CN103862218A - Clamping device - Google Patents
Clamping device Download PDFInfo
- Publication number
- CN103862218A CN103862218A CN201210553846.9A CN201210553846A CN103862218A CN 103862218 A CN103862218 A CN 103862218A CN 201210553846 A CN201210553846 A CN 201210553846A CN 103862218 A CN103862218 A CN 103862218A
- Authority
- CN
- China
- Prior art keywords
- supporting plate
- clamping block
- backup pad
- clamping device
- lower supporting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
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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 relates to the field of a welding fixture and particularly discloses a clamping device. The clamping device comprises a supporting seat, a lower supporting plate, an upper supporting plate and a telescopic driving mechanism; the lower supporting plate is fixed on the supporting seat; one end of the lower supporting plate is rotatably connected with the upper supporting plate and the other end of the lower supporting plate is provided with a first lower clamping block; both ends of the telescopic driving mechanism are respectively connected with the lower supporting plate and the upper supporting plate; the upper supporting plate is provided with a spin chuck; the spin chuck is provided with a plurality of upper clamping blocks with different sizes; and the positions of the upper clamping blocks correspond to the positions of the first lower clamping blocks. According to the invention, universality of the clamping device on clamping and welding of parts with different heights; on the premise of ensuring part welding accuracy and part welding quality, the clamping device has a simple structure and is convenient to operate, the number of tools is reduced, an occupied space is small, influence on soldering plier operation is low, the welding repair operation is carried out a little, production cost is greatly reduced and production efficiency is effectively improved.
Description
Technical field
The present invention relates to weld jig field, relate in particular to a kind of clamping device that can freely switch different clamping modes.
Background technology
Weld jig is that the vehicle body of automobile needs a kind of important process equipment using in welding process, the effect of weld jig is mainly: body of a motor car is made up of the part of several sizes, shape and variable thickness sample, various parts need to connect to form vehicle body by welding, in welding process, part can produce the deviation of size, and be to solve the dimensional discrepancy that part produces in welding process, need in the time of welding, use on weld jig and carry out clamping and positioning, to guarantee the welding precision of part.
For existing weld jig, in the time that two highly different parts need clamp welding successively, owing to being subject to the big or small restriction of part clamping section bit position, need clamping and could realize good clamping and positioning successively by two cover weld jigs.But the locus that uses two cover weld jigs to take is larger, easily occurs interference problem, control operation inconvenience, manufacturing cost is higher.
Summary of the invention
(1) technical problem that will solve
The object of this invention is to provide a kind of clamping device, to overcome in prior art owing to need to adopting different weld jigs to clamp welding to the part of differing heights, the locus of causing weld jig to take is larger, easily there is interference problem, control operation inconvenience, the problem such as manufacturing cost is higher.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of clamping device, comprise supporting seat, lower supporting plate, upper backup pad and telescopic drive mechanism; Described lower supporting plate is fixed on supporting seat, and its one end and upper backup pad are rotatably connected, and its other end is provided with clamp first time; The two ends of described retractable driving device are connected with lower supporting plate and upper backup pad respectively; Described upper backup pad is provided with rotary chuck, and described rotary chuck is provided with the upper clamping block that multiple sizes are different, and the position of described upper clamping block is corresponding with the position of first time clamp.
Preferably, described rotary chuck comprises upper clamping block holder, rotary support, rotating shaft, spring, nut and pad; Described rotary support is fixed on upper backup pad, and described rotary support is provided with through hole, and described rotating shaft is through the through hole of rotary support, and its one end is connected with upper clamping block holder, and its other end is connected with spring; Described spring housing is on rotating shaft and between rotary support and nut, and described pad is between spring and nut; Described upper clamping block holder is prism-shaped, an one end face is connected with rotating shaft, the via openings place of described rotary support is provided with the groove corresponding with the end surface shape of upper clamping block holder, and described multiple upper clamping blocks are located on the side of prism-shaped upper clamping block holder.
Preferably, described upper clamping block holder is quadrangular shape, is respectively equipped with the first upper clamping block and the second upper clamping block on two relative side.
Preferably, described clamping device also comprises contiguous block, and rotary chuck is fixed on upper backup pad by described contiguous block.
Preferably, described retractable driving device is cylinder, and cylinder barrel and the lower supporting plate of described cylinder are rotatably connected, and piston rod and the upper backup pad of described cylinder are rotatably connected.
Preferably, the cylinder barrel of described cylinder is rotatably connected by bearing pin and lower supporting plate, and the end of the piston rod of described cylinder is provided with cylinder connection piece, and cylinder is rotatably connected by cylinder connection piece and bearing pin and upper backup pad.
