A hanging button positioning feeder

Abstract

The present invention discloses a hanging button positioning feeder, which relates to the technical field of button feeding, and comprises a base plate, the top of which is fixedly connected to a third motor, the output end of the third motor is fixedly connected to a rotating block, and the top of the rotating block is fixedly connected to a second electric telescopic rod. The hanging button positioning feeder is provided with an expansion belt, a friction belt and a pressure plate, and can pass the expanded expansion belt through the threading holes on the buttons to detect the positions of the threading holes, and then adjust the positions of the threading holes on the buttons to positions corresponding to the sewing needles on the sewing machine for threading, so as to prevent the threading holes from being incorrectly positioned, resulting in the inability to thread, requiring manual troubleshooting and wasting working time. The buttons with different numbers of threading holes can be identified, adjusted and positioned by the expansion belt and the friction belt.

Description

Technical Field

[0001] The invention relates to the technical field of button feeding, in particular to a hanging button positioning feeder. Background Art

[0002] A button feeder is an automated device used in the clothing, footwear, and other manufacturing industries. Its primary function is to precisely control the automatic delivery of buttons to designated workstations (such as sewing machines or stamping dies), enabling efficient and continuous button fastening. However, when the button feeder is conveying buttons, the threading holes on the buttons need to align with the sewing needle on the sewing machine. However, after vibratory loading, the threading holes on the buttons do not align with the needle, resulting in threading problems and requiring manual troubleshooting. Summary of the Invention

[0003] In view of the deficiencies in the prior art, the present invention provides a hanging button positioning feeder, which solves the problems raised in the above background technology.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a suspended button positioning feeder comprises a base plate, the top of the base plate is fixedly connected to a third motor, an output end of the third motor is fixedly connected to a rotating block, the top of the rotating block is fixedly connected to a second electric telescopic rod, the telescopic end of the second electric telescopic rod is fixedly connected to a fixed block, the top of the fixed block is fixedly connected to the second motor, and the output end of the second motor is fixedly connected to a winding box, the winding box is rotatably connected to the first winding roller, the winding box is inside and is located on one side of the first winding roller, and the first connecting belt is wrapped around the outside of the first winding roller, one end of the first connecting belt is fixedly connected to the expansion belt, one end of the expansion belt is fixedly connected to the second connecting belt, one end of the second connecting belt is fixedly connected to the adsorption belt, one end of the adsorption belt is fixedly connected to the third connecting belt, and one end of the third connecting belt is connected to the outside of the second winding roller.

[0005] Optionally, the top of the base plate is fixedly connected to a vibrating loader, one side of the vibrating loader is fixedly connected to a bottom rail, the top of the bottom rail is fixedly connected to a side plate, the top of the bottom rail is fixedly connected to a top block, one side of the top block is fixedly connected to a first electric telescopic rod, the telescopic end of the first electric telescopic rod extends to the top of the bottom rail and is fixedly connected to a stop block, the top of the top block is fixedly connected to the top plate, the bottom of the top plate is fixedly connected to a pressure plate, and the top of the bottom rail and in front of the side plate is fixedly connected to a main board.

[0006] Optionally, one side of the winding box is fixedly connected to a first motor, one side of the winding box is provided with a first rotary joint, one side of the winding box and located on the side of the first rotary joint is fixedly connected to a first pump, one side of the winding box and located on the right side of the first pump is fixedly connected to an air box, one end of the first pump is connected to one end of the first rotary joint, the other end of the first pump extends to the inside of the air box, a second pipe is fixedly connected to the inside of the first winding roller, one end of the second pipe extends to the outside of the first winding roller and is connected to one end of the first rotary joint, the output end of the first motor is fixedly connected to one end of the first winding roller, one end of the second pipe is connected to the inside of the expansion belt through a hose, and a friction belt is fixedly connected to the surface of the expansion belt.

[0007] Optionally, a hollow cavity is provided inside the adsorption belt, and a plurality of suction holes are provided at the top and bottom of the adsorption belt, and an annular cavity is provided inside the adsorption belt and on the outside of the suction hole located above, and an annular plate is slidably connected to the inside of the annular cavity, and the bottom of the annular plate is fixedly connected to a plug, and the bottom end of the plug extends to the bottom of the adsorption belt and extends to the inside of the suction hole, and a plurality of supporting springs are fixedly connected to the top of the annular cavity, and the bottom ends of the supporting springs are fixedly connected to the top of the annular plate, and the bottom of the annular cavity and the bottom of the annular plate are fixedly connected to an electromagnet, and a plurality of top columns are fixedly connected to the top of the annular plate, and a top hole is provided at the top of the adsorption belt and above the top column, and the top end of the top column extends to the inside of the top hole and is fixedly connected to a pressure sensor.

