Special-shaped part spot welding machine

Abstract

The utility model discloses a spot welding machine for special-shaped parts. The spot welding machine comprises a base, a case body is vertically and fixedly installed in the middle of the rear side of the base, a workbench is further arranged at the front end of the base, in the scheme, the bottom of the workbench is installed on the base through an X-axis linear module and a Y-axis linear module, the X-axis linear module is fixedly installed on the base in the left-right direction, the Y-axis linear module is arranged in the front-back direction, and the X-axis linear module is fixedly installed on the base in the left-right direction. The Y-axis linear module is fixedly installed on the sliding table of the X-axis linear module, and the workbench is fixedly installed on the sliding table of the Y-axis linear module. A clamp base is arranged on the rear side of the top of the workbench. The surface of the top of the lower clamping table and the surface of the bottom of the upper clamping table are both 16 * 16 mm rectangular faces, the contact area between the upper clamping table and a workpiece is small, the two sets of clamping tables are arranged, and therefore special-shaped pieces can be clamped conveniently.

Description

Technical Field

[0001] This utility model relates to the field of spot welding machines, specifically spot welding machines for irregularly shaped parts. Background Technology

[0002] A spot welding machine is a mechanical device that uses the principle of double-sided, double-point overcurrent welding. During operation, two electrodes press the workpiece so that the two layers of metal form a certain contact resistance under the pressure of the two electrodes. When the welding current flows from one electrode to the other electrode, it forms an instantaneous thermal fusion at the two contact resistance points. The welding current also flows instantaneously from the other electrode along the two workpieces to this electrode to form a circuit, without damaging the internal structure of the workpiece being welded.

[0003] For example, the patent with authorization announcement number CN222094962U discloses an automatic spot welding machine for automobile seat cushion frame, which belongs to the field of spot welding machines. It includes: a bracket, on which an L-shaped plate is fixedly mounted, and on which the automatic spot welding machine body is mounted; a dual-station assembly, which includes a moving table, a moving block, a screw and a motor, and clamping components are provided at both ends of the moving table.

[0004] The aforementioned patent features a dual-station assembly that performs continuous welding operations on the seat cushion frame through two cyclical stations, eliminating long waiting times and improving work efficiency. It also includes a clamping assembly and a linkage assembly to automatically clamp and release the seat cushion frame, further enhancing work efficiency. Additionally, it incorporates an adjustment assembly to adjust the distance between the two moving plates, accommodating seat cushion frames of different sizes and increasing adaptability. However, a drawback of the aforementioned patent is that its clamping assembly can only clamp parts with relatively regular shapes.

[0005] Therefore, it is necessary to improve such a structure to overcome the above-mentioned defects. Utility Model Content

[0006] The purpose of this invention is to provide a spot welding machine for irregularly shaped parts to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A spot welding machine for irregularly shaped parts includes a base; a main body of a chassis is vertically fixedly mounted on the rear center of the base, and a worktable is also provided at the front end of the base. In this design, the bottom of the worktable is mounted on the base via an X-axis linear module and a Y-axis linear module. The X-axis linear module is fixedly mounted on the base along the left-right direction, and the Y-axis linear module is arranged along the front-back direction and fixedly mounted on the slide of the X-axis linear module. The worktable is fixedly mounted on the slide of the Y-axis linear module. A clamping seat is provided on the rear side of the top of the worktable; two spaced rear baffles are provided on the rear center of the clamping seat, and first mounting plates are vertically fixedly mounted on both the left and right sides of the clamping seat. A first mounting base is fixedly installed on the inner middle part of the first mounting plate, and a lower clamping platform is fixedly installed on the top of the first mounting base; a second mounting base is fixedly installed on the inner rear part of the first mounting plate, and a clamping cylinder is fixedly installed on the rear side of the second mounting base. The top of the second mounting base is also rotatably connected to the middle part of the upper clamping arm through a rotating shaft, and the rear end of the upper clamping arm is rotatably connected to the output shaft of the clamping cylinder; an upper clamping platform is fixedly installed on the front end of the upper clamping arm; a workpiece lifting device is also provided at the front end of the worktable, and the workpiece lifting device includes a lifting cylinder and a lifting plate; the lifting cylinder is fixedly installed on the worktable through a cylinder bracket, and the lifting plate is fixedly installed on the output shaft of the lifting cylinder, and several push rods are spaced apart on the lifting plate.

