Shell terminal welding wire variable-pitch clamp mechanism capable of splicing multiple wires
The multi-wire bonding terminal spacing clamp mechanism with shell can automatically adjust the wire spacing using guide rails and servo motors, solving the problem of poor compatibility of existing equipment, improving the flexibility and accuracy of wire bonding, and is suitable for bonding various PCB boards.
Patent Information
- Application Number
- CN202520443772.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-13
AI Technical Summary
Existing PCB wire bonding equipment has poor compatibility and requires manual adjustment of wire spacing, resulting in poor flexibility, low efficiency, and large errors.
The multi-wire bonding terminal clamping mechanism with shell is used. It utilizes vertical guide rails, horizontal guide rails and guide grooves to automatically adjust the wire spacing through servo motors and pneumatic grippers. Combined with the design of wire separating plates and wire pressing plates, it can achieve precise clamping and variable spacing of the wire.
It enables automated adjustment of wire spacing, improves the flexibility and efficiency of wire bonding, reduces errors, and ensures the accuracy and stability of welding, making it suitable for wire bonding processes on various PCB boards.
Smart Images

Figure CN223848270U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wire soldering technology, and in particular to a variable pitch clamp mechanism for bonding multi-wire terminals with shells. Background Technology
[0002] The market demand for PCBs varies, resulting in a wide variety of PCB types across industries. Consequently, the size and shape of PCB panels produced vary depending on the specific product requirements, and the spacing between the panels also differs.
[0003] However, current PCB wire bonding equipment can only be customized to fit the actual spacing of the PCB panel. Such equipment can only bond wires to PCBs with fixed spacing, resulting in extremely poor equipment compatibility. Most of the equipment on the market adjusts the spacing between the wires manually to match the PCB wire bonding, which is less flexible, less efficient, and has a large error during the soldering process. Utility Model Content
[0004] Therefore, it is necessary to provide a variable-pitch clamp mechanism for multi-wire bonding terminals that can accommodate multiple wires, addressing the problem that most commercially available products adjust the spacing between wires manually to facilitate PCB bonding, resulting in poor flexibility, low efficiency, and large errors during bonding.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a multi-wire-connecting terminal wire bonding variable-pitch clamp mechanism, comprising: a mounting frame, a vertical guide slide rail mounted on the mounting frame, and a first horizontal guide slide rail and a second horizontal guide slide rail arranged front and rear on the mounting frame;
[0006] The first horizontal guide rail is located above the second horizontal guide rail, and there is an interval movement area between the first horizontal guide rail and the second horizontal guide rail.
[0007] The first and second horizontal guide rails are each equipped with two mounting bases that move in opposite directions. Each mounting base is equipped with a pneumatic gripper, and each mounting base has a sliding rod on its back.
[0008] The vertical guide rail is equipped with a slide plate, which has a guide groove that slides in accordance with each slide bar. The slide plate is also equipped with a push block. The top of the mounting frame is equipped with a lead screw and a servo motor assembly that are threadedly connected to the push block.
[0009] The air claw is provided with a mounting block, two wire separating pieces for separating wires are arranged on the mounting block at intervals, the two wire separating pieces are located between the two clamping plates of the air claw, and the mounting block is further provided with a wire pressing piece; the driving mechanism is lowered to insert the wire separating pieces between adjacent wires, and the air claw drives the clamping plates to clamp the wires in cooperation with the wire separating pieces, and the lead screw and the servo motor assembly drive the sliding plate to move upwards, so that the sliding rod drives each mounting base to move along the guide inclined grooves, so that the pitch of the wires is changed.
[0010] Preferably, the wire pressing piece is provided with a plurality of wire insertion grooves at the end, and the distance between the two wire separating pieces is equal to the distance between the wire insertion grooves.
[0011] Preferably, the wire separating piece is elastic.
[0012] Preferably, the initial positions of each guide inclined groove are located on the same horizontal plane, and the terminal positions of each guide inclined groove are located on the same horizontal plane.
[0013] Preferably, the mounting base slidingly arranged on the second horizontal guide sliding rail slides in the interval active area.
[0014] Preferably, the inclination angles of the two guide inclined grooves on the outer side are greater than the inclination angles of the two guide inclined grooves on the inner side, and the two guide inclined grooves on the outer side and the two guide inclined grooves on the inner side are in an eight-character shape.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] 1. The driving mechanism is lowered to insert the wire separating pieces between adjacent wires, and the air claw drives the clamping plates to clamp the wires in cooperation with the wire separating pieces, and the lead screw and the servo motor assembly drive the sliding plate to move upwards and downwards, so that the sliding rod drives each mounting base to move along the guide inclined grooves, so that the pitch of the wires is changed, without manual adjustment of the wire pitch, so that the automatic adjustment of the wire pitch is realized, the flexibility and efficiency of soldering are improved, and the error is reduced. Through the cooperation of the vertical guide sliding rail, the first horizontal guide sliding rail and the second horizontal guide sliding rail, and the cooperation of the sliding rod and the guide inclined groove, the accurate adjustment of the wire pitch is realized. In addition, through the arrangement of the wire separating piece and the wire pressing piece, the wires can be effectively separated and clamped, and the accuracy and stability of soldering are further improved. The utility model can be widely applied to soldering processes of various PCBs, and has wide applicability and practicality.
