• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:

    公开号:SU906352A3
    申请号:SU792788605
    申请日:1979-07-20
    公开日:1982-02-15
    发明作者:Хеглер Вильгельм；Хеглер Ральф-Петер
    申请人:Hegler Wilhelm；Hegler Ralf Peter；
    IPC主号:
    专利说明:

    (5) DEVICE FOR MANUFACTURING PIPES WITH TRANSVERSE PROFILING FROM THERMOPLASTIC POLYMER
    The invention relates to devices for the manufacture of pipes with transverse corrugations and can be used in chemical and polymer engineering.
    A device for the manufacture of pipes of thermoplastic polymer with transverse profiling is known, comprising a nozzle for discharging a pipe in a plastic state, placed on two semi-section chains, mounted with the possibility of forming a lock on the straight forming section. chickpea shape, having an internal working surface with transverse profiling, the drive movement of the chains 1.
    The drawback of the device is its cumbersome, since a large number of half sections are required, 20 of which only a small number are found in the work at the forming section, and the rest are between the beginning and the end of the forming section and
    to mold
    plots turning the plot and away from it.
    The closest in technical essence and the achieved result to the "proposed is a device for the manufacture of pipes with transverse profiling of a thermoplastic polymer, containing a nozzle for releasing the pipe in a plastic state, placed in two opposite rows of semi-section, mounted to a straight forming section of a closed form, having an internal working surface with transverse profiling, a drive for moving the form in a direction parallel to the longitudinal axis the pipes in the zone of the forming section, the mechanism for gripping the half-sections at the exit end of the forming section and moving them transversely to the longitudinal axis of the pipe, the mechanism for returning the half-sections and driving the movement of the half-sections along the guides parallel to the longitudinal axis of the pipe from the output end of the forming section to its input end 2 In this device one after another, the half-sections are not interconnected, and each half-section of the row at the exit end of the forming section is connected to the force cylinder, which is led out of the molding section, Move to return area and disconnect again. In the half-section return section, located in a dense row, they move in the opposite direction in an intermittent motion using the second power cylinder, and at a certain moment the forward half section itself is connected to another power cylinder in the return section, the molding II section is moved and installed on the located ahead of the half section. The known device allows saving on half-sections, since
    falls in the area of rotation, which is needed for half sections connected by a chain.
    However, for the manufacture of plastic pipes with increasing diameter, for example, starting from an outer diameter of 250 mm, the manufacture of molds and, accordingly, of individual half sections, the accuracy of the production of which imposes high demands, is associated with extremely high costs.
    In addition, with an increase in the number of sections, the time taken to return the half sections to the forming section increases, which reduces the productivity of the device.
    The purpose of the invention is to improve the performance of the device.
    This goal is achieved by the fact that in a device for the manufacture of pipes with transverse profiling of a thermoplastic polymer, comprising a nozzle for discharging the pipe in a plastic state, placed in two opposite rows of semi-section, mounted with the possibility of forming a closed form on the straight forming section having internal working surface with transverse profiling, drive of form movement in the direction parallel to the longitudinal axis of the pipe B) zone of the forming section, half-section gripping mechanism minutes at the exit end of the forming section and moving 9
    sections are made in the form of, as far as one pneumatic cylinder.
    The carriage is equipped with at least one pneumatic cylinder for turning the parallel arms.
    The carriage is provided with at least two pneumatic cylinders. Respectively for moving the carriage and turning the levers.
    The connecting element is designed as a finger-mounted pneumatic cylinder mounted on a piston rod, in contact with the surface of the cone-shaped sockets, which are made on the outer side of each half-section.
    Cone jacks are made in mounting prisms installed on each half section.
    The connecting element is provided with a support in contact with the bottom surface of the mounting prism.
    The connecting element is provided with a pivoting lever connected at one end to the roller, and the other to the pneumatic cylinder rod.
    The device is provided with a wedge-shaped plate for diluting the half-sections, mounted on the output end of the forming section and interacting with the bevels made in the half-sections.
    The wedge-shaped plate is equipped with rollers.