[0009] Furthermore, a first cantilever extends forward from the top front end of the chassis body, and a second cantilever extends forward from the middle front end of the chassis body. A first welding head and a second welding head are respectively fixedly installed at the ends of the first cantilever and the second cantilever.

[0010] Furthermore, a left protective side plate and a right protective side plate are respectively provided on the left and right sides of the base, and a first rear protective plate is provided at the rear end of the left protective side plate which is bent inward.

[0011] Furthermore, a second rear protective plate is provided at the rear end of the right protective side plate, which is bent inward; this is used to block sparks that fly during the welding process.

[0012] Furthermore, the top surface of the lower clamping platform and the bottom surface of the upper clamping platform are both rectangular surfaces of 16*16mm.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The top surface of the lower clamping platform and the bottom surface of the upper clamping platform are both 16*16mm rectangular surfaces, with a small contact area with the workpiece, and two sets are provided to facilitate clamping irregularly shaped parts.

[0015] It is equipped with a workpiece lifting device. When the lifting cylinder extends, it drives the push rod on the lifting plate to move upward, thereby lifting the workpiece and making it easier for workers to remove it. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a spot welding machine for irregularly shaped parts.

[0017] Figure 2 This is a front view of a spot welding machine for irregularly shaped parts.

[0018] Figure 3 This is a side view of a spot welding machine for irregularly shaped parts.

[0019] Figure 4 This is a top view of a spot welding machine for irregularly shaped parts.

[0020] Figure 5 This is a schematic diagram of the fixture seat in a spot welding machine for irregularly shaped parts. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0022] Please see Figure 1-5 A spot welding machine for irregularly shaped parts includes a base 1; a chassis body 2 is vertically fixedly installed on the middle of the rear side of the base 1; a first cantilever 201 is provided extending forward from the top of the front end of the chassis body 2; a second cantilever 202 is provided extending forward from the middle of the front end of the chassis body 2; a first welding head 203 and a second welding head 204 are respectively fixedly installed at the ends of the first cantilever 201 and the second cantilever 202.

[0023] The base 1 is provided with a left protective side plate 101 and a right protective side plate 102 on its left and right sides respectively. At the same time, the rear end of the left protective side plate 101 is bent inward to provide a first rear protective plate 103, and the rear end of the right protective side plate 102 is bent inward to provide a second rear protective plate 104. This arrangement is used to block the sparks that splash during the welding process.

[0024] The front end of the base 1 is also provided with a worktable 3. In this solution, the bottom of the worktable 3 is mounted on the base 1 through an X-axis linear module 301 and a Y-axis linear module 302. The X-axis linear module 301 is fixedly mounted on the base 1 along the left and right direction, and the Y-axis linear module 302 is arranged along the front and back direction. The Y-axis linear module is fixedly mounted on the slide of the X-axis linear module 301, and the worktable 3 is fixedly mounted on the slide of the Y-axis linear module.

[0025] A clamp seat 4 is provided on the top rear side of the workbench 3; two spaced rear baffles 401 are provided in the middle of the rear side of the clamp seat 4; a first mounting plate 402 is vertically fixedly installed on both the left and right sides of the clamp seat 4; a first mounting base 403 is fixedly installed in the middle of the inner side of the first mounting plate 402; and a lower clamping platform 404 is fixedly installed on the top of the first mounting base 403.

[0026] A second mounting base 405 is fixedly mounted on the inner rear part of the first mounting plate 402. A clamping cylinder 406 is fixedly mounted on the rear side of the second mounting base 405. The top of the second mounting base 405 is also rotatably connected to the middle part of the upper clamping arm 407 through a rotating shaft. The rear end of the upper clamping arm 407 is rotatably connected to the output shaft of the clamping cylinder 406. An upper clamping platform 408 is fixedly mounted on the front end of the upper clamping arm 407.

[0027] When the clamping cylinder 406 extends, the upper clamping platform 408 descends and clamps the workpiece with the lower clamping platform 404.

