Hardware feeding device for luggage production

Abstract

The invention discloses a hardware feeding device for luggage production, comprising: a storage assembly comprising a stock bin for storing hardware; the discharging assembly is arranged at a discharging opening of the stock bin and used for achieving quantitative taking of the hardware in the stock bin. The transfer assembly comprises a track frame and a material containing mechanism, the material containing mechanism is arranged at the top of the track frame in a sliding mode and used for bearing materials taken by the discharging assembly, and the discharging assembly is driven to be opened and closed through movement of the material containing mechanism; the material turning assembly is arranged at the top of the material containing mechanism and used for rotating relative to the material containing mechanism when the material containing mechanism moves, and turning over of the hardware in the material containing mechanism is achieved; the conveying assembly is arranged below the rail frame, and the hardware turned over by the turning assembly in the containing mechanism is received through movement of the containing mechanism; the position correcting assembly is used for correcting the position when the hardware enters the turning stage; and efficient feeding of hardware in the bag production process is ensured, and the automation degree and efficiency are improved.

Description

Technical Field

[0001] The invention relates to the technical field of feeding devices, and in particular to a hardware feeding device used in the production of bags. Background Art

[0002] In modern luggage production, hardware (such as buckles, zipper pulls, rings, etc.) plays a vital role. These hardware not only directly affect the function and appearance of luggage, but also the consumer experience and brand image. With the continuous increase in market demand for luggage products and the increasing scale of production, higher requirements are placed on the supply and processing of hardware.

[0003] Existing hardware feeding usually relies on a conveyor rack. Although this method is more efficient than manual operation, it still has some shortcomings: the conveyor rack has the problem of inflexible position adjustment during the feeding process, and additional human intervention is still required in the process of turning over and sorting hardware. This dependence increases working time and thus affects the efficiency of subsequent assembly.

[0004] For this reason, we propose a hardware feeding device for luggage production. Summary of the invention

[0005] In order to overcome the shortcomings of the prior art, the present invention provides a hardware feeding device for luggage production. Multiple components work together to ensure efficient and accurate feeding of hardware during the luggage production process, thereby improving the degree of automation and overall efficiency of luggage production.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a hardware feeding device for luggage production, comprising:

[0007] Storage components, including silos for storing hardware;

[0008] A material discharge assembly, wherein the bottom of the silo has a discharge port, and the material discharge assembly is arranged at the discharge port of the silo to realize quantitative material removal of hardware in the silo;

[0009] The transfer assembly includes a track frame and a material holding mechanism. The track frame is arranged below the material discharging assembly. The material holding mechanism is slidably arranged on the top of the track frame to receive the material from the material discharging assembly, and the movement of the material holding mechanism is used to drive the switch of the material discharging assembly to close.

[0010] The material turning assembly is arranged on the top of the material holding mechanism and is used to rotate relative to the material holding mechanism when the material holding mechanism moves, so as to realize the turning over of the hardware in the material holding mechanism;

[0011] The conveying assembly is arranged below the track frame, and receives the hardware turned over by the turning assembly in the material holding mechanism through the movement of the material holding mechanism. The conveying assembly includes a straight conveying frame and an angle conveying frame, and conveys the hardware to the bag production station;

[0012] The positioning component is arranged on the top of the angle conveyor rack and faces the middle of the straight conveyor rack, and is used to realize position correction when the hardware enters the turning stage.

[0013] As a preferred embodiment of the hardware feeding device for luggage production described in the present invention, the unloading component includes a partition covering the discharge port of the silo, a dosing cylinder is connected to the bottom of one end of the partition, the bottom of the dosing cylinder has an opening and is covered with a cover plate, the cover plate is hinged to the dosing cylinder at one end away from the conveying component, guide rails are slidably provided on both sides of the partition for realizing the sliding of the partition along the guide rails, and a limiting bracket supporting the cover plate is provided below the discharge port of the silo.

[0014] As a preferred solution of the hardware feeding device for luggage production described in the present invention, the unloading component also includes a spring telescopic rod, which is connected to the end of the partition away from the conveying component, the end of the guide rail away from the conveying component is connected with a cross bar, and the other end of the spring telescopic rod is connected to the cross bar. When the spring telescopic rod is not compressed, it pushes the partition to achieve the overlap of the upper port of the metering cylinder and the discharge port of the silo.

