Welding, positioning and clamping mechanism for control arm mounting bracket

By designing the positioning and clamping mechanism of the control arm mounting bracket, the problem of mechanism interference during the welding of the five-link rear suspension is solved, and the accurate positioning and clamping of the welded parts is achieved, which improves production efficiency and reduces costs.

CN222199441UActive Publication Date: 2024-12-20WUHU ZHONGLI CHASSIS SYST
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Patent Information

Application Number
CN202420980567.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-08
Publication Date
2024-12-20
Estimated Expiration
2034-05-08

AI Technical Summary

Technical Problem

In the prior art During the welding process of the subframe of the five-link rear suspension, the independent flip-up and compression mechanism interferes with the side bracket fixture mechanism, resulting in inconvenient welding and clamping of the sample, difficulty in dimensional adjustment, and affecting production efficiency and cost.

Method used

A control arm mounting bracket welding positioning clamping mechanism is designed, including positioning components and clamping components. The rotation of the clamping block and the positioning pin is driven by the cylinder to achieve accurate positioning and clamping of the welded parts, and the adjustment gasket and pin are used. The structure avoids interference and simplifies installation and adjustment.

Benefits of technology

The non-interference welding clamping is achieved, the clamping process is simplified, the dimensional accuracy of the welded parts is ensured, the production efficiency is improved and the production and maintenance costs are reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a control arm installation support welding positioning and clamping mechanism which comprises an installation support, a positioning assembly and a clamping assembly are respectively installed on the installation support, the positioning assembly comprises a positioning pin base fixed on the installation support, and a positioning pin is installed on the side face of the positioning pin base. The clamping assembly comprises an air cylinder, an air cylinder connecting block, a base block, an actuating connecting block, a clamping connecting block and a clamping block. A welding piece is arranged on the positioning pin in a sleeving mode, the air cylinder drives the clamping connecting block to rotate, and the clamping block clamps the welding piece located on the positioning pin. The clamping device has the advantages of few accessories, small occupied space, sufficient clamping force, small stroke, no interference with the movement of a nearby mechanism, convenience in adjustment and simplicity in clamping, the size of a welded sample piece is ensured, the production efficiency is improved, and the production cost and the after-sales maintenance cost are saved.
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Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary frame welding fixtures, in particular to a control arm mounting bracket welding positioning clamping mechanism. Background Art

[0002] Nowadays, in order to meet the needs of customers for vehicle smoothness and comfort, more and more models are using five-link rear suspension. Due to the proportion of consumer groups, most models use steel welded subframes, and the five-link mounting points are arranged on the subframes. Double-piece brackets are usually used for welding and installation. However, based on the structural space layout, the independent flip clamping mechanism will interfere with the clamp mechanism of the adjacent bracket, making it inconvenient to weld and clamp the sample parts, and inconvenient to adjust the size, which affects production efficiency and production costs. Utility Model Content

[0003] The utility model aims to make up for the defects of the prior art and provides a control arm mounting bracket welding positioning clamping mechanism.

[0004] The utility model is realized by the following technical solutions:

[0005] A control arm mounting bracket welding positioning clamping mechanism comprises a mounting bracket, on which a positioning assembly and a clamping assembly are respectively mounted, the positioning assembly comprises a positioning pin base fixed on the mounting bracket, and a positioning pin is mounted on the side of the positioning pin base; the clamping assembly comprises a cylinder, a cylinder connecting block, a base block, an actuating connecting block, a clamping connecting block and a clamping block, the base block is fixed on the mounting bracket, the cylinder connecting block is fixed on the side of the base block, the cylinder is fixed at one end of the cylinder connecting block, the moving rod of the cylinder passes through the end of the cylinder connecting block and is connected to the actuating connecting block, a groove is provided on the side of the cylinder connecting block, and the The front end of the clamping connection block is located in the groove of the cylinder connection block, and rotating pins are fixed on the outer sides of both sides of the front end of the clamping connection block. The front end of the clamping connection block is rotatably connected to the cylinder connection block through the rotating pin. A U-shaped groove is provided at the front end of the clamping connection block, and the actuating connection block is located in the U-shaped groove. Actuating connection block pins are respectively fixed on two opposite sides of the actuating connection block. Oblique grooves are respectively opened on the two side walls of the U-shaped groove of the clamping connection block. The two actuating connection block pins are inserted into the oblique grooves, and the clamping block is fixed at the rear end of the clamping connection block; the welding piece is put on the positioning pin, and the cylinder drives the clamping connection block to rotate so that the clamping block clamps the welding piece located on the positioning pin.

