Cable joint welding device for cable production

Abstract

The invention relates to the field of cable joint welding, in particular to a cable joint welding device for cable production, which comprises a welding execution assembly, a cable joint welding assembly and a cable joint welding assembly, the cable positioning and automatic switching module comprises a cable clamping row which is detachably installed. The cable clamping row is provided with a plurality of clamping grooves which are used for temporarily fixing a plurality of core wires. The linkage assembly is connected among the multi-degree-of-freedom adjusting assembly, the welding gun and the cable positioning and automatic switching module; when the multi-degree-of-freedom adjusting assembly drives the whole welding execution assembly to move towards the cable connector so as to execute single-point welding, the linkage assembly is in a first state, and a current core wire on the cable clamping row is allowed to move synchronously with a welding gun and be inserted into a corresponding insertion hole; and when the multi-degree-of-freedom adjusting assembly drives the whole welding execution assembly to be away from the cable connector to reset, the linkage assembly is converted into the second state, the cable clamping row is driven to move so as to be switched to the next to-be-welded core wire, and the welded core wire is ejected out of the corresponding clamping groove to be separated from the corresponding clamping groove.

Description

Technical Field

[0001] This invention relates to the field of cable joint welding, and in particular to a cable joint welding apparatus for cable production. Background Technology

[0002] In the field of cable assembly and manufacturing, welding the core wires of cable connectors such as aviation plugs is a critical process. Currently, the common method is for operators to hold the cable and connector simultaneously, aligning and inserting the multiple core wires stripped from the cable end one by one with the corresponding holes inside the connector. Then, automatic or semi-automatic welding equipment is used to fuse and fix each connection point one by one using the high temperature energy generated. This process is highly dependent on the precise alignment and operation of the operator.

[0003] However, in the aforementioned manual operation method, due to the limited length of the conductive portion stripped from the core wire insulation layer, and the requirement to insert a section of the core wire into the socket to achieve electrical connection, the operator's hand holding the cable is extremely close to the high-temperature welding area. The high-temperature energy generated by the welding equipment during operation can easily reach the operator's fingers through heat conduction or radiation, posing a serious risk of burns. Although operators can alleviate this problem by wearing protective finger cots, this not only increases the operational burden, affects feel and dexterity, and reduces connection accuracy and welding efficiency, but also fails to completely eliminate safety hazards. Therefore, the existing technology suffers from significant drawbacks, including poor operational safety, low operator comfort, and limitations on overall work efficiency and quality stability. Summary of the Invention

[0004] Therefore, the technical problem to be solved by the present invention is that: when performing core wire soldering on existing aviation plugs, the manual hand-held part is too close to the high-temperature soldering point, which poses a safety hazard that can easily burn the operator and affect the soldering accuracy and efficiency.

[0005] The technical problems are solved by the following technical solutions: the present application provides a cable joint welding device for cable production, comprising a workbench; a clamping assembly arranged on the workbench for fixing the cable joint and exposing the jack end of the cable joint upward; a multi-degree-of-freedom adjusting assembly installed on the workbench; a welding execution assembly installed on the output end of the multi-degree-of-freedom adjusting assembly, the welding execution assembly comprising a welding gun and a cable positioning and automatic switching module; the cable positioning and automatic switching module comprises a detachable cable clamp row, and a plurality of clamping grooves for temporarily fixing a plurality of core wires are arranged on the cable clamp row; and a linkage assembly connected between the multi-degree-of-freedom adjusting assembly, the welding gun and the cable positioning and automatic switching module; when the multi-degree-of-freedom adjusting assembly drives the welding execution assembly as a whole to move towards the cable joint to perform single-point welding, the linkage assembly is in a first state, allowing the current core wire on the cable clamp row to move synchronously with the welding gun and be inserted into the corresponding jack; when the multi-degree-of-freedom adjusting assembly drives the welding execution assembly as a whole to reset away from the cable joint, the linkage assembly is switched to a second state, driving the cable clamp row to move to switch to the next core wire to be welded, and the welded core wire is ejected from the corresponding clamping groove.

[0006] In a preferred embodiment of the cable joint welding device for cable production described in the present application: the clamping assembly comprises a drive source; a turntable connected to the output shaft of the drive source and driven to rotate by the drive source; and an elastic clamp arranged on the turntable for holding the outer periphery of the cable joint.

[0007] In a preferred embodiment of the cable joint welding device for cable production described in the present application: the elastic clamp comprises an outer ring fixed to the turntable, a plurality of elastic rods uniformly distributed circumferentially along the outer ring, and an arc-shaped clamp piece arranged at the end of each elastic rod; a plurality of arc-shaped clamp pieces collectively enclose a space for accommodating and clamping the cable joint.

[0008] In a preferred embodiment of the cable joint welding device for cable production described in the present application: the cable positioning and automatic switching module further comprises a hinged seat connected to the welding gun; a guide structure arranged on the hinged seat; and the cable clamp row is slidably installed on the hinged seat through the guide structure, so that the cable clamp row can move horizontally along the arrangement direction of the clamping grooves.

[0009] In a preferred embodiment of the cable joint welding device for cable production: the linkage assembly comprises a lifting reset unit arranged in the articulated seat and generating axial displacement in response to the overall descent or ascent of the welding execution assembly; a one-way transmission unit connected with the lifting reset unit and configured to output rotary power only when the lifting reset unit moves in the reset direction; a gear and rack unit comprising a gear ring connected with the output end of the one-way transmission unit and a rack fixedly connected with the cable clamp row, the rack being engaged with the gear ring to convert the rotary motion of the gear ring into the horizontal linear motion of the cable clamp row.

[0010] In a preferred embodiment of the cable joint welding device for cable production: the lifting reset unit comprises a screw rod having one end connected with the input end of the one-way transmission unit; a spring seat arranged in the articulated seat; and a first spring accommodated in the spring seat and providing the screw rod with a pre-tightening force to keep the reset tendency, wherein the screw rod compresses the first spring to move axially when the core wire insertion into the insertion hole is blocked.

[0011] In a preferred embodiment of the cable joint welding device for cable production: the linkage assembly further comprises an ejection unit, the ejection unit comprising a plurality of ejection rods, each of the ejection rods corresponding to one of the clamping slots and being horizontally movably installed in the cable clamp row with the inner end located beside the rotation path of the gear ring; a trigger lug fixed on the gear ring and rotating with the gear ring to periodically contact and push the inner end of the ejection rod; and a second spring providing the ejection rod with an elastic force to keep the outer end of the ejection rod retracted out of the clamping slot, wherein the outer end of the ejection rod extends into the corresponding clamping slot to eject the welded core wire when the trigger lug pushes the ejection rod.