[0015] As a preferred embodiment of the hardware feeding device for luggage production described in the present invention, the material storage assembly also includes multiple groups of support columns, which are connected to the bottom of the silo and symmetrically distributed on both sides of the silo. The lower end of the silo is a bucket-shaped profile, and the outer side walls of the guide rails and track frames are connected to the support columns.

[0016] As a preferred embodiment of the hardware feeding device for luggage production described in the present invention, the transfer component also includes a conductive belt embedded in the surface of the track frame, one end of the conductive belt extends out of the track frame and contacts the ground, the bottom surface of the material holding mechanism is in contact with the conductive belt, and the material holding mechanism and the conductive belt are electrically connected.

[0017] As a preferred embodiment of the hardware feeding device for luggage production described in the present invention, the material holding mechanism includes a base plate and a cover tube arranged in the center of the top surface of the base plate, the outer edge of the base plate protrudes from the outer edge of the cover tube, and the outer edge top surface of the base plate is installed with baffles on all sides except one side adjacent to the conveying component. The end of the base plate away from the conveying component is hinged to the cover tube, and dampers are connected between the two sides of the base plate and the cover tube, and both ends of the damper are rotatably connected.

[0018] As a preferred embodiment of the hardware feeding device for luggage production described in the present invention, the transfer component also includes a telescopic cylinder, the cover tube is connected to a connecting plate on one end side wall adjacent to the conveying component, the upper end of the connecting plate is in contact with the partition, the telescopic cylinder is installed on the track frame and the telescopic end is connected to the connecting plate, one end of the track frame is located above the top surface of the conveying component and is provided with a square hole whose size is larger than that of the bottom plate, the top surface of the bottom plate is a smooth plane, and the bottom surface is a sloped surface.

[0019] As a preferred embodiment of the hardware feeding device for luggage production described in the present invention, the material turning assembly includes a gear ring and a push plate, the gear ring is coaxially rotatably arranged on the top of the cover tube, racks are arranged on the top of the track frame and on both sides of the gear ring, the gear ring and the rack are meshed with each other, the inner wall of the gear ring is connected to the fixed frame and is located above the cover tube, the push plate is telescopically arranged at the bottom of the fixed frame, the inner wall of the lower end of the cover tube is connected to a radially arranged positioning plate, the cross-sectional shape of the positioning plate is a triangular contour with the tip facing upward, and the bottom surface of the positioning plate is in contact with the bottom plate.

[0020] As a preferred embodiment of the hardware feeding device for luggage production described in the present invention, a screw is rotatably arranged in the center of the top surface of the push plate, the other end of the screw is vertical and threadedly penetrates the fixed frame, and the tops of both ends of the push plate are vertically connected with a ruler plate, and the other end of the ruler plate penetrates the fixed frame and is slidably connected up and down.

[0021] As a preferred embodiment of the hardware feeding device for luggage production described in the present invention, the alignment component includes a guide plate, and protective shells are provided on the tops of both sides of the angle conveying frame. The guide plate has two pieces and is respectively hinged to the protective shells on both sides. The two guide plates are located at the inlet end of the conveying direction to form an "eight"-shaped expansion, and the other ends of the two guide plates are combined and closed, and a spring plate is connected between the outer wall and the protective shell, and the conveyor belt surfaces of the angle conveying frame and the straight conveying frame are provided with convex strips at intervals along the conveying direction, and the guide plate is located above the top surface of the convex strips.

[0022] Compared with the prior art, the present invention can achieve the following beneficial effects:

[0023] Through the collaborative work of multiple components, efficient and accurate feeding of hardware is ensured during the production of bags and luggage, which improves the automation level and overall efficiency of bag and luggage production.

[0024] The material storage component is responsible for storing hardware and cooperates with the material unloading component to realize quantitative material extraction, avoiding the instability and error in manual operation and improving the efficiency and accuracy of material extraction;

[0025] The track frame of the transfer component is combined with the material holding mechanism to achieve the smooth reception and movement of the hardware taken out by the unloading component. At the same time, the movement of the material holding mechanism effectively controls the switch of unloading to ensure the continuity of the feeding process.

[0026] The turning component allows the hardware in the material holding mechanism to be turned over during the conveying process, which improves the flexibility of subsequent processing links and ensures that the placement of the hardware meets the assembly requirements;

[0027] The conveyor assembly uses the cooperation of straight and angle conveyor racks to smoothly convey the turned hardware to the luggage production station, thus improving the working efficiency of the production line.

