CN220547822U - Spot welding device for automobile - Google Patents
Spot welding device for automobile Download PDFInfo
- Publication number
- CN220547822U CN220547822U CN202321822501.9U CN202321822501U CN220547822U CN 220547822 U CN220547822 U CN 220547822U CN 202321822501 U CN202321822501 U CN 202321822501U CN 220547822 U CN220547822 U CN 220547822U
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- plate
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- spot welding
- clamping
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- 238000003466 welding Methods 0.000 title claims abstract description 37
- 238000003825 pressing Methods 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims 1
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Resistance Welding (AREA)
Abstract
The utility model provides a spot welding device for an automobile, which comprises a base, a top plate and a welding gun head; the top plate is provided with a moving block which moves back and forth, and the moving block is connected with the welding gun head through a height adjusting mechanism; the top of the base is provided with a clamping mechanism; the clamping mechanism comprises two clamping pieces; two sliding grooves extending in the left-right direction are oppositely arranged in the base, and a sliding block and a tensioning spring are arranged in each sliding groove; when the sliding block is forced to move outwards, the tensioning spring deforms to generate a reset force for pulling the sliding block inwards; the top of the sliding blocks is provided with a connecting rod, and the connecting rods of the two sliding blocks penetrate through the upper surface of the base and are respectively connected with the two clamping pieces; the clamping piece comprises a horizontal supporting plate and a baffle, and the two baffles are matched and clamped with a workpiece to be welded which is placed on the horizontal supporting plate; the upper part of the inner side of the baffle is provided with a horizontal connecting plate, and a liftable pressing plate is arranged below the horizontal connecting plate; the fixed centre gripping of different thickness, different length spare parts is realized through baffle and clamp plate to this application to avoid the part crooked.
Description
Technical Field
The utility model belongs to the technical field of welding, and particularly relates to a spot welding device for an automobile.
Background
When an automobile part is processed, spot welding operation is sometimes required. However, when the spot welding of the parts is performed, the parts need to be fixed to prevent displacement during the spot welding. However, the existing spot welding fixture usually adopts a fixed design, and the whole fixture needs to be replaced when different parts are welded, so that the cost is high.
The utility model patent with application number 202023148931.6 discloses a spot welding device convenient for clamping automobile doors, which can realize the fixed clamping of automobile parts with different thicknesses by adjusting the distance between an upper pressing plate and a lower pressing plate, but has higher requirements on the placement of the parts and is extremely easy to have the situation of part deflection; in addition, the clamp cannot meet the fixed clamping of parts with different length and size.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a spot welding device for an automobile, which is used for meeting the fixed clamping requirements of automobile parts with different thickness and different length, and avoiding the skew of the parts during clamping.
To achieve the above and other related objects, the present utility model provides a spot welding apparatus for an automobile, comprising a base, a top plate, and a welding gun head; the top plate is fixed above the base through a supporting rod; the bottom of the top plate is provided with a moving block capable of moving back and forth, and the moving block is connected with the welding gun head through a height adjusting mechanism; the top of the base is provided with a clamping mechanism for clamping and fixing a workpiece; the clamping mechanism comprises two clamping pieces, and the two clamping pieces are matched to clamp a workpiece to be welded; two sliding grooves extending in the left-right direction are oppositely formed in the base, and a sliding block and a tensioning spring are arranged in each sliding groove; when the sliding block is forced to move outwards, the tensioning spring deforms to generate a reset force for pulling the sliding block inwards; the top of the sliding blocks is provided with connecting rods, and the connecting rods of the two sliding blocks penetrate through the upper surface of the base and are respectively connected with the two clamping pieces; the clamping piece comprises a horizontal supporting plate and a baffle plate vertically fixed at the outer end of the horizontal supporting plate, and the two baffle plates are matched and clamped with a workpiece to be welded which is placed on the horizontal supporting plate; the upper part of the inner side of the baffle is provided with a horizontal connecting plate, a liftable pressing plate is arranged below the horizontal connecting plate, and the pressing plate compresses a workpiece to be welded on the horizontal supporting plate.