[0006] The positioning assembly also includes an L block. The L block and the positioning pin base are both fixed on the mounting bracket, and an adjusting gasket is provided between the positioning pin base and the L block.

[0007] A positioning pin gasket is provided between the positioning pin and the positioning pin base.

[0008] The mounting bracket includes a support seat, a horizontal mounting plate is fixed on the upper end of the support seat, a vertical mounting plate is fixed on one end of the horizontal mounting plate, the base block is fixed on the horizontal mounting plate, and the L block and positioning pin base are both fixed on the side of the vertical mounting plate.

[0009] A clamping block gasket is arranged between the clamping connection block and the clamping block, and a positioning pin avoidance groove is opened on the clamping block.

[0010] A protective plate is installed on the cylinder connection block at the outer side of the actuating connection block.

[0011] The advantages of the utility model are: the utility model has fewer accessories, occupies a small space, has sufficient clamping force, a small stroke, does not interfere with the movement of the adjacent mechanisms, is easy to adjust, and is simple to clamp, thus ensuring the size of the sample after welding, improving production efficiency, and saving production costs and after-sales maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of the positioning component of the utility model;

[0014] Figure 3 This is a schematic diagram of the structure of the clamping assembly of the utility model;

[0015] Figure 4 This is a schematic diagram of the connection between the clamping connection block and the actuating connection block of the utility model;

[0016] Figure 5 This is a schematic diagram of the mounting bracket structure of the utility model;

[0017] Figure 6 This is a schematic diagram of the structure of the welding part of the utility model. DETAILED DESCRIPTION

[0018] like Figure 1-4As shown, a control arm mounting bracket welding positioning clamping mechanism includes a mounting bracket 4, on which a positioning assembly 2 and a clamping assembly 3 are respectively installed, the positioning assembly 2 includes a positioning pin base 2-3 fixed on the mounting bracket 4, and a positioning pin 2-1 is installed on the side of the positioning pin base 2-3; the clamping assembly 3 includes a cylinder 3-1, a cylinder connecting block 3-2, a base block 3-3, an actuating connecting block 3-6, a clamping connecting block 3-7 and a clamping block 3-9, the base block 3-3 is fixed on the mounting bracket 4, the cylinder connecting block 3-2 is fixed on the side of the base block 3-3, the cylinder 3-1 is fixed at one end of the cylinder connecting block 3-2, the moving rod of the cylinder 3-1 passes through the end of the cylinder connecting block 3-2 and is connected to the actuating connecting block 3-6, a groove is opened on the side of the cylinder connecting block 3-2, and the front end of the clamping connecting block 3-7 is located The front end of the clamping connection block 3-7 is rotatably connected to the cylinder connection block 3-2 through the rotating pin 3-4. A U-shaped groove is provided at the front end of the clamping connection block 3-7. The actuating connection block 3-6 is located in the U-shaped groove. Actuating connection block pins 3-10 are respectively fixed on two opposite sides of the actuating connection block 3-6. Oblique grooves 3-11 are respectively provided on the two side walls of the U-shaped groove of the clamping connection block 3-7. The two actuating connection block pins 3-10 are inserted into the oblique grooves 3-11. The clamping block 3-9 is fixed at the rear end of the clamping connection block 3-7. The clamping block 3-9 is arranged opposite to the positioning pin 2-1. The welding part 1 is sleeved on the positioning pin 2-1. The cylinder 3-1 drives the clamping connection block 3-7 to rotate, so that the clamping block 3-9 clamps the welding part 1 located on the positioning pin 2-1.

[0019] The positioning assembly 2 also includes an L block 2-5. The L block 2-5 and the positioning pin base 2-3 are fixed on the mounting bracket 4. An adjustment shim 2-4 is provided between the positioning pin base 2-3 and the L block 2-5. The Y-direction and Z-direction positions of the positioning pin base 2-3 can be adjusted by adding or reducing the adjustment shim 2-4. The L block is a right angle, so that the positioning pin base 2-3 is always in a horizontal position without rotation offset.

[0020] A positioning pin gasket 2-2 is provided between the positioning pin 2-1 and the positioning pin base 2-3, and the X-direction position of the positioning pin 2-1 can be adjusted by adding or reducing the positioning pin gasket 2-2.

[0021] like Figure 5As shown, the mounting bracket 4 includes a supporting seat 4-1, a horizontal mounting plate 4-2 is fixed on the upper end of the supporting seat 4-1, a vertical mounting plate 4-3 is fixed on one end of the horizontal mounting plate 4-2, the base block 3-3 is fixed on the horizontal mounting plate 4-2, and the L block 2-5 and the positioning pin base 2-3 are both fixed on the side of the vertical mounting plate 4-3.

