• 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:
    A blank is formed out of plasticizable, heated plastic by means of an extruding-type material supply head. A somewhat lenticular profiling of the blank is obtained by appropriately controlling a closing member of the material supply head, which is built as a valve cone. When the closing member is closed off against the lower edge of a tube part of the material supply head, the blank is pinched off from the material supply. A flow of air emerging from the ring nozzle serves to ensure complete severance of the blank from the material supply head. After that has been accomplished, the blank enters an open shaping cavity of a die by free fall. By further movement of the die, which is located on a rotary table, the die removes itself from the permanently located material supply head, so that the blank lying in the cavity can be pressed into a molded article by a stamp. Cooling off too much in certain locations on the blank is prevented by the free fall of the blank into the shaping cavity.
    公开号:SU1083901A3
    申请号:SU802945905
    申请日:1980-07-10
    公开日:1984-03-30
    发明作者:Мэгерле Карл
    申请人:Megerle Karl；
    IPC主号:
    专利说明:

    2. Installation according to claim 1, wherein the locking member is a valve stem.
    3 .. Installation pop, 1, characterized in that the punches are mounted on the turntable with the possibility of rotation in the vertical plane 90, and their free ends are directed radially to the periphery of the turntable.
    4. Installation pop. 1, characterized in that it is provided with a gas ring nozzle directed obliquely downward to the output part of the device for feeding the material.
    one
    The invention relates to the processing of plastics into articles and can be used in the manufacture of hollow articles, in particular packaging tubes.
    A known device for the manufacture of hollow articles, comprising a rotary table, equipped with a drive for its stepping movement, located on its periphery of the matrix, installed at equal distance one relative to another, punches that match the dies, and punches and dies are installed with a possibility of feeding into a coaxial position relative to each other and rotation from a coaxial position, and a device for feeding material til.
    The plasticized material is fed into the cavity of the matrix through the central opening by means of a device for feeding material from the side opposite to the punch. The annular material, which has adhered to the material supply device, during the reverse course of the latter, is removed by the matrix and adheres to its surface over a relatively large space. As a result of this contact, the plastic is cooled and may assume a local limited crystalline state. With further cooling by pressing in the mold, the remaining heat of fusion is not sufficient to plasticize the crystallized material again.
    Closest to the present invention is a plant for the manufacture of hollow articles made of polymeric materials, comprising a rotary table with open up matrices placed on its periphery, corresponding to matrices movable vertical punches, and a device for feeding material C2J. However, cooling a portion of the plasticized material supplied to the cavity of the matrix with dispensing and feeding device results in local crystallization of the plastic.
    and the deterioration of the quality of the product.
    The purpose of the invention is to improve the quality of products by eliminating
    heat loss when loading matrices.
    This goal is achieved by the fact that in an installation that contains a rotary table with peripherals open upwardly placed on matrices / matrices corresponding to the matrix, punches moving in a vertical direction and a device for feeding material, a device for feeding ma. material located above the swivel
    d the TABLE coaxially with the dies, and the punches are mounted on the turntable with the possibility of rotation in a vertical plane, the output part of the material supplying device being designed as an annular nozzle with
     locking element.
    And also the fact that the locking element. is a valve stem. The punches are mounted on a swivel Clone with the possibility of rotation in a vertical plane at 90 ° and their free ends are directed radially to the periphery of the turntable.
    The installation is equipped with a gas annular nozzle directed obliquely downward toward the output part of the device for feeding the material.
    Figure 1 shows the installation, General view; in fig. 2 - section aa
    5 in FIG. in FIG. 3, the dies and the device for feeding the material at the time of separating the material blank, section. The installation contains a rotary
    0 base, made in the form of re-. rotary table 1, where matrices 2 and punches 3 are at the same distance from each other, each matrix 2 corresponds to plunger 3. Matrices 2 are open at the top, and punches 3 are mounted on the turntable with the possibility of rotation in a vertical plane from horizontal position to an angle of 90 ° in the vertical, coaxial with the corresponding matrix 2. In order to close and reopen the cooTBTT matrix 2 in the coaxial position, the punches 3 are movable in the axial direction.
    The numbers 1-yiU in FIG. 1, by way of example, represent the eight stepping positions of the turntable 1, which is brought to the corresponding stepping position in the direction of the arrow using a device (not shown).
    The rotary table 1 is mounted rotatably around axis 4, a matrix 2 is fixed in the table, which has a shaping cavity 5, which corresponds to the external borders of the product — the pipe head. Below the matrix 2 and, coaxially to it, there is another part 6 of the matrix in which an additional forming cavity 7 is located to obtain a thread on the head of the tube. In the other part 6 of the die, the punch (punch punch) 8 is axially biased, spring-loaded in the axial direction by the spring 9 in the direction of cavity 5 of the die 2. The punch 8, when inserted into the die 2, punch 3 is pressed back, overcoming the force of the spring 9 and serves to holes in the tube when pressing the head of the tube.
    The punch 3 is pivotally mounted about the axis 10. To rotate, a rack 11 is used, which enters the teeth 12 of the pivot axis 10 of the bracket 13 with its teeth. The rack 10 is connected to a pusher 14 mounted for axial movement in two bearing supports of the brackets 15 and 16 permanently mounted on the turntable 1. Between the brackets 15 and 16, the pusher 14 is rigidly connected to the driver 17, having a guide roller 18, passing in a guide groove 19, made in the guide disk 20, which does not turn in A table with a table and connected to a stationary axis. The guide groove 19 in the guide disk 20 has such a direction that, in places corresponding to the W-D1 positions (Fig. 1), it becomes smaller than the stationary axis 4. Presented in FIG. 2, the larger radius of the guide groove 1 corresponds to the positions of the UP, U1I, 1, and II (Fig. 1).
    Due to this, when the guide groove 19 transitions to a smaller radius, the leash 17, as well as the pusher 14 and the gear rack 11 with the guide roller 18, move in the direction of the axis 4. Due to the engagement of the rack 11 with the teeth 1
    the rotary bracket, together with the punch 3, rotates into a vertical position so that the punch 3 is in a position coaxial with the matrix 2. A material supply device 21 is placed above the table 1, which corresponds to the position P (Fig. 1).
    Above the table 1 (Fig. 1, position P) a crank lever 22 is installed, which loads the roller 23 mounted in the rod 24, axially displaced in the swing arm J.3, and together with the holder 25, with the punch 3 fixed, moves in the direction of the die 2 For locking the shaping cavity 5, which is located in the matrix 2. The punch 3, together with the supporting elements 25 and 24, is fixed, for example, wedged by a device (not shown), in the provided position.
    The pivot axis 10 is in a bracket 26 for bearing supports connected to the rotary table 1.
    The material supply device 21 has a tubular part 27 in which there is a locking element 28 made in the form of a valve stem and mounted with the possibility of axial displacement.
    The tubular part 27 is surrounded by an annular nozzle 29 for receiving a gas stream.
    The blank 30 (Fig. 2) has a profile (cross section) in the form of a lens, which is achieved by controlling the locking element 28 at a constant pressure of the material flow in the direction 31. When the locking element 28 locks the outgoing end of the tubular part 27, the workpiece 30 separates from The flow of material, in particular, is removed. In order to completely separate the workpiece 30 from the material supply device 21, the gas flow 32 by the nozzle 29 is directed to the separation point between the material supply device 21 and the workpiece 30 Gas flow 32 is mainly an air flow acting like a blow, and separates the DZ workpiece from the device 21 material feed at exactly the right moment. After that, the workpiece 30 falls into the forming cavity 5, and it surrounds the punch for punching (receiving) the holes B. The profile (cross section) of the workpiece 30 in the form of a lens is expedient to flow, so that the contact area of the workpiece 30 with the die 2 becomes relatively small, eliminates the cooling of the workpiece over a large surface. In order to ensure quick cooling of the head of the tube after the washing of the blank
    (FIG. 1) The die 2 in the die 3 (FIG. 2) is cooled with a coolant using a device (not shown).
    Other molded bodies can be made from plastic using the same device and method.
    Due to the design of the die 2 and the punch 8 installed therein for the formation of holes, it is ensured that the workpiece 30 falls into the forming cavity 5 in the intended position and in this position practically cannot slip. The path of fall between the material feeding device 21 and the shaping cavity 5 of the matrix 2 must be kept as small as possible. If the flawless separation of the workpiece from the material handling device is guaranteed, it is possible to refuse the gas nozzle 29.
    The installation is also equipped with a device 33 for loading a pre-fabricated tubular body of the tube, a device 34 for pulling the punch 3 and a device 35 for screwing the cap of the tube.
    The installation works as follows.
    Position 1. With the aid of the loading device 33, the pre-fabricated tubular body 36 of the tube advances onto the punch 3, which is in a horizontal position, the loading is carried out in a horizontal direction.
    Positions IJ. The material supply device 21 plasticized heated plastic is fed into the open matrix 2 overlapped (from the top) by device 21. On the next transition from the li position to the position W, the punch 3 rotates into a vertical position coaxial with the matrix.
    Position 1P. Using the corresponding crank arm 22, the punch 3 in the position / coaxial of the die.
    is reduced to a matrix so that the plasticized plastic is molded into the head of the tube, and at the same time this head of the tube fuses into the tubular body of the tube. The punch of the device (not shown) is fixed in this position of the molding and the crank lever 22 is retracted to its original position.
    Positions 1U. The punch 3 remains in the forming position so that the molded tube head can be cooled and cured. The die 2 and the die 3 are cooled by supplying refrigerant to the connecting nodes (not shown).
    Position U. Punch 3 remains long enough in the forming position to cool the head of the tube.
    Positions U1. The punch 3 with the device 4 for retraction of the punch moves back in the axial direction, and the matrix 2 is again opened. Part b of the matrix 2, having a thread, is unscrewed below the turntable 1 with a device (not shown) 5.
    Position U1 in the position of the control unit, the punch 3 with the tube (body 36 and the molded tube head 37) again turns back to a horizontal position.
    Position UE. With a single ejector position of the device 35, the cap 38 of the tube is screwed onto the head 37 of the tube. POS positions. The tuba, consisting of the tubular body of the tube 36, the head 37 of the tube and the cap 38 of the tube, is ready and ejected in the direction of the arrow 39 or removed from the punch 3 by a device (not shown). After the next step movement, the punch 3 at position 1 is loaded again with the new tubular body of the tube 40 and the cycle is repeated.
    The number of technological operations
    5 process can be any.
    权利要求:
    Claims (4)
    [1]
    1. INSTALLATION FOR THE PRODUCTION OF HOLLOW ARTICLES FROM POLYMERIC MATERIALS, comprising a rotary table with matrices arranged upstream on its periphery, vertical punches movable in the vertical direction, and a material feeding device, characterized in that, in order to improve the quality of products by eliminating losses heat when loading the matrices, a device for feeding material is placed above the turntable coaxially with the matrices, and punches are mounted on the turntable with the possibility of rotation in a vertical plane speed, and the output 'part of the device for supplying material is made in the form of an annular nozzle with a locking element.
    ph. 1 g
    [2]
    2. The installation according to claim 1, with the fact that the locking element is a valve stem.
    [3]
    3 ,. Installation according to claim 1, characterized in that ‘punches are mounted on a rotary table with the possibility of rotation in a vertical plane by 90 °, and their free ends are directed radially to the periphery of the rotary table.
    [4]
    4. Installation according to claim 1, characterized in that it is equipped with a gas annular nozzle directed obliquely downwardly to the outlet of the material supply device.
    类似技术:
    公开号 | 公开日 | 专利标题
    SU1083901A3|1984-03-30|Apparatus for making hollow products from polymeric materials
    US4801260A|1989-01-31|Rotary blow molding machine
    US4735761A|1988-04-05|Process and apparatus for producing a shaped body of plastics material
    EP0162456B1|1991-03-06|Compression molding apparatus
    US4151247A|1979-04-24|Injection blow molding apparatus
    SU1757449A3|1992-08-23|Device for molding articles from thermoplastics
    US4861542A|1989-08-29|Rotary blow molding method
    KR970703233A|1997-07-03|APPARATUS FOR PRESSURE-MOLDING ITEMS MADE OF PLASTICS, SUCH AS CAPS FOR CLOSING CONTAINERS AND THE LIKE
    KR100936448B1|2010-01-13|Apparatus for compression molding articles made of plastics
    JPH10225978A|1998-08-25|Rotary blow molder
    JP3674385B2|2005-07-20|Synthetic resin feeder
    NL9002610A|1991-07-16|METHOD FOR FORMING THE EDGE OF A CONTAINER OF THERMOPLASTIC PLASTIC MATERIAL AND APPARATUS FOR USING THIS PROCESS
    US3390430A|1968-07-02|Extrusion die shell adjusting device
    CA1252967A|1989-04-25|Rotary blow molding machine
    HUT59865A|1992-07-28|Method and automatic equipment for producing packing rings processed to size formed from profiled or pressed, stamped member
    US7037456B2|2006-05-02|Manufacturing apparatus for flexible plastic tubes
    PL211012B1|2012-03-30|Method and device for the production of hollow bodies
    EP0239136A1|1987-09-30|Apparatus for injection-moulding tubular preforms of thermoplastic material
    US20040130068A1|2004-07-08|Method of shaping thermoplastic material
    US3075239A|1963-01-29|Manufacture of hollow articles from organic plastic materials
    RU2186683C1|2002-08-10|Extrusion-inflation moulding machine
    US5792486A|1998-08-11|Retainer for the die pin in an accumulator head
    US4290994A|1981-09-22|Method of molding hollow bodies
    JP4622388B2|2011-02-02|Compression molding system
    GB2038699A|1980-07-30|Orientation-blow molding equipment
    同族专利:
    公开号 | 公开日
    PH16752A|1984-02-10|
    FR2460772A1|1981-01-30|
    IE801459L|1981-01-12|
    CA1161216A|1984-01-31|
    AU536138B2|1984-04-19|
    GB2053077B|1983-06-22|
    DE3023415C2|1994-04-07|
    CS221923B2|1983-04-29|
    AU6004380A|1981-01-15|
    IE49941B1|1986-01-08|
    NZ194190A|1983-12-16|
    BE884148A|1980-11-03|
    BG39973A3|1986-09-15|
    ES493309A0|1981-06-01|
    US4514159A|1985-04-30|
    ES8105618A1|1981-06-01|
    BR8004317A|1981-01-27|
    DE3023415A1|1981-01-29|
    US4419064A|1983-12-06|
    ZA804063B|1981-06-24|
    YU178480A|1983-10-31|
    IT1174676B|1987-07-01|
    JPS5625411A|1981-03-11|
    ATA353180A|1989-05-15|
    CH638716A5|1983-10-14|
    HU178882B|1982-07-28|
    IT8023044D0|1980-06-26|
    AR222879A1|1981-06-30|
    ES271555U|1983-12-16|
    DK301780A|1981-01-13|
    GB2053077A|1981-02-04|
    KR840001280B1|1984-09-07|
    JPS647850B2|1989-02-10|
    US4352775A|1982-10-05|
    FR2460772B1|1984-02-24|
    PL225379A1|1981-05-08|
    DK155924C|1989-10-30|
    PL130987B1|1984-09-29|
    YU42535B|1988-10-31|
    DK155924B|1989-06-05|
    SE434026B|1984-07-02|
    MY8500458A|1985-12-31|
    ES271555Y|1984-07-01|
    NL8003466A|1981-01-14|
    KR830003283A|1983-06-18|
    DD151897A5|1981-11-11|
    NO171150B|1992-10-26|
    DE3023415C3|1994-04-07|
    NO802021L|1981-01-13|
    NO171150C|1993-02-03|
    SE8004277L|1981-01-13|
    MX154264A|1987-06-29|
    AT389490B|1989-12-11|
    IN153473B|1984-07-21|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CH650279A|CH638716A5|1979-07-12|1979-07-12|METHOD FOR PRODUCING A MOLDED BODY FROM PLASTIC.|
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