A quick positioning fixture for a resistance welding machine

Abstract

This utility model discloses a rapid positioning fixture for a resistance welding machine, belonging to the technical field of resistance welding equipment. It includes a fixture body with a guide rail groove and a movable slider component on its top surface. A movable auxiliary positioning block is provided on one side of the slider component, and a through hole is provided on the fixture body. This utility model's fixture structure, combined with the adjustable graduated slider component and auxiliary positioning block, achieves rapid and precise positioning of the workpiece during resistance welding, improving welding quality and processing efficiency. The slider component and auxiliary positioning block can be flexibly adjusted according to different workpiece sizes, offering strong versatility. The through hole at the bottom of the fixture facilitates welding pin replacement, improving maintenance convenience. The fixture can be quickly assembled and disassembled with the welding machine, suitable for operations requiring frequent on-site changes. The overall fixture structure is compact, highly integrated, and low-cost, and can be customized to meet specific needs, making it suitable for multi-variety, small-batch production.

Description

Technical Field

[0001] This utility model relates to the field of resistance welding equipment technology, and in particular to a quick positioning fixture for resistance welding machines, which is suitable for quick and accurate positioning of workpieces in resistance spot welding operations. Background Technology

[0002] In existing resistance spot welding operations, due to the lack of standardized positioning fixtures, operators mainly rely on manual visual inspection to position the workpiece. This method not only has low positioning accuracy, leading to large deviations in weld point positions, but also has low operational efficiency, seriously affecting the consistency and quality of batch welding. Therefore, an auxiliary fixture capable of achieving rapid and accurate positioning is needed to improve welding efficiency and process stability. Utility Model Content

[0003] The purpose of this invention is to provide a rapid positioning fixture for a resistance welding machine, which solves the problem that in existing resistance spot welding operations, operators mainly rely on manual visual inspection to complete the workpiece positioning, resulting in low positioning accuracy, large deviations in weld point positions, low operating efficiency, and affecting the consistency and welding quality of batch welding.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] This utility model discloses a quick positioning fixture for a resistance welding machine, comprising a fixture body, a guide rail groove on the top surface of the fixture body, a movable slider component inside the guide rail groove, a movable auxiliary positioning block on one side of the slider component, and a through hole on the fixture body for inserting, installing and replacing welding needles.

[0006] Furthermore, the slider component moves within the guide groove along the normal direction of the workpiece, and after moving to a suitable position, it is locked and positioned by a bolt assembly.

[0007] Furthermore, the slider component is provided with a second scale line for workpiece positioning.

[0008] Furthermore, the tooling body is provided with first scale lines on both sides of the guide rail groove.

[0009] Furthermore, the auxiliary positioning block can move along the normal direction of the workpiece and be locked in place by bolt assembly after moving to the appropriate position.

[0010] Furthermore, a first bolt mounting hole is provided on the bottom left side of the tooling body, and a first nut mounting hole is provided inside the tooling body at a position corresponding to the first bolt mounting hole.

[0011] Furthermore, the worktable surface of the tooling body is provided with a plurality of second bolt mounting holes for fixing the slider component and the auxiliary positioning block, and a second nut mounting hole is provided on the inner side of the second bolt mounting hole.

[0012] Furthermore, the tooling body, the slider component, and the auxiliary positioning block are all manufactured using 3D printing with high thermal stability plastic materials.

[0013] Furthermore, the tooling adopts an upper-sleeve installation structure. The bottom of the tooling body is provided with a positioning slot and fitting area that matches the geometry of the resistance welding machine base, which can be accurately positioned and installed on the welding machine base from top to bottom, achieving rapid alignment.