    The device is equipped with support rollers for moving the half sections. 24 them transversely to the longitudinal axis of the pipe, i the mechanism for returning the half-sections and driving the movement of the half-sections along guides parallel to the longitudinal axis of the pipe from the output end of the forming section to its inlet end, the mechanism for gripping and moving and the mechanism for returning the half-sections are made in the form of a single block representing the carriage and a lever system, each of the pivotal levers of which is pivotally connected at one end, to the carriage, and to the other through a connecting element, connected to half-sections, the carriage being connected to the actuator m moving the half sections along guides parallel to the longitudinal axis of the pipe from the exit end of the forming section to its inlet end. Lever system contains parallel levers. The carriage movement drive and each half section are provided with a roller placed on its front end surface, and the adjacent half section is provided with a recess for accommodating the roller.
    The device is equipped with at least one carriage shock absorber mounted on the inlet end of the forming section.
    On fnig.1 shows a schematic depiction of the device, top view; figure 2 is a detailed image of the device, top view; in FIG. 3, section A-A of FIG. 2; figure 4 - section bb of figure 2; figure 5 section bb of figure 2; figure 6 - section GG of figure 2; figure 7 - section dd figure 2.
    The device comprises a support plate 1, on which is formed of sections (in this case, seven), each of which contains, in turn, two half sections 2 and 3, form C, having a working inner surface with transverse profiling. When the hull sections 2 and 3 are adjacent to each other in pairs, forming a section and when adjacent sections are adjacent to each other to form a shape, they move along the support plate 1 in a straight line in the direction of forming the pipe. In order to bring these seven sections or fourteen half-sections 2 and 3 into motion, the pipe forming direction is parallel to its longitudinal axis directly behind the front end 5 of the base plate 1, on which the format is located, and under the base plate 1, a U-shaped movement actuator is installed view of the drive wheel 6 and the drive shaft 7. on which the gear wheel-shaft 8 is fixed, protruding through a recess 9 in the base plate 1 and engaging teeth 10 (fig. 3) made on the lower side of the half-section 2nd and 3rd.
    The linear movement of the half sections 2 and 3 in the direction of forming the pipe and their mutual compression perpendicular to this direction of movement is carried out on the section of the base plate 1 forming the forming section 11 using guide rollers 12. Due to the fact that the half sections 2 and 3f are in the zone of the input end 5 of the molding section 11, set in motion, all
    the remaining half sections 2 and 3, set ahead in the direction of molding, are pushed to the output end 13 of the forming section 11.
    Form C, closed around the perimeter due to half-sections 2 and 3 adjoining each other, but open at the ends, adopts a pipe leaving the nozzle k of the extruder (not shown), which is still in a plastic state, on which, when it moves in the form C lateral risks are applied
    At the exit end 13 of the forming section 11 there is a wedge-shaped plate 15 (FIG. 2) which interacts with the beveled surfaces 16, made on each front in the direction of movement of the inner edge of the half-sections 2 and 3 so that upon impact of the wedge-shaped plate 15 of the half-section 2 and 3 are diverted transversely to the tube forming direction.
    On the outer side of the half sections 2 and 3 opposite to the contact surfaces, fastening prisms 17 are installed, to which one can be connected using a single return mechanism (not shown in figure 1). In Figure 1, each mounting prism 18 is labeled with a point 18 and shows the trajectories of its movement.
    When, when the half-sections 2 and 3 diverge at the output end 13 of the forming section 11, the corresponding point 18 is in position 19, both of the corresponding half-sections 2 and 3 are connected to the gripping, return mechanism (not shown in figure 1) and removed from the forming section 11 in the direction along the arcuate trajectory 20. The bending of this part of the trajectory in the direction of movement of the form k is necessary because at the beginning of the withdrawal, the rear face sides 21 of the half sections 2 and 3 of the hell abut on the front face sides 22 of the next half-sections 2 and 3, i.e. move with them in the direction of molding.
    Then both half sections 2 and 3 are retracted back along return section 23, which is formed on base plate 1 on the side of the forming section 11.