[0012] In a preferred embodiment of the cable joint welding device for cable production: two elastic clamping pieces are symmetrically arranged in each of the clamping slots of the cable clamp row to clamp the core wire in the natural state and allow the core wire to be released when subjected to the axial thrust of the ejection rod.

[0013] In a preferred embodiment of the cable joint welding device for cable production: the multi-degree-of-freedom adjustment assembly comprises a horizontal module, a longitudinal module and a vertical module for driving the welding execution assembly to move in the three-dimensional space.

[0014] In a preferred embodiment of the cable joint welding device for cable production of the present invention, a control module is further included. The control module is electrically connected to the drive source, the multi-degree-of-freedom adjustment component and the welding torch, and is used to control the rotation indexing of the cable joint, the position movement of the welding execution component and the start and stop of the welding torch, so as to realize the automatic sequential welding of multiple rows of sockets.

[0015] The beneficial effects of this invention are as follows: 1. It completely eliminates the risk of burns to operators and improves operational safety. This device is equipped with a clamping component to fix the cable connector and is designed with an independent cable positioning and automatic switching module (including cable clips, hinge seats and guide structures) to carry and transport the core wire. Operators only need to complete the preparation work of clamping the connector and inserting the core wire into the clips before welding. In the subsequent welding cycle, their hands do not need to touch the workpiece or approach the welding point, thus being physically isolated from the high-temperature area.

[0016] 2. Achieving a fundamental shift from "single-point manual" to "continuous automatic" welding, significantly improving production efficiency. The lifting and resetting action of the welding torch (driven by a multi-degree-of-freedom adjustment component) is forcibly linked with two subsequent actions through a linkage component: first, the cable tray is moved laterally via a gear and rack unit, automatically switching to the next core wire to be welded; second, the welded core wire is automatically ejected from the slot by an ejection unit. This design allows the device to simultaneously complete the three steps of welding, wire changing, and wire removal within a single automatic "descent-welding-ascending" cycle, without manual intervention, achieving truly automated continuous operation. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments of the present invention will be briefly described below. Obviously, the drawings described below only relate to some embodiments of the present invention and are not intended to limit the present invention. Wherein: Figure 1 This is a schematic diagram of the three-dimensional structure of this application. Figure 1 ; Figure 2 This is a schematic diagram of the three-dimensional structure of this application. Figure 2 ; Figure 3 This is a side view structural diagram of this application; Figure 4 This is a top view of the structural portion of this application; Figure 5 This is a three-dimensional schematic diagram of the welding execution component and clamping component of this application; Figure 6 This is a three-dimensional schematic diagram of the cable positioning and automatic switching module of this application; Figure 7 for Figure 6 A schematic diagram of the cross-sectional structure; Figure 8 For Figure 7 A-A cross-sectional structure schematic diagram in the middle; Figure 9 For Figure 7 B structure enlargement schematic diagram in the middle; Figure 10 For Figure 8 C structure enlargement schematic diagram in the middle.

[0018] In the figure: 1, workbench; 2, clamping assembly; 21, driving source; 22, rotary table; 23, elastic clamp; 231, outer ring; 232, elastic rod; 233, arc-shaped clamping piece; 3, multi-freedom adjustment assembly; 31, horizontal module; 32, longitudinal module; 33, vertical module; 4, welding execution assembly; 41, welding gun; 42, cable positioning and automatic switching module; 421, hinged seat; 422, guide structure; 423, cable clamp row; 4231, clamping groove; 4232, elastic clamping piece; 5, linkage assembly; 51, lifting reset unit; 511, screw rod; 512, spring seat; 513, first spring; 52, one-way transmission unit; 53, gear and rack unit; 531, tooth ring; 532, rack; 54, ejection unit; 541, ejection rod; 542, trigger bump; 543, second spring; 6, control module. DETAILED DESCRIPTION

[0019] In order for those skilled in the art to better understand the present application, the present application will be further described in detail below in conjunction with specific embodiments and drawings.

[0020] The terms used in the present application are those general terms currently widely used in the art in consideration of the functions about the present application, but these terms can be changed according to the intention of those skilled in the art, precedents, or new technology in the art. In addition, specific terms can be selected by the applicant, and in this case, the detailed meaning thereof will be described in the detailed description of the present application. Therefore, the terms used in the specification should not be understood as simple names, but based on the meaning of the terms and the overall description of the present application.

[0021] Referring to Figures 1-10The embodiment provides a cable joint welding device for cable production, which comprises a workbench 1, a clamping assembly 2 arranged on the workbench 1 and used for fixing a cable joint and exposing a jack end face of the cable joint upward, a multi-degree-of-freedom adjusting assembly 3 installed on the workbench 1, a welding execution assembly 4 installed on an output end of the multi-degree-of-freedom adjusting assembly 3, wherein the welding execution assembly 4 comprises a welding gun 41 and a cable positioning and automatic switching module 42, the cable positioning and automatic switching module 42 comprises a detachable cable clamp row 423, a plurality of clamping grooves 4231 for temporarily fixing a plurality of core wires are arranged on the cable clamp row 423, and a linkage assembly 5 is connected between the multi-degree-of-freedom adjusting assembly 3, the welding gun 41 and the cable positioning and automatic switching module 42; when the multi-degree-of-freedom adjusting assembly 3 drives the welding execution assembly 4 to move toward the cable joint as a whole to perform single-point welding, the linkage assembly 5 is in a first state, the current core wire on the cable clamp row 423 is allowed to move synchronously with the welding gun 41 and is inserted into a corresponding jack, and when the multi-degree-of-freedom adjusting assembly 3 drives the welding execution assembly 4 to reset away from the cable joint as a whole, the linkage assembly 5 is switched to a second state, the cable clamp row 423 is driven to move to switch to a next core wire to be welded, and the welded core wire is ejected from the corresponding clamping groove 4231.

[0022] The device is based on a stable workbench 1, and three functional modules are mainly integrated on the workbench 1, namely a clamping assembly 2 for fixing a cable joint to be welded, a multi-degree-of-freedom adjusting assembly 3 for accurate positioning in a three-dimensional space and a welding execution assembly 4 driven by the multi-degree-of-freedom adjusting assembly 3 and used for welding and core wire conveying. In addition, a linkage assembly 5 is arranged in the device and used for organically coupling the movements of the assemblies, so that the automation circulation of welding and core wire switching is realized.

