Automatic steel wire penetrating device for fastening screw

By improving the disassembly and installation structure of the automatic wire threading device for fastening screws, the problem of difficult replacement of conveyor rollers was solved, enabling convenient replacement and precise wire threading of conveyor pressure rollers, and improving wire threading efficiency and flexibility.

CN223762618UActive Publication Date: 2026-01-06NINGBO JINGYE FLUID CONNECTORS CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520076506.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2026-01-06
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

In existing automatic wire threading devices for fastening screws, the conveyor rollers are difficult to disassemble and replace after long-term use, resulting in wear and reduced wire threading efficiency.

Method used

A convenient disassembly and installation structure is designed, including a snap-fit ​​groove, snap-fit ​​block, spring and limit post, which enables easy replacement of the conveyor pressure roller, and prevents deviation through threaded connection and anti-disengagement disc, and adjusts the pressure roller distance to accommodate steel wires of different diameters.

Benefits of technology

It improves the stability and threading accuracy of the conveyor rollers, enhances threading efficiency and flexibility, avoids deviation and skewing, and ensures the smooth progress of the threading operation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223762618U_ABST
    Figure CN223762618U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of fastening screws, and discloses an automatic steel wire penetrating device for fastening screws, which comprises a bottom plate, clamping grooves are formed in one side of a first connecting block and one side of a second connecting block, clamping blocks are clamped in the clamping grooves, the clamping blocks and the clamping grooves are both cross-shaped, and the clamping blocks are clamped in the clamping grooves. One side of the clamping block is fixedly connected with one side of the pressing roller and one side of the conveying pressing roller, a through hole is formed in the top of the clamping block, a spring is fixed to the top of the second connecting block, an inserting rod is arranged in the spring in a sleeved mode and penetrates through the through hole, and a limiting hole is formed in the outer wall of the inserting rod. Limiting columns are inserted into the limiting holes in a sliding mode, through convenient disassembly and assembly, the conveying pressing roller can be replaced after being used for a certain time, stability of the conveying pressing roller during conveying is guaranteed, and therefore wire penetrating can be more accurate, deflection is avoided, and the wire penetrating efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of fastening screw technology, specifically to an automatic wire threading device for fastening screws. Background Technology

[0002] A bolt is a general term for a type of bolt used to fasten two or more parts (or components) together into a whole. A bolt is a fastener consisting of a head and a shank (a cylinder with external threads). It needs to be used with a nut to fasten two parts with through holes. During the production of bolts, an automatic wire threading device is used to thread the raw materials of the bolts.

[0003] In the prior art, Chinese utility model with announcement number CN219986771U discloses an automatic wire threading device for fastening screws, including a base for support, a frame set on one side of the top of the base, and a support rod fixedly set on the other side of the top of the base. The number of the support rods is two, and the two support rods are designed symmetrically to each other. The front surface of the frame is provided with a front pressure roller, a balance roller, a conveying roller and an auxiliary device from left to right. A material roller is movably arranged between the two support rods.

[0004] In the aforementioned technology, the steel wire on the feed roller is sequentially passed through the front pressure roller, balance roller, conveyor roller, and auxiliary device, and the steel wire is positioned between two T-shaped clamps and fixed before entering the wire threading plate for threading. However, when the steel wire is conveyed by the conveyor roller, it will wear out after long-term use and needs to be disassembled and replaced. However, in this application, the conveyor roller is not easy to disassemble and replace, which may cause deviation in subsequent threading operations and reduce threading efficiency.

[0005] In view of this, the present invention solves the above-mentioned technical problems by proposing an automatic wire threading device for fastening screws. Utility Model Content

[0006] To address the shortcomings of the aforementioned background technology, this utility model provides a technical solution for an automatic wire threading device for fastening screws. Through convenient disassembly and installation, the conveying pressure roller can be replaced after a certain period of use, ensuring the smooth operation of the conveying pressure roller during conveying. This helps to make the wire threading more accurate, avoids skewing, improves the wire threading efficiency, and solves the problems mentioned in the background technology.

[0007] This utility model provides the following technical solution: an automatic wire threading device for fastening screws, comprising: a base plate, a frame fixed on the top of the base plate, a pressing roller on one side of the frame, and two conveying rollers on one side of the frame;

[0008] A first connecting block is fixed to one side of the frame, and two second connecting blocks are provided on one side of the frame. Both the first and second connecting blocks have a snap-fit ​​groove on one side, and a snap-fit ​​block is snapped into the inside of the snap-fit ​​groove. Both the snap-fit ​​block and the snap-fit ​​groove are cross-shaped. One side of the snap-fit ​​block is fixedly connected to one side of the pressing roller and the conveying roller, respectively. A through hole is provided at the top of the snap-fit ​​block. A spring is fixed to the top of the second connecting block. An insertion rod is sleeved inside the spring. The insertion rod passes through the through hole. A limit hole is provided on the outer wall of the insertion rod. A limit post is slidably inserted into the limit hole.