[0028] The positioning component corrects the position of the hardware when it enters a turn, reducing the transmission position problems caused by position deviation and improving the efficiency of hardware assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 The figure is a schematic diagram of the structure of a hardware feeding device used in luggage production.

[0030] Figure 2 The present invention is a schematic diagram of a guide plate of a hardware feeding device used in luggage production.

[0031] Figure 3 The present invention is a schematic diagram of a track frame of a hardware feeding device used in luggage production.

[0032] Figure 4 The present invention is a schematic diagram of a track frame of a hardware feeding device used in luggage production.

[0033] Figure 5 The present invention is a schematic diagram of a partition of a hardware feeding device used in luggage production.

[0034] Figure 6 The present invention is a schematic diagram of a cover tube of a hardware feeding device used in luggage production.

[0035] Figure 7 The figure is a schematic diagram of a push plate of a hardware feeding device used in luggage production.

[0036] Among them: 1. silo; 2. partition; 3. track frame; 4. cover tube; 5. telescopic cylinder; 6. straight conveyor frame; 7. angle conveyor frame; 8. guide plate; 9. spring plate; 10. protective shell; 11. convex strip; 12. support column; 13. square hole; 14. conductive belt; 15. rack; 16. metering cylinder; 17. cover plate; 18. guide rail; 19. limit bracket; 20. cross bar; 21. spring telescopic rod; 22. bottom plate; 23. baffle; 24. damper; 25. connecting plate; 26. gear ring; 27. fixed frame; 28. push plate; 29. ​​screw rod; 30. ruler plate; 31. positioning plate. DETAILED DESCRIPTION

[0037] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0038] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0039] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0040] Example

[0041] Please refer to Figures 1 to 7 As shown, the present invention provides a hardware feeding device for bag production, comprising: a storage component, including a silo 1 for storing hardware;

[0042] The material discharge assembly has a discharge port at the bottom of the silo 1, and the material discharge assembly is arranged at the discharge port of the silo 1 to realize quantitative material extraction of the hardware in the silo 1; the material storage assembly is responsible for storing the hardware, and cooperates with the material discharge assembly to realize quantitative material extraction, thereby avoiding the instability and error in manual operation and improving the efficiency and accuracy of material extraction;

[0043] The material discharge assembly includes a partition 2 covering the discharge port of the silo 1, and a quantitative cylinder 16 is connected to the bottom of one end of the partition 2. The bottom of the quantitative cylinder 16 has an opening and is covered with a cover plate 17. The cover plate 17 is hinged to the quantitative cylinder 16 at one end away from the conveying assembly. Guide rails 18 are slidably provided on both sides of the partition 2 to realize the sliding of the partition 2 along the guide rails 18. The guide rails 18 are located below the discharge port of the silo 1 and are provided with a limiting bracket 19 that supports the cover plate 17;

[0044] The unloading assembly also includes a spring telescopic rod 21, which is connected to one end of the partition 2 away from the conveying assembly, and the end of the guide rail 18 away from the conveying assembly is connected to a crosspiece 20, and the other end of the spring telescopic rod 21 is connected to the crosspiece 20. When the spring telescopic rod 21 is not compressed, it pushes the partition 2 to achieve the upper end of the metering cylinder 16 and the discharge port of the silo 1 to coincide with each other;

[0045] The partition 2 uses the quantitative cylinder 16 to obtain the hardware from the discharge port of the silo 1. The cover plate 17 at the bottom of the quantitative cylinder 16 covers the lower port of the quantitative cylinder 16 due to the limit bracket 19. The movement of the material holding mechanism in the transfer assembly drives the partition 2 to slide along the guide rail 18. The partition 2 drives the quantitative cylinder 16 and the cover plate 17 at the bottom to separate from the limit bracket 19. At the same time, the top of one end of the partition 2 away from the quantitative cylinder 16 covers the discharge port of the silo 1 to prevent the accidental overflow of the hardware inside the silo 1. The cover plate 17 is hinged and rotated under the action of gravity to open the quantitative cylinder 16. The hardware in the quantitative cylinder 16 falls to the material holding mechanism, realizing accurate quantitative material taking of the hardware to ensure that the number of hardware taken out each time is consistent. The spring telescopic rod 21 realizes the automatic reset of the partition 2, which is conducive to recycling and ensures the degree of automation of quantitative material taking.

