CN220240478U - Lower support plate welding fixture - Google Patents
Lower support plate welding fixture Download PDFInfo
- Publication number
- CN220240478U CN220240478U CN202321214928.0U CN202321214928U CN220240478U CN 220240478 U CN220240478 U CN 220240478U CN 202321214928 U CN202321214928 U CN 202321214928U CN 220240478 U CN220240478 U CN 220240478U
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- China
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- clamping
- plate
- lower support
- support plate
- driving unit
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- 238000003466 welding Methods 0.000 title claims abstract description 39
- 230000000712 assembly Effects 0.000 claims abstract description 24
- 238000000429 assembly Methods 0.000 claims abstract description 24
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a lower support plate welding fixture which comprises a bracket, two clamping assemblies, a positioning assembly and a compacting assembly, wherein the two clamping assemblies, the positioning assembly and the compacting assembly are arranged on the bracket; the two clamping assemblies are oppositely arranged, and each clamping assembly comprises a clamping driving unit fixed on the bracket and a clamping block connected to the clamping driving unit; the positioning assembly is positioned between the two clamping assemblies and comprises a connecting block connected to the bracket, and the connecting block is positioned between the two clamping blocks and is connected with a centering column; the compressing assembly is located above the two clamping assemblies and comprises a compressing driving unit fixed on the bracket and a mounting plate located above the clamping block and connected to the compressing driving unit, the mounting plate is provided with a magnetic attraction piece for magnetically attracting the lower support plate, the bottom surface of the mounting plate is fixed with a pressing plate, and the bottom surface of the pressing plate protrudes downwards to form a positioning pin. Through this structural design to not only improve positioning accuracy, and the clamping is convenient.
Description
Technical Field
The utility model relates to the technical field of welding positioning devices, in particular to a lower support plate welding fixture.
Background
The lower support plate of the existing heavy vehicle suspension is generally welded, and when the lower support plate is welded, a panel, two side plates, a rib plate and a cover plate of the lower support plate are clamped on a welding fixture, and then the welding is carried out after the clamping is completed. The existing welding fixture comprises a support, two clamping assemblies and a pressing assembly, wherein the two clamping assemblies are installed on the support, the two clamping assemblies are arranged oppositely, each clamping assembly comprises a clamping cylinder and a clamping plate connected to the clamping cylinder, the two clamping plates move in directions close to or far away from each other under the driving of the clamping cylinder so as to clamp or loosen the two side plates, the pressing assembly is located above the two clamping assemblies and comprises a pressing cylinder fixed on the support and a pressing plate connected to the pressing cylinder, and the pressing plate is used for pressing the cover plate downwards. However, the phenomenon of inaccurate positioning of the cover plate is very easy to occur to the lower support plate for spot welding on the existing welding fixture, namely, the positioning accuracy of the existing welding fixture is low.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide the lower support plate welding fixture which can improve the positioning precision and is convenient to clamp.
In order to achieve the above purpose, the embodiment of the present utility model adopts the following technical scheme:
the lower support plate welding fixture comprises a bracket, two clamping assemblies, a positioning assembly and a compacting assembly, wherein the two clamping assemblies, the positioning assembly and the compacting assembly are arranged on the bracket;
the two clamping assemblies are oppositely arranged, and each clamping assembly comprises a clamping driving unit fixed on the bracket and a clamping block connected to the clamping driving unit;
the positioning assembly is positioned between the two clamping assemblies and comprises a connecting block connected to the bracket, and the connecting block is positioned between the two clamping blocks and is connected with a centering column;
the pressing assembly is located above the two clamping assemblies and comprises a pressing driving unit fixed on the support and a mounting plate located above the clamping block and connected to the pressing driving unit, the mounting plate is provided with a magnetic attraction piece for magnetically attracting the lower support plate, a pressing plate is fixed on the bottom surface of the magnetic attraction piece, and a positioning pin protrudes downwards from the bottom surface of the pressing plate.
Further, upper limit posts for limiting the cover plate of the lower support plate are fixed at two ends of the bottom surface of the pressing plate.
Further, the magnetic attraction piece is fixed on the upper limit post.
Further, a plurality of upper limit posts are arranged at two ends of the bottom surface of the pressing plate.
Further, both ends of the mounting plate are provided with upper limit posts for limiting the cover plate of the lower support plate, the upper limit posts protrude downwards relative to the bottom surface of the mounting plate, and the pressing plates are located between the upper limit posts on both ends of the mounting plate and lower than the upper limit posts.
