CN112756892A - Positioning method suitable for body-in-white mechanism - Google Patents
Positioning method suitable for body-in-white mechanism Download PDFInfo
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- CN112756892A CN112756892A CN202110103403.9A CN202110103403A CN112756892A CN 112756892 A CN112756892 A CN 112756892A CN 202110103403 A CN202110103403 A CN 202110103403A CN 112756892 A CN112756892 A CN 112756892A
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- shaped
- connecting block
- limiting blocks
- blocks
- positioning
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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
- B23K37/0443—Jigs
Abstract
The invention discloses a positioning method suitable for a body-in-white mechanism, which comprises the following steps: when the device is used, the mounting plate is mounted on a white vehicle body production line, and the mounting plate is provided with the mounting seat and the vertical cylinder; the top of the vertical cylinder is provided with a connecting block; the middle part of the connecting block is provided with two convex limiting blocks which are vertical to each other in the direction, and the convex limiting blocks are matched with an H-shaped limiting block; two H-shaped limiting blocks are connected; one group of the convex limiting blocks and the H-shaped limiting blocks limit one L-shaped connecting block in the X direction, and the other group of the convex limiting blocks and the H-shaped limiting blocks limit one L-shaped connecting block in the Y direction; the height of the positioning pin is adjusted in the Z direction by the adjusting gasket; the method realizes the positioning pin for limiting three position degrees. The invention realizes that the three positions ensure the position of the positioning pin, realizes accurate limit, ensures the position of the positioning pin to be unchanged, realizes the positioning precision of the positioning pin, and has good repeatability of the double-guide-rod cylinder.
Description
Technical Field
The invention relates to the technical field of automobile body-in-white welding, in particular to a positioning method suitable for a body-in-white mechanism.
Background
In automotive body-in-white welding processes, the design of the fixtures in direct contact with their products is extremely important. The quality of the clamp design is an important index for evaluating the quality of one piece of equipment, and the production quality, efficiency and stability of a product can be directly determined.
The clamp unit is driven using a double-guide-rod cylinder. In the frequent telescopic movement of the double-guide-rod cylinder, after the guide rod is abraded, the position of the guide rod extending out of the positioning pin deviates, the deviation position is uncontrollable, the position degree of the positioning pin changes, the problems of poor positioning precision, poor repeatability precision and the like of the positioning pin are caused, and the process of the next procedure and the quality of the whole vehicle are influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a positioning method suitable for a body-in-white mechanism, and solves the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a positioning method suitable for a body-in-white mechanism is characterized by comprising the following steps: corresponding to the positioning pin double-limit positioning mechanism; the positioning pin double-limit positioning mechanism is connected with the existing clamp unit and is arranged on a white automobile body production line; the positioning pin double-limit positioning mechanism comprises a mounting plate mounted on a body-in-white production line, a mounting seat is arranged on the mounting plate, a vertical cylinder is mounted on the mounting seat, and the vertical cylinder is in transmission connection with a driving plate; the driving plate is provided with connecting blocks, the connecting blocks are provided with two L-shaped connecting blocks, and a double-limiting mechanism is arranged between the connecting blocks and the two L-shaped connecting blocks; the outer sides of the two L-shaped connecting blocks are fixedly connected with a clamp unit; a pin seat is arranged on one side of the connecting block, a positioning pin is arranged on the pin seat, and an adjusting gasket is arranged between the pin seat and the connecting block; the double-limiting device comprises two mounting holes arranged on the connecting block, a convex limiting block is respectively arranged in the two mounting holes, and the directions of the two convex limiting blocks are vertical; the upper part of each convex limiting block is provided with an H-shaped limiting block, and the directions of the two H-shaped limiting blocks are vertical; the upper end of the H-shaped limiting block is fixedly connected with the L-shaped connecting block;
the positioning method comprises the following steps:
when the device is used, the mounting plate is mounted on a white vehicle body production line, and the mounting plate is provided with the mounting seat and the vertical cylinder; the top of the vertical cylinder is provided with a connecting block; the middle part of the connecting block is provided with two convex limiting blocks which are vertical to each other in the direction, and the convex limiting blocks are matched with an H-shaped limiting block; two H-shaped limiting blocks are connected; one group of the convex limiting blocks and the H-shaped limiting blocks limit one L-shaped connecting block in the X direction, and the other group of the convex limiting blocks and the H-shaped limiting blocks limit one L-shaped connecting block in the Y direction; the height of the positioning pin is adjusted in the Z direction by the adjusting gasket; the method realizes the positioning pin for limiting three position degrees.