    权利要求:
    Claims (3)
    [1]
    In the return section 23, the half sections 2 and 3 are transported to the input end 5 of the forming section 11 along a straight line along the straight path section 2k indicated by the dash-dotted line. At the end of this straight 7 linear trajectory section. 2A, an arcuate section 25 adjoins it, the trajectory along which the corresponding point 18 of the half section 2 and, respectively, 3 bends. The bend of this section 25 of trajectory 2 passes in the direction opposite to the direction of movement of the tube shape. An arcuate section of trajectory 25 is adjacent, respectively, to a straight line section of trajectory 26, which passes at an acute angle relative to the direction of movement of form k in a forming section 11. On an arcuate section 25 of trajectory and a straight line section of trajectory 26 of semi-section 2 and 3, they are joined together to form the direction of movement of the first section of the mold 4. This connection ends at the end point 27 of the path section 26. In the short section of the trajectory 28, in which the corresponding point 18 already finds from the straight-line trajectory of movement 29. (in FIG. 1 is shown by dashed lines) in the direction of movement of form k, the corresponding return mechanism is still connected to its mounting prism 17 until the guide rollers 12 do not touch the outer sides of the half sections 2 and 3 "At the end point 30 of this section of the path 28, the return mechanism is disconnected, is moved to the side along the arc-shaped trajectory 31 from the path of movement 29 and then along the straight line in the section tr Line 32 moves to position 19. The movement of half-sections 2 and 3 in the corresponding return section 23 on the straight linear section of trajectory 2 is first accelerated, and then shortly before reaching the arcuate section 25 of the trajectory, it slows down until it reaches 26 on the linear section of the trajectory. the normal speed of movement of the half sections 2 and 3 on the forming section 11. When the corresponding half section 2, 3 is at the entrance end 5 of the forming section 11 (see Fig. 1), its front face 22 comes into contact with the matching end plate One moving in front of it in the direction of the half-section movement. Until reaching the end point 27 of the section of the trajectory 26, both the corresponding half sections 2 and 3 are only pushed to the central axis 33 of the forming section 1 2 Before the corresponding point 18 reaches the end point 30 of the section of the path 28, in which the return mechanism, the drive gear 8 is engaged with the teeth 10 on the underside of the half section 2.3, with the result that the gear 2 takes on the function of the pull of both half sections 2 and all sections in front of them and movement. After the capture and return mechanism is disconnected, they accelerate along the corresponding section of the path 32 to position 19 into which they must get before the next section, moved apart by the wedge-shaped plate 15, reaches position 19. At the return section 23 there is a maximum of two half sections 2, 3 of one section (see fig. T) so that only one section is needed in order to form a mold that is more in shape k. The direction and pressing of half sections 2 and 3 in the forming section 11 may not be carried out using directions rollers, but with (.. with the help of the guide rails 3 (see Figs. 2-7). The wedge-shaped plate 15 has 35g rollers on the wedge-shaped planes which, in order to reduce friction between the half sections 2 and 3 and the wedge-shaped plate 15, abut sloping surfaces 16 at the dilution of half-sections 2 and 3. The gripping and moving mechanisms and return mechanisms are located on both sides of the forming section 11 and are each made in the form of a single block that contains a carriage 36 moving along the travel guide 37. installed along the return section 23 - Khodova napra L guide 37 (sm.fig.Z) has a profile in the shape of a dovetail, which is slidably mounted a carriage 36 with a corresponding groove. For the carriage 36, a roller guide can also be performed, due to which friction is reduced during carriage 36 travel. On the carriage 36 there is a lever system formed by two parallel pivoting levers 38 and 39 pivotally connected with the possibility of rotation with the carriage 36. With the other ends of the levers A clamp 40 is pivotally connected, which, due to the parallel arrangement of the levers 38 and 39, during linear movements of the carriage 36 and when the levers 38 and 39 rotate, always moves parallel to itself. On the side of the corresponding clip 40 facing the corresponding half section 