Preferably, the middle part of described lower supporting plate is provided with second time clamp and the 3rd time clamp, described second time clamp is between first time clamp and the 3rd time clamp, described upper backup pad is provided with the 3rd upper clamping block, and the position of described the 3rd upper clamping block is corresponding with the position of the 3rd time clamp.
Preferably, the middle part of described lower supporting plate is provided with lower locating piece, and described upper backup pad is provided with locating piece, and the position of described upper locating piece is corresponding with the position of lower locating piece.
Preferably, described clamping device also comprises connecting cleat, and one end of described connecting cleat is fixed on upper backup pad, and the other end is rotatably connected by bearing pin and lower supporting plate, and lower supporting plate is rotatably connected by described connecting cleat and upper backup pad.
Preferably, described supporting seat comprises base and L shaped plate, and described L shaped plate is fixed on base, and described lower supporting plate is fixed in L shaped plate.
(3) beneficial effect
Clamping device of the present invention by arranging the upper clamping block of different size on rotary chuck, each upper clamping block can rotate switching, has realized the general of the clamping welding of clamping device to differing heights part, under making demands before assurance weld parts precision and weld parts quality, simple in structure, easy to operate, reduce number of tools, take up room little, the impact of butt welding tongs operation is little, repair welding operation is few, greatly reduces production cost, has effectively improved production efficiency.
Accompanying drawing explanation
Fig. 1 is the structure chart of the clamping device of the embodiment of the present invention;
Fig. 2 is the open mode schematic diagram in second upper clamping block when work of the embodiment of the present invention;
Fig. 3 is the clamped condition schematic diagram in second upper clamping block when work of the embodiment of the present invention;
Schematic diagram when Fig. 4 is embodiment of the present invention switching upper clamping block;
Fig. 5 is the clamped condition schematic diagram in first upper clamping block when work of the embodiment of the present invention.
In figure, 1: base; 2:L shape plate; 3: lower supporting plate; 4: the first times clamps; 5: the second times clamps; 6: the three times clamps; 7: the three upper clamping blocks; 8: the first upper clamping blocks; 9: upper clamping block holder; 10; The second upper clamping block; 11: rotary support; 12: spring; 13: pad; 14: nut; 15: rotating shaft; 16: contiguous block; 17: upper backup pad; 18: upper locating piece; 19: lower locating piece; 20: connecting cleat; 21: cylinder barrel; 22: cylinder connection piece; 23: piston rod.
The specific embodiment
Below in conjunction with drawings and Examples, embodiments of the present invention are described in further detail.Following examples are used for illustrating the present invention, but can not be used for limiting the scope of the invention.
Embodiment 1
As shown in Figure 1, the clamping device of the present embodiment comprises supporting seat, lower supporting plate 3, upper backup pad 17 and telescopic drive mechanism; Supporting seat comprises base 1 and L shaped plate 2, and L shaped plate 2 is fixed on base 1 by fastening bolt, and lower supporting plate 3 is fixed in L shaped plate 2 by fastening bolt, and one end of lower supporting plate 7 and upper backup pad 17 are rotatably connected, and its other end is provided with clamp 4 first time; Retractable driving device is selected cylinder, and the cylinder barrel 21 of cylinder is connected with lower support seat 3, and the piston rod 23 of cylinder is connected with upper support seat 17, and the junction of cylinder and lower support seat 3 and upper support seat 17 is all positioned near the junction of lower support seat 3 and upper support seat 17.
The course of work of rotary chuck is: the first upper clamping block 8 and the second upper clamping block 10 are passed forward with rotating shaft 15 by manpower, the root of upper clamping block holder 9 is released the groove of rotary support 11, again by upper clamping block holder 9 Rotate 180s °, then unclamp manpower upper clamping block holder 9 and rebound in the groove of rotary support 11 by the elastic force of spring 12, the switching of the first upper clamping block 8 and 10 two chucks of the second upper clamping block can clamp to the part of two differing heights it on a clamping device.The clamping and positioning that this clamping device adopts two cover clamping devices to realize than tradition, greatly save taking of butt welding tire locus, it uses operation more convenient, reduce different clamping devices, in the time clamping, part has been clamped to the deviation effects producing, simultaneously the clamping device of the present embodiment can freely switch and realizes generally, greatly saves cost of manufacture.