Preferably, a moving groove extending in the front-rear direction is formed in the top plate; the screw rod is rotationally arranged in the moving groove, and a driving piece for driving the screw rod to rotate is arranged at the rear end of the screw rod; the moving block is positioned in the moving groove and is in threaded connection with the screw rod; the bottom of the moving block penetrates through the bottom surface of the top plate and is connected with the height adjusting mechanism.
Preferably, the height adjusting mechanism is an air cylinder, a hydraulic cylinder or an electric push rod.
Preferably, a horizontal guide rod is arranged in the chute, and the sliding block and the tensioning spring are sleeved on the horizontal guide rod.
Preferably, the horizontal connecting plate is connected with a vertical threaded rod in a threaded manner, and the lower end of the vertical threaded rod is connected with the corresponding pressing plate in a rotating manner.
Preferably, a vertical sliding rod capable of sliding up and down is arranged on the horizontal connecting plate, and the lower end of the vertical sliding rod is fixedly connected with the corresponding pressing plate; the vertical slide bar is sleeved with a compression spring, and two ends of the compression spring are respectively abutted with the horizontal connecting plate and the pressing plate.
Preferably, the lower surface of the pressing plate is provided with a buffer protection layer.
Preferably, the bottom of the base is provided with casters with brakes.
According to the utility model, the two clamping pieces are mutually close by utilizing the reset force of the tensioning spring so as to clamp the workpieces on the horizontal supporting plate by utilizing the baffle plate on the clamping pieces, so that the position of the workpieces can be regulated in an auxiliary manner, the distortion condition of the workpieces is avoided, and the clamping limit of the workpieces with different length sizes can be met; meanwhile, workpieces with different thickness sizes are subjected to auxiliary compaction by using a liftable pressing plate, so that the clamping and fixing effects of the workpieces are effectively ensured; the whole clamping process is convenient and quick, and the range of the workable parts is enlarged; in addition, the moving block and the height adjusting device are matched to adjust the thickness-philic position and the height position of the welding gun head, so that the accuracy of the spot welding position is ensured.
Drawings
Fig. 1 is a schematic view of a spot welding apparatus for an automobile according to the present utility model.
Description of the reference numerals
The base 1, the spout 11, the stand 12, the truckle 121, the roof 2, the bracing piece 3, the movable block 4, the lead screw 41, the altitude mixture control mechanism 5, the clamping piece 6, the horizontal layer board 61, the baffle 62, the horizontal connecting plate 621, the vertical threaded rod 622, the clamp plate 7, the horizontal guide bar 81, the slider 82, the tensioning spring 83.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
Please refer to fig. 1. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
Example 1
As shown in fig. 1, the present embodiment provides a spot welding device for an automobile, comprising a base 1, a top plate 2 and a welding gun head 5; wherein, the periphery of the bottom of the base 1 is provided with upright posts 12; the top plate 2 is fixed above the base 1 through a supporting rod 3; a moving groove extending along the front-back direction is formed in the top plate 2, a screw 41 is rotationally arranged in the moving groove, a driving piece for driving the screw 41 to rotate is arranged at the rear end of the screw 41, and the driving piece is a motor or a hand-operated wheel; a movable block 4 which can only move forwards and backwards but cannot rotate is arranged in the movable groove, and the movable block 4 is in threaded connection with the screw 41, so that the movable block 4 can move forwards and backwards when the screw 41 rotates; the bottom of the moving block 4 is provided with a connecting rod, and the connecting rod at the bottom of the moving block 4 penetrates through the bottom surface of the top plate 2 and is connected with a welding gun head 5 below the top plate 2 through a height adjusting mechanism, so as to adjust the front and rear positions and the height positions of the welding gun head 5; the top of the base 1 is provided with a clamping mechanism for clamping and fixing a workpiece; the clamping mechanism comprises two clamping pieces 6; two