CN205968328U - Eccentric jack catch clamping device - Google Patents
Eccentric jack catch clamping device Download PDFInfo
- Publication number
- CN205968328U CN205968328U CN201620919457.7U CN201620919457U CN205968328U CN 205968328 U CN205968328 U CN 205968328U CN 201620919457 U CN201620919457 U CN 201620919457U CN 205968328 U CN205968328 U CN 205968328U
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- CN
- China
- Prior art keywords
- lever
- claw
- spring
- support
- driving lever
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- Expired - Fee Related
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Abstract
The utility model provides an eccentric jack catch clamping device belongs to the machinery processing technology field. It includes the driving lever, a lever, lever round pin axle, the limiting plate, the connecting rod, compresses the spring, eccentric jack catch, extension spring, the driving lever sets up on the driving lever support, the driving lever support is connected to the right -hand member of piston rod, the middle -end of lever is passed through lever round pin axle and is articulated in the frame, the lower extreme of lever is provided with two jack catchs, the upper end of lever sets up to circular -arc, one side of lever is provided with the limiting plate, the connecting rod can slide from top to bottom and set up on fixed guide bracket, the upper end laminating of lower support and lever, compression spring's upper end and the laminating of fixed guide bracket, compression spring's lower extreme and lower support laminating, the middle -end of eccentric jack catch is passed through the jack catch rest pin and is articulated in the frame, the one end and the upper support of eccentric jack catch are articulated, spring holder and lower spring holder are connected respectively to extension spring's both ends. The utility model discloses, still can continue in the cylinder to keep the tight state of clamp of work piece after breaking down, and it is rational in infrastructure, the good reliability.
Description
Technical field
This utility model is related to machining technology field, particularly to a kind of bias claw clamping device.
Background technology
Machining refers to the process of by a kind of plant equipment, the overall dimensions of workpiece or performance are changed.Press and add
Difference in work mode can be divided into machining and pressure processing.In process of production, every shape changing production object, chi
Very little, position and property etc. are so as to become finished product or the process of semi-finished product is referred to as technical process.It is the main portion of production process
Point.Technical process can be divided into the technical processs such as casting, forging, punching press, welding, machining, assembling, manufacturing technology mistake again
Journey generally refers to the machining work process of part and the summation of the assembling technology procedure of machine, and other processes then referred to as assist
Process, such as transport, keeping, power supply, maintenance of equipment etc..Technical process is by one or several tactic works again
Sequence composition, an operation is formed by by several work steps.In mechanical processing process, it is often required to use all kinds of fixtures, fixture
It is for fixing processing object during machine-building, is allowed to occupy correct position, to accept the device constructed or detect.Often
The clamping device seen is all to rely on cylinder directly to drive the clamping to workpiece for the fixture block realization, once cylinder breaks down, workpiece is just
Cannot continue to keep clamped condition, reliability is poor.
Utility model content
The purpose of this utility model is to provide a kind of bias claw clamping device, remains to continue to protect after cylinder breaks down
Hold the clamped condition of workpiece, rational in infrastructure, good reliability.
This utility model solves its technical problem and be employed technical scheme comprise that：
A kind of bias claw clamping device, it includes frame, cylinder, driving lever bearing, driving lever, lever, lever bearing pin, supporting
Guide rail, limiting plate, connecting rod, upper supporting, lower support, fixing guide bracket, compression spring, eccentric claw, claw fulcrum post, workpiece, work
Part bearing, extension spring, upper spring seat, lower spring cup, described driving lever bearing can horizontally slip and be arranged on support rails, driving lever
It is arranged on driving lever bearing, described cylinder includes cylinder body and piston rod, described cylinder body is fixed in frame, the right side of described piston rod
End connects driving lever bearing, and the middle-end of described lever is hinged in frame by lever bearing pin, and the lower end of described lever is provided with two
Individual claw, the upper end of described lever is set to arc-shaped, and the side of described lever is provided with limiting plate, and described fixing guide bracket is fixed
In frame, described connecting rod can slide up and down and be arranged on fixing guide bracket, and the upper end of described connecting rod is provided with supporting, described company
The lower end of bar is provided with lower support, upper end laminating, described compression spring and the concentric setting of connecting rod of described lower support and lever,
The upper end of compression spring and fixing guide bracket laminating, the lower end of compression spring and lower support laminating, the middle-end of described bias claw is led to
Cross claw fulcrum post to be hinged in frame, described bias one end of claw and upper support hinge, described upper spring seat is fixed on
In supporting, described lower spring cup is fixed on lower support, and the two ends of described extension spring connect upper spring seat and lower spring respectively
Seat, described workpiece is placed on workpiece support, and workpiece is located at the side of eccentric claw.
