CN108015473A - A kind of clamping tool - Google Patents
A kind of clamping tool Download PDFInfo
- Publication number
- CN108015473A CN108015473A CN201711276322.9A CN201711276322A CN108015473A CN 108015473 A CN108015473 A CN 108015473A CN 201711276322 A CN201711276322 A CN 201711276322A CN 108015473 A CN108015473 A CN 108015473A
- Authority
- CN
- China
- Prior art keywords
- eccentric wheel
- pivoted arm
- bearing
- arm
- briquetting
- 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
Links
- 238000000034 method Methods 0.000 abstract description 7
- 238000005056 compaction Methods 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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
Abstract
The present invention relates to a kind of clamping tool, including axis pin, pivoted arm, clamp arm, bearing, locating piece, main installing plate, base, cylinder and eccentric wheel combination；Main installing plate is fixedly installed on base；Locating piece and bearing are fixedly installed on main installing plate；The centre position of pivoted arm is rotatably connected by axis pin with bearing；One end of clamp arm is fixedly connected with eccentric wheel, and centre position is rotatably connected by axis pin with bearing；One end of pivoted arm is rotatably connected with cylinder, and the other end combines rotatable connection with eccentric wheel by eccentric wheel shaft.The technical program is combined by eccentric wheel, pivoted arm and arm clamping structure, and the thrust of higher is provided when compressing high intensity plate, and in compaction process, the destruction to plate appearance is reduced in a manner of slowly compressing；During regular motion, rotated with normal speed to lift work efficiency.
Description
Technical field
The invention belongs to clamp art, particularly relates to a kind of clamping tool.
Background technology
Body of a motor car is progressively welded by various types of small parts by level, and the welding formed after being welded for guarantee is total
Into stable accuracy, reliable, the auxiliary mould of design specialized is ensured in welding process.Auxiliary mould is mainly responsible for each
It is a by the positioning of weldering part and compression.
In the prior art, as shown in Figure 1, clamping tool includes main installing plate 04, locating piece 03, rotating arm 02 and compact heap
01, using locating piece to by weldering part carry out basis position positioning realize that position is accurate, then by cylinder or other can apply
The mechanism of pressure is to compact heap pressure testing and then realizes to being fixed by the position of weldering part, and ensures the quilt in the operating process such as welding
Position offset will not occur for weldering part.
The intensity for being limited to rotating arm and main installing plate lower end extension restricts, the compression between compact heap and locating piece
Power is subject to certain restrictions；The compression speed of compact heap is controlled by cylinder, it is impossible to realizes that speed change compresses.
The content of the invention
The object of the present invention is to provide a kind of clamping tool, to solve when compressing high intensity part, it is impossible to utilize high pressure
Realize the problem of slowly compressing.
The present invention is achieved by the following technical solutions：
A kind of clamping tool, including axis pin, pivoted arm, clamp arm, bearing, locating piece, main installing plate, base, cylinder and bias
Wheel combination；
The main installing plate is fixedly installed on the base；The locating piece and the bearing are fixedly installed in described
On main installing plate；
The centre position of the pivoted arm is rotatably connected by the axis pin with the bearing；
One end of the clamp arm is fixedly connected with the eccentric wheel, and centre position is rotated by the axis pin and the bearing
Connection；
One end of the pivoted arm is rotatably connected with the cylinder, and the other end passes through eccentric wheel shaft and the eccentric group
Close rotatable connection；
The first positive stop lug boss is provided with the bearing, the second positive stop lug boss is provided with the pivoted arm；Described
One positive stop lug boss and second positive stop lug boss are provided commonly for the spacing of the other end upper surface of the clamp arm.
The pivoted arm includes pivoted arm body, one end of the pivoted arm body is provided with cylinder mounting holes, in the pivoted arm
The other end of body is provided with eccentric wheel shaft；
The centre position of the pivoted arm body is provided with U-type groove, the U-type groove is rotatably connected with the axis pin；
Second positive stop lug boss is arranged at the upper surface of the pivoted arm body at the U-type groove.