sliding grooves 11 extending in the left-right direction are oppositely arranged in the base 1, and a sliding block 81 and a tensioning spring 82 are arranged in each sliding groove 11; when the slider 81 is forced to move outward, the tension spring 82 deforms to generate a restoring force that pulls the slider 11 inward; the top of the sliding blocks 82 is provided with connecting rods, and the connecting rods of the two sliding blocks 82 penetrate through the upper surface of the base 1 and are respectively connected with the two clamping pieces 6; the clamping piece 6 comprises a horizontal supporting plate 61 and a baffle plate 62 vertically fixed at the outer end of the horizontal supporting plate 61, and the two baffle plates 62 are matched and clamped with a workpiece to be welded placed on the horizontal supporting plate 61; the upper portion of the inner side of the baffle plate 62 is provided with a horizontal connecting plate 621, a vertical threaded rod 622 is connected to the horizontal connecting plate 621 in a threaded manner, the lower end of the vertical threaded rod 622 is rotationally connected with a pressing plate 7 below the horizontal connecting plate 621 through a bearing, and the height position of the pressing plate 7 is adjusted through screwing the vertical threaded rod 622 so as to compress a workpiece to be welded on the horizontal supporting plate 61.
It is understood that the height adjusting mechanism is a vertical driving device such as a cylinder, a hydraulic cylinder or an electric push rod, which is not limited thereto, and the hydraulic cylinder is preferably selected in this embodiment.
In order to secure the clamping effect, the clamping mechanism may be provided in plural.
Further, as shown in fig. 1, a horizontal guiding rod 81 is disposed in the chute 11, and the sliding block 82 and the tensioning spring 83 are both sleeved on the horizontal guiding rod 81, so as to further ensure the sliding stability of the sliding block 82.
Further, the lower surface of the pressing plate 7 is provided with a buffer protection layer to reduce damage to the workpiece.
As shown in fig. 1, the bottom of the column 12 is provided with casters 121 with brakes to facilitate movement of the entire spot welding apparatus.
The implementation process of the spot welding device is as follows: the vertical threaded rod 622 is screwed first, and the pressing plate 7 is lifted; both clamps 6 are then moved outwards, thereby bringing the slide 82 outwards. Deforming the tension spring 83 to generate a restoring force; the relative position of the two clamping members 6 is kept unchanged. Placing the workpiece on the two horizontal supporting plates 61, then loosening the clamping pieces 6, enabling the two clamping pieces 6 to be close to each other under the action of the tensioning springs 83, enabling the two baffle plates 62 to be close to each other so as to adjust the position of the workpiece on the horizontal supporting plates 61, and realizing clamping and fixing of the workpiece on the horizontal supporting plates 61; then, the vertical threaded rod 622 is screwed to lower the pressing plate 7 so as to press the workpiece on the horizontal supporting plate 61; the whole clamping process is simple and convenient, the accuracy of the clamping position is ensured, and the machining and positioning of parts with different lengths and different thicknesses can be satisfied; after the clamping and fixing are completed, the height position and the front and rear positions of the welding head 5 can be adjusted to complete the spot welding operation of the workpiece.
Example two
The difference between this embodiment and the first embodiment is that the vertical threaded rod 621 is replaced with a lifting device capable of adjusting the height of the pressing plate 7, such as a slide bar reset assembly or a small cylinder.
Specifically, the slide bar resetting assembly comprises a vertical slide bar and a compression spring sleeved on the vertical slide bar; wherein, vertical slide bar slides and sets up on horizontal connecting plate 622, and the lower extreme of vertical slide bar and the clamp plate 7 fixed connection of horizontal connecting plate 622 below, hold-down spring's both ends respectively with horizontal connecting plate 622 and clamp plate 7 butt, during the use, only need upwards lift vertical slide bar make hold-down spring compression deformation, then place the machined part on horizontal layer board 61 back with baffle 62 clamp tightly, can loosen vertical slide bar, utilize hold-down spring's effort promotion clamp plate 7 to compress tightly the machined part.
