CN220698662U - Welding fixture for inner side bracket of dragging arm - Google Patents
Welding fixture for inner side bracket of dragging arm Download PDFInfo
- Publication number
- CN220698662U CN220698662U CN202322095777.8U CN202322095777U CN220698662U CN 220698662 U CN220698662 U CN 220698662U CN 202322095777 U CN202322095777 U CN 202322095777U CN 220698662 U CN220698662 U CN 220698662U
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- arm
- bracket
- dragging
- clamping device
- pressing
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- 238000003466 welding Methods 0.000 title claims abstract description 39
- 238000003825 pressing Methods 0.000 claims abstract description 40
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of welding clamps, in particular to a welding clamp for an inner bracket of a dragging arm, which comprises a base, a first clamping device, a second clamping device and a first bearing seat arranged on the base, wherein the upper side of the first bearing seat is used for propping against the lower side of the tail of the inner bracket of the dragging arm and is provided with a plurality of positioning pins which are used for penetrating through a plurality of mounting through holes one by one and extend into an inner tooth connecting column, the first clamping device comprises a first lever cylinder arranged on the base and a first pressing arm which is arranged at the output end of the first lever cylinder and is used for clamping the tail of the inner bracket of the dragging arm in cooperation with the first bearing seat, and the second clamping device comprises a second lever cylinder arranged on the base and a second pressing arm which is arranged at the output end of the second lever cylinder and is used for pressing the inner tooth connecting column towards the upper side of the tail of the inner bracket of the dragging arm. By implementing the utility model, the participation rate of workers can be reduced, and the welding quality of the bracket at the inner side of the dragging arm can be ensured.
Description
Technical Field
The utility model relates to the technical field of welding clamps, in particular to a welding clamp for an inner side bracket of a dragging arm.
Background
The automobile drag arm is a suspension specially designed for the rear wheel in an automobile semi-independent suspension structure, and the whole suspension structure of the drag arm consists of a main shaft directly combined with a vehicle body part and a suspension system combined with the main shaft, and has the advantages of small friction and good riding quality in the running process.
The automobile dragging arm is generally connected with the automobile frame through the dragging arm inner side support, a plurality of inner tooth connecting columns are arranged on the dragging arm inner side support for being conveniently connected with external mounting bolts, mounting through holes which correspond to the inner tooth connecting columns one by one in multiple positions are further formed in the support body, positioning during welding of the inner tooth connecting columns is achieved, and screw hole threaded connection of the outer mounting bolts and the inner tooth connecting columns is facilitated through the mounting through holes.
In the prior art, the inner side bracket of the dragging arm is generally welded manually, the inner side bracket of the dragging arm and the positions of a plurality of inner tooth connecting columns on the inner side bracket of the dragging arm are required to be fixed manually, and the manual participation rate is high; in addition, the inner tooth connecting column is easy to misplace in the welding process, and the welding quality of the bracket at the inner side of the dragging arm is affected.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the welding clamp for the inner side bracket of the dragging arm, which can reduce the participation rate of workers and ensure the welding quality of the inner side bracket of the dragging arm.
In order to solve the technical problems, the welding fixture for the inner bracket of the dragging arm comprises a base, a first clamping device, a second clamping device and a first bearing seat arranged on the base, wherein the upper side of the first bearing seat is used for propping against the lower side of the tail of the inner bracket of the dragging arm and is provided with a plurality of positioning pins which are used for penetrating through a plurality of mounting through holes one by one and extend into an inner tooth connecting column, the first clamping device comprises a first lever cylinder arranged on the base and a first pressing arm which is arranged at the output end of the first lever cylinder and is used for clamping the tail of the inner bracket of the dragging arm in cooperation with the first bearing seat, and the second clamping device comprises a second lever cylinder arranged on the base and a second pressing arm which is arranged at the output end of the second lever cylinder and is used for pressing the inner tooth connecting column towards the upper side of the tail of the inner bracket of the dragging arm.
