A simple welding fixture

Abstract

This utility model belongs to the field of stamping welding technology, and in particular to a simple welding fixture, including a support base plate, a first workpiece, and four second workpieces. The four second workpieces are respectively welded to the bottom of the first workpiece. The support base plate is provided with a first positioning component, which includes a fixing plate and positioning pins for positioning the workpieces. The outer side of the support base plate is provided with a second positioning component corresponding to the welding position. The second positioning component includes a clamp and a fixing column. With the help of positioning bolts, the workpiece can be easily positioned on the support base plate. After the second workpieces are positioned in sequence, the first workpiece can be supported on the second workpieces under the action of the positioning pins and pressed on the first and second workpieces by the fixing column, thereby stably welding the second workpieces onto the first workpiece. It is easy to operate, simple in structure, easy to assemble, suitable for small batch production, and the parts of the fixture are easy to obtain and have low manufacturing cost.

Description

Technical Field

[0001] This utility model belongs to the field of stamping welding technology, specifically relating to a simple welding fixture. Background Technology

[0002] In the welding assembly process of stamped parts for automobiles, home appliances, and other products, welding fixtures are often required. The use of welding fixtures can accurately and reliably position and clamp the parts, reduce dimensional deviations, improve the precision and interchangeability of the parts, and effectively prevent and reduce welding deformation.

[0003] Welding fixtures often require multiple parts, including platforms, positioning units, clamping units, and lifters. These fixtures are suitable for mass production and scenarios requiring high production efficiency. However, they are difficult to assemble, have long processing cycles, and high procurement costs, making them unsuitable for small-batch production, especially for welding prototype body parts. Utility Model Content

[0004] This utility model provides a simple welding fixture, which features stable welding of workpieces, convenient operation, simple structure, suitability for small-batch production, readily available parts, and low manufacturing cost.

[0005] This utility model provides the following technical solution: a simple welding fixture, including a supporting base plate, a first workpiece and four second workpieces, the four second workpieces being welded to the bottom of the first workpiece respectively, the supporting base plate being provided with a first positioning component, the first positioning component including a fixing plate and a positioning pin for positioning the workpiece, the outer side of the supporting base plate being provided with a second positioning component corresponding to the welding position, the second positioning component including a clamping clamp and a fixing clamping column, the first workpiece being provided with a clamping area opposite to the second workpiece, the bottom end face of the fixing clamping column being located within the clamping area.

[0006] The second workpiece is fixed with a welding nut by welding, and the welding nut is internally threaded with a positioning bolt.

[0007] One end of the positioning bolt passes through the support base plate, and the other end of the positioning bolt is located at the bottom of the support base plate.

[0008] The first workpiece and the second workpiece are connected by a weld, which is opposite to the clamping area.

[0009] The fixed pressure column is fixed at the clamping end of the clamp, and the clamp is fixedly installed on the support base plate.

[0010] The positioning pin is fixedly connected to the supporting base plate, and the fixing plate is inserted into the positioning pin.

[0011] The first workpiece has a hole that mates with the positioning pin, and the top of the fixing plate has a chamfer.

[0012] The beneficial effects of this utility model are: The first positioning component includes a fixed plate and positioning pins for positioning the workpiece, while a second positioning component corresponding to the welding position is provided on the outer side of the support base plate. This allows welding nuts to be pre-welded onto the parts, and the second workpiece can be easily positioned on the support base plate using positioning bolts. After the second workpiece is positioned, the first workpiece is supported on the second workpiece by the positioning pins, and the first and second workpieces are pressed together by fixed pressure columns, thus stably welding the second workpiece onto the first workpiece. This method is simple to operate, has a concise structure, is easy to assemble, and is suitable for small-batch production. The fixture's components are readily available, and the manufacturing cost is low.

[0013] The parts of the device not covered herein are the same as or can be implemented using existing technologies. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is the front view of the present invention; Figure 3 This is a schematic diagram of the pressing area in this utility model; Figure 4 This is a cross-sectional view of the present invention; In the figure: 1. Support base plate; 2. First positioning component; 21. Fixing plate; 22. Positioning pin; 3. Second positioning component; 31. Clamping clamp; 32. Fixing pressure column; 4. First workpiece; 41. Clamping area; 5. Second workpiece; 6. Positioning bolt; 7. Welding nut. Detailed Implementation

[0015] Please see Figures 1-4 The present invention provides the following technical solution: including a supporting base plate 1, a first workpiece 4 and four second workpieces 5, the four second workpieces 5 are respectively welded to the bottom of the first workpiece 4, the supporting base plate 1 is provided with a first positioning component 2, the first positioning component 2 includes a fixing plate 21 and a positioning pin 22 for positioning the workpiece, the outer side of the supporting base plate 1 is provided with a second positioning component 3 corresponding to the welding position, the second positioning component 3 includes a clamping clamp 31 and a fixing clamping column 32, the first workpiece 4 is provided with a clamping area 41 opposite to the second workpiece 5, and the bottom end face of the fixing clamping column 32 is located in the clamping area 41.