The cylinder barrel 21 of cylinder is rotatably connected by bearing pin and lower supporting plate 3, and the end of the piston rod 23 of cylinder is provided with cylinder connection piece 22, and cylinder is rotatably connected by cylinder connection piece 22 and bearing pin and upper backup pad 17.Above-mentioned cylinder is standard component, by flexible generation pulling force and the thrust of cylinder piston rod, upper backup pad 17 is rotated with respect to lower supporting plate 3.
The middle part of lower supporting plate 3 is also provided with second time clamp 5 and the 3rd time clamp 6, second time clamp 5 is between first time clamp 4 and the 3rd time clamp 6, it is corresponding with the position of the 3rd time clamp 6 that upper backup pad 17 is provided with the position of the 3rd upper clamping block 7, the three upper clamping blocks 7; Above-mentioned each clamp is all fixed on lower supporting plate 3 or upper backup pad 17 by fastening bolt, concrete shape, size and the position of each clamp all clamps the actual size of the part of welding as required to be determined, and the quantity of upper and lower clamp also can change according to actual conditions.
The middle part of lower supporting plate 3 is provided with lower locating piece 19, lower locating piece 19 is vee-block, lower locating piece 19 is between the junction and the 3rd time clamp 6 of lower supporting plate 3 and upper backup pad 17, and the junction near lower supporting plate 3 with upper backup pad 17, upper backup pad 17 is provided with locating piece 18, and the position of upper locating piece 18 is corresponding with the position of lower locating piece 19; Above-mentioned lower locating piece 19 and upper locating piece 18 are all fixed on lower supporting plate 3 or upper backup pad 17 by fastening bolt.Lower locating piece 19 and upper locating piece 18, for limiting the clamped position of clamping device, play protection and spacing effect.
The mode of being rotatably connected of lower supporting plate 3 and upper backup pad 17 can coordinate to realize by connecting cleat 20 and bearing pin, connecting cleat 20 is two boards, lay respectively at the both sides of lower supporting plate 3 and upper backup pad 17, one end of two boards is all fixed on upper backup pad 17, the other end is equipped with through hole, and is coordinated with lower supporting plate 3 and be rotatably connected by through hole and bearing pin.
Above-mentioned each parts can be Q235 steel and make by machined, and fastening bolt can be hexagon socket head cap screw, and described hexagon socket head cap screw is general part.
Each state of the present embodiment as shown in Figure 2-5, when the second upper clamping block 10 that wherein Fig. 2 is the present embodiment is worked, the schematic diagram of clamping device in open mode; Fig. 3 is second upper clamping block 10 of the present embodiment while working, the schematic diagram of clamping device in clamped condition; Fig. 4 is first upper clamping block 8 of the present embodiment and the second upper clamping block 10 schematic diagram while switching mutually; Fig. 5 is first upper clamping block 8 of the present embodiment while working, the intention that clamping device shows in clamped condition.
As shown in Figure 1, the difference of the clamping device of the present embodiment and embodiment 1 is: upper clamping block holder 9 is 3 prisms, and its each side is equipped with a upper clamping block, and the groove of corresponding rotary support is triangle; The rotary chuck of this kind of situation has the upper clamping block of three different sizes, but its cost of manufacture and manufacture difficulty are all greater than embodiment 1, so should select different types of rotary chuck according to the needs of actual conditions, in like manner, rotary chuck can also be provided with other quantity.
The concrete connected mode of the telescopic drive mechanism of the present embodiment and lower supporting plate 3 and upper backup pad 17 also can change, and material and the connected mode etc. of each parts also should be selected according to actual conditions.
Embodiments of the invention provide for example with for the purpose of describing, and are not exhaustively or limit the invention to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the present invention's design to be suitable for the various embodiment with various modifications of special-purpose.
Claims (10)
1. a clamping device, is characterized in that, comprises supporting seat, lower supporting plate (3), upper backup pad (17) and telescopic drive mechanism; Described lower supporting plate (3) is fixed on supporting seat, and its one end and upper backup pad (17) are rotatably connected, and its other end is provided with first time clamp (4); The two ends of described retractable driving device are connected with lower supporting plate (3) and upper backup pad (17) respectively; Described upper backup pad (17) is provided with rotary chuck, and described rotary chuck is provided with the upper clamping block that multiple sizes are different, and the position of described upper clamping block is corresponding with the position of first time clamp (4).
