CN105057957A - Welding fixture and limiting structure thereof - Google Patents
Welding fixture and limiting structure thereof Download PDFInfo
- Publication number
- CN105057957A CN105057957A CN201510572005.6A CN201510572005A CN105057957A CN 105057957 A CN105057957 A CN 105057957A CN 201510572005 A CN201510572005 A CN 201510572005A CN 105057957 A CN105057957 A CN 105057957A
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- CN
- China
- Prior art keywords
- limited block
- limiting structure
- position limiting
- limiting
- template
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Classifications
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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
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a welding fixture and a limiting structure thereof. The limiting structure comprises a positioning pin located above a pressing arm and a U-shaped limiting assembly installed between the pressing arm and a template. The limiting direction of the U-shaped limiting assembly is the X direction the same as the clamping direction of a workpiece. The limiting structure further comprises a square air cylinder. A first Y-direction limiting block is installed on a telescopic rod of the square air cylinder. A second Y-direction limiting block is installed on the template. A first V-shaped groove is formed in the first Y-direction limiting block. A first V-shaped protrusion is arranged on the second Y-direction limiting block and matched with the first V-shaped groove for limiting. The limiting directions of the first V-shaped protrusion and the first V-shaped groove are the Y direction perpendicular to the clamping direction of the workpiece. Thus, through the Y-direction limiting structure, the limiting performance is improved, the pressing arm is prevented from swinging, the distance between the positioning pin and the limiting structure is shortened, and the positioning accuracy of the positioning pin is improved.
Description
Technical field
The present invention relates to clamp art, particularly relate to a kind of position limiting structure for soldering cramping apparatus.The invention still further relates to a kind of soldering cramping apparatus comprising above-mentioned position limiting structure.
Background technology
Soldering cramping apparatus is automobile body welding frock, and it has the effect ensureing that welding product shape and size require, improve operation convenience and increase work efficiency in welding process.For ensureing that fixture briquetting compresses accuracy and the uniformity of location, avoiding the excessive plate distortion caused of cylinder pressure, needing the position limiting structure arranged on fixture.
As depicted in figs. 1 and 2, existing fixture position limiting structure 11 comprises the first limited block 111 be installed on fixture template 12, with the second limited block 112 be installed on fixture pressure arm 13, first limited block has U-shaped projection, second limited block offers U-type groove, in the course of the work, U-shaped projection coordinates the contact realized in pressure arm clamping process spacing with U-type groove; Fixture position limiting structure also comprises the alignment pin being positioned at pressure arm upper end, realizes resetting by alignment pin.But due to fixture pressure arm usual longer (being about 360mm), be located thereon distant (being about 300mm) of alignment pin distance two limited blocks of end, alignment pin repetitive positioning accuracy cannot be guaranteed; Further, two limited blocks only have the position-limiting action of X-direction, pressure arm can be caused to rock owing to lacking Y-direction location.
Therefore, provide a kind of position limiting structure for soldering cramping apparatus, to spacing performance can be improved, avoid pressure arm to shake, improve the positioning precision of alignment pin, just become those skilled in the art's problem demanding prompt solution.
Summary of the invention
The object of this invention is to provide a kind of position limiting structure for soldering cramping apparatus, to spacing performance can be improved, avoid pressure arm to shake, improve the positioning precision of alignment pin.Another object of the present invention is to provide a kind of soldering cramping apparatus comprising above-mentioned position limiting structure.
To achieve these goals, the invention provides a kind of position limiting structure for soldering cramping apparatus, comprise alignment pin above pressure arm and installation and the U-shaped limit assembly between described pressure arm and template, the spacing direction of described U-shaped limit assembly be the X identical with Workpiece clamping direction to; Also comprise square cylinder, the expansion link of described square cylinder is provided with the first Y-direction limited block, described template is provided with the second Y-direction limited block, described first Y-direction limited block offers the first V-type groove, described second Y-direction limited block has the first V-type protruding, described first V-type is protruding spacing with described first V-type slot fit, and both spacing directions are the Y-direction perpendicular to described Workpiece clamping direction.
Preferably, the expansion link of described square cylinder is also provided with an X to limited block, described template is also provided with the 2nd X to limited block, a described X offers the second V-type groove to limited block, it is protruding that described 2nd X has the second V-type on limited block, described second V-type is protruding spacing with described second V-type slot fit, and both spacing directions be described X to.
Preferably, also comprise keyset, described first Y-direction limited block and an X are all installed on described expansion link by described keyset to limited block.
Preferably, described square cylinder is two guide rod square cylinders.
The present invention also provides a kind of soldering cramping apparatus, and comprise pressure arm, template and be installed on the position limiting structure on described pressure arm and described template, described position limiting structure is position limiting structure as above.
Position limiting structure provided by the present invention is used for soldering cramping apparatus, this position limiting structure comprises alignment pin above pressure arm and installation and the U-shaped limit assembly between described pressure arm and template, the spacing direction of described U-shaped limit assembly be the X identical with Workpiece clamping direction to; This position limiting structure also comprises square cylinder, the expansion link of described square cylinder is provided with the first Y-direction limited block, described template is provided with the second Y-direction limited block, described first Y-direction limited block offers the first V-type groove, described second Y-direction limited block has the first V-type protruding, described first V-type is protruding spacing with described first V-type slot fit, and both spacing directions are the Y-direction perpendicular to described Workpiece clamping direction.
