CN206253834U - Clamping tool - Google Patents
Clamping tool Download PDFInfo
- Publication number
- CN206253834U CN206253834U CN201620849211.7U CN201620849211U CN206253834U CN 206253834 U CN206253834 U CN 206253834U CN 201620849211 U CN201620849211 U CN 201620849211U CN 206253834 U CN206253834 U CN 206253834U
- 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.)
- Expired - Fee Related
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Abstract
The utility model is related to a kind of clamping tool, including two chucks being oppositely arranged, and elastic compression unit is equipped with each chuck, and elastic compression unit has the workpiece pushing tow face being oppositely arranged；Compared with prior art, when being clamped using the utility model frock workpiece larger to overall size difference, the elastic deformation of flexible member can inhale the error of the contour accuracy of compensation workpiece, can preferably clamp workpiece, improve the efficiency of work.
Description
Technical field
The utility model is related to a kind of clamping tool.
Background technology
At present, the welding of Bus Frame commonly used robotic welding technology.Because seat channel-section steel is typically using thickness
Plate roller system, is limited by processing technology, and the channel-section steel for processing often has problems with：（1）The contour accuracy of part is difficult to ensure that,
The width dimensions b of particularly channel-section steel is difficult to ensure that, as shown in Figure 1；（2）Homogeneity of product is bad.
However, when being welded to Bus Frame using robotic welding technology, it is desirable to which welded part meets more accurate
Positioning precision, but the presence of above mentioned problem causes very big 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 rotates it；When fixture is in and clamps position, on the premise of the overall size of chuck is constant, between two chucks
The size of the workpiece that can be clamped is fixed, for the poor workpiece of some contour accuracies, existing clamp system not only without
Method meets the same clamping demand of channel-section steel diverse location, the clamping demand of different channel-section steels cannot be also met, therefore, it is difficult to realize
Weld clamp has had a strong impact on the welding efficiency of Bus Frame, it is necessary to be adjusted to fixture repeatedly.
Utility model content
The purpose of this utility model is to provide a kind of clamping tool, is used to solve work effect during existing clamp workpiece
The relatively low problem of rate.
To achieve the above object, a kind of technical scheme of clamping tool of the utility model is：
A kind of clamping tool, including two chucks being oppositely arranged, elastic compression unit, bullet are equipped with each chuck
Property compressing unit there is the workpiece pushing tow face that is oppositely arranged；Institute's clamping tool is the synchronous folder of chuck synchronous clamping and synchronous release
Tight device；The synchronous clamping device includes base, and L-shaped connecting lever is hinged with base, and the L-shaped connecting lever includes being provided with elastic pressure
The clamping section of tight unit, also including the supporting part with the L-shaped arrangement in clamping section, supporting part overhangs towards the inner side of clamping section, two L
Workpiece support is provided between shape connecting lever, when clamping tool is in clamps position, the supporting surface of support base and the top of supporting part
Concordantly.
The end of the supporting part is provided with smooth projection.
The elastic compression unit is polyurethane compact heap.
Adjusting gasket is additionally provided with below the workpiece support.
Also include double leval jib hold-down mechanism, double leval jib hold-down mechanism has a pressure head, the compaction direction of pressure head is towards support base
Supporting surface.
The pressure head is adjustably arranged in pressure head mounting seat along its compaction direction position.
Pressure head is 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
Interior, hold-down bolt is provided with stop nut in the both sides of screwed hole.
The beneficial effects of the utility model are：Elastic compression list is equipped with two chucks in the utility model frock
Unit, during using this frock to Workpiece clamping, the elastic deformation of flexible member can inhale the error of the contour accuracy of compensation workpiece, folder
Also the centering of workpiece can be realized while tight, compared to prior art, the time for changing frock is saved, can be preferably pressed from both sides
Clamping of workpieces, improves the efficiency of work.
Further, also including double leval jib hold-down mechanism and the pressure head mounting seat being arranged on hold-down mechanism, pressure head mounting seat
Upper that pressure head is housed, the work that pressure head is compressed can drive the action that two L-shaped connecting levers are clamped to the rotation in the direction for clamping workpiece, one
Individual action is realized to being fixedly clamped in workpiece in both directions.