[0023] The primary task of the clamping assembly 2 is to firmly fix the cable joint and stably expose the side to be welded (namely, an end face provided with a plurality of rows of jacks) upward, so as to provide an accurate and unobstructed working interface for welding operation. The welding execution assembly 4 integrates two key functions, one is a traditional welding gun 41 used for generating high-temperature energy required for welding to fuse metal, and the other is a cable positioning and automatic switching module 42, which comprises a detachable cable clamp row 423, and a plurality of core wires stripped from the end of a cable can be correspondingly placed in and temporarily fixed in a plurality of clamping grooves 4231 arranged on the cable clamp row 423 in advance, so that the plurality of scattered core wires are regularly arranged and the relative position between the core wires and the welding gun 41 is determined, thereby laying a foundation for subsequent automatic positioning and welding. The multi-degree-of-freedom adjusting assembly 3 serves as a power source and is responsible for driving the whole welding execution assembly 4 to move along a predetermined track, and typical movements thereof include driving the welding gun 41 and the cable clamp row 423 to descend together to approach the joint and driving the welding gun 41 and the cable clamp row 423 to ascend to return after welding.

[0024] The linkage assembly 5 of the present application is mechanically connected and transmitted between the above-mentioned assemblies, and its function is to automatically trigger two different working stages according to the lifting movement of the welding execution assembly 4, thereby forming a complete "welding, switching" automation cycle. When the multi-degree-of-freedom adjusting assembly 3 drives the welding execution assembly 4 to move (i.e., descend) as a whole towards the cable joint to perform single-point welding, the linkage assembly 5 is in the first state. In this state, the linkage assembly 5 allows or maintains the cable clamp row 423 and the core wire on the welding gun 41 currently aligned with it to descend synchronously with the welding gun 41. The effect is that the core wire can be accurately inserted into the corresponding target jack on the cable joint, and then the welding gun 41 can perform welding on the connection point. In this process, the linkage assembly 5 substantially "locks" the horizontal position of the cable clamp row 423, ensuring the accuracy of alignment. Once single-point welding is completed, when the multi-degree-of-freedom adjusting assembly 3 drives the welding execution assembly 4 to reset (i.e., ascend) away from the cable joint as a whole, the linkage assembly 5 is automatically triggered to switch from the first state to the second state. In the second state, the linkage assembly 5 mainly performs two key actions: first, it drives the cable clamp row 423 to move horizontally along the arrangement direction of the clamping slots 4231 by a fixed distance. This action is equivalent to moving the already welded core wire out of the working position, and accurately moving the next core wire to be welded directly below the welding gun 41, preparing for the next welding. Second, it ejects the core wire that has just completed welding from the clamping slot 4231 where it originally was, which enables the core wire to automatically separate from the cable clamp row 423 after welding, avoiding interference or pulling of the already welded cable during subsequent movement or replacement of the clamp row.

[0025] In summary, the present application integrates clamping, adjusting, welding execution, and linkage assemblies 5 to integrate the arrangement, positioning, insertion, welding, separation, and position switching of core wires into a coherent automated process. The operator only needs to complete the preparation work of installing the joint and preloading the core wire clamp row, and the subsequent point-by-point welding and switching can be automatically completed by the device, which fundamentally avoids the danger of manually holding the cable near the high-temperature welding point, significantly improving the safety and efficiency of the operation.

[0026] The clamping assembly 2 includes a driving source 21; a turntable 22 connected to the output shaft of the driving source 21 and driven to rotate by it; and an elastic clamp 23 arranged on the turntable 22 for holding the outer periphery of the cable joint. The clamping assembly 2 reliably fixes the cable joint (such as an aviation plug) to be welded and has the ability to rotate and index, so as to rotate the jacks at different positions on the joint to the welding position in turn.

[0027] The clamping assembly 2 mainly comprises a driving source 21, which is usually a controllable motor such as a servo motor or a stepper motor, and is fixedly installed below the device workbench 1. The driving source 21 is responsible for providing accurate rotary power and control. It also comprises a turntable 22, which is a rigid disc-shaped component directly connected to the output shaft of the driving source 21. Therefore, when the driving source 21 is working, the rotary motion output by the driving source 21 will be transmitted to the turntable 22 without loss, enabling the turntable 22 to rotate accurately in the horizontal plane. The upper surface of the turntable 22 constitutes a platform for installing the elastic clamp 23. The elastic clamp 23 is an execution component that directly contacts and fixes the cable joint. It is integrally arranged at the center of the upper surface of the turntable 22. Its design adopts the principle of radial elastic holding: the clamp has a fixed base outer ring 231, and a plurality of elastic clamping arms or similar structures extend from the base periphery. The inner side of the end of each clamping arm is usually provided with an arc-shaped clamping piece 233. When the operator presses the cylindrical cable joint into the central area surrounded by the arc-shaped clamping pieces 233 along the axial direction, the outer wall of the joint will extrude each arc-shaped clamping piece 233. This extrusion action causes the elastic deformation (such as bending or stretching) of each clamping arm, thereby generating a continuous and uniform restoring force directed towards the center. This restoring force acts on the outer peripheral surface of the cable joint through the arc-shaped clamping pieces 233, forming a firm holding. This design enables the clamp to adapt to joints of a certain size range and automatically recover to an open state after the external force is removed, facilitating taking and placing.

[0028] In summary, the working process of the clamping assembly 2 is as follows: first, the cable joint is vertically pressed into the elastic clamp 23 on the turntable 22 with its jack end facing upwards, and the clamp automatically holds and fixes it. When it is necessary to weld jacks at different positions, the control module instructs the driving source 21 to start, driving the turntable 22 along with the fixed cable joint to rotate by a precise angle, thereby aligning the next jack to be welded with the welding torch 41 above. This design integrates the functions of fixing and rotating into one, providing a basis for realizing the automatic sequential welding of multiple rows and columns of jacks.

[0029] The elastic clamp 23 comprises a fixed outer ring 231 on the turntable 22, a plurality of elastic rods 232 evenly distributed along the periphery of the outer ring 231, and arc-shaped clamping pieces 233 arranged at the ends of each elastic rod 232. The plurality of arc-shaped clamping pieces 233 collectively form a space for accommodating and clamping the cable joint.

[0030] The elastic clamp 23 adopts a configuration of central fixation and peripheral elastic expansion, which is composed of three core parts: an outer ring 231 as a mounting base, a plurality of elastic rods 232 for elastic support, and arc-shaped clamping pieces 233 that directly contact and clamp the workpiece.