The clamp arm is rectangular slab structure, and four eccentric wheel combination mounting holes are provided with one end of the clamp arm,
The centre of four eccentric wheel mounting holes is provided with eccentric wheel shaft perforation；
In the clamp arm at the other end, axis pin perforation is provided with.
The bearing includes support body, the upper end of the support body is provided with open slot, in the open slot
Both sides are provided with pin shaft hole, and the pivoted arm and the clamp arm are movably set in the open slot；
Be provided with outwardly extending extension in the one side wall of the open slot, the outer surface of the extension with it is described
The surface being connected of support body is in approximately the same plane；
First positive stop lug boss is arranged at the end of the extension.
The eccentric wheel combination includes U-shaped guide groove, briquetting and eccentric wheel；
The briquetting is slideably positioned in the U-shaped guide groove；Be provided with mounting hole on the U-shaped guide groove, with it is described partially
Heart wheel combination mounting hole corresponds；The U-shaped guide groove is fixedly connected with the clamp arm；
The briquetting includes briquetting body and the pressure contact portion below the briquetting body, the briquetting body with it is described
U-shaped guide groove is slidably connected；
Slot hole is provided with the briquetting body, the eccentric wheel is slideably positioned in the slot hole；In the bias
Rotation axis perforation is provided with wheel.
The beneficial effects of the invention are as follows：
The technical program is combined by eccentric wheel, pivoted arm and arm clamping structure, and higher is provided when compressing high intensity plate
Thrust, and in compaction process, the destruction to plate appearance is reduced in a manner of slowly compressing；During regular motion,
Rotated with normal speed to lift work efficiency.
Brief description of the drawings
Fig. 1 is prior art clamping tool schematic diagram；
Fig. 2 is clamping tool axonometric drawing of the present invention；
Fig. 3 is the front view of Fig. 2；
Fig. 4 is the rearview of Fig. 2；
Fig. 5 is the axonometric drawing of bearing；
Fig. 6 is the axonometric drawing of pivoted arm；
Fig. 7 is the axonometric drawing of clamp arm；
Fig. 8 is eccentric wheel combination diagram.
Description of reference numerals
01 compact heap, 02 rotating arm, 03 locating piece, 04 main installing plate, 1 axis pin, 2 pivoted arms, 3 clamp arm, 4 bearings, 5 positioning
Block, 6 main installing plates, 7 bases, 8 cylinders, 21 pivoted arm bodies, 22 cylinder mounting holes, 23U type grooves, 24 second positive stop lug boss, 25 is inclined
Heart wheel shaft, 31 eccentric group mounting holes, 32 eccentric wheel shaft perforation, the perforation of 33 axis pins, 41 support bodies, 42 openings
Groove, 43 pin shaft holes, 44 extensions, 45 first positive stop lug boss, the combination of 100 eccentric wheels, 101U type guide grooves, 102 briquettings, 103 is eccentric
Wheel.
Embodiment
Carry out the technical solution that the present invention will be described in detail by the following examples, following embodiment is only exemplary, only
It can be used for explanation and illustration technical scheme, and be not to be construed as the limitation to technical solution of the present invention.
The application provides a kind of clamping tool, as shown in Fig. 2 to Fig. 8, including it is axis pin 1, pivoted arm 2, clamp arm 3, bearing 4, fixed
Position block 5, main installing plate 6, base 7, cylinder 8 and eccentric wheel combination 100.
Main installing plate is fixedly installed on base；Locating piece and bearing are fixedly installed on main installing plate.
Pivoted arm 2 includes pivoted arm body 21, one end of pivoted arm body is provided with cylinder mounting holes 22, in the another of pivoted arm body
One end is provided with eccentric wheel shaft 25.
U-type groove 23, U-type groove and 1 sliding contact of axis pin are provided with the centre position of pivoted arm body, U-type groove is revolved with axis pin
Turn connection.
Second positive stop lug boss 24 is arranged at the upper surface of pivoted arm body at U-type groove.
Clamp arm 3 is rectangular slab structure, and four eccentric group mounting holes 31 are provided with one end of clamp arm, in four bias
The centre of wheel group mounting hole is provided with eccentric wheel shaft perforation 32；For clamp arm to be combined fixation with eccentric wheel.