[0008] Optionally, a second rotary joint is fixedly installed on one side of the winding box, and a second pump is fixedly connected to one side of the winding box and located on the second rotary joint, one end of the second pump is fixedly connected to one end of the second rotary joint, a first pipe is installed inside the second winding roller, one end of the first pipe is connected to the interior of the hollow cavity through a hose, one end of the second winding roller extends to the outside of the winding box, and the other end of the first pipe is connected to one end of the second rotary joint, one side of the winding box is fixedly connected to a fixed box, one side of the fixed box is fixedly connected to a second servo motor, the output end of the second servo motor extends to the inside of the fixed box, and the other end of the second winding roller extends to the inside of the fixed box, and the output end of the second servo motor and the outside of the second winding roller are fixedly sleeved with meshing drive gears.

[0009] Optionally, a third electronic rotary joint is installed on one side of the fixed box, a connecting wire is installed inside the second winding roller, and one end of the connecting wire is connected to the third electronic rotary joint.

[0010] Optionally, the third electronic rotary joint is connected to the control and power supply via a wire, and the other end of the connecting wire is electrically connected to the pressure sensor and the electromagnet.

[0011] Optionally, a positioning groove is provided at the bottom of the bottom rail, and the top of the winding box is located inside the positioning groove.

[0012] The present invention provides a hanging button positioning feeder, which has the following beneficial effects:

[0013] 1. The hanging button positioning feeder is provided with an expansion belt, a friction belt and a pressure plate. The expanded expansion belt can pass through the threading hole on the button to detect the position of the threading hole, and then adjust the position of the threading hole on the button to a position corresponding to the sewing needle on the sewing machine for threading, thereby preventing the threading hole from being positioned incorrectly, resulting in a situation where threading cannot be performed, requiring manual troubleshooting and wasting working time. The expansion belt and the friction belt can be used to identify, adjust and position buttons with different numbers of threading holes.

[0014] 2. The hanging button positioning feeder is equipped with a plug, a hollow cavity and a suction hole. The position of the buttons is limited by the suction holes on the upper and lower surfaces of the suction belt, so that the buttons are transported to the sewing machine for sewing. The suction holes can be controlled to switch, so that a variety of small buttons can be positioned and fixed for transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0016] Figure 2 This is a schematic diagram of the button adjustment structure of the present invention;

[0017] Figure 3 This is a schematic diagram of the button adsorption and fixing structure of the present invention;

[0018] Figure 4 Schematic diagram of the structure between the first winding roller and the second winding roller of the present invention;

[0019] Figure 5 This is a structural diagram of the fixing frame of the present invention;

[0020] Figure 6 This is a schematic diagram of the winding box structure from a top view of the present invention;

[0021] Figure 7 This is a schematic diagram of the structure of the bottom rail of the present invention from a top view;

[0022] Figure 8 For the present invention Figure 3 Enlarged view of point A.

[0023] In the figure: 1. bottom plate; 2. vibrating loader; 3. bottom rail; 4. side plate; 5. top block; 6. first electric telescopic rod; 7. stopper; 8. main board; 9. positioning groove; 10. winding box; 12. first winding roller; 13. first connecting belt; 14. expansion belt; 15. friction belt; 16. second connecting belt; 17. suction belt; 18. second winding roller; 19. third connecting belt; 20. first pipe; 21. hollow cavity; 22. suction hole; 23. annular cavity; 24. annular plate; 25. electromagnet; 26. plug; 27. support spring; 28. top column; 29. top hole; 30. pressure sensor; 32. first rotary Connector; 33. First pump; 34. Air box; 35. Second pump; 36. Second rotary joint; 37. First motor; 38. Fixed box; 39. Second servo motor; 40. Drive gear; 41. Third electronic rotary joint; 42. Control and power supply; 43. Connecting line; 44. Second motor; 45. Fixed block; 46. Third motor; 47. Rotating block; 48. Second electric telescopic rod; 49. Connecting frame; 50. Third electric telescopic rod; 51. Top platform; 52. Sewing machine; 53. Fixed frame; 54. Fourth electric telescopic rod; 55. Clamping block; 56. Top plate; 57. Pressure plate; 58. Second pipeline. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] Example 1

