Fork welding anti-deformation device
By designing a welding reverse deformation device that matches the reference parts and the compression block, the problem of change in the open shift size after the fork welding is solved, automatic positioning and compression are achieved, and production efficiency and product quality are improved.
Patent Information
- Application Number
- CN202422096637.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-28
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-08-28
AI Technical Summary
The opening dimensions of the fork products are changed due to thermal deformation during welding, resulting in the product being unable to assemble or the torque of the tightening screws declines. The existing technology requires post-cooling and plasticizing to increase equipment and labor costs.
A welding reverse deformation device including a reference piece and a pressing block is designed. Through the cooperation of the reference piece and the pressing block, the open-shift before the joint is tightened, and expanded to a qualified size after welding. Automatic positioning and compression are achieved using the pre-positioning of the magnetic block, V-shaped block positioning mechanism and cylinder driving.
Automatic adjustment of the open gear size during the fork welding process is achieved, avoiding the post-cooling shaping step, and improving production efficiency and product quality stability.
Smart Images
Figure CN223114471U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of welding tooling, in particular to an anti-deformation device for knuckle welding. Background Art
[0002] The opening size of knuckle products is a key dimension affecting product quality. If the opening is too small, the product cannot be assembled; if the opening is too large, the tightening torque of the screw will decline. When welding knuckles with shaft tube parts such as the outer cylinder of shock absorbers, due to thermal deformation, regardless of the thickness of the product, the opening size of the knuckle will become larger relative to the raw material. The conventional process is to shape the knuckle after complete cooling, which requires investment in equipment, personnel, and man-hours to meet this process. Summary of the Invention
[0003] In order to overcome the deficiencies of the prior art, the utility model provides an anti-deformation device for knuckle welding.
[0004] To achieve the above object, an anti-deformation device for knuckle welding is designed, which includes a reference part and at least two pressing blocks. The reference part is used for positioning the opening width of the knuckle, and the pressing blocks are driven by a first driving device and are used to press both sides of the knuckle against both sides of the reference part. An axis tube positioning mechanism is arranged below the device.
[0005] The reference part includes an intermediate block and opening blocks. The opening blocks are arranged on both sides of the intermediate block, and adjustment shims are arranged between the opening blocks and the intermediate block.
[0006] Backing blocks are arranged at the rear parts of both sides of the reference part, and the backing blocks are used for positioning the rear side of the knuckle. A rotary pressing cylinder is arranged above the device, and the rotary pressing cylinder is connected with a pressing plate, and the pressing plate is used to press the knuckle against the backing blocks from the front side.
[0007] The first driving device is a clamping cylinder.
[0008] A magnetic adsorption block is installed above the reference part, and the magnetic adsorption block is used for adsorbing the top end of the knuckle.
[0009] The magnetic adsorption block is installed above the reference part through screws, and a gap is left between the screw head and the magnetic adsorption block.
[0010] The axis tube positioning mechanism includes two V-shaped blocks, and the V-shaped blocks are driven by a second driving device to clamp the axis tube.
[0011] The second driving device is a clamping cylinder.
[0012] Compared with the prior art, the utility model presses and reduces the pre-welding opening of the knuckle through the cooperation of the reference part and the pressing blocks, realizes the anti-deformation of knuckle welding, and expands to the qualified size after welding, without the need for further shaping. Brief Description of the Drawings
[0013] Figure 1 This is a schematic diagram of the present utility model.
[0014] Figure 2 This is an enlarged schematic diagram of the present utility model.
[0015] Refer to Figure 1 - Figure 2 , where 1 is the reference part, 1-1 is the intermediate block, 1-2 is the open slot block, 1-3 is the adjusting shim, 1-4 is the backing block, 2 is the pressing block, 3 is the first driving device, 4 is the rotating pressing cylinder, 5 is the pressing plate, 6 is the magnetic attraction block, 7 is the screw, 8 is the V-block, 9 is the second driving device, 10 is the joint fork, 11 is the shaft tube, and 12 is the welding torch. Specific embodiments
[0016] The following further describes the present utility model with reference to the accompanying drawings.
[0017] As Figure 1 - 2 shown, the reference part 1 is used for positioning the open slot width of the joint fork 10. The pressing block 2 is driven by the first driving device 3 and is used to press both sides of the joint fork 10 against both sides of the reference part 1. An axle tube positioning mechanism is provided below the device. The first driving device 3 drives the pressing block 2 to press both sides of the joint fork 10 against the reference part 1. The reference part 1 limits the open slot width of the joint fork 10, reducing the open slot before welding of the joint fork 10. The axle tube positioning mechanism is used to fix the welding of the axle tube 11 and the joint fork 10. After the welding is completed, the open slot of the joint fork 10 expands to the qualified size. The first driving device 3 can be a device such as an electric cylinder, a hydraulic cylinder, or a pneumatic cylinder, as long as it can meet the pressure requirement of the joint fork 10.
[0018] The reference part 1 includes the intermediate block 1-1 and the open slot block 1-2. The open slot block 1-2 is arranged on both sides of the intermediate block 1-1. An adjusting shim 1-3 is arranged between the open slot block 1-2 and the intermediate block 1-1. The open slot block 1-2 serves as a hard limit for pressing the joint fork 10, and its width can be adjusted by the adjusting shim 5, facilitating flexible adjustment of the open slot size.
[0019] Backing blocks 1-4 are arranged at the rear parts of both sides of the reference part 1. The backing blocks 1-4 are used for positioning the rear side of the joint fork 10. A rotating pressing cylinder 4 is arranged above the device. The rotating pressing cylinder 4 is connected to the pressing plate 5, and the pressing plate 5 is used to press the joint fork 10 against the backing blocks 1-4 from the front side.
[0020] The first driving device 3 is a clamping cylinder. The clamping cylinder can make the two pressing blocks 2 act synchronously to press the joint fork 10. An appropriate cylinder diameter can be selected according to needs to generate sufficient pressure to press the joint fork 10. The first driving device 3 can be arranged at the rear side of the reference part 1.
[0021] Above the reference piece 1, a magnetic attraction block 6 is installed, and the magnetic attraction block 6 is used to adsorb the top end of the joint fork 10. Using the magnetic attraction block 6 can pre-position the joint fork 10, prevent the joint fork 10 from falling, and facilitate subsequent clamping.
[0022] The magnetic attraction block 6 is installed above the reference piece 1 through a screw 7, and there is a gap between the screw head and the magnetic attraction block 6. The magnetic attraction block 6 can float within the gap below the screw head to prevent interference with the magnet or breaking the magnet when the joint fork 10 is clamped.
[0023] The shaft tube positioning mechanism includes two V-shaped blocks 8, and the V-shaped blocks 8 are driven by the second driving device 9 to clamp the shaft tube 11. Clamping of the two V-shaped blocks 8 can position the center of the shaft tube 11, ensure the welding position, and can be fed by a manipulator.
[0024] The second driving device 9 is a clamping cylinder. The clamping cylinder can synchronously clamp the shaft tube 11 by the two V-shaped blocks 9.
[0025] When the utility model is in use, first use the magnetic attraction block 6 to suck the top end of the joint fork 10 for pre-positioning, and then clamp the shaft tube 11 by the two V-shaped blocks 8 of the shaft tube positioning mechanism. The top of the shaft tube 11 abuts against the joint fork 10, and the magnetic attraction block 6 can float upward. Then rotate the pressing cylinder 4 to drive the pressing plate 5 to press the front side of the joint fork 10, so that the rear side of the joint fork 10 abuts against the backing block 1-4 for positioning. The first driving device 3 drives the pressing block 2 to press the joint fork 10 from both sides, so that the joint fork 10 abuts against both sides of the reference piece 1, and then the welding torch 12 welds between the joint fork 10 and the shaft tube 11. After welding, the opening of the joint fork 10 is expanded to the qualified size, and no further shaping is required.
Claims
1. A welding anti-deformation device for a joint fork, characterized in that: It includes a reference part (1) and at least two pressing blocks (2). The reference part (1) is used for positioning the opening width of the joint fork (10). The pressing blocks (2) are driven by a first driving device (3) and are used for pressing both sides of the joint fork (10) against both sides of the reference part (1). There is a shaft tube positioning mechanism below the device.
2. The fork welding anti-deformation device according to claim 1, characterized in that: The reference part (1) includes an intermediate block (1-1) and opening blocks (1-2). The opening blocks (1-2) are arranged on both sides of the intermediate block (1-1). Adjusting gaskets (1-3) are arranged between the opening blocks (1-2) and the intermediate block (1-1).
3. The anti-deformation device for fork welding according to claim 1, wherein: Backing blocks (1-4) are arranged at the rear parts of both sides of the reference part (1). The backing blocks (1-4) are used for positioning the rear side of the joint fork (10). A rotary pressing air cylinder (4) is arranged above the device. The rotary pressing air cylinder (4) is connected to a pressing plate (5). The pressing plate (5) is used for pressing the joint fork (10) against the backing blocks (1-4) from the front side.
4. The fork welding anti-deformation device according to claim 1, wherein: The first driving device (3) is a clamping air cylinder.
5. The fork welding anti-deformation device according to claim 1, wherein: A magnetic adsorption block (6) is installed above the reference part (1). The magnetic adsorption block (6) is used for adsorbing the top end of the joint fork (10).
6. The fork welding anti-deformation device according to claim 5, characterized in that: The magnetic adsorption block (6) is installed above the reference part (1) through screws (7). There is a gap between the screw heads and the magnetic adsorption block (6).
7. The fork welding anti-deformation device according to claim 1, characterized in that: The shaft tube positioning mechanism includes two V-shaped blocks (8). The V-shaped blocks (8) are driven by a second driving device (9) to clamp the shaft tube (11).
8. The fork welding anti-deformation device according to claim 7, characterized in that: The second driving device (9) is a clamping air cylinder.