2 and 3 there is a support kl, which engages from the bottom with the corresponding mounting prism 17. Two fingers 42 are mounted on the clip (figure 5). the ifi pneumatic cycling rods 43 connected to the stem 43, each of which have conical sockets kS on the mounting prisms 17. The clamp 40 with the support 1 and the movable fingers 42 form a connecting element for connecting the rotary levers 38 and 39 with half sections 2 and 3. The half section 2 joins or 3 with the return mechanism is performed in such a clamping position, in which the fingers A2 are located exactly above the conical sockets S- When lowering the fingers of the k2 as a result of the release of the piston 3 from the pneumatic cylinder CZ, the fingers 2 interact with the surfaces of the conical nezd gesture and clamped to a corresponding bracket 17 between the prism 41 and the respective support finger
    [2]
    2. To rotate the levers 38 and 39, two paired pneumatic cylinders 46 and 47 (FIG. 2) are provided, with the stem 48 of one pneumatic cylinder 46 being pivotally connected to the BG carriage with its free end, and the piston rod 43 of the second pneumatic cylinder 47 is pivotally connected to the pivoting lever, namely , with the thrust bearing 50, extending from the parallel lever 39 in the direction of forming the pipe. The movement of the ST carriage in the longitudinal direction of the device, i.e. parallel to the path of movement 29 of the mold 4 on the forming section 11, is carried out by means of a pneumatic cylinder 5 with a rod 52 of which the carriage 36 is dinosene through the bracket 53. Two pneumatic cylinders 5 and 55 are adjacent to the pneumatic cylinder 51 and are used to accelerate, slow and quench the movements . The piston rod 5b of the pneumatic cylinder 54 is mounted on the pneumatic cylinder 51. The rod 57 with the axle 58 of the pneumatic cylinder 55 is installed on the end section of the running guide 37 in part 59. protruding relative to the support plate 1. At each clamp 40 it can be rotated on a horizontal one located transversely to the movement of the axis 60, a pneumatic cylinder 61 is mounted, in which the piston rod 62 is pivotally connected to the pivoting lever 63 (FIG. 7) | mounted with the possibility of rotation on the axis 64 on the clip 40 in its lower part. At the DRU the end of the pivot arm 63 is mounted on a bearing running horn face b5, which can be lowered onto the support plate 1. The pneumatic cylinder 61, together with the pivoting lever 63 and the running roller b5, are the lifting mechanism of the clamp 40, by means of which the clamp 40 s / d- the connected half section 2 or 3 rises so much that the half section 2 or 3 moves away from the base plate I, whereby the half section 2 or 3 is retracted without friction, which saves energy and eliminates wear. If clamp 40 is not lifted by means of pneumatic cylinder 61 and is not attached to half section 2 or 3, it is supported through support roller 66 on support plate 1. Through this ..-, support roller 66 clamp 40 rests on support plate 1 when it moves along idle sections 31 and 32 to position 19 to significantly reduce friction between two adjacent half sections 2 and 3 when moving apart. By means of a wedge-shaped nnactHHbi 15 on each half section 2 and 3 on the front side, for example on the front end side 22, one The acting roller B7, which somewhat protrudes from this end-side 22 of the corresponding half-section 2 and 3. On the reverse end-side 21, a corresponding recess 68 is made so that on the forming section 11 each part of the roller 67 enters a corresponding recess 68, and therefore facing each other to each other, the end faces 21 and 22 fit snugly together. When expanding the half-sections 2 and 3 through the wedge-shaped plate 15, the corresponding rollers 67 roll onto the reverse face side 21 of the front half-section 2 or 3, as a result of which the adjacent half-sections diverge slightly in the direction of movement and movement of the pipe, therefore moving the half-sections 2.3 transversely the direction of movement of the pipe occurs almost without friction. On one guide plate 3, a bracket b9 is installed for the switching contact, which passes over the mold c in the direction of movement in the area of the output end 13 of the forming section 11. The switching contact bracket 69 serves as a stand for two limit switches 70 and 71, whose position is switching contact bracket 69 is adjusted in the direction of pipe movement. Limit switches 70 and 71 are standard. Each limit switch 70 71 is turned on by the upper edge 72 in the direction of movement of the pipe, which passes through the bottom of the half section 3. In the area