[0017] 2. The 2-3 pin terminal wire clamp can be welded, and the center distance of the wire and the height of the welding point are consistent.
[0018] 3. The distance between the terminal wires can be freely set.
[0019] 4. It is basically compatible to realize the soldering of 2-3 pin terminal wires of PCB single boards and spliced boards.
[0020] 5. Digitization operation, variable distance only needs to set the value.
[0021] 6. High positioning accuracy, strong consistency and no damage to the line. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is the front view of the utility model;
[0023] Figure 2 It is the structure schematic diagram of one view angle of the utility model;
[0024] Figure 3 It is the structure schematic diagram of the utility model after removing the installation frame. DETAILED DESCRIPTION
[0025] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model are described in detail below. In the following description, a lot of specific details are set forth in order to fully understand the utility model. But the utility model can be implemented in many other ways different from the description, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, therefore the utility model is not limited by the following disclosed specific embodiments.
[0026] Please refer to Figure 1 , Figure 2 and Figure 3 , the embodiment provides a multi-splicing line's shell terminal wire welding variable distance clamping mechanism, the multi-splicing line's shell terminal wire welding variable distance clamping mechanism is applied to the multi-core terminal wire clamp, variable distance soldering process of PCB board industry, it includes installation frame 1, installation frame 1 installs vertical guide slide rail 2, installation frame 1 still installs first horizontal guide slide rail 3 and second horizontal guide slide rail 15 arranged in front and back;First horizontal guide slide rail 3 is located on the upside of second horizontal guide slide rail 15, and first horizontal guide slide rail 3 and second horizontal guide slide rail 15 have interval movable area 4 between them.
[0027] Wherein, two installation bases 5 moving in opposite directions are slidably arranged on the first horizontal guide rail 3 and the second horizontal guide rail 15, the installation base 5 slidably arranged on the second horizontal guide rail 15 slides in the interval moving area 4, the installation base 5 is L-shaped, a pneumatic gripper 6 is arranged at the end of each installation base 5, the pneumatic gripper 6 is used for clamping the wire, a slide rod 7 is arranged at the back of each installation base 5, a slide plate 8 is slidably arranged on the vertical guide rail 2, the slide plate 8 is provided with a guide inclined groove 9 corresponding to each slide rod 7, the slide plate 8 is further provided with a push block 10; a screw rod and a servo motor assembly 11 are arranged on the top of the installation frame 1 and are threadedly connected with the push block 10, when the pneumatic gripper 6 clamps the wire, the screw rod and the servo motor assembly 11 are started to make the screw rod rotate, the push block 10 threadedly connected with the screw rod drives the slide plate 8 to move upwards or downwards along the vertical guide rail 2, and then the slide rod 7 drives each installation base 5 to move along the guide inclined groove 9, so that the distance between the adjacent installation bases 5 gradually becomes wider or narrower, the pneumatic gripper 6 moves in the direction of the widening or narrowing of the installation base 5, so that the distance between the pneumatic grippers 6 clamping the wire gradually changes until it is consistent with the PCB panel, so that the wire distance welding is realized.
[0028] In an optional embodiment, the initial position of each guide inclined groove 9 is in the same horizontal plane, and the terminal position of each guide inclined groove 9 is in the same horizontal plane, wherein the inclination angle of the two outer guide inclined grooves 9 is greater than the inclination angle of the two inner guide inclined grooves 9, and the two outer guide inclined grooves 9 and the two inner guide inclined grooves 9 are in an eight-shaped form, when the slide plate 8 moves in the vertical direction, the corresponding slide rod 7 and installation base 5 move relatively longer in the horizontal direction due to the larger inclination angle of the two outer guide inclined grooves 9, and the corresponding slide rod 7 and installation base 5 move relatively shorter in the horizontal direction due to the smaller inclination angle of the two inner guide inclined grooves 9. This design ensures that the relative distance change of the four installation bases 5 remains consistent during movement, that is, the distance between the adjacent installation bases 5 changes uniformly, in addition, the eight-shaped guide inclined groove 9 layout also helps to provide stable guidance during the movement of the installation base 5, reduces the shaking or deviation caused by movement, so as to ensure that the wire clamped by the pneumatic gripper 6 can be accurately aligned with the terminal on the PCB panel, and precise welding work is realized.
[0029] In an optional embodiment, the gas claw 6 is provided with a mounting block 12, two wire separation pieces 13 for separating wires are arranged on the mounting block 12 at intervals, the two wire separation pieces 13 are located between the two clamping plates of the gas claw 6, the mounting block 12 is further provided with a wire pressing piece 14, and a plurality of wire insertion grooves 140 are formed at the end of the wire pressing piece 14 at equal intervals from the two wire separation pieces 13; the entire shell terminal wire welding variable pitch clamping mechanism is driven to move downward by the air cylinder arranged on the device, the wire is inserted into the wire insertion groove 140, and then the wire is positioned in the interval of the wire pressing piece 14, and the wire soldering end is pressed downward to form a certain downward angle, at this time, the gas claw 6 drives the clamping plate to clamp the wire, the wire separation piece 13 has the elastic property, and the wire in the middle of the wire separation piece 13 can also be clamped at the same time when the gas claw 6 is clamped, and finally the gas claw 6 moves with the mounting base 5 to realize the variable pitch welding of the wire.
