CN104384985A - Quick clamping type clamp - Google Patents
Quick clamping type clamp Download PDFInfo
- Publication number
- CN104384985A CN104384985A CN201410565266.0A CN201410565266A CN104384985A CN 104384985 A CN104384985 A CN 104384985A CN 201410565266 A CN201410565266 A CN 201410565266A CN 104384985 A CN104384985 A CN 104384985A
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- CN
- China
- Prior art keywords
- lever
- float plate
- quick
- fixture
- fulcrum
- 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
- 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
Abstract
The invention relates to a quick clamping type clamp, which comprises two to three press blocks, wherein the press blocks are used for clamping a workpiece, and are respectively connected with a floating plate, the floating plate is supported by a spring, a lever is arranged between the floating plate and the workpiece, a middle workpiece is respectively in contact with the lever and the floating plate, the other end of the lever is provided with a fulcrum and a fulcrum position adjusting structure, and the other end of the lever is provided with a power point and a corresponding power mechanism. The quick clamping type clamp has the advantages that after the workpieces are positioned by the clamp, the workpieces can be quickly clamped; when the workpieces are not simultaneously pressed by the press blocks, the floating plate can be automatically adjusted when the force is transferred by the middle part, and the workpieces are clamped; the clamping working efficiency of the workpieces is improved.
Description
Technical field
The present invention relates to field of machining, particularly after Workpiece fixing to the fixture carrying out Quick-clamped of workpiece.
Background technology
At present, during machining, after workpiece is located on the fixture of platen, Workpiece clamping and unclamping generally acts on by briquetting that workpiece realizes.Realize said process and mainly contain following several mode:
One, mechanical type: twist nut by spanner and screw rod screws, realizes the axially-movable of the relative screw rod of nut, and acts on briquetting.This screw rod is in the centre of briquetting, and there is support one end of briquetting, and another acts on workpiece.Its defect need be carried out with spanner when clamping workpiece and dismounting, when clamping point is more, takes time and effort very much, inefficiency.
Two, fluid pressure type: by the cylinder efficient in hydraulic system, the pull bar of oil cylinder is connected with briquetting, when oil cylinder backward stick action, briquetting accompany movement, thus realize the clamping of workpiece and unclamp.To be hydraulically operated fixture and lathe be its defect carries out special for a kind of product of batch machining, and the oil circuit of hydraulically operated fixture is placed in platen, and cylinder efficient position is also that relative processing work designs and fixes.When batch machining replacement of products kind, the clamping point position of its oil circuit, hydraulically operated fixture, cylinder efficient position need specialized factory to redesign layout, change very difficult.Hydraulically operated fixture also has cost high, oil consumption power consumption, the shortcomings such as maintenance workload is large.
Three, vapour-pressure type: the pull bar of cylinder is connected with briquetting, when air cylinder tie rod action, briquetting accompany movement, thus realize the clamping of workpiece and unclamp.To be air-actuated jaw and lathe be its defect carries out special for a kind of product of batch machining, when batch machining product carries out replacing kind, is suitable for difficulty.Air clamp has clamping force inadequate, and it is unreliable etc. to clamp.
Summary of the invention
For the deficiency of above-mentioned mechanical type, fluid pressure type and vapour-pressure type fixture, when the object of this invention is to provide Workpiece clamping and unclamp operating efficiency high, when changing product fixture easily change, the fixture of the reliable a kind of Quick-clamped of clamping force.
The fixture of this Quick-clamped, it is characterized in that, comprise 2-3 are implemented clamping briquetting to workpiece, described briquetting is all connected with same float plate, float plate relies on the support of spring, and be provided with lever between float plate and workpiece, middleware contacts with float plate with lever respectively, lever one end is fulcrum and position of the fulcrum governor motion, and the other end of lever is power point and corresponding actuating unit.
Briquetting and float plate be connected with two kinds of modes: directly and float plate chain connection, also can be connected by connecting rod with float plate.
