CN106637726A - Synchronous cloth transfer device and synchronous cloth transfer line - Google Patents

Abstract

The invention relates to the technical field of garment production and sewing, in particular to a cloth synchronous transmission device and a cloth synchronous transmission line. The cloth synchronous transmission device includes a feeding table for placing cloth and a truss arranged parallel to the feeding table. and a plurality of feeding units that can be synchronously slidably arranged on the truss, the feeding table is set opposite to a plurality of sewing stations arranged side by side, the truss is arranged on the side of the feeding table away from the sewing station, and each feeding unit corresponds to A sewing station, each feeding unit can drive the cloth to move on the feeding table. Through the synchronous sliding of all the feeding units on the truss, all the fabrics are moved synchronously on the feeding platform, and the fabrics sewn by each sewing station are simultaneously transmitted flatly to the The next adjacent sewing station is sewn, which realizes the synchronous transmission of the cloth between each sewing station, and the transmission efficiency is high.

Description

Cloth synchronous transmission device and cloth synchronous conveying line

technical field

The invention relates to the technical field of garment production and sewing, in particular to a cloth synchronous transmission device and a cloth synchronous conveying line.

Background technique

At present, in most garment factories, each worker operates a sewing machine, and their fabric logistics system is realized by people's handling or hanging devices. After a certain amount of fabric has been sewn by a certain sewing station, the worker needs to roll the fabric, and then the employee will carry it or transport the fabric to the next sewing station through a hanging device, and then the worker will unfold the fabric for corresponding After sewing, repeat the above steps. As a result, the transmission efficiency and sewing efficiency of the cloth are very low, and the labor intensity of the workers is also very high.

Contents of the invention

The technical problem to be solved by the present invention is to provide a cloth synchronous conveying device and a cloth synchronous conveying line capable of efficiently and synchronously conveying cloth between different sewing stations, so as to overcome the above-mentioned defects of the prior art.

In order to solve the above technical problems, the present invention adopts the following technical solutions: a cloth synchronous transmission device, including a feeding table for placing cloth, a truss arranged parallel to the feeding table, and a plurality of synchronously slidable and synchronously arranged on the truss. Feeding unit, the feeding platform is set opposite to multiple sewing stations arranged side by side, the truss is set on the side of the feeding platform away from the sewing stations, each feeding unit corresponds to a sewing station, and each feeding unit can drive The fabric moves on the feed table.

Preferably, each feeding unit includes a sliding seat slidably arranged on the truss and a pressing plate that can be lifted and lowered on the sliding seat. The pressing plate is located above the feeding table and is used to drive the cloth on the feeding table. Moving upward; the cloth synchronous transmission device also includes a first drive mechanism that drives all slides to slide synchronously on the truss and a second drive mechanism that drives all pressure plates to rise and fall synchronously.

Preferably, the multiple feeding units are connected by connecting rods, and the first driving mechanism is connected with the slide seat of one of the multiple feeding units.

Preferably, the first driving mechanism includes a first motor arranged on the sliding seat, a rack arranged on the truss, and a gear connected to the output shaft of the first motor and meshed with the rack, and the rack is parallel to the truss.

Preferably, a plurality of feeding units are connected by connecting rods, and the connecting rods are rotatably passed through all the sliding seats in turn, and each feeding unit includes a transmission structure connecting the connecting rods and the pressing plate, and the second driving mechanism is connected to the The transmission structure of one of the rods or multiple feeding units is connected, and drives the connecting rod and all transmission structures to rotate, so as to drive all the pressing plates to rise and fall synchronously.

Preferably, the transmission structure includes a transmission rod and a pressure plate, the pressure plate is arranged above the pressure plate and connected to the pressure plate, one end of the transmission rod is vertically connected to the connecting rod, and the other end is connected to the pressure plate.

Preferably, the pressing plate and the pressing plate are connected through an elastic structure, and the elastic structure elastically presses the pressing plate and the pressing plate.

