A sewing machine

Abstract

The sewing machine comprises a feeding mechanism, a feeding platform, a vision device, a four-axis adjusting mechanism and a sewing mechanism, wherein the feeding mechanism is used for conveying a workpiece to the feeding platform; the feeding platform is used for placing the workpiece; the vision device is used for taking a picture of the workpiece on the feeding platform to obtain the position of the workpiece; the four-axis adjusting mechanism is used for moving the workpiece in XYZ directions and rotating the workpiece to adjust the angular position of the workpiece and convey the workpiece to the sewing mechanism; and the sewing mechanism is used for sewing the workpiece. The sewing machine is provided with the vision device and the four-axis adjusting mechanism, the vision device is used for acquiring the image of the workpiece to obtain the position of the workpiece and know the deviation of the workpiece position angle from the standard position angle, then the four-axis adjusting mechanism is used to realize the position adjustment of the workpiece in the three-dimensional space through the movement of the three linear axes of XYZ, the angular deviation of the workpiece is corrected through the rotation of the workpiece, and finally the workpiece is accurately conveyed to the sewing mechanism, thereby improving the sewing quality of the workpiece, and the structure realizes the automatic positioning of the workpiece and has high positioning accuracy.

Description

Technical Field

[0001] This utility model relates to the field of sewing machine technology, and in particular to a sewing machine. Background Technology

[0002] Currently, sewing machines on the market typically use a conveyor mechanism to transport workpieces to a loading platform. A robotic arm then picks up the workpiece from the platform and moves it to the sewing mechanism for sewing. This loading method lacks workpiece positioning, and different workpieces may have angular deviations, affecting sewing quality. Alternatively, after the workpiece is transported to the sewing mechanism, manual positioning is required, impacting production efficiency, and manual positioning is often inaccurate.

[0003] Therefore, further improvements are necessary. Utility Model Content

[0004] The purpose of this invention is to provide a sewing machine with a simple structure, good positioning effect, high production efficiency, good product quality, and strong practicality, so as to overcome the shortcomings of the existing technology.

[0005] A sewing machine designed for this purpose, characterized in that it includes:

[0006] The loading mechanism is used to transport workpieces to the loading platform;

[0007] The loading platform is used to place workpieces;

[0008] The four-axis adjustment mechanism is used to move and rotate the workpiece in the XYZ directions to adjust the angular position of the workpiece and to transport the workpiece to the sewing mechanism.

[0009] A sewing mechanism used to sew workpieces;

[0010] The feeding mechanism is located on one side of the feeding platform, and the four-axis adjustment mechanism is located above the feeding platform and the sewing mechanism.

[0011] It also includes a vision device for taking pictures of the workpieces on the loading platform to determine the position of the workpieces;

[0012] The vision device is located below the loading platform.

[0013] The vision device includes a fixed tube, an adjustment plate, and a camera. The fixed tube is fixedly installed at the bottom of the loading platform, and the camera is fixedly installed on the adjustment plate. The adjustment plate is mounted on the fixed tube to adjust the vertical position of the camera.

[0014] The adjusting plate is provided with fixing holes, and the fixing tube is provided with adjusting fixing grooves. After the fastener passes through the fixing holes, it is adjusted and fixed up and down in the adjusting fixing grooves so that the adjusting plate is adjusted and installed on the fixing tube.

[0015] The four-axis adjustment mechanism includes an X-axis moving device, a Y-axis moving device, a Z-axis moving device, and a rotating device. The X-axis moving device is movably mounted on the Y-axis moving device in the Y direction, the Z-axis moving device is movably mounted on the X-axis moving device in the X direction, and the rotating device is movably mounted on the Z-axis moving device in the Z direction. The rotating device is used to drive the workpiece to rotate.

[0016] The Y-axis moving device includes a first motor, a first transmission assembly, a first conveyor belt assembly, and a drive shaft. The first motor is driven to the first conveyor belt assembly through the first transmission assembly. The first conveyor belt assembly is installed at both ends of the drive shaft. The X-axis moving device includes a second motor, a second transmission assembly, and a second conveyor belt assembly. The second motor is driven to the second conveyor belt assembly through the second transmission assembly. The two ends of the second conveyor belt assembly are installed on the corresponding first conveyor belt assemblies through first sliders.