[0031] The outer ring 231 is a ring-shaped component with sufficient rigidity and mounting strength, which is firmly mounted on the rotary table 22 by means of bolt connection or welding, and constitutes the static base of the entire fixture, all the moving parts are supported and positioned by it. The number of elastic rods 232 is multiple, for example, four, six or eight, which are evenly distributed along the circumferential direction of the outer ring 231, one end of each elastic rod 232 is sleeved on the outer side or upper surface of the outer ring 231, and the other end is in a free cantilever state, extending radially outward, the elastic rods 232 include a rod body and a spring sleeved on the outer side of the rod body, and the arc-shaped clamping pieces 233 are the contact pieces directly performing the clamping function, each arc-shaped clamping piece 233 is fixedly connected to the free end of an elastic rod 232, and the inner side surface thereof is processed into an arc-shaped concave surface matched with the outer wall of the cable joint (usually cylindrical) to increase the contact area and ensure stable clamping without damaging the joint surface, and the inner arc surfaces of all the arc-shaped clamping pieces 233 jointly face the center and enclose an approximately circular accommodating space.

[0032] The working principle of the fixture is as follows: in the initial (uninstalled workpiece) state, the elastic rods 232 are in the natural position, and the space surrounded by the arc-shaped clamping pieces 233 is slightly smaller in diameter than the outer diameter of the cable joint to be clamped. When the joint needs to be installed, the operator aligns the joint in the axial direction and presses it, and the outer wall of the joint is in contact with the arc-shaped clamping pieces 233 and applies a radially outward pushing force to them. This pushing force forces the arc-shaped clamping pieces 233 to deform radially outward together with the elastic rods 232 connected thereto, overcoming the elastic resistance, so that the enclosed space is expanded to allow the joint to enter. Once the joint passes through and reaches the predetermined position, the elastic restoring force accumulated in the elastic rods 232 continuously and uniformly acts on the outer peripheral surface of the joint through the arc-shaped clamping pieces 233, forming a centripetal holding force, so that the cable joint is reliably clamped and fixed. This design not only provides stable clamping, but also adapts to different joints within a certain size tolerance range, and allows quick clamping and dismounting without additional locking operation.

[0033] Referring to Figures 6-10 The cable positioning and automatic switching module 42 further comprises a hinged seat 421 connected with the welding gun 41, a guide structure 422 arranged on the hinged seat 421, and a cable clamp row 423 slidably mounted on the hinged seat 421 through the guide structure 422, so that the cable clamp row 423 can move horizontally along the arrangement direction of the clamp slots 4231 thereof.

[0034] The cable positioning and automatic switching module 42 further comprises a set of mechanical structures for mounting and guiding the cable clamp row 423, to ensure the coordinated movement and accurate positioning of the cable clamp row 423 and the welding gun 41, which mainly include a hinged seat 421, a guide structure 422, and a cable clamp row 423 matched therewith.

[0035] The hinge seat 421 is a structural component. One end of it is rigidly connected to the welding torch 41 or its clamping mechanism. This connection allows the hinge seat 421 and its supporting components to form a stable whole with the welding torch 41, moving in three dimensions together with it via the multi-degree-of-freedom adjustment assembly 3. The other end of the hinge seat 421 is specifically designed to install and accommodate the guide structure 422 and the cable tray 423. The guide structure 422 is a through-type groove with a specific cross-sectional shape (such as T-shaped or dovetail-shaped). The main function of the guide structure 422 is to define a precise and unique linear motion path. The cable tray 423 slides against the guide structure 422 via a specially designed corresponding slider or key on its back or side.

[0036] Specifically, the slider on the cable clip 423 can be embedded or engaged in the groove of the hinge seat 421 to form a slidable connection. This design allows the cable clip 423 to move smoothly and with low resistance horizontally relative to the hinge seat 421 along the arrangement direction of its multiple slots 4231, with its direction of movement consistent with the axis of the row of core wires fixed on the clip. The core function of this design is twofold: First, it ensures that the cable clip 423 and all its core wires can move synchronously up and down with the welding torch 41 as a whole during the welding process, achieving synchronous insertion of the core wires into the socket. Second, it provides a basis for automatic station switching after welding—by pushing the cable clip 423 along this guide structure 422 by an external drive mechanism (such as the linkage component 5 described in subsequent claims) by a precise distance, the next core wire to be welded can be precisely aligned with the nozzle of the welding torch 41. Finally, the guide structure 422 makes the cable clip 423 a modular component that can be quickly disassembled and installed. Operators can insert the core wire into another spare cable clip 423 outside the workstation in advance, so that after completing the welding of a joint, the cable clip 423 can be quickly replaced, greatly improving the continuity of work.

[0037] Reference Figures 6-10 The linkage component 5 includes a lifting and resetting unit 51, which is disposed in the hinge seat 421 and generates axial displacement in response to the overall lowering or rising of the welding execution component 4; a one-way transmission unit 52, which is connected to the lifting and resetting unit 51 and is configured to output rotational power only when the lifting and resetting unit 51 moves in the resetting direction; and a gear and rack unit 532, which includes a gear ring 531 connected to the output end of the one-way transmission unit 52 and a rack 532 fixedly connected to the cable clip 423. The rack 532 meshes with the gear ring 531 to convert the rotational motion of the gear ring 531 into the horizontal linear motion of the cable clip 423.

[0038] The linkage assembly 5 is the core of the automatic linkage of the "welding down-reset up" action and the "core wire station switching" action, which ingeniously converts the reciprocating motion of the welding execution assembly 4 in the vertical direction into the power for driving the horizontal movement of the cable clamp row 423. This mechanism is mainly integrated in or closely connected with the hinged seat 421, and includes three functionally connected units: the lifting reset unit 51, the one-way transmission unit 52, and the gear rack 532 unit 53.

[0039] The lifting reset unit 51 is the starting induction and power input link of the mechanism action, which is arranged in the internal cavity of the hinged seat 421. Its core is an active component (such as a screw 511) that can move axially in the vertical direction. The design of the lifting reset unit 51 enables it to respond to the downward or upward movement of the welding execution assembly 4 as a whole. Specifically, when the welding torch 41 with the cable clamp row 423 is lowered and the current core wire on the cable clamp row 423 is inserted into the cable connector jack and blocked, the reaction force transmitted by the cable connector will force the active component to overcome the resistance of an internal elastic element (such as a spring) and move axially upward. Conversely, when the welding is completed and the welding execution assembly 4 is reset upward, the restoring force of the elastic element will push the active component to move axially downward, i.e. in the reset direction.