[0026] See also Figures 1 to 4 、 Figures 6 to 8 The present invention provides a technical solution: a hanging button positioning feeder, comprising a bottom plate 1, a third motor 46 is fixedly connected to the top of the bottom plate 1, an output end of the third motor 46 is fixedly connected to a rotating block 47, a second electric telescopic rod 48 is fixedly connected to the top of the rotating block 47, a telescopic end of the second electric telescopic rod 48 is fixedly connected to a fixed block 45, a second motor 44 is fixedly connected to the top of the fixed block 45, an output end of the second motor 44 is fixedly connected to a winding box 10, and the winding box 10 is rotatably connected to the first The winding roller 12 and the second winding roller 18 are rotatably connected inside the winding box 10 and located on one side of the first winding roller 12. The first connecting belt 13 is wrapped around the outside of the first winding roller 12. One end of the first connecting belt 13 is fixedly connected to the expansion belt 14. One end of the expansion belt 14 is fixedly connected to the second connecting belt 16. One end of the second connecting belt 16 is fixedly connected to the adsorption belt 17. One end of the adsorption belt 17 is fixedly connected to the third connecting belt 19. One end of the third connecting belt 19 is connected to the outside of the second winding roller 18.

[0027] Among them, the top of the bottom plate 1 is fixedly connected to the vibrating loader 2, one side of the vibrating loader 2 is fixedly connected to the bottom rail 3, the top of the bottom rail 3 is fixedly connected to the side panel 4, the top of the bottom rail 3 is fixedly connected to the top block 5, one side of the top block 5 is fixedly connected to the first electric telescopic rod 6, the telescopic end of the first electric telescopic rod 6 extends to the top of the bottom rail 3 and is fixedly connected to the stopper 7, the top of the top block 5 is fixedly connected to the top plate 56, the bottom of the top plate 56 is fixedly connected to the pressure plate 57, the top of the bottom rail 3 and the front of the side panel 4 are fixedly connected with the main board 8, the stopper 7 is pushed to move by the telescopic end of the first electric telescopic rod 6, and the electric telescopic rods installed on both sides of the side panel 4 and the main board 8 push the adjustment plate located on the inner side of the main board 8 and the side panel 4 to transport buttons of different diameters.

[0028] Among them, a first motor 37 is fixedly connected to one side of the winding box 10, a first rotary joint 32 is provided on one side of the winding box 10, a first pump 33 is fixedly connected to one side of the winding box 10 and located on one side of the first rotary joint 32, and an air box 34 is fixedly connected to one side of the winding box 10 and located on the right side of the first pump 33. One end of the first pump 33 is connected to one end of the first rotary joint 32, and the other end of the first pump 33 extends into the inside of the air box 34. A second pipe 58 is fixedly connected to the inside of the first winding roller 12, one end of the second pipe 58 extends to the outside of the first winding roller 12 and is connected to one end of the first rotary joint 32, the output end of the first motor 37 is fixedly connected to one end of the first winding roller 12, and one end of the second pipe 58 is connected to the inside of the expansion belt 14 through a hose, and a friction belt 15 is fixedly connected to the surface of the expansion belt 14, and the button is driven to rotate by the friction belt 15 and the expansion belt 14 to adjust the position of the threading hole on the button.

[0029] Among them, a hollow cavity 21 is opened inside the adsorption belt 17, and a plurality of suction holes 22 are opened at the top and bottom of the adsorption belt 17. An annular cavity 23 is opened inside the adsorption belt 17 and on the outside of the suction hole 22 located above. An annular cavity 23 is slidably connected to an annular plate 24, and the bottom of the annular plate 24 is fixedly connected to a plug 26. The bottom end of the plug 26 extends to the bottom of the adsorption belt 17 and extends to the inside of the suction hole 22. The top of the inner cavity of the annular cavity 23 is fixedly connected to a plurality of support springs 27, and the bottom end of the support spring 27 is connected to the annular plate 24. The top is fixedly connected, the bottom of the inner cavity of the annular cavity 23 and the bottom of the annular plate 24 are fixedly connected with an electromagnet 25, the top of the annular plate 24 is fixedly connected with a number of top pillars 28, the top of the adsorption belt 17 and above the top pillars 28 are provided with top holes 29, the top ends of the top pillars 28 extend to the inside of the top holes 29 and are fixedly connected with pressure sensors 30, and the pressure sensor 30 detects whether there is a button above the suction hole 22, thereby controlling the suction hole 22 to be opened or closed, and the inner cavity of the annular cavity 23 and the outside of the plug 26 are fixedly connected with a sealing gasket.