of the drive shaft 7 (Figures 2-6, i.e., in the area of the input end 5 of the forming section 11, the half sections 2 and 3 to the base plate 1, therefore, when the drive pinion 8 is meshed with the teeth of 10 half sections 2 and 3, the latter cannot rise from the base plate 1. The pressure of the manufactured pipe to the inner surface is facilitated by the fact that from form C through channels (not shown ) air is aspirated in the half sections 2 and 3. The OS is made through channels 73 in the base plate 1, communicating through holes (not shown) in the surface of the base plate 1 with the channels in the half sections 2 and 3. For cooling the half sections 2 and 3 in the base plate 1, the channels 7 are also provided for inlet 7 and outlet 75 water. By pressing the half-sections 2 and 3 to the base plate 1 when engaging the drive pinion 8 with the teeth 10, the loss of vacuum and coolant is eliminated. The compression of the half sections 2 and 3 "of the base plate is carried out by means of a counter-support (Fig. 5) which contains a balance axis 7b, mounted on brackets 77 which, in turn, are strengthened with screws 78 on the guide plan C. H. the balancing axis 76 is mounted a bracket 79 fixed to the balancing axis 7b by means of a longitudinal groove for the bearing 80. The axle 81 adjusts the 2 pressing force with which the half-sections 2 and 3 are pressed against the support plate I. In the front end of the bracket 79 in the direction of movement 79 mouth Two clamping rollers 82, each of which is pressed against the half-section 2 or 3, are fixed motionlessly but rotatably. At the rear end in the direction of movement, i.e. on the forming section II facing the inlet end 5, the bracket 79 is rotatably mounted with two more pressure rollers 83, which, in turn, are mounted on bearings with the possibility of turning on the neck of the shaft 8 with the axis passing in the direction of motion. This ensures, on the one hand, the uniformity of the balancing support and, on the other hand, the safety of switching on, and when turning the pressure rollers 83 rotatably installed on the axis of the shaft 8 and if the half-section 2 or 3 is not in time, the limit switch 85 turns on turns off the entire device. At the end of the path of movement of the carriage 36 in the zone of the input end 5 of the support plate 1 there is a damping; A braking carriage 36, For controlling the movement processes, a contact pin 87, a limit switch 88, a guide 89, a limit switch 90 are provided. The device operates as follows. When the half sections 2 and 3 are partially moved apart by the wedge-shaped plate 15 and, therefore, are closer to the output end 13 of the forming section 11, the front part of the half-section 3 actuates the corresponding switching contact of the limit switch 71, as a result of which the pneumatic cylinder kk is at the ready In position 19 of the connecting element, compressed air is supplied, therefore the piston rod k3 with the fingers 2 is pressed down into the conical slots kS of the respective fastening prisms 17- Since the clamp support lO between the support k and the bottom side corresponds In the rest state, there is a gap S equal to 1-2 mm. As a result of pressing the fingers into the cone-shaped sockets 5, the entire clamp 40 is lifted up to the segment S until the support 4l lies on the lower side of each fastening prism 17. As a result This support roller 66 is lifted from the upper side of the support plate 1. This completes the connection of the clamp 0 to the corresponding half sections 2 and 3- After that, using the following control system, compressed air is supplied to the pneumatic cylinders kf and 55 so that their piston rods E and 57 enter the pneumatic cylinders. As a consequence, the corresponding half sections 2 and 3 are completely withdrawn from the forming section 11 along the arcuate section of the trajectory 20. At the end of section 20, therefore, simultaneously at the beginning of the rectilinear section of the trajectory 24 of the return path 23, the compressed air is supplied in such a way that the piston rod 62 moves downward, as a result of which, when the corresponding clamp 0 is lifted, it rests against the support plate 1 through the roller 65. At the same time, compressed air is fed into the pneumatic cylinders 51 and 55 so that piston rods 52 and 57 come out of them, as a result of which carriage 36 with a connected 2 or 3 half section glows acceleration to a speed of 5 m / s and moves backwards along the straight section of the trajectory 2 towards the inlet end 5 of the base plate 1. Shortly before reaching the final position, the contact pin 87 actuates the limit switch 88. The contact pin 8 is mounted on the lower side of the bracket 53 on the front end of the carriage 56. The limit switch 86 is mounted along the base plate 1 on the corresponding locking apravl guide 89 with the possibility of longitudinal adjustment and attachment. Limit switch 88 (Adjusted so that point 18 on the 1-prism prism 17 is at the end of the rectilinear long section of trajectory 2 and at the same time at the beginning of the arcuate section of trajectory 25. 