In the course of the work, square cylinder is action first, drives the first Y-direction limited block horizontal movement of expansion link front end, stops action when the first V-type groove of the first Y-direction limited block matches with the first V-type projection of the second Y-direction limited block; After on workpiece, part completes, the action of cubing cylinder, drives pressure arm to turn to when U-shaped limit assembly is in position location and stops action; Like this, by arranging Y-direction position limiting structure, improve spacing performance, avoiding pressure arm and shaking, shorten the distance between alignment pin and position limiting structure simultaneously, improve the positioning precision of alignment pin.
In a preferred embodiment, in position limiting structure provided by the present invention, the expansion link of its square cylinder is also provided with an X to limited block, described template is also provided with the 2nd X to limited block, a described X offers the second V-type groove to limited block, it is protruding that described 2nd X has the second V-type on limited block, and described second V-type is protruding spacing with described second V-type slot fit, and both spacing directions be described X to; Like this, set up X at square cylinder place to spacing, further increase limit accuracy and reliability.
In another preferred embodiment, position limiting structure provided by the present invention also comprises keyset, described first Y-direction limited block and an X are all installed on described expansion link by described keyset to limited block, to simplify the mounting structure of two limited blocks and expansion link, reduce installation difficulty, improve installation reliability and convenience.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of soldering cramping apparatus in prior art;
Fig. 2 is the schematic diagram of position limiting structure in soldering cramping apparatus shown in Fig. 1;
Fig. 3 is the axonometric drawing of a kind of detailed description of the invention of soldering cramping apparatus provided by the present invention;
Fig. 4 is the front view of soldering cramping apparatus shown in Fig. 3;
Fig. 5 is the partial enlarged drawing of soldering cramping apparatus shown in Fig. 3;
Fig. 6 is the schematic diagram of position limiting structure in soldering cramping apparatus shown in Fig. 3.
Description of reference numerals:
In Fig. 1-Fig. 2: 11-fixture position limiting structure 111-first limited block 112-second limited block
12-fixture template 13-fixture pressure arm
In Fig. 3-Fig. 6: 2-pressure arm 3-alignment pin 4-template 5-U type limit assembly
6-square cylinder 7-first Y-direction limited block 8-second Y-direction limited block
9-the one X is to limited block 10-the 2nd X to limited block 101-keyset
102-L seat 103-locating piece 104-rotating shaft otic placode 106-cubing cylinder
Detailed description of the invention
Core of the present invention is to provide a kind of position limiting structure for soldering cramping apparatus, to improving spacing performance, avoids pressure arm to shake, and improves the positioning precision of alignment pin.Another core of the present invention is to provide a kind of soldering cramping apparatus comprising above-mentioned position limiting structure.
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with accompanying drawing, the present invention is further detailed.
Please refer to Fig. 3-Fig. 6, in a kind of detailed description of the invention, position limiting structure provided by the present invention is used for soldering cramping apparatus, this position limiting structure comprises alignment pin 3 above pressure arm 2 and installs and U-shaped limit assembly 5 between described pressure arm 2 and template 4, the spacing direction of described U-shaped limit assembly 5 be the X identical with Workpiece clamping direction to; This position limiting structure also comprises square cylinder 6, the expansion link of described square cylinder 6 is provided with the first Y-direction limited block 7, described template 4 is provided with the second Y-direction limited block 8, described first Y-direction limited block 7 offers the first V-type groove, described second Y-direction limited block 8 has the first V-type protruding, described first V-type is protruding spacing with described first V-type slot fit, and both spacing directions are the Y-direction perpendicular to described Workpiece clamping direction.
Should be understood that, the direction that " X to " described in literary composition is Workpiece clamping, " Y-direction " is vertical and Workpiece clamping direction perpendicular to the direction of clamp cylinder telescopic direction.
In the course of the work, square cylinder 6 first action, drives the first Y-direction limited block 7 horizontal movement of expansion link front end, stops action when the first V-type groove of the first Y-direction limited block 7 matches with the first V-type projection of the second Y-direction limited block 8; After on workpiece, part completes, cubing cylinder 106 action, drives pressure arm 2 to turn to when U-shaped limit assembly 5 is in position location and stops action; Like this, by arranging Y-direction position limiting structure, improve spacing performance, avoiding pressure arm 2 and shaking, shortening the distance between alignment pin 3 and position limiting structure simultaneously, improve the positioning precision of alignment pin 3.
Further, the expansion link of above-mentioned square cylinder 6 is also provided with an X to limited block 9, described template 4 is also provided with the 2nd X to limited block 10, a described X offers the second V-type groove to limited block 9, it is protruding that described 2nd X has the second V-type on limited block 10, described second V-type is protruding spacing with described second V-type slot fit, and both spacing directions be described X to; Like this, set up X to spacing at square cylinder 6 place, further increase limit accuracy and reliability.