[0046] The transfer assembly includes a track frame 3 and a material holding mechanism. The track frame 3 is arranged below the material discharging assembly. The material holding mechanism is slidably arranged on the top of the track frame 3 to receive the material from the material discharging assembly, and the movement of the material holding mechanism is used to drive the switch of the material discharging assembly to close.

[0047] The transfer assembly also includes a conductive belt 14 embedded in the surface of the track frame 3, one end of the conductive belt 14 extends out of the track frame 3 and contacts the ground, the bottom surface of the material holding mechanism and the conductive belt 14 contact each other, and the material holding mechanism and the conductive belt 14 are electrically connected; the hardware held by the material holding mechanism may have static electricity, which is transferred by the conductive belt 14 and released to the ground;

[0048] The material holding mechanism includes a bottom plate 22 and a cover tube 4 arranged at the center of the top surface of the bottom plate 22. The outer edge of the bottom plate 22 protrudes from the outer edge of the cover tube 4. The outer edge top surface of the bottom plate 22 is provided with baffles 23 except for one side adjacent to the transmission assembly. The end of the bottom plate 22 away from the transmission assembly is hinged to the cover tube 4. Both sides of the bottom plate 22 are connected to the cover tube 4 with dampers 24, and both ends of the damper 24 are rotatably connected.

[0049] The transfer assembly also includes a telescopic cylinder 5, a side wall of the cover tube 4 adjacent to one end of the conveying assembly is connected to a connecting plate 25, the upper end of the connecting plate 25 is in contact with the partition 2, the telescopic cylinder 5 is installed on the track frame 3 and the telescopic end is connected to the connecting plate 25, one end of the track frame 3 and located above the top surface of the conveying assembly is provided with a square hole 13 whose size is larger than that of the bottom plate 22, the top surface of the bottom plate 22 is a smooth plane, and the bottom surface is a sloped surface;

[0050] The telescopic cylinder 5 drives the cover tube 4 to move along the track frame 3 with the connecting plate 25. The bottom plate 22 is supported by the track frame 3 to be horizontal and cover the lower port of the cover tube 4. When the cover tube 4 moves to the top of the square hole 13, the bottom plate 22 is hinged and rotated under gravity to form a slope. The hardware in the material holding mechanism slides along the bottom plate 22 to the conveying assembly. The baffle 23 ensures that the hardware accurately slides to the conveying assembly without deviation and falling. The damper 24 limits the rotation and expansion speed of the bottom plate 22 to ensure that the hardware smoothly transitions to the conveying assembly. The telescopic cylinder 5 controls the cover tube 4 to reciprocate so as to be used cyclically.

[0051] The material turning assembly is arranged on the top of the material holding mechanism and is used to rotate relative to the material holding mechanism when the material holding mechanism moves, so as to realize the turning over of the hardware in the material holding mechanism;

[0052] The material turning assembly includes a gear ring 26 and a push plate 28. The gear ring 26 is coaxially rotatably arranged on the top of the cover tube 4. Racks 15 are arranged on the top of the track frame 3 and on both sides of the gear ring 26. The gear ring 26 and the racks 15 are meshed with each other. The inner wall of the gear ring 26 is connected to the fixing frame 27 above the cover tube 4. The push plate 28 is telescopically arranged at the bottom of the fixing frame 27. The inner wall of the lower end of the cover tube 4 is connected to a radially arranged positioning plate 31. The cross-sectional shape of the positioning plate 31 is a triangular profile with the tip facing upward, and the positioning plate 31 fits the bottom plate 22.

[0053] The turning component allows the hardware in the material holding mechanism to be turned over during the conveying process, which improves the flexibility of subsequent processing links and ensures that the placement of the hardware meets the assembly requirements;

[0054] When the material receiving mechanism moves, the gear ring 26 rotates due to the meshing of the rack 15, and the rack 15 rotates and the push plate 28 at the bottom of the fixed frame 27 rotates. The rotating push plate 28 cooperates with the fixed positioning plate 31 to turn over the hardware to ensure the placement of the hardware.