As the improvement of above-mentioned scheme, second clamping device still includes a plurality of briquetting that install on the second pressure arm and be used for one-to-one and a plurality of interior tooth spliced pole to offset, the briquetting is equipped with the chamber of holding that holds in the ease upper portion of tooth spliced pole.
As an improvement of the scheme, the upper part of the inner tooth connecting column is spherical crown-shaped, and the accommodating cavity is matched with the upper part of the inner tooth connecting column.
As the improvement of above-mentioned scheme, the second arm of pressing is equipped with a plurality of rectangular through-holes, second clamping device still includes a plurality of connecting bolt, a plurality of connecting bolt are used for the one-to-one to pass a plurality of rectangular through-holes and with briquetting threaded connection.
As an improvement of the scheme, the welding fixture for the inner bracket of the dragging arm further comprises a second bearing seat, a third bearing seat and a third clamping device, wherein the first bearing seat, the second bearing seat and the third bearing seat are sequentially arranged on the base at intervals from left to right, the second bearing seat is used for propping against the lower side of the middle part of the inner bracket of the dragging arm, the third bearing seat is used for propping against the lower side of the head of the inner bracket of the dragging arm, and the third clamping device comprises a third lever cylinder arranged on the base and a third pressing arm which is arranged at the output end of the third lever cylinder and used for clamping the head of the inner bracket of the dragging arm in cooperation with the third bearing seat.
As an improvement of the scheme, the first bearing seat is provided with a pair of first limiting blocks which are used for correspondingly limiting the front and rear sides of the tail of the inner side bracket of the dragging arm, the second bearing seat is provided with a pair of second limiting blocks which are used for correspondingly limiting the front and rear sides of the middle of the inner side bracket of the dragging arm, and the third bearing seat is provided with a pair of third limiting blocks which are used for correspondingly limiting the front and rear sides of the head of the inner side bracket of the dragging arm.
As an improvement of the scheme, a positioning through hole is formed in the middle of the inner side bracket of the dragging arm, and the second bearing seat is provided with a positioning plate which penetrates through the positioning through hole and abuts against the left edge of the positioning through hole.
As the improvement of above-mentioned scheme, locating plate upper portion is along deviating from the orientation slope setting up of locating through-hole left edge, locating plate lower part vertical setting and be used for with locating through-hole left edge offset.
The implementation of the utility model has the following beneficial effects:
according to the welding fixture for the inner bracket of the dragging arm, the base, the first clamping device, the second clamping device and the first bearing seat are matched with each other, so that the inner bracket of the dragging arm can be positioned, the relative positions of the inner teeth connection and the inner bracket of the dragging arm are fixed, the inner bracket of the dragging arm and the positions of a plurality of inner teeth connection columns on the inner bracket of the dragging arm are not required to be manually fixed, the participation rate of workers is reduced, the dislocation probability of the inner teeth connection columns in the welding process is reduced, and the welding quality of the inner bracket of the dragging arm is ensured.
Drawings
FIG. 1 is a schematic view of a bracket structure on the inner side of a trailing arm to be processed according to an embodiment of the present utility model;
FIG. 2 is a schematic view of an inner tooth post mounted on a bracket on the inner side of a trailing arm according to an embodiment of the present utility model;
FIG. 3 is a schematic front view of a welding fixture for a bracket on the inner side of a trailing arm according to an embodiment of the present utility model;
FIG. 4 is a schematic top view of a welding fixture for a bracket on the inner side of a trailing arm according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of the operation of the first clamping device according to the embodiment of the present utility model;
FIG. 6 is a schematic diagram of the operation of the second clamping device according to the embodiment of the present utility model;
FIG. 7 is an enlarged view at A in FIG. 6;
FIG. 8 is a schematic diagram illustrating the operation of a third clamping device according to an embodiment of the present utility model;
fig. 9 is a schematic diagram of the operation of the positioning plate according to the embodiment of the present utility model.