Further, the clamping assembly comprises a clamping seat fixed on the support, the clamping driving unit is fixed on the clamping seat, and the clamping block extends along the width direction of the lower support plate welding clamp and is connected to the telescopic rod of the clamping driving unit in a rotating mode in the horizontal direction.
Further, the support is fixed with the bottom plate that is located the clamp plate below and a plurality of being located the lower spacing post in the bottom plate outside, one down spacing post with a panel hole and a gusset hole cooperation of lower extension board, two clamping components are located respectively the bottom plate is followed down extension board welding jig width direction's both sides are outer and be located down spacing post's outside, locating component is located the bottom plate is followed down extension board welding jig length direction's one side is outer.
Further, the bracket is further fixed with a plurality of positioning posts surrounding the outside of the bottom plate and being close to the bottom plate with respect to the clamping driving unit and the centering posts.
Further, the locating component is fixed in including being fixed in positioning seat on the support, be fixed in cylinder on the positioning seat and connect in slide on the cylinder, the spout has been seted up at the slide top, two the connecting block with spout sliding fit, every the connecting block is close to the lateral wall of clamp block is fixed with one the centering post.
Further, the clamping driving unit and the pressing driving unit are both air cylinders.
The pressing component of the lower support plate welding fixture is arranged above the clamping block and is connected with the mounting plate on the pressing driving unit, the mounting plate is provided with the magnetic piece for magnetically sucking the lower support plate, the bottom surface of the mounting plate is fixedly provided with the pressing plate, the bottom surface of the pressing plate is provided with the positioning pin in a protruding mode, when the lower support plate is clamped, the positioning pin is matched with the cover plate hole to achieve centering of the cover plate, so that the cover plate is accurately aligned, meanwhile, the pressing plate adsorbs the cover plate through magnetic force, then the pressing driving unit drives the pressing plate to move downwards to drive the cover plate to move downwards, and when the cover plate moves to the top surfaces of the two side plates, the pressing plate downwards presses the cover plate, so that positioning accuracy is improved, and clamping is convenient.
Drawings
FIG. 1 is a partially exploded perspective view of a lower plate welding jig according to an embodiment of the present utility model;
FIG. 2 is a combination diagram of FIG. 1;
fig. 3 is another view angle usage state diagram of fig. 2.
Description of the embodiments
The utility model is further described below with reference to the drawings and detailed description:
as shown in fig. 1 to 3, an embodiment of the present utility model provides a lower support plate welding jig for clamping a lower support plate 100 when spot welding a lower support plate 100 of a trailer suspension, the lower support plate 100 including a panel 101, two side plates 102, a rib plate 103 and a cover plate 104. The lower support plate welding fixture comprises a support 1, and two clamping assemblies 2, a positioning assembly 3 and a compacting assembly 4 which are arranged on the support 1.
The two clamping assemblies 2 are oppositely arranged and mounted at the lower end of the bracket 1, each clamping assembly 2 comprises a clamping driving unit 21 fixed on the bracket 1 through bolts and a clamping block 22 connected to the clamping driving unit 21, the clamping driving units 21 are all cylinders, and the clamping blocks 22 are used for clamping rib plates 103. Specifically, the clamping assembly 2 comprises a clamping seat 20 fixed on the bracket 1 through screws, the clamping driving unit 21 is fixed on the clamping seat 20, the clamping block 22 extends along the width direction of the lower support plate welding fixture to clamp two rib plates 103 simultaneously, the clamping block 22 is connected to a telescopic rod of the clamping driving unit 21 in a rotating manner in the horizontal direction, and the position of the clamping block 22 relative to the rib plates 103 is finely adjusted to adapt to clamping of different rib plates 103. When clamping the lower support plate 100, the clamping driving unit 21 drives the clamping block 22 to move towards the rib plate 103 and abut against the rib plate 103 so as to clamp the rib plate 103, and when loosening the lower support plate 100, the clamping driving unit 21 drives the clamping block 22 to move along the direction away from the rib plate 103 so as to be separated from the rib plate 103, so that the rib plate 103 is loosened.