[0030] Among them, a second rotary joint 36 is fixedly installed on one side of the winding box 10, and a second pump 35 is fixedly connected to one side of the winding box 10 and located on one side of the second rotary joint 36. One end of the second pump 35 is fixedly connected to one end of the second rotary joint 36. A first pipe 20 is installed inside the second winding roller 18, and one end of the first pipe 20 is connected to the inside of the hollow cavity 21 through a hose. One end of the second winding roller 18 extends to the outside of the winding box 10, and the other end of the first pipe 20 is connected to one end of the second rotary joint 36. A fixed box 38 is fixedly connected to one side of the winding box 10, and a second servo motor 39 is fixedly connected to one side of the fixed box 38. The output end of the second servo motor 39 extends to the inside of the fixed box 38. The other end of the second winding roller 18 extends to the inside of the fixed box 38, and the output end of the second servo motor 39 and the outer side of the second winding roller 18 are fixedly sleeved with a meshing drive gear 40. A third electronic rotary joint 41 is installed on one side of the fixed box 38, and a connecting line 43 is installed inside the second winding roller 18. One end of the connecting line 43 is connected to the third electronic rotary joint 41, and the third electronic rotary joint 41 is connected to the control and power supply 42 through a wire. The other end of the connecting line 43 is electrically connected to the pressure sensor 30 and the electromagnet 25. The pressure sensor 30 and the electromagnet 25 can be controlled, data transmitted and powered by the control and power supply 42 through the wire, the third electronic rotary joint 41 and the connecting line 43.

[0031] A positioning groove 9 is provided at the bottom of the bottom rail 3 , and the top of the winding box 10 is located inside the positioning groove 9 . Through the positioning groove 9 , the winding box 10 can contact the bottom of the button.

[0032] Example 2

[0033] See also Figure 1 and Figure 5 The present invention provides a technical solution: a connecting frame 49 is fixedly connected to the top of the base plate 1, a sewing machine 52 is fixedly connected to the top of the connecting frame 49, a fixing frame 53 is fixedly connected to the bottom of the sewing machine 52 and located outside the needle, and a fourth electric telescopic rod 54 is fixedly connected to both sides of the fixing frame 53, and a clamping block 55 is fixedly connected to the telescopic end of the fourth electric telescopic rod 54, and the buttons are positioned and fixed by the fourth electric telescopic rod 54 and the clamping block 55.

[0034] Among them, the top of the base plate 1 is fixedly connected to a third electric telescopic rod 50, and the telescopic end of the third electric telescopic rod 50 is fixedly connected to a top platform 51. When the buttons are fixed on the sewing machine 52, the telescopic end of the third electric telescopic rod 50 pushes the top platform 51 to move upward, so that the clothes on the top platform 51 are moved to the sewing position for sewing, and then the telescopic end of the third electric telescopic rod 50 drives the top platform 51 to move downward, and continues to convey the buttons through the winding box 10.

[0035] In summary, when the hanging button positioning feeder is used, the buttons are placed into the vibrating feeder 2, and then the buttons are introduced to the top of the bottom rail 3 through the vibrating feeder 2, and the buttons are moved to the bottom of the top plate 56. At this time, the first pump 33 extracts the gas inside the air box 34, and then discharges the gas into the first rotary joint 32 through the other end of the first pump 33. Then, the gas is input into the expansion belt 14 through the second pipe 58, so that the expansion belt 14 expands, so that one end of the expanded expansion belt 14 enters the hole in the button, and then the expanded expansion belt 14 presses against the pressure plate 57. The bottom of the button is in contact with the pressure plate 57, and the position of the pressure point is detected by the piezoelectric sensor installed inside the pressure plate 57 to detect whether it is in the required position. Then, the output end of the second motor 44 drives the winding box 10 to rotate, so that the winding box 10 drives the button to rotate through the friction belt 15, and the position of the threading hole on the button is adjusted until the position of the pressure point corresponds to the required position. Then, the first pump 33 is started to extract the gas from the first rotary joint 32, the second pipe 58 and the expansion belt 14 through the first pump 33, and then discharge the gas into the gas box 34 for collection and storage.

