Simple unmanned rear piece automatic sewing device

Abstract

The utility model relates to a simple unmanned automatic rear piece sewing device, which belongs to the technical field of safety air bag rear piece sewing and comprises a cutting piece placing frame, a sewing table and a blanking frame, the sewing table is positioned between the cutting piece placing frame and the blanking frame, the cutting piece placing frame is detachably connected with the sewing table, a rear piece placing plate is arranged on the cutting piece placing frame, and the blanking frame is provided with a blanking opening. A plurality of containing cavities are formed in the rear piece containing plate and used for containing cloth forming a rear piece, a sewing mechanism used for sewing the rear piece is arranged on the sewing table, a transferring mechanism used for transferring the cloth is arranged on the cutting piece containing frame, a material collecting mechanism is arranged on the sewing table, and the transferring mechanism moves the cloth located on the cutting piece containing frame to the sewing table. And a rear piece is formed after being processed by the sewing mechanism, and then is moved to the blanking frame through the receiving mechanism. The back piece sewing device has the effect of improving the back piece sewing efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of sewing the rear piece of an airbag, in particular to a simple automatic sewing device for the rear piece without a worker. Background Art

[0002] An automotive airbag is an important part of an automotive safety system, and its purpose is to protect the occupants from further injury during a collision. The automotive airbag in the prior art includes a rear piece, which is formed by stacking and sewing multiple pieces of cloth with different shapes. The sewing of the rear piece is carried out by a sewing machine. In the actual production process, the cloth needs to be stacked and placed at the sewing machine manually in sequence, and then the processed rear piece is taken off manually. The sewing efficiency of the rear piece is relatively low. Summary of the Utility Model

[0003] In order to improve the sewing efficiency of the rear piece, the present application provides a simple automatic sewing device for the rear piece without a worker.

[0004] The simple automatic sewing device for the rear piece without a worker provided by the present application adopts the following technical solutions:

[0005] The simple automatic sewing device for the rear piece without a worker is used for sewing the rear piece of an airbag, and includes a piece placing rack, a sewing table and a blanking frame. The sewing table is located between the piece placing rack and the blanking frame. The piece placing rack is detachably connected to the sewing table. A rear piece placing plate is provided on the piece placing rack. A plurality of receiving cavities are provided on the rear piece placing plate, and the receiving cavities are used for placing the cloth that constitutes the rear piece. A sewing mechanism for sewing the rear piece is provided on the sewing table. A transfer mechanism for transferring the cloth is provided on the piece placing rack. A material receiving mechanism is provided on the sewing table. The transfer mechanism sequentially moves the cloth located on the rear piece placing plate to the sewing table, forms the rear piece after being processed by the sewing mechanism, and then moves the rear piece to the blanking frame through the material receiving mechanism.

[0006] By adopting the above technical solutions, the cloth for constituting the rear piece is stacked in the specified receiving cavities. The transfer mechanism sequentially moves the cloth to the sewing mechanism for sewing and processing to form the rear piece, and then the rear piece is moved to the blanking frame by the material receiving mechanism for collection. Compared with manual loading and unloading, the labor intensity is reduced, and the production efficiency of the rear piece is effectively improved. Through the detachable design of the piece placing rack and the sewing table, on the one hand, it is convenient for the movement, disassembly and assembly of the automatic sewing device for the rear piece without a worker, and on the other hand, the piece placing rack is not likely to move relative to the sewing table, which is convenient for moving the rear piece to the specified position by the transfer mechanism, thereby improving the quality of the sewn rear piece.

[0007] Preferably, the transfer mechanism includes a placement part, a connecting block, and a control part. The placement part is arranged on the piece placing rack. One end of the connecting block is rotatably connected to the placement part, and the other end of the connecting block is rotatably connected to the control part. A control rod is slidably connected to the end of the control part away from the connecting block. The control rod slides along the height direction of the piece placing rack. One end of the control rod facing the piece placing rack is provided with a placement plate, and a plurality of suction cups are arranged on the placement plate. The plurality of suction cups cooperate to move the back piece.