Further, also including the adjust pad being arranged between workpiece and base, on the one hand can by the adjust pad
On the other hand the clamped workpiece of regulation can also be realized to two L-shaped relative to the relative position with the workpiece of the work pieces mate
Regulation of the connecting lever to the clamping force of workpiece.
Further, the pressure head and pressure head mounting seat, adjustable connection is realized by helicitic texture, makes the utility model work
Dress can be applied to the workpiece of more different-thickness.
Brief description of the drawings
Fig. 1 is the stereogram of the workpiece in the specific embodiment of clamping device of the present utility model；
Fig. 2 is the structural representation of the specific embodiment of clamping device of the present utility model；
Structural representation when Fig. 3 is the use state of the specific embodiment of clamping device of the present utility model.
Specific embodiment
Implementation method of the present utility model is described further below in conjunction with the accompanying drawings.
A kind of specific embodiment of clamping device of the present utility model, as shown in Figure 2 to Figure 3, including base 1, base 1
Left side is provided with a pair of L-shaped connecting lever 4, the distribution of the symmetrical expression of two L-shaped connecting lever 4, and is articulated and connected in base 1 by the first bearing pin 7 respectively,
Aiding the border areas for the top of L-shaped connecting lever 4 is the clamping section of cooperation of being in contact with the side of workpiece 6, the lower section of L-shaped connecting lever 4 aid the border areas for
The supporting part coordinated with the bottom supporting of workpiece 6, is respectively equipped with the clamping section on two L-shaped connecting levers 4 and is made up of polyurethane material
Elastic cushion block 5, the end of the supporting part on two L-shaped connecting levers 4 be respectively equipped with smooth for the bottom surface with workpiece be in contact it is convex
The portion of rising.
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
15th, depression bar 9, pressure head 11 and pressure head mounting seat 16, bearing 8 and the fixed connection of base 1, bearing 8 are hinged with one end of depression bar 9,
The middle part of action bars 14 is hinged by connecting rod 15 with depression bar 9, and lower end and the bearing 8 of action bars 14 are hinged, and the afterbody of action bars 14 sets
There is handle 13, pressure head 11 is formed by the head of hold-down bolt, and pressure head 11 is installed on pressing head seat 16, installed in the seaming chuck of pressure head 11
The both sides of the screwed hole of seat 16 are provided with loosens nut, and when using, rotation handle 13 can control pushing for the pressure head 11 on depression bar 9
Or above carry, the clamping or release to workpiece are realized, during clamping, keep clamping by dead point.Certainly, by quadric chain
Realize that it is prior art to compress, quadric chain could alternatively be multi-form of the prior art.Can realize compressing.
Workpiece support is provided with position on base 1 between two L-shaped connecting levers 4, the workpiece support is for upper surface
, first be placed on workpiece 6 between the clamping section on two L-shaped connecting levers 4 by the stationary positioned block 2 of supporting surface, rotate handle 13, when press
The downward workpiece pressing 6 of pressure head 11 on bar 9, moves under the phase of workpiece 6, the supporting sections of the bottom surface of workpiece 6 and two L-shaped connecting levers 4
On lug boss be in contact, the clamping section on two L-shaped connecting levers 4 respectively to clamp workpiece 6 direction rotate, workpiece 6 is clamped
Fixed, after workpiece 6 is contacted 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 on direction and above-below direction and is fixed；The size that the elasticity of elastic cushion block 5 can be made up between the two sides on workpiece 6 is missed
Difference, provides workpiece 6 reliable grip, and the surface of workpiece 6 will not be caused to scratch, also, due to the clamping of two L-shaped connecting levers
Elastic cushion block 5 is equipped with portion, during clamping, the deformation extent of two elastic cushion blocks 5 always, what is clamped to workpiece 6 to workpiece 6
Meanwhile, realize the centering to workpiece 6.
The lower section of stationary positioned block 2 is provided with adjust pad 3, can be by changing the quantity of adjust pad 3 or changing not
The mode of the adjust pad of stack pile adjusts the position of workpiece 6 in the vertical direction, as shown in figure 3, can be adjusted by adjusting gasket 3
Relative position between section workpiece 6 and workpiece 14, and in this way, it is also possible to realize to two L-shaped connecting levers 4 and workpiece 6
Between clamping force regulation, because clamping force it is excessive caused by larger deformation on workpiece.
In a kind of other embodiment of clamping device of the present utility model, the bottom of L-shaped connecting lever can also be not provided with convex
The portion of rising, and it is directly disposed as planar structure.
In a kind of other embodiment of clamping device of the present utility model, elastic cushion block can also use other elasticity
Material, such as elastomeric material.
In a kind of other embodiment of clamping device of the present utility model, it is also possible to bearing is not provided with, directly by depression bar
It is hinged with base respectively with action bars.
In a kind of other embodiment of clamping device of the present utility model, it is also possible to which pressure head is directly welded at into depression bar
On.
In a kind of other embodiment of clamping device of the present utility model, it is also possible to stationary positioned block is not provided with, by work
Part is directly sandwiched between two L-shaped connecting levers, and workpiece is fixed using the frictional force between workpiece and gripping block.
In a kind of other embodiment of clamping device of the present utility model, it is also possible to be not provided with adjusting gasket, spacer
Piece is used for adjusting the clamping force of workpiece position in the vertical direction and two L-shaped connecting levers of regulation to workpiece.
In a kind of other embodiment of clamping device of the present utility model, hold-down gear can also replace with other shapes
Formula, such as compression cylinder.
Claims (7)
1. a kind of clamping tool, including two chucks being oppositely arranged, it is characterised in that：Flexible pressure is all provided with each chuck
Tight unit, elastic compression unit has the workpiece pushing tow face being oppositely arranged；The clamping tool is chuck synchronous clamping and synchronization
The synchronous clamping device of release, synchronous clamping device includes base, and L-shaped connecting lever is hinged with base, and the L-shaped connecting lever includes setting
The clamping section of flexible compressing unit, also including the supporting part with the L-shaped arrangement in clamping section, inner side of the supporting part towards clamping section
Overhang, workpiece support is provided between two L-shaped connecting levers, when clamping tool is in clamps position, supporting surface and the support of support base
The top in portion is concordant.
2. a kind of clamping tool according to claim 1, it is characterised in that：The end of the supporting part is provided with smooth convex
Rise.
3. a kind of clamping tool according to claim 1 and 2, it is characterised in that：The elastic compression unit is polyurethane
Compact heap.
4. a kind of clamping tool according to claim 1, it is characterised in that：Spacer is additionally provided with below workpiece support
Piece.
5. a kind of clamping tool according to claim 1, it is characterised in that：Also include double leval jib hold-down mechanism, double leval jib
Hold-down mechanism has a pressure head, the supporting surface of the compaction direction of pressure head towards support base.
6. a kind of clamping tool according to claim 5, it is characterised in that：Pressure head adjustably sets along its compaction direction position
Put in pressure head mounting seat.
7. a kind of clamping tool according to claim 6, it is characterised in that：Pressure head is 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
It is female.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620849211.7U CN206253834U (en) | 2016-08-08 | 2016-08-08 | Clamping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620849211.7U CN206253834U (en) | 2016-08-08 | 2016-08-08 | Clamping tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206253834U true CN206253834U (en) | 2017-06-16 |
Family
ID=59022209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620849211.7U Expired - Fee Related CN206253834U (en) | 2016-08-08 | 2016-08-08 | Clamping tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206253834U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878290A (en) * | 2021-12-07 | 2022-01-04 | 长沙孟德机械科技有限公司 | Winch box welding tool |
-
2016
- 2016-08-08 CN CN201620849211.7U patent/CN206253834U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878290A (en) * | 2021-12-07 | 2022-01-04 | 长沙孟德机械科技有限公司 | Winch box welding tool |
| CN113878290B (en) * | 2021-12-07 | 2022-03-01 | 长沙孟德机械科技有限公司 | Winch box welding tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 Termination date: 20190808 |