[0014] Compared with the prior art, the beneficial technical effects of this utility model are as follows:

[0015] This invention provides an adjustable positioning fixture that enables rapid and precise positioning of workpieces of different sizes on a resistance welding machine. The fixture body, combined with an adjustable graduated slider and auxiliary positioning block, achieves rapid and precise workpiece positioning during resistance welding, significantly improving welding quality and processing efficiency. The slider and auxiliary positioning block can be flexibly adjusted according to different workpiece sizes, offering strong versatility. A through hole at the bottom of the fixture facilitates welding pin replacement, enhancing maintenance convenience. The clamping structure allows for quick loading and unloading of the fixture from the welding machine, suitable for operations requiring frequent on-site changes. The overall fixture structure is compact, highly integrated, and low-cost, and can be customized to suit various product types and small batch production needs. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] Figure 1 This is a schematic diagram of the assembly structure of the tooling body and the slider component of this utility model;

[0018] Figure 2 This is a schematic diagram of the tooling body structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the assembly method of the tooling and welding machine of this utility model;

[0020] Figure 4 This is a left-side view of the tooling of this utility model installed behind the welding machine.

[0021] Figure 5 This is a right-side view of the tooling of this utility model installed behind the welding machine.

[0022] Explanation of reference numerals in the attached drawings: 1. Tooling body; 1-1. First bolt mounting hole; 1-2. First nut mounting hole; 1-3. Second bolt mounting hole; 1-4. Second nut mounting hole; 1-5. Through hole; 1-6. First scale line; 2. Slider component; 2-1. Second scale line; 3. Auxiliary positioning block; 4. Welding machine; 4-1. First welding machine bolt; 4-2. Second welding machine bolt; 4-3. Water cooling interface. Detailed Implementation

[0023] like Figure 1-5 As shown, a quick positioning fixture for a resistance welding machine includes a fixture body 1. A guide rail groove is provided on the top surface of the fixture body 1, and a movable slider component 2 is disposed within the guide rail groove. A movable auxiliary positioning block 3 is provided on one side of the slider component 2. The fixture body 1 has through holes 1-5 for inserting, installing, and replacing welding needles. The through holes 1-5 communicate with a groove at the bottom of the fixture body 1, allowing for the extension, installation, and removal of the welding needles without affecting the welding operation. The bottom through hole design facilitates quick replacement of the welding needles and is easy to maintain. The fixture is suitable for positioning workpieces with a width not exceeding 30mm.

[0024] The slider component 2 moves within the guide rail groove along the normal direction of the workpiece. After moving to the appropriate position, it is locked in place by a bolt assembly. The position of the slider component 2 is adjustable to accommodate workpieces of different sizes, improving positioning flexibility. The slider component 2 is provided with a second scale line 2-1, each division of which represents 2.5mm and has a length of 80mm, for workpiece positioning. The scaled slider component 2 can improve the repeatability accuracy of workpiece positioning and facilitate standardized operation.

[0025] The tooling body 1 is provided with first scale lines 1-6 on both sides of the guide rail groove. Each division of the first scale line 1-6 represents 1mm and is used to assist in positioning and to adjust the positioning reference according to the workpiece size.

[0026] The auxiliary positioning block 3 can move along the normal direction of the workpiece. The auxiliary positioning block 3 moves in conjunction with the slider component 2, and after moving to a suitable position, it is locked in place by a bolt assembly. The auxiliary positioning block provides multi-point support, improving the stability of the workpiece during movement and placement. The auxiliary positioning block 3 can be adjusted forward and backward and fixed in a set position by M6 bolts to limit the angle and position of the workpiece.

[0027] A first bolt mounting hole 1-1 is provided on the bottom left side of the tooling body 1. A first nut mounting hole 1-2 is provided inside the tooling body 1 at a position corresponding to the first bolt mounting hole 1-1. An M6 bolt is installed in the first bolt mounting hole 1-1, and an M6 nut is installed in the first nut mounting hole 1-2, for clamping the bolt with the welding machine. Figure 2 As shown, the tooling body 1 has a positioning surface located inside the first nut mounting hole 1-2. After the resistance welding machine base is installed in the clamping groove, the M6 ​​bolt can be connected to the resistance welding machine base to achieve quick assembly and disassembly and positioning. The clamping groove and the bolt cooperate to form a clamping structure. The clamping structure is a spiral clamping type. The tooling is reliably connected to the welding machine base by rotating the clamping bolt. The clamping installation structure facilitates quick assembly and disassembly, improving work efficiency.