[0008] By adopting the above technical solution, the back piece is taken and placed by the suction and deflation of the suction cups. The back piece can be transferred under the cooperation of the connecting block, the control part and the control rod. The back piece is transferred by the suction cups, and the surface of the back piece is not easily damaged during the transfer process of the back piece, which ensures the quality of the sewn back piece to a certain extent.

[0009] Preferably, a support frame is arranged on the sewing table. The material receiving mechanism includes a support part slidably arranged on the support frame. The support part slides along the horizontal direction of the sewing table. A control sliding part is slidably connected to the support part. The control sliding part slides along the height direction of the piece placing rack. The support part and the control sliding part cooperate to move the sewn back piece to the blanking frame.

[0010] By adopting the above technical solution, the support part and the control sliding part cooperate to move the sewn back piece to the blanking frame. The surface of the sewing table is made smooth, so the back piece is not easily damaged due to friction with the sewing table during the transfer process of the back piece, which is convenient for the blanking of the back piece, and thus can improve the production efficiency of the back piece to a certain extent.

[0011] Preferably, a landslide plate is arranged on one side of the sewing table facing the blanking frame. The landslide plate inclines towards the blanking frame, and the landslide plate provides guidance for the sliding of the back piece.

[0012] By adopting the above technical solution, the landslide plate provides guidance for the sliding of the back piece, which is convenient for the back piece to move into the blanking frame, and thus is convenient for the collection of the back piece.

[0013] Preferably, it further includes a protective frame. The piece placing rack and part of the sewing mechanism are within the protection range of the protective frame. A safety door is rotatably connected to the protective frame.

[0014] By adopting the above technical solution, through the design of the protective frame, during the working process of the simple automatic back piece sewing device without a person, it is not easily interfered by other factors, and it is not easy for workers to accidentally touch the equipment that is working, which improves the safety and stability during the operation of the simple automatic back piece sewing device without a person. Through the setting of the safety door, it is not necessary to remove the protective frame when overhauling the simple automatic back piece sewing device, which is convenient for the overhaul and maintenance of the simple automatic back piece sewing device.

[0015] Preferably, a limiting notch is formed in the rear piece placement plate, and a limiting block corresponding to the limiting notch is provided on the piece placement rack.

[0016] By adopting the above technical solution, the cooperation between the limiting block and the limiting notch restricts the movement of the rear piece placement plate relative to the piece placement rack, thereby further facilitating the transfer mechanism to determine the position of the rear piece to be transferred and facilitating the transfer of the rear piece.

[0017] Preferably, handles are provided on both sides of the rear piece placement plate.

[0018] By adopting the above technical solution, through the cooperation of the handles on both sides, the disassembly and assembly of the rear piece placement plate are facilitated, so that it is convenient to replace the rear piece placement plates with different-shaped accommodation cavities, and the applicable range of the automatic sewing device for rear pieces without human intervention is improved.

[0019] In summary, the present application includes at least one of the following beneficial technical effects:

[0020] 1. The fabric for forming the rear piece is stacked in the designated accommodation cavity, and the transfer mechanism sequentially moves the fabric to the sewing mechanism for sewing and processing to form the rear piece, and then the rear piece is moved to the blanking frame by the material receiving mechanism for collection. Compared with manual loading and unloading, the labor intensity is reduced, and the production efficiency of the rear piece is effectively improved;

[0021] 2. The landslide plate provides guidance for the sliding of the rear piece, facilitating the rear piece to move and fall into the blanking frame, thereby facilitating the collection of the rear piece. Description of the Drawings

[0022] Figure 1 is the overall structural schematic diagram of the embodiment of the present application.

[0023] Figure 2 is the detailed view of the piece placement rack in the embodiment of the present application.

[0024] Figure 3 is the detailed view of the sewing table in the embodiment of the present application.

[0025] Description of the Reference Numerals: 1. Piece placement rack; 11. Rear piece placement plate; 111. Accommodation cavity; 112. Limiting notch; 113. Handle; 12. Limiting block; 2. Sewing table; 21. Sewing mechanism; 22. Connecting piece; 23. Landslide plate; 24. Support frame; 3. Blanking frame; 4. Transfer mechanism; 41. Placement part; 42. Connecting block; 43. Control part; 44. Control rod; 441. Control chute; 45. Placement plate; 451. Suction cup; 452. Vacuum generator; 453. Photoelectric inductor; 5. Material receiving mechanism; 51. Support part; 511. Control sliding part; 512. Sliding cylinder; 52. Linear motor; 6. Protection frame; 61. Safety door. Detailed Embodiment

[0026] The following will further elaborate on the present utility model in conjunction with the attached Figures 1-3 drawings.