The support of the floating dependence spring of float plate, support pattern has two kinds, and one arranges spring in float plate bottom, and one is hung by float plate spring.
The center of gravity of described briquette structure in corresponding roller side, described briquetting under Gravitative Loads with described corresponding roller contact.
Described position of the fulcrum governor motion, comprise the top board that two are fixed on column on substrate and column upper end, column both sides have gathering sill, and balance pivot is lever both sides straight pins, described straight pin is placed in the supporting base be made up of base and upper cover, and supporting base two ends are placed in described gathering sill; This bearing arrangement is upper and lower symmetrical releasable structure, and supporting base bottom is by spring supporting; Screwed hole is had in the middle of the top board of governor motion, adjusting nut screws with screwed hole and contacts with upper cover through top board, by the position of the adjustable balance pivot of adjusting nut, and then by lever, middleware, float plate transmitting force, realize the adjustment of the clamping distance of briquetting and workpiece.
Described position of the fulcrum governor motion can also have following form: comprise the top board that two are fixed on column on substrate and column upper end, column both sides have gathering sill, and balance pivot is lever both sides straight pins, and described straight pin is placed in described gathering sill; Have screwed hole in the middle of the top board of governor motion, adjusting nut and screwed hole screw through top board and lever contact, by the position of the adjustable balance pivot of adjusting nut.
Described to force mechanisms, comprise a cam, cam is arranged in cam post, and cam post is fixed on substrate, and camshaft is felt at ease and one handle is housed, lever end is provided with one to power roller, cam and give power roller contact, pull handle with hand, moving cam can be with to rotate, utilizing cam by power being passed to lever to power roller, making lever motion.
The structure of described middleware does not limit described float plate and rotates in three directions in space, simultaneously the movement of the yet not force direction of restriction in described float plate, and middleware contacts as sphere-contact or linear contact lay with float plate; Distance between float plate and lever is 0 ~ 120mm, and when spacing is zero, described middleware is considered as cancelling.
One end of described lever is position of the fulcrum, and the other end of lever is to the position of action point of force mechanisms power, and the position of action point of the resistance of lever is between described position of the fulcrum and the position of action point of described power; The application point of resistance is called resistance arm to the distance of fulcrum, and the application point of power is called power arm to the distance of fulcrum, and described power arm length is 1.2 times of resistance arm length to 4 times;
Described cam girth is divided into working region, locking region and quick relieved areas, and quick relieved areas is a straight line string; Working region is the curve constantly increased apart from cam axle center distance, and the described origin of curve is 2 ~ 150mm apart from the distance in described cam axle center and End of Curve apart from the difference range of the distance in described cam axle center; Locking region is one section of center of circle circular arc concentric with camshaft hole.
Advantage of the present invention is: this fixture, can to workpiece Quick-clamped to after workpiece locking member; When each briquetting in fixture does not compress workpiece simultaneously, float plate can regulate automatically when described middleware transmitting force, and realizes the clamping to workpiece; Improve the clamping operating efficiency of workpiece.
Accompanying drawing explanation
Fig. 1 is that the master of embodiment one looks generalized section; Now workpiece is in briquetting clamped condition
Fig. 2 is that sectional schematic view is looked on a left side for embodiment one, and now workpiece is in briquetting clamped condition
Fig. 3 is float plate and the briquetting schematic diagram of embodiment two
In figure: 1, left briquetting, 2, workpiece support point, 3, workpiece, 4, adjusting nut, 5, adjusting support frame, 6, middleware, 7, right briquetting, 8, right roller, 9, right rolling wheel support frame, 10, right spring, 11, left spring, 12, substrate, 13, left wheel bracing frame, 14, left wheel, 15, cam, 16, handle, 17, workpiece holder, 18, float plate, 19, spring, 20, base, 21, straight pin, 22, upper cover, 23, lever, 24, to power roller, 25, column, 26, top board, 27, cam post, 28, side pressing block, 29, side wheel, 30, side wheel bracing frame.
