CN106217090A - A kind of eccentric claw clamping device - Google Patents
A kind of eccentric claw clamping device Download PDFInfo
- Publication number
- CN106217090A CN106217090A CN201610703989.1A CN201610703989A CN106217090A CN 106217090 A CN106217090 A CN 106217090A CN 201610703989 A CN201610703989 A CN 201610703989A CN 106217090 A CN106217090 A CN 106217090A
- Authority
- CN
- China
- Prior art keywords
- lever
- claw
- spring
- connecting rod
- driving lever
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/067—Blocks with collet chucks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B5/00—Clamps
- B25B5/06—Arrangements for positively actuating jaws
- B25B5/12—Arrangements for positively actuating jaws using toggle links
- B25B5/122—Arrangements for positively actuating jaws using toggle links with fluid drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B5/00—Clamps
- B25B5/16—Details, e.g. jaws, jaw attachments
Abstract
The present invention provides a kind of eccentric claw clamping device, belongs to Machining Technology field.It includes driving lever, lever, lever bearing pin, limiting plate, connecting rod, compression spring, eccentric claw, stretching spring, driving lever is arranged on driving lever bearing, the right-hand member of piston rod connects driving lever bearing, the middle-end of lever is hinged in frame by lever bearing pin, the lower end of lever is provided with two claws, the upper end of lever is set to arc-shaped, the side of lever is provided with limiting plate, connecting rod can slide up and down and be arranged on fixing guide bracket, the upper end laminating of lower support and lever, the upper end of compression spring and the laminating of fixing guide bracket, the lower end of compression spring and lower support laminating, the middle-end of eccentric claw is hinged in frame by claw fulcrum post, one end of eccentric claw and upper support hinge, the two ends of stretching spring connect upper spring seat and lower spring cup respectively.The present invention remains to the clamped condition continuing to keep workpiece after cylinder breaks down, rational in infrastructure, good reliability.
Description
Technical field
The present invention relates to Machining Technology field, particularly to a kind of eccentric claw clamping device.
Background technology
Machining refers to the process being changed overall dimensions or the performance of workpiece by a kind of plant equipment.By adding
Difference in work mode can be divided into machining and pressure processing.In process of production, every change produces the shape of object, chi
Very little, position and character etc. so that it is the process becoming finished product or semi-finished product is referred to as technical process.It is the main portion of production process
Point.Technical process can be divided into again the technical processs such as casting, forging, punching press, welding, machining, assembling, manufacturing technology mistake
Journey generally refers to the machining work process of part and the summation of the assembling technology procedure of machine, and other processes are then referred to as auxiliary
Process, such as transport, take care of, power supply, maintenance of equipment etc..Technical process is again by one or several tactic works
Sequence composition, an operation is formed by by several work steps.In mechanical processing process, it is often required to use all kinds of fixture, fixture
It is to be used for fixing processing object during machine-building, is allowed to occupy correct position, to accept construction or the device of detection.Often
The clamping device seen all is dependent on cylinder and directly drives fixture block to realize the clamping to workpiece, and once cylinder breaks down, and workpiece is just
Cannot continue to keep clamped condition, reliability is poor.
