Thread feeding structure of bead stringing machine

Abstract

The utility model discloses a thread feeding structure of a bead stringing machine, which is characterized in that a thread feeding carriage is buckled on a sliding rail and is in sliding fit with the sliding rail, a thread feeding component is fixed on the thread feeding carriage, one end of a thread feeding pipe is connected with the thread feeding component, the other end of the thread feeding pipe is connected with a positioning mechanism, and a first driving motor is fixed below the thread feeding carriage and is connected with a needle feeding mechanism through a screw rod transmission mechanism; the first needle feeding carriage and the second needle feeding carriage are fixedly connected through a connecting rod, buckled on the sliding rail and in sliding fit with the sliding rail; the wire feeding tube is sleeved with the needle feeding tube; the second driving motor is connected with the second needle feeding carriage through a lead screw transmission mechanism; the positioning carriage is buckled on the sliding rail and is in sliding fit with the sliding rail, the positioning pipe is fixed to the positioning carriage, the bead stringing pipe is arranged outside the wire feeding pipe in a sleeving mode and located in the positioning pipe and the needle feeding pipe, and the third driving motor is connected with the positioning carriage through a lead screw transmission mechanism. The device is simple in structure and convenient to operate, and the complexity and the maintenance difficulty of the device are reduced. The automation degree is high, and the efficiency and the quality of bead stringing operation are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bead threading machines, and specifically refers to a wire feeding structure of a bead threading machine. Background Art

[0002] Traditional bead threading operations mostly rely on manual operation, which is not only inefficient but also difficult to ensure product consistency and quality. With the development of automation technology, more and more automated equipment has been introduced into the jewelry processing industry. However, the existing wire feeding structures of bead threading machines often have problems such as complex structures, difficult maintenance, and low wire feeding accuracy, making it difficult to meet the production requirements of high precision and high efficiency.

[0003] Therefore, a wire feeding structure of a bead threading machine has become an urgent problem to be solved. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a wire feeding structure of a bead threading machine with a simple structure, convenient operation, and high wire feeding accuracy to solve the problems existing in the prior art.

[0005] To achieve the above purpose, the technical solution provided by the utility model is: a wire feeding structure of a bead threading machine, including a slide rail, a wire feeding mechanism, a needle feeding mechanism, and a positioning mechanism;

[0006] The slide rail is fixed on the workbench of the bead threading machine;

[0007] The wire feeding mechanism includes a wire feeding carriage, a wire feeding assembly, a wire feeding tube, and a first driving motor. The wire feeding carriage is buckled on the slide rail and is slidably matched with it. The wire feeding assembly is fixed on the wire feeding carriage. One end of the wire feeding tube is connected to the wire feeding assembly, and the other end passes through the needle feeding mechanism and extends to the positioning mechanism. The first driving motor is fixed below the wire feeding carriage and is connected to the needle feeding mechanism through a lead screw transmission mechanism;

[0008] The needle feeding mechanism includes a first needle feeding carriage, a second needle feeding carriage, a needle feeding tube, and a second driving motor. Both the first needle feeding carriage and the second needle feeding carriage are buckled on the slide rail and are slidably matched with it, and the first needle feeding carriage and the second needle feeding carriage are fixedly connected by a connecting rod; the needle feeding tube is sleeved outside the wire feeding tube, and one end is connected to the first needle feeding carriage, and the other end is connected to the second needle feeding carriage and extends out; the second driving motor is fixed on the workbench of the bead threading machine and is connected to the second needle feeding carriage through a lead screw transmission mechanism;

[0009] The positioning mechanism includes a positioning carriage, a positioning tube, a bead threading tube, and a third driving motor. The positioning carriage is buckled on the slide rail and is slidably matched with it. The positioning tube is fixed on the positioning carriage and extends outward at both ends. The bead threading tube is sleeved outside the wire feeding tube and is inside the positioning tube and the needle feeding tube. The third driving motor is fixed on the workbench of the bead threading machine and is connected to the positioning carriage through a lead screw transmission mechanism.