Example III
The difference between this embodiment and the first or second embodiment is only that: the forward and backward movement of the moving block 4 is realized by various other conventional linear driving devices such as an electric push rod and an air cylinder.
In summary, the present utility model effectively overcomes the various disadvantages of the prior art and has high industrial utility value.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (8)
1. A spot welding device for an automobile comprises a base, a top plate and a welding gun head; the top plate is fixed above the base through a supporting rod;
the bottom of the top plate is provided with a moving block capable of moving back and forth, and the moving block is connected with the welding gun head through a height adjusting mechanism; the top of the base is provided with a clamping mechanism for clamping and fixing a workpiece; the clamping mechanism is characterized by comprising two clamping pieces; two sliding grooves extending in the left-right direction are oppositely formed in the base, and a sliding block and a tensioning spring are arranged in each sliding groove; when the sliding block is forced to move outwards, the tensioning spring deforms to generate a reset force for pulling the sliding block inwards; the top of the sliding blocks is provided with connecting rods, and the connecting rods of the two sliding blocks penetrate through the upper surface of the base and are respectively connected with the two clamping pieces; the clamping piece comprises a horizontal supporting plate and a baffle plate vertically fixed at the outer end of the horizontal supporting plate, and the two baffle plates are matched and clamped with a workpiece to be welded which is placed on the horizontal supporting plate; the upper part of the inner side of the baffle is provided with a horizontal connecting plate, a liftable pressing plate is arranged below the horizontal connecting plate, and the pressing plate compresses a workpiece to be welded on the horizontal supporting plate.
2. The spot welding device for automobiles according to claim 1, wherein a moving groove extending in a front-rear direction is provided in the top plate; the screw rod is rotationally arranged in the moving groove, and a driving piece for driving the screw rod to rotate is arranged at the rear end of the screw rod; the moving block is positioned in the moving groove and is in threaded connection with the screw rod; the bottom of the moving block penetrates through the bottom surface of the top plate and is connected with the height adjusting mechanism.
3. The spot welding device for an automobile according to claim 1 or 2, wherein the height adjusting mechanism is a cylinder, a hydraulic cylinder, or an electric push rod.
4. The spot welding device for the automobile according to claim 1 or 2, wherein a horizontal guide rod is arranged in the chute, and the sliding block and the tensioning spring are sleeved on the horizontal guide rod.
5. The spot welding device for automobiles according to claim 1, wherein the horizontal connecting plate is connected with a vertical threaded rod in a threaded manner, and the lower end of the vertical threaded rod is connected with the corresponding pressing plate in a rotating manner.
6. The spot welding device for the automobile according to claim 1, wherein a vertical sliding rod capable of sliding up and down is arranged on the horizontal connecting plate, and the lower end of the vertical sliding rod is fixedly connected with the corresponding pressing plate; the vertical slide bar is sleeved with a compression spring, and two ends of the compression spring are respectively abutted with the horizontal connecting plate and the pressing plate.
7. A spot welding apparatus for an automobile according to claim 1, 5 or 6, wherein a buffer protective layer is provided on a lower surface of the pressing plate.
8. The spot welding device for automobiles according to claim 1, wherein the bottom of the base is provided with casters with brakes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321822501.9U CN220547822U (en) | 2023-07-12 | 2023-07-12 | Spot welding device for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321822501.9U CN220547822U (en) | 2023-07-12 | 2023-07-12 | Spot welding device for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220547822U true CN220547822U (en) | 2024-03-01 |
Family
ID=90006691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321822501.9U Active CN220547822U (en) | 2023-07-12 | 2023-07-12 | Spot welding device for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220547822U (en) |
-
2023
- 2023-07-12 CN CN202321822501.9U patent/CN220547822U/en active Active
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