Summary of the invention
It is an object of the invention to provide a kind of eccentric claw clamping device, remain to continue to keep work after cylinder breaks down
The clamped condition of part, rational in infrastructure, good reliability.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of eccentric claw clamping device, it includes that frame, cylinder, driving lever bearing, driving lever, lever, lever bearing pin, supporting are led
Rail, limiting plate, connecting rod, upper supporting, lower support, fixing guide bracket, compression spring, eccentric claw, claw fulcrum post, workpiece, workpiece
Bearing, stretching spring, upper spring seat, lower spring cup, described driving lever bearing can horizontally slip and be arranged on support rails, and driving lever sets
Putting on driving lever bearing, described cylinder includes that cylinder body and piston rod, described cylinder body are fixed in frame, the right-hand member of described piston rod
Connecting driving lever bearing, 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
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 on
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 connecting rod
Lower end be provided with lower support, the laminating of the upper end of described lower support and lever, described compression spring and connecting rod concentric arrange, pressure
The upper end of contracting spring and the laminating of fixing guide bracket, the lower end of compression spring and lower support laminating, the middle-end of described eccentric claw is passed through
Claw fulcrum post is hinged in frame, one end of described eccentric claw and upper support hinge, and described upper spring seat is fixed on and props up
Holding, described lower spring cup is fixed on lower support, and the two ends of described stretching spring connect upper spring seat and lower spring cup respectively,
Described workpiece is placed on workpiece support, and workpiece is positioned 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 the present invention, has the following advantages and effect: air cylinder driven driving lever bearing is along support rails
Sliding to the right, driving lever drive lever is around lever bearing pin counter-clockwise swing, and passes through lower support drivening rod upward sliding, connecting rod
Upper supporting drive eccentric card pawl be flapped toward counterclockwise workpiece and its clamp.Now, if cylinder breaks down, due to limiting plate
The supporting role of driving lever, mechanism remains to reliably keep clamped condition.The Main Function of compression spring is for producing elastic clip
Clamp force also makes lever stably lean against on limiting plate.The coefficient of elasticity of stretching spring is less, is used for preventing eccentric claw in clamping
Vibration is produced during workpiece.Be provided with sliding guide sleeve between connecting rod and fixing guide bracket, decrease connecting rod and fixing guide bracket it
Between abrasion, beneficially connecting rod smoothly moves up and down.The side of lever is provided with limiting plate, it is achieved limit lever swing
Position.The present invention remains to the clamped condition continuing to keep workpiece after cylinder breaks down, rational in infrastructure, good reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of supporting in the present invention.
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. fix guide bracket, 13. compression springs, 14. eccentric claws, 15. claws
Fulcrum post, 16. workpiece, 17. workpiece supports, 18. stretching 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.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following example are to this
Bright explanation and the invention is not limited in following example.
As depicted in figs. 1 and 2, a kind of eccentric claw clamping device, it includes frame 1, cylinder 2, driving lever bearing 3, driving lever
4, 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, stretching 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
State the inner side of claw 23 to be provided with non-slip bumps 25, beneficially driving lever 4 and drive lever 5 to swing back and forth.The upper end of described lever 5 sets
Being set to arc-shaped, the side of described lever 5 is provided with limiting plate 8, it is achieved carry 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, beneficially connecting rod 9 and transport the most 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
The upper end laminating of lever 5, described compression spring 13 and the setting of connecting rod 9 concentric, the upper end of compression spring 13 and fixing guide bracket 12
Laminating, lower end and the lower support 11 of compression spring 13 are fitted.The middle-end of described eccentric claw 14 is hinged by claw fulcrum post 15
In frame 1, one end and the upper supporting 10 of described eccentric claw 14 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 stretching 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 positioned at the side of eccentric claw 14.
By technique scheme, when one bias claw clamping device of the present invention uses, cylinder 2 drives driving lever bearing 3
Sliding to the right along support rails 7, driving lever 4 drives lever 5 around lever bearing pin 6 counter-clockwise swing, and is carried by lower support 11
Dynamic connecting rod 9 upward sliding, the upper supporting 10 of connecting rod 9 drives eccentric claw 14 be flapped toward workpiece 16 counterclockwise and it is clamped.Now,
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.Pressure
The Main Function of contracting spring 13 is for producing elastic clip clamp force and making lever 5 stably lean against on limiting plate 8.Stretching spring 18
Coefficient of elasticity is less, is used for preventing eccentric claw 14 from producing vibration during clamping workpiece 16.The present invention occurs at cylinder 2
The clamped condition continuing to keep workpiece 16 is remained to after fault, rational in infrastructure, good reliability.
Above content described in this specification is only illustration made for the present invention.Technology belonging to the present invention
Described specific embodiment can be made various amendment or supplements or use similar mode by the technical staff in field
Substitute, without departing from the content of description of the invention or surmount scope defined in the claims, all should be belonged to this
The protection domain of invention.
Claims (3)
1. an eccentric 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, stretching 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 that cylinder body and piston rod, described cylinder body are 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, the upper end laminating of described lower support and lever, described compression spring and company
Bar concentric is arranged, the upper end of compression spring and the laminating of fixing guide bracket, 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, one end of described eccentric 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 stretching spring connect bullet respectively
Spring abutment and lower spring cup, described workpiece is placed on workpiece support, and workpiece is positioned at the side of eccentric claw.
A kind of eccentric claw clamping device the most according to claim 1, it is characterised in that: described connecting rod and fixing guide bracket it
Between be provided with sliding guide sleeve.
A kind of eccentric claw clamping device the most according to claim 1, 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 |
|---|---|---|---|
| CN201610703989.1A CN106217090A (en) | 2016-08-23 | 2016-08-23 | A kind of eccentric claw clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610703989.1A CN106217090A (en) | 2016-08-23 | 2016-08-23 | A kind of eccentric claw clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106217090A true CN106217090A (en) | 2016-12-14 |
Family
ID=57552899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610703989.1A Pending CN106217090A (en) | 2016-08-23 | 2016-08-23 | A kind of eccentric claw clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106217090A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108466075A (en) * | 2018-06-28 | 2018-08-31 | 苏州工业职业技术学院 | A kind of vapour-pressure type Automatic-clamping jig |
| CN108639377A (en) * | 2018-06-29 | 2018-10-12 | 长沙市云智航科技有限公司 | A kind of aircraft lift test device and method |
| CN111451339A (en) * | 2020-05-18 | 2020-07-28 | 淮安信息职业技术学院 | Eccentric connecting rod torsion device |
| CN112621265A (en) * | 2020-12-07 | 2021-04-09 | 安徽科达汽车轴瓦有限公司 | Bearing bush hydraulic positioning clamping device |
| CN113600882A (en) * | 2021-09-23 | 2021-11-05 | 重庆建设汽车系统股份有限公司 | Milling fixture structure and milling method for vane of rotary vane compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102990563A (en) * | 2012-12-09 | 2013-03-27 | 重庆天之道科技发展有限公司 | Eccentric clamping fixture |
| CN203566302U (en) * | 2013-05-30 | 2014-04-30 | 吴江市立兴精密五金有限公司 | Rapid eccentric wheel clamp |
| CN103769910A (en) * | 2012-10-25 | 2014-05-07 | 西安志越机电科技有限公司 | Eccentric cam self-locking type pressing clamp |
| CN205968328U (en) * | 2016-08-23 | 2017-02-22 | 浙江申腾涂层织物有限公司 | Eccentric jack catch clamping device |
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2016
- 2016-08-23 CN CN201610703989.1A patent/CN106217090A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103769910A (en) * | 2012-10-25 | 2014-05-07 | 西安志越机电科技有限公司 | Eccentric cam self-locking type pressing clamp |
| CN102990563A (en) * | 2012-12-09 | 2013-03-27 | 重庆天之道科技发展有限公司 | Eccentric clamping fixture |
| CN203566302U (en) * | 2013-05-30 | 2014-04-30 | 吴江市立兴精密五金有限公司 | Rapid eccentric wheel clamp |
| CN205968328U (en) * | 2016-08-23 | 2017-02-22 | 浙江申腾涂层织物有限公司 | Eccentric jack catch clamping device |
Non-Patent Citations (1)
| Title |
|---|
| 吴拓: "《机床夹具设计集锦》", 31 March 2012 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108466075A (en) * | 2018-06-28 | 2018-08-31 | 苏州工业职业技术学院 | A kind of vapour-pressure type Automatic-clamping jig |
| CN108639377A (en) * | 2018-06-29 | 2018-10-12 | 长沙市云智航科技有限公司 | A kind of aircraft lift test device and method |
| CN111451339A (en) * | 2020-05-18 | 2020-07-28 | 淮安信息职业技术学院 | Eccentric connecting rod torsion device |
| CN112621265A (en) * | 2020-12-07 | 2021-04-09 | 安徽科达汽车轴瓦有限公司 | Bearing bush hydraulic positioning clamping device |
| CN112621265B (en) * | 2020-12-07 | 2021-09-21 | 安徽科达汽车轴瓦有限公司 | Bearing bush hydraulic positioning clamping device |
| CN113600882A (en) * | 2021-09-23 | 2021-11-05 | 重庆建设汽车系统股份有限公司 | Milling fixture structure and milling method for vane of rotary vane compressor |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161214 |