In the figure:
100. a bracket on the inner side of the dragging arm; 110. mounting through holes; 120. an inner tooth connecting column; 130. positioning the through hole;
210. a base;
220. a first clamping device; 221. a first lever cylinder; 222. a first pressing arm;
230. a second clamping device; 231. a second lever cylinder; 232. a second pressing arm; 233. briquetting; 234. a receiving chamber; 235. a long through hole; 236. a connecting bolt;
240. a first support bracket; 241. a positioning pin; 242. a first limiting block;
250. a second support bracket; 251. a second limiting block; 252. a positioning plate;
260. a third support bracket; 261. a third limiting block;
270. a third clamping device; 271. a third lever cylinder; 272. and a third pressing arm.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific embodiments so as to more clearly understand the technical ideas claimed in the present utility model. It is only stated that the terms of orientation such as up, down, left, right, front, back, inner, outer, etc. used in this document or the imminent present utility model, are used only with reference to the drawings of the present utility model, and are not meant to be limiting in any way.
As shown in fig. 1 to 2, the tail of the inner bracket 100 of the trailing arm to be processed according to the embodiment of the present utility model is provided with a plurality of mounting through holes 110 and a plurality of inner teeth connecting posts 120 positioned in one-to-one correspondence with the mounting through holes 110. In fact, the hole diameter of the mounting through hole 110 is larger than the large diameter of the threaded hole of the inner tooth connecting post 120 and smaller than the outer diameter of the inner tooth connecting post 120, so that the external mounting bolt can pass through the mounting through hole 110 to be in threaded connection with the threaded hole of the inner tooth connecting post 120 and can be welded on the inner bracket 100 of the trailing arm.
As shown in fig. 3 to 9, a welding jig for a bracket on the inner side of a drag arm according to an embodiment of the present utility model includes a base 210, a first clamping device 220, a second clamping device 230, and a first socket 240 mounted on the base 210. In practice, the base 210 may be placed on a welding table and may be welded to the trailing arm inner side bracket 100 in cooperation with an external welding robot.
The upper side of the first bearing seat 240 is used for propping against the lower side of the tail of the inner bracket 100 of the dragging arm and is provided with a plurality of positioning pins 241 which are used for penetrating through the plurality of mounting through holes 110 and extending into the inner tooth connecting post 120 in a one-to-one correspondence manner, in fact, the outer diameter of the positioning pins 241 can be 0.2-0.3mm smaller than the minor diameter of the threaded holes of the inner tooth connecting post 120 (in practice, the value is determined according to the positioning precision requirement of the inner tooth connecting post 120), so that the positioning pins 241 can extend into the threaded holes of the inner tooth connecting post 120 and position the inner tooth connecting post 120.
The first clamping device 220 includes a first lever cylinder 221 installed on the base 210 and a first pressing arm 222 installed at an output end of the first lever cylinder 221 for clamping a tail of the inner bracket 100 of the trailing arm in cooperation with the first socket 240, and the second clamping device 230 includes a second lever cylinder 231 installed on the base 210 and a second pressing arm 232 installed at an output end of the second lever cylinder 231 for pressing the inner tooth connecting post 120 toward an upper side of the tail of the inner bracket 100 of the trailing arm. In fact, the initial states of the first lever cylinder 221 and the second lever cylinder 231 are that the output ends are vertically upward, so that the first pressing arm 222 is vertically upward for the insertion and the extraction of the inner bracket 100 of the trailing arm, and the second pressing arm 232 is vertically upward for the insertion and the extraction of the inner tooth connecting post 120 and the inner bracket 100 of the trailing arm; the first lever cylinder 221 and the second lever cylinder 231 are operated to press the first pressing arm 222 against the first bearing bracket 240 to clamp the tail of the inner bracket 100 of the trailing arm and press the second pressing arm 232 against the inner tooth connecting post 120 to fix the relative positions of the inner tooth connecting post 120 and the inner bracket 100 of the trailing arm.
