Miniature terminal spot welding equipment
By designing tooling and positioning components, and combining a micro-motor driven moving plate and lifting mechanism, the automated positioning of the micro-terminal spot welding equipment and the sequential welding of multiple lines were realized. This solved the problems of unstable welding quality and low automation in the existing technology, and improved welding efficiency and quality.
Patent Information
- Application Number
- CN202520088370.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-15
AI Technical Summary
Existing miniature terminal spot welding equipment is prone to inconsistent welding quality due to manual handling during the welding process, and its low level of automation affects welding efficiency and quality.
By employing tooling and positioning components, and using a micro motor to drive a lead screw to move a moving plate, the system achieves automatic positioning and welding of micro terminals and wires, avoiding offset caused by manual handling. Combined with a lifting mechanism, it enables the sequential welding of multiple wires.
It improves the level of automation in welding, ensures stable welding quality, reduces the impact of shaking caused by manual handling, and improves welding efficiency.
Smart Images

Figure CN223734062U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to spot welding equipment technical field more specifically, the utility model relates to micro terminal spot welding equipment. BACKGROUND
[0002] Micro terminal spot welding equipment is a kind of spot welding equipment specially used for small terminal, connector, wire and other small metal parts.It is widely used in electronic, automobile, electrical and communication equipment industries, mainly used for the connection of precision metal parts, especially in micro assembly welding, which mainly forms strong welding spot by the heating effect of electric current and pressure effect, rapidly cools the contact point of metal workpiece to the melting state.
[0003] The existing spot welding equipment generally holds the micro terminal with one hand, holds the wire body all the time, places the wiring metal sheet of micro terminal and the exposed end of wire body directly below the spot welding rod of spot welding equipment for welding, when welding manually holding material, hand is easy to shake, leading to the deviation between wiring metal sheet and exposed end of wire body, thereby affecting the welding effect, and the degree of automation of welding is low, and long-term welding of micro terminal is easy to cause visual fatigue, affecting welding quality and efficiency. UTILITY MODEL CONTENT
[0004] In order to overcome the defects of prior art, the utility model provides micro terminal spot welding equipment.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: micro terminal spot welding equipment, including equipment main part, the middle of the front of equipment main part is fixedly connected with support frame, the front of support frame is fixedly connected with support frame, the inner side of support frame is installed with moving assembly, the top of moving assembly is installed with tooling assembly, tooling assembly includes tooling plate, the right side of tooling plate is provided with meshing tooth, the right side of tooling plate outside is installed with positioning assembly, positioning assembly includes fixed frame, the middle of the inner side of fixed frame is movably sleeved with gear, gear and meshing tooth are mutually engaged, the right side of fixed frame is movably sleeved with cylindrical rod, the right side of cylindrical rod is fixedly connected with control panel, the left side of cylindrical rod is fixedly connected with rack plate, the outside of cylindrical rod is provided with second spring, second spring is located between the left side of rack plate and the inner wall of fixed frame, the top of the left side of fixed frame is fixedly connected with strip frame, the top of strip frame is provided with wire slot, the left side of the top of tooling plate is movably sleeved with fixed rod, the top of fixed rod is fixedly connected with pressing plate, the bottom of fixed rod is fixedly connected with bottom plate, the outside of fixed rod is provided with first spring, first spring is located between the bottom of bottom plate and tooling plate.
[0006] As a preferred technical scheme of the utility model, the top of the front of the equipment main part is installed with a lifting mechanism, the bottom of the lifting mechanism is installed with a spot welding stick, the front of the equipment main part is fixedly connected with a workbench.
[0007] As a preferred technical scheme of the utility model, the mobile assembly comprises a micro motor fixedly connected to the back of the support frame, an output shaft of the micro motor is fixedly connected with a lead screw, the outer side of the lead screw is sleeved with a moving plate, the top of the moving plate is fixedly connected with a support plate.
[0008] As a preferred technical scheme of the utility model, the bottom of the tooling plate is fixedly connected with a positioning block, the edge of the bottom of the positioning block is provided with an inclined chamfer.
[0009] As a preferred technical scheme of the utility model, the top of the support plate is provided with a positioning groove, the positioning groove and the positioning block are mutually adapted.
[0010] As a preferred technical scheme of the utility model, the mobile assembly further comprises a limiting rod fixedly connected to the inner side of the support frame, the limiting rod is movably sleeved with the moving plate.