Detailed description of the invention
Now by reference to the accompanying drawings, the present invention is described further.
The embodiment of embodiment one, two briquettings
In fig. 1 and 2, the fixture of this Quick-clamped, comprise left briquetting 1 and the right briquetting 7 of workpiece being implemented to clamping of hook-type, briquetting lower end is by the float plate 18 connecting and can move that is hinged, left spring 11 and right spring 10 are installed between float plate 18 and substrate 12, lever 23 is installed between float plate 18 and workpiece 3, lever 23 one end is fulcrum and position of the fulcrum governor motion, the other end of lever 23 is power point and corresponding actuating unit, the middle part of lever 23 is contacted with float plate 18 by middleware 6, lever 23 transmitting force makes float plate 18 move, float plate 18 is implemented the clamping of workpiece 3 by briquetting or is unclamped.
Two briquettings respectively under Gravitative Loads with two roller contacts, left wheel 14 is arranged on left wheel bracing frame 13, and right roller 8 is arranged on right rolling wheel support frame 9, and left wheel bracing frame 13 and right rolling wheel support frame 9 are all fixed on the substrate 12; Described two briquettings respectively with corresponding roller contact, the center of gravity of briquetting must in roller side, and can not in workpiece side, and during to ensure that briquetting unclamps workpiece, roller is partial to by briquetting under its effect of conducting oneself with dignity, and keeps in touch with roller, opened by workpiece.
Described position of the fulcrum governor motion, comprise the top board 26 that two are fixed on column 25 on substrate and column 25 upper end, column 25 both sides have gathering sill, lever 23 fulcrum is a straight pin 21, through lever 23 and lever 23 interference fit, straight pin 21 exposed portion, lever 23 both sides is placed in the supporting base be made up of base 20 and upper cover 22, and supporting base two ends are placed in gathering sill; This bearing arrangement is upper and lower symmetrical releasable structure, and supporting base bottom is supported by spring 19; Screwed hole is had in the middle of the top board 26 of governor motion, adjusting nut 4 and screwed hole screw and contact with lever 23 through top board 26, by the position of adjusting nut 4 adjustable lever 23 fulcrum, and then by middleware 6, float plate 18 transmitting force, realize the adjustment of the clamping distance of briquetting and workpiece 3.
Described to force mechanisms, comprise a cam 15, cam 15 is arranged on the top of cam post 27, and cam post 27 is fixing on the substrate 12, and cam 15 axle center is fixed with one handle 16, lever 23 end is provided with one to power roller 24, cam 15 contacts with to power roller 24, pulls handle 16, moving cam 15 can be with to rotate with hand, utilizing cam 15 by power being passed to lever 23 to power roller 24, making lever 23 end produce motion.
Described cam 15 girth is divided into working region, locking region and quick relieved areas, and quick relieved areas is a straight line string; When cam turns clockwise, contact site enters into working region by quick relieved areas, realizes the clamping to workpiece, and working region is the curve constantly increased apart from cam axle center distance; Then enter locking region, locking region is a circular arc, and the center of circle is concentric with camshaft hole, thus the reliability realized Workpiece clamping and security.When cam is rotated counterclockwise, contact site enters into working region by locking region, unclamps gradually to workpiece, then enters quick relieved areas, thus completes unclamping workpiece.
The described position of middleware 6 and the position of action point of resistance, between lever and float plate, the transmission of power is realized by middleware 6, the structure of described middleware 6 does not limit the rotation of the described float plate that can move in three directions in space, simultaneously the movement in the yet not direction of the active force of restriction in described float plate;
During enforcement, middleware 6 is spheroid, has a conical pit in the middle part of lever 23, and also have a conical pit in float plate 18, spheroid is placed in conical pit simultaneously, and middleware 6 and lever are linear contact lay with contacting of float plate.