The working steps of the welding fixture for the inner side bracket of the dragging arm are as follows: the first lever cylinder 221 and the second lever cylinder 231 are in an initial state, and a plurality of positioning posts on the first support bracket 240 correspondingly pass through a plurality of mounting through holes 110 of the inner bracket 100 of the trailing arm one by one, and the tail of the inner bracket 100 of the trailing arm is placed on the upper side of the first support bracket 240, so as to position the tail of the inner bracket 100 of the trailing arm; placing a plurality of inner tooth connecting columns 120 on the tail part of the inner bracket 100 of the dragging arm, and sleeving threaded holes of the inner tooth connecting columns 120 on a plurality of positioning pins 241 in a one-to-one correspondence manner to position the inner tooth connecting columns 120; the first lever cylinder 221 and the second lever cylinder 231 act to press the first pressing arm 222 towards the first bearing bracket 240 to clamp the tail of the inner bracket 100 of the trailing arm and press the second pressing arm 232 towards the inner tooth connecting post 120 to fix the relative positions of the inner tooth connecting post 120 and the inner bracket 100 of the trailing arm; welding the inner tooth connecting column 120 with the inner bracket 100 of the trailing arm; after the welding is finished, the first lever cylinder 221 and the second lever cylinder 231 are reset, and the welded inner bracket 100 of the dragging arm is taken away; and enter the next working cycle.
The welding fixture for the inner bracket of the dragging arm provided by the utility model is matched with the base 210, the first clamping device 220, the second clamping device 230 and the first bearing bracket 240, so that the inner bracket 100 of the dragging arm can be positioned and the relative positions of the inner teeth connection and the inner bracket 100 of the dragging arm can be fixed, the positions of the inner bracket 100 of the dragging arm and the positions of a plurality of inner teeth connection columns 120 on the inner bracket 100 of the dragging arm are not required to be manually fixed, the participation rate of workers is reduced, the dislocation probability of the inner teeth connection columns 120 in the welding process is reduced, and the welding quality of the inner bracket 100 of the dragging arm is ensured.
It should be noted that the second clamping device 230 further preferably includes a plurality of pressing blocks 233 mounted on the second pressing arm 232 and used for abutting against the plurality of inner teeth connecting posts 120 in a one-to-one correspondence manner, and the pressing blocks 233 are provided with a receiving cavity 234 for easily receiving an upper portion of the inner teeth connecting post 120. When the second pressing arm 232 drives the pressing block 233 to press the inner tooth connecting column 120, the upper part of the inner tooth connecting column 120 is positioned in the accommodating cavity 234, and the matching positioning pin 241 prevents the inner tooth connecting column 120 from dislocating and separating from the pressing range of the pressing block 233, so that the pressing block 233 can press the inner tooth connecting column 120. Specifically, the upper portion of the inner tooth connecting post 120 is spherical, the accommodating cavity 234 is matched with the upper portion of the inner tooth connecting post 120, that is, the contour of the accommodating cavity 234 is the same as that of the upper portion of the inner tooth connecting post 120, and the accommodating cavity 234 cooperates with the upper portion of the inner tooth connecting post 120 to perform guiding and positioning functions on the inner tooth connecting post 120.
Further, the second pressing arm 232 is preferably provided with a plurality of elongated through holes 235, and the second clamping device 230 preferably further includes a plurality of connecting bolts 236, where a plurality of connecting bolts 236 are used to pass through the plurality of elongated through holes 235 in a one-to-one correspondence and be screwed with the pressing block 233. Through connecting bolt 236, rectangular through-hole 235 and briquetting 233 cooperation can be to the position fine setting of briquetting 233, conveniently adjust the position of briquetting 233 and improve the location accuracy of briquetting 233 to interior tooth spliced pole 120 upper portion.
