Welding fixture for shock absorber spring plate

Abstract

The utility model discloses a welding frock of shock absorber spring disc, including work table, be equipped with positioning hole on the work table, the work table below is equipped with the support block of liftable, and the support block is located just below the positioning hole, and with positioning hole constitutes the oil storage cylinder positioning groove, the work table top is equipped with the positioning chassis, is equipped with the first through -hole with the opposite position of positioning hole on the positioning chassis, be equipped with a plurality of vertical support rod of setting on the positioning chassis. The utility model discloses according to the position of different shock absorber spring disc, prepares different types of positioning chassis, utilizes the liftable support block to adjust the height of oil storage cylinder to adapt to the installation demand of different types of spring disc, and the versatility is strong.

Description

Technical Field

[0001] This utility model relates to the field of shock absorber technology, and in particular to welding fixtures for shock absorber spring discs. Background Technology

[0002] Shock absorbers are used to suppress the oscillations caused by the rebound of springs after absorbing shocks, as well as impacts from the road surface. They are widely used in automobiles to accelerate the attenuation of vibrations in the chassis and body, thereby improving the ride comfort of the vehicle. When driving over uneven roads, although the shock-absorbing springs can filter out road vibrations, the springs themselves will still have reciprocating motion. Shock absorbers are used to suppress this spring bounce.

[0003] Currently, the spring disc of the shock absorber is fixed to the outer wall of the oil reservoir by welding, forming a single unit that improves tensile strength. During welding, the positions of the spring disc and oil reservoir are typically fixed first, aligned, and then tack welded before being fully welded at the welding station. The positions of the spring disc and oil reservoir differ between shock absorber specifications, and existing spring disc welding positioning fixtures mostly only match a single specification of spring disc, resulting in low versatility and requiring different specifications of positioning fixtures, thus increasing assembly costs.

[0004] CN221603650U discloses a welding fixture for a shock absorber spring disc, including a base, a mounting plate on the base, an oil reservoir positioning groove in the center of the mounting plate, and several elongated slots on the outer side of the oil reservoir positioning groove, the slots being radiating outwards. A positioning screw is installed within each of the elongated slots, inserted into the slot and locked in place by a nut. This device sets the spring disc's positioning rod as a screw structure, allowing adjustment and locking of the positioning screw's height via a nut. The elongated slots on the base allow adjustment of the positioning screw's locking position, enabling it to adapt to the installation requirements of different types of spring discs. However, each replacement requires constant adjustment according to different shock absorber specifications, which is inconvenient. Utility Model Content

[0005] To address the aforementioned problems, this utility model provides a welding fixture for a shock absorber spring disc, which allows for rapid positioning of shock absorbers of different specifications by changing the chassis.

[0006] Therefore, the technical solution of this utility model is: a welding fixture for a shock absorber spring disc, including a worktable with a positioning hole; a liftable support block is provided below the worktable, the support block is located directly below the positioning hole, and forms an oil reservoir positioning groove with the positioning hole; a positioning base is provided above the worktable, and a first through hole is provided on the positioning base, which is opposite to the position of the positioning hole; and multiple vertically arranged support rods are provided on the positioning base.

[0007] Based on the above scheme and as a preferred embodiment of the above scheme: the workbench is provided with positioning pin holes, and positioning pins are fixed on the positioning base plate, which work in conjunction with the positioning pin holes.

[0008] Based on the above scheme and as a preferred embodiment of the above scheme: the positioning base is a disc-shaped structure, and the first through hole is an eccentric hole on the positioning base; the positioning base is provided with four support rods of different heights, and the support rods are arranged around the first through hole.

[0009] Based on the above scheme and as a preferred embodiment: an adjustment mechanism is provided below the workbench. The adjustment mechanism includes a mounting plate, an adjustment plate, a connecting rod, and an adjustment screw. The mounting plate is fixed below the workbench, and the mounting plate and the adjustment plate are connected by the connecting rod. The mounting plate has a second through hole in the middle for the oil storage cylinder to pass through. The adjustment plate has a threaded hole in the middle, and the adjustment screw passes through the threaded hole. A support block is fixed at the top, and an adjustment handle is provided at the bottom. The adjustment handle drives the adjustment screw to rotate, thereby adjusting the height of the support block.

[0010] Based on the above scheme and as a preferred embodiment of the above scheme: the workbench is also provided with an orientation reference component, which consists of a mounting block, a vertical pole and a horizontal bar; the mounting block is provided with a long slot hole, which is fixed to the workbench by bolts, the bottom of the vertical pole is fixedly connected to the mounting block, and the horizontal bar is installed on the vertical pole.

