CN106112349A - A kind of clamping tool - Google Patents
A kind of clamping tool Download PDFInfo
- Publication number
- CN106112349A CN106112349A CN201610641547.9A CN201610641547A CN106112349A CN 106112349 A CN106112349 A CN 106112349A CN 201610641547 A CN201610641547 A CN 201610641547A CN 106112349 A CN106112349 A CN 106112349A
- Authority
- CN
- China
- Prior art keywords
- clamping
- workpiece
- clamping tool
- pressure head
- hold
- 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.)
- Granted
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Classifications
-
- 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
-
- 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
- B23K2101/24—Frameworks
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The present invention relates to a kind of clamping tool, including two chucks being oppositely arranged, each described chuck is equipped with elastic compression unit, elastic compression unit has the workpiece pushing tow face being oppositely arranged；Compared with prior art, when using frock of the present invention to be clamped the overall size bigger workpiece of difference, the elastic deformation of flexible member can inhale the error of the contour accuracy compensating workpiece, it is possible to preferably clamps workpiece, improves the efficiency of work.
Description
Technical field
The present invention relates to a kind of clamping tool.
Background technology
At present, the most commonly used robotic welding technology of the welding of Bus Frame.Owing to seat channel-section steel typically uses thickness
Plate roller system, is limited by processing technique, and the channel-section steel processed often there is problems in that the contour accuracy of (1) part is difficult to ensure that,
The particularly width dimensions b of channel-section steel is difficult to ensure that, as shown in Figure 1；(2) homogeneity of product is bad.
But, when using robotic welding technology that Bus Frame is welded, it is desirable to welded part meets more accurate
Positioning precision, but the existence of the problems referred to above causes the biggest difficulty to the design and use of weld jig, if using existing
Fixture, the fixed setting in two chucks on fixture, another can lead to relative to the clamping head being fixedly installed
Overregulating bolt makes it rotate；When fixture is in clamping position, on the premise of the overall size of chuck is constant, between two chucks
The size of the workpiece that can clamp is fixed, for the workpiece that some contour accuracies are poor, existing clamp system not only without
Method meets the clamping demand of same channel-section steel diverse location, also cannot meet the clamping demand of different channel-section steel, therefore, it is difficult to realize
Weld clamp, needs repeatedly to be adjusted fixture, has had a strong impact on the welding efficiency of Bus Frame.
Summary of the invention
It is an object of the invention to provide a kind of clamping tool, during in order to solve existing clamp workpiece, work efficiency is relatively
Low problem.
For achieving the above object, the technical scheme of a kind of clamping tool of the present invention is:
A kind of clamping tool, including two chucks being oppositely arranged, each described chuck is equipped with elastic compression unit, elastic pressure
Tight unit has the workpiece pushing tow face being oppositely arranged.
Institute's clamping tool is the synchronous clamping device of chuck synchronous clamping and synchronous release.
Described synchronous clamping device includes base, and base is hinged with L-shaped connecting lever, and described L-shaped connecting lever includes being provided with elasticity
The clamping section of compressing unit, also includes the supporting part of layout L-shaped with clamping section, and supporting part overhangs towards the inner side of clamping section,
It is provided with workpiece support between two L-shaped connecting levers, when clamping tool is in clamping position, supports the supporting surface of seat and the top of supporting part
Portion is concordant.
The end of described supporting part is provided with smooth projection.
Described elastic compression unit is polyurethane compact heap.
The lower section of described workpiece support is additionally provided with regulation pad.
Also including that double leval jib hold-down mechanism, double leval jib hold-down mechanism have pressure head, the compaction direction of pressure head is towards supporting seat
Supporting surface.
Described pressure head is adjustably arranged in pressure head mounting seat along its compaction direction position.
Pressure head is to be formed by the head of hold-down bolt, and the bar portion of hold-down bolt is located in the screwed hole in pressure head mounting seat
In, hold-down bolt is provided with stop nut in the both sides of screwed hole.