It should be noted that the welding fixture for the inner bracket of the towing arm of the present utility model further preferably includes a second supporting seat 250, a third supporting seat 260, and a third clamping device 270, where the first supporting seat 240, the second supporting seat 250, and the third supporting seat 260 are sequentially disposed on the base 210 from left to right, the second supporting seat 250 is used for abutting against the lower side of the middle portion of the inner bracket 100 of the towing arm, the third supporting seat 260 is used for abutting against the lower side of the head of the inner bracket 100 of the towing arm, and the third clamping device 270 includes a third lever cylinder 271 mounted on the base 210, and a third pressing arm 272 mounted on the output end of the third lever cylinder 271 and used for clamping the head of the inner bracket 100 of the towing arm in cooperation with the third supporting seat 260. The third lever cylinder 271 functions to clamp the head of the inner bracket 100 of the trailing arm in cooperation with the third socket 260, similarly to the first lever cylinder 221 and the second lever cylinder 231. Meanwhile, the second bearing bracket 250 plays a role in bearing the middle part of the inner bracket 100 of the trailing arm and reducing the deformation of the middle part of the inner bracket 100 of the trailing arm during the welding process.
Further, the first support bracket 240 is preferably provided with a pair of first limiting blocks 242 for correspondingly limiting the front and rear sides of the tail of the inner bracket 100 of the trailing arm, so as to limit the front and rear positions of the tail of the inner bracket 100 of the trailing arm; the second support bracket 250 is preferably provided with a pair of second limiting blocks 251 for correspondingly limiting the front and rear sides of the middle of the inner bracket 100 of the trailing arm, so as to limit the front and rear positions of the middle of the inner bracket 100 of the trailing arm; the third socket 260 is preferably provided with a pair of third stoppers 261 for correspondingly restricting the front and rear sides of the head of the inner bracket 100 of the trailing arm, so as to limit the position of the head of the inner bracket 100 of the trailing arm, and the first stoppers 242, the second stoppers 251 and the third stoppers 261 serve to prevent the front and rear positions of the inner bracket 100 of the trailing arm in the first socket 240, the second socket 250 and the third socket 260, thereby reducing the positioning difficulty of the inner bracket 100 of the trailing arm.
In practical application, the middle part of the inner bracket 100 of the dragging arm is preferably provided with a positioning through hole 130, and the weight of the inner bracket 100 of the dragging arm can be reduced through the positioning through hole 130, meanwhile, a space for giving way is provided for the subsequent installation of the dragging arm of the automobile, and the positioning is performed by using the positioning through hole 130 during production; the second supporting seat 250 is preferably provided with a positioning plate 252 which is used for penetrating through the positioning through hole 130 and propping against the left edge of the positioning through hole 130; before the inner bracket 100 of the dragging arm is placed on the first bearing bracket 240, the second bearing bracket 250 and the third bearing bracket 260, the positioning plate 252 passes through the positioning through hole 130 from bottom to top, and then the left edge of the positioning through hole 130 is propped against the left side of the positioning plate 252, so that the left and right positions of the inner bracket 100 of the dragging arm are positioned, and the positioning difficulty of the inner bracket 100 of the dragging arm is further reduced.
Specifically, the upper portion of the positioning plate 252 is preferably disposed obliquely upward in a direction away from the left edge of the positioning through hole 130, so as to perform a guiding and abdicating function for the insertion and removal of the bracket 100 on the inner side of the dragging arm; the lower portion of the positioning plate 252 is preferably vertically disposed and is used for abutting against the left edge of the positioning through hole 130, and the positioning pin 241, the mounting through hole 110, the first limiting block 242, the second limiting block 251, the third limiting block 261 and the positioning through hole 130 are matched to ensure the positioning of the inner bracket 100 of the trailing arm.
The foregoing description is only specific embodiments of the present utility model, and not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the present utility model.