[0009] As a preferred embodiment of this utility model, an adjustment frame is fixed on one side of the frame, a bidirectional lead screw is rotatably installed inside the adjustment frame, two moving blocks are threaded to the outer wall of the bidirectional lead screw, a rotating rod is fixed to the top of the bidirectional lead screw, and one side of the moving block is fixedly connected to one side of the second connecting block.

[0010] As a preferred technical solution of this utility model, both the pressing roller and the conveying roller are provided with threaded holes, and a threaded rod is threadedly connected inside the threaded hole. One end of the threaded rod is fixed with an anti-detachment disc.

[0011] As a preferred technical solution of this utility model, the anti-detachment discs on one side of the conveying pressure roller are intricately distributed.

[0012] As a preferred embodiment of this utility model, an alignment frame is fixed on one side of the frame, and the alignment frame consists of two rectangular plates and a circular ring.

[0013] As a preferred embodiment of this utility model, a cleaning cloth is slidably installed on the outer wall of the pressing roller.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. In this utility model, when it is necessary to disassemble and replace the conveyor roller, the limiting post is first pulled out, thereby freeing the insertion rod from restriction. The spring can then be pulled to disengage the insertion rod from the through hole, allowing the locking block to be removed. This allows the locking block to be quickly and easily removed from the locking groove, thus enabling the disassembly of the conveyor roller. The pressing roller can also be disassembled in the same way. Therefore, through convenient disassembly and installation, the conveyor roller can be replaced after a certain period of use, ensuring the smooth operation of the conveyor roller during conveying. This helps to make the threading process more accurate, avoids skewing, and improves threading efficiency.

[0016] 2. In this utility model, by rotating the rotating rod, the bidirectional lead screw can be rotated, which in turn drives the two moving blocks to move, thereby enabling the adjustment of the distance between the two pressing rollers. This allows for the adaptation to various steel wires of different diameters, improving flexibility and facilitating the smooth completion of the wire threading operation.

[0017] 3. In this utility model, the anti-detachment disc can be installed by the threaded connection between the threaded rod and the threaded hole. The anti-detachment disc can block the steel wire and prevent it from shifting and falling off. At the same time, the positions of the upper and lower anti-detachment discs are staggered to avoid obstruction when adjusting the distance between them. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the adjustment frame of this utility model;

[0020] Figure 3 This is a schematic diagram of the anti-detachment disc of this utility model;

[0021] Figure 4 This is a schematic diagram of the snap-fit ​​block of this utility model.

[0022] In the diagram: 1. Base plate; 2. Frame; 3. Pressing roller; 4. Conveying roller; 5. First connecting block; 6. Second connecting block; 7. Snap-fit ​​groove; 8. Snap-fit ​​block; 9. Through hole; 10. Spring; 11. Insertion rod; 12. Limiting hole; 13. Limiting post; 14. Adjusting frame; 15. Two-way lead screw; 16. Moving block; 17. Rotating rod; 18. Threaded hole; 19. Threaded rod; 20. Anti-detachment disc; 21. Alignment frame. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example 1,

[0025] Please see Figure 1-4 As shown, an automatic wire threading device for fastening screws includes: a base plate 1, a frame 2 fixed on the top of the base plate 1, a pressing roller 3 on one side of the frame 2, and two conveying rollers 4 on one side of the frame 2.

[0026] A first connecting block 5 is fixed on one side of the frame 2, and two second connecting blocks 6 are provided on one side of the frame 2. Both the first connecting block 5 and the second connecting block 6 have a snap-fit ​​groove 7 on one side. A snap-fit ​​block 8 is snapped into the inside of the snap-fit ​​groove 7. Both the snap-fit ​​block 8 and the snap-fit ​​groove 7 are cross-shaped. One side of the snap-fit ​​block 8 is fixedly connected to one side of the pressing roller 3 and the conveying roller 4, respectively. A through hole 9 is opened on the top of the snap-fit ​​block 8. A spring 10 is fixed on the top of the second connecting block 6. An insertion rod 11 is sleeved inside the spring 10. The insertion rod 11 passes through the through hole 9. A limit hole 12 is opened on the outer wall of the insertion rod 11. A limit post 13 is slidably inserted into the inside of the limit hole 12.

[0027] An adjustment frame 14 is fixed on one side of the frame 2. A bidirectional lead screw 15 is rotatably installed inside the adjustment frame 14. Two moving blocks 16 are threadedly connected to the outer wall of the bidirectional lead screw 15. A rotating rod 17 is fixed to the top of the bidirectional lead screw 15. One side of the moving block 16 is fixedly connected to one side of the second connecting block 6.