Further, it is provided with sliding guide sleeve between described connecting rod and fixing guide bracket.
Further, the inner side of described claw is provided with non-slip bumps.
Compared to the prior art this utility model, has advantages below and effect：Air cylinder driven driving lever bearing is along supporting
Guide rail slides to the right, and driving lever drives lever around lever bearing pin counter-clockwise swing, and passes through lower support drivening rod upward sliding,
The upper supporting of connecting rod drives eccentric card pawl to be flapped toward workpiece counterclockwise and it is clamped.Now, if cylinder breaks down, due to limit
The supporting role of the driving lever of position plate, mechanism remains to reliably keep clamped condition.The Main Function of compression spring is for producing bullet
Property clamping force simultaneously makes lever stably lean against on limiting plate.The coefficient of elasticity of extension spring is less, is used for preventing eccentric claw from existing
Vibration is produced during clamping workpiece.It is provided with sliding guide sleeve between connecting rod and fixing guide bracket, decrease connecting rod and fixation is led
Abrasion between seat, is conducive to connecting rod smoothly to move up and down.The side of lever is provided with limiting plate, realizes lever swing is entered
Row is spacing.This utility model remains to the clamped condition continuing to keep workpiece, rational in infrastructure, reliability after cylinder breaks down
Good.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of supporting on this utility model.
In figure：1. frame, 2. cylinder, 3. driving lever bearing, 4. driving lever, 5. lever, 6. lever bearing pin, 7. support rails, 8.
Limiting plate, 9. connecting rod, 10. on support, 11. lower supports, 12. fixing guide brackets, 13. compression springs, 14. eccentric claws, 15. claws
Fulcrum post, 16. workpiece, 17. workpiece supports, 18. extension springs, 19. upper spring seats, 20. lower spring cups, 21. cylinder bodies, 22. live
Stopper rod, 23. claws, 24. sliding guide sleeves, 25. non-slip bumps.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following examples are right
Of the present utility model explain and this utility model is not limited to following examples.
As depicted in figs. 1 and 2, a kind of bias claw clamping device, it includes frame 1, cylinder 2, driving lever bearing 3, driving lever
4th, lever 5, lever bearing pin 6, support rails 7, limiting plate 8, connecting rod 9, upper supporting 10, lower support 11, fixing guide bracket 12, compression bullet
Spring 13, eccentric claw 14, claw fulcrum post 15, workpiece 16, workpiece support 17, extension spring 18, upper spring seat 19, lower spring cup
20, described driving lever bearing 3 can horizontally slip and be arranged on support rails 7, and driving lever 4 is arranged on driving lever bearing 3.Described cylinder 2
Including cylinder body 21 and piston rod 22, described cylinder body 21 is fixed in frame 1, and the right-hand member of described piston rod 22 connects driving lever bearing 3,
The middle-end of described lever 5 is hinged in frame 1 by lever bearing pin 6.The lower end of described lever 5 is provided with two claws 23, institute
The inner side stating claw 23 is provided with non-slip bumps 25, is conducive to driving lever 4 to drive lever 5 to swing back and forth.The upper end of described lever 5 sets
It is set to arc-shaped, the side of described lever 5 is provided with limiting plate 8, and realization carries out spacing to lever 5 swing.Described fixing guide bracket
12 are fixed in frame 1, and described connecting rod 9 can slide up and down and be arranged on fixing guide bracket 12, described connecting rod 9 and fixing guide bracket 12 it
Between be provided with sliding guide sleeve 24, decrease the abrasion between connecting rod 9 and fixing guide bracket 12, be conducive to connecting rod 9 smoothly to transport up and down
Dynamic.The upper end of described connecting rod 9 is provided with supporting 10, and the lower end of described connecting rod 9 is provided with lower support 11, described lower support 11 He
Upper end laminating, described compression spring 13 and the concentric setting of connecting rod 9 of lever 5, the upper end of compression spring 13 and fixing guide bracket 12
Laminating, the lower end of compression spring 13 and lower support 11 are fitted.It is hinged that the middle-end of described bias claw 14 passes through claw fulcrum post 15
In frame 1, one end of described bias claw 14 and upper supporting 10 are hinged, and described upper spring seat 19 is fixed in supporting 10,
Described lower spring cup 20 is fixed on lower support 11, and the two ends of described extension spring 18 connect upper spring seat 19 and lower spring respectively
Seat 20, described workpiece 16 is placed on workpiece support 17, and workpiece 16 is located at the side of eccentric claw 14.