[0022] A clamping block gasket 3-8 is provided between the clamping connection block 3-7 and the clamping block 3-9 for adjusting the X-axis position of the clamping block 3-9. A positioning pin avoidance groove is provided on the clamping block 3-9. When clamping, the end of the positioning pin 2-1 is located in the positioning pin avoidance groove, and the clamping block 3-9 presses the weldment 1.

[0023] A protective plate 3-5 is installed on the cylinder connection block 3-2 at the outer side of the actuation connection block 3-6.

[0024] like Figure 6 The figure shows the structure of the weldment 1, which includes a sub-frame longitudinal beam 1-1 and a control arm mounting bracket 1-2. The utility model is used for positioning and clamping the control arm mounting bracket 1-2 when the sub-frame longitudinal beam 1-1 and the control arm mounting bracket 1-2 are welded together. The control arm mounting bracket 1-2 is sleeved on the positioning pin 2-1 through its positioning hole, and the cylinder 3-1 is extended forward to push the clamping connection block 3-7 to rotate around the rotating pin 3-4, thereby driving the clamping block 3-9 to rotate to the position of the positioning pin 2-1. The clamping block 3-9 presses the control arm mounting bracket 1-2 located on the positioning pin 2-1, and the end of the positioning pin 2-1 is located in the positioning pin avoidance groove of the clamping block 3-9. The positioning and clamping of the sub-frame longitudinal beam 1-1 is clamped by other positioning and clamping mechanisms, which is not the content protected by the utility model. After the welding is completed, the cylinder 3-1 is reset, the clamping block 3-9 is loosened, and the weldment 1 is disassembled.

Claims

1. A control arm mounting bracket welding positioning clamping mechanism, characterized in that: The invention comprises a mounting bracket, on which a positioning assembly and a clamping assembly are respectively mounted, the positioning assembly comprises a positioning pin base fixed on the mounting bracket, and a positioning pin is mounted on the side of the positioning pin base; the clamping assembly comprises a cylinder, a cylinder connecting block, a base block, an actuating connecting block, a clamping connecting block and a clamping block, the base block is fixed on the mounting bracket, the cylinder connecting block is fixed on the side of the base block, the cylinder is fixed at one end of the cylinder connecting block, the moving rod of the cylinder passes through the end of the cylinder connecting block and is connected to the actuating connecting block, a groove is opened on the side of the cylinder connecting block, and the front end of the clamping connecting block is In the groove of the cylinder connecting block, rotating pins are fixed on the outer sides of both sides of the front end of the clamping connecting block, and the front end of the clamping connecting block is rotatably connected to the cylinder connecting block through the rotating pin. A U-shaped groove is provided at the front end of the clamping connecting block, and the actuating connecting block is located in the U-shaped groove. Actuating connecting block pins are respectively fixed on two opposite sides of the actuating connecting block. Oblique grooves are respectively opened on the two side walls of the U-shaped groove of the clamping connecting block. The two actuating connecting block pins are inserted into the oblique grooves, and the clamping block is fixed at the rear end of the clamping connecting block; the welding piece is put on the positioning pin, and the cylinder drives the clamping connecting block to rotate so that the clamping block clamps the welding piece located on the positioning pin.

2. A control arm mounting bracket welding positioning clamping mechanism according to claim 1, characterized in that: The positioning assembly also includes an L block. The L block and the positioning pin base are both fixed on the mounting bracket, and an adjusting gasket is provided between the positioning pin base and the L block.

3. A control arm mounting bracket welding positioning clamping mechanism according to claim 2, characterized in that: A positioning pin gasket is provided between the positioning pin and the positioning pin base.

4. A control arm mounting bracket welding positioning clamping mechanism according to claim 2, characterized in that: The mounting bracket includes a support seat, a horizontal mounting plate is fixed on the upper end of the support seat, a vertical mounting plate is fixed on one end of the horizontal mounting plate, the base block is fixed on the horizontal mounting plate, and the L block and positioning pin base are both fixed on the side of the vertical mounting plate.

5. The control arm mounting bracket welding positioning clamping mechanism according to claim 1, characterized in that: A clamping block gasket is arranged between the clamping connection block and the clamping block, and a positioning pin avoidance groove is opened on the clamping block.

6. A control arm mounting bracket welding positioning clamping mechanism according to claim 1, characterized in that: A protective plate is installed on the cylinder connection block at the outer side of the actuating connection block.