[0027] The simple automatic sewing device for the rear piece in the embodiment of the present application is used for sewing the rear piece of the airbag. Referring to Figure 1 and Figure 2 , it includes a piece placement rack 1, a sewing table 2, and a blanking frame 3 placed in sequence. The sewing table 2 is located between the piece placement rack 1 and the blanking frame 3. There is a rear piece placement plate 11 on the piece placement rack 1, and there are a plurality of receiving cavities 111 on the rear piece placement plate 11. The receiving cavities 111 are used to place the fabrics that make up the rear piece. The number and shape of the receiving cavities 111 depend on the style of the rear piece. There is a transfer mechanism 4 on the piece placement rack 1 for transferring the rear piece. There is a sewing mechanism 21 and a material receiving mechanism 5 on the sewing table 2. The fabrics for making up the rear piece are stacked in the designated receiving cavities 111. The transfer mechanism 4 sequentially moves the fabrics to the sewing mechanism 21 for sewing processing to form the rear piece, and then the material receiving mechanism 5 moves the rear piece to the blanking frame 3 to be collected. Compared with manual loading and unloading, the labor intensity is reduced, and the production efficiency of the rear piece is effectively improved.

[0028] Referring to Figure 1 and Figure 3 , the piece placement rack 1 and the sewing table 2 are detachably connected. There is a connecting piece 22 between the piece placement rack 1 and the sewing table 2. The connecting piece 22 is fixed to both the piece placement rack 1 and the sewing table 2 by bolts. Through the detachable design of the piece placement rack 1 and the sewing table 2, on the one hand, it is convenient for the movement, disassembly, and assembly of the automatic sewing device for the rear piece. On the other hand, the piece placement rack 1 is not prone to moving relative to the sewing table 2, which is convenient for the transfer mechanism 4 to move the fabrics on the rear piece placement plate 11 to the designated position.

[0029] Referring to Figure 1 and Figure 2 , limiting notches 112 are opened at the four corners of the rear piece placement plate 11, and limiting blocks 12 corresponding to the limiting notches 112 are fixed on the piece placement rack 1. When the rear piece placement plate 11 is placed on the piece placement rack 1, the limiting blocks 12 are in tight contact with the inner walls of the limiting notches 112. The cooperation between the limiting blocks 12 and the limiting notches 112 restricts the movement of the rear piece placement plate 11 relative to the piece placement rack 1, thereby further facilitating the transfer mechanism 4 to determine the position of the fabric to be transferred, facilitating the transfer of the rear piece. In addition, it is also convenient to replace the rear piece placement plate 11 with different receiving cavities 111, enabling the device to be used for the production of different rear pieces and improving the applicable range of the device.

[0030] Referring to Figure 1 and Figure 2, handle 113 is fixedly provided on both sides of the rear piece placement plate 11. The number of handles 113 on one side depends on the length of the rear piece placement plate 11. In the embodiment of the present application, two handles 113 are provided on one side of the rear piece placement plate 11. Through the cooperation of the handles 113 on both sides, it is convenient to replace the rear piece placement plate 11.

[0031] Refer to Figure 1 and Figure 2 , the transfer mechanism 4 includes a placement part 41, a connection block 42 and a control part 43. The placement part 41 is fixedly provided on the piece placement rack 1 and the placement part 41 is arranged along the height direction of the piece placement rack 1. One end of the connection block 42 is rotatably connected to the placement part 41. A control motor for controlling the rotation of the connection block 42 is fixedly provided in the placement part 41. The output shaft of the control motor is fixed to the connection block 42, and the connection block 42 rotates with the output shaft of the control motor as the rotation axis; the other end of the connection block 42 is rotatably connected to the control part 43. A connection motor for controlling the rotation of the control part 43 is fixedly provided in the connection block 42. The output shaft of the connection motor is fixed to the control part 43, and the control part 43 rotates with the output shaft of the connection motor as the rotation axis.