2. clamping device according to claim 1, is characterized in that, described rotary chuck comprises upper clamping block holder (9), rotary support (11), rotating shaft (15), spring (12), nut (14) and pad (13); Described rotary support (11) is fixed on upper backup pad (17), described rotary support (11) is provided with through hole, described rotating shaft (15) is through the through hole of rotary support (11), and its one end is connected with upper clamping block holder (9), and its other end is connected with spring (12); Described spring (12) is enclosed within rotating shaft (15) above and is positioned between rotary support (11) and nut (14), and described pad (13) is positioned between spring (12) and nut (14); Described upper clamping block holder (9) is prism-shaped, an one end face is connected with rotating shaft (15), the via openings place of described rotary support (11) is provided with the groove corresponding with the end surface shape of upper clamping block holder (9), and described multiple upper clamping blocks are located on the side of prism-shaped upper clamping block holder (9).
3. clamping device according to claim 2, is characterized in that, described upper clamping block holder (9) is quadrangular shape, is respectively equipped with the first upper clamping block (8) and the second upper clamping block (10) on two relative side.
4. clamping device according to claim 3, is characterized in that, described clamping device also comprises contiguous block (16), and rotary chuck is fixed on upper backup pad (17) by described contiguous block (16).
5. clamping device according to claim 1, it is characterized in that, described retractable driving device is cylinder, and the cylinder barrel (21) of described cylinder is rotatably connected with lower supporting plate (3), and the piston rod (23) of described cylinder is rotatably connected with upper backup pad (17).
6. clamping device according to claim 5, it is characterized in that, the cylinder barrel (21) of described cylinder is rotatably connected by bearing pin and lower supporting plate (3), the end of the piston rod (23) of described cylinder is provided with cylinder connection piece (22), and cylinder is rotatably connected by cylinder connection piece (22) and bearing pin and upper backup pad (17).
7. clamping device according to claim 1, it is characterized in that, the middle part of described lower supporting plate (3) is provided with second time clamp (5) and the 3rd time clamp (6), described second time clamp (5) is positioned between first time clamp (4) and the 3rd time clamp (6), described upper backup pad (17) is provided with the 3rd upper clamping block (7), and the position of described the 3rd upper clamping block (7) is corresponding with the position of the 3rd time clamp (6).
8. clamping device according to claim 1, it is characterized in that, the middle part of described lower supporting plate (3) is provided with lower locating piece (19), and described upper backup pad (17) is provided with locating piece (18), and the position of described upper locating piece (18) is corresponding with the position of lower locating piece (19).
9. clamping device according to claim 1, it is characterized in that, described clamping device also comprises connecting cleat (20), one end of described connecting cleat (20) is fixed on upper backup pad (17), the other end is rotatably connected by bearing pin and lower supporting plate (3), and lower supporting plate (3) is rotatably connected by described connecting cleat (20) and upper backup pad (17).
10. according to the clamping device described in any one in claim 1-9, it is characterized in that, described supporting seat comprises base (1) and L shaped plate (2), and it is upper that described L shaped plate (2) is fixed on base (1), and described lower supporting plate (3) is fixed in L shaped plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210553846.9A CN103862218B (en) | 2012-12-18 | 2012-12-18 | A kind of clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210553846.9A CN103862218B (en) | 2012-12-18 | 2012-12-18 | A kind of clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103862218A true CN103862218A (en) | 2014-06-18 |
| CN103862218B CN103862218B (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210553846.9A Active CN103862218B (en) | 2012-12-18 | 2012-12-18 | A kind of clamping device |
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| Country | Link |
