专利摘要:
The invention relates to a conveyor belt. The purpose of the invention is to increase reliability. The device has carriages 2 mounted in an infinite-closed guide structure 1 with the possibility of sliding and interconnected by a spring element 5. The latter can be lengthened and shortened. Due to this, the pitch between the carriages 2 can vary in accordance with the tact of feeding and unloading the printed products. 8 hp f-ly, 5 ill.
公开号:SU1729287A3
申请号:SU884356425
申请日:1988-09-16
公开日:1992-04-23
发明作者:Эберле Юрг
申请人:Ферач А.Г.(Фирма);
IPC主号:
专利说明:

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ate with
The invention relates to a conveyor belt.
The purpose of the invention is to increase reliability and improve ergonomic performance by reducing noise.
Figure 1 shows schematically a conveyor device for piece goods printed products, side view; figure 2 - section aa in figure 1; on fig.Z - section bb in fig. one; 4 and 5 show a cam disk with a different arrangement of carriages.
The conveyor device for piece goods of printed products includes an infinitely closed guide structure 1 installed in it with the possibility of moving the carriage 2 with the gripping 3 and the fastening 4 elements and with connection in the form of a spring element 5 installed between the carriages 2 with the possibility of lengthening and contraction .
At the beginning and at the end of the transport section b there are different-speed propellers, each of which is made in the form of a driving cam disc 7 with saw-tooth teeth 8 and depressions 9 in the direction of rotation, which are interoperable with gripping elements 3. Cam discs 7 are installed on shafts 10 and 11 driven by drives 12 and 13, which have interconnected speed controllers 14 and 15. The spring element 5 can be made in the form of a bent flat spring, the ends of which are fixed on adjacent carriages 2 with the possibility of placement between the last bend 16 of a bent flat spring. In this case, the flat spring is bent can be made in the form of a segment of an infinitely closed tape, which is fixed by fasteners 4 on the carriages 2 and can be made of a toothed belt made of rubber tape with a layer. Each cam disc 7 is double-ended, and the spring element 5 is fixed on each carriage 2 between the gripping elements 3 so that each cam disc 7 can be placed between the rims. Each endlessly closed guide structure 1 is made in the form of straight sections 17 between the cam discs 7 and located around the cam discs 7 radius sections 18. Each carriage 2 is installed with the possibility of interaction with one of the radius sections 18 and the cam disc 7. For two pairs of racks 19 beds 20 is supported by one support member 21, which is fixed beskonechnozamknuta
guide 1. There are also two cantilevers 22 and 23 on the bed 20, on which drive shafts 10 and 11 are mounted with rigidly mounted cams
discs 7. The drive shafts 10 and 11 are connected kinematically with chain gears 24 to drives 12 and 13 mounted on racks 19. Speed controllers 14 and 15 control the speed of drives of drives 12 and 13.
Infinitely closed directional structure 1 has two L-shaped profiles 25, the short sides 26 of which are directed opposite to one another and along them
5 slides the yoke 27 (figure 2). The carriages 2 have clamps 28 for printed products with spring elements 29. Between the short sides 26 of the L-shaped profiles is placed element 30 with gripping elements 3. Fixing element 4 is fixed on element 30 by bolts 31 and has a saddle 32 and an emphasis 33 with threaded holes 34 for bolts 31. Spring element 5 in the form of a toothed belt with tabs 35 in the form of, for example, steel wire, is clamped between the seat 32 and the stop 33.
The shaft 10 is mounted rotatably by means of a ball bearing pair 36 in the arm 22 (Fig. 3). Chained
0, the wheel 37 of the chain transmission 24 is rigidly mounted on the shaft 10. The two rims of the cam disc 7 are rigidly connected to the shaft 10 by means of keys 38, which enter the key path on the shaft 10 and are separated from
5 ball bearing pair 36 by means of sleeves 39. Also on console 22 there are two guide pulleys 40, having on their edge coaxial with shaft 10, facing one another, additional sides 41, the last on guide pulleys 40 guiding carriages 2 on the cam section the disks 7 in the same way as the short sides of the 26 L-shaped profiles 25 between the cam disks 7 mounted on the shafts 10 and 11 do (figure 2). In the upper half of FIG. 3, a carriage 2 is shown mounted slidably using the crosspiece 27 and the element 30 on the sides 41, and
0 gripping elements 3, which go into cavities 9 in the cam discs 7. The toothed belt fastened with the aid of the stop 33 and the seat 32 on the element 30 is shown in FIG. 3 intermittently.
5 Clamp 28 has a tab 42 pivotally mounted and pretensioned relative to the clamping pad 43 in the closing direction.
Between the tab 42 and the clamping block 43 is clamped indicated by the dotted
line newspaper 44. Foot 42 has a tracking element 45, which, when running onto its slide 46 (figure 5), turns foot 42 in the direction of opening and frees newspaper 44.
Conveyor device for piece goods printed products works as follows.
Newspapers 44 are delivered in a stored form, are captured by means of a feed mechanism (not shown) by clips 28, conveyed in direction F of transportation, then received and taken away for further processing by a discharge device (not shown). The actuator 12 is controlled by the regulator 14 so that in time with the flow coming from the warehouse, each clip 28 captures one newspaper of this flow in the initial part of the conveyor transport segment. For this purpose, the clamping legs 42 are held by means of a link (not shown) on this initial length in the open position.
As the drive 12 is controlled depending on the clock flow of the newspapers 44, the drive 13 is controlled by means of the regulator 15 depending on the beat of the discharge mechanism. The cam discs 7 rotate on shafts 10 and 11 in the direction of arrow A, so that each newspaper 44 can be caught and discharged by a discharge mechanism. Short-term interruptions in the tact between the newspapers fed in and out 44, as well as continuous phase shifts, are taken over by the transport device. For this purpose, there are several carriages 2, which, due to the action of the spring element 5, in a state of rest are located at an average distance from one another in such a way that the spring element 5 has a wave-like shape. If the rendering clock is larger than the receiving clock, then the distance between the carriages 2 on the transport segment increases, and on the non-transport segment, the devices decrease. If the receiving clock is larger than the giving clock, then on the transport segment the carriage 2 accumulates, while the distance between them on the non-transport segment increases. The distance between adjacent carriages 2 can increase until the spring element 5 is stretched (Fig. 4) and can decrease until the carriage 2 is located close (Fig. 5).
The control of these extremes occurs by means of the controllers 14 and 15 and is indicated by the dash-dotted line. For example, you can integrate the difference
rotational speeds of both drives 12 and 13 and compare it with the maximum and minimum values corresponding to the maximum or minimum distance
between carriages 2. The difference in the receiving and sending cycles will be compensated until one of these extreme values is exceeded. It is only from this moment that a slowing down or, accordingly, an acceleration of the receiving or giving tact is required. The wavy deformed gear belt 5 acts between the adjacent carriages 2 as a spring.
5 If the distance is reduced compared with the average distance, the toothed belt section between two adjacent carriages 2 exerts an opposing force on the carriage 2, which again tends to return them to their original position with a medium distance. If the distance between the carriages 2 is greater than the average, the toothed belt 5, as a counteraction, has on the carriages 2
5 tensile force. Thus, due to the spring effect of the toothed belt 5, the distance between the carriages 2 is aligned on the transport and non-transport segments. Since the opposing forces in the toothed belt 5. are constantly changing, this alignment is continuous, which greatly contributes to the smooth running. In this regard, it is important that the friction between the carriages 2 and the infinitely closed guide structure 1 can be kept small. This is, for example, the case when the sliding parts on the metal guide part of the carriages 2 are made
0 from synthetic materials. Other material combinations may be used.
At a maximum distance between adjacent carriages 2, an approach occurs.
5 by the gripping elements 3 in the hollows 9 without problems, since the distance between the teeth 8 is approximately equal to the maximum distance between the gripping elements 3 when the toothed belt 5 is stretched 5. Therefore, the gripping elements of the 3. next carriages 2 are pulled up by the previous ones in engagement with the depressions 9 in the cam discs 7,. the carriages 2 to the corresponding valleys 9. If, for example, before entering the cam discs 7, an accumulation is formed (Fig. 5), the carriages 2 must be held until the next hollow 9 for receiving the gripping element 3 approaches the latter. For this purpose, the gripping elements 3 slid over the part
between the teeth 8. Since the distance on this part of the cam disc 7 to the axis of the shaft 11 gradually decreases in the direction opposite to the rotation in arrow A, the back of the carriage 2 is slowly moving in the direction of arrow A until the gripping element 3 of the very first carriage 2 enters the next hollow 9, and the gripping element 3 of the next carriage 2 is again not on the next gentle slope of the toothed rim of the cam disc 7.
Figures 4 and 5 show both extreme cases with a maximum and minimum distance between the carriages of 2.v. Usually the distance between the carriages 2 corresponds to the average distance. In this case, a slight blockage of the carriages 2 occurs until the cam discs 7 can receive the next carriage 2, and the constant change in the opposing forces in the toothed belt 5 ensures a smooth running until the gripping elements 3 enter the cavity 9.
The spring properties of the wave-shaped deformed toothed belt 5 are mainly determined by the material of the toothed belt 5 and the inlays 35. The spring effect between the carriages 2, other than the toothed belt, can be achieved by other means. For example, you can wavy deform endless synthetic material or spring steel tape in the same way as the toothed belt 5. Or you can connect such a tape, which has a wavy shape before installation, with the carriages 2. Other spring elements that could also be made states of rest can be reduced or lengthened. However, such separate spring elements have the disadvantage that mounting on carriages 2 will require more costs.
On the carriage 2, you can install any kind of gripping elements 3, which may have a different design than the clamps 28 (figure 2).
权利要求:
Claims (9)
[1]
1. Conveyor device for piece goods of printed products, including an infinitely closed guide structure, installed in it with the possibility of moving the carriage with grippers and fasteners and with the connection between the carriages, the transport section, located at the beginning and end of the transport
Raznostorostnye propellers and their drives with interconnected speed controllers, characterized in that, in order to increase reliability, the connection is made in the form of a spring element installed with the possibility of lengthening and contraction.
[2]
2. The device according to claim 1, wherein, in order to improve the ergonomic performance of the conveyor by reducing noise, the carriages are installed in an infinitely closed guide structure with the possibility of sliding.
[3]
3. The device according to claim 1, about tl and h and y sh e with the fact that the spring element is made
in the form of a bent flat spring, the ends of which are fixed on adjacent carriages with the possibility of placement between the last bends of the bent flat spring.
[4]
4. The device according to claims 1 and 3, characterized in that the flat spring is bent in the form of a segment of an infinitely closed tape, fastened with fasteners on carriages.
[5]
5. The device according to PP.1, Z4, characterized by the fact that the endlessly closed ribbon is made in the form of a toothed belt.
[6]
6. The device according to claims 1, 3 and 4, of which it is, is that it is infinitely closed
the tape is made in the form of a rubber tape with an interlayer.
[7]
7. Device pop. 1, which differs from the fact that each propulsion device is made in the form of a cam disk with sawtooth
directed in the direction of rotation of the teeth and with depressions between them, arranged to interact with the gripping elements.
[8]
8. The device according to claims 1 and 7, characterized in that each cam disc is made in two-rollers, and the spring element is fixed on each carriage between the gripping elements with the possibility of placement between the rims of each cam disc.
[9]
9. The device according to claims 1 and 2, characterized in that each infinitely closed guide structure is made in the form.
straight-line portions and located around cam discs of radius portions, each carriage mounted to interact with one of the radius portions and the cam disc.
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法律状态:
优先权:
申请号 | 申请日 | 专利标题
CH3854/87A|CH680285A5|1987-10-02|1987-10-02|
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