[0040] The one-way transmission unit 52 is directly connected with the active component of the lifting reset unit 51, which is designed as a one-way clutch or overrunning clutch structure (such as a one-way bearing or a ratchet mechanism). It has direction selectivity: only when the active component of the lifting reset unit 51 moves in a specific direction (i.e. the reset direction, usually downward), the unit will be "locked" or "engaged", effectively transmitting the axial displacement or rotational motion to its output end; when the active component moves in the opposite direction (i.e. the compression direction, usually upward), the unit is in a "slip" or "separation" state, and the output end remains stationary. This design ensures that power transmission only occurs during the specific stage of the welding assembly rising reset.

[0041] The gear rack 532 unit 53 is the final execution link of the linkage, responsible for driving the cable clamp row 423 to move. It includes a gear ring 531 and a rack 532, the gear ring 531 is fixedly installed on the output end of the one-way transmission unit 52, so only when the one-way transmission unit 52 is engaged, the gear ring 531 will be driven to rotate, the rack 532 is fixedly connected with the back or side of the cable clamp row 423, the rack 532 and the gear ring 531 are always in meshing state, when the gear ring 531 is driven to rotate in the reset stage, through the meshing with the rack 532, the rotation of the gear ring 531 is accurately converted into the horizontal linear motion of the rack 532. Since the rack 532 is fixedly connected with the cable clamp row 423, the horizontal linear motion of the rack 532 directly drags the entire cable clamp row 423 to slide along its guide structure 422, thereby realizing the function of moving the next core wire to be welded to the position under the welding gun 41.

[0042] In summary, the working process of the linkage assembly 5 is as follows: when welding down, the lifting unit acts but the one-way transmission slips, the mechanism does not output switching power, ensuring stable welding alignment; when welding is completed and reset, the lifting unit reversely acts under the action of the spring, triggers the one-way transmission to engage, drives the gear ring 531 to rotate, and then drives the cable clamp row 423 to move horizontally through the gear rack 532, preparing for the next welding. The whole process is automatic and coherent, without the intervention of additional power source or control signal.

[0043] Referring to Figures 6-10 The lifting reset unit 51 includes a screw rod 511, one end of which is connected with the input end of the one-way transmission unit 52; a spring seat 512 is arranged in the hinged seat 421; a first spring 513 is accommodated in the spring seat 512 and provides a pre-tightening force to the screw rod 511 to keep it in a reset tendency; wherein when the core wire insertion hole is blocked, the screw rod 511 compresses the first spring 513 and moves axially. The lifting reset unit 51 is the core component of the linkage assembly 5, which is responsible for sensing the welding down action, storing elastic potential energy and releasing to provide driving force when resetting.

[0044] The lifting reset unit 51 is arranged in the inner cavity of the hinge seat 421, mainly composed of three parts: a screw rod 511, a spring seat 512 and a first spring 513. The screw rod 511 is usually a precision metal screw rod 511, the lower end (or one end) of which is mechanically connected with the input end of the aforementioned one-way transmission unit 52. This connection can be direct fixation or relative rotation connection through bearings, shaft couplings or other components, depending on the type of one-way transmission unit 52. The screw rod 511 vertically penetrates a guide hole on the hinge seat 421, so that it can strictly move up and down along its own axis direction, i.e. axial displacement. The spring seat 512 is a supporting structure fixed in the inner cavity of the hinge seat 421, usually a cylindrical or stepped seat, which provides a stable mounting base and a support surface for the first spring 513. The first spring 513 (usually a spiral compression spring) is accommodated in the spring seat 512, which is sleeved on the outside or one side of the screw rod 511. One end of the first spring 513 abuts against the bottom or inner step of the spring seat 512, and the other end acts on the top surface of the screw rod 511 or a shoulder, nut or specially designed retainer. Through pre-compression installation, the first spring 513 always exerts a downward pushing force on the screw rod 511, which constitutes a pre-tightening force that makes the screw rod 511 have a reset tendency. In the initial state (when the welding gun 41 is in the low position and has not been lifted), the pre-tightening force keeps the screw rod 511 at the lowermost position of its stroke.

[0045] The working process is closely coupled with the welding action: when the multi-degree-of-freedom adjusting assembly 3 drives the welding gun 41 and the cable clamp row 423 to descend as a whole, trying to insert the current core into the corresponding jack of the cable connector, if the jack depth is limited or the front end of the core touches the bottom at the same time, the screw rod 511 will also be subjected to an upward reaction force from the lower cable connector, which ultimately manifests as a force trying to push the screw rod 511 upward. When this force exceeds the pre-tightening force of the first spring 513, the screw rod 511 begins to move axially upward against the spring resistance, while further compressing the first spring 513. This process accumulates elastic potential energy. At this time, since it is moving upward, the one-way transmission unit 52 connected with it is in a "slip" state and does not output power. After the welding is completed, the welding gun 41 is lifted, and the upward pressure applied to the screw rod 511 disappears. At this time, the elastic potential energy stored in the compressed first spring 513 begins to release, and its restoring force pushes the screw rod 511 to move downward, i.e. in the reset direction. It is this downward reset movement of the screw rod 511 that triggers the "engagement" of the one-way transmission unit 52, thereby transmitting power and driving the subsequent switching action. This design uses the "pressing-down-inserting" action inherent in the welding process as the trigger condition for the power source, and temporarily stores the mechanical energy generated due to the insertion resistance in the spring, and then converts it into useful work to drive the station switching in the reset phase, achieving efficient and automatic linkage without the need for an additional independent power source.

[0046] Referring to Figures 6-10 The linkage assembly 5 further comprises an ejection unit 54, which comprises a plurality of ejection rods 541, each of which is arranged corresponding to one card slot 4231 and is horizontally movably installed in the cable card row 423, with its inner end located beside the rotating path of the gear ring 531; a trigger lug 542 fixed on the gear ring 531 and rotating with the gear ring 531 and periodically contacting and pushing the inner end of the ejection rod 541; and a second spring 543 providing the ejection rod 541 with an elastic force to keep the outer end of the ejection rod 541 retracted out of the card slot 4231, wherein when the trigger lug 542 pushes the ejection rod 541, the outer end of the ejection rod 541 extends into the corresponding card slot 4231 to eject the completed core wire.

[0047] The ejection unit 54 is the key execution part to realize the function of “automatic disengagement of the core wire after welding”. Its core purpose is to smoothly push the completed core wire out of the card slot 4231 of the cable card row 423 at the same time of each station switching, to ensure that the connected cable is not pulled or interfered by the subsequent moving card row, so as to realize continuous automatic operation.