Preferably, the pressing plate is provided with a pressure sensor for detecting the pressure of the pressing plate acting on the pressing plate.

Preferably, the second driving mechanism is arranged on the sliding seat, and includes a second motor, a synchronous belt, rollers and a lifting rod, the lifting rod is perpendicular to the truss, one end of the lifting rod is connected to the transmission structure, and the other end is connected to the roller through the gear teeth. meshing, the synchronous belt connects the output shaft of the second motor and the rotating shaft of the roller.

A cloth synchronous conveying line, including a plurality of sewing stations arranged side by side, each sewing station is provided with a worktable and a sewing machine installed on the worktable, and also includes the above-mentioned cloth synchronous transmission device, The fabric synchronous transmission device is set on the same side of all sewing stations.

Compared with prior art, the present invention has remarkable progress:

The synchronous sliding of all the feeding units on the truss drives all the fabrics to move synchronously on the feeding table, which realizes the flat transmission of the fabrics sewn by each sewing station in accordance with the arrangement sequence of multiple sewing stations. The next adjacent sewing station is sewn, which realizes the synchronous transmission of the cloth between each sewing station, with high transmission efficiency, which can improve sewing efficiency and reduce labor costs.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of a cloth synchronous conveying line according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of the overall structure of the cloth synchronous transmission device according to the embodiment of the present invention.

FIG. 3 is an enlarged schematic view of part A in FIG. 1 .

FIG. 4 is an enlarged schematic view of part B in FIG. 2 .

FIG. 5 is an enlarged schematic view of part C in FIG. 2 .

In the picture:

1. Sewing station 101, working table 102, sewing machine

2. Feeding platform 3. Truss 4. Feeding unit

5. Connecting rod 51, connecting section 52, piercing section

53. Limiting boss 6. Sliding seat 7. Holder plate

8. The first motor 9. Rack 10. Gear

11. Second motor 12. Timing belt 13. Roller

14. Lifting rod 15. Transmission rod 16. Pressing plate

17. The first set of rods 18. The second set of rods 19. Spring

20. Pressure sensor 21. Guide plate 22. Bracket

23. Opening 24. Pin hole 25. Pin shaft

detailed description

The specific implementation manners of the present invention will be described in further detail below in conjunction with the accompanying drawings. These embodiments are only used to illustrate the present invention, not to limit the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying Describes, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate in a specific orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

As shown in Fig. 1 to Fig. 5, an embodiment of the cloth synchronous transmission device of the present invention. As shown in Figure 1, the cloth synchronous transmission device of the present embodiment is installed on the same side of a plurality of sewing stations 1 arranged side by side, and each sewing station 1 is provided with a worktable 101 and installed on the worktable 101. On the sewing machine 102, the sewing machine 102 is an industrial sewing machine, and the type can be a lockstitch sewing machine or an interlock sewing machine or an overlock sewing machine. The cloth sewn on the worktable 101 of each sewing station 1 can be synchronously transmitted to the next sewing station 1 through the cloth synchronous transmission device of this embodiment.

Specifically, the cloth synchronous transmission device of this embodiment includes a feeding platform 2 , a truss 3 and a plurality of feeding units 4 . Wherein, the feeding table 2 is arranged opposite to a plurality of sewing stations 1 arranged side by side, and the feeding table 2 is used to place the cloth sewn by the sewing stations 1. The truss 3 is arranged parallel to the feeding platform 2 , and the truss 3 is arranged on the side of the feeding platform 2 away from the sewing station 1 . A plurality of feeding units 4 can be synchronously slidably arranged on the truss 3, and each feeding unit 4 corresponds to a sewing station 1, and each feeding unit 4 can drive the cloth on the feeding table through its sliding on the truss 3 2 on the move. After the sewing of the cloth at all sewing stations 1 is completed, the cloth that has been sewn on the worktable 101 can be manually moved to the feeding table 2 by the operator of each sewing station 1 to be connected with the sewing station 1 Corresponding positions, then all the cloths are driven by all the feeding units 4 to move synchronously to the next sewing station 1 on the feeding table 2, and all the feeding units 4 are reset synchronously after one conveying is completed, and then the corresponding The operator at the sewing station 1 manually moves the cloth on the feeding table 2 to its working table 101 for sewing, and repeats the above process after the sewing is completed until the cloth is sequentially completed at each sewing station 1. The sewing process is transferred to the last sewing station 1 and the sewing is completed.