The invention has the beneficial effects as follows: on two chucks in frock of the present invention, be equipped with elastic compression unit, use this
When frock is to Workpiece clamping, the elastic deformation of flexible member can inhale the error of the contour accuracy compensating workpiece, while clamping
It also is able to realize the centering of workpiece, compared to prior art, saves the time changing frock, it is possible to preferably clamp workpiece,
Improve the efficiency of work.
Further, double leval jib hold-down mechanism and the pressure head mounting seat being arranged on hold-down mechanism, pressure head mounting seat are also included
On equipped with pressure head, the work that pressure head compresses can drive two L-shaped connecting levers to the action rotating clamping in the direction of clamping workpiece, one
Individual action realizes being fixedly clamped in workpiece in both directions.
Further, also include the adjustment pad being arranged between workpiece and base, on the one hand can by this adjustment pad
Regulate held workpiece can also realize two L-shaped relative to the relative position with the workpiece of this work pieces mate, another aspect
The connecting lever regulation to the clamping force of workpiece.
Further, described pressure head and pressure head mounting seat, realize adjustable connection by helicitic texture, make frock energy of the present invention
Enough it is applicable to the workpiece of more different-thickness.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the workpiece in the specific embodiment of the clamping device of the present invention；
Fig. 2 is the structural representation of the specific embodiment of the clamping device of the present invention；
Fig. 3 is the structural representation during use state of the specific embodiment of the clamping device of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the present invention are described further.
The specific embodiment of a kind of clamping device of the present invention, as shown in Figure 2 to Figure 3, including base 1, the left side of base 1
It is provided with pair of L-shaped connecting lever 4, two L-shaped connecting lever 4 symmetrical expression distributions, and is articulated and connected in base 1 by the first bearing pin 7 respectively, L-shaped
The top of connecting lever 4 aid the border areas for contact with the side of workpiece 6 coordinate clamping section, the lower section of L-shaped connecting lever 4 aid the border areas for work
The supporting part that the bottom supporting of part 6 coordinates, the clamping section on two L-shaped connecting levers 4 is respectively equipped with the bullet being made up of polyurethane material
Property cushion block 5, the end of the supporting part on two L-shaped connecting levers 4 is respectively equipped with the lobe smoothed for contacting with the bottom surface of workpiece.
The right side of base 1 is provided with hold-down mechanism, and hold-down mechanism is quadric chain, including bearing 8, action bars 14, connecting rod
15, depression bar 9, pressure head 11 and pressure head mounting seat 16, bearing 8 and the fixed connection of base 1, bearing 8 is hinged with one end of depression bar 9,
Passing through connecting rod 15 in the middle part of action bars 14 hinged with depression bar 9, the lower end of action bars 14 is hinged with bearing 8, and the afterbody of action bars 14 sets
Having handle 13, pressure head 11 to be formed by the head of hold-down bolt, pressure head 11 is installed on pressing head seat 16, installs in pressure head 11 seaming chuck
The both sides of the screwed hole of seat 16 are provided with loosens nut, and during use, turning handle 13 can control the pressure down of the pressure head 11 on depression bar 9
Carry on or, it is achieved to the clamping of workpiece or unclamp, during clamping, rely on dead point to keep clamping.Certainly, quadric chain is passed through
Realizing compressing is prior art, and quadric chain could alternatively be multi-form of the prior art.It is capable of compressing.
On base 1, the position between two L-shaped connecting levers 4 is provided with workpiece support, and described workpiece support is that upper surface is
The stationary positioned block 2 of supporting surface, is first placed on workpiece 6 between the clamping section on two L-shaped connecting levers 4, turning handle 13, time pressure
Pressure head 11 on bar 9 is pressed downward against clamping of workpieces 6, and the lower mutually of workpiece 6 moves, the bottom surface of workpiece 6 and the supporting section of two L-shaped connecting levers 4
On lobe contact, the clamping section on two L-shaped connecting levers 4 respectively to clamping workpiece 6 direction rotate, workpiece 6 is clamped
Fixing, after workpiece 6 contacts with the supporting surface on stationary positioned block 2, workpiece 6 stops moving down, and now, workpiece 6 is simultaneously in left and right
It is clamped fixing on direction and above-below direction；The elasticity of elastic cushion block 5 can make up the size between the two sides on workpiece 6 by mistake
Difference, provides reliable grip, and the surface of workpiece 6 will not be caused scuffing workpiece 6, and, due to the clamping of two L-shaped connecting levers
Be equipped with elastic cushion block 5 in portion, during clamping, the deformation extent of two elastic cushion blocks 5 always, to workpiece 6 to workpiece 6 clamping
Simultaneously, it is achieved the centering to workpiece 6.