The positioning assembly 3 is located between the two clamping assemblies 2 and comprises a connecting block 31 connected to the bracket 1, the connecting block 31 is located between the two clamping blocks 22 and is in threaded connection with a centering column 32, and the centering column 32 is used for being matched with the side plate hole 1021 to position the side plate 102. Specifically, the positioning assembly 3 comprises a positioning seat 30 fixed on the bracket 1 through bolts, an air cylinder 34 fixed on the positioning seat 30 through bolts, and a sliding seat 33 connected on a telescopic rod of the air cylinder 34, wherein sliding grooves 331 are formed in the top of the sliding seat 33 along the length direction of the lower support plate welding fixture, two connecting blocks 31 are arranged, the lower ends of the two connecting blocks 31 are in sliding fit with the sliding grooves 331, and a centering column 32 is fixed on the outer side wall of each connecting block 31 close to the clamping block 22, and more specifically, the centering column 32 is in threaded connection with the connecting block 31. When the lower support plate 100 is clamped, the air cylinder 34 drives the positioning pin 45 to move up and down through the sliding seat 33, and when the positioning pin 45 moves to be aligned with the side plate hole 1021, the sliding seat 33 drives the connecting block 31 to move along the sliding groove 331 and towards the side plate hole 1021 until the positioning pin 45 is matched with the side plate hole 1021.
The pressing assembly 4 is located above the two clamping assemblies 2, and comprises a pressing driving unit 41 fixed on the bracket 1 through bolts and a mounting plate 42 located above the clamping block 22 and connected to the pressing driving unit 41, specifically, the pressing driving unit 41 is fixed at the upper end of the bracket 1 and is an air cylinder, the mounting plate 42 is provided with a magnetic attraction piece 43 for magnetically attracting the lower support plate 100, the bottom surface of the mounting plate 42 is fixed with a pressing plate 44, and the bottom surface of the pressing plate 44 protrudes downwards to form a positioning pin 45 matched with the cover plate hole 1041. When clamping down the support plate 100, the locating pin 45 is matched with the cover plate hole 1041 to realize the centering of the cover plate 104, so that the cover plate 104 is accurately aligned, meanwhile, the pressing plate 44 adsorbs the cover plate 104 through magnetic force, then the pressing driving unit 41 drives the pressing plate 44 to move downwards to drive the cover plate 104 to move downwards, and when the cover plate 104 moves to the top surfaces of the two side plates 102, the pressing plate 44 presses the cover plate 104 downwards, so that the positioning precision is improved, and the clamping is convenient.
In this embodiment, for convenience in installation, simplification of structure and space saving, one end of the positioning pin 45 is provided with a thread, the positioning pin 45 is in threaded connection with the pressing plate 44, two ends of the bottom surface of the pressing plate 44 are fixed with upper limit posts 46, the upper limit posts 46 are used for limiting the cover plate 104 in the width direction of the cover plate 104, the magnetic attraction pieces 43 are fixed on the upper limit posts 46, specifically, the magnetic attraction pieces 43 are magnets and are embedded in the upper limit posts 46. To improve positioning accuracy, a plurality of upper limit posts 46 are provided at both ends of the bottom surface of the pressing plate 44. The bracket 1 is fixed with a bottom plate 11 positioned below the pressing plate 44 and a plurality of lower limit posts 12 positioned outside the bottom plate 11, the bottom plate 11 is used for supporting the panel 101, the lower limit posts 12 are matched with a panel hole (not shown) and a rib plate hole 1031 of the lower support plate 100 to determine the relative positions of the panel 101 and the rib plate 103, the two clamping assemblies 2 are respectively positioned outside two sides of the bottom plate 11 along the width direction of the lower support plate welding fixture and outside the lower limit posts 12, and the positioning assembly 3 is positioned outside one side of the bottom plate 11 along the length direction of the lower support plate welding fixture.
To simplify the structure, in other embodiments, the two ends of the mounting plate 42 are provided with upper limit posts 46, the upper limit posts 46 protrude downward relative to the bottom surface of the mounting plate 42, and the pressing plate 44 is located between the upper limit posts 46 on the two ends of the mounting plate 42 and lower than the upper limit posts 46 so as to be capable of moving under the guidance of the upper limit posts 46, and can limit the cover plate 104 in the width direction of the cover plate 104.
In order to further improve the positioning accuracy, the bracket 1 is further fixed with a plurality of positioning posts 13, the plurality of positioning posts 13 being around the outside of the bottom plate 11 and being close to the bottom plate 11 with respect to the clamping driving unit 21 and the centering posts 32 to achieve complete positioning of the panel 101.