[0011] Based on the above scheme and as a preferred embodiment of the above scheme: the upright and the horizontal bar are connected by a connector, which includes two sleeves that are perpendicular to each other. The upright and the horizontal bar are respectively inserted into the two sleeves and fixed by fastening bolts.

[0012] When using: Select a suitable positioning chassis according to the specifications of the shock absorber, and fix the positioning chassis to the workbench with positioning pins; Next, the position of the support block needs to be adjusted: First, insert the bottom of the oil reservoir of the shock absorber standard part into the first through hole in the middle of the positioning base. At this time, the position of the spring plate is fixed. Then, adjust the height of the support block by rotating the adjusting screw through the adjusting handle so that the support block abuts against the bottom of the oil reservoir. Finally, remove the shock absorber standard part.

[0013] 3) During welding: Place the spring disc on the outside of the oil reservoir, then place the oil reservoir vertically and insert it into the first through hole and positioning hole, abutting against the support block. The position of the spring disc is restricted by the support rod on the positioning base plate. At this time, the position of the spring disc and the oil reservoir is determined. Use a welding gun to spot weld and fix the spring disc and the oil reservoir at the junction, and then put it into the welding machine for full welding.

[0014] In addition, there are range limitations between some oil reservoirs and spring discs. Therefore, when the standard shock absorber parts abut against the support blocks, the position of the crossbar on the orientation reference parts is adjusted. The crossbar is used to determine the orientation of the oil reservoir. For example, the oil reservoir has an end face that can be made to fit the crossbar. During the subsequent spot welding process, when all oil reservoirs are placed, the end face should also fit the crossbar to ensure that the orientation between the oil reservoir and the spring disc is consistent with the standard parts.

[0015] Compared with the prior art, the beneficial effects of this utility model are: Different types of positioning chassis are prepared according to the position of the spring disc on different shock absorbers. The height of the oil reservoir is adjusted by using liftable support blocks to adapt to the installation requirements of different types of spring discs, which is highly versatile. An orientation reference component is set on the workbench to limit the orientation of the oil reservoir, ensuring that there is no misalignment between the oil reservoir and the spring disc, ensuring welding quality, and only the positioning chassis needs to be replaced. This is low-cost, easy to replace, and thus improves welding efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a cross-sectional view of the structure of this utility model; Figure 3 This is a schematic diagram of the structure of the workbench of this utility model; Figure 4 This is a schematic diagram of the positioning chassis of this utility model; Figure 5 This is a schematic diagram illustrating the use of this utility model.

[0017] The components are marked as follows: workbench 1, positioning hole 11, positioning pin hole 12, positioning base 2, first through hole 21, positioning pin 22, support rod 23, support block 3, adjusting mechanism 4, mounting plate 41, second through hole 411, adjusting plate 42, threaded hole 421, connecting rod 43, adjusting screw 44, adjusting handle 45, orientation reference component 5, mounting block 51, upright 52, crossbar 53, long slot hole 54, connecting component 55, fastening bolt 56, oil reservoir 61, spring plate 62. Detailed Implementation

[0018] In the description of this utility model, it should be noted that the directional terms such as "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.

[0019] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. Thus, the use of "first" and "second" to define a feature may explicitly or implicitly include one or more of that feature. In the description of this utility model, "several" or "a number" means two or more, unless otherwise explicitly specified.

[0020] See the attached drawings. The welding fixture for the shock absorber spring disc described in this embodiment includes a worktable 1, on which a through positioning hole 11 is provided, and positioning pin holes 12 are provided on both sides of the positioning hole 11.

[0021] A positioning base 2 is provided above the workbench 1. The positioning base 2 has a disc-shaped structure and a first through hole 21 opposite to the positioning hole 11. The first through hole 21 is an eccentric hole on the positioning base 2. Positioning pins 22 are provided below the positioning base 2, located on both sides of the first through hole 21. The positioning base 2 has four support rods 23 of different heights, which are arranged around the first through hole 21 and are vertically positioned to support the spring plate 62. In use, the positioning pins 22 of the positioning base 2 can be inserted into the positioning pin holes 12 on the workbench 1 to define the position of the positioning base 2.

[0022] Below the workbench 1 is a height-adjustable support block 3 and an adjustment mechanism 4. The adjustment mechanism 4 includes a mounting plate 41, an adjustment plate 42, a connecting rod 43, and an adjustment screw 44. The mounting plate 41 is fixed below the workbench 1, and the mounting plate 41 and the adjustment plate 42 are connected by the connecting rod 43. The mounting plate 41 has a second through hole 411 in the middle for the oil reservoir to pass through, and the adjustment plate 42 has a threaded hole 421 in the middle (or a bushing with a threaded hole is installed). The adjustment screw 44 passes through the threaded hole, the support block 3 is fixed at the top, and an adjustment handle 45 is provided at the bottom. The adjustment handle 45 drives the adjustment screw 44 to rotate, adjusting the height of the support block 3. The support block 3 is located directly below the positioning hole 11 and forms an oil reservoir positioning groove with the positioning hole 11, thereby limiting the height of the oil reservoir 61.

[0023] The workbench 1 is also equipped with an orientation reference component 5, which consists of a mounting block 51, a vertical rod 52, and a horizontal rod 53. The mounting block 51 has an elongated slot 54 and is fixed to the workbench 1 by bolts. The bottom of the vertical rod 52 is fixedly connected to the mounting block 51, and the horizontal rod 53 is mounted on the vertical rod 52. The vertical rod 52 and the horizontal rod 53 are connected by a connector 55, which includes two mutually perpendicular sleeves. The vertical rod 52 and the horizontal rod 53 are respectively inserted into the two sleeves and fixed by fastening bolts 56.

[0024] When using: Select a suitable positioning base 2 according to the specifications of the shock absorber, install the positioning base 2 on the workbench 1, and insert the positioning pin 22 into the positioning pin hole 12. Next, the position of the support block 3 needs to be adjusted: First, insert the bottom of the oil reservoir 61 of the shock absorber standard part into the first through hole 21 in the middle of the positioning base plate 2. At this time, the position of the spring plate 62 is fixed; then, adjust the height of the support block 3 by rotating the adjusting screw 44 through the adjusting handle 45 so that the support block 3 abuts against the bottom of the oil reservoir 61. In addition, there are range limitations between some oil reservoirs 61 and spring discs 62. Therefore, when the shock absorber standard parts abut against the support block 3, the position of the crossbar 53 on the orientation reference part 5 is adjusted. The crossbar 53 is used to determine the orientation of the oil reservoir 61. For example, the oil reservoir 61 has an end face 63, which can be made to fit the crossbar 53. During the subsequent spot welding process, when all the oil reservoirs 61 are placed, the end face 63 also fits the crossbar 53 to ensure that the orientation between the oil reservoir 61 and the spring disc 62 is consistent with the standard parts. Finally, the shock absorber standard parts are removed.

[0025] 3) During welding: The spring disc 62 is fitted onto the outside of the oil reservoir 61, and the oil reservoir 61 is then placed vertically and inserted into the first through hole 21 and the positioning hole 11, abutting against the support block 3. The position of the spring disc 62 is restricted by the support rod 23 on the positioning base plate 2. At this time, the positions of the spring disc 62 and the oil reservoir 61 are determined. The welding gun is used to spot weld and fix the spring disc 62 and the oil reservoir 61 at the junction, and then the whole thing is placed in the welding machine for full welding.

[0026] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A welding fixture for a shock absorber spring disc, including a worktable, characterized in that: The workbench is provided with positioning holes; a liftable support block is provided below the workbench, the support block is located directly below the positioning holes, and together with the positioning holes, forms an oil reservoir positioning groove; a positioning base is provided above the workbench, and the positioning base has a first through hole corresponding to the position of the positioning holes; multiple vertically arranged support rods are provided on the positioning base; a positioning pin hole is provided on the workbench, and a positioning pin is fixed on the positioning base, which works in conjunction with the positioning pin hole; the positioning base has a disc-shaped structure, and the first through hole is an eccentric hole on the positioning base; four support rods of different heights are provided on the positioning base, and the support rods are arranged around the first through hole.

2. The welding fixture for the shock absorber spring disc as described in claim 1, characterized in that: An adjustment mechanism is provided below the workbench. The adjustment mechanism includes a mounting plate, an adjustment plate, a connecting rod, and an adjustment screw. The mounting plate is fixed below the workbench, and the mounting plate and the adjustment plate are connected by the connecting rod. The mounting plate has a second through hole in the middle for the oil storage cylinder to pass through, and the adjustment plate has a threaded hole in the middle. The adjustment screw passes through the threaded hole, a support block is fixed at the top, and an adjustment handle is provided at the bottom. The adjustment handle drives the adjustment screw to rotate, thereby adjusting the height of the support block.

3. The welding fixture for the shock absorber spring disc as described in claim 1, characterized in that: The workbench is also equipped with an orientation reference component, which consists of a mounting block, a vertical pole, and a horizontal bar. The mounting block has a long slot hole and is fixed to the workbench by bolts. The bottom of the vertical pole is fixedly connected to the mounting block, and the horizontal bar is installed on the vertical pole.

4. The welding fixture for the shock absorber spring disc as described in claim 3, characterized in that: The upright and the crossbar are connected by a connector, which includes two sleeves that are perpendicular to each other. The upright and the crossbar are respectively inserted into the two sleeves and fixed by fastening bolts.

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