[0011] As a preferred technical scheme of the utility model, the right side of the top of the tooling plate and the right side of the bottom are both provided with a sliding groove, the sliding groove is slidingly connected with the fixed frame.
[0012] Compared with the prior art, the utility model has the beneficial effects as follows:
[0013] 1、 the utility model discloses a tooling assembly and positioning assembly are set up, pull the control panel to the right side, so that the cylindrical rod drives the rack plate to move to the right side, the rack plate no longer fixes the gear, then the positioning assembly is moved horizontally in the front -back direction along the right side surface of the tooling plate, in the process of moving the fixed frame, the gear rotates under the meshing of the sliding groove, when the strip frame and the corresponding wiring metal sheet are in the same horizontal direction, release the control panel, the second spring pushes the rack plate to move to the left side and fixes the gear, so that the positioning assembly is fixed, and then according to the distribution of the wiring metal sheet, the strip frame and the corresponding wiring metal sheet can be aligned, then the wire body is pressed and fixed on the inside of the wire groove, and the exposed end of the wire body is in contact with the top surface of the wiring metal sheet, realizing the positioning of the wiring metal sheet of the micro terminal and the plurality of wire bodies, without manual material, avoiding the problem of poor welding quality caused by hand shaking.
[0014] 2, the utility model discloses a mobile assembly is equipped with, after positioning is completed, install tooling assembly through the cooperation of locating block and locating groove, the rotation of lead screw is driven through micro motor, under the thread thrust of lead screw, the movement of moving plate along the outside of lead screw in front -back direction is carried out to make support plate drive tooling assembly move in front -back direction, make the position that needs to carry out spot welding move to the just below spot welding stick, thereby realize the welding of a plurality of wire bodies in turn, improve the level of welding automation. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the utility model structural schematic diagram;
[0016] Figure 2 It is the utility model mobile assembly structure schematic diagram;
[0017] Figure 3 It is the utility model tooling assembly structure schematic diagram;
[0018] Figure 4 It is the utility model positioning assembly structure schematic diagram;
[0019] Figure 5 It is the utility model meshing tooth structure schematic diagram.
[0020] In the drawing: 1, equipment main body;101, lifting mechanism;102, spot welding stick;103, workbench;104, support frame;105, support frame;2, mobile assembly;201, micro motor;202, lead screw;203, moving plate;204, limit rod;205, support plate;206, locating groove;3, tooling assembly;301, tooling plate;311, sliding slot;312, meshing tooth;302, locating block;303, fixed rod;304, pressing plate;305, bottom plate;306, first spring;4, positioning assembly;401, fixed frame;402, gear;403, cylindrical rod;404, control board;405, rack plate;406, second spring;407, strip frame;408, wire slot. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0022] As Figures 1 to 5As shown, the utility model provides micro terminal spot welding equipment, including equipment main body 1, the middle of equipment main body 1 front is fixedly connected with support frame 104, the front of support frame 104 is fixedly connected with support frame 105, the inboard of support frame 105 is installed with moving assembly 2, the top of moving assembly 2 is installed with tooling assembly 3, tooling assembly 3 includes tooling plate 301, the right side of tooling plate 301 is provided with meshing tooth 312, the right side of tooling plate 301 outside is installed with positioning assembly 4, positioning assembly 4 includes fixed frame 401, the inside of fixed frame 401 is movably sleeved with gear 402, gear 402 and meshing tooth 312 are mutually engaged, the right side of fixed frame 401 is movably sleeved with cylindrical rod 403, the right side of cylindrical rod 403 is fixedly connected with control panel 404, the left side of cylindrical rod 403 is fixedly connected with rack plate 405, the outside of cylindrical rod 403 is provided with second spring 406, second spring 406 is located between the left side of rack plate 405 and the inner wall of fixed frame 401, the top of fixed frame 401 left side is fixedly connected with strip frame 407, the top of strip frame 407 is provided with wire slot 408, the left side of tooling plate 301 top is movably sleeved with fixed rod 303, the top of fixed rod 303 is fixedly connected with pressing plate 304, the bottom of fixed rod 303 is fixedly connected with bottom plate 305, the outside of fixed rod 303 is provided with first spring 306, first spring 306 is located between the bottom of bottom plate 305 and tooling plate 301.