[0048] The ejection unit 54 mainly consists of three parts working in coordination: a plurality of ejection rods 541, a trigger lug 542 and a second spring 543 providing reset power. The ejection rod 541 is the direct element to execute the ejection action, and its number corresponds to the number of card slots 4231 on the cable card row 423, and each ejection rod 541 is responsible for a specific card slot 4231. These ejection rods 541 are horizontally installed inside the body of the cable card row 423, usually located at the side and back of the card slot 4231, and can slide a small range along its axis, each ejection rod 541 has two ends: an inner end and an outer end, the inner end of which extends into or close to the area where the cable card row 423 cooperates with the hinged seat 421, and is accurately located beside the circumferential rotating path of the gear ring 531, waiting to be triggered, and the outer end points to the internal space of the corresponding card slot 4231.

[0049] The trigger lug 542 is a small protrusion, which is fixedly installed on one of the teeth of the gear ring 531 or the surface of the adjacent ring body, so that when the linkage assembly 5 drives the gear ring 531 to rotate, this trigger lug 542 also makes a synchronous circumferential motion, and its installation position is calculated so that the trigger lug 542 can just pass through and act on the inner end of the next to-be-triggered ejection rod 541 every time the gear ring 531 rotates one station interval (i.e. the angle corresponding to one tooth or several teeth).

[0050] The second spring 543 is typically a small compression spring, which is sleeved on the ejector rod 541 or installed at a certain part of the ejector rod 541. The spring is pre-compressed, thereby continuously applying an elastic force to the ejector rod 541. The direction of this force is to keep the outer end of the ejector rod 541 in a retracted state, that is, completely out of the area of ​​the slot 4231, so as to ensure that the normal installation and fixation of the core wire in the slot 4231 will not be hindered when not ejecting.

[0051] Its working process is a precise mechanical timing action: In standby state: during the initial stage of welding and the initial rise and reset of the welding torch 41, the outer end of the ejector rod 541 retracts under the action of the second spring 543, without interfering with the core wire in the slot 4231. Triggering and ejection: when the welding torch 41 rises and resets, and the toothed ring 531 is driven to rotate one station angle, the triggering protrusion 542 fixed on it also rotates synchronously. During rotation, the triggering protrusion 542 contacts and presses the inner end of the ejector rod 541 corresponding to the current station. The inclined or convex design of the protrusion allows this contact to convert the rotational motion into a horizontal thrust on the ejector rod 541. The ejector rod 541 overcomes the force of the second spring 543 and moves horizontally towards the slot 4231, its outer end extending into the corresponding slot 4231, acting on the welded core wire from the side or bottom, smoothly pushing it out from between the two elastic clips 4232 and freeing it from the constraint of the slot 4231. Reset: As the gear ring 531 continues to rotate, the trigger protrusion 542 passes over and separates from the inner end of the ejector rod 541. At this time, the ejector rod 541, which has lost its thrust, immediately moves horizontally in the opposite direction under the restoring force of the second spring 543, and its outer end quickly retracts out of the slot 4231, returning to the standby state and preparing for the next cycle.

[0052] The design of the ejection unit 54 mechanically forces and precisely synchronizes the station switching (rotation of the gear ring 531) and the core wire removal action, ensuring that each core wire is automatically released only when the welding is completed and the station is ready to be removed, which greatly improves the automation and reliability of the entire process.

[0053] Reference Figures 6-10 Two elastic clips 4232 are symmetrically arranged in each slot 4231 of the cable clip 423 for holding the core wire in its natural state and allowing the core wire to be released when subjected to the axial thrust of the ejector rod 541.

[0054] The core function of each slot 4231 in the cable clip 423 is to temporarily, reliably, and non-destructively fix a single core wire before and after welding, and to allow the core wire to detach smoothly when appropriate. To achieve this seemingly contradictory function, each slot 4231 is designed with an elastic clamping mechanism. The core of this mechanism is two elastic clips 4232 symmetrically arranged within each slot 4231. These two elastic clips 4232 are typically made of thin metal sheets with good elasticity and wear resistance (such as beryllium copper or stainless steel) or high-performance engineering plastics. They are fixed face-to-face to the inner walls of opposite sides of the slot 4231, with their free ends extending towards the center of the slot 4231 and leaving a small gap. In a natural state (i.e., without external intervention), the two clips, by their own elastic preload, bring their free ends closer together, thereby forming a slight clamping force in the central area of ​​the slot 4231. When the operator inserts a core wire into the slot 4231 along the axial direction, the core wire will gently spread the two clamping plates. The clamping plates will then undergo elastic deformation and continuously and gently wrap and hold the core wire with their restoring force. This design can prevent the core wire from accidentally falling off when the card pack moves, flips or vibrates, ensuring positioning accuracy, and also avoid damaging or scratching the insulation layer of the core wire due to excessive clamping.

[0055] More importantly, this elastic clamping design provides the necessary conditions for subsequent automated release. When welding is completed, the ejection unit 54 is triggered, and the outer end of the ejection rod 541 extends into the slot 4231 and applies an axial thrust to the core wire. Under the action of this thrust, the core wire will attempt to move axially along the slot 4231. Since the two elastic clamps 4232 are symmetrical and flexible, their clamping force on the core wire is radial and can be overcome. Under sufficient axial thrust, the core wire can pry open the clamps and slide out from between them, achieving release. Once the core wire is ejected, the two elastic clamps 4232 immediately return to their original spacing and shape under their own elasticity, waiting for the next clamping operation. The multi-degree-of-freedom adjustment assembly 3 includes a transverse module 31, a longitudinal module 32, and a vertical module 33 for driving the welding execution assembly 4 to move in three-dimensional space. The symmetrical elastic clips 4232 in the slot 4231 achieve a perfect unity of "flexible holding" and "controllable release". It not only ensures the stability and reliability of the core wire positioning during the production process, but also ensures that the welded core wire can be smoothly and automatically ejected and separated when the linkage component 5 is triggered. It is a key detail design for achieving efficient and continuous operation in the entire automated welding process.

[0056] Reference Figures 1-4The multi-degree-of-freedom adjusting assembly 3 is a structure for driving the welding execution assembly 4 to move in space, and functions to drive the welding gun 41 and the cable clamp row 423 to accurately reach above each to-be-welded jack and perform precise lowering and lifting actions. The multi-degree-of-freedom adjusting assembly 3 realizes positioning in three-dimensional space by superimposing linear motion modules in three mutually perpendicular directions, and generally includes a horizontal module 31, a vertical module 32 and a vertical module 33.

[0057] The horizontal module 31 is installed on the workbench 1 and is responsible for driving the entire subsequent assembly to move in a horizontal direction (for example, left-right direction). The vertical module 32 is installed on the moving part of the horizontal module 31 and is responsible for driving the assembly thereon to move in another horizontal direction (for example, front-rear direction), and the two modules together determine the projected position of the welding gun 41 in the horizontal plane. The vertical module 33 is installed on the moving part of the vertical module 32 and is responsible for directly driving the welding execution assembly 4 at the end thereof to perform vertical lifting and lowering movements to complete the insertion contact of the core wire and the withdrawal of the welding gun 41.