[0032] Refer to Figure 1 and Figure 2 , a control rod 44 is slidably connected to the end of the control part 43 away from the connection block 42. A control chute 441 for allowing the control rod 44 to slide is provided on the control part 43. The control rod 44 slides along the height direction of the piece placement rack 1. Threads are provided on the outer wall of the control rod 44. A threaded block that is in threaded cooperation with the control rod 44 is rotatably connected in the control part 43. When the threaded block rotates, the control rod 44 can slide under the action of screw drive. The rotation of the threaded block can be driven by a motor. A guide block is fixedly provided on the inner wall of the control chute 441. A guide groove for allowing the guide block to slide is provided on the outer wall of the control rod 44. The cooperation between the guide block and the guide groove makes it difficult for the control rod 44 to rotate following the rotation of the threaded block, improving the stability of the sliding of the control rod 44.

[0033] Refer to Figure 1 and Figure 2 , one end of the control rod 44 facing the piece placement rack 1 is connected to a placement plate 45. A plurality of suction cups 451 are provided on the placement plate 45. In the embodiment of the present application, 7 suction cups 451 are provided on the placement plate 45. The suction cups 451 are fixed to the placement plate 45 by bolts. A vacuum generator 452 that cooperates with the suction cups 451 is also provided on the placement plate 45. The cooperation between the vacuum generator 452 and the suction cups 451 can grasp and transfer the rear piece placed on the rear piece placement plate 11. A photoelectric sensor 453 is also provided on the placement plate 45. The model of the photoelectric sensor 453 in the embodiment of the present application is CX-442. Through the setting of the photoelectric sensor 453, it is convenient to judge whether the rear piece is grasped by the suction cups 451, improving the reliability of transferring the rear piece by the transfer mechanism 4.

[0034] Reference Figure 1 and Figure 3 On the tabletop of the sewing table 2, a support frame 24 is fixedly installed. The support frame 24 is located on the side of the sewing mechanism 21 away from the piece placement rack 1. The support frame 24 is arranged along the length direction of the sewing table 2. The material receiving mechanism 5 includes a support part 51 slidably arranged on the support frame 24. The support part 51 slides along the length direction of the support frame 24. A linear motor 52 cooperating with the support part 51 is fixedly installed on the support frame 24. Under the action of the linear motor 52, the support part 51 slides along the length direction of the support frame 24. A sliding control part 511 is slidably connected to the support part 51. The sliding control part 511 slides along the height direction of the piece placement rack 1. A sliding cylinder 512 for controlling the sliding of the sliding control part 511 is arranged on the support part 51. The sliding rod of the sliding cylinder 512 is fixed to the support part 51. After the sliding control part 511 slides towards the sewing table 2, the sliding control part 511 abuts against the sewn back piece. Then, the linear motor 52 drives the abutting part to slide towards the blanking frame 3, so that the back piece falls into the blanking frame 3, completing the blanking of the back piece. The material of the part of the sliding control part 511 in contact with the back piece is the same as that of the suction cup 451, so that the back piece is not easily damaged.

[0035] Reference Figure 1 and Figure 3 On one side of the sewing table 2 facing the blanking frame 3, a landslide plate 23 is fixedly installed. The landslide plate 23 is inclined towards the blanking frame 3. The landslide plate 23 provides guidance for the sliding of the back piece, facilitating the movement of the back piece to fall into the blanking frame 3, thereby facilitating the collection of the back piece.

[0036] Reference Figure 1 This simple automatic back piece sewing device without a person further includes a protective frame 6. The protective frame 6 can be fixed to the ground by bolts. The piece placement rack 1 and part of the sewing mechanism 21 are within the protection range of the protective frame 6. A safety door 61 is rotatably connected to the protective frame 6. Through the design of the protective frame 6, during the working process of this simple automatic back piece sewing device without a person, it is not easily interfered by other factors, and it is not easy for workers to accidentally touch the equipment that is working, improving the safety and stability during the operation of this simple automatic back piece sewing device without a person; through the setting of the safety door 61, it is not necessary to remove the protective frame 6 when performing maintenance on this simple automatic back piece sewing device without a person, facilitating the maintenance and repair of this simple automatic back piece sewing device without a person.