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| CN (1) | CN103862218B (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269220A (en) * | 2015-12-01 | 2016-01-27 | 重庆大东汽车配件有限公司 | Pneumatic pressing arm type positioning mechanism |
| CN105269222A (en) * | 2015-12-01 | 2016-01-27 | 重庆大东汽车配件有限公司 | Pneumatic clamping mechanism for minibus welding fixture |
| CN105269216A (en) * | 2015-12-01 | 2016-01-27 | 重庆大东汽车配件有限公司 | Press arm type pressing structure for minibus welding |
| CN105269221A (en) * | 2015-12-01 | 2016-01-27 | 重庆大东汽车配件有限公司 | Positioning device used for minibus column D welding clamp |
| CN105269219A (en) * | 2015-12-01 | 2016-01-27 | 重庆大东汽车配件有限公司 | Double-compression mechanism for minibus tool |
| CN105290683A (en) * | 2015-12-01 | 2016-02-03 | 重庆大东汽车配件有限公司 | Pressing mechanism for microbus D column welding tool |
| CN105312821A (en) * | 2015-12-01 | 2016-02-10 | 重庆大东汽车配件有限公司 | Pressing arm positioning mechanism for welding of minibus |
| CN105312822A (en) * | 2015-12-01 | 2016-02-10 | 重庆大东汽车配件有限公司 | Clamping device for repair welding of minibus |
| CN105312825A (en) * | 2015-12-01 | 2016-02-10 | 重庆大东汽车配件有限公司 | Pneumatic pressing arm type positioning device for welding of minibus |
| CN105364370A (en) * | 2015-12-01 | 2016-03-02 | 重庆大东汽车配件有限公司 | Clamping structure of welding jig for minibuses |
| CN105364371A (en) * | 2015-12-01 | 2016-03-02 | 重庆大东汽车配件有限公司 | Pressing arm type clamping device of welding tool |
| CN105382460A (en) * | 2015-12-01 | 2016-03-09 | 重庆大东汽车配件有限公司 | Operating floor and reference positioning assembly |
| CN106091664A (en) * | 2016-08-05 | 2016-11-09 | 无锡市天龙装饰材料有限公司 | A kind of consolidated floor raw material stoving clamping device |
| CN108941836A (en) * | 2018-09-20 | 2018-12-07 | 珠海格力智能装备有限公司 | Welding positioning mechanism and pipe welding equipment with same |
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| KR100361916B1 (en) * | 1997-03-29 | 2003-10-17 | 기아자동차주식회사 | Clamping apparatus of jig for welding vehicle body |
| CN201970066U (en) * | 2010-12-15 | 2011-09-14 | 华中科技大学 | Three-dimensional adjustable welding positioning clamp |
| CN201913428U (en) * | 2010-12-31 | 2011-08-03 | 浙江吉利汽车有限公司 | Automatic pre-buckling device for pre-splicing automobile body in white |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269220A (en) * | 2015-12-01 | 2016-01-27 | 重庆大东汽车配件有限公司 | Pneumatic pressing arm type positioning mechanism |
| CN105269222A (en) * | 2015-12-01 | 2016-01-27 | 重庆大东汽车配件有限公司 | Pneumatic clamping mechanism for minibus welding fixture |
| CN105269216A (en) * | 2015-12-01 | 2016-01-27 | 重庆大东汽车配件有限公司 | Press arm type pressing structure for minibus welding |
| CN105269221A (en) * | 2015-12-01 | 2016-01-27 | 重庆大东汽车配件有限公司 | Positioning device used for minibus column D welding clamp |
| CN105269219A (en) * | 2015-12-01 | 2016-01-27 | 重庆大东汽车配件有限公司 | Double-compression mechanism for minibus tool |
| CN105290683A (en) * | 2015-12-01 | 2016-02-03 | 重庆大东汽车配件有限公司 | Pressing mechanism for microbus D column welding tool |
| CN105312821A (en) * | 2015-12-01 | 2016-02-10 | 重庆大东汽车配件有限公司 | Pressing arm positioning mechanism for welding of minibus |
| CN105312822A (en) * | 2015-12-01 | 2016-02-10 | 重庆大东汽车配件有限公司 | Clamping device for repair welding of minibus |
| CN105312825A (en) * | 2015-12-01 | 2016-02-10 | 重庆大东汽车配件有限公司 | Pneumatic pressing arm type positioning device for welding of minibus |
| CN105364370A (en) * | 2015-12-01 | 2016-03-02 | 重庆大东汽车配件有限公司 | Clamping structure of welding jig for minibuses |
| CN105364371A (en) * | 2015-12-01 | 2016-03-02 | 重庆大东汽车配件有限公司 | Pressing arm type clamping device of welding tool |
| CN105382460A (en) * | 2015-12-01 | 2016-03-09 | 重庆大东汽车配件有限公司 | Operating floor and reference positioning assembly |
| CN106091664A (en) * | 2016-08-05 | 2016-11-09 | 无锡市天龙装饰材料有限公司 | A kind of consolidated floor raw material stoving clamping device |
| CN106091664B (en) * | 2016-08-05 | 2018-05-08 | 无锡市天龙装饰材料有限公司 | A kind of consolidated floor raw material stoving clamping device |
| CN108941836A (en) * | 2018-09-20 | 2018-12-07 | 珠海格力智能装备有限公司 | Welding positioning mechanism and pipe welding equipment with same |
| CN108941836B (en) * | 2018-09-20 | 2024-01-30 | 珠海格力智能装备有限公司 | Welding positioning mechanism and pipe welding equipment with same |
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| Publication number | Publication date |
|---|---|
| CN103862218B (en) | 2015-12-09 |
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