[0023] In the embodiment of the application, the tooling assembly 3 is detachable by movably sleeving the positioning groove 206 and the positioning block 302. The micro terminal is placed in the middle of the bottom of the pressing plate 304. The first spring 306 has a downward thrust on the bottom plate 305, so that the fixed rod 303 has a downward pulling force on the pressing plate 304. Then the pressing plate 304 can press and fix the micro terminal, and the wiring metal sheet of the micro terminal is located in the same vertical direction as the spot welding rod 102.
[0024] Pulling the control panel 404 to the right side, so that the cylindrical rod 403 drives the rack plate 405 to move to the right side. The rack plate 405 no longer fixes the gear 402. Then the positioning assembly 4 is moved horizontally in the front and back directions along the right side surface of the tooling plate 301. In the process of moving the fixed frame 401, the gear 402 rotates under the meshing action of the sliding groove 311. When the strip frame 407 and the corresponding wiring metal sheet are in the same horizontal direction, the control panel 404 is released. The second spring 406 pushes the rack plate 405 to move to the left side and fixes the gear 402, so as to fix the positioning assembly 4. Then according to the distribution of the wiring metal sheet, each strip frame 407 can be aligned with the corresponding wiring metal sheet. Then the wire body is pressed and fixed in the inside of the wire slot 408, and the exposed end of the wire body is in contact with the top surface of the wiring metal sheet, so as to position the micro terminal and the wire body.
[0025] After positioning is completed, the tooling assembly 3 is installed by the cooperation of positioning block 302 and positioning groove 206. The micro motor 201 drives the lead screw 202 to rotate. Under the thread thrust of the lead screw 202, the moving plate 203 moves back and forth along the outside of the lead screw 202, thereby causing the support plate 205 to move the tooling assembly 3 back and forth, so that the position to be spot welded is moved to directly below the spot welding rod 102, thereby realizing the sequential welding of multiple lines.
[0026] The equipment body 1 has a lifting mechanism 101 installed on the top of the front side, a spot welding rod 102 installed at the bottom of the lifting mechanism 101, and a workbench 103 fixedly connected to the front side of the equipment body 1.
[0027] The lifting mechanism 101 can control the lifting of the spot welding rod 102, which can press and weld the wire metal sheet and the exposed end of the wire.
[0028] The movable component 2 includes a micro motor 201 fixedly connected to the back of the support frame 105. The output shaft of the micro motor 201 is fixedly connected to a lead screw 202. A movable plate 203 is threaded onto the outer side of the lead screw 202. A support plate 205 is fixedly connected to the top of the movable plate 203.
[0029] The micro motor 201 controls the lead screw 202 to rotate, causing the moving plate 203 to move a set distance each time, thereby positioning the area to be welded directly below the spot welding rod 102.
[0030] The tooling plate 301 is fixedly connected to the bottom of a positioning block 302. The bottom edge of the positioning block 302 is chamfered. The top of the support plate 205 is provided with a positioning groove 206, which is compatible with the positioning block 302.
[0031] The positioning slot 206 and the positioning block 302 work together to facilitate the quick installation and disassembly of the tooling component 3.
[0032] The movable component 2 also includes a limiting rod 204 fixedly connected to the inside of the support frame 105, and the limiting rod 204 is movably sleeved with the movable plate 203.
[0033] The limiting rod 204 positions the moving plate 203, allowing it to move only in the forward and backward directions without rotating. When the lead screw 202 rotates, it can drive the moving plate 203 to translate in the forward and backward directions.
[0034] Among them, the tooling plate 301 has a sliding groove 311 on the right side of the top and the right side of the bottom, and the sliding groove 311 is slidably connected to the fixed frame 401.
[0035] The sliding groove 311 plays a role of positioning the fixed frame 401, so that the fixed frame 401 can move horizontally along the right side surface of the tool plate 301, and the number of the positioning assemblies 4 can be increased or reduced through the tool plate 301, so as to correspond to the number of the wiring metal sheets.