[0055] A screw rod 29 is rotatably provided at the center of the top surface of the push plate 28, and the other end of the screw rod 29 is vertical and threadedly penetrates the fixing frame 27. The tops of both ends of the push plate 28 are vertically connected to a ruler plate 30, and the other end of the ruler plate 30 penetrates the fixing frame 27 and is slidably connected up and down;

[0056] The conveying assembly is arranged below the track frame 3, and receives the hardware turned over by the turning assembly in the material holding mechanism through the movement of the material holding mechanism. The conveying assembly includes a straight conveying frame 6 and an angle conveying frame 7, so as to convey the hardware to the bag production station; the conveying assembly smoothly conveys the turned hardware to the bag production station through the cooperation of the straight conveying frame 6 and the angle conveying frame 7, thereby improving the working efficiency of the production line;

[0057] The positioning component is arranged at the top of the angle conveyor frame 7 and faces the middle of the straight conveyor frame 6, and is used to realize the position correction when the hardware enters the turning stage;

[0058] The positive assembly includes a guide plate 8. A protective shell 10 is provided on the top of both sides of the angle conveying frame 7. The guide plate 8 has two pieces and is hinged to the protective shells 10 on both sides. The two guide plates 8 are located at the inlet end of the conveying direction to form an "eight"-shaped expansion. The other ends of the two guide plates 8 are combined and closed, and a spring plate 9 is connected between the outer wall and the protective shell 10. The conveyor belt surfaces of the angle conveying frame 7 and the straight conveying frame 6 are provided with convex strips 11 at intervals along the conveying direction, and the guide plate 8 is located above the top surface of the convex strip 11;

[0059] The positioning assembly is arranged on the top of the corner conveyor frame 7 to ensure that the hardware maintains the correct position when entering the turning stage. The "eight"-shaped expansion design of the guide plate 8 effectively guides the hardware into the appropriate track to avoid position deviation caused by turning;

[0060] The positioning assembly realizes effective position correction of the hardware during the turning process through the coordinated work of the guide plate 8 and the protective shell 10, which enhances the stability and safety of the conveying process and reduces the position deviation of the hardware during the turning conveying;

[0061] The spring plate 9 between the guide plate 8 and the protective shell 10 is connected to provide elastic support, which can adapt to the movement of different hardware and improve the stability of the overall transportation;

[0062] The material storage assembly also includes multiple groups of support columns 12, which are connected to the bottom of the silo 1 and symmetrically distributed on both sides of the silo 1. The lower end of the silo 1 is a bucket-shaped profile, and the guide rails 18 and the outer side walls of the track frame 3 are connected to the support columns 12.

[0063] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A hardware feeding device for luggage production, characterized in that: include: A material storage assembly, comprising a material bin (1) for storing hardware; A material discharge assembly, wherein the bottom of the silo (1) has a discharge port, and the material discharge assembly is arranged at the discharge port of the silo (1) and is used to realize quantitative material discharge of hardware in the silo (1); The transfer assembly comprises a track frame (3) and a material holding mechanism, wherein the track frame (3) is arranged below the material discharge assembly, and the material holding mechanism is slidably arranged on the top of the track frame (3) for receiving the material from the material discharge assembly, and the movement of the material holding mechanism is used to drive the switch of the material discharge assembly to close; The material turning assembly is arranged on the top of the material holding mechanism and is used to rotate relative to the material holding mechanism when the material holding mechanism moves, so as to realize the turning over of the hardware in the material holding mechanism; The conveying assembly is arranged below the track frame (3), and receives the hardware in the material holding mechanism that has been turned over by the material turning assembly through the movement of the material holding mechanism. The conveying assembly comprises a straight conveying frame (6) and an angle conveying frame (7), and conveys the hardware to the bag production station; The positioning component is arranged on the top of the angle conveying frame (7) and faces the middle of the straight conveying frame (6), and is used to realize position correction when the hardware enters the turning stage.

2. A hardware feeding device for bag production according to claim 1, characterized in that: The unloading assembly comprises a partition (2) covering the discharge port of the silo (1); a quantitative cylinder (16) is provided at the bottom of one end of the partition (2); the bottom of the quantitative cylinder (16) is open and covered with a cover plate (17); the cover plate (17) is hinged to the quantitative cylinder (16) at one end away from the conveying assembly; guide rails (18) are slidably provided on both sides of the partition (2) for realizing the sliding of the partition (2) along the guide rails (18); and a limiting bracket (19) for supporting the cover plate (17) is provided on the guide rails (18) below the discharge port of the silo (1).