8 as a result of the operation of the limit switch 88 into the pneumatic cylinders and kl compressed air is fed in such a way that the piston the rods 8 and 49 extend from them. Thus, the clamp 40 with the connected half sections 2 and 3 moves back to the forming section 11 along the arcuate section of the trajectory 25. At the same time, compressed air is supplied to the pneumatic cylinder 61 oo in such a way that its piston rods enter it. As a result, the half section 2 or 3, lifted from the base plate 1 while moving along the path 25, is again lowered onto the support plate 1. At the same time, the valve (not shown) of the pneumatic cylinder 54 opens and therefore its piston rod 56 is braked by means of a moving mass pulling force consisting of a carriage 36 with pivoting levers 38 and 39 of clamp 40 and a half section 2 or 3. Motion damping and braking is performed using an appropriate shock absorber 86. When all piston pieces The 57 56 and 52 cranes of the 55 55 and 51 pneumatic cylinders are in the extended position, and the shock absorber 86 is in the retracted position, the contact pin 87 actuates the limit switch 90, indicating the extreme end position of the carriage 36 and adjustable in length on the locking guide 89. In as a result of the operation of this limit switch, compressed air is supplied to the cylinders 51 and 55 so that the piston rods 52 and 57 are pushed in. Thereby, the half section 2 or 3, which is still connected to the corresponding clip 40, is set in motion along the path section 26, namely, until the corresponding half section 2 and 3 is laterally pressed tightly with its front end side 22 to the reverse end face facing it. side 21 of the next half-section ahead 2 or
    [3]
    3. As the form 4 is closed, it moves in the direction of movement with the help of a driving gear-roller 8 and there are considerable frictional forces between form 4 and the base plate 1, which further increase as a result of the above-mentioned vacuum supply, the pneumatic cylinders 51 and 55 which move them pulling the pneumatic cylinders 46 and 47 can not move the entire shape 4 in the direction of movement, but only press the half and 2 AND 3 led to the input end of the 5th half and move so far in the direction of the movement, while the half in the direction of the movement will activate the limit switch 70, which occurs at the beginning of both divergence half-sections 2 and 3 on the wedge plate 15. As a result of actuation of the limit switch in the k cylinders and CB supplied get used air so that their piston rods and k3 kS vdvigayuts. As a result, the clamp 0 is disconnected from the half section 2 or 3, and at the same time it is retracted from the movement path 29 of the mounting prisms 17 to the corresponding movement path 29 along the arcuate portion of the path 31- Since compressed air is already fed into the pneumatic cylinder 51 and 55, moving the piston rods 52 and 57. The carriage Zb gets accelerated in the straight line section of the trajectory 32 and moves to position 19-Braking this movement of overtaking, i.e., stopping the carriage 36 and the clamp 40, is carried out by means of an air cushion in mon The 55-carriage of the carriage 36 in position 19 is in 8 resting states until the next pair of half sections 2 and 3 is moved to this position and the operation of the limit switch 7 causes the next cycle. The pipe 91 exiting the nozzle H is crimped with sections 2 and 3 and the corrugations are formed on it. The advantage of the proposed device is that at each eoaspata site there is only one half section, which in continuous motion (first with acceleration, then with deceleration) is retracted back to the input end of the forming section. Due to the small number of required half-sections, the device can be quickly and easily converted to a different pipe diameter, which is especially important in the manufacture of pipes with a very large diameter, since such pipes are made in relatively small quantities and therefore it is not advisable to use a complete installation for each diameter. pipes. In addition, the device provides savings in the manufacture of pipes of special shape, as well as in the manufacture of adapters, couplings, etc., since