CN109014752B - Positioning mechanism for top cover of vehicle body - Google Patents
Positioning mechanism for top cover of vehicle body Download PDFInfo
- Publication number
- CN109014752B CN109014752B CN201811286128.3A CN201811286128A CN109014752B CN 109014752 B CN109014752 B CN 109014752B CN 201811286128 A CN201811286128 A CN 201811286128A CN 109014752 B CN109014752 B CN 109014752B
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- China
- Prior art keywords
- clamping block
- base
- top cover
- main body
- fixed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
Abstract
The invention discloses a car body top cover positioning mechanism, comprising: a base; the sucker assembly is arranged on the inner side of the base; the clamping assembly comprises a clamp main body, a first clamping block and a second clamping block, the fixed end of the clamp main body is rotatably connected to the outer side of the base, the first clamping block is fixed at the force application end of the clamp main body, and the second clamping block is arranged on the base and is opposite to the first clamping block, so that the outer edge of the top cover is clamped between the first clamping block and the second clamping block. Compared with the prior art, the top cover splicing welding positioning device has the advantages that the sucker assembly and the clamping assembly are arranged on the base, after the lifting appliance descends in place, the sucker assembly exhausts to assist in fixing the top cover, the lifting appliance finishes grabbing and lifting, after the lifting appliance conveys the top cover to the car body to be spliced, the clamping assembly clamps the front side seam allowance of the top cover through the first clamping block and the second clamping block to finish the splicing welding positioning of the top cover, and therefore the positioning reliability of the top cover is improved.
Description
Technical Field
The invention relates to the technical field of vehicle body design, in particular to a vehicle body top cover positioning mechanism.
Background
In the design and manufacturing process of an automobile body, particularly in the field of commercial vehicles, the top cover of the automobile body is large in shape and size and poor in rigidity, and the local position of the top cover of the automobile body is mainly fixed by virtue of a sucker, so that the phenomenon of unstable positioning exists during welding, and the precision of the automobile body is deviated. And as an important component of the vehicle body, especially the tail area of the roof cover, the assembly precision of relevant parts such as a tail gate and the like and the attractiveness of the whole vehicle can be related. Therefore, the significance of ensuring the positioning accuracy of the top cover is extremely important.
Disclosure of Invention
The invention aims to provide a positioning mechanism for a top cover of a vehicle body, which can overcome the defects in the prior art and can improve the positioning accuracy and reliability of the top cover
The invention provides a vehicle body top cover positioning mechanism, which comprises:
a base;
the sucker assembly is arranged on the inner side of the base;
the clamping assembly comprises a clamp main body, a first clamping block and a second clamping block, the fixed end of the clamp main body is rotatably connected to the outer side of the base, the first clamping block is fixed at the force application end of the clamp main body, and the second clamping block is arranged on the base and is opposite to the first clamping block, so that the outer edge of the top cover is clamped between the first clamping block and the second clamping block.
In the vehicle body roof positioning mechanism, preferably, a driving cylinder is fixed on the base, and a distal end of a piston rod of the driving cylinder is connected to the clamp main body to drive the clamp main body to rotate.
The vehicle body roof positioning mechanism preferably comprises a sucker main body and a first mounting bracket, wherein the first mounting bracket is of an L-shaped structure, the sucker main body is fixed on the transverse edge section of the first mounting bracket, a plurality of first kidney-shaped grooves are vertically arranged on the longitudinal edge section of the first mounting bracket at intervals, and fastening bolts penetrate through the first kidney-shaped grooves and then are fixedly connected to the base.
The vehicle body roof positioning mechanism is characterized in that a connecting plate is fixed on the inner side of the base, a mounting seat is arranged at the bottom of the connecting plate, a limiting block and a third clamping block are arranged in the Y axial direction of the mounting seat, and a fourth clamping block is arranged in the X axial direction of the mounting seat.
The vehicle body roof positioning mechanism preferably comprises a limiting block fixedly mounted on the mounting seat through a second mounting bracket, the second mounting bracket is of an L-shaped structure, the limiting block is fixed on the transverse edge section of the second mounting bracket, a plurality of second kidney-shaped grooves are vertically arranged on the longitudinal edge section of the second mounting bracket at intervals, and fastening bolts penetrate through the second kidney-shaped grooves and then are fixedly connected to the mounting seat.
The vehicle body roof positioning mechanism as described above, preferably, an annunciator is installed in the X-axis direction of the mounting seat through a third mounting bracket, after the roof reaches a predetermined positioning position, the annunciator sends a signal of reaching the position, the third mounting bracket is of an L-shaped structure, the annunciator is fixed to a transverse side section of the third mounting bracket, a plurality of third kidney slots are vertically arranged on a longitudinal side section of the third mounting bracket at intervals, and fastening bolts penetrate through the third kidney slots and then are fixedly connected to the mounting seat.
In the vehicle body roof positioning mechanism, it is preferable that the base has a plurality of transfer blocks to which positioning pins are fixed.