[0036] The expansion belt 14 contracts, and then the output end of the first motor 37 drives the first winding roller 12 to rotate, so that the first winding roller 12 reels the first connecting belt 13 and the expansion belt 14. At the same time, the output end of the second servo motor 39 drives the driving gear 40 to drive the second winding roller 18 to rotate, so that the second winding roller 18 releases the adsorption belt 17 and the third connecting belt 19, so that the adsorption belt 17 is located below the button, and then the electromagnet 25 is started, so that a mutually repulsive magnetic field is generated between the two vertical electromagnets 25, so that the electromagnet 25 pushes the annular plate 24 and the top column 28 to move upward. If the pressure sensor 30 on the top column 28 detects no pressure value, it proves that there is no button above the suction hole 22. At this time, the top end of the plug 26 is inserted into the suction hole 22 to seal the inside of the suction hole 22. If the pressure sensor 30 on the top column 28 detects a pressure value, it proves that there is a button above the first rotary joint 32. At this time, the electromagnet 25 is closed, and the mutually repulsive magnetic field between the two vertical electromagnets 25 disappears. At this time, the support spring 27 pushes the annular plate 24 and one end of the plug 26 to move out of the suction hole 22, so that the inside of the suction hole 22 is opened;

[0037] Then the second pump 35 draws out the air inside the hollow cavity 21 through the second rotary joint 36 and the first pipe 20, so that suction is generated inside the suction hole 22, and the top of the adsorption belt 17 is adsorbed with the bottom of the button, and the bottom of the adsorption belt 17 is adsorbed with the top of the winding box 10. Then the telescopic end of the second electric telescopic rod 48 drives the fixed block 45, the second motor 44 and the winding box 10 to move downward, and then the output end of the third motor 46 drives the rotating block 47, the second electric telescopic rod 48 and the winding box 10 to the bottom of the sewing machine 52, and then the telescopic end of the fourth electric telescopic rod 54 pushes the clamping block 55 to move, so that the two clamping blocks 55 clamp the outside of the knob. At this time, the other end of the second pump 35 draws in outside air through the filter head, and then inputs it to the Inside the hollow cavity 21, the suction force inside the hollow cavity 21 and the suction hole 22 disappears, releasing the adsorption of the button, and then the output end of the first motor 37 drives the first winding roller 12 to reset and rotate, so that the first connecting belt 13 and the expansion belt 14 are released, and at the same time, the output end of the second servo motor 39 drives the driving gear 40 to rotate, so that the driving gear 40 drives the second winding roller 18 to reel the third connecting belt 19, the adsorption belt 17 and the second connecting belt 16, so that the expansion belt 14 is located above the winding box 10, and at the same time, the output end of the third motor 46 drives the rotating block 47 to rotate, so that the rotating block 47 drives the second electric telescopic rod 48 and the winding box 10 to rotate to the bottom of the bottom rail 3, and then the telescopic end of the second electric telescopic rod 48 pushes the top of the winding box 10 to be located inside the positioning groove 9 for subsequent button feeding.

[0038] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A hanging button positioning feeder, comprising a bottom plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected to a third motor (46), the output end of the third motor (46) is fixedly connected to a rotating block (47), the top of the rotating block (47) is fixedly connected to a second electric telescopic rod (48), the telescopic end of the second electric telescopic rod (48) is fixedly connected to a fixed block (45), the top of the fixed block (45) is fixedly connected to a second motor (44), the output end of the second motor (44) is fixedly connected to a winding box (10), the winding box (10) is rotatably connected to a first winding roller (12), the winding box (10) is rotatably connected to a second winding roller (18) located on one side of the first winding roller (12), the first connecting belt (13) is wound around the outside of the first winding roller (12), and one end of the first connecting belt (13) is fixedly connected to an expansion belt. (14), one end of the expansion belt (14) is fixedly connected to the second connection belt (16), one end of the second connection belt (16) is fixedly connected to the adsorption belt (17), one end of the adsorption belt (17) is fixedly connected to the third connection belt (19), one end of the third connection belt (19) is connected to the outer side of the second winding roller (18), the top of the bottom plate (1) is fixedly connected to the vibration loader (2), one side of the vibration loader (2) is fixedly connected to the bottom rail (3), the top of the bottom rail (3) is fixedly connected to the side plate (4), the top of the bottom rail (3) is fixedly connected to the top block (5), the top of the top block (5) is fixedly connected to the top plate (56), the bottom of the top plate (56) is fixedly connected to the pressure plate (57), and the surface of the expansion belt (14) is fixedly connected to the friction belt (15); The button is moved to the bottom of the top plate (56), the expansion belt (14) expands, and one end of the expanded expansion belt (14) enters the hole in the button. The expanded expansion belt (14) contacts the bottom of the pressure plate (57). The position of the pressure point is detected by the piezoelectric sensor installed inside the pressure plate (57) to detect whether it is at the required position. The output end of the second motor (44) drives the winding box (10) to rotate. The winding box (10) drives the button to rotate through the friction belt (15) to adjust the position of the threading hole on the button until the position of the pressure point corresponds to the required position.