Claims (8)
1. The utility model provides a drag arm inboard support welding jig, drag arm inboard support's afterbody is equipped with a plurality of installation through-holes and a plurality of positions and installation through-hole one-to-one's interior tooth spliced pole, its characterized in that: the welding fixture for the inner bracket of the dragging arm comprises a base, a first clamping device, a second clamping device and a first bearing seat arranged on the base, wherein the upper side of the first bearing seat is used for propping against the lower side of the tail of the inner bracket of the dragging arm and is provided with a plurality of positioning pins which are used for penetrating through a plurality of mounting through holes in a one-to-one correspondence mode and extend into an inner tooth connecting column, the first clamping device comprises a first lever cylinder arranged on the base and a first pressing arm arranged at the output end of the first lever cylinder and used for clamping the tail of the inner bracket of the dragging arm in cooperation with the first bearing seat, and the second clamping device comprises a second lever cylinder arranged on the base and a second pressing arm arranged at the output end of the second lever cylinder and used for pressing the inner tooth connecting column towards the upper side of the tail of the inner bracket of the dragging arm.
2. The trailing arm medial bracket welding jig of claim 1 wherein: the second clamping device further comprises a plurality of pressing blocks which are arranged on the second pressing arms and are used for propping against the inner tooth connecting columns in a one-to-one correspondence mode, and the pressing blocks are provided with accommodating cavities which are easy to accommodate the upper parts of the inner tooth connecting columns.
3. A trailing arm inboard bracket welding jig as claimed in claim 2, wherein: the upper part of the inner tooth connecting column is spherical crown-shaped, and the accommodating cavity is matched with the upper part of the inner tooth connecting column.
4. A trailing arm inboard bracket welding jig as claimed in claim 2, wherein: the second pressing arm is provided with a plurality of strip through holes, the second clamping device further comprises a plurality of connecting bolts, and the connecting bolts are used for penetrating through the strip through holes in a one-to-one correspondence mode and are in threaded connection with the pressing blocks.
5. The trailing arm medial bracket welding jig of claim 1 wherein: the device comprises a base, a first supporting seat, a second supporting seat, a third supporting seat and a third clamping device, wherein the first supporting seat, the second supporting seat and the third supporting seat are sequentially arranged on the base at intervals from left to right, the second supporting seat is used for propping against the lower side of the middle part of the inner bracket of the dragging arm, the third supporting seat is used for propping against the lower side of the head of the inner bracket of the dragging arm, and the third clamping device comprises a third lever cylinder arranged on the base and a third pressing arm arranged at the output end of the third lever cylinder and used for clamping the head of the inner bracket of the dragging arm in cooperation with the third supporting seat.
6. The welding jig for a bracket on the inner side of a trailing arm according to claim 5, wherein: the first bearing seat is provided with a pair of first limiting blocks which are used for correspondingly limiting the front and rear sides of the tail part of the inner side bracket of the dragging arm, the second bearing seat is provided with a pair of second limiting blocks which are used for correspondingly limiting the front and rear sides of the middle part of the inner side bracket of the dragging arm, and the third bearing seat is provided with a pair of third limiting blocks which are used for correspondingly limiting the front and rear sides of the head part of the inner side bracket of the dragging arm.
7. The trailing arm medial bracket welding jig of claim 6 wherein: the middle part of the inner side bracket of the dragging arm is provided with a positioning through hole, and the second bearing seat is provided with a positioning plate which is used for penetrating through the positioning through hole and propping against the left edge of the positioning through hole.
8. The trailing arm medial bracket welding jig of claim 7 wherein: the locating plate upper portion is along deviating from the orientation slope setting up of locating through-hole left edge, locating plate lower part vertical setting and be used for with locating through-hole left edge offset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322095777.8U CN220698662U (en) | 2023-08-04 | 2023-08-04 | Welding fixture for inner side bracket of dragging arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322095777.8U CN220698662U (en) | 2023-08-04 | 2023-08-04 | Welding fixture for inner side bracket of dragging arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220698662U true CN220698662U (en) | 2024-04-02 |
Family
ID=90451207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322095777.8U Active CN220698662U (en) | 2023-08-04 | 2023-08-04 | Welding fixture for inner side bracket of dragging arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220698662U (en) |
-
2023
- 2023-08-04 CN CN202322095777.8U patent/CN220698662U/en active Active
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