[0010] Furthermore, the wire feeding assembly includes a support frame, a wire feeding motor, a gearbox, a wire feeding cam, and a wire pressing component. The support frame is fixed on the wire feeding slide plate. The gearbox is fixed on one side of the support frame. The wire feeding motor is connected to the power input end of the gearbox. One end of the wire feeding cam is connected to the power output end of the gearbox, and the other end of the wire feeding cam is rotatably connected to the support frame. The wire pressing component is arranged below the wire feeding cam and is rotatably connected to the support frame.

[0011] Furthermore, the wire pressing component includes a rotating frame, a contact wheel, a spring, and a wire pressing block. The rotating frame is rotatably connected to the support frame. The contact wheel is arranged on one side of the rotating frame and is rotatably connected thereto and contacts or separates from the wire feeding cam. One end of the spring is connected to the upper end of the support frame, and the other end is connected to the rear end of the rotating frame. The wire pressing block is detachably connected to the front end of the rotating frame.

[0012] Furthermore, a wire feeding tube support is provided on the front side of the wire feeding slide plate. The wire feeding tube support is provided with a plurality of mounting holes, and the end of the wire feeding tube is arranged in the mounting holes.

[0013] The advantages of the present utility model compared with the prior art are as follows:

[0014] 1. The structure is simple and the operation is convenient, reducing the complexity of the equipment and the difficulty of maintenance.

[0015] 2. The wire feeding accuracy is high. Through the coordinated action of the wire feeding assembly and the wire pressing component, the stable feeding of the wire is ensured.

[0016] 3. The degree of automation is high, improving the efficiency and quality of the bead threading operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural view of a wire feeding structure of a bead threading machine of the present utility model Figure 1 .

[0018] Figure 2 is a schematic structural view of a wire feeding structure of a bead threading machine of the present utility model Figure 2 .

[0019] Figure 3 is a schematic structural view of a wire feeding structure of a bead threading machine of the present utility model Figure 3 .

[0020] Figure 4 is a side view of a wire feeding structure of a bead threading machine of the present utility model.

[0021] Figure 5 is a top view of a wire feeding structure of a bead threading machine of the present utility model.

[0022] Figure 6 isFigure 1 Enlarged view of the structure at position A in the [device name].

[0023] As shown in the figure: 1. Slide rail, 2. Wire feeding mechanism, 3. Needle feeding mechanism, 4. Positioning mechanism, 5. Wire feeding carriage, 6. Wire feeding assembly, 7. Wire feeding tube, 8. First driving motor, 9. Screw drive mechanism, 10. First needle feeding carriage, 11. Second needle feeding carriage, 12. Needle feeding tube, 13. Second driving motor, 14. Positioning carriage, 15. Positioning tube, 16. Bead threading tube, 17. Third driving motor, 18. Support frame, 19. Wire feeding motor, 20. Gearbox, 21. Wire feeding cam, 22. Wire pressing component, 23. Rotating frame, 24. Contact wheel, 25. Spring, 26. Wire pressing block, 27. Wire feeding tube support, 28. Mounting hole. Detailed implementation manners

[0024] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "vertical", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0025] In the description of the present utility model, the "first feature" and "second feature" may include one or more of such features. In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features.

[0026] In the present utility model, unless otherwise clearly specified and defined, the terms "installed", "connected", "connected with", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] The following further elaborates on a wire feeding structure of a bead threading machine of the present utility model with reference to the accompanying drawings.

[0028] Combined with the attached Figures 1-6 drawings, the specific implementation process of a wire feeding structure of a bead threading machine of the present utility model is as follows:

[0029] A wire feeding structure of a bead threading machine, including a slide rail 1, a wire feeding mechanism 2, a needle feeding mechanism 3 and a positioning mechanism 4. Among them, the slide rail 1 is fixed on the workbench of the bead threading machine and serves as the basis for the movement of each mechanism.

[0030] The wire feeding mechanism 2 includes a wire feeding slide plate 5, a wire feeding assembly 6, a wire feeding tube 7 and a first driving motor 8. The wire feeding slide plate 5 is buckled on the slide rail 1 and can slide along it. The wire feeding assembly 6 is fixed on the wire feeding slide plate 5 and includes a support frame 18, a wire feeding motor 19, a gear box 20, a wire feeding cam 21 and a wire pressing component 22, which are used to drive and stabilize the conveying of the wire. One end of the wire feeding tube 7 is connected to the wire feeding assembly 6, and the other end passes through the needle feeding mechanism 3 and extends to the positioning mechanism 4. The first driving motor 8 is connected to the needle feeding mechanism 3 through a lead screw transmission mechanism 9 and is used to adjust the position of the needle feeding mechanism 3.

[0031] The needle feeding mechanism 3 includes a first needle feeding slide plate 10, a second needle feeding slide plate 11, a needle feeding tube 12 and a second driving motor 13. Both needle feeding slide plates are buckled on the slide rail 1 and can slide, and are fixedly connected by a connecting rod to ensure synchronous movement. The needle feeding tube 12 is sleeved outside the wire feeding tube 7, one end is connected to the first needle feeding slide plate 10, and the other end is connected to the second needle feeding slide plate 11 and extends, which is used to guide the wire to the bead threading position. The second driving motor 13 is fixed on the workbench and is connected to the second needle feeding slide plate 11 through a lead screw transmission mechanism 9 to adjust the overall position of the needle feeding mechanism 3.

[0032] The positioning mechanism 4 includes a positioning slide plate 14, a positioning tube 15, a bead threading tube 16 and a third driving motor 17. The positioning slide plate 14 is buckled on the slide rail 1 and can slide, and the positioning tube 15 is fixed on the positioning slide plate 14 and extends outward to provide a stable space for bead threading. The bead threading tube 16 is sleeved outside the wire feeding tube 7 and is located inside the positioning tube 15 and the needle feeding tube 12 to ensure that the wire accurately passes through the beads. The third driving motor 17 is fixed on the workbench and is connected to the positioning slide plate 14 through a lead screw transmission mechanism 9 to adjust the position of the positioning mechanism 4.

[0033] Preferably, the wire pressing component 22 includes a rotating frame 23, a contact wheel 24, a spring 25 and a wire pressing block 26. The rotating frame 23 is rotatably connected to the support frame 18, the contact wheel 24 is arranged on one side of the rotating frame 23 and contacts or separates from the wire feeding cam 21, and the support frame 18 and the rotating frame 23 are connected by a spring 25 to realize automatic pressing and releasing of the wire. The wire pressing block 26 is detachably connected to the front end of the rotating frame 23.

[0034] A wire feeding tube support 27 is provided on the front side of the wire feeding slide plate 5, and a number of mounting holes 28 are provided on the support to fix the end of the wire feeding tube 7 to ensure the stability and accuracy of the wire feeding tube 7.

[0035] The three lead screw transmission mechanisms 9 in the present utility model are all composed of a lead screw and a lead screw slider. Among them, the lead screw is connected to the power output end of the motor, the lead screw slider is connected to the carriage, and the lead screw slider moves along the lead screw to drive the carriage to move.

[0036] The motor in this device can also be replaced with a power device such as a cylinder. When using a cylinder as the driving power, the lead screw transmission mechanism can be replaced with a push shaft to drive the carriage to move back and forth.

[0037] The above describes the present utility model and its implementation manners. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. All in all, if those of ordinary skill in the art are inspired by it and, without departing from the gist of the creation of the present utility model, design structurally similar ways and embodiments to this technical solution without creative efforts, they shall fall within the protection scope of the present utility model.

Claims

1. A wire feeding structure of a bead threading machine, characterized in that: It includes a slide rail (1), a wire feeding mechanism (2), a needle feeding mechanism (3), and a positioning mechanism (4); The slide rail (1) is fixed on the workbench of the bead threading machine; The wire feeding mechanism (2) includes a wire feeding slide plate (5), a wire feeding assembly (6), a wire feeding tube (7), and a first driving motor (8). The wire feeding slide plate (5) is buckled on the slide rail (1) and is in sliding fit with it. The wire feeding assembly (6) is fixed on the wire feeding slide plate (5). One end of the wire feeding tube (7) is connected to the wire feeding assembly (6), and the other end passes through the needle feeding mechanism (3) and extends to the positioning mechanism (4). The first driving motor (8) is fixed below the wire feeding slide plate (5) and is connected to the needle feeding mechanism (3) through a lead screw transmission mechanism (9); The needle feeding mechanism (3) includes a first needle feeding slide plate (10), a second needle feeding slide plate (11), a needle feeding tube (12), and a second driving motor (13). The first needle feeding slide plate (10) and the second needle feeding slide plate (11) are both buckled on the slide rail (1) and are in sliding fit with it, and the first needle feeding slide plate (10) and the second needle feeding slide plate (11) are fixedly connected by a connecting rod. The needle feeding tube (12) is sleeved outside the wire feeding tube (7), one end is connected to the first needle feeding slide plate (10), and the other end is connected to the second needle feeding slide plate (11) and extends out. The second driving motor (13) is fixed on the workbench of the bead threading machine and is connected to the second needle feeding slide plate (11) through a lead screw transmission mechanism (9); The positioning mechanism (4) includes a positioning slide plate (14), a positioning tube (15), a bead threading tube (16), and a third driving motor (17). The positioning slide plate (14) is buckled on the slide rail (1) and is in sliding fit with it. The positioning tube (15) is fixed on the positioning slide plate (14) and extends outward at both ends. The bead threading tube (16) is sleeved outside the wire feeding tube (7) and is inside the positioning tube (15) and the needle feeding tube (12). The third driving motor (17) is fixed on the workbench of the bead threading machine and is connected to the positioning slide plate (14) through a lead screw transmission mechanism (9).

2. The wire feeding structure of a bead threading machine according to claim 1, wherein: The wire feeding assembly (6) includes a support frame (18), a wire feeding motor (19), a gear box (20), a wire feeding cam (21), and a wire pressing component (22). The support frame (18) is fixed on the wire feeding slide plate (5). The gear box (20) is fixed on one side of the support frame (18). The wire feeding motor (19) is connected to the power input end of the gear box (20). One end of the wire feeding cam (21) is connected to the power output end of the gear box (20). The other end of the wire feeding cam (21) is rotatably connected to the support frame (18). The wire pressing component (22) is arranged below the wire feeding cam (21) and is rotatably connected to the support frame (18).

3. The wire feeding structure of a bead threading machine according to claim 2, characterized in that: The wire pressing component (22) includes a rotating frame (23), a contact wheel (24), a spring (25), and a wire pressing block (26). The rotating frame (23) is rotatably connected to the support frame (18). The contact wheel (24) is arranged on one side of the rotating frame (23) and is rotatably connected thereto and contacts or separates from the wire feeding cam (21). One end of the spring (25) is connected to the upper end of the support frame (18), and the other end is connected to the rear end of the rotating frame (23). The wire pressing block (26) is detachably connected to the front end of the rotating frame (23).

4. The wire feeding structure of a bead threading machine according to claim 3, characterized in that: A wire feeding pipe support (27) is provided on the front side of the wire feeding slide plate (5). A plurality of mounting holes (28) are provided on the wire feeding pipe support (27), and the end of the wire feeding pipe (7) is arranged in the mounting holes (28).

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