The cloth synchronous transmission device of this embodiment, through the synchronous sliding of all feeding units 4 on the truss 3, drives all the cloth to move synchronously on the feeding table 2, and realizes synchronously moving according to the arrangement sequence of multiple sewing stations 1. The cloth sewn by each sewing station 1 is flatly transmitted to the next adjacent sewing station 1 for sewing, that is, the synchronous transmission of the cloth between each sewing station 1 is realized, the transmission efficiency is high, and the sewing machine can be improved. system efficiency and reduce labor costs.

In this embodiment, the number of feeding units 4 is not limited, and can be determined according to the number of sewing stations 1 . In order to realize the synchronous transmission of cloth at each sewing station 1 before the last sewing station 1, preferably, the number of feeding units 4 in this embodiment is one less than the number of sewing stations 1, and all feeding units 4 It is set in one-to-one correspondence with each sewing station 1 before the last sewing station 1.

Further, as shown in FIG. 1 and FIG. 2 , each feeding unit 4 in this embodiment includes a sliding seat 6 and a pressing plate 7 . The sliding seat 6 is slidably arranged on the truss 3 , the pressing plate 7 is arranged on the sliding seat 6 in a liftable manner, and the pressing plate 7 is located above the feeding platen 2 , and the pressing plate 7 is used for connecting with the feeding platen 2 The cloth on the top contacts and drives the cloth to move on the feeding platform 2. The cloth synchronous transmission device of this embodiment also includes a first driving mechanism and a second driving mechanism. The first driving mechanism is used to drive the sliding seat 6 of each feeding unit 4 to slide synchronously on the truss 3 . The second driving mechanism is used to drive the pressing plate 7 of each feeding unit 4 to move up and down synchronously on the sliding seat 6 . When there is no cloth on the feeding table 2 or when the cloth on the feeding table 2 does not need to be transmitted, the second drive mechanism drives all the hold-down plates 7 to rise synchronously to have a certain distance from the feeding table 2 . When it is necessary to transmit the cloth on the feeding table 2, the first drive mechanism drives all the sliding seats 6 to slide synchronously on the truss 3 to the position corresponding to the cloth, so that each holding plate 7 is located above the corresponding cloth; the second The second driving mechanism drives all the clamping plates 7 to descend synchronously to hold down the cloth and maintain a certain pressure on the cloth; Then it moves synchronously on the feeding table 2 until the cloth is transferred to the next sewing station 1; then the second driving mechanism drives all the pressing plates 7 to rise synchronously and separate from the cloth, so that the operator can move the cloth To the worktable 101 of the corresponding sewing station 1. This realizes the synchronous transmission of the cloth at 1 place of each sewing station. Of course, the hold-down plate 7 can also drive the cloth to move by vacuum absorbing or pasting the cloth.

Further, in this embodiment, each feeding unit 4 is connected through a connecting rod 5 , and the first driving mechanism is connected to a sliding seat 6 of one of the feeding units 4 . Driven by the first driving mechanism, the sliding seat 6 connected to it is directly driven to slide on the truss 3 and drives the corresponding feeding unit 4 to slide. Since each feeding unit 4 is connected by the connecting rod 5, the feeding unit driven by the first driving mechanism The sliding of 4 can drive other feeding units 4 to slide synchronously thereupon. Thus, only one first driving mechanism is used to drive all the feeding units 4 to slide synchronously on the truss, which simplifies the structure, reduces the cost, and is easy to operate and control.