2. The hanging button positioning feeder according to claim 1, characterized in that: A first electric telescopic rod (6) is fixedly connected to one side of the top block (5); a telescopic end of the first electric telescopic rod (6) extends above the bottom rail (3) and is fixedly connected to a stopper (7); a main board (8) is fixedly connected to the top of the bottom rail (3) and in front of the side panel (4).

3. The hanging button positioning feeder according to claim 1, characterized in that: A first motor (37) is fixedly connected to one side of the winding box (10), a first rotary joint (32) is provided on one side of the winding box (10), a first pump (33) is fixedly connected to one side of the winding box (10) and located on one side of the first rotary joint (32), an air box (34) is fixedly connected to one side of the winding box (10) and located on the right side of the first pump (33), one end of the first pump (33) is connected to one end of the first rotary joint (32), and the other end of the first pump (33) extends into the interior of the air box (34), a second pipe (58) is fixedly connected to the interior of the first winding roller (12), one end of the second pipe (58) extends to the outside of the first winding roller (12) and is connected to one end of the first rotary joint (32), an output end of the first motor (37) is fixedly connected to one end of the first winding roller (12), and one end of the second pipe (58) is connected to the interior of the expansion belt (14) through a hose.

4. The hanging button positioning feeder according to claim 1, characterized in that: A hollow cavity (21) is provided inside the adsorption belt (17), and a plurality of suction holes (22) are provided at the top and bottom of the adsorption belt (17). An annular cavity (23) is provided inside the adsorption belt (17) and outside the upper suction hole (22). An annular plate (24) is slidably connected to the inside of the annular cavity (23), and a plug (26) is fixedly connected to the bottom of the annular plate (24). The bottom end of the plug (26) extends to the bottom of the adsorption belt (17) and to the inside of the suction hole (22). The inner cavity of the annular cavity (23) is provided with a hollow cavity (21). A plurality of support springs (27) are fixedly connected to the top, the bottom ends of the support springs (27) are fixedly connected to the top of the annular plate (24), the bottom of the inner cavity of the annular cavity (23) and the bottom of the annular plate (24) are fixedly connected to an electromagnet (25), the top of the annular plate (24) is fixedly connected to a plurality of top pillars (28), the top of the adsorption belt (17) and above the top pillars (28) are provided with top holes (29), the top ends of the top pillars (28) extend to the inside of the top holes (29) and are fixedly connected to pressure sensors (30).

5. The hanging button positioning feeder according to claim 1, characterized in that: A second rotary joint (36) is fixedly installed on one side of the winding box (10), and a second pump (35) is fixedly connected to one side of the winding box (10) and located on one side of the second rotary joint (36). One end of the second pump (35) is fixedly connected to one end of the second rotary joint (36). A first pipe (20) is installed inside the second winding roller (18), and one end of the first pipe (20) is connected to the inside of the hollow cavity (21) through a hose. One end of the second winding roller (18) extends to the outside of the winding box (10). The other end of the first pipe (20) is connected to one end of the second rotary joint (36), one side of the winding box (10) is fixedly connected to a fixed box (38), one side of the fixed box (38) is fixedly connected to a second servo motor (39), the output end of the second servo motor (39) extends into the interior of the fixed box (38), the other end of the second winding roller (18) extends into the interior of the fixed box (38), and the output end of the second servo motor (39) and the outer side of the second winding roller (18) are fixedly sleeved with a meshing drive gear (40).

6. The hanging button positioning feeder according to claim 5, characterized in that: A third electronic rotary joint (41) is installed on one side of the fixed box (38), and a connecting wire (43) is installed inside the second winding roller (18), with one end of the connecting wire (43) connected to the third electronic rotary joint (41).

7. The hanging button positioning feeder according to claim 6, characterized in that: The third electronic rotary joint (41) is connected to the control and power supply (42) via a wire, and the other end of the connecting wire (43) is electrically connected to the pressure sensor (30) and the electromagnet (25).

8. The hanging button positioning feeder according to claim 1, characterized in that: A positioning groove (9) is provided at the bottom of the bottom rail (3), and the top of the winding box (10) is located inside the positioning groove (9).

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