[0036] The working principle and use process of the utility model are as follows:
[0037] Through the movable sleeve connection of the positioning groove 206 and the positioning block 302, the tool assembly 3 is a detachable structure, the micro terminal is arranged at the middle position of the bottom of the pressing plate 304, the first spring 306 has a downward thrust on the bottom plate 305, so that the fixing rod 303 has a downward pulling force on the pressing plate 304, and then the pressing plate 304 can press and fix the micro terminal, and the wiring metal sheet of the micro terminal is located in the same vertical direction as the spot welding rod 102;
[0038] The control plate 404 is pulled to the right side, so that the cylindrical rod 403 drives the rack plate 405 to move to the right side, the rack plate 405 no longer fixes the gear 402, and then moves horizontally in the front and back directions of the tool plate 301, in the process of moving the fixed frame 401, the gear 402 rotates under the meshing action of the sliding groove 311, when the strip frame 407 and the corresponding wiring metal sheet are located in the same horizontal direction, the control plate 404 is released, the second spring 406 pushes the rack plate 405 to move to the left side and fixes the gear 402, so as to fix the positioning assembly 4, and then according to the distribution of the wiring metal sheet, each strip frame 407 can be aligned with the corresponding wiring metal sheet, then the wire body is pressed and fixed on the inner side of the wire groove 408, and the exposed end of the wire body is in contact with the top surface of the wiring metal sheet, so as to realize the positioning of the micro terminal and the wire body;
[0039] After positioning, the tool assembly 3 is installed through the cooperation of the positioning block 302 and the positioning groove 206, the lead screw 202 is driven to rotate by the micro motor 201, under the screw thrust of the lead screw 202, the moving plate 203 moves in the front and back directions along the outer side of the lead screw 202, so that the supporting plate 205 drives the tool assembly 3 to move in the front and back directions, so that the position needing to be spot welded moves to the position directly below the spot welding rod 102, so as to realize the sequential welding of the plurality of wire bodies.
[0040] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0041] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. Miniature terminal spot welding apparatus comprising an apparatus body (1), characterised in that: The middle of the front of the equipment body (1) is fixedly connected with a support frame (104), the front of the support frame (104) is fixedly connected with a support frame (105), the inner side of the support frame (105) is provided with a moving assembly (2), the top of the moving assembly (2) is provided with a tooling assembly (3), the tooling assembly (3) comprises a tooling plate (301), the right side of the tooling plate (301) is provided with an engagement tooth (312), the right side of the outside of the tooling plate (301) is provided with a positioning assembly (4), the positioning assembly (4) comprises a fixed frame (401), the inside of the fixed frame (401) is movably sleeved with a gear (402), the gear (402) is engaged with the engagement tooth (312), the right side of the fixed frame (401) is movably sleeved with a cylindrical rod (403), the right side of the cylindrical rod (403) is fixedly connected with a control plate (404), the left side of the cylindrical rod (403) is fixedly connected with a rack plate (405), the outside of the cylindrical rod (403) is provided with a second spring (406), the second spring (406) is located between the left side of the rack plate (405) and the inner wall of the fixed frame (401), the top of the left side of the fixed frame (401) is fixedly connected with a strip frame (407), the top of the strip frame (407) is provided with a wire slot (408), the left side of the top of the tooling plate (301) is movably sleeved with a fixed rod (303), the top of the fixed rod (303) is fixedly connected with a pressing plate (304), the bottom of the fixed rod (303) is fixedly connected with a bottom plate (305), the outside of the fixed rod (303) is provided with a first spring (306), the first spring (306) is located between the bottom plate (305) and the bottom of the tooling plate (301).
2. The micro terminal spot welding apparatus of claim 1, wherein: The top of the front of the equipment body (1) is provided with a lifting mechanism (101), the bottom of the lifting mechanism (101) is provided with a spot welding rod (102), the front of the equipment body (1) is fixedly connected with a workbench (103).
3. The micro terminal spot welding apparatus of claim 1, wherein: The moving assembly (2) comprises a micro motor (201) fixedly connected to the back of the support frame (105), the output shaft of the micro motor (201) is fixedly connected with a lead screw (202), the outside of the lead screw (202) is threadedly sleeved with a moving plate (203), the top of the moving plate (203) is fixedly connected with a support plate (205).
4. The micro terminal spot welding apparatus of claim 1, wherein: The bottom of the tooling plate (301) is fixedly connected with a positioning block (302), the edge of the bottom of the positioning block (302) is provided with an inclined chamfer.
5. The micro terminal spot welding apparatus of claim 3, wherein: The top of the support plate (205) is provided with a positioning groove (206), the positioning groove (206) is matched with the positioning block (302).
6. The micro-terminal spot welding apparatus of claim 1, wherein: The moving assembly (2) further comprises a limiting rod (204) fixedly connected to the inner side of the support frame (105), the limiting rod (204) is movably sleeved with the moving plate (203).
7. The micro-terminal spot welding apparatus of claim 1, wherein: The right side of the top of the tooling plate (301) and the right side of the bottom are both provided with a sliding groove (311), the sliding groove (311) is slidably connected with the fixed frame (401).