One end of described lever 23 is position of the fulcrum, and the other end of lever 23 is the position of action point of actuating unit power, and the position of action point of the resistance of lever 23 is between described position of the fulcrum and the position of action point of described power; The application point of resistance is called resistance arm to the distance of fulcrum, and the application point of power is called power arm to the distance of fulcrum, and described power arm length is 1.2 times of resistance arm length to 4 times.
Described middleware 6 has regulating action, and the distance between float plate 18 and lever 23 is 0 ~ 120mm; When spacing is zero, described middleware is considered as cancelling.
The embodiment of embodiment two, 3 briquettings
In figure 3, float plate periphery has 3 briquettings, and the basis of embodiment one adds side pressing block 28, side wheel 29, a side wheel bracing frame 30, and side pressing block 28 is connected with float plate 18, and all the other structures are identical with embodiment one.
Claims (10)
1. the fixture of a Quick-clamped, it is characterized in that, comprise 2-3 briquettings workpiece being implemented to clamping, described briquetting is all connected with same float plate, float plate relies on the support of spring, and be provided with lever between float plate and workpiece, middleware contacts with float plate with lever respectively, lever one end is fulcrum and position of the fulcrum governor motion, and the other end of lever is power point and corresponding actuating unit.
2. the fixture of a kind of Quick-clamped according to claim 1, is characterized in that, briquetting and float plate be connected with two kinds of modes: directly and float plate chain connection, also can be connected by connecting rod with float plate.
3. the fixture of a kind of Quick-clamped according to claim 1, is characterized in that, the support of the floating dependence spring of float plate, and support pattern has two kinds, and one arranges spring in float plate bottom, and one is hung by float plate spring.
4. the fixture of a kind of Quick-clamped according to claim 1, is characterized in that, the center of gravity of described briquette structure in corresponding roller side, described briquetting under Gravitative Loads with described corresponding roller contact.
5. the fixture of a kind of Quick-clamped according to claim 1, it is characterized in that, described position of the fulcrum governor motion, comprise the top board that two are fixed on column on substrate and column upper end, column both sides have gathering sill, balance pivot is lever both sides straight pins, and described straight pin is placed in the supporting base be made up of base and upper cover, and supporting base two ends are placed in described gathering sill; This bearing arrangement is upper and lower symmetrical releasable structure, and supporting base bottom is by spring supporting; Screwed hole is had in the middle of the top board of governor motion, adjusting nut screws with screwed hole and contacts with upper cover through top board, by the position of the adjustable balance pivot of adjusting nut, and then by middleware, float plate transmitting force, realize the adjustment of the clamping distance of briquetting and workpiece.
6. the fixture of a kind of Quick-clamped according to claim 1, it is characterized in that, described position of the fulcrum governor motion, comprise the top board that two are fixed on column on substrate and column upper end, column both sides have gathering sill, balance pivot is lever both sides straight pins, and described straight pin is placed in described gathering sill; Have screwed hole in the middle of the top board of governor motion, adjusting nut and screwed hole screw through top board and lever contact, by the position of the adjustable balance pivot of adjusting nut.
7. the fixture of a kind of Quick-clamped according to claim 1, it is characterized in that, described to force mechanisms, comprise a cam, cam is provided with handle, lever end is provided with to power roller, cam and give power roller contact, pull handle, moving cam can be with to rotate, utilizing cam by power being passed to lever to power roller, making lever motion.
8. the fixture of a kind of Quick-clamped according to claim 1, it is characterized in that, the structure of described middleware does not limit the rotation of described float plate in three directions in space, the simultaneously movement of the also not force direction of restriction in described float plate, middleware contacts as sphere-contact or linear contact lay with float plate; Distance between float plate and lever is 0 ~ 120mm, and when spacing is zero, described middleware is considered as cancelling.