[0030] In summary, the shell terminal wire welding variable pitch clamping mechanism is driven to move downward, the wire separation piece 13 is inserted between adjacent wires, and the wire is clamped by the clamping plate driven by the gas claw 6 and the wire separation piece 13, after the wire is clamped and held at intervals by the gas claw 6, the screw rod and the servo motor assembly 11 drive the sliding plate 8 to move upward or downward, the sliding rod 7 drives each mounting base 5 to move along the guide inclined groove 9, so that the variable pitch of the wire is realized, manual adjustment of the wire pitch is not required, the automatic adjustment of the wire pitch is realized, the flexibility and efficiency of the wire welding are improved, and the error is reduced. Through the cooperation of the vertical guide sliding rail 2, the first horizontal guide sliding rail 3 and the second horizontal guide sliding rail 15, and the cooperation of the sliding rod 7 and the guide inclined groove 9, the precise adjustment of the wire pitch is realized. In addition, the wire separation piece 13 and the wire pressing piece 14 can effectively separate and clamp the wire, and the accuracy and stability of the wire welding are further improved. The utility model can be widely applied to the wire welding process of various PCBs, and has wide applicability and practicality.
[0031] In the utility model, unless there is definite stipulation and limitation, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can be detachable connection, or integrally connected, can be mechanical connection, or electrical connection, can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0032] In the utility model, unless another definite provision and limitation, first feature is "on" or "under" second feature can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them. Moreover, first feature "on", "above" and "on" second feature include that first feature is directly above and obliquely above second feature, or only indicate that first feature horizontal height is higher than second feature. First feature "under", "below" and "under" second feature include that first feature is directly below and obliquely below second feature, or only indicate that first feature horizontal height is less than second feature.
[0033] Unless otherwise defined, technical terms or scientific terms used herein should be understood as having the common meaning in the field of the utility model. The "first", "second" and similar words used in the utility model patent application specification and claims do not represent any order, quantity or importance, but are only used to distinguish different components. Similarly, "one" or "a" and similar words also do not represent quantity limitation, but represent the existence of at least one.
[0034] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered that it is within the scope of the present specification.
Claims
1. A multi-wire capable shell terminal wire bonding pitch varying clamp mechanism, characterized by, The utility model relates to a kind of wire spacing device, including: Mounting frame, vertical guide slide rail is installed in mounting frame, first horizontal guide slide rail and second horizontal guide slide rail are also installed in mounting frame and are arranged in front and back; First horizontal guide slide rail is located on the upside of second horizontal guide slide rail, and there is interval active area between first horizontal guide slide rail and second horizontal guide slide rail; First horizontal guide slide rail and second horizontal guide slide rail are slidably provided with 2 installation bases moving in opposite directions, air claw is arranged on installation base, and each installation base back is provided with slide rod; Slip plate is slidably provided with vertical guide slide rail, and slip plate is provided with guide inclined slot corresponding with each slide rod, and slip plate is further provided with push block;The top of mounting frame is provided with screw rod and servo motor assembly screw-connected with push block; Wherein, air claw is provided with mounting block, two line separating pieces for separating wire are arranged on mounting block, two line separating pieces are located between the two clamping plates of air claw, and mounting block is further provided with line pressing piece;Drive mechanism moves downwards, and line separating piece is inserted between adjacent wire, and wire is clamped by air claw drive clamping plate and line separating piece, and screw rod and servo motor assembly drive slip plate to move upwards, so that each installation base is moved along guide inclined slot, to realize wire pitch change.
2. The multi-wire capable band shell terminal bonding wire pitch varying clamp mechanism according to claim 1, wherein, Multiple wire insertion grooves with equal interval distance are formed in the end of line pressing piece.
3. The multi-wire capable, band shell terminal wire bonding pitch varying clamp mechanism of claim 1, wherein, Line separating piece is elastic.
4. The multi-wire capable, band shell terminal wire bonding pitch varying clamp mechanism of claim 1, wherein, The initial position of each guide inclined slot is in the same horizontal plane, and the terminal position of each guide inclined slot is in the same horizontal plane.
5. The multi-wire capable, band shell terminal wire bonding pitch varying clamp mechanism of claim 1, wherein, The installation base slidably provided with second horizontal guide slide rail slides in interval active area.
6. The multi-wire capable, band shell terminal wire bonding pitch varying clamp mechanism of claim 4, wherein, The inclination angle of two guide inclined slots on the outside is greater than the inclination of two guide inclined slots on the inside, and the two guide inclined slots on the outside and the two guide inclined slots on the inside are in the shape of an eight.