A welding fixture for a mine crusher connecting mechanism
By designing welding fixtures for the connection mechanism of mining crushers, precise positioning and fixing are achieved using structures such as pads, pads, positioning columns, and clamping and fixing mechanisms. This solves the problems of low welding quality and efficiency in mining crushers, and realizes efficient welding and convenient operation.
Patent Information
- Application Number
- CN202522060970.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-25
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-09-25
AI Technical Summary
The welding quality of the connecting mechanism of the mining crusher is difficult to meet the requirements, the welding efficiency is low, and the processing efficiency is also low.
A welding fixture consisting of pads, pad strips, positioning columns, transverse positioning rods, and clamping and fixing mechanisms was designed to accurately position and fix the connecting mechanism of a mining crusher, thereby reducing welding deformation.
It improves welding quality and efficiency, reduces processing difficulty, lowers manual labor intensity, and is easy to operate.
Smart Images

Figure CN224674177U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of machinery, and more particularly to tooling fixtures, especially a welding fixture for the connecting mechanism of a mining crusher. Background Technology
[0002] In the field of machinery manufacturing, the connecting mechanism of a mining crusher is a complex welded component. It has numerous parts, is a welded structure, and requires high precision at the joints. Because it needs to be assembled with other components, the overall deformation after welding must not be too large. However, due to the large number of components, many dimensions need to be considered during assembly and welding, making assembly very troublesome. The amount of welding is also large, resulting in significant deformation after welding, making it difficult to meet product quality requirements, and also leading to low processing efficiency. Utility Model Content
[0003] The purpose of this utility model is to provide a welding fixture for the connecting mechanism of a mining crusher, which solves the technical problems of the welding quality of the connecting mechanism of a mining crusher being difficult to meet the requirements and the welding efficiency being low in the prior art.
[0004] This utility model provides a welding fixture for a connecting mechanism of a mining crusher, including a base. A first positioning post is fixedly mounted on the base. Two pads are fixedly mounted on the base to the right of the first positioning post, with the two pads spaced apart along the width direction of the base. A first pad strip is fixedly mounted on the base to the right of the pads, parallel to the width direction of the base. Two first L-shaped positioning strips are fixedly mounted on the base to the right of the first pad strips, facing each other with their length direction parallel to the width direction of the base. The short sides of the first L-shaped positioning strips are upward and perpendicular to the base. Each first L-shaped positioning strip has a short side facing upward and perpendicular to the base. A second L-shaped positioning strip is fixedly installed, its length direction parallel to the length direction of the base. The short side of the second L-shaped positioning strip is upward and perpendicular to the base. Two second positioning posts are fixedly installed on the base between the second L-shaped positioning strips, spaced apart along the width direction of the base. A second pad is installed on the base to the right of the second positioning posts, its length direction parallel to the width direction of the base. Two fixing posts are fixedly installed on the base to the right of the second pad, spaced apart along the width direction of the base. Each fixing post has a first transverse positioning rod fixedly connected to its upper end. A pair of horizontal positioning rods are arranged facing each other. On the base, to the right of each fixed post, there is a first clamping and fixing mechanism. A third pad is fixedly placed on the base between the first clamping and fixing mechanisms. Above the third pad, two T-shaped support plates are arranged at intervals along the length of the base. A fourth pad is fixedly placed on the base to the right of the third pad. To the right of the fourth pad, there are two second clamping and fixing mechanisms on the base, spaced apart along the width of the base. Between the two second clamping and fixing mechanisms on the base, there are two third positioning posts. The base is configured with two bottom support plates fixed between two third positioning posts. The two bottom support plates are perpendicular to the base and spaced apart along the width direction of the base. A first support bar and a second support bar are provided above the bottom support plates. The first support bar and the second support bar are parallel to the width direction of the base. The second support bar is located to the upper right of the first support bar. A fourth positioning post is fixedly provided on the right side of each bottom support plate on the base. The two fourth positioning posts are spaced apart along the width direction of the base. A second transverse positioning rod is connected between the upper ends of the two fourth positioning posts. A fifth positioning post is fixedly provided on the base between the two fourth positioning posts.
[0005] Furthermore, the first clamping and fixing mechanism and the second clamping and fixing mechanism each include a mounting column, a rotating rod is rotatably connected to the upper end of the mounting column, a threaded hole is provided at the end of the rotating rod, a screw is threadedly connected to the threaded hole, and a pressure block is connected to the lower end of the screw.