Further, the connecting rod 5 in this embodiment is rotatably passed through the sliding seat 6 of each feeding unit 4 in turn, and each feeding unit 4 includes a transmission structure connecting the connecting rod 5 and the pressing plate 7, and the second driving mechanism It is connected with the transmission structure of one of the multiple feeding units 4 . The second drive mechanism directly drives the transmission structure connected to it to rotate and drives the pressure plate 7 of the corresponding feeding unit 4 to rise and fall, and at the same time drives the connecting rod 5 to rotate, and the rotation of the connecting rod 5 drives the transmission structure of other feeding units 4 to rotate synchronously , can drive the holding plate 7 of other feeding unit 4 to rise and fall synchronously thereupon. Of course, the second drive mechanism can also be connected with the connecting rod 5, and the second driving mechanism directly drives the connecting rod 5 to rotate, and the rotation of the connecting rod 5 drives the transmission structures of all feeding units 4 to rotate synchronously, so that all feeding units 4 can be driven. The binder plate 7 is lifted synchronously thereupon. Thus, only one second driving mechanism is used to realize the synchronous lifting of all the pressing plates 7, which further simplifies the structure.

In order to simplify the structure and make the operation more convenient, preferably, the first driving mechanism and the second driving mechanism in this embodiment are connected to the same feeding unit 4 and are both arranged on the sliding seat 6 of the feeding unit 4 .

In order to avoid axial relative sliding between the connecting rod 5 and the sliding seat 6 , preferably, there is an axial limiting structure between the connecting rod 5 and each sliding seat 6 to limit the axial displacement of the connecting rod 5 . As shown in Figure 3, the connecting rod 5 in this embodiment includes a connecting section 51 located between two adjacent sliding seats 6 and a penetrating section 52 passing through the sliding seats 6, the sliding seats 6 are provided with through holes, The piercing section 52 is pierced through the through hole, and the two ends of the piercing section 52 extending out of the through hole are fixedly connected with the connecting section 51 respectively, and the outer surfaces of the two ends of the piercing section 52 protruding out of the through hole extend out limit positions. The boss 53, the limiting boss 53 is an axial limiting structure. The limit boss 53 makes the diameter of the two ends of the piercing section 52 protruding from the through hole larger than the diameter of the through hole, thereby limiting the axial relative sliding between the connecting rod 5 and the sliding seat 6, and ensuring that the first driving mechanism When driving the slide seat 6 connected with it to slide on the truss 3 , the slide seat 6 of other feeding unit 4 can be driven to slide synchronously on the truss 3 through the connecting rod 5 .

Further, as shown in Fig. 3 and Fig. 4, the transmission structure of each feeding unit 4 in this embodiment includes a transmission rod 15 and a pressing plate 16, and the pressing plate 16 is arranged opposite to the pressing plate 7 above the pressing plate 7, and The pressing plate 16 is connected with the pressing plate 7 . One end of the transmission rod 15 is vertically connected with the connecting rod 5, and the other end of the transmission rod 15 is connected with the pressing plate 16, and the upward or downward rotation of the transmission rod 15 can drive the pressing plate 16 and the pressing plate 7 to lift. In the feeding unit 4 connected with the second driving mechanism, the end of the transmission rod 15 connected with the connecting rod 5 continues to extend out of the assembly section in the direction away from the pressing plate 16, and the assembly section is connected with the second driving mechanism. Drive the transmission rod 15 and the connecting rod 5 to rotate by the second drive mechanism, and at the same time, the rotation of the connecting rod 5 drives other transmission rods 15 to rotate synchronously thereupon, and the synchronous rotation of the transmission rod 15 can realize driving the binder plate 7 Synchronous lifting. In this way, it is realized that the transmission structure is driven to rotate by the second drive mechanism to drive all the pressing plates 7 to rise and fall synchronously.