[0028] The top surface of the lower clamping platform 404 and the bottom surface of the upper clamping platform 408 are both rectangular surfaces of 16*16mm, with a small contact area with the workpiece, and two sets are provided to facilitate clamping irregularly shaped parts.

[0029] In this design, to facilitate the removal of the workpiece after welding, a workpiece lifting device 5 is also provided at the front end of the worktable 3.

[0030] The workpiece lifting device 5 includes a lifting cylinder 501 and a lifting plate 502; the lifting cylinder 501 is fixedly installed on the worktable 3, and the lifting plate 502 is fixedly installed on the output shaft of the lifting cylinder 501. Several push rods 503 are spaced apart on the lifting plate 502.

[0031] When the pop-up cylinder 501 extends, it drives the push rod 503 on the pop-up plate 502 to move upward, thereby lifting the workpiece and making it easier for the worker to remove the workpiece.

[0032] When using this utility model, the workpiece is placed on the fixture seat 4 so that the rear end of the workpiece abuts against the rear baffle 401 to achieve front and rear position positioning. Then, the clamping cylinder 406 extends and the upper clamping platform 408 descends to clamp the workpiece with the lower clamping platform 404.

[0033] The Y-axis linear module 302 moves the workpiece between the first welding head 203 and the second welding head 204 to complete the welding operation.

[0034] The Y-axis linear module 302 moves the workpiece between the first welding head 203 and the second welding head 204 and then moves it out. The workpiece lifting device 5 lifts the workpiece, making it easier for the worker to remove it.

[0035] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "left," and "right," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, terms such as "set" and "connect" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

Claims

1. A point welder for profiled sections, comprising a base; characterised in that, The middle part of the rear side of the base is vertically fixedly installed with a machine box body, and the front end of the base is further provided with a workbench; in the scheme, the bottom of the workbench is installed on the base through an X-axis linear module and a Y-axis linear module, the X-axis linear module is fixedly installed on the base along the left-right direction, the Y-axis linear module is arranged along the front-rear direction and is fixedly installed on the sliding table of the X-axis linear module, and the workbench is fixedly installed on the sliding table of the Y-axis linear module; the top rear side of the workbench is provided with a clamp seat; the middle part of the rear side of the clamp seat is provided with two spaced rear baffles, and the left and right sides of the clamp seat are both vertically fixedly installed with first installation plates, the middle part of the inner side of the first installation plate is fixedly installed with a first installation seat, and the top of the first installation seat is fixedly installed with a lower clamping table; the inner rear part of the first installation plate is fixedly installed with a second installation seat, the rear side of the second installation seat is fixedly installed with a clamping air cylinder, and the top of the second installation seat is further rotationally connected with the middle part of an upper clamping arm through a rotating shaft, and the rear end of the upper clamping arm is rotationally connected with the output shaft of the clamping air cylinder; the front end of the upper clamping arm is fixedly installed with an upper clamping table; the front end of the workbench is further provided with a workpiece bouncing device, and the workpiece bouncing device comprises a bouncing air cylinder and a bouncing plate; the bouncing air cylinder is fixedly installed on the workbench through an air cylinder support, and the bouncing plate is fixedly installed on the output shaft of the bouncing air cylinder, and a plurality of pushing rods are arranged on the bouncing plate in a spaced manner.

2. The contoured part spot welder of claim 1 wherein, The top of the front end of the machine box body is provided with a first cantilever extending forward, and the middle part of the front end of the machine box body is provided with a second cantilever extending forward, and the distal ends of the first cantilever and the second cantilever are fixedly installed with a first welding head and a second welding head respectively.

3. The contoured part spot welder of claim 1 wherein, The left and right sides of the base are respectively provided with a left protective side plate and a right protective side plate, and the rear end of the left protective side plate is inwardly bent to be provided with a first rear protective plate.

4. The contoured part spot welder of claim 3 wherein, The rear end of the right protective side plate is inwardly bent to be provided with a second rear protective plate; the setting is used for blocking the sparks flying in the welding process.

5. The contoured part spot welder of claim 1 wherein, The surfaces of the top of the lower clamping table and the bottom of the upper clamping table are both rectangular surfaces with a size of 16*16 mm.

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