The lower section of stationary positioned block 2 is provided with adjustment pad 3, by changing the quantity adjusting pad 3 or can change not
The mode adjusting pad of stack pile regulates the position of workpiece 6 in the vertical direction, as it is shown on figure 3, can be adjusted by regulation pad 3
Relative position between joint workpiece 6 and workpiece 14, and in this way, it is also possible to realize two L-shaped connecting levers 4 and workpiece 6
Between the regulation of clamping force, the bigger deformation on the workpiece caused because clamping force is excessive.
In other embodiments of a kind of clamping device of the present invention, the bottom of L-shaped connecting lever can also be not provided with lobe,
And it is directly disposed as planar structure.
In other embodiments of a kind of clamping device of the present invention, elastic cushion block can also use other elastic material
Material, such as elastomeric material.
In other embodiments of a kind of clamping device of the present invention, it is also possible to be not provided with bearing, directly by depression bar and behaviour
Make bar hinged with base respectively.
In other embodiments of a kind of clamping device of the present invention, it is also possible to pressure head is directly welded on depression bar.
In other embodiments of a kind of clamping device of the present invention, it is also possible to be not provided with stationary positioned block, workpiece is straight
Connect and be clipped between two L-shaped connecting levers, utilize the frictional force between workpiece and clamping block to fix workpiece.
In other embodiments of a kind of clamping device of the present invention, it is also possible to be not provided with regulating pad, regulation pad is used
Adjust workpiece position in the vertical direction and the regulation two L-shaped connecting levers clamping force to workpiece.
In other embodiments of a kind of clamping device of the present invention, hold down gag can also replace with other forms, example
Such as compression cylinder.
Claims (9)
1. a clamping tool, including two chucks being oppositely arranged, it is characterised in that: it is equipped with elastic pressure on each described chuck
Tight unit, elastic compression unit has the workpiece pushing tow face being oppositely arranged.
A kind of clamping tool the most according to claim 1, it is characterised in that: institute's clamping tool be chuck synchronous clamping and with
The synchronous clamping device of step release.
A kind of clamping tool the most according to claim 2, it is characterised in that: described synchronous clamping device includes base, the end
Being hinged with L-shaped connecting lever on Zuo, described L-shaped connecting lever includes the clamping section being provided with elastic compression unit, also includes L-shaped with clamping section
The supporting part arranged, supporting part overhangs towards the inner side of clamping section, is provided with workpiece support between two L-shaped connecting levers, when clamping work
When dress is in clamping position, the supporting surface supporting seat is concordant with the top of supporting part.
A kind of clamping tool the most according to claim 3, it is characterised in that: the end of described supporting part is provided with smooth convex
Rise.
5. according to a kind of clamping tool described in any one of claim 14, it is characterised in that: described elastic compression unit is
Polyurethane compact heap.
A kind of clamping tool the most according to claim 3, it is characterised in that: the lower section of workpiece support is additionally provided with spacer
Sheet.
A kind of clamping tool the most according to claim 3, it is characterised in that: also include double leval jib hold-down mechanism, double leval jib
Hold-down mechanism has pressure head, and the compaction direction of pressure head is towards the supporting surface supporting seat.
A kind of clamping tool the most according to claim 7, it is characterised in that: pressure head adjustably sets along its compaction direction position
Put in pressure head mounting seat.
A kind of clamping tool the most according to claim 8, it is characterised in that: pressure head is to be formed by the head of hold-down bolt,
The bar portion of hold-down bolt is located in the screwed hole in pressure head mounting seat, and hold-down bolt is provided with locking spiral shell in the both sides of screwed hole
Female.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610641547.9A CN106112349B (en) | 2016-08-08 | 2016-08-08 | A kind of clamping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610641547.9A CN106112349B (en) | 2016-08-08 | 2016-08-08 | A kind of clamping tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106112349A true CN106112349A (en) | 2016-11-16 |
| CN106112349B CN106112349B (en) | 2017-10-20 |
Family
ID=57255915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610641547.9A Active CN106112349B (en) | 2016-08-08 | 2016-08-08 | A kind of clamping tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106112349B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204392A (en) * | 2016-12-20 | 2018-06-26 | 天津威康医疗用品有限公司 | A kind of novel fast card |
| CN108620791A (en) * | 2018-04-11 | 2018-10-09 | 中船黄埔文冲船舶有限公司 | A kind of plank auxiliary welding device |
| CN113441898A (en) * | 2021-07-14 | 2021-09-28 | 晟通科技集团有限公司 | Template anchor clamps, template tool and welding equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4828504A (en) * | 1987-11-05 | 1989-05-09 | Franks George J Jr | Clamp |
| JPH10166183A (en) * | 1996-12-03 | 1998-06-23 | Isuzu Motors Ltd | Welding jig |
| JP2006007237A (en) * | 2004-06-23 | 2006-01-12 | Nissan Motor Co Ltd | Work clamping device for laser beam welding |
| CN103192212A (en) * | 2013-01-07 | 2013-07-10 | 浙江吉利汽车研究院有限公司杭州分公司 | Manual clamping mechanism |
| CN203171173U (en) * | 2012-11-29 | 2013-09-04 | 上海翼锐汽车科技有限公司 | Bidirectional pressing device |
| CN104827237A (en) * | 2015-05-31 | 2015-08-12 | 资兴市粤兴汽车零部件制造有限公司 | Pipe end hoop welding and fixing device for automobile pipe |
| CN204725360U (en) * | 2015-05-11 | 2015-10-28 | 奇瑞汽车股份有限公司 | Clamp and there is its cubing and fixture |
| CN205021064U (en) * | 2015-09-06 | 2016-02-10 | 安徽长青电子机械（集团）有限公司 | Cantilever welding jig |
-
2016
- 2016-08-08 CN CN201610641547.9A patent/CN106112349B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4828504A (en) * | 1987-11-05 | 1989-05-09 | Franks George J Jr | Clamp |
| JPH10166183A (en) * | 1996-12-03 | 1998-06-23 | Isuzu Motors Ltd | Welding jig |
| JP2006007237A (en) * | 2004-06-23 | 2006-01-12 | Nissan Motor Co Ltd | Work clamping device for laser beam welding |
| CN203171173U (en) * | 2012-11-29 | 2013-09-04 | 上海翼锐汽车科技有限公司 | Bidirectional pressing device |
| CN103192212A (en) * | 2013-01-07 | 2013-07-10 | 浙江吉利汽车研究院有限公司杭州分公司 | Manual clamping mechanism |
| CN204725360U (en) * | 2015-05-11 | 2015-10-28 | 奇瑞汽车股份有限公司 | Clamp and there is its cubing and fixture |
| CN104827237A (en) * | 2015-05-31 | 2015-08-12 | 资兴市粤兴汽车零部件制造有限公司 | Pipe end hoop welding and fixing device for automobile pipe |
| CN205021064U (en) * | 2015-09-06 | 2016-02-10 | 安徽长青电子机械（集团）有限公司 | Cantilever welding jig |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204392A (en) * | 2016-12-20 | 2018-06-26 | 天津威康医疗用品有限公司 | A kind of novel fast card |
| CN108620791A (en) * | 2018-04-11 | 2018-10-09 | 中船黄埔文冲船舶有限公司 | A kind of plank auxiliary welding device |
| CN113441898A (en) * | 2021-07-14 | 2021-09-28 | 晟通科技集团有限公司 | Template anchor clamps, template tool and welding equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106112349B (en) | 2017-10-20 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |