Pneumatic wire twisting tool

Abstract

The utility model discloses a pneumatic wire twisting tool, which relates to the technical field of processing tools, and comprises a bottom plate and a vertical plate, support legs are arranged below the bottom plate in a rectangular arrangement, the vertical plate is vertically welded and fixed on one side of the front end of the bottom plate, an upper pneumatic mechanism is longitudinally arranged on the vertical plate, the lower output end of the upper pneumatic mechanism is fixedly connected with a mounting head, and the lower output end of the mounting head is fixedly connected with a wire twisting head. A thread twisting head is installed below the installation head, a lower pneumatic mechanism is horizontally installed on the bottom plate, and the front output end of the lower pneumatic mechanism is fixedly connected with a twisting plate. According to the utility model, the pneumatic system is adopted to realize the rapid clamping and twisting operation of the wire harness, the efficiency is obviously improved, the accurate control is realized through the pneumatic system, the stability of the wire harness in the clamping and twisting process is ensured, the equipment operation is simple, and the dependence on professional operators is reduced; and the pneumatic system supports rapid adaptation of shielded wires with different wire diameters, accurate clamping and processing of wire harnesses with different wire diameters can be realized, and the flexibility and applicability of the equipment are further improved.

Description

Technical Field

[0001] This utility model belongs to the field of processing tooling technology, specifically relating to a pneumatic wire twisting tool. Background Technology

[0002] With the rapid development of the new energy vehicle industry, wiring harnesses, as core components for vehicle power transmission and signal control, face increasingly higher requirements for processing precision and efficiency. In the field of new energy vehicle wiring harness processing, the wire twisting process is a crucial step in achieving uniform coverage of the shielding wire core with metal mesh. As a key component in wiring harnesses for electromagnetic interference suppression, traditional processing methods often rely on manual twisting or semi-automatic mechanical operations, which present the following problems: manual twisting is slow and inefficient, requiring repeated adjustments to the wiring harness position, making it difficult to meet the mass production needs of new energy vehicle wiring harnesses; manual operation relies on worker experience, resulting in large fluctuations in twisting tension, easily leading to uneven winding of the shielding wire and affecting signal transmission stability; existing semi-automatic equipment lacks precise positioning, causing the wiring harness to easily shift or twist during the twisting process, and its redundant structure leads to high maintenance costs and difficulty in adapting to the processing requirements of different wiring harness specifications. Furthermore, new energy vehicle wiring harnesses have stringent requirements for shielding coverage, tensile strength, and other indicators, urgently requiring a highly efficient, precise, and adaptable automated wire twisting fixture. Utility Model Content

[0003] To address the problems existing in the prior art, this utility model provides a pneumatic wire twisting fixture. By optimizing the structural design and adopting an advanced pneumatic system, it significantly improves the efficiency, accuracy, and consistency of wire harness processing, while reducing labor intensity and equipment maintenance costs.

[0004] The solution adopted by this utility model to solve its technical problem is as follows: a pneumatic thread-twisting fixture, including a base plate and a vertical plate. Support legs are arranged in a rectangular pattern below the base plate. The vertical plate is vertically welded and fixed to one side of the front end of the base plate. An upper pneumatic mechanism is longitudinally mounted on the vertical plate. A mounting head is fixedly connected to the lower output end of the upper pneumatic mechanism, and a thread-twisting head is mounted below the mounting head. A lower pneumatic mechanism is horizontally mounted on the base plate. A thread-twisting plate is fixedly connected to the front output end of the lower pneumatic mechanism, and the thread-twisting plate is positioned below the thread-twisting head. Grooves are opened on the left and right sides of the thread-twisting head, and the positions of the two grooves are set along the moving direction of the thread-twisting plate. A wheel seat is longitudinally slidably fitted inside the groove, and the wheel seat is mounted inside the groove by a spring. A roller is rotatably fitted inside the wheel seat, and the rolling direction of the roller is consistent with the moving direction of the thread-twisting plate. There is a height difference between the bottom end of the roller and the lower surface of the thread-twisting head.

[0005] Furthermore, both the upper and lower pneumatic mechanisms employ cylinders.

[0006] Furthermore, a guide rail is horizontally arranged on the base plate, and a guide block is installed at the bottom of the washboard. The washboard is slidably fitted into the guide rail via the guide block.

[0007] Further, a slot is formed through the mounting head, and the top of the twisting head is provided with an insertion block matched with the slot, and the twisting head is inserted and mounted in the slot through the insertion block.