The pressing component of the lower support plate welding fixture is arranged above the clamping block and is connected with the mounting plate on the pressing driving unit, the mounting plate is provided with the magnetic piece for magnetically sucking the lower support plate, the bottom surface of the mounting plate is fixedly provided with the pressing plate, the bottom surface of the pressing plate is provided with the positioning pin in a protruding mode, when the lower support plate is clamped, the positioning pin is matched with the cover plate hole to achieve centering of the cover plate, so that the cover plate is accurately aligned, meanwhile, the pressing plate adsorbs the cover plate through magnetic force, then the pressing driving unit drives the pressing plate to move downwards to drive the cover plate to move downwards, and when the cover plate moves to the top surfaces of the two side plates, the pressing plate downwards presses the cover plate, so that positioning accuracy is improved, and clamping is convenient.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that modifications may be made to the technical solutions described in the foregoing embodiments or equivalents may be substituted for some of the technical features thereof, and these modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model in essence.
Claims (10)
1. The lower support plate welding fixture is characterized by comprising a bracket, and two clamping assemblies, a positioning assembly and a compacting assembly which are arranged on the bracket;
the two clamping assemblies are oppositely arranged, and each clamping assembly comprises a clamping driving unit fixed on the bracket and a clamping block connected to the clamping driving unit;
the positioning assembly is positioned between the two clamping assemblies and comprises a connecting block connected to the bracket, and the connecting block is positioned between the two clamping blocks and is connected with a centering column;
the pressing assembly is located above the two clamping assemblies and comprises a pressing driving unit fixed on the support and a mounting plate located above the clamping block and connected to the pressing driving unit, the mounting plate is provided with a magnetic attraction piece for magnetically attracting the lower support plate, a pressing plate is fixed on the bottom surface of the magnetic attraction piece, and a positioning pin protrudes downwards from the bottom surface of the pressing plate.
2. The lower support plate welding jig according to claim 1, wherein upper limit posts for limiting the cover plate of the lower support plate are fixed to both ends of the bottom surface of the pressing plate.
3. The lower plate welding jig of claim 2, wherein the magnetic attraction member is fixed to the upper limit post.
4. The lower support plate welding fixture of claim 2, wherein a plurality of said upper limit posts are provided at both ends of the bottom surface of said pressure plate.
5. The lower support plate welding fixture as claimed in claim 1, wherein both ends of the mounting plate are provided with upper limit posts for limiting the cover plate of the lower support plate, the upper limit posts protrude downwards relative to the bottom surface of the mounting plate, and the pressing plate is located between the upper limit posts on both ends of the mounting plate and lower than the upper limit posts.
6. The lower plate welding jig of claim 1, wherein the clamping assembly includes a clamping seat fixed to the bracket, the clamping driving unit is fixed to the clamping seat, and the clamping block extends in a width direction of the lower plate welding jig and is rotatably connected to a telescopic rod of the clamping driving unit in a horizontal direction.
7. The lower support plate welding jig according to claim 1, wherein the bracket is fixedly provided with a bottom plate positioned below the pressing plate and a plurality of lower limit posts positioned outside the bottom plate, one lower limit post is matched with a panel hole and a rib plate hole of the lower support plate, the two clamping assemblies are respectively positioned outside two sides of the bottom plate along the width direction of the lower support plate welding jig and outside the lower limit posts, and the positioning assembly is positioned outside one side of the bottom plate along the length direction of the lower support plate welding jig.
8. The lower plate welding jig of claim 7, wherein the bracket further secures a plurality of positioning posts surrounding the outside of the base plate and proximate the base plate relative to the clamping drive unit and the centering posts.
9. The lower support plate welding fixture of claim 1, wherein the positioning assembly comprises a positioning seat fixed on the support, a cylinder fixed on the positioning seat and a sliding seat connected to the cylinder, sliding grooves are formed in the top of the sliding seat, two connecting blocks are in sliding fit with the sliding grooves, and a centering column is fixed on each connecting block close to the outer side wall of the clamping block.
10. The lower plate welding jig of claim 1, wherein the clamping driving unit and the pressing driving unit are both air cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321214928.0U CN220240478U (en) | 2023-05-19 | 2023-05-19 | Lower support plate welding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321214928.0U CN220240478U (en) | 2023-05-19 | 2023-05-19 | Lower support plate welding fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220240478U true CN220240478U (en) | 2023-12-26 |
Family
ID=89267893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321214928.0U Active CN220240478U (en) | 2023-05-19 | 2023-05-19 | Lower support plate welding fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220240478U (en) |
-
2023
- 2023-05-19 CN CN202321214928.0U patent/CN220240478U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |