Brake shoe welding tool

Abstract

The utility model relates to the technical field of welding tools, in particular to a brake shoe welding tool, which improves the convenience of welding and processing different types of products in the same series range, reduces the use limitation and saves the cost in the production process. Comprising a part A and a part B. The part A and the part B are arranged in a left-right mirroring mode, the part A or the part B comprises a first fixing assembly, a second fixing assembly, a third fixing assembly, a positioning plate fixing base, a welding tire fixing base, a positioning plate, a fixing clamping plate and a welding clamping plate, and the positioning plate fixing base and the welding tire fixing base are connected through the first fixing assembly. The positioning plate is installed on the outer side wall of the positioning plate fixing base through a second fixing assembly, the fixing clamping plate is installed on the outer side wall of the positioning plate, and the welding clamping plate is installed on the welding tire fixing base through a third fixing assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of welding tools, in particular to a brake shoe welding tool. Background Art

[0002] In the manufacturing process of the brake system, the welding of the brake shoe is one of the key links. The traditional welding method is usually manually operated, which is inefficient and has poor precision. In order to improve the processing quality, welding tooling is used to weld the brake shoe.

[0003] For example, in the patent with the prior art authorization announcement number CN217832463U, the utility model discloses a brake shoe welding tool, which involves welding positioning technology. It includes a bracket, a positioning block, a tightening mechanism, and an installation box; the tightening mechanism is installed above the installation box, the positioning block is movably inserted in the installation box, and a driving mechanism for driving the positioning block to rise and fall is installed in the installation box; a plurality of telescopic rods are fixedly installed on the side of the tightening mechanism close to the positioning block, the outer sleeve of the telescopic rod is provided with a spring, and a tightening plate is fixedly installed at the end of the telescopic rod; two cylinders are fixedly installed in the installation box, and connecting rods are fixedly installed at the ends of the two cylinders, the connecting rods penetrate the installation box and extend to the top of the positioning block, and the connecting rods are movably connected to the penetrating part of the installation box; a pressure plate is fixedly installed at the top of the connecting rod.

[0004] However, it was found during the use of the tool that the tool has poor versatility and is not convenient for welding products of different sizes, which increases the limitations of its use. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a brake shoe welding tool which improves the convenience of welding and processing different models of products within the same series, reduces usage limitations, and saves costs in the production process.

[0006] The brake shoe welding tool of the utility model comprises an A part and a B part, wherein the A part and the B part are arranged in a left-right mirror image, wherein the A part or the B part comprises a first fixing assembly, a second fixing assembly, a third fixing assembly, a positioning plate fixing seat, a welding fixture fixing seat, a positioning plate, a fixing clamp and a welding clamp, wherein the positioning plate fixing seat and the welding fixture fixing seat are connected via the first fixing assembly, the positioning plate is mounted on the outer side wall of the positioning plate fixing seat via the second fixing assembly, the fixing clamp is mounted on the outer side wall of the positioning plate, and the welding clamp is mounted on the welding fixture fixing seat via the third fixing assembly; the positioning plate fixing seat is mounted on the welding equipment, the workpiece to be welded is placed on the welding clamp, and the workpiece is fixed via the welding clamp The first part of the workpiece is positioned, and then the second part of the workpiece is spliced ​​with the first part of the workpiece. The positioning plate fixing seats on the left and right sides are driven to move closer to each other through the welding device, so that the fixed clamps on both sides clamp and fix the second part of the workpiece, thereby positioning the first part and the second part of the workpiece to avoid offset during welding. Then, the position of the workpiece welding point and the equipment rotation sensing point is adjusted, and the workpiece is welded into shape through resistance welding technology. When it is necessary to weld workpieces of different sizes, the welding clamps are disassembled and replaced, which improves the convenience of welding and processing of different models of products within the same series, reduces usage limitations, and saves production process costs.

[0007] Preferably, it also includes an insulating pad and multiple groups of insulating wood, the insulating pad is arranged between the welding clamp and the welding fixture fixing seat, and the insulating pad is installed on the outer wall of the welding fixture fixing seat through a third fixing component, and the multiple groups of insulating wood are respectively arranged on both sides of the positioning plate fixing seat; by arranging the insulating pad and multiple groups of insulating wood, an insulating effect is played when the workpiece is welded, sparks are prevented during welding, and operation safety is improved.

[0008] Preferably, the first fixing assembly includes multiple groups of first hexagon socket bolts, which are respectively threaded on the welding fixture fixing seat, and the multiple groups of first hexagon socket bolts are used to fix the positioning plate fixing seat on the welding fixture fixing seat; by providing multiple groups of first hexagon socket bolts, the connection convenience between the positioning plate fixing seat and the welding fixture fixing seat is improved.

[0009] Preferably, the second fixing assembly includes nuts and screws, one ends of multiple sets of screws are respectively screwed on the positioning plate, the other ends of multiple sets of screws pass through the interior of the positioning plate fixing seat, multiple sets of nuts are respectively screwed on the ends of multiple sets of screws, and multiple sets of insulating wood are respectively installed on the multiple sets of screws; by providing multiple sets of screws, the convenience of installation between the positioning plate fixing seat and the positioning plate is improved.

[0010] Preferably, the third fixing assembly includes multiple groups of second hexagon socket bolts and multiple groups of cylindrical pins, the multiple groups of cylindrical pins respectively pass through multiple groups of welding fixture fixing seats, insulating pads and welding clamps, and the multiple groups of second hexagon socket bolts are respectively screwed on the multiple groups of welding clamps; by providing multiple groups of cylindrical pins, the concentric effect of the welding clamp and the welding fixture fixing seat is improved, and the convenience of tooling installation is improved.

[0011] Preferably, the welding fixture fixing seat and the fixing clamp are made of chromium-zirconium-copper, which improves the electrical conductivity and thermal conductivity of the workpiece during welding, reduces the loss during welding, and improves the welding processing efficiency.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the positioning plate fixing seat is installed on the welding equipment, the workpiece to be welded is placed on the welding clamp, the first part of the workpiece is positioned by the welding clamp, and then the second part of the workpiece is spliced ​​with the first part of the workpiece, and the positioning plate fixing seats on the left and right sides are driven to move closer to each other by the welding device, so that the fixed clamps on both sides clamp and fix the second part of the workpiece, thereby positioning the first part and the second part of the workpiece to avoid offset during welding, and then adjust the position of the workpiece welding point and the equipment rotation sensing point, and weld the workpiece into shape by resistance welding technology. When it is necessary to weld workpieces of different sizes, the welding clamp is disassembled and replaced, thereby improving the convenience of tooling for welding and processing different models of products within the same series, reducing usage limitations, and saving production process costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the side view structure of the fixing clamp plate and the insulating pad;

[0015] Figure 3 It is a schematic diagram of the axonometric structure of the connection between the positioning plate fixing seat and the welding fixture fixing seat;

[0016] Figure 4 It is a side view structural diagram of the connection between the screw and the nut;

[0017] Figure 5 It is an axonometric partial structural diagram of the connection between the positioning plate fixing seat and the first hexagon socket bolt, etc.

[0018] Markings in the attached drawings: 1. Positioning plate fixing seat; 2. Welding fixture fixing seat; 3. Positioning plate; 4. Fixing splint; 5. Insulating pad; 6. Nut; 7. First hexagon socket bolt; 8. Screw; 9. Second hexagon socket bolt; 10. Cylindrical pin; 11. Insulating wood; 12. Welding splint. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Example 1

[0020] like Figures 1 to 5 As shown, the brake shoe welding tool of the utility model comprises part A and part B, and part A and part B are arranged as left and right mirror images, and the part A or part B comprises a first fixing assembly, a second fixing assembly, a third fixing assembly, a positioning plate fixing seat 1, a welding fixture fixing seat 2, a positioning plate 3, a fixing clamp plate 4 and a welding clamp plate 12, the positioning plate fixing seat 1 and the welding fixture fixing seat 2 are connected by the first fixing assembly, the positioning plate 3 is installed on the outer side wall of the positioning plate fixing seat 1 by the second fixing assembly, the fixing clamp plate 4 is installed on the outer side wall of the positioning plate 3, and the welding clamp plate 12 is installed on the welding fixture fixing seat 2 by the third fixing assembly;

[0021] like Figure 1 As shown, it also includes an insulating pad 5 and multiple groups of insulating wood 11, the insulating pad 5 is arranged between the welding clamp 12 and the welding fixture fixing seat 2, and the insulating pad 5 is installed on the outer side wall of the welding fixture fixing seat 2 through a third fixing component, and the multiple groups of insulating wood 11 are respectively arranged on both sides of the positioning plate fixing seat 1;

[0022] In this embodiment, the positioning plate fixing seat 1 is installed on the welding equipment, the workpiece to be welded is placed on the welding clamp 12, the first part of the workpiece is positioned by the welding clamp 12, and then the second part of the workpiece is spliced ​​with the first part of the workpiece, and the positioning plate fixing seats 1 on the left and right sides are driven to move closer to each other by the welding device, so that the fixing clamps 4 on both sides clamp and fix the second part of the workpiece, thereby positioning the first part and the second part of the workpiece to avoid offset during welding, and then adjust the position of the workpiece welding point and the equipment rotation sensing point. The workpiece is welded into shape by resistance welding technology. When it is necessary to weld workpieces of different sizes, the welding clamp 12 is disassembled and replaced to improve the convenience of tooling for welding and processing different models of products within the same series, reduce usage limitations, and save production process costs. Example 2

[0023] On the basis of Example 1, Figure 3 As shown, the brake shoe welding tool of the utility model, the first fixing assembly includes a plurality of groups of first hexagon socket bolts 7, the plurality of groups of first hexagon socket bolts 7 are respectively threadedly mounted on the welding fixture fixing seat 2, and the plurality of groups of first hexagon socket bolts 7 are used to fix the positioning plate fixing seat 1 on the welding fixture fixing seat 2;

[0024] like Figure 3As shown, the second fixing assembly includes nuts 6 and screws 8, one end of the multiple sets of screws 8 are respectively screwed on the positioning plate 3, the other ends of the multiple sets of screws 8 pass through the interior of the positioning plate fixing seat 1, the multiple sets of nuts 6 are respectively screwed on the ends of the multiple sets of screws 8, and the multiple sets of insulating wood 11 are respectively installed on the multiple sets of screws 8;

[0025] like Figure 2 As shown, the third fixing assembly includes multiple groups of second hexagon socket bolts 9 and multiple groups of cylindrical pins 10, the multiple groups of cylindrical pins 10 respectively pass through multiple groups of welding fixture fixing seats 2, insulating pads 5 and welding clamps 12, and the multiple groups of second hexagon socket bolts 9 are respectively screwed on the multiple groups of welding clamps 12;

[0026] like Figure 1 As shown, the material of the welding fixture fixing seat 2 and the fixing clamping plate 4 is chromium-zirconium copper;

[0027] In this embodiment, by providing an insulating pad 5 and multiple groups of insulating wood 11, an insulating effect is played when the workpiece is welded, sparks are prevented during welding, and operation safety is improved. By providing multiple groups of first hexagon socket bolts 7, the connection convenience between the positioning plate fixing seat 1 and the welding fixture fixing seat 2 is improved.

[0028] The brake shoe welding tool of the utility model, when working, installs the positioning plate fixing seat 1 on the welding equipment, places the workpiece to be welded on the welding clamp 12, positions the first part of the workpiece by the welding clamp 12, then splices the second part of the workpiece with the first part of the workpiece, drives the positioning plate fixing seats 1 on the left and right sides to move closer to each other by the welding device, makes the fixing clamps 4 on both sides clamp and fix the second part of the workpiece, thereby positioning the first part and the second part of the workpiece, then adjusts the position of the workpiece welding point and the rotation sensing point of the equipment, welds the workpiece into shape by the resistance welding technology, and disassembles and replaces the welding clamp 12 when welding workpieces of different sizes is required.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. Brake shoe welding tool, characterized in that: The invention comprises a part A and a part B, wherein the part A and the part B are arranged in a left-right mirror image, and the part A or the part B comprises a first fixing component, a second fixing component, a third fixing component, a positioning plate fixing seat (1), a welding fixture fixing seat (2), a positioning plate (3), a fixing clamp (4) and a welding clamp (12), wherein the positioning plate fixing seat (1) and the welding fixture fixing seat (2) are connected via the first fixing component, the positioning plate (3) is mounted on the outer side wall of the positioning plate fixing seat (1) via the second fixing component, the fixing clamp (4) is mounted on the outer side wall of the positioning plate (3), and the welding clamp (12) is mounted on the welding fixture fixing seat (2) via the third fixing component.

2. The brake shoe welding tool as claimed in claim 1, characterized in that: It also includes an insulating pad (5) and a plurality of groups of insulating wood (11), wherein the insulating pad (5) is arranged between the welding clamp (12) and the welding fixture fixing seat (2), and the insulating pad (5) is mounted on the outer side wall of the welding fixture fixing seat (2) via a third fixing assembly, and the plurality of groups of insulating wood (11) are respectively arranged on both sides of the positioning plate fixing seat (1).

3. The brake shoe welding tool as claimed in claim 1, characterized in that: The first fixing assembly comprises a plurality of groups of first hexagon socket bolts (7), the plurality of groups of first hexagon socket bolts (7) being respectively threadedly mounted on the welding fixture fixing seat (2), and the plurality of groups of first hexagon socket bolts (7) are used to fix the positioning plate fixing seat (1) on the welding fixture fixing seat (2).

4. The brake shoe welding tool as claimed in claim 1, characterized in that: The second fixing assembly comprises nuts (6) and screw rods (8), one end of the plurality of sets of screw rods (8) are respectively screwed onto the positioning plate (3), the other ends of the plurality of sets of screw rods (8) pass through the interior of the positioning plate fixing seat (1), the plurality of sets of nuts (6) are respectively screwed onto the ends of the plurality of sets of screw rods (8), and the plurality of sets of insulating wood (11) are respectively mounted on the plurality of sets of screw rods (8).

5. The brake shoe welding tool as claimed in claim 1, characterized in that: The third fixing assembly comprises a plurality of sets of second hexagon socket bolts (9) and a plurality of sets of cylindrical pins (10), wherein the plurality of sets of cylindrical pins (10) respectively pass through the plurality of sets of welding fixture fixing seats (2), insulating pads (5) and welding clamps (12), and the plurality of sets of second hexagon socket bolts (9) are respectively screwed onto the plurality of sets of welding clamps (12).

6. The brake shoe welding tool as claimed in claim 1, characterized in that: The material of the welding fixture fixing seat (2) and the fixing clamp (4) is chromium-zirconium-copper.

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