even for these special shapes it is necessary to have only a very small amount of expensive molding half sections. Claim 1. Device for making coarse with transverse profiling of a thermoplastic polymer, comprising a nozzle for discharging a pipe in a ductile state, placed in two opposite rows of semi-section, mounted with the possibility of forming a closed shape on the straight forming section with an internal working surface with transverse profiling, a drive for moving the form in a direction parallel to the longitudinal axis of the pipe in the zone of the forming section, a mechanism for capturing the half-lectures at the exit to The nce of the forming section and their movement transversely to the longitudinal axis of the pipe, the mechanism for returning the half sections and the drive for moving the half sections along the guides parallel to the longitudinal axis of the pipe from the output end of the forming section to its input end, characterized in that, to improve the performance of the device, the mechanism for gripping and moving and the mechanism for returning the half sections is made in the form of a single unit, which is a carriage and a lever system, each of whose pivoting levers is pivotally connected to the carriages by one end oh, and other posoedstvom connecting member is bonded to half sections E, the carriage is coupled with a drive for moving the half-sections of the guide parallel to the longitudinal axis of the tube from the outlet end of the forming section to the inlet end thereof.
    2. The device according to claim 1, of which the lever system contains parallel levers.
    3. A device according to claims 1 and 2, characterized in that the drive for moving the carriage and the half sections is made in the form of at least one pneumatic cylinder. k. Device on PP. 1-3, characterized in that the carriage is provided with at least one pneumatic cylinder for turning the parallel arms. 5. The device as claimed in claim 3, which includes the fact that the carriage is equipped with at least two pneumatic cylinders, respectively, for moving the carriage and turning the levers. 6. The device according to PP.1-5-, characterized in that the connecting element is made in the form of a finger-mounted pneumatic cylinder fixed to the piston rod, which contacts the surface of the cone-shaped sockets, which are made on the outer side of each half section,
    7. The device according to claim 6, about t l and so that the cone jacks are made in mounting prisms installed on each half-section.
    8. The device according to claim 7, characterized in that the connecting element is provided with a support in contact with the bottom surface of the mounting prism.
    9. The device according to claims 1-8, about t l and. This is because the connecting element is provided with a pivoting lever connected at one end to the roller, and the other to the rod n of the euro cylinder.
    10. The device according to claims 1-9, of which it is provided with a wedge-shaped plate for diluting the half-sections, installed on the output of the forming section and interacting with the bevels made in the half-sections.
    11. The device of claim 10, about t l and that the wedge-shaped plate is provided with rollers.
    12. The device according to claims 1-11, characterized in that it is provided with support rollers for moving the half sections,
    13. The device according to claims 1-12.0, which is each such that each half-section is provided with a roller placed on its front end surface, and the adjacent half-section is made with a recess to accommodate the roller.
    I. The device according to paragraphs. so that it is provided with at least one carriage shock absorber installed at the entrance to the end of the forming section.
    Sources of information taken into account in the examination
    T. Zavgorodniy V.K. Mechanization and automation of plastics processing. N., Mechanical Engineering, 1970. p.122.
    2. British patent If 1231682, cl. B5A, pub. 1969 (prototype).
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    DD144886A5|1980-11-12|
    YU174679A|1982-10-31|
    AT194T|1981-09-15|
    DE2960780D1|1981-11-26|
    TR20899A|1982-12-17|
    DK307379A|1980-01-23|
    EP0007556B1|1981-09-09|
    US4212618A|1980-07-15|
    DE2832350A1|1980-01-31|
    AU4845679A|1980-01-31|
    BR7904666A|1980-04-15|
    IN150236B|1982-08-21|
    EP0007556A1|1980-02-06|
    JPS5515900A|1980-02-04|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE19782832350|DE2832350A1|1978-07-22|1978-07-22|DEVICE FOR PRODUCING PIPES FROM THERMOPLASTIC PLASTIC WITH CROSS-PROFILING|
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