[0058] Each motion module generally includes fixed guide rails, a sliding block (or slide) sliding on the guide rails, and a driving mechanism for driving the sliding block to move. The driving mechanism can be a servo motor cooperating with a ball screw, or a pneumatic cylinder or a hydraulic cylinder, which are all well-known means for realizing linear motion. Through the coordinated control of the control module on the driving mechanisms of the modules, the welding gun 41 can realize fast movement from one point to another point and precise stopping at the welding point.

[0059] Referring to Figure 1 The control module is electrically connected with the driving source 21, the multi-degree-of-freedom adjusting assembly 3 and the welding gun 41, and is used to control the rotation indexing of the cable joint, the position movement of the welding execution assembly 4 and the start-stop of the welding gun 41, so as to realize automatic sequential welding of multiple rows of jacks.

[0060] The control module is the automation command center of the entire welding device, and its essence is an integrated electrical control module. It establishes electrical connection with the three key execution components of the device, i.e., the driving source 21 for driving the clamping assembly 2 to rotate, the multi-degree-of-freedom adjusting assembly 3 for driving the welding gun 41 to move in space, and the welding gun 41 for performing welding, so as to receive instructions, send commands and coordinate all actions, and finally realize fully automatic or semi-automatic welding cycle without manual intervention.

[0061] The core function of the control module is reflected in the precise and programmable control of the following three processes: control the rotational indexing of the cable joint: the control module sends pulse or analog signals to the driving source 21 (such as a stepper motor or a servo motor) according to the preset welding program. The driving source 21 accurately drives the rotating disc 22 and the cable joint on the clamp to rotate a specific angle according to these signals. This process is called "indexing", and its purpose is to automatically rotate the next row of holes to be welded to the working position directly below the welding torch 41 after the welding of a row of jacks is completed. The control module can store the angle parameters of multiple rows of jacks to realize the sequential processing of complex joints.

[0062] Control the position movement of the welding execution assembly 4: the control module simultaneously coordinates the control of the driving mechanisms (such as servo motors, linear modules) of each axis (usually X, Y, Z axes) in the multi-degree-of-freedom adjustment assembly 3. It instructs the welding execution assembly 4 to perform rapid positioning movement (moves the welding torch 41 to the target jack), precise descent (performs core wire insertion and welding), and upward reset according to program instructions. The motion trajectory, speed, and position accuracy are all guaranteed by the control module, which is the basis for achieving precise alignment of the core wire and the jack.

[0063] Control the start and stop of the welding torch 41: the control module is connected with the power system or controller of the welding torch 41. When the welding torch 41 accurately reaches the welding point (i.e. the contact position of the core wire and the jack) through position movement, the control module sends a trigger signal to automatically start the welding torch 41 (such as igniting an electric arc or a plasma arc) to perform welding. After reaching the preset welding time or judging that the welding is completed through a sensor, a signal is sent to turn off the welding torch 41. This replaces the manual operation of turning on and off the welding torch 41.

[0064] By deeply integrating and linking the above three control functions in terms of timing and logic, the control module can arrange and execute a complete automatic sequential welding process. Its typical working cycle is: position to the first row of the first hole -> descend -> start welding -> upward reset (while triggering the core wire switching) -> move horizontally to the next hole in the first row -> repeat the welding cycle -> after completing the entire row, rotate the rotating disc 22 to index to the next row -> repeat the entire row welding until all rows and all holes are welded.

[0065] The control module usually includes programmable logic controllers, motion control cards, human-computer interaction interfaces, and the like hardware, as well as control software stored therein. The operator can set the welding parameters, sequence, and path through the interface to realize quick switching and efficient and reliable automation production for different types of cable joint welding tasks.

[0066] Reference Figures 1-10 The working process of the device of the present application is as follows: First step: preparation. The operator presses the cable connector (the jack is facing up) into the elastic clamp 23 of the clamping assembly 2, and the arc-shaped clamp 233 automatically holds it tightly. Then, the cable end with the stripped sheath and separated wires is inserted into the corresponding card slots 4231 of the cable card row 423, and the elastic clamp 4232 temporarily fixes it, ensuring that all the wire ends protrude to the same length. Then, the cable card row 423 loaded with the wires is horizontally pushed into the corresponding guide structure 422 (such as a T-shaped sliding block) of the hinge seat 421, until the rack 532 and the gear ring 531 are fully engaged. At this time, the driving source 21 drives the rotating disc 22 to rotate, so that the first to-be-welded jack on the cable connector is rotated to be directly below the head of the welding gun 41. At the same time, the welding gun 41 is preliminarily positioned above the jack by the multi-degree-of-freedom adjusting assembly 3.

[0067] Second step: single-point welding cycle.

[0068] The multi-degree-of-freedom adjusting assembly 3 (specifically the vertical module 33 therein) drives the welding execution assembly 4 to descend as a whole, and the wires on the cable card row 423 that are currently aligned with the welding gun 41 simultaneously descend as the welding gun 41 descends, and their front ends are accurately inserted into the corresponding jacks on the cable connector. When the head of the welding gun 41 descends to the appropriate welding distance, it stops descending. At this time, the wires have been stably inserted into the jacks. The welding gun 41 is started, and the welding at this point is completed. In this process, when the wires are inserted in place, the lifting reset unit 51 of the linkage assembly 5 responds to this action: the screw rod 511 is pushed upward by the cable connector below, overcoming the pre-tightening force of the first spring 513. Since the screw rod 511 is connected with the one-way transmission unit 52 (such as a one-way bearing), at this time the one-way transmission unit 52 is in a "slip" state, the gear ring 531 does not rotate, and the linkage assembly 5 is in the first state.

[0069] After the welding is completed, the welding execution assembly 4 is controlled to ascend, and in the ascending reset process, the compressed first spring 513 releases energy and pushes the screw rod 511 to move downward (reset direction). At this time, the one-way transmission unit 52 is converted to a "locked" state, thereby driving the gear ring 531 to rotate by a predetermined angle, and the linkage assembly 5 is converted to the second state. When the gear ring 531 rotates, the trigger lug 542 fixed thereon rotates. When the trigger lug 542 contacts the inner end of the ejecting rod 541 corresponding to the current station, it pushes the ejecting rod 541 to move outward against the force of the second spring 543, and the outer end of the ejecting rod 541 protrudes into the corresponding card slot 4231, thereby ejecting the welded wire from the two elastic clamps 4232.