In order to realize buffering when the pressing plate 7 is lowered onto the feeding platen 2, preferably, the pressing plate 16 of this embodiment is connected to the pressing plate 7 through an elastic structure, and the elastic structure elastically presses the pressing plate 16 and the pressing material. 7, so that when the pressing plate 7 descends to the position on the feeding platen 2 in contact with the cloth, the pressing plate 7 can have a certain rising and rebounding space by compressing the elastic structure, so as to play a better buffering role and avoid damage to the fabric.

Preferably, the elastic structure in this embodiment is a first set of rods 17 arranged on the upper surface of the pressing plate 7 and a second set of rods 18 arranged on the pressing plate 16, the first set of rods 17 and the second set of rods 18 can be Slidingly socketed in the axial direction, the connection between the pressing plate 16 and the pressing plate 7 is realized, and there is a certain relative lifting space between the pressing plate 7 and the pressing plate 16 . The number of the first set of rods 17 and the second set of rods 18 is not limited. In this embodiment, there are four sets of first set of rods 17 and four sets of second rods 18 .

Preferably, springs 19 are sheathed on the first set of rods 17 and the second set of rods 18, which can improve the buffering effect. Further, a pressure sensor 20 is provided on the binder plate 7, the pressure sensor 20 is located at the first set of rods 17 and at the lower end of the spring 19, and is used to detect the pressure on the spring 19, that is, to detect that the pressure plate 16 acts on the binder. The pressure on the plate 7 can be precisely controlled to the pressure that the pressure plate 7 acts on the cloth, preventing the pressure plate 7 from exerting too much pressure on the cloth and damaging the cloth.

Preferably, in this embodiment, a guide plate 21 is also provided between the pressing plate 7 and the pressing plate 16, and a bracket 22 is provided on the sliding seat 6. One end of the bracket 22 is fixed on the sliding seat 6, and the other end of the bracket 22 extends into the Between the clamping plate 7 and the clamping plate 16 , the guide plate 21 is fixed on the bracket 22 and is parallel to the clamping plate 7 and the clamping plate 16 . The first set of rods 17 can slide through the guide plate 21 , and the spring 19 is located between the pressing plate 7 and the guide plate 21 . The guide plate 21 can guide the lifting movement of the first set of rods 17 relative to the second set of rods 18 in the axial direction, so as to ensure the steady rebound and buffering of the pressing plate 7 . An opening 23 is opened on the guide plate 21 , so that the transmission rod 15 can pass through the guide plate 21 through the opening 23 when rotating up and down.

Further, as shown in Figure 5, the first drive mechanism in this embodiment includes a first motor 8, a rack 9 and a gear 10, the first motor 8 is arranged on the slide 6, and the rack 9 is arranged on the truss 3, And the rack 9 is parallel to the truss 3 , the gear 10 is connected to the output shaft of the first motor 8 , and the gear 10 is meshed with the rack 9 . The first motor 8 drives the gear 10 to rotate, and the sliding seat 6 is driven to slide on the truss 3 through the transmission cooperation between the gear 10 and the rack 9 . Thus, the first driving mechanism drives the sliding seat 6 connected to it to slide on the truss 3 , and drives the sliding seats 6 of other feeding units 4 to slide synchronously on the truss 3 . Of course, the first driving mechanism can also adopt other forms that can realize the sliding of the driving slide 6 on the truss 3 , such as the form of screw drive, or the form of driving with a roller belt.