[0017] The Z-axis moving device includes a third motor, a third transmission assembly, and a third conveyor belt assembly. The third motor is connected to the third conveyor belt assembly via the third transmission assembly, and the third conveyor belt assembly is mounted on the second conveyor belt assembly via a second slider. The rotating device includes a fourth motor, a rotating shaft, and a first suction cup. The fourth motor is mounted on the third conveyor belt assembly via the third slider. The fourth motor drives one end of the rotating shaft, and the other end of the rotating shaft is connected to the first suction cup. The first suction cup is used to adsorb and fix the workpiece on the loading platform.

[0018] A second suction cup is provided on the loading platform, covering the top of the loading platform. The second suction cup has several suction holes for adsorbing and fixing the workpiece.

[0019] The loading mechanism includes a Y-axis moving device, a Z-axis moving device, and a third suction cup. The Z-axis moving device is movably mounted on the Y-axis moving device in the Y direction, and the third suction cup is movably mounted on the Z-axis moving device in the Z direction. The Y-axis moving device drives the workpiece on the third suction cup to move to the loading platform.

[0020] It also includes a material storage mechanism, which includes a lifting device and a support plate for carrying workpieces. Workpieces are stacked on the support plate to form a workpiece pile. The lifting device drives the support plate. The third suction cup is located above the material storage mechanism. When loading, the lifting device lifts the workpieces on the support plate so that the third suction cup can pick up the workpieces on the top of the workpiece pile.

[0021] It also includes a feeding mechanism, which includes a lifting component, a rotating component, a rotating plate, an X-axis moving component, and a fourth suction cup. The lifting component is driven and connected to the rotating component, the rotating component is driven and connected to one end of the rotating plate, the X-axis moving component is fixed to the other end of the rotating plate, and the X-axis moving component is driven and connected to the fourth suction cup. The rotating component drives the fourth suction cup to rotate through the rotating plate, so that the fourth suction cup switches between the sewing mechanism and the feeding station. The fourth suction cup is used to adsorb and fix the workpiece on the sewing mechanism.

[0022] This invention relates to a sewing machine that incorporates a vision device and a four-axis adjustment mechanism. The vision device acquires an image of the workpiece to determine its position and the deviation of its position angle from the standard position angle. The four-axis adjustment mechanism then adjusts the workpiece's position in three-dimensional space by moving along three linear axes (X, Y, and Z). Furthermore, by rotating the workpiece, the angular deviation is corrected, ultimately ensuring the workpiece is precisely delivered to the sewing mechanism, thus improving the sewing quality. This structure also enables automatic workpiece positioning with high accuracy, thereby increasing production efficiency. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of a sewing machine in one embodiment of the present invention.

[0024] Figure 2 This is a partial structural diagram of a sewing machine in one embodiment of the present invention.

[0025] Figure 3 This is a schematic diagram of the overall structure of the four-axis adjustment mechanism in one embodiment of the present invention.

[0026] Figure 4 This is a schematic diagram of the overall structure of the Y-axis moving device in one embodiment of the present invention.

[0027] Figure 5 This is a schematic diagram of the overall structure of the X-axis moving device in one embodiment of the present invention.

[0028] Figure 6 This is a schematic diagram of the overall structure of the Z-axis moving device in one embodiment of the present invention.

[0029] Figure 7 This is a schematic diagram of the overall structure of the rotating device in one embodiment of the present invention.

[0030] Figure 8 This is a schematic diagram of the overall structure of the visual device in one embodiment of the present invention.

[0031] Figure 9 This is a schematic diagram of the overall structure of the feeding mechanism, feeding platform and vision device in one embodiment of the present invention.

[0032] Figure 10 This is a schematic diagram of the overall structure of the feeding mechanism and the sewing mechanism in one embodiment of the present invention.

[0033] Figure 11 This is a schematic diagram of the overall structure of the material storage mechanism in one embodiment of the present invention. Detailed Implementation

[0034] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0035] See Figures 1-11 This sewing machine, including

[0036] The loading mechanism 2 is used to transport the workpiece 1 to the loading platform 3;

[0037] Loading platform 3 is used to place workpiece 1;

[0038] The vision device 4 is used to take a picture of the workpiece 1 on the loading platform 3 to determine the position of the workpiece 1;

[0039] The four-axis adjustment mechanism 5 is used to move and rotate the workpiece 1 in the XYZ directions to adjust the position of the workpiece 1 and to transport the workpiece 1 to the sewing mechanism 6.

[0040] Sewing mechanism 6 is used to sew workpiece 1;

[0041] The feeding mechanism 2 is located on one side of the feeding platform 3, the vision device 4 is located below the feeding platform 3, and the four-axis adjustment mechanism 5 is located above the feeding platform 3 and the sewing mechanism 6. The cooperation between the vision device 4 and the four-axis adjustment mechanism 5 enables the millimeter-level positioning of the workpiece 1, which is suitable for precision sewing scenarios such as clothing, leather goods, and electronic components.

[0042] When the sewing machine is working, the workpiece 1 is first transported to the loading platform 3 by the loading mechanism 2 and placed on the loading platform 3. Then, the vision device 4 takes a picture of the workpiece 1 on the loading platform 3. Then, the four-axis adjustment mechanism 5 picks up the workpiece 1 and moves and rotates the workpiece 1 in the XYZ directions to adjust the angle and position of the workpiece 1. Finally, the workpiece 1 is transported to the sewing mechanism 6 and sewn by the sewing mechanism 6.

[0043] The vision device 4 includes a fixed tube 7, an adjusting plate 8, and a camera 9. The fixed tube 7 is fixedly installed at the bottom of the loading platform 3, and the camera 9 is fixedly installed on the adjusting plate 8. The adjusting plate 8 is installed on the fixed tube 7 to adjust the vertical position of the camera 9, which can adapt to the imaging requirements of workpieces 1 of different thicknesses. A base plate 47 is provided at the bottom of the loading platform 3, and the fixed tube 7 is fixed to the bottom of the base plate 47 by screws. The vision device 4 is located below the loading platform 3 to avoid the upper mechanism from obstructing the view and to ensure accurate shooting angle. The loading platform 3 is made of light-transmitting material to ensure that the vision device 4 can accurately capture images of the workpiece 1.

[0044] The adjusting plate 8 is provided with a fixing hole 30, and the fixing tube 7 is provided with an adjusting fixing groove 31. After the fastener (screw) passes through the fixing hole 30, it is adjusted and fixed on the adjusting fixing groove 31 so that the adjusting plate 8 can be adjusted and installed on the fixing tube 7.

[0045] The four-axis adjustment mechanism 5 includes an X-axis moving device 10, a Y-axis moving device 11, a Z-axis moving device 12, and a rotating device 13. The X-axis moving device 10 is movably mounted on the Y-axis moving device 11 in the Y direction. The Z-axis moving device 12 is movably mounted on the X-axis moving device 10 in the X direction. The rotating device 13 is movably mounted on the Z-axis moving device 12 in the Z direction. The rotating device 13 is used to drive the workpiece 1 to rotate. The Y-axis moving device 11 is respectively located at the left and right ends of the X-axis moving device. The Y direction is the front-back direction, the X direction is the left-right direction, and the Z direction is the up-down direction.

[0046] The Y-axis moving device 11 includes a first motor 14, a first transmission assembly 15, a first conveyor belt assembly 16, and a drive shaft 17. The first motor 14 is driven to one of the first conveyor belt assemblies 16 through the first transmission assembly 15. The first conveyor belt assemblies 16 are respectively installed at both ends of the drive shaft 17. The X-axis moving device 10 includes a second motor 18, a second transmission assembly 19, and a second conveyor belt assembly 20. The second motor 18 is driven to the second conveyor belt assembly 20 through the second transmission assembly 19. The two ends of the second conveyor belt assembly 20 are respectively installed on the corresponding first conveyor belt assembly 16 through a first slider 21.

[0047] The Z-axis moving device 12 includes a third motor 22, a third transmission assembly 23, and a third conveyor belt assembly 24. The third motor 22 is connected to the third conveyor belt assembly 24 via the third transmission assembly 23. The third conveyor belt assembly 24 is mounted on the second conveyor belt assembly 20 via a second slider 25. The rotating device 13 includes a fourth motor 26, a rotating shaft 27, and a first suction cup 28. The fourth motor 26 is mounted on the third conveyor belt assembly 24 via a third slider 29. The fourth motor 26 drives one end of the rotating shaft 27, and the other end of the rotating shaft 27 is connected to the first suction cup 28. The first suction cup 28 is used to adsorb and fix the workpiece 1 on the loading platform 3.

[0048] The first transmission assembly 15, the second transmission assembly 19, and the third transmission assembly 23 are pulley assemblies, each including a driving pulley, a transmission belt, and a driven pulley. The first conveyor belt assembly 16, the second conveyor belt assembly 20, and the third conveyor belt assembly 24 include a first synchronous pulley, a second synchronous pulley, and a conveyor belt. The driven pulley is connected to the first synchronous pulley, and the first synchronous pulley and the second synchronous pulley are connected via the conveyor belt. The first slider 21, the second slider 25, and the third slider 29 are respectively mounted on their respective conveyor belts.

[0049] The first conveyor belt assembly 16 also includes a first guide rail 48, the second conveyor belt assembly 20 also includes a second guide rail 49, and the third conveyor belt assembly 24 also includes a third guide rail 50. A first synchronous pulley, a second synchronous pulley, and a conveyor belt are mounted on the guide rails. A first motor 14 is mounted on the first guide rail 48, a second motor 18 is mounted on the second guide rail 49, and a third motor 22 is mounted on the third guide rail 50. The bottom of the second guide rail 49 is connected to a first slider 21, which is slidably mounted on the first guide rail 48. The second conveyor belt assembly 20 slides on the first guide rail 48 via the first slider 21. The bottom of the third guide rail 50 is connected to a second slider 25, which is slidably mounted on the second guide rail 49. The third conveyor belt assembly 24 slides on the second guide rail 49 via the second slider 25. A fourth motor 26 is mounted on the third slider 29, which is slidably mounted on the third guide rail 50. The fourth motor 26 slides on the third guide rail 50 via the third slider 29.

[0050] The sewing machine also includes a frame 51, on which a first guide rail 48 is fixed.

[0051] The loading platform 3 is equipped with a second suction cup 32, which covers the top of the loading platform 3. The second suction cup 32 is provided with several suction holes 33 for adsorbing and fixing the workpiece 1. The second suction cup 32 is honeycomb-shaped. The side of the loading platform 3 is provided with air holes 52, which are connected to a vacuum cleaner, thereby causing the second suction cup 32 to generate suction. The workpiece 1 is adsorbed through the suction holes 33, thereby fixing the workpiece 1, so that the vision device 4 can accurately capture the workpiece 1.

[0052] The loading mechanism 2 includes a Y-axis moving device 34, a Z-axis moving device 35, and a third suction cup 36. The Z-axis moving device 35 is movably mounted on the Y-axis moving device 34 in the Y direction, and the third suction cup 36 is movably mounted on the Z-axis moving device 35 in the Z direction. The Y-axis moving device 34 drives the workpiece 1 on the third suction cup 36 to move to the loading platform 3. The Y-axis moving device 34 includes a fifth motor 53 and a fourth conveyor belt assembly 54. The fifth motor 53 drives and connects to the fourth conveyor belt assembly 54. The fourth conveyor belt assembly 54 includes a first synchronous pulley, a second synchronous pulley, a conveyor belt, and a fourth guide rail 57. The first synchronous pulley, the second synchronous pulley, and the conveyor belt are mounted on the fourth guide rail 57. The Y-axis moving device 35 includes a first cylinder 55 and a mounting plate 56. The first cylinder 55 is fixed on the mounting plate 56, and the mounting plate 56 is connected to the fourth slider 58. The workpiece 1 is slidably mounted on the fourth guide rail 57 in the Y direction. The first cylinder 55 drives the third suction cup 36. After the Y-direction moving device 34 moves the workpiece 1 on the third suction cup 36 to the loading platform 3, the first cylinder 55 drives the workpiece 1 to move downward through the third suction cup 36 to place the workpiece 1 on the loading platform 3.

[0053] It also includes a storage mechanism 37, which includes a lifting device 46 and a support plate 38 for carrying workpieces 1. Workpieces 1 are stacked on the support plate 38 to form a workpiece pile. The lifting device 46 drives the support plate 38. The third suction cup 36 is located above the storage mechanism 37. During loading, the lifting device 46 lifts the workpieces 1 on the support plate 38 so that the third suction cup 36 can pick up the workpieces 1 at the top of the workpiece pile. For each workpiece 1 picked up by the third suction cup 36, the support plate 38 lifts the workpiece pile by the height of one workpiece 1, realizing automatic loading. Material feeding; the lifting device 46 includes a sixth motor 59, a fourth transmission assembly 63, a fifth conveyor belt assembly 60, and a lifting plate 61. The lifting plate 61 is mounted on the fifth conveyor belt assembly 6 via a fifth slider 62. The sixth motor 59 is connected to the fifth conveyor belt assembly 60 via the fourth transmission assembly 63. The upper end of the lifting plate 61 is connected to the material support plate 38. The structure of the fourth transmission assembly 63 is the same as that of the first transmission assembly 15, and the structure of the fifth conveyor belt assembly 6 is the same as that of the first conveyor belt assembly 16. These will not be described in detail here.

[0054] It also includes a feeding mechanism 39, which includes a lifting component 40, a rotating component 41, a rotating plate 42, an X-axis moving component 43, and a fourth suction cup 44. The lifting component 40 is driven and connected to the rotating component 41, the rotating component 41 is driven and connected to one end of the rotating plate 42, the X-axis moving component 43 is fixed to the other end of the rotating plate 42, and the X-axis moving component 43 is driven and connected to the fourth suction cup 44. The lifting component 40 is a second cylinder, the rotating component 41 is a rotating cylinder, and the X-axis moving component 43 is a third cylinder. The rotating component 41 drives the fourth suction cup 44 to rotate through the rotating plate 42, so that the fourth suction cup 44 switches between the sewing mechanism 6 and the feeding station 45. The fourth suction cup 44 is used to adsorb and fix the workpiece 1 on the sewing mechanism 6. The sewing mechanism 6 includes a sewing machine head 64 and a moving platform 65. The moving platform 65 is horizontally movably set on the frame 51, and a four-axis adjustment mechanism. 5. The workpiece 1 is transported to the moving platform 65. When the sewing mechanism 6 is working, the moving platform 65 drives the workpiece 1 to move, and the cutter head of the sewing machine head 64 rotates to sew the workpiece 1. This structure is existing technology and will not be described in detail here. After the workpiece 1 is sewn, the moving platform 6 drives the workpiece 1 to move towards the feeding mechanism 39. At the same time, the X-axis moving component 43 drives the fourth suction cup 44 to move towards the moving platform 6, so that the fourth suction cup 44 sucks up the workpiece 1 on the moving platform 6. Then, the rotating component 41 rotates the fourth suction cup 44 to the feeding station 45 through the rotating plate 42 for feeding. The lifting component 40 is used to drive the fourth suction cup 44 to move up and down to adapt to workpieces 1 of different heights. The first suction cup 28, the third suction cup 36 and the fourth suction cup 44 are provided with connectors 66. The connectors 66 are connected to a vacuum cleaner through pipes to generate suction.

[0055] The above describes the preferred embodiments of this utility model, illustrating and describing its basic principles, main features, and advantages. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made without departing from the spirit and scope of this utility model, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A sewing machine, characterized in that: include The loading mechanism (2) is used to transport the workpiece (1) to the loading platform (3); The loading platform (3) is used to place the workpiece (1); The four-axis adjustment mechanism (5) is used to move the workpiece (1) in the XYZ directions and rotate the workpiece (1) to adjust the angular position of the workpiece (1) and to transport the workpiece (1) to the sewing mechanism (6). A sewing mechanism (6) is used to sew the workpiece (1); The feeding mechanism (2) is located on one side of the feeding platform (3), and the four-axis adjustment mechanism (5) is located above the feeding platform (3) and the sewing mechanism (6).

2. The sewing machine according to claim 1, characterized in that: Also includes A vision device (4) is used to take a picture of the workpiece (1) on the loading platform (3) to determine the position of the workpiece (1); The vision device (4) is located below the loading platform (3).

3. The sewing machine according to claim 2, characterized in that: The vision device (4) includes a fixed tube (7), an adjustment plate (8) and a camera (9). The fixed tube (7) is fixedly installed at the bottom of the loading platform (3), and the camera (9) is fixedly installed on the adjustment plate (8). The adjustment plate (8) is installed on the fixed tube (7) to adjust the vertical position of the camera (9).

4. The sewing machine according to claim 3, characterized in that: The adjusting plate (8) is provided with a fixing hole (30), and the fixing tube (7) is provided with an adjusting fixing groove (31). After the fastener passes through the fixing hole (30), it is adjusted and fixed on the adjusting fixing groove (31) so that the adjusting plate (8) can be adjusted and installed on the fixing tube (7).

5. The sewing machine according to claim 1, characterized in that: The four-axis adjustment mechanism (5) includes an X-axis moving device (10), a Y-axis moving device (11), a Z-axis moving device (12), and a rotating device (13). The X-axis moving device (10) is movably mounted on the Y-axis moving device (11) in the Y direction. The Z-axis moving device (12) is movably mounted on the X-axis moving device (10) in the X direction. The rotating device (13) is movably mounted on the Z-axis moving device (12) in the Z direction. The rotating device (13) is used to drive the workpiece (1) to rotate.

6. The sewing machine according to claim 5, characterized in that: The Y-axis moving device (11) includes a first motor (14), a first transmission assembly (15), a first conveyor belt assembly (16), and a drive shaft (17). The first motor (14) is connected to the first conveyor belt assembly (16) via the first transmission assembly (15). The first conveyor belt assembly (16) is installed at both ends of the drive shaft (17). The X-axis moving device (10) includes a second motor (18), a second transmission assembly (19), and a second conveyor belt assembly (20). The second motor (18) is connected to the second conveyor belt assembly (20) via the second transmission assembly (19). The two ends of the second conveyor belt assembly (20) are installed on the corresponding first conveyor belt assembly (16) via the first slider (21).

7. The sewing machine according to claim 6, characterized in that: The Z-axis moving device (12) includes a third motor (22), a third transmission assembly (23), and a third conveyor belt assembly (24). The third motor (22) is connected to the third conveyor belt assembly (24) via the third transmission assembly (23). The third conveyor belt assembly (24) is mounted on the second conveyor belt assembly (20) via the second slider (25). The rotating device (13) includes a fourth motor (26), a rotating shaft (27), and a first suction cup (28). The fourth motor (26) is mounted on the third conveyor belt assembly (24) via the third slider (29). The fourth motor (26) drives one end of the rotating shaft (27), and the other end of the rotating shaft (27) is connected to the first suction cup (28). The first suction cup (28) is used to adsorb and fix the workpiece (1) on the loading platform (3).

8. The sewing machine according to claim 7, characterized in that: The loading platform (3) is provided with a second suction cup (32), which covers the top of the loading platform (3). The second suction cup (32) is provided with several suction holes (33) for adsorbing and fixing the workpiece (1).

9. The sewing machine according to claim 2, characterized in that: The loading mechanism (2) includes a Y-axis moving device (34), a Z-axis moving device (35) and a third suction cup (36). The Z-axis moving device (35) is movably mounted on the Y-axis moving device (34) in the Y direction, and the third suction cup (36) is movably mounted on the Z-axis moving device (35) in the Z direction. The Y-axis moving device (34) drives the workpiece (1) on the third suction cup (36) to move to the loading platform (3).

10. The sewing machine according to claim 9, characterized in that: It also includes a storage mechanism (37), which includes a lifting device (46) and a support plate (38) for carrying workpieces (1). Workpieces (1) are stacked on the support plate (38) to form a workpiece pile. The lifting device (46) drives the support plate (38) and the third suction cup (36) is located above the storage mechanism (37). When loading, the lifting device (46) drives the workpieces (1) on the support plate (38) to rise so that the third suction cup (36) can adsorb the workpieces (1) on the top of the workpiece pile. It also includes a feeding mechanism (39), which includes a lifting component (40), a rotating component (41), a rotating plate (42), an X-axis moving component (43), and a fourth suction cup (44). The lifting component (40) drives and connects to the rotating component (41), the rotating component (41) drives and connects to one end of the rotating plate (42), the X-axis moving component (43) is fixed to the other end of the rotating plate (42), and the X-axis moving component (43) drives and connects to the fourth suction cup (44). The rotating component (41) drives the fourth suction cup (44) to rotate through the rotating plate (42), so that the fourth suction cup (44) switches between the sewing mechanism (6) and the feeding station (45). The fourth suction cup (44) is used to adsorb and fix the workpiece (1) on the sewing mechanism (6).

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