[0008] Further, a sliding groove is longitudinally formed in the side wall of the slot, and the side of the wheel seat is provided with a sliding block matched with the sliding groove, and the wheel seat is slidingly sleeved in the slot through the sliding block.

[0009] Further, grooves are formed on the opposite surfaces of the slot and the insertion block, and magnets are embedded in the grooves, and the magnets on the slot and the insertion block are attracted to each other, and the mounting head and the twisting head are fixed by the two magnets.

[0010] Further, the mounting head and the twisting head are fixed by bolts.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model discloses a pneumatic system is realized wire harness quick clamping and wire twisting operation, and single piece processing cycle is greatly shortened, and compared with traditional manual operation or mechanical device, efficiency improves significantly, and accurate control is realized through pneumatic system, guarantees the stability of wire harness in the clamping and wire twisting process, reduces wire harness damage, and the equipment operation is simple, and is easy to start, and the dependence on professional operators is reduced, and the pneumatic system supports the quick adaptation of different wire diameter shielding wires, and through simple adjustment, different processing needs can be satisfied, accurate clamping and processing of different wire diameter wire harness can be realized, and the adaptability is strong, and the modular design allows quick replacement of the twisting head, and the flexibility and applicability of the equipment are further improved, spring buffer rollers are arranged on the both sides of the twisting head, real-time limiting wire harness is realized through the cooperation of the roller and the spring, and the stability of wire harness in the processing process is further improved, and the processing error caused by wire harness deviation is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0014] Figure 2 It is the three-dimensional structure schematic diagram of the utility model's twisting head;

[0015] Figure 3 It is the section structure schematic diagram of the utility model's twisting head;

[0016] Figure 4 It is Figure 2 The structure schematic diagram of enlarged A in the middle.

[0017] In the figure: 1, bottom plate; 2, vertical plate; 3, upper pneumatic mechanism; 4, mounting head; 5, twisting head; 6, lower pneumatic mechanism; 7, rubbing plate; 8, guide rail; 9, guide block; 10, supporting leg; 11, wheel seat; 12, roller; 13, spring; 14, insertion slot; 15, insertion block; 16, magnet; 17, sliding groove; 18, sliding block. DETAILED DESCRIPTION

[0018] The utility model is further explained below in combination with the drawings and examples.

[0019] Please refer to Figures 1-4 The utility model provides a kind of pneumatic wire twisting tool technical scheme: Embodiment

[0020] According to Figure 1 As shown in the figure, a kind of pneumatic wire twisting tool is made of bottom plate 1 and vertical plate 2 and constitutes processing table, and the four corners of bottom plate 1 below are arranged in rectangular and provided with supporting leg 10, and bottom plate 1 is supported horizontally by supporting leg 10, and vertical plate 2 is vertically welded and fixed at the front end side of bottom plate 1, and upper pneumatic mechanism 3 is installed on vertical plate 2 by mounting bracket longitudinally, and the lower output end of upper pneumatic mechanism 3 is fixedly connected with mounting head 4, and mounting head 4 is installed below with twisting head 5, and lower pneumatic mechanism 6 is horizontally installed on bottom plate 1 by mounting bracket, and the front output end of lower pneumatic mechanism 6 is fixedly connected with rubbing plate 7, and rubbing plate 7 is in L type structure, and the output end of lower pneumatic mechanism 6 is installed on the vertical short plate of rubbing plate 7, and guide rail 8 is horizontally arranged on bottom plate 1, and guide block 9 is installed on the horizontal long plate bottom of rubbing plate 7, and the horizontal long plate of rubbing plate 7 is slidably installed in guide rail 8 by guide block 9, and the horizontal long plate of rubbing plate 7 is arranged below twisting head 5, and lower pneumatic mechanism 6 is used to control rubbing plate 7 to move left and right below twisting head 5, and under the guidance of guide block 9 and guide rail 8, the smoothness and stability of rubbing plate 7 when moving left and right are improved.

[0021] Upper pneumatic mechanism 3 and lower pneumatic mechanism 6 are all used air cylinder, and upper pneumatic mechanism 3 is used to control twisting head 5 to move downwards, so that processing wire is clamped between twisting head 5 and rubbing plate 7, and upper pneumatic mechanism 3 can also be used as adjustable air cylinder, supports the quick adaptation of different wire diameter 0.5-6mm shielded wire, and can realize the clamping of different wire diameter wire harness;Lower pneumatic mechanism 6 is used to control rubbing plate 7 to move left and right quickly, and under the cooperation of twisting head 5 and rubbing plate 7, flexible materials such as wire, wire, hose are processed by friction or rotating action, such as wire twisting, peeling, twisting or fixing, realize the friction treatment or torsional forming on the surface of wire rod. Pneumatic wire twisting tool adopts multiple air cylinders to work cooperatively, realizes the automatic clamping, rotating twisting and releasing of shielded wire by air pressure control, replaces manual operation, ensures that wire twisting tension is uniform, makes metal shielding net evenly cover wire core, and improves coverage rate to more than 98%.

[0022] In specific use, the pneumatic wire twisting tool is used. Firstly, the wire harness to be twisted is placed on the twisting plate 7, then the upper pneumatic mechanism 3 is started to drive the twisting head 5 to move downwards, the wire harness is clamped between the twisting head 5 and the twisting plate 7, then the lower pneumatic mechanism 6 is started to drive the twisting plate 7 to move left and right quickly, the wire harness is automatically twisted through the cooperation of the twisting plate 7 and the twisting head 5, and the surface of the wire is rubbed or twisted to be formed.

[0023] The scheme adopts full pneumatic driving to realize continuous operation, the single-piece processing time is less than or equal to 3 seconds, the efficiency is improved by more than 5 times compared with manual operation; the self-adaptive twisting head 5 and the closed-loop air pressure control ensure that the twisting tension error is less than or equal to ± 5%, the shielding layer coverage rate reaches 99.2%; the modular design reduces the maintenance difficulty, the equipment failure rate is reduced by 40%, and the device is suitable for multiple specifications of wire harnesses without the need to replace the mold; there is no oil pollution, the clean requirement of the new energy automobile production workshop is met, and the operation noise is less than or equal to 65 dB. Embodiment

[0024] On the basis of the first embodiment, the wire harness will move left and right and swing during the twisting process, and may be out of the range of the twisting head 5. In order to solve this problem, the structure of the twisting head 5 is improved in the embodiment.

[0025] As shown in Figure 2 , Figure 3 and Figure 4 , the left and right sides of the twisting head 5 are provided with notches, the positions of the two notches are arranged along the moving direction of the twisting plate 7, a wheel seat 11 is longitudinally slidably sleeved in the notches, longitudinal sliding grooves 17 are arranged on the front and rear side walls of the notches, sliding blocks 18 matched with the sliding grooves 17 are arranged on the front and rear sides of the wheel seat 11, the wheel seat 11 is longitudinally limitedly slidably sleeved in the notches through the sliding blocks 18, the wheel seat 11 is installed in the notches through springs 13, the upper and lower ends of the springs 13 are connected to the upper surface of the wheel seat 11 and the top wall of the notches respectively, a roller 12 is rotatably sleeved in the wheel seat 11, the rolling direction of the roller 12 is consistent with the left and right moving direction of the twisting plate 7, and when the spring 13 is in a normal stretched state, the roller 12 protrudes from a part of the lower surface of the twisting head 5, and the height difference between the bottom end of the roller 12 and the lower surface of the twisting head 5 is greater than the diameter of the wire harness to be processed.

[0026] When the upper pneumatic mechanism 3 controls the twisting head 5 to move downwards to clamp the wire harness, the roller 12 will first contact the twisting plate 7, and under the compression cooperation of the spring 13, when the twisting head 5 cooperates with the twisting plate 7 to clamp the wire harness, the roller 12 will always be tightly attached to the surface of the twisting plate 7, and the wire harness is located between the two rollers 12. During the twisting process, the wire harness provides a limiting effect on the two sides of the twisting head 5 through the roller 12, limits the deviation range of the wire harness during the twisting process, can effectively prevent the wire harness from being out of the range of the twisting head 5, and the roller 12 rolls on the surface of the twisting plate 7 during the twisting process, reducing the friction between the two. Embodiment

[0027] On the basis of embodiment two, this embodiment provides the mounting structure and mode of mounting head 4 and wire twisting head 5.

[0028] As shown in Figure 2 and Figure 3 , the insertion slot 14 is provided in the mounting head 4, the top of the wire twisting head 5 is provided with the insertion block 15 matched with the insertion slot 14, the connection and fixation of the wire twisting head 5 and the mounting head 4 can be realized by inserting the insertion block 15 in the insertion slot 14, the convenience of mounting and dismounting and replacing the wire twisting head 5 on the upper pneumatic mechanism 3 is improved, and the direction of the insertion slot 14 and the insertion block 15 is perpendicular to the moving direction of the rubbing plate 7, so that the wire twisting head 5 is prevented from falling off in the wire twisting process.

[0029] In order to further improve the fixing effect of the insertion slot 14 and the insertion block 15, the recess is provided on the opposite surface of the insertion slot 14 and the insertion block 15, the magnet 16 is embedded in the recess, and the magnets 16 on the insertion slot 14 and the insertion block 15 are attracted to each other, so that the position of the wire twisting head 5 can be positioned by the magnetic attraction force of the two magnets 16 when the wire twisting head 5 is inserted and mounted on the mounting head 4 through the insertion block 15, the wire twisting head 5 can be positioned directly below the upper pneumatic mechanism 3, and the stability of the wire twisting head 5 mounted on the upper pneumatic mechanism 3 is improved.

[0030] The mounting head 4 and the wire twisting head 5 can also be fixed by bolt mounting, the through hole is provided in the corresponding position of the insertion slot 14 of the mounting head 4, the screw hole is provided on the insertion block 15 of the wire twisting head 5, the bolt is inserted in the through hole and the screw hole when the wire twisting head 5 and the mounting head 4 are assembled through the insertion slot 14 and the insertion block 15, and the mounting and fixation of the wire twisting head 5 and the mounting head 4 are realized by the bolt.

[0031] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A pneumatic wire twisting tool, comprising a base plate (1) and a vertical plate (2), the base plate (1) is provided with supporting legs (10) in a rectangular arrangement below, and the vertical plate (2) is vertically welded and fixed on one side of the front end of the base plate (1), characterized in that: The vertical plate (2) is longitudinally provided with an upper pneumatic mechanism (3), and the lower output end of the upper pneumatic mechanism (3) is fixedly connected with a mounting head (4), and the lower part of the mounting head (4) is provided with a wire twisting head (5); the bottom plate (1) is horizontally provided with a lower pneumatic mechanism (6), and the front output end of the lower pneumatic mechanism (6) is fixedly connected with a rubbing plate (7), and the rubbing plate (7) is arranged below the wire twisting head (5); the left and right sides of the wire twisting head (5) are provided with notches, and the positions of the two notches are arranged along the moving direction of the rubbing plate (7); a wheel seat (11) is longitudinally and slidingly sleeved in the notches, and the wheel seat (11) is installed in the notches through springs (13); the wheel seat (11) is rotatably sleeved with a roller (12), the rolling direction of the roller (12) is consistent with the moving direction of the rubbing plate (7), and the bottom end of the roller (12) and the lower surface of the wire twisting head (5) have a height difference.

2. The pneumatic wire twisting tool of claim 1, wherein: The upper pneumatic mechanism (3) and the lower pneumatic mechanism (6) are both air cylinders.

3. The pneumatic wire twisting tool of claim 1, wherein: The bottom plate (1) is horizontally provided with a guide rail (8), and the bottom of the rubbing plate (7) is provided with a guide block (9), and the rubbing plate (7) is slidingly sleeved in the guide rail (8) through the guide block (9).

4. The pneumatic wire twisting tool of claim 1, wherein: The mounting head (4) is provided with a slot (14) penetrating through the mounting head (4), and the top of the wire twisting head (5) is provided with an insertion block (15) matched with the slot (14), and the wire twisting head (5) is inserted into the slot (14) through the insertion block (15).

5. The pneumatic wire twisting tool of claim 1, wherein: The side wall of the notch is longitudinally provided with a sliding groove (17), and the side of the wheel seat (11) is provided with a sliding block (18) matched with the sliding groove (17), and the wheel seat (11) is slidingly sleeved in the notch through the sliding block (18).

6. The pneumatic wire twisting tool of claim 4, wherein: The opposite surfaces of the slot (14) and the insertion block (15) are provided with grooves, and the grooves are embedded with magnets (16), and the magnets (16) on the slot (14) and the insertion block (15) are attracted to each other, and the mounting head (4) and the wire twisting head (5) are limitingly fixed through the two magnets (16).

7. The pneumatic wire twisting tool of claim 4, wherein: The mounting head (4) and the wire twisting head (5) are fixed through bolts.

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