[0028] In use, when it is necessary to disassemble and replace the conveyor roller 4, first pull out the limiting post 13, so that the insertion rod 11 is no longer restricted. Then, the spring 10 can be pulled to make the insertion rod 11 disengage from the through hole 9, so that the locking block 8 can be unobstructed. Therefore, the locking block 8 can be quickly and easily removed from the locking groove 7, thereby realizing the disassembly of the conveyor roller 4. The pressing roller 3 can also be disassembled in the same way. Therefore, through convenient disassembly and installation, the conveyor roller 4 can be replaced after a certain period of use, ensuring the smoothness of the conveyor roller 4 during conveying, which helps to make the threading more accurate, avoids skewing, and improves the threading efficiency.

[0029] By rotating the rotating rod 17, the bidirectional lead screw 15 can be rotated, which in turn drives the two moving blocks 16 to move, thereby adjusting the distance between the two pressing rollers 3. This allows for the adaptation to various steel wires of different diameters, improving flexibility and facilitating the smooth completion of the wire threading operation.

[0030] Example 2,

[0031] For one specific embodiment of this utility model, please refer to Figure 1-4 As shown, both the pressing roller 3 and the conveying roller 4 have threaded holes 18 inside. The threaded holes 18 are threaded with threaded rods 19 inside. One end of the threaded rod 19 is fixed with an anti-detachment disc 20. The anti-detachment discs 20 on one side of the conveying roller 4 are staggered. An alignment frame 21 is fixed on one side of the frame 2. The alignment frame 21 is composed of two rectangular plates and a circular ring. A cleaning cloth is slidably installed on the outer wall of the pressing roller 3.

[0032] In use, the anti-detachment disc 20 can be installed by connecting the threaded rod 19 to the threaded hole 18. The anti-detachment disc 20 can block the steel wire and prevent it from shifting and falling off. At the same time, the positions of the upper and lower anti-detachment discs 20 are staggered to avoid obstruction when adjusting the distance between them.

[0033] The alignment frame 21 can serve as a reference point, which helps to promptly determine whether the position of the steel wire has shifted. The cleaning cloth on the outer wall of the pressing roller 3 can clean the surface of the steel wire while pressing it, preventing dust and other impurities from affecting the accuracy of the wire threading.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Additionally, in the accompanying drawings of this utility model, the fill patterns are merely for distinguishing layers and do not constitute any other limitation.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A kind of fastening screw automatic wire penetrating device, comprising: Bottom plate (1), the top of the bottom plate (1) is fixed with rack (2), one side of the rack (2) is provided with press roller (3), one side of the rack (2) is provided with two conveying pressure roller (4); Characterized in that: one side of the rack (2) is fixed with first connecting block (5), one side of the rack (2) is provided with two second connecting block (6), the first connecting block (5) and the second connecting block (6) are both provided with clamping groove (7) on one side, the inside of the clamping groove (7) is clamped with clamping block (8), the shape of the clamping block (8) and the clamping groove (7) is cross-shaped, one side of the clamping block (8) is fixedly connected with one side of press roller (3) and conveying pressure roller (4) respectively, the top of the clamping block (8) is provided with through hole (9), the top of the second connecting block (6) is fixed with spring (10), the inside of the spring (10) is sleeved with inserting rod (11), the inserting rod (11) penetrates through the through hole (9), the outer wall of the inserting rod (11) is provided with limiting hole (12), the inside of the limiting hole (12) is slidably inserted with limiting column (13).

2. The device according to claim 1, wherein: One side of the rack (2) is fixed with adjusting frame (14), bidirectional screw rod (15) is rotatably installed in the inside of the adjusting frame (14), two moving blocks (16) are threadedly connected on the outer wall of the bidirectional screw rod (15), rotating rod (17) is fixed on the top end of the bidirectional screw rod (15), one side of the moving block (16) is fixedly connected with one side of the second connecting block (6).

3. The device according to claim 1, wherein: The inside of press roller (3) and conveying pressure roller (4) is both provided with threaded hole (18), the inside of the threaded hole (18) is threadedly connected with threaded rod (19), the one end of the threaded rod (19) is fixed with anti-drop disc (20).

4. The device according to claim 1, wherein: The position of anti-drop disc (20) on one side of conveying pressure roller (4) is complex.

5. The device according to claim 1, wherein: One side of the rack (2) is fixed with alignment frame (21), the structure of the alignment frame (21) is composed of two rectangular plates and a circular ring.

6. The device according to claim 1, wherein: The outer wall of press roller (3) is slidably installed with cleaning cloth.

Citation Information

Patent Citations

  • Automatic steel wire penetrating device for fastening screw

    CN219986771U