[0037] The implementation principle of the simple automatic back piece sewing device without a person in the embodiment of this application is as follows: Place the back piece to be processed in the corresponding accommodation cavity 111 of the back piece placement plate 11. Then, the back piece located on the piece placement rack 1 is moved to the sewing table 2 through the transfer mechanism 4. After the back piece is processed by the sewing mechanism 21, the sewn back piece is moved to the blanking frame 3 by the material receiving mechanism 5 for collection, completing the sewing of the back piece.

[0038] The above are all preferred embodiments of this application, and the protection scope of this application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.

Claims

1. Simple unmanned rear panel automatic sewing device, used for sewing the rear panel of the airbag, characterized in that: The invention comprises a cutting piece placement frame (1), a sewing table (2) and a material blanking frame (3), wherein the sewing table (2) is located between the cutting piece placement frame (1) and the material blanking frame (3), the cutting piece placement frame (1) and the sewing table (2) are detachably connected, the cutting piece placement frame (1) is provided with a back piece placement plate (11), the back piece placement plate (11) is provided with a plurality of accommodating cavities (111), the accommodating cavities (111) are used to place fabric constituting the back piece, the sewing table (2) is provided with a plurality of accommodating cavities (111), the accommodating cavities (111) are used to place fabric constituting the back piece, and the sewing table (2) is provided with a plurality of accommodating cavities (111) A sewing mechanism (21) for sewing a rear piece is provided on the table (2), a transfer mechanism (4) for transferring cloth is provided on the cutting piece placement frame (1), and a material receiving mechanism (5) is provided on the sewing table (2). The transfer mechanism (4) sequentially moves the cloth on the rear piece placement plate (11) to the sewing table (2), forms a rear piece after being processed by the sewing mechanism (21), and then moves the rear piece to the unloading frame (3) through the material receiving mechanism (5).

2. The simple automatic sewing device for rear pieces without human intervention according to claim 1, characterized in that: The transfer mechanism (4) comprises a placement portion (41), a connection block (42) and a control portion (43); the placement portion (41) is arranged on the cut piece placement rack (1); one end of the connection block (42) is rotatably connected to the placement portion (41); the other end of the connection block (42) is rotatably connected to the control portion (43); one end of the control portion (43) away from the connection block (42) is slidably connected to a control rod (44); the control rod (44) slides along the height direction of the cut piece placement rack (1); one end of the control rod (44) facing the cut piece placement rack (1) is provided with a placement plate (45); a plurality of suction cups (451) are provided on the placement plate (45); the plurality of suction cups (451) cooperate to move the rear piece.

3. The simple automatic sewing device for rear pieces without human intervention according to claim 2, characterized in that: The sewing table (2) is provided with a support frame (24), and the material receiving mechanism (5) comprises a support portion (51) slidably arranged on the support frame (24), the support portion (51) slides in the horizontal direction of the sewing table (2), a control slide portion (511) is slidably connected to the support portion (51), and the control slide portion (511) slides in the height direction of the cut piece placement frame (1), and the support portion (51) cooperates with the control slide portion (511) to move the sewn rear piece to the material unloading frame (3).

4. The simple automatic sewing device for rear pieces without human intervention according to claim 3, characterized in that: A sliding plate (23) is provided on one side of the sewing table (2) facing the blanking frame (3); the sliding plate (23) is inclined toward the blanking frame (3); and the sliding plate (23) provides guidance for the sliding of the rear sheet.

5. The simple automatic sewing device for rear piece without human intervention according to claim 3, characterized in that: It also comprises a protection frame (6), the cutting piece placement frame (1) and part of the sewing mechanism (21) are located within the protection range of the protection frame (6), and a safety door (61) is rotatably connected to the protection frame (6).

6. The simple automatic sewing device for unmanned back piece according to claim 1, characterized in that: The rear piece placement plate (11) is provided with a limiting notch (112), and the cut piece placement frame (1) is provided with a limiting block (12) corresponding to the limiting notch (112).

7. The simple automatic sewing device for rear pieces without human intervention according to claim 6, characterized in that: Handles (113) are provided on both sides of the rear sheet placement plate (11).

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