Position limiting structure provided by the present invention also comprises keyset 101, described first Y-direction limited block 7 and an X are all installed on described expansion link by described keyset 101 to limited block 9, to simplify the mounting structure of two limited blocks and expansion link, reduce installation difficulty, improve installation reliability and convenience.
In order to ensure enough large contractility, improve contractility uniformity, this square cylinder 6 is two guide rod square cylinders.
Except above-mentioned position limiting structure, the present invention also provides a kind of soldering cramping apparatus comprising above-mentioned position limiting structure, except structures such as pressure arm 2 provided above, U-shaped limit assembly 5, templates 4, this weld jig also should comprise other the necessary structures realizing using function, the structures such as such as Building L 102, locating piece 103, rotating shaft otic placode 104, wherein, Building L and fixture substrate are connected and fixed, template 4 is fixed on Building L, pressure arm 2 is connected with template 4 by rotating shaft otic placode, and cubing cylinder, locating piece are connected with template 4 by transfer block.
Upper describes some one exemplary embodiment of the present invention by the mode illustrated, undoubtedly, for those of ordinary skill in the art, when without departing from the spirit and scope of the present invention, can revise described embodiment by various different mode.Therefore, above-mentioned accompanying drawing is illustrative with being described in essence, should not be construed as the restriction to the claims in the present invention protection domain.
Claims (5)
1. the position limiting structure for soldering cramping apparatus, comprise the alignment pin (3) and installation and U-shaped limit assembly (5) between described pressure arm (2) and template (4) that are positioned at pressure arm (2) top, the spacing direction of described U-shaped limit assembly (5) be the X identical with Workpiece clamping direction to; It is characterized in that, also comprise square cylinder (6), the expansion link of described square cylinder (6) is provided with the first Y-direction limited block (7), described template (4) is provided with the second Y-direction limited block (8), described first Y-direction limited block (7) offers the first V-type groove, described second Y-direction limited block (8) has the first V-type protruding, described first V-type is protruding spacing with described first V-type slot fit, and both spacing directions are the Y-direction perpendicular to described Workpiece clamping direction.
2. position limiting structure according to claim 1, it is characterized in that, the expansion link of described square cylinder (6) is also provided with an X to limited block (9), described template (4) is also provided with the 2nd X to limited block (10), a described X offers the second V-type groove to limited block (9), it is protruding that described 2nd X has the second V-type on limited block (10), described second V-type is protruding spacing with described second V-type slot fit, and both spacing directions be described X to.
3. position limiting structure according to claim 2, it is characterized in that, also comprise keyset (101), described first Y-direction limited block (7) and an X are all installed on described expansion link by described keyset (101) to limited block (9).
4. position limiting structure according to claim 3, is characterized in that, described square cylinder (6) is two guide rod square cylinders.
5. a soldering cramping apparatus, comprise pressure arm (2), template (4) and be installed on described pressure arm (2) and the position limiting structure on described template (4), it is characterized in that, described position limiting structure is the position limiting structure as described in any one of claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510572005.6A CN105057957B (en) | 2015-09-09 | 2015-09-09 | A kind of soldering cramping apparatus and position limiting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510572005.6A CN105057957B (en) | 2015-09-09 | 2015-09-09 | A kind of soldering cramping apparatus and position limiting structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105057957A true CN105057957A (en) | 2015-11-18 |
| CN105057957B CN105057957B (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510572005.6A Active CN105057957B (en) | 2015-09-09 | 2015-09-09 | A kind of soldering cramping apparatus and position limiting structure thereof |
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| Country | Link |
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| CN (1) | CN105057957B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108032023A (en) * | 2017-12-06 | 2018-05-15 | 安徽江淮汽车集团股份有限公司 | A kind of clamping tool of U-shaped part |
| CN108788596A (en) * | 2018-06-06 | 2018-11-13 | 芜湖安韬谱自动化有限公司 | A kind of apparatus for welding and positioning for automobile metal plate work |
| CN112756892A (en) * | 2021-01-26 | 2021-05-07 | 上海天永智能装备股份有限公司 | Positioning method suitable for body-in-white mechanism |
-
2015
- 2015-09-09 CN CN201510572005.6A patent/CN105057957B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108032023A (en) * | 2017-12-06 | 2018-05-15 | 安徽江淮汽车集团股份有限公司 | A kind of clamping tool of U-shaped part |
| CN108032023B (en) * | 2017-12-06 | 2019-06-28 | 安徽江淮汽车集团股份有限公司 | A kind of clamping tool of U-shaped part |
| CN108788596A (en) * | 2018-06-06 | 2018-11-13 | 芜湖安韬谱自动化有限公司 | A kind of apparatus for welding and positioning for automobile metal plate work |
| CN108788596B (en) * | 2018-06-06 | 2023-09-26 | 芜湖安韬谱智能装备股份有限公司 | Welding positioning device for automobile sheet metal parts |
| CN112756892A (en) * | 2021-01-26 | 2021-05-07 | 上海天永智能装备股份有限公司 | Positioning method suitable for body-in-white mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105057957B (en) | 2016-08-31 |
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automotive Co., Ltd. |