Feeding mechanism for double-side automatic sewing workstation

Abstract

A feeding mechanism for a double-side automatic sewing work station comprises a supporting frame, a transverse frame is arranged at the upper end of the supporting frame, a material reel and a discharging guide wheel are arranged on the front side of the transverse frame, a feeding guide wheel set and a feeding guide groove are formed in the front side of the supporting frame, and the end of a strip-shaped material sequentially bypasses the discharging guide wheel and the feeding guide wheel set and then penetrates through the feeding guide groove; a conveying through hole and a cutting through hole are formed in the surface of the feeding guide groove; a driving wheel and a pinch roller telescopic cylinder are respectively arranged on the left and right sides of the conveying through hole; a pressing wheel is arranged at the telescopic shaft end of the pressing wheel telescopic cylinder and is matched with the driving wheel; a fixed cutter and a cutter telescopic air cylinder are arranged on the left side and the right side of the cutting through hole respectively, a cutter is arranged at the telescopic shaft end of the cutter telescopic air cylinder, and the cutter is matched with the fixed cutter. According to the automatic feeding device, the defects in the prior art are overcome, the requirement for the proficiency of workers is reduced by adopting automatic feeding of strip-shaped materials, meanwhile, the production efficiency and quality are improved, and the precision of sewing operation is also effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewing equipment, in particular to a feeding mechanism for a double-sided automatic sewing workstation. Background Art

[0002] Sewing strips (such as fabric and leather strips) is a common practice in the current sewing industry. However, traditional strip sewing relies primarily on manual feeding, which not only requires high worker proficiency but also presents challenges such as low production efficiency, high product rejection rates, and high costs. Specifically, manual feeding requires the length of the strip to be measured and cut in advance, which can easily lead to errors; the feeding speed is difficult to control, which can easily cause the strip to loosen or break; and the strip is difficult to maintain a stable state during feeding, affecting the straightness of the sewing. Utility Model Content

[0003] In response to the shortcomings of the existing technology, the utility model provides a feeding mechanism for a double-sided automatic sewing workstation, which overcomes the shortcomings of the existing technology, has a reasonable design, and adopts automated strip material feeding, which reduces the requirements for worker proficiency while improving production efficiency and quality. In addition, the feeding guide groove is used to ensure that the feeding is stable, straight, and without deviation, thereby effectively improving the accuracy of the sewing operation.

[0004] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0005] A feeding mechanism for a double-sided automatic sewing workstation comprises a support frame, a horizontal frame is provided at the upper end of the support frame, a material reel is rotatably connected to the front side of the horizontal frame via a mounting shaft, the material reel is used to store strip materials for feeding, a discharge guide wheel is rotatably connected to the front side of the horizontal frame, a feed guide wheel assembly is rotatably connected to the front side of the support frame, a feed guide groove is fixedly installed below the front side of the support frame, and the end of the strip material passes through the discharge guide wheel and the feed guide wheel assembly in sequence and is output from the output port of the feed guide groove after passing through the feed guide groove;

[0006] The surface of the feeding guide groove is respectively provided with a conveying through-hole and a cutting through-hole that pass through on the left and right, and the conveying through-hole is located above the cutting through-hole; a driving wheel and a pressure wheel telescopic cylinder are respectively provided on the left and right sides of the conveying through-hole, and the driving wheel is installed on the driving shaft of the conveying motor, and the conveying motor is fixedly installed on the rear side of the support frame; the pressure wheel telescopic cylinder is fixedly installed on the front side of the support frame, and the pressure wheel is installed on the end of the telescopic shaft of the pressure wheel telescopic cylinder through the rotating shaft seat, and the outer circumference of the pressure wheel cooperates with the outer circumference of the driving wheel through the conveying through-hole; a fixed knife and a cutter telescopic cylinder are respectively provided on the left and right sides of the cutting through-hole, and the fixed knife and the cutter telescopic cylinder are both fixedly installed on the front side of the support frame, and the cutter is installed on the end of the telescopic shaft of the cutter telescopic cylinder, and the cutter cooperates with the fixed knife through the cutting through-hole.