3. The hardware feeding device for bag production according to claim 2 is characterized in that: The material discharge assembly further comprises a spring telescopic rod (21), wherein the spring telescopic rod (21) is connected to one end of the partition (2) away from the conveying assembly, the one end of the guide rail (18) away from the conveying assembly is connected to a cross piece (20), the other end of the spring telescopic rod (21) is connected to the cross piece (20), and when the spring telescopic rod (21) is not compressed, it pushes the partition (2) to achieve the overlap of the upper end of the metering cylinder (16) and the discharge port of the silo (1).

4. The hardware feeding device for bag production according to claim 2 is characterized in that: The material storage assembly further comprises a plurality of groups of support columns (12), wherein the support columns (12) are connected to the bottom of the silo (1) and are symmetrically distributed on both sides of the silo (1); the lower end of the silo (1) is a bucket-shaped profile, and the outer side walls of the guide rails (18) and the track frame (3) are both connected to the support columns (12).

5. The hardware feeding device for bag production according to claim 1 is characterized in that: The transfer assembly also includes a conductive belt (14) embedded in the surface of the track frame (3), one end of the conductive belt (14) extends out of the track frame (3) and contacts the ground, the bottom surface of the material holding mechanism and the conductive belt (14) are in contact with each other, and the material holding mechanism and the conductive belt (14) are electrically connected.

6. The hardware feeding device for bag production according to claim 1, characterized in that: The material holding mechanism comprises a bottom plate (22) and a cover tube (4) arranged at the center of the top surface of the bottom plate (22); the outer edge of the bottom plate (22) protrudes from the outer edge of the cover tube (4); baffles (23) are installed on the top surface of the outer edge of the bottom plate (22) except for one side adjacent to the transmission component; one end of the bottom plate (22) away from the transmission component is hinged to the cover tube (4); both sides of the bottom plate (22) are connected to the cover tube (4) with dampers (24); both ends of the damper (24) are rotatably connected.

7. The hardware feeding device for bag production according to claim 6, characterized in that: The transfer assembly further comprises a telescopic cylinder (5); a connecting plate (25) is connected to a side wall of one end of the cover cylinder (4) adjacent to the conveying assembly; an upper end of the connecting plate (25) is in contact with the partition (2); the telescopic cylinder (5) is mounted on the track frame (3) and a telescopic end is connected to the connecting plate (25); a square hole (13) having a size larger than that of the bottom plate (22) is provided at one end of the track frame (3) and located above the top surface of the conveying assembly; the top surface of the bottom plate (22) is a smooth plane, and the bottom surface is a sloped surface.

8. The hardware feeding device for bag production according to claim 6, characterized in that: The material turning assembly comprises a gear ring (26) and a push plate (28), wherein the gear ring (26) is coaxially rotatably arranged at the top of the cover tube (4), racks (15) are arranged at the top of the track frame (3) and on both sides of the gear ring (26), the gear ring (26) and the racks (15) are meshed with each other, the inner wall of the gear ring (26) is connected to a fixed frame (27) located above the cover tube (4), the push plate (28) is telescopically arranged at the bottom of the fixed frame (27), the inner wall of the lower end of the cover tube (4) is connected to a radially arranged positioning plate (31), the cross-sectional shape of the positioning plate (31) is a triangular profile with the tip facing upward, and the bottom surface of the positioning plate (31) is in contact with the bottom plate (22).

9. The hardware feeding device for bag production according to claim 8, characterized in that: A screw rod (29) is rotatably arranged at the center of the top surface of the push plate (28), and the other end of the screw rod (29) is vertical and threadedly penetrates the fixing frame (27). The tops of both ends of the push plate (28) are vertically connected with a ruler plate (30), and the other end of the ruler plate (30) penetrates the fixing frame (27) and is slidably connected up and down.

10. The hardware feeding device for bag production according to claim 1, characterized in that: The alignment component comprises a guide plate (8), and protective shells (10) are arranged on the tops of both sides of the angle conveying frame (7). The guide plate (8) has two pieces and is respectively hinged to the protective shells (10) on both sides. The two guide plates (8) are located at the inlet end of the conveying direction to form an "eight"-shaped expansion. The other ends of the two guide plates (8) are combined and closed, and a spring plate (9) is connected between the outer wall and the protective shell (10). The conveyor belt surfaces of the angle conveying frame (7) and the straight conveying frame (6) are both provided with convex strips (11) at intervals along the conveying direction, and the guide plate (8) is located above the top surface of the convex strips (11).

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