By technique scheme, when a kind of this utility model bias claw clamping device uses, cylinder 2 drives driving lever to prop up
Seat 3 slides to the right along support rails 7, and driving lever 4 drives lever 5 around lever bearing pin 6 counter-clockwise swing, and passes through lower support 11
Drivening rod 9 upward sliding, the upper supporting 10 of connecting rod 9 drives eccentric claw 14 to be flapped toward workpiece 16 counterclockwise and it is clamped.This
When, if cylinder 2 breaks down, due to the supporting role of the driving lever 4 of limiting plate 8, mechanism remains to reliably keep clamped condition.
The Main Function of compression spring 13 is for producing elastic clip clamp force and so that lever 5 is stably leaned against on limiting plate 8.Extension spring 18
Coefficient of elasticity less, be used for preventing eccentric claw 14 from producing vibration during clamping workpiece 16.This utility model is in gas
Cylinder 2 remains to the clamped condition continuing to keep workpiece 16, rational in infrastructure, good reliability after breaking down.
Above content described in this specification is only to this utility model example explanation.This utility model
Person of ordinary skill in the field can make various modifications or supplement or adopt class to described specific embodiment
As mode substitute, the content without departing from this utility model description or surmount model defined in the claims
Enclose, protection domain of the present utility model all should be belonged to.
Claims (3)
1. a kind of bias claw clamping device it is characterised in that：It includes frame, cylinder, driving lever bearing, driving lever, lever, lever
Bearing pin, support rails, limiting plate, connecting rod, upper supporting, lower support, fixing guide bracket, compression spring, eccentric claw, claw supporting
Pin, workpiece, workpiece support, extension spring, upper spring seat, lower spring cup, described driving lever bearing can horizontally slip and be arranged on supporting
On guide rail, driving lever is arranged on driving lever bearing, and described cylinder includes cylinder body and piston rod, and described cylinder body is fixed in frame, institute
The right-hand member stating piston rod connects driving lever bearing, and the middle-end of described lever is hinged in frame by lever bearing pin, described lever
Lower end is provided with two claws, and the upper end of described lever is set to arc-shaped, and the side of described lever is provided with limiting plate, described
Fixing guide bracket is fixed in frame, and described connecting rod can slide up and down and be arranged on fixing guide bracket, and the upper end of described connecting rod is provided with
Upper supporting, the lower end of described connecting rod is provided with lower support, upper end laminating, described compression spring and the company of described lower support and lever
The concentric setting of bar, the upper end of compression spring and fixing guide bracket laminating, the lower end of compression spring and lower support laminating, described bias
The middle-end of claw is hinged in frame by claw fulcrum post, described bias one end of claw and upper support hinge, described upper bullet
Spring abutment is fixed on and supports, and described lower spring cup is fixed on lower support, and the two ends of described extension spring connect bullet respectively
Spring abutment and lower spring cup, described workpiece is placed on workpiece support, and workpiece is located at the side of eccentric claw.
2. according to claim 1 a kind of bias claw clamping device it is characterised in that：Described connecting rod and fixing guide bracket it
Between be provided with sliding guide sleeve.
3. according to claim 1 a kind of bias claw clamping device it is characterised in that：The inner side of described claw is provided with
Non-slip bumps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620919457.7U CN205968328U (en) | 2016-08-23 | 2016-08-23 | Eccentric jack catch clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620919457.7U CN205968328U (en) | 2016-08-23 | 2016-08-23 | Eccentric jack catch clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205968328U true CN205968328U (en) | 2017-02-22 |
Family
ID=58033275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620919457.7U Expired - Fee Related CN205968328U (en) | 2016-08-23 | 2016-08-23 | Eccentric jack catch clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205968328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106217090A (en) * | 2016-08-23 | 2016-12-14 | 浙江申腾涂层织物有限公司 | A kind of eccentric claw clamping device |
-
2016
- 2016-08-23 CN CN201620919457.7U patent/CN205968328U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106217090A (en) * | 2016-08-23 | 2016-12-14 | 浙江申腾涂层织物有限公司 | A kind of eccentric claw clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20170222 Termination date: 20170823 |