According to the optimized scheme, a double-guide-rod cylinder is adopted as the vertical cylinder; two guide rods of the double-guide-rod cylinder are connected with the driving plate together.
Due to the adoption of the technology, compared with the prior art, the invention has the beneficial effects that:
the invention provides a method, which can ensure the position of the positioning pin by three degrees of position, realize accurate limit, ensure the position of the positioning pin to be unchanged, realize the positioning precision of the positioning pin, and has the advantages of good repeatability of the double-guide-rod cylinder, uniform stress of the connecting block, compact integral structure and strong reliability.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
As shown in fig. 1, a positioning method for a body-in-white mechanism comprises the following specific steps: when the device is used, the mounting plate is mounted on a white vehicle body production line, and the mounting plate is provided with the mounting seat and the vertical cylinder; the top of the vertical cylinder is provided with a connecting block; the middle part of the connecting block is provided with two convex limiting blocks which are vertical to each other in the direction, and the convex limiting blocks are matched with an H-shaped limiting block; two H-shaped limiting blocks are connected; one group of the convex limiting blocks and the H-shaped limiting blocks limit one L-shaped connecting block in the X direction, and the other group of the convex limiting blocks and the H-shaped limiting blocks limit one L-shaped connecting block in the Y direction; the height of the positioning pin is adjusted in the Z direction by the adjusting gasket; the method realizes the positioning pin for limiting three position degrees.
The positioning method corresponds to the positioning pin double-limit positioning mechanism. The double-limiting positioning mechanism of the positioning pin is connected with the existing clamp unit and is installed on a white automobile body production line.
As shown in fig. 1, the positioning pin double-limit positioning mechanism comprises a mounting plate 11, a mounting seat 1 is arranged on the mounting plate 11, and a driving device is arranged on the mounting seat 1 and is vertically mounted. The driving device is a cylinder connecting block 2 installed on the installation base 1, and a vertical cylinder 10 is arranged on the cylinder connecting block 2. The vertical cylinder 10 is in transmission connection with the driving plate 8. The vertical cylinder adopts a double-guide-rod cylinder; two guide rods of the double-guide-rod cylinder are connected with the driving plate together. The drive plate 8 is provided with a connecting block 7, and the connecting block 7 is provided with two L-shaped connecting blocks 6. And a pin boss 3 is installed on one side of the connecting block 7, and a positioning pin 5 is installed on the pin boss 3. And an adjusting gasket 4 is arranged between the pin seat 3 and the connecting block 5. And a double limiting device is arranged between the L-shaped connecting block and the connecting block. The double-limiting device comprises two mounting holes which are arranged on the connecting block and are vertical to each other in direction, a convex limiting block 13 is arranged in each mounting hole, and an H-shaped limiting block 12 is arranged on the upper portion of each convex limiting block 13. The upper end of the H-shaped limiting block 13 is fixedly connected with the L-shaped connecting block.
The invention provides a method, which can ensure the position of the positioning pin by three position degrees, realize accurate limit, ensure the position of the positioning pin to be unchanged and realize the positioning precision of the positioning pin. The method provided by the patent is simple and concise, low in manufacturing cost, good in universality and worthy of popularization.
The invention also provides a specific structure aiming at the method, the structure adopts two groups of limiting devices and the connecting block to limit the positioning pin by three degrees of positions, so that accurate limiting is realized, the position of the positioning pin is ensured to be unchanged, the positioning precision of the positioning pin is realized, the repeatability of the double-guide-rod cylinder is good, the stress of the connecting block is uniform, the integral structure is compact, and the reliability is strong.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (2)
1. A positioning method suitable for a body-in-white mechanism is characterized by comprising the following steps: corresponding to the positioning pin double-limit positioning mechanism; the positioning pin double-limit positioning mechanism is connected with the existing clamp unit and is arranged on a white automobile body production line;
the positioning pin double-limit positioning mechanism comprises a mounting plate mounted on a body-in-white production line, a mounting seat is arranged on the mounting plate, a vertical cylinder is mounted on the mounting seat, and the vertical cylinder is in transmission connection with a driving plate; the driving plate is provided with connecting blocks, the connecting blocks are provided with two L-shaped connecting blocks, and a double-limiting mechanism is arranged between the connecting blocks and the two L-shaped connecting blocks; the outer sides of the two L-shaped connecting blocks are fixedly connected with a clamp unit; a pin seat is arranged on one side of the connecting block, a positioning pin is arranged on the pin seat, and an adjusting gasket is arranged between the pin seat and the connecting block;
the double-limiting device comprises two mounting holes arranged on the connecting block, a convex limiting block is respectively arranged in the two mounting holes, and the directions of the two convex limiting blocks are vertical; the upper part of each convex limiting block is provided with an H-shaped limiting block, and the directions of the two H-shaped limiting blocks are vertical; the upper end of the H-shaped limiting block is fixedly connected with the L-shaped connecting block;
the positioning method comprises the following steps:
when the device is used, the mounting plate is mounted on a white vehicle body production line, and the mounting plate is provided with the mounting seat and the vertical cylinder; the top of the vertical cylinder is provided with a connecting block; the middle part of the connecting block is provided with two convex limiting blocks which are vertical to each other in the direction, and the convex limiting blocks are matched with an H-shaped limiting block; two H-shaped limiting blocks are connected; one group of the convex limiting blocks and the H-shaped limiting blocks limit one L-shaped connecting block in the X direction, and the other group of the convex limiting blocks and the H-shaped limiting blocks limit one L-shaped connecting block in the Y direction; the height of the positioning pin is adjusted in the Z direction by the adjusting gasket; the method realizes the positioning pin for limiting three position degrees.
2. The method for positioning the body-in-white mechanism according to claim 1, wherein: the vertical cylinder adopts a double-guide-rod cylinder; two guide rods of the double-guide-rod cylinder are connected with the driving plate together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110103403.9A CN112756892A (en) | 2021-01-26 | 2021-01-26 | Positioning method suitable for body-in-white mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110103403.9A CN112756892A (en) | 2021-01-26 | 2021-01-26 | Positioning method suitable for body-in-white mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN112756892A true CN112756892A (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110103403.9A Pending CN112756892A (en) | 2021-01-26 | 2021-01-26 | Positioning method suitable for body-in-white mechanism |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001334422A (en) * | 2000-05-30 | 2001-12-04 | Honda Motor Co Ltd | Head pipe holding device of body frame for motorcycle |
| CN102672386A (en) * | 2012-03-31 | 2012-09-19 | 昆山华恒焊接股份有限公司 | Automatic positioning device for X frame |
| CN104889643A (en) * | 2015-05-22 | 2015-09-09 | 浙江吉利汽车研究院有限公司 | Automobile body-in-white welding positioning system |
| CN105057957A (en) * | 2015-09-09 | 2015-11-18 | 安徽江淮汽车股份有限公司 | Welding fixture and limiting structure thereof |
| CN210789793U (en) * | 2019-08-14 | 2020-06-19 | 上海燊星机器人科技有限公司 | Multifunctional clamping and positioning mechanism |
-
2021
- 2021-01-26 CN CN202110103403.9A patent/CN112756892A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001334422A (en) * | 2000-05-30 | 2001-12-04 | Honda Motor Co Ltd | Head pipe holding device of body frame for motorcycle |
| CN102672386A (en) * | 2012-03-31 | 2012-09-19 | 昆山华恒焊接股份有限公司 | Automatic positioning device for X frame |
| CN104889643A (en) * | 2015-05-22 | 2015-09-09 | 浙江吉利汽车研究院有限公司 | Automobile body-in-white welding positioning system |
| CN105057957A (en) * | 2015-09-09 | 2015-11-18 | 安徽江淮汽车股份有限公司 | Welding fixture and limiting structure thereof |
| CN210789793U (en) * | 2019-08-14 | 2020-06-19 | 上海燊星机器人科技有限公司 | Multifunctional clamping and positioning mechanism |
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Application publication date: 20210507 |