[0007] Preferably, a discharge drive motor is installed on the rear side of the cross frame, and the driving end of the discharge drive motor passes through the cross frame and is fixedly installed with an active guide wheel. The end of the strip material passes around the discharge guide wheel, the active guide wheel, and the feeding guide wheel group in turn and then enters the feeding guide groove.

[0008] Preferably, a reeling telescopic cylinder is provided above the discharging guide wheel, and the reeling telescopic cylinder is fixedly mounted on a horizontal frame. The lower end of the reeling telescopic cylinder is movably connected to a rotating shaft seat through a telescopic shaft, and a driven wheel is connected to the rotating shaft seat. The outer circumference of the driven wheel cooperates with the outer circumference on the discharging guide wheel.

[0009] Preferably, the feed guide wheel group includes an upper guide wheel and a lower guide wheel; the upper guide wheel and the lower guide wheel are respectively rotatably mounted on the front side of the support frame through a positioning shaft.

[0010] Preferably, a slide rail is vertically fixedly installed on the front side of the support frame, a slider is slidably connected to the outer surface of the slide rail, and a cache wheel is rotatably installed on the outer surface of the slider through a rotating shaft. The end of the strip material passes through the discharge guide wheel, the active guide wheel, the cache wheel, and the feeding guide wheel group in turn and then enters the feeding guide groove.

[0011] Preferably, a guide seat is fixedly installed on the front side of the horizontal frame, and the end of the strip material passes through the guide seat. A photoelectric switch is installed above the guide seat, and the sensing end of the photoelectric switch corresponds to the strip material.

[0012] Preferably, the output end of the feed guide trough is provided with a discharge bottom plate, a movable bracket is installed on the side of the discharge bottom plate, a fixed block is fixedly installed on the side of the support frame, a fine-tuning screw is connected to the middle of the fixed block by a thread, and the screw end of the fine-tuning screw passes through the fixed block and is connected to the movable bracket;

[0013] An upper cover plate is installed above the discharging bottom plate, and strip holes are radially provided on the edge of the upper surface of the upper cover plate. Fixing bolts are installed on the strip holes, and the fixing bolts pass through the strip holes and are threadedly connected to the discharging bottom plate.

[0014] Preferably, an adjustment bracket is fixedly installed on the side of the support frame, a laser ranging sensor is installed on the side of the adjustment bracket, a through hole is opened on the surface of the upper cover plate, and the sensing end of the laser ranging sensor passes through the through hole and corresponds to the strip.

[0015] The utility model provides a feeding mechanism for a double-sided automatic sewing workstation. It has the following beneficial effects: through the guiding action of the feed guide groove, the strip material can be output from the output port of the feed guide groove stably and straightly without deviation, thereby improving the accuracy of the sewing operation. The conveying motor then drives the driving wheel to rotate, thereby enabling the strip material to be conveyed through the friction between the driving wheel and the strip material. The power of the conveying motor is controlled to achieve precise control of the speed and number of revolutions of the driving wheel, thereby ensuring that the strip material can be output from the output port of the feed guide groove at a stable and uniform speed. When the length of the output strip material meets the requirements, the telescopic shaft of the cutter telescopic cylinder is controlled to extend, driving the cutter to extend, so that the cutter can pass through the cutting hole and tangent to the fixed knife, thereby achieving automatic shearing of the strip material. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for describing the prior art.

[0017] Figure 1 A schematic structural diagram of the utility model;

[0018] Figure 2 A schematic diagram of the partial structure of the utility model;

[0019] Figure 3 Schematic diagram of the installation structure of the feeding guide groove in the utility model;

[0020] Figure 4 A schematic diagram of the structure of the cooperation between the cutting knife and the fixed knife in the utility model;

[0021] Description of the numbers in the figure:

[0022] 1. Support frame; 2. Horizontal frame; 3. Material reel; 4. Discharge guide wheel; 5. Feed guide wheel assembly; 6. Feed guide groove; 7. Conveying through hole; 8. Cutting through hole; 9. Active wheel; 10. Pressing wheel telescopic cylinder; 11. Pressing wheel; 12. Fixed knife; 13. Cutter telescopic cylinder; 14. Cutter; 15. Discharge drive motor; 16. Active guide wheel; 17. Output motor; 18. Rotating shaft seat; 19. Driven wheel; 20. Slide rail; 21. Slider; 22. Cache wheel; 23. Guide seat; 24. Photoelectric switch; 25. Discharge bottom plate; 26. Moving bracket; 27. Fine-tuning screw; 28. Upper cover; 29. ​​Adjusting bracket; 30. Laser distance sensor; 31. Unwinding telescopic cylinder; 32. Fixed block; 51. Upper guide wheel; 52. Lower guide wheel. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention.

[0024] Example 1, as Figure 1-4 As shown, a feeding mechanism for a double-sided automatic sewing workstation includes a support frame 1, a horizontal frame 2 is provided at the upper end of the support frame 1, the horizontal frame 2 and the support frame 1 are an integrated structure, the front side of the horizontal frame 2 is rotatably connected to a material reel 3 through a mounting shaft, the material reel 3 is used to store strips for feeding, the front side of the horizontal frame 2 is rotatably connected to a discharge guide wheel 4 through a mounting shaft, the front side of the support frame 1 is rotatably connected to a feed guide wheel group 5 through a mounting shaft, and a feed guide groove 6 is fixedly installed at the lower front side of the support frame 1, and the end of the strip material passes around the discharge guide wheel 4 and the feed guide wheel group 5 in sequence, and passes through the feed guide groove 6 and is output from the output port of the feed guide groove 6;

[0025] The surfaces of the feeding guide groove 6 are respectively provided with a conveying through-hole 7 and a cutting through-hole 8 that pass through on the left and right sides, and the conveying through-hole 7 is located above the cutting through-hole 8; a driving wheel 9 and a pressure wheel telescopic cylinder 10 are respectively provided on the left and right sides of the conveying through-hole 7, and the driving wheel 9 is mounted on the driving shaft of the conveying motor 17. In the present embodiment, the conveying motor 17 is fixedly mounted on the rear side of the support frame 1, and the driving shaft of the conveying motor 17 passes through the support frame 1 and is connected to the driving wheel 9; the pressure wheel telescopic cylinder 10 is fixedly mounted on the front side of the support frame 1, and the telescopic shaft end of the pressure wheel telescopic cylinder 10 is rotatably mounted with a pressure wheel 11 through a rotating shaft seat, and the outer circumference of the pressure wheel 11 cooperates with the outer circumference of the driving wheel 9 through the conveying through-hole 7; a fixed knife 12 and a cutter telescopic cylinder 13 are respectively provided on the left and right sides of the cutting through-hole 8, and the fixed knife 12 and the cutter telescopic cylinder 13 are both fixedly mounted on the front side of the support frame 1, and the telescopic shaft end of the cutter telescopic cylinder 13 is equipped with a cutter 14, and the cutter 14 cooperates with the fixed knife 12 through the cutting through-hole 8.

[0026] Working principle:

[0027] During the first use, the strip material is first guided by the discharge guide wheel 4 and the feed guide wheel group 5 to guide the end of the strip material into the feed guide groove 6, and then the strip material is output from the output port of the feed guide groove 6 through the guiding action of the feed guide groove 6; then the telescopic shaft of the pressure wheel telescopic cylinder 10 is controlled to extend, so that the pressure wheel 11 cooperates with the outer circumference of the driving wheel 9 through the conveying through hole 7, so that the strip material is tightly pressed between the driving wheel 9 and the pressure wheel 11.

[0028] Afterwards, the conveying motor 17 can be controlled to rotate to drive the driving wheel 9, thereby conveying the strip material through the friction between the driving wheel 9 and the strip material. The power of the conveying motor 17 can be controlled to accurately control the speed and number of revolutions of the driving wheel 9, thereby ensuring that the strip material can be discharged from the output port of the feeding guide trough 6 at a stable and uniform speed, and further achieving a straight discharge of the strip material through the feeding guide trough 6. When the length of the discharged strip material meets the required length, the conveying motor 17 is controlled to stop and the telescopic shaft of the cutter telescopic cylinder 13 is controlled to extend to drive the cutter 14 to extend, so that the cutter 14 can pass through the cutting hole 8 and cooperate with the fixed knife 12 to cut the strip material.

[0029] Afterwards, the telescopic shaft of the cutter telescopic cylinder 13 is controlled to retract to drive the cutter 14 to retract to the initial position, and then the conveying motor 17 is controlled to operate to drive the strip material to be conveyed to the output port position of the feeding guide groove 6 again through the driving wheel 9 to carry out the feeding of the next section of strip material.

[0030] In the second embodiment, as a further preferred embodiment of the first embodiment, a discharge drive motor 15 is installed on the rear side of the horizontal frame 2. The driving end of the discharge drive motor 15 passes through the horizontal frame 2 and is fixedly mounted with a driving guide wheel 16. The end of the strip material passes through the discharge guide wheel 4, the driving guide wheel 16, and the feed guide wheel group 5 in sequence before entering the feed guide groove 6. Therefore, when conveying the strip material, the discharge drive motor 15 can be controlled to operate to drive the driving guide wheel 16 to rotate. Then, the friction between the driving guide wheel 16 and the strip material can be used to drive the strip material on the material reel 3 to be effectively discharged, avoiding the problem of excessive force on the strip material and causing it to break when the strip material is conveyed only by the operation of the conveying motor 17 and the driving wheel 9.

[0031] In the third embodiment, as a further preferred embodiment of the first embodiment, a reeling telescopic cylinder 31 is provided above the discharge guide wheel 4. The reeling telescopic cylinder 31 is fixedly mounted on the horizontal frame 2. The lower end of the reeling telescopic cylinder 31 is movably connected to the rotating shaft seat 18 via a telescopic shaft. A driven wheel 19 is rotatably connected within the rotating shaft seat 18. The outer circumference of the driven wheel 19 cooperates with the outer circumference of the discharge guide wheel 4. Therefore, when the strip material passes around the discharge guide wheel 4, the telescopic shaft of the reeling telescopic cylinder 31 can be controlled to extend to drive the driven wheel 19 to press against the outer circumference of the discharge guide wheel 4, so that the strip material is clamped between the driven wheel 19 and the discharge guide wheel 4, thereby ensuring the stability of the strip material during transportation.

[0032] Embodiment 4, as a further preferred embodiment of embodiment 2, comprises a feed guide wheel assembly 5 comprising an upper guide wheel 51 and a lower guide wheel 52; the upper guide wheel 51 and the lower guide wheel 52 are each rotatably mounted on the front side of the support frame 1 via a positioning shaft. A slide rail 20 is vertically fixedly mounted on the front side of the support frame 1, and a slider 21 is slidably connected to the outer surface of the slide rail 20. A buffer wheel 22 is rotatably mounted on the outer surface of the slider 21 via a rotating shaft. The end of the strip material passes through the discharge guide wheel 4, the active guide wheel 16, the buffer wheel 22, the upper guide wheel 51, and the lower guide wheel 52 in sequence before entering the feed guide trough 6.

[0033] Therefore, when the active guide wheel 16 is rotated by the discharge drive motor 15 to output the strip material, the gravity of the buffer wheel 22 can be used to vertically press the output strip material along the slide rail 20, thereby effectively caching the strip material and ensuring that the strip material can always remain straight through the gravity downward pressure of the buffer wheel 22. This avoids the problem of loosening and wandering of the pre-stored strip material. In this embodiment, it is necessary to control the coordinated operation of the discharge drive motor 15 and the conveying motor 17 through a controller to avoid the problem of loosening or breaking of the strip material caused by inconsistent feeding and discharging speeds. This then achieves the pre-storage and coordinated output of the strip material.

[0034] In Example 5, a further preferred embodiment of Example 1, a guide seat 23 is fixedly mounted on the front side of the horizontal frame 2. The end of the strip material passes through the guide seat 23. A photoelectric switch 24 is mounted above the guide seat 23. The sensing end of the photoelectric switch 24 corresponds to the strip material. In this embodiment, the signal output end of the photoelectric switch 24 is connected to the signal input end of the controller. Thus, the photoelectric switch 24 can detect the presence of the strip material in the guide seat 23. When the material in the material reel 3 is exhausted, the photoelectric switch 24 outputs a signal to the controller, which then controls the alarm to sound an alarm, reminding the worker to reload the material.

[0035] Example six, as a further preferred embodiment of Example one, the output end of the feed guide groove 6 is provided with a discharge base plate 25, and a movable bracket 26 is installed on the side of the discharge base plate 25, and a fixed block 32 is fixedly installed on the side of the support frame 1, and a fine-tuning screw 27 is connected to the middle of the fixed block 32 by a thread, and the screw end of the fine-tuning screw 27 passes through the fixed block 32 and is connected to the movable bracket 26; an upper cover plate 28 is installed on the top of the discharge base plate 25, and a strip hole is radially provided on the edge position of the upper surface of the upper cover plate 28, and a fixing bolt is installed on the strip hole, and the fixing bolt passes through the strip hole and is threadedly connected to the discharge base plate 25.

[0036] A discharge base plate 25 is provided at the output end of the feed guide trough 6. The fine-tuning screw 27 is rotated to push the discharge base plate 25 through the movable bracket 26 for lateral fine-tuning, ensuring that the position of the strips discharged meets the sewing position requirements. An upper cover plate 28 is provided and fixed to the discharge base plate 25 through the strip-shaped holes, forming a strip discharge outlet. The width of the outlet can be adjusted by adjusting the position of the upper cover plate 28 relative to the discharge base plate 25, thereby achieving the desired feeding effect for strips of different sizes and widths.

[0037] Example 7, as a further preferred embodiment of Example 1, an adjustment bracket 29 is fixedly mounted on the side of the support frame 1, and a laser ranging sensor 30 is mounted on the side of the adjustment bracket 29. A through-hole is formed on the surface of the upper cover plate 28, and the sensing end of the laser ranging sensor 30 passes through the through-hole and corresponds to the strip. In this embodiment, a waist-shaped hole is provided in the adjustment bracket 29, so that the laser ranging sensor 30 is fixed to the waist-shaped hole in the adjustment bracket 29 via bolts. The waist-shaped hole can then be used to adjust the position of the laser ranging sensor 30 relative to the adjustment bracket 29 to ensure that the sensing end of the laser ranging sensor 30 corresponds vertically with the through-hole on the surface of the upper cover plate 28.

[0038] In addition, in this embodiment, the signal output end of the laser distance sensor 30 and the signal output end of the photoelectric switch 24 are both connected to the signal input end of the controller, and the signal output end of the controller is respectively connected to the signal input ends of the pinch roller telescopic cylinder 10, the cutter telescopic cylinder 13, the discharge drive motor 15, and the output motor 17. Thus, the control chip within the controller can realize the drive control of the pinch roller telescopic cylinder 10, the cutter telescopic cylinder 13, the discharge drive motor 15, and the output motor 17. Thus, the laser distance sensor 30 can detect the length of the discharged strip material. According to the set parameters, when the discharged strip material length meets the requirements, the laser distance sensor 30 will transmit a signal to the controller. After the controller processes and analyzes the signal, it controls the output motor 17 to stop running and controls the telescopic end of the cutter telescopic cylinder 13 to extend, so that the cutter 14 and the fixed knife 12 cooperate to cut the strip material.

[0039] In the present invention, the photoelectric switch 24 and the laser ranging sensor 30 both adopt well-known technical solutions in the prior art, which are already understood by those skilled in the art and will not be described in detail here.

[0040] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features thereof can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A feeding mechanism for a double-sided automatic sewing workstation, characterized by: The invention comprises a support frame (1), wherein a horizontal frame (2) is provided at the upper end of the support frame (1), a material reel (3) is rotatably connected to the front side of the horizontal frame (2) via a mounting shaft, and the material reel (3) is used for storing strip-shaped materials for feeding, a discharge guide wheel (4) is rotatably connected to the front side of the horizontal frame (2), a feed guide wheel group (5) is rotatably connected to the front side of the support frame (1), and a feed guide groove (6) is fixedly installed below the front side of the support frame (1) and is connected vertically, and the end of the strip-shaped material passes through the discharge guide wheel (4) and the feed guide wheel group (5) in sequence, and passes through the feed guide groove (6) and is output from the output port of the feed guide groove (6); The surface of the feeding guide groove (6) is respectively provided with a conveying through hole (7) and a cutting through hole (8) which are respectively through on the left and right sides, and the conveying through hole (7) is located above the cutting through hole (8); a driving wheel (9) and a pressure wheel telescopic cylinder (10) are respectively provided on the left and right sides of the conveying through hole (7), and the driving wheel (9) is installed on the driving shaft of the conveying motor (17), and the conveying motor (17) is fixedly installed on the rear side of the support frame (1); the pressure wheel telescopic cylinder (10) is fixedly installed on the front side of the support frame (1), and the pressure wheel telescopic cylinder (10) is fixedly installed on the front side of the support frame (1). A pressure wheel (11) is installed at the end of the telescopic shaft through a rotating shaft seat, and the outer circumference of the pressure wheel (11) cooperates with the outer circumference of the driving wheel (9) through the conveying through hole (7); a fixed knife (12) and a cutter telescopic cylinder (13) are respectively provided on the left and right sides of the cutting through hole (8), and the fixed knife (12) and the cutter telescopic cylinder (13) are both fixedly installed on the front side of the support frame (1), and a cutter (14) is installed at the end of the telescopic shaft of the cutter telescopic cylinder (13), and the cutter (14) cooperates with the fixed knife (12) through the cutting through hole (8).

2. A feeding mechanism for a double-sided automatic sewing workstation according to claim 1, characterized in that: A discharge drive motor (15) is installed on the rear side of the horizontal frame (2). The driving end of the discharge drive motor (15) passes through the horizontal frame (2) and is fixedly installed with an active guide wheel (16). The end of the strip material passes through the discharge guide wheel (4), the active guide wheel (16), and the feed guide wheel group (5) in sequence and then enters the feed guide groove (6).

3. The feeding mechanism for a double-sided automatic sewing workstation according to claim 1, characterized in that: A reeling telescopic cylinder (31) is provided above the discharging guide wheel (4), and the reeling telescopic cylinder (31) is fixedly mounted on the horizontal frame (2). The lower end of the reeling telescopic cylinder (31) is movably connected to a rotating shaft seat (18) through a telescopic shaft, and a driven wheel (19) is connected inside the rotating shaft seat (18). The outer circumference of the driven wheel (19) cooperates with the outer circumference of the discharging guide wheel (4).

4. The feeding mechanism for a double-sided automatic sewing workstation according to claim 1, characterized in that: The feeding guide wheel group (5) comprises an upper guide wheel (51) and a lower guide wheel (52); the upper guide wheel (51) and the lower guide wheel (52) are both rotatably mounted on the front side of the support frame (1) via positioning shafts.

5. The feeding mechanism for a double-sided automatic sewing workstation according to claim 2, characterized in that: A slide rail (20) is vertically fixedly installed on the front side of the support frame (1), and a slider (21) is slidably connected to the outer surface of the slide rail (20). A cache wheel (22) is rotatably installed on the outer surface of the slider (21) via a rotating shaft. The end of the strip material passes through the discharge guide wheel (4), the active guide wheel (16), the cache wheel (22), and the feed guide wheel group (5) in sequence before entering the feed guide groove (6).

6. The feeding mechanism for a double-sided automatic sewing workstation according to claim 1, characterized in that: A guide seat (23) is fixedly installed on the front side of the horizontal frame (2), and the end of the strip material passes through the guide seat (23). A photoelectric switch (24) is installed above the guide seat (23), and the sensing end of the photoelectric switch (24) corresponds to the strip material.

7. The feeding mechanism for a double-sided automatic sewing workstation according to claim 1, characterized in that: The output end of the feeding guide groove (6) is provided with a discharge bottom plate (25), a movable bracket (26) is installed on the side of the discharge bottom plate (25), a fixed block (32) is fixedly installed on the side of the support frame (1), a fine-tuning screw (27) is connected to the middle of the fixed block (32) through a thread, and the screw end of the fine-tuning screw (27) passes through the fixed block (32) and is connected to the movable bracket (26); The discharge bottom plate (25) is covered with an upper cover plate (28), and a strip hole is radially provided at the edge of the upper surface of the upper cover plate (28). A fixing bolt is installed on the strip hole, and the fixing bolt passes through the strip hole and is threadedly connected to the discharge bottom plate (25).

8. The feeding mechanism for a double-sided automatic sewing workstation according to claim 7, characterized in that: An adjustment bracket (29) is fixedly mounted on the side of the support frame (1), a laser distance sensor (30) is mounted on the side of the adjustment bracket (29), a through hole is opened on the surface of the upper cover plate (28), and a sensing end of the laser distance sensor (30) passes through the through hole and corresponds to the strip.

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