[0006] Compared with the prior art, the advantages of this invention are positive and significant. This invention, through various pads, strips, positioning posts, transverse positioning rods, and clamping mechanisms, effectively positions and fixes the workpieces of the connecting mechanism of the mining crusher. This not only eliminates the need to consider dimensional relationships during manual assembly but also reduces deformation during welding, thereby greatly reducing processing difficulty, improving welding efficiency and quality, facilitating operation, and reducing manual labor intensity. Attached Figure Description
[0007] Figure 1 This is a first perspective view of a welding fixture for a connecting mechanism of a mining crusher according to the present invention.
[0008] Figure 2 This is a second perspective view of a welding fixture for a connecting mechanism of a mining crusher according to the present invention.
[0009] Figure 3 This is a schematic diagram of the connection mechanism of a mining crusher.
[0010] Figure 4 This is a schematic diagram showing the usage state of a welding fixture for the connection mechanism of a mining crusher according to the present invention. Detailed Implementation
[0011] The present invention will be further described below with reference to embodiments, but the present invention is not limited to these embodiments. Any similar variations using the present invention should be included within the protection scope of the present invention. The use of directional terms such as up, down, front, back, left, right, middle, inside, and outside in the present invention is only for the convenience of clear description and is not intended to limit the technical solution of the present invention.
[0012] like Figures 1-4As shown, this utility model provides a welding fixture for the connecting mechanism of a mining crusher, including a base 1. A first positioning post 2 is fixedly mounted on the base 1. Two pads 3 are fixedly mounted on the base 1 to the right of the first positioning post 2. The two pads 3 are spaced apart along the width direction of the base 1. A first pad strip 4 is fixedly mounted on the base 1 to the right of the pads 3. The first pad strip 4 is parallel to the width direction of the base 1. Two first L-shaped positioning strips 5 are fixedly mounted on the base 1 to the right of the first pad strip 4. The two first L-shaped positioning strips 5 are arranged facing each other and their length direction is parallel to the width direction of the base 1. The short side of the first L-shaped positioning strip 5 is set upward and perpendicular to the base 1. A first L-shaped positioning strip 5 is fixedly mounted on the base 1 to the right of each of the first L-shaped positioning strips 5. Two L-shaped positioning strips 6 are arranged, with their length parallel to the length of the base 1. The shorter side of the second L-shaped positioning strip 6 is upward and perpendicular to the base 1. Two second positioning posts 7 are fixedly arranged on the base 1 between the second L-shaped positioning strips 6, spaced apart along the width of the base 1. A second pad 8 is arranged on the base 1 to the right of the second positioning posts 7, with its length parallel to the width of the base 1. Two fixing posts 9 are fixedly arranged on the base 1 to the right of the second pad 8, spaced apart along the width of the base 1. Each fixing post 9 has a first transverse positioning rod 10 fixedly connected to its upper end, with the two first transverse positioning rods 10 facing each other. Each of the fixed columns 9 has a first clamping and fixing mechanism 11 on its right side. A third pad 12 is fixedly placed on the base 1 between the first clamping and fixing mechanisms 11. Two T-shaped support plates 13 are placed above the third pad 12. The T-shaped support plates 13 cooperate with the workpiece to support its inner wall. The two T-shaped support plates 13 are spaced apart along the length of the base 1. A fourth pad 14 is fixedly placed on the base 1 to the right of the third pad 12. Two second clamping and fixing mechanisms 15 are placed on the base 1 to the right of the fourth pad 14. The two second clamping and fixing mechanisms 15 are spaced apart along the width of the base 1. Two third positioning columns 16 are placed on the base 1 between the two second clamping and fixing mechanisms 15. Positioning posts 16 are spaced apart along the width direction of the base 1. Two bottom support plates 17 are fixedly installed on the base 1 between the two third positioning posts 16. The two bottom support plates 17 are perpendicular to the base 1 and spaced apart along the width direction of the base 1. A first support strip 18 and a second support strip 19 are installed above the bottom support plates 17. The first support strip 18 and the second support strip 19 cooperate with the workpiece to support the inner wall of the workpiece. The first support strip 18 and the second support strip 19 are parallel to the width direction of the base 1. The second support strip 19 is located to the upper right of the first support strip 18. A fourth positioning post 20 is fixedly installed on the base 1 to the right of each of the bottom support plates 17. The two fourth positioning posts 20 are spaced apart along the width direction of the base 1.A second transverse positioning rod 21 connects the upper ends of the two fourth positioning posts 20, and a fifth positioning post 22 is fixedly installed on the base 1 between the two fourth positioning posts 20.
[0013] Furthermore, the first clamping and fixing mechanism 11 and the second clamping and fixing mechanism 15 each include a mounting post 23. A rotating rod 24 is rotatably connected to the upper end of the mounting post 23. A threaded hole is provided at the end of the rotating rod 24, and a screw 25 is threadedly connected to the threaded hole. A pressure block 26 is connected to the lower end of the screw 25. The rotating rod 24 can adjust the horizontal position of the pressure block 26, and the screw 25 can adjust the height of the pressure block 26.
[0014] The working principle of this utility model:
[0015] like Figure 3 The image shows the connecting mechanism of a mining crusher to be assembled and welded. In use, as follows... Figure 1 and Figure 4 As shown, the bottom of workpiece 27 is supported by a first pad 3, a first pad 4, a first L-shaped positioning strip 5, a second L-shaped positioning strip 6, a second pad 8, a third pad 12, a fourth pad 14, and a bottom support plate 17. The positioning hole at the left end of workpiece 27 is positioned by a first positioning pin 2, the positioning hole at the left side of the middle of workpiece 27 is positioned by a second positioning pin 7, the positioning holes on the front and rear sides of workpiece 27 are positioned by a first transverse positioning rod 10, the front and rear sides of the right side of workpiece 27 are positioned by two third positioning pins 16, and the vertical positioning hole at the right end of workpiece 27 is... The gap of the ear plate is positioned by the fourth positioning post 20, the positioning hole of the vertical ear plate is positioned by the second horizontal positioning rod 21, the positioning hole of the horizontal ear plate at the right end of the workpiece 27 is positioned by the fifth positioning post 22, and the workpiece 27 is pressed and fixed by the first pressing and fixing mechanism 11 and the second pressing and fixing mechanism 15. Then, the T-shaped support plate 13 is placed into the rectangular hole in the middle of the workpiece 27 to support its inner wall, and the first support strip 18 and the second support strip 19 are placed into the irregular hole on the right side of the workpiece 27 to support its inner wall, thereby completing the positioning and fixing of the workpiece 27.
[0016] This utility model uses various pads 3, pads, positioning columns, transverse positioning rods, and clamping and fixing mechanisms to effectively position and fix the workpiece 27 of the connecting mechanism of the mining crusher. This not only eliminates the need to consider the relationship between dimensions during manual assembly, but also reduces deformation during welding, thereby greatly reducing processing difficulty, improving welding efficiency and quality, and making operation convenient and reducing the intensity of manual labor.
Claims
1. A welding fixture for the connecting mechanism of a mining crusher, characterized in that, The system includes a base, on which a first positioning post is fixedly mounted. Two pads are fixedly mounted on the base to the right of the first positioning post, spaced apart along the width of the base. A first pad strip is fixedly mounted on the base to the right of the pads, parallel to the width of the base. Two first L-shaped positioning strips are fixedly mounted on the base to the right of the first pad strips, facing each other with their length parallel to the width of the base. The shorter sides of the first L-shaped positioning strips face upwards and are perpendicular to the base. A second L-shaped positioning strip is fixedly mounted on the base to the right of each of the first L-shaped positioning strips. The length of the positioning strip is parallel to the length of the base. The short side of the second L-shaped positioning strip is upward and perpendicular to the base. Two second positioning posts are fixedly installed on the base between the second L-shaped positioning strips, spaced apart along the width of the base. A second pad is installed on the base to the right of the second positioning posts, with its length parallel to the width of the base. Two fixing posts are fixedly installed on the base to the right of the second pad, spaced apart along the width of the base. Each fixing post has a first transverse positioning rod fixedly connected to its upper end, with the two first transverse positioning rods facing each other. Each fixed post has a first clamping and fixing mechanism on its right side. A third pad is fixedly placed on the base between the first clamping and fixing mechanisms. Two T-shaped support plates are placed above the third pads, spaced apart along the length of the base. A fourth pad is fixedly placed on the base to the right of the third pads. Two second clamping and fixing mechanisms are placed on the base to the right of the fourth pads, spaced apart along the width of the base. Two third positioning posts are placed on the base between the two second clamping and fixing mechanisms, spaced apart along the width of the base. Two bottom support plates are fixedly installed between the two third positioning posts. The two bottom support plates are perpendicular to the base and spaced apart along the width direction of the base. A first support bar and a second support bar are installed above the bottom support plates. The first support bar and the second support bar are parallel to the width direction of the base. The second support bar is located to the upper right of the first support bar. A fourth positioning post is fixedly installed on the base to the right of each of the bottom support plates. The two fourth positioning posts are spaced apart along the width direction of the base. A second transverse positioning rod is connected between the upper ends of the two fourth positioning posts. A fifth positioning post is fixedly installed on the base between the two fourth positioning posts.
2. The welding fixture for the connecting mechanism of a mining crusher according to claim 1, characterized in that, The first and second clamping and fixing mechanisms each include a mounting column, a rotating rod rotatably connected to the upper end of the mounting column, a threaded hole at the end of the rotating rod, a screw threaded into the threaded hole, and a pressure block connected to the lower end of the screw.