[0070] Meanwhile, the rotation of the gear ring 531 drives the rack 532 and the whole cable clamp row 423 fixed therewith to move horizontally along the guide structure 422 by the rack and pinion 532 unit 53 (the gear ring 531 meshes with the rack 532) by one clamp slot 4231 interval, which makes the next core wire to be welded automatically move to the front of the welding gun 41, and the automatic switching of the work station is completed. Subsequently, the ejector rod 541 is retracted to the original position under the action of the second spring 543.

[0071] Third step: continuous welding and position switching.

[0072] The "single-point welding cycle" of the second step is repeated, and the welding of all the jacks in the same circumferential arrangement on the cable joint is automatically and sequentially completed. When another row of jacks needs to be welded, the control module controls the driving source 21 to drive the rotating disc 22 to rotate by an accurate angle, so that the next row of jacks is rotated to the working position, and then the cycle of the second step is continued to be repeated until all the core wires are welded.

[0073] Fourth step: overall replacement.

[0074] After all the welding is completed, the empty cable clamp row 423 that has been separated from all the core wires is removed from the hinged seat 421. The welded cable joint is taken out of the elastic clamp 23. Subsequently, a new cable joint and a cable clamp row 423 with arranged core wires are installed, and the next round of welding operation can be started.

[0075] Finally, it should be pointed out that the above detailed description of the method and device is only an embodiment, and those skilled in the art can modify the embodiment in different ways without departing from the scope of the present application.

Claims

1. A cable joint welding device for cable production, characterized in that: Including the workbench (1); A clamping assembly (2) is disposed on the workbench (1) for fixing the cable connector and exposing the plug end face of the cable connector upwards; A multi-degree-of-freedom adjustment component (3) is installed on the worktable (1); A welding execution component (4) is installed at the output end of the multi-degree-of-freedom adjustment component (3). The welding execution component (4) includes a welding torch (41) and a cable positioning and automatic switching module (42). The cable positioning and automatic switching module (42) includes a detachable cable clip (423), which has multiple slots (4231) for temporarily fixing multiple core wires. The linkage component (5) is connected between the welding torch (41) and the cable positioning and automatic switching module (42). When the multi-degree-of-freedom adjustment component (3) drives the welding execution component (4) to move towards the cable joint to perform single-point welding, the linkage component (5) is in the first state, allowing the current core wire on the cable clip (423) to move synchronously with the welding torch (41) and be inserted into the corresponding socket. When the multi-degree-of-freedom adjustment component (3) drives the welding execution component (4) to move away from the cable joint and reset, the linkage component (5) is converted to the second state, driving the cable clip (423) to move to switch to the next core wire to be welded, and pushing the welded core wire out of the corresponding slot (4231).

2. The cable joint welding device for cable production according to claim 1, characterized in that: The clamping assembly (2) includes a drive source (21); A turntable (22) is connected to and driven to rotate by the output shaft of the drive source (21); and, An elastic clamp (23) is provided on the turntable (22) for holding the outer periphery of the cable connector.

3. The cable joint welding device for cable production according to claim 2, characterized in that: The elastic clamp (23) includes an outer ring (231) fixed to the turntable (22), a plurality of elastic rods (232) evenly distributed around the outer ring (231), and an arc-shaped clamp (233) disposed at the end of each elastic rod (232); the plurality of arc-shaped clamps (233) together form a space for accommodating and clamping the cable connector.

4. The cable joint welding device for cable production according to claim 1, characterized in that: The cable positioning and automatic switching module (42) also includes a hinge seat (421) connected to the welding gun (41); A guide structure (422) is disposed on the hinge seat (421); the cable clip (423) is slidably mounted on the hinge seat (421) through the guide structure (422), so that the cable clip (423) can move horizontally along the arrangement direction of its slots (4231).

5. The cable joint welding device for cable production according to claim 4, characterized in that: The linkage component (5) includes a lifting and resetting unit (51), which is disposed in the hinge seat (421) and generates axial displacement in response to the overall lowering or raising of the welding execution component (4). A one-way drive unit (52), connected to the lifting and resetting unit (51), is configured to output rotational power only when the lifting and resetting unit (51) moves in the resetting direction; The gear rack (532) unit (53) includes a gear ring (531) connected to the output end of the one-way transmission unit (52) and a rack (532) fixedly connected to the cable clip (423). The rack (532) meshes with the gear ring (531) to convert the rotational motion of the gear ring (531) into the horizontal linear motion of the cable clip (423).

6. The cable joint welding device for cable production according to claim 5, characterized in that: The lifting and resetting unit (51) includes a screw (511), one end of which is connected to the input end of the one-way transmission unit (52); A spring seat (512) is disposed within the hinge seat (421); A first spring (513) is housed within the spring seat (512) and provides a preload force to the screw (511) to maintain its reset tendency; wherein, when the core wire is obstructed from being inserted into the socket, the screw (511) compresses the first spring (513) and moves axially.

7. The cable joint welding device for cable production according to claim 6, characterized in that: The linkage component (5) further includes an ejection unit (54), which includes multiple ejection rods (541). Each ejection rod (541) corresponds to a slot (4231) and can be horizontally moved and installed in the cable tray (423). Its inner end is located next to the rotation path of the toothed ring (531). A triggering protrusion (542) is fixed on the toothed ring (531), rotates with the toothed ring (531), and periodically contacts and pushes the inner end of the ejector rod (541); The second spring (543) provides an elastic force to the ejector rod (541) to keep its outer end retracted outside the slot (4231); wherein, when the triggering protrusion (542) pushes the ejector rod (541), the outer end of the ejector rod (541) extends into the corresponding slot (4231) to eject the welded core wire.

8. The cable joint welding device for cable production according to claim 7, characterized in that: Two elastic clips (4232) are symmetrically arranged in each of the slots (4231) of the cable clip (423) for holding the core wire in its natural state and allowing the core wire to be released when subjected to the axial thrust of the ejector rod (541).

9. The cable joint welding device for cable production according to claim 1, characterized in that: The multi-degree-of-freedom adjustment component (3) includes a transverse module (31), a longitudinal module (32), and a vertical module (33) for driving the welding execution component (4) to move in three-dimensional space.

10. The cable joint welding device for cable production according to claim 1, characterized in that: It also includes a control module, which is electrically connected to the drive source (21), the multi-degree-of-freedom adjustment component (3) and the welding torch (41), and is used to control the rotation indexing of the cable connector, the position movement of the welding execution component (4) and the start and stop of the welding torch (41) to realize the automatic sequential welding of multiple rows of sockets.

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