In clamp arm at the other end, axis pin perforation 33 is provided with, axis pin is perforated through the pin shaft hole on bearing and axis pin
Afterwards, U-type groove on pivoted arm body is movable to be connected on axis pin；Perforate to the upper surface of nearest clamp arm end and be located in axis pin
In the range of first positive stop lug boss and the second positive stop lug boss.
The centre position of pivoted arm is rotatably connected by axis pin with bearing.
One end of clamp arm is fixedly connected with eccentric wheel, and centre position is rotatably connected by axis pin with bearing.
One end of pivoted arm is rotatably connected with cylinder, and the other end combines rotatable connection with eccentric wheel by eccentric wheel shaft.
The first positive stop lug boss 45 is provided with the carrier 4, and the second positive stop lug boss is provided with pivoted arm；First positive stop lug boss
The spacing of the other end upper surface of clamp arm is provided commonly for the second positive stop lug boss.
Bearing 4 includes support body 41, and the upper end of support body is provided with open slot 42, is set in the both sides of open slot
There is pin shaft hole 43, pivoted arm and clamp arm are movably set in open slot.
It is provided with outwardly extending extension 44 in the one side wall of open slot, the outer surface of extension and support body
The surface being connected is in approximately the same plane.
First positive stop lug boss 45 is arranged at the end of extension.
As shown in Figure 5 and Figure 6, the first positive stop lug boss of bearing and the second positive stop lug boss of pivoted arm are under state shown in Fig. 2
With the upper surface of clamp arm 3.
Eccentric wheel combination 100 includes U-shaped guide groove 101, briquetting 102 and eccentric wheel 103.
Briquetting is slideably positioned in U-shaped guide groove；Mounting hole is provided with U-shaped guide groove, mounting hole one is combined with eccentric wheel
One corresponds to；U-shaped guide groove is fixedly connected with clamp arm.
Briquetting includes briquetting body and the pressure contact portion below briquetting body, and briquetting body is slidably connected with U-shaped guide groove.
Slot hole is provided with briquetting body, eccentric wheel is slideably positioned in slot hole；Rotation axis is provided with eccentric wheel
Perforation.
As shown in the figure, Fig. 3 is half impaction state, cylinder 8 continues to stretch out and drives pivoted arm to continue to rotate, and clamp arm is being propped up at this time
First positive stop lug boss of seat remains static, and pivoted arm is rotated with movable eccentric wheel and then realized under briquetting in rotary course
Pressure movement is until compress by stop motion after pressure part.
In opening procedure, cylinder 8 first drives the movement of pivoted arm 2 up to the second limit convex in state shown in Fig. 2, pivoted arm 2
Platform drives clamp arm 3 to move together until opening completely；In compaction process, cylinder 8 first drive pivoted arm 2 and clamp arm 3 to move until
State shown in Fig. 2.
The movement velocity of cylinder 8 remains unchanged, and eccentric wheel combination is opposite by pressure part by normal speed during front half section
Being moved, the briquetting in second half section motion process in eccentric wheel combination slowly pushes, and by the lower pressure of lever or so drastically
Increase.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace
And deformation, the scope of the present invention are extremely equally limited by appended claims.
Claims (5)
1. a kind of clamping tool, it is characterised in that including axis pin, pivoted arm, clamp arm, bearing, locating piece, main installing plate, base, gas
Cylinder and eccentric wheel combination；
The main installing plate is fixedly installed on the base；The locating piece and the bearing are fixedly installed in the main peace
In loading board；
The centre position of the pivoted arm is rotatably connected by the axis pin with the bearing；
One end of the clamp arm is fixedly connected with the eccentric wheel, and centre position is connected by the axis pin and bearing rotation
Connect；
One end of the pivoted arm is rotatably connected with the cylinder, and the other end combines rotation by eccentric wheel shaft with the eccentric wheel
Turn connection；
The first positive stop lug boss is provided with the bearing, the second positive stop lug boss is provided with the pivoted arm；First limit
Position boss and second positive stop lug boss are provided commonly for the spacing of the other end upper surface of the clamp arm.
2. clamping tool according to claim 1, it is characterised in that the pivoted arm includes pivoted arm body, in the pivoted arm
One end of body is provided with cylinder mounting holes, and the other end of the pivoted arm body is provided with eccentric wheel shaft；
The centre position of the pivoted arm body is provided with U-type groove, the U-type groove is rotatably connected with the axis pin；
Second positive stop lug boss is arranged at the upper surface of the pivoted arm body at the U-type groove.
3. clamping tool according to claim 1, it is characterised in that the clamp arm is rectangular slab structure, in the folder
One end of arm is provided with four eccentric wheel combination mounting holes, and the centre of four eccentric wheel mounting holes is provided with eccentric rotation
Moving axis is perforated；
In the clamp arm at the other end, axis pin perforation is provided with.
4. clamping tool according to claim 1, it is characterised in that the bearing includes support body, in the bearing
The upper end of body is provided with open slot, and pin shaft hole is provided with the both sides of the open slot, and the pivoted arm and the clamp arm are living
It is dynamic to be arranged in the open slot；
Outwardly extending extension, the outer surface of the extension and the bearing are provided with the one side wall of the open slot
The surface being connected of body is in approximately the same plane；
First positive stop lug boss is arranged at the end of the extension.
5. clamping tool according to claim 3, it is characterised in that eccentric wheel combination include U-shaped guide groove, briquetting and
Eccentric wheel；
The briquetting is slideably positioned in the U-shaped guide groove；Mounting hole is provided with the U-shaped guide groove, with the eccentric wheel
Mounting hole is combined to correspond；The U-shaped guide groove is fixedly connected with the clamp arm；
The briquetting includes briquetting body and the pressure contact portion below the briquetting body, the briquetting body with it is described U-shaped
Guide groove is slidably connected；
Slot hole is provided with the briquetting body, the eccentric wheel is slideably positioned in the slot hole；On the eccentric wheel
It is provided with rotation axis perforation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276322.9A CN108015473B (en) | 2017-12-06 | 2017-12-06 | A kind of clamping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276322.9A CN108015473B (en) | 2017-12-06 | 2017-12-06 | A kind of clamping tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108015473A true CN108015473A (en) | 2018-05-11 |
| CN108015473B CN108015473B (en) | 2019-06-28 |
Family
ID=62078823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711276322.9A Expired - Fee Related CN108015473B (en) | 2017-12-06 | 2017-12-06 | A kind of clamping tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108015473B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1649968A2 (en) * | 2004-10-21 | 2006-04-26 | UNIVER S.p.A. | Work piece gripping device for robotized manipulating systems |
| CN203343972U (en) * | 2013-07-19 | 2013-12-18 | 邯钢集团邯宝钢铁有限公司 | Clamping tool used for replacing loop steel wire rope |
| CN205798787U (en) * | 2016-06-14 | 2016-12-14 | 安徽机电职业技术学院 | A kind of pedal eccentric wheel clamping device |
| CN206105260U (en) * | 2016-10-28 | 2017-04-19 | 安徽江淮汽车集团股份有限公司 | Cylinder mounting structure |
| CN107127446A (en) * | 2017-06-30 | 2017-09-05 | 苏州凯富精密模具有限公司 | A kind of friction welding (FW) clamping device |
-
2017
- 2017-12-06 CN CN201711276322.9A patent/CN108015473B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1649968A2 (en) * | 2004-10-21 | 2006-04-26 | UNIVER S.p.A. | Work piece gripping device for robotized manipulating systems |
| CN203343972U (en) * | 2013-07-19 | 2013-12-18 | 邯钢集团邯宝钢铁有限公司 | Clamping tool used for replacing loop steel wire rope |
| CN205798787U (en) * | 2016-06-14 | 2016-12-14 | 安徽机电职业技术学院 | A kind of pedal eccentric wheel clamping device |
| CN206105260U (en) * | 2016-10-28 | 2017-04-19 | 安徽江淮汽车集团股份有限公司 | Cylinder mounting structure |
| CN107127446A (en) * | 2017-06-30 | 2017-09-05 | 苏州凯富精密模具有限公司 | A kind of friction welding (FW) clamping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108015473B (en) | 2019-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| 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: 20190628 |