[0028] The worktable of the tooling body 1 is provided with four second bolt mounting holes 1-3, and the inner side of the second bolt mounting holes 1-3 is provided with second nut mounting holes 1-4; the two second bolt mounting holes 1-3 near the front side match the waist-shaped holes on the slider component 2 and are used to fix the slider component 2; the two second bolt mounting holes 1-3 near the rear side match the waist-shaped holes on the auxiliary positioning block 3 and are used to fix the auxiliary positioning block 3.

[0029] The tooling body 1, the slider component 2, and the auxiliary positioning block 3 are all manufactured using 3D printing with high thermal stability plastic material. The tooling is manufactured using 3D printing, which features rapid manufacturing and low cost, and can be customized according to different welding machine sizes and workpiece sizes.

[0030] The tooling adopts an upper-sleeve installation structure. The bottom of the tooling body 1 is provided with a positioning slot and a fitting area that match the geometry of the resistance welding machine base. It can be accurately positioned and installed on the welding machine base from top to bottom, achieving rapid alignment.

[0031] In actual operation, the operator according to Figure 3 The tooling is embedded into the welding machine 4 and locked in place according to the installation direction. Then, based on the shape and size of the workpiece, the position of the slider component 2 and the auxiliary positioning block 3 is adjusted to quickly complete the workpiece positioning. It can be reused and adjusted repeatedly during use, improving positioning consistency and efficiency, and greatly reducing manual alignment errors.

[0032] In the actual manufacturing process, the tooling can be adjusted according to the actual shape of the welding machine. The tooling body 1 has through slots on both the left and right sides to avoid structures such as the first welding machine bolt 4-1, the second welding machine bolt 4-2, and the water cooling interface 4-3.

[0033] The fixture body is bolted to the base of the resistance welding machine. The slider component is adjustable and has a scale, and the auxiliary positioning block can be adjusted according to the workpiece size, thereby achieving rapid and accurate workpiece positioning. This fixture is reasonably designed, has low manufacturing cost, and a wide range of applications. It can effectively improve welding accuracy and processing efficiency, and is suitable for workpiece positioning operations in resistance welding processes.

[0034] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A resistance welder quick positioning tool, characterized in that: The tooling body (1) includes a guide rail groove on its top surface, a movable slider component (2) in the guide rail groove, a movable auxiliary positioning block (3) on one side of the slider component (2), and through holes (1-5) on the tooling body (1) for inserting and replacing welding needles.

2. The resistance welder rapid positioning tooling of claim 1, wherein: The slider component (2) moves along the normal direction of the workpiece within the guide rail groove, and is locked in place by bolt assembly after moving to the appropriate position.

3. The resistance welder rapid positioning tooling of claim 1, wherein: The slider component (2) is provided with a second scale line (2-1) for workpiece positioning.

4. The resistance welder rapid positioning tooling of claim 1, wherein: The tooling body (1) is provided with first scale lines (1-6) on both sides of the guide rail groove.

5. The resistance welder rapid positioning tooling of claim 1, wherein: The auxiliary positioning block (3) can move along the normal direction of the workpiece and is locked in place by bolt assembly after moving to the appropriate position.

6. The rapid positioning tooling for resistance welders of claim 1, wherein: The tooling body (1) has a first bolt mounting hole (1-1) on the bottom left side, and the tooling body (1) has a first nut mounting hole (1-2) at the position corresponding to the first bolt mounting hole (1-1).

7. The rapid positioning tooling for resistance welders of claim 1, wherein: The worktable of the tooling body (1) is provided with a plurality of second bolt mounting holes (1-3) for fixing the slider component (2) and the auxiliary positioning block (3), and a second nut mounting hole (1-4) is provided on the inner side of the second bolt mounting hole (1-3).

8. The rapid positioning tooling for resistance welders of claim 1, wherein: The tooling body (1), the slider component (2), and the auxiliary positioning block (3) are all made of thermally stable plastic material and manufactured by 3D printing.

9. The rapid positioning tooling for resistance welders of claim 1, wherein: The tooling adopts an upper-mounted installation structure. The bottom of the tooling body (1) is provided with a positioning slot and a fitting area that match the geometry of the resistance welding machine base. It can be accurately positioned and installed on the welding machine base from top to bottom to achieve rapid alignment.

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