Further, as shown in FIG. 5 , the second drive mechanism in this embodiment includes a second motor 11 , a synchronous belt 12 , rollers 13 and a lifting rod 14 . Wherein, the lifting rod 14 is vertically arranged with the truss 3, and one end of the lifting rod 14 is connected with the assembly section of the transmission rod 15 in the transmission structure of the feeding unit 4, and the other end of the lifting rod 14 is engaged with the roller 13 through the gear teeth, and the timing belt 12 connects the output shaft of the second motor 11 and the rotating shaft of the roller 13. The second motor 11 drives the roller 13 to rotate through the synchronous belt 12, and the rotation of the roller 13 drives the lifting rod 14 to rise and fall accordingly, and drives the transmission rod 15 of the feeding unit 4 connected to it to rotate, thereby driving the pressure of the corresponding feeding unit 4. Material plate 7 lifts, drives connecting rod 5 to rotate simultaneously. In this way, the second driving mechanism drives the lifting and lowering of the pressing plate 7 of the feeding unit 4 connected thereto, and drives the pressing plates 7 of other feeding units 4 to rise and fall synchronously. Of course, the second drive mechanism can also adopt other forms that can drive the holding plate 7 up and down on the slide seat 6, such as the form of a telescopic rod, which can be an air cylinder or a hydraulic cylinder or an electric push rod or a linear stepper motor or electromagnet.

In this embodiment, an open slot is provided on the assembly section of the transmission rod 15, and pin holes 24 are respectively opened on both sides of the open slot, and a pin shaft 25 is arranged in the open slot, and the two ends of the pin shaft 25 are slidably inserted into Located in the two pin holes 24 , the lifting rod 14 is connected with the pin shaft 25 . Thus, the lifting of the elevating rod 14 drives the transmission rod 15 to rotate with the connecting rod 15 as a fulcrum, and simultaneously drives the connecting rod 15 to rotate in the through hole of the sliding seat 6 .

Further, in order to adapt to fabrics of different sizes, the clamping plate 7 in this embodiment is detachably connected to the first set of rods 17 to facilitate the replacement of the clamping plate 7, thereby adapting to the transmission of fabrics of different sizes.

Further, in order to prevent the fabric from being damaged, in this embodiment, a buffer pad is provided on the side of the pressure plate 7 facing the feeding platen 2 . The buffer pad is made of an elastic material with a large friction coefficient and has good friction performance. Through the contact between the buffer pad and the cloth, it can play a good buffering role, prevent the pressure plate 7 from damaging the cloth, and at the same time effectively drive the cloth Move on the feeding table 2.

Further, the cloth synchronous transmission device of this embodiment also includes a control system, the first motor 8 in the first drive mechanism, the second motor 11 in the second drive mechanism, and the pressure sensor 20 on the pressure plate 7 are all connected with the control system connected, the control system controls the first motor 8 and the second motor 11 to start or stop running, and controls the operating state of the second motor 11 according to the pressure information detected by the pressure sensor 20, so as to adjust the pressing plate 7 to the cloth on the feeding table 2 pressure, thus realizing automatic control.

Further, in order to better realize automatic control, in this embodiment, a detection piece is provided at a position corresponding to each sewing station 1 on the feeding table 2 to detect whether there is cloth at the position, thereby judging whether It is necessary to start transferring the cloth or whether the cloth is transferred in place. The detection part on the feeding platen 2 is connected with the control system, and the detected information is sent to the control system, and the control system automatically controls the first motor 8 and the second motor 11 to start or stop running according to the information detected by the detection part, thereby Realized automatic control and intelligent transmission of cloth.

Based on the above cloth synchronous transmission device, this embodiment also provides a cloth synchronous conveying line. The cloth synchronous conveying line of the present embodiment comprises a plurality of sewing stations 1 arranged side by side, and each sewing station 1 is provided with a worktable 101 and a sewing machine 102 installed on the worktable 101. 1 is provided with the above-mentioned cloth synchronous transmission device of the present embodiment.

To sum up, the cloth synchronous transmission device and the cloth synchronous conveying line of this embodiment drive all the cloth to move synchronously on the feeding table 2 through the synchronous sliding of all the feeding units 4 on the truss 3 , and realize sewing according to multiple The arrangement sequence of the station 1 synchronously transfers the cloth sewn by each sewing station 1 to the next adjacent sewing station 1 for sewing, that is, realizes the cloth between each sewing station 1 Synchronous transmission, high transmission efficiency, can improve sewing efficiency and reduce labor costs.