[0016] In this embodiment: the first positioning component 2 includes a fixing plate 21 and a positioning pin 22 for positioning the workpiece. A second positioning component 3, corresponding to the welding position, is provided on the outer side of the support base plate 1. The second positioning component 3 includes a clamping clamp 31 and a fixing clamping column 32. A rubber pad is fixed to the bottom of the fixing clamping column 32, providing a certain compression space for easy contact and stable positioning on the workpiece. The first workpiece 4 has a clamping area 41 opposite to the second workpiece 5. The bottom end face of the fixing clamping column 32 is located within the clamping area 41. Welding nuts 7 can be pre-welded onto the part. The positioning bolt 6 is passed through the support base plate 1, and one end of the positioning bolt 6 is screwed into the welding nut 7 for fixation. The positioning bolt 6 facilitates the positioning of the second workpiece 5 on the support base plate 1. The positioning pin 22 is fixedly connected to the support base plate 1, and the fixing plate 21 is inserted into the positioning pin 22. After the second workpiece 5 is positioned sequentially, the first workpiece 4 can be supported on the second workpiece 5 under the action of the positioning pin 22, and pressed onto the first workpiece 4 and the second workpiece 5 by the fixing column 32, thus stably welding the second workpiece 5 onto the first workpiece 4. This method is convenient to operate, has a simple structure, is suitable for small-batch production, and the fixture components are readily available, resulting in low manufacturing costs. After welding the workpiece, the positioning bolt 6 can be removed, the clamp 31 opened, the fixing column 32 removed from the clamping area 41, and the assembly removed along the direction of the positioning pin 22, completing the welding of this assembly. When welding different workpieces, the positioning pin 22 and the fixing column 32 can be used for direct positioning, facilitating the welding process. The positioning pin 22 also provides support; the workpiece can be placed on the end of the positioning pin 22.

[0017] The second workpiece 5 is fixed with a welding nut 7 by welding. The welding nut 7 is internally threaded with a positioning bolt 6. One end of the positioning bolt 6 passes through the support base plate 1, and the other end of the positioning bolt 6 is located at the bottom of the support base plate 1. The welding nut 7 is pre-welded to the part, and the positioning bolt 6 can be used to easily position the workpiece on the support base plate 1.

[0018] There is a weld between the first workpiece 4 and the second workpiece 5. The weld is opposite to the pressing area 41. The fixed pressure column 32 is fixed at the pressing end of the clamp 31. The clamp 31 is fixedly installed on the support base plate 1. The bottom end face of the fixed pressure column 32 is located in the pressing area 41. By pressing the first workpiece 4 and the second workpiece 5 with the fixed pressure column 32, the second workpiece 5 can be stably welded to the first workpiece 4.

[0019] The first workpiece 4 has a hole that mates with the positioning pin 22, and the top of the fixing plate 21 has a chamfer; this facilitates positioning by mates the positioning pin 22 with the workpiece.

[0020] The working principle and usage process of this utility model are as follows: A second positioning component 3 corresponding to the welding position is provided on the outer side of the support base plate 1. The second positioning component 3 includes a clamping clamp 31 and a fixing clamping column 32. The first workpiece 4 is provided with a clamping area 41 opposite to the second workpiece 5. The bottom end face of the fixing clamping column 32 is located within the clamping area 41. Welding nuts 7 can be pre-welded onto the parts. The positioning bolt 6 is passed through the support base plate 1, and one end of the positioning bolt 6 is screwed into the welding nut 7 for fixation. The positioning bolt 6 can be used to easily position the workpiece on the support base plate 1. The positioning pin 22 is fixedly connected to the support base plate 1, and the fixing plate 21 is inserted into the positioning pin 22. After the second workpiece 5 is positioned in sequence, the first workpiece 4 can be supported on the second workpiece 5 under the action of the positioning pin 22, and pressed on the first workpiece 4 and the second workpiece 5 by the fixing clamping column 32, thereby stably welding the second workpiece 5 onto the first workpiece 4. It is easy to operate, has a simple structure, is suitable for small batch production, the parts of the fixture are easy to obtain, and the manufacturing cost is low. After welding the workpiece, the positioning bolt 6 can be removed, the clamp 31 opened, and the fixing column 32 removed from the clamping area 41. The assembly can then be removed along the direction of the positioning pin 22. The welding of this assembly is now complete. When welding different workpieces, the positioning pin 22 and the fixing column 32 can be used for direct positioning, facilitating the welding process. The positioning pin 22 also serves a supporting function; the workpiece can be placed at the end of the positioning pin 22.

Claims

1. A simple welding fixture, comprising a support base plate (1), a first workpiece (4), and four second workpieces (5), wherein the four second workpieces (5) are respectively welded to the bottom of the first workpiece (4), characterized in that: The support base plate (1) is provided with a first positioning component (2), the first positioning component (2) includes a fixing plate (21) and a positioning pin (22) for positioning the workpiece. The support base plate (1) is provided with a second positioning component (3) corresponding to the welding position on the outside. The second positioning component (3) includes a clamp (31) and a fixed pressure column (32). The first workpiece (4) is provided with a pressing area (41) opposite to the second workpiece (5). The bottom end face of the fixed pressure column (32) is located in the pressing area (41).

2. The simplified welding fixture according to claim 1, characterized in that: The second workpiece (5) is fixed with a welding nut (7) by welding, and the welding nut (7) is internally threaded with a positioning bolt (6).

3. The simplified welding fixture according to claim 2, characterized in that: One end of the positioning bolt (6) passes through the support base plate (1), and the other end of the positioning bolt (6) is located at the bottom of the support base plate (1).

4. The simplified welding fixture according to claim 1, characterized in that: There is a weld between the first workpiece (4) and the second workpiece (5), and the weld is opposite to the clamping area (41).

5. A simple welding fixture according to claim 1, characterized in that: The fixed pressure column (32) is fixed at the pressing end of the clamp (31), and the clamp (31) is fixedly installed on the support base plate (1).

6. A simple welding fixture according to claim 1, characterized in that: The positioning pin (22) is fixedly connected to the supporting base plate (1), and the fixing plate (21) is inserted into the positioning pin (22).

7. A simple welding fixture according to claim 1, characterized in that: The first workpiece (4) has a hole that matches the positioning pin (22), and the top of the fixing plate (21) has a chamfer.

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