Compared with the prior art, the top cover splicing welding positioning device has the advantages that the sucker assembly and the clamping assembly are arranged on the base, after the lifting appliance descends in place, the sucker assembly exhausts to assist in fixing the top cover, the lifting appliance finishes grabbing and lifting, after the lifting appliance conveys the top cover to the car body to be spliced, the clamping assembly clamps the front side seam allowance of the top cover through the first clamping block and the second clamping block to finish the splicing welding positioning of the top cover, and therefore the positioning reliability of the top cover is improved.
Drawings
FIG. 1 is an isometric view of the overall structure of the present invention;
fig. 2 is an exploded view of the present invention.
Description of reference numerals: 1-base, 2-sucker component, 3-clamping component, 4-clamp main body, 5-first clamping block, 6-second clamping block, 7-driving cylinder, 8-sucker main body, 9-first mounting bracket, 10-first kidney-shaped groove, 11-connecting plate, 12-mounting seat, 13-limiting block, 14-third clamping block, 15-fourth clamping block, 16-second mounting bracket, 17-second kidney-shaped groove, 18-third mounting bracket, 19-annunciator, 20-third kidney-shaped groove and 21-positioning pin.
Detailed Description
The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
As shown in fig. 1 and 2, an embodiment of the present invention provides a vehicle body roof positioning mechanism including:
the base 1 is formed into a plate surface structure similar to an L shape, the inner side of the base 1 is one side connected with a top cover lifting appliance, and the outer side of the base 1 is far away from one side of the top cover lifting appliance;
the sucker component 2 is arranged on the inner side of the base 1, and the sucker component 2 exhausts air to perform auxiliary top cover fixing;
the clamping assembly 3 comprises a clamp main body 4, a first clamping block 5 and a second clamping block 6, the structure of the clamp main body 4 is a conventional technical means in the prior art, details are not repeated here, the fixed end of the clamp main body 4 is rotatably connected to the outer side of the base 1, the first clamping block 5 is fixed at the force application end of the clamp main body 4, and the second clamping block 6 is arranged on the base 1 and is opposite to the first clamping block 5, so that the outer edge of the top cover is clamped between the first clamping block 5 and the second clamping block 6.
The clamping assembly is fixed on the rear side of the top cover lifting appliance and is of an immovable fixed structure, and the direct positioning is realized by utilizing the self mechanical gravity of the lifting appliance in the descending process.
Further, a driving cylinder 7 is fixed on the base 1, the tail end of a piston rod of the driving cylinder 7 is connected with the clamp main body 4 to drive the clamp main body 4 to rotate, when the top cover is carried to an automobile body by a lifting appliance, the driving cylinder 7 works, and the first clamping block 5 and the second clamping block 6 clamp a front end of the rear side of the top cover through the clamp main body 4, so that the lifting appliance is convenient and fast, and provides continuous and stable pressing force.
Further, sucking disc subassembly 2 includes sucking disc main part 8 and first installing support 9, first installing support 9 is L shape structure, sucking disc main part 8 is fixed in the horizontal side section of first installing support 9, vertical interval is equipped with a plurality of first kidney slots 10 on the vertical side section of first installing support 9, and fastening bolt passes fixed connection in behind the first kidney slot 10 on the base 1, can adjust the position of sucking disc main part 8 in the minizone like this to make sucking disc main part 8 can adapt to the top cap on multiple surface.
Further, a connecting plate 11 is fixed on the inner side of the base 1, a mounting seat 12 is arranged at the bottom of the connecting plate 11, a limiting block 13 and a third clamping block 14 are arranged in the Y-axis direction of the mounting seat 12, and a fourth clamping block 15 is arranged in the X-axis direction of the mounting seat 12. In this embodiment, the long side direction of definition top cap is X axial direction, and the minor face direction of definition top cap is Y axial direction, and stopper 13 plays the Y axial limiting displacement of top cap, and the third presss from both sides tight piece 14 and the border that the tight piece 15 of fourth clamp compressed tightly the top cap, and is diagonal position and compresses tightly, and it is better to compress tightly the effect, and the location is reliable and stable.
Further, the limiting block 13 is fixedly installed on the installation base 12 through a second installation support 16, the second installation support 16 is of an L-shaped structure, the limiting block 13 is fixed on the transverse side section of the second installation support 16, a plurality of second kidney-shaped grooves 17 are vertically arranged on the longitudinal side section of the second installation support 16 at intervals, and fastening bolts penetrate through the second kidney-shaped grooves 17 and then are fixedly connected to the installation base 12. Therefore, the position of the limiting block 13 can be adjusted within a small range, so that the limiting block 13 can adapt to top covers with various sizes.
Further, an annunciator 19 is installed on the mounting base 12 in the X-axis direction through a third mounting bracket 18, the annunciator 19 sends a location signal after the top cover reaches a predetermined location position, the third mounting bracket 18 is an L-shaped structure, the annunciator 19 is fixed to a transverse side section of the third mounting bracket 18, a plurality of third kidney-shaped grooves 20 are vertically arranged on a longitudinal side section of the third mounting bracket 18 at intervals, and fastening bolts penetrate through the third kidney-shaped grooves 20 and are fixedly connected to the mounting base 12. After the lifting appliance descends to the right position, the annunciator 19 senses that the lifting appliance runs to the right position and sends out a right-position signal.
Furthermore, a positioning pin 21 is fixed to the base 1 through a plurality of transfer blocks. The locating pin 21 is matched with a preformed hole in the top cover to realize locating.
The working process of the embodiment is as follows: after the lifting appliance descends to the right position, the annunciator 19 senses that the lifting appliance runs to the right position, and the positioning pin 21 automatically realizes positioning at the moment. Meanwhile, the sucking disc main body 8 exhausts to assist in fixing the top cover, and the limiting block 13, the third clamping block 14 and the fourth clamping block 15 respectively play roles in limiting the Y axis direction and the X axis direction of the top cover and compressing the top cover in the Z direction. At the moment, the lifting appliance finishes grabbing and lifting, when the lifting appliance conveys the top cover to the car body for splicing, the driving cylinder 7 extends immediately, and the first clamping block 5 and the second clamping block 6 clamp the front end of the back side of the top cover through the clamp main body 4. And the top cover welding positioning procedure is finished, the driving cylinder 7 is opened after the welding is finished, and the lifting appliance synchronously drives away.
The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.
Claims (3)
1. A vehicle body roof positioning mechanism, comprising:
a base;
the sucker assembly is arranged on the inner side of the base;
the clamping assembly comprises a clamp main body, a first clamping block and a second clamping block, the fixed end of the clamp main body is rotatably connected to the outer side of the base, the first clamping block is fixed at the force application end of the clamp main body, and the second clamping block is arranged on the base and is opposite to the first clamping block, so that the outer edge of the top cover is clamped between the first clamping block and the second clamping block; a connecting plate is fixed on the inner side of the base, an installation seat is arranged at the bottom of the connecting plate, a limiting block and a third clamping block are arranged in the Y-axial direction of the installation seat, and a fourth clamping block is arranged in the X-axial direction of the installation seat;
a driving cylinder is fixed on the base, and the tail end of a piston rod of the driving cylinder is connected with the clamp main body to drive the clamp main body to rotate;
the sucker assembly comprises a sucker main body and a first mounting bracket, the first mounting bracket is of an L-shaped structure, the sucker main body is fixed on a transverse edge section of the first mounting bracket, a plurality of first kidney-shaped grooves are vertically arranged on a longitudinal edge section of the first mounting bracket at intervals, and fastening bolts penetrate through the first kidney-shaped grooves and then are fixedly connected to the base;
the stopper pass through second installing support fixed mounting in on the mount pad, the second installing support is L shape structure, the stopper is fixed in the horizontal limit section of second installing support, vertical interval is equipped with a plurality of second kidney slots on the vertical limit section of second installing support, fastening bolt passes behind the second kidney slot fixed connection in on the mount pad.
2. The vehicle body roof positioning mechanism according to claim 1, characterized in that: the X axial direction of mount pad is through the third installing support install the annunciator, after the top cap reachd set positioning position, the annunciator sends the signal that targets in place, the third installing support is L shape structure, the annunciator is fixed in the horizontal side section of third installing support, perpendicular interval is equipped with a plurality of third kidney slots on the vertical side section of third installing support, fastening bolt pass behind the third kidney slot fixed connection in on the mount pad.
3. The vehicle body roof positioning mechanism according to claim 1, characterized in that: and the base is fixedly provided with a positioning pin through a plurality of transfer blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286128.3A CN109014752B (en) | 2018-10-31 | 2018-10-31 | Positioning mechanism for top cover of vehicle body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286128.3A CN109014752B (en) | 2018-10-31 | 2018-10-31 | Positioning mechanism for top cover of vehicle body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109014752A CN109014752A (en) | 2018-12-18 |
| CN109014752B true CN109014752B (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811286128.3A Active CN109014752B (en) | 2018-10-31 | 2018-10-31 | Positioning mechanism for top cover of vehicle body |
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| CN (1) | CN109014752B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3590946B2 (en) * | 1999-05-24 | 2004-11-17 | 住友重機械工業株式会社 | Multi-degree-of-freedom processing stage equipment |
| CN203664921U (en) * | 2014-01-26 | 2014-06-25 | 安徽江淮汽车股份有限公司 | Laser welding and positioning device of body in white |
| MX2017002403A (en) * | 2014-08-29 | 2017-05-17 | Nippon Steel & Sumitomo Metal Corp | Joining structure. |
| CN105618988A (en) * | 2016-03-31 | 2016-06-01 | 奇瑞汽车股份有限公司 | White car body top cover self-positioning tool |
| CN107175408B (en) * | 2017-07-04 | 2023-05-05 | 华工法利莱切焊系统工程有限公司 | Flexible gripper for body-in-white top cover assembly welding and body-in-white top cover conveying system |
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2018
- 2018-10-31 CN CN201811286128.3A patent/CN109014752B/en active Active
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| CN109014752A (en) | 2018-12-18 |
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Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 No. 669 Shixin Road, Taohua Industrial Park, Hefei City, Anhui Province Applicant before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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