The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the present invention, some improvements and replacements can also be made, these improvements and replacements It should also be regarded as the protection scope of the present invention.

Claims (10)

1. a kind of cloth synchronous transmission device, it is characterised in that include the feeding platen (2) for placing cloth and described send Truss (3) and multiple feeding units (4) that can be located on the truss (3) that material platen (2) be arranged in parallel, institute synchronous slide State feeding platen (2) to be oppositely arranged with multiple sewing workstations (1) being arranged side by side, the truss (3) is located at the feeding platen (2) away from the side of the sewing workstation (1), each described feeding unit (4) corresponds to a sewing workstation (1), often The individual feeding unit (4) can drive the cloth to move on the feeding platen.

2. cloth synchronous transmission device according to claim 1, it is characterised in that each described feeding unit (4) is wrapped Include the slide (6) being slidingly disposed on the truss (3) and the holding pad (7) being liftably located on the slide (6), institute Holding pad (7) is stated positioned at the top of the feeding platen (2) and for driving the cloth to move on the feeding platen (2) It is dynamic；The cloth synchronous transmission device also include driving all slides (6) on the truss (3) synchronous slide first Second drive mechanism of drive mechanism and all holding pad (7) synchronization liftings of driving.

3. cloth synchronous transmission device according to claim 2, it is characterised in that between the plurality of feeding unit (4) Connected by connecting rod (5), first drive mechanism and the plurality of feeding unit (4) slide (6) of one of them Connection.

4. cloth synchronous transmission device according to claim 3, it is characterised in that first drive mechanism includes being located at The first motor (8) on the slide (6), the tooth bar (9) on the truss (3) and with first motor (8) The gear 10 that output shaft connects and is meshed with the tooth bar (9)), the tooth bar (9) is parallel with the truss (3).

5. cloth synchronous transmission device according to claim 2, it is characterised in that between the plurality of feeding unit (4) Connected by connecting rod (5), the connecting rod (5) is rotationally arranged in successively all slides (6), each described feeding Unit (4) includes the drive mechanism of the connection connecting rod (5) and the holding pad (7), second drive mechanism and institute Connecting rod (5) or the plurality of feeding unit (4) drive mechanism connection of one of them is stated, and drives the connecting rod (5) rotate with all drive mechanisms, realize driving all holding pad (7) synchronization liftings.

6. cloth synchronous transmission device according to claim 5, it is characterised in that the drive mechanism includes drive link (15) and pressing plate (16), the pressing plate (16) is oppositely arranged and is connected in the top of the holding pad (7) with the holding pad (7) Connect, one end of the drive link (15) is vertical with the connecting rod (5) to be connected, and the other end is connected with the pressing plate (16).

7. cloth synchronous transmission device according to claim 6, it is characterised in that the pressing plate (16) and the holding pad (7) it is connected by elastic construction between, pressing plate (16) and the holding pad (7) described in the elastic construction elasticity top pressure.

8. cloth synchronous transmission device according to claim 7, it is characterised in that the holding pad (7) be provided with for Detect that the pressing plate (16) acts on the pressure sensor (20) of the pressure on the holding pad (7).

9. cloth synchronous transmission device according to claim 5, it is characterised in that second drive mechanism is located at described On slide (6), including the second motor (11), Timing Belt (12), roller (13) and elevating lever (14), the elevating lever (14) and institute State truss (3) vertical, one end of the elevating lever (14) is connected with the drive mechanism, and the other end is logical with the roller (13) Cross the gear teeth to be meshed, the Timing Belt (12) connects the output shaft of second motor (11) and the rotating shaft of the roller (13).

10. a kind of cloth synchronous transport line, including multiple sewing workstations (1) being arranged side by side, each described sewing workstation (1) place It is equipped with working plate (101) and the sewing machine (102) on the working plate (101), it is characterised in that also include Cloth synchronous transmission device as in one of claimed in any of claims 1 to 9, the cloth synchronous transmission device is located at all institutes State the same side of sewing workstation (1).