9. the fixture of a kind of Quick-clamped according to claim 1, it is characterized in that, one end of described lever is position of the fulcrum, and the other end of lever is to the position of action point of force mechanisms power, and the position of action point of the resistance of lever is between described position of the fulcrum and the position of action point of described power; The application point of resistance is called resistance arm to the distance of fulcrum, and the application point of power is called power arm to the distance of fulcrum, and described power arm length is 1.2 times of resistance arm length to 4 times.
10. the fixture of a kind of Quick-clamped according to claim 6, is characterized in that, described cam girth is divided into working region, locking region and quick relieved areas, and quick relieved areas is a straight line string; Working region is the curve constantly increased apart from cam axle center distance, and the described origin of curve is 2-150mm apart from the distance in described cam axle center and End of Curve apart from the difference range of the distance in described cam axle center; Locking region is one section of center of circle circular arc concentric with camshaft hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410565266.0A CN104384985B (en) | 2014-10-22 | 2014-10-22 | A kind of fixture of Quick-clamped |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410565266.0A CN104384985B (en) | 2014-10-22 | 2014-10-22 | A kind of fixture of Quick-clamped |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104384985A true CN104384985A (en) | 2015-03-04 |
| CN104384985B CN104384985B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410565266.0A Active CN104384985B (en) | 2014-10-22 | 2014-10-22 | A kind of fixture of Quick-clamped |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001642A (en) * | 2016-07-25 | 2016-10-12 | 无锡市曙光高强度紧固件有限公司 | Lathe for processing hardware |
| CN106112597A (en) * | 2016-08-12 | 2016-11-16 | 无锡欧玛森远洋工程设备有限公司 | A kind of Automatic-clamping sawing machine |
| CN106625744A (en) * | 2015-10-29 | 2017-05-10 | 广西大学 | Rolling wheel type three-paw manipulator |
| CN106697521A (en) * | 2017-02-16 | 2017-05-24 | 重庆市潼南简氏纸业包装有限责任公司 | Carton box fixing seat |
| TWI585305B (en) * | 2015-12-17 | 2017-06-01 | 國立成功大學 | Adjustable passive force-controlling device |
| CN106914372A (en) * | 2017-03-31 | 2017-07-04 | 广州盈光科技股份有限公司 | A kind of nano metal coating processing unit (plant) and technique |
| CN107662116A (en) * | 2017-10-02 | 2018-02-06 | 郁振平 | A kind of jig platform for Digit Control Machine Tool |
| CN107695729A (en) * | 2017-11-07 | 2018-02-16 | 米巴精密零部件（中国）有限公司 | A kind of bearing shell boring die for processing |
| CN107756431A (en) * | 2017-11-20 | 2018-03-06 | 长沙理工大学 | A kind of space single-degree-of-freedom four paws clamp system |
| CN107877373A (en) * | 2016-09-29 | 2018-04-06 | 宇龙计算机通信科技(深圳)有限公司 | Battery cover polishing clamp |
| CN108247449A (en) * | 2018-01-17 | 2018-07-06 | 马良彬 | A kind of building board surface grinding device |
| CN108481303A (en) * | 2018-06-07 | 2018-09-04 | 南京中高知识产权股份有限公司 | A kind of transferred product robot and its control method for Foundry Works |
| CN109551263A (en) * | 2018-12-09 | 2019-04-02 | 西安航天精密机电研究所 | Adjustable eccentric card is blue |
| CN110538892A (en) * | 2019-09-02 | 2019-12-06 | 芜湖瑞洲新材料有限公司 | positioning platform for detecting surface quality of stirring tank sealing head |
| CN111496879A (en) * | 2020-04-25 | 2020-08-07 | 郑培弘 | Novel new material cut apart device |
| CN112828165A (en) * | 2021-01-06 | 2021-05-25 | 铜陵蓝盾丰山微电子有限公司 | Clamping structure of production mold for lead frame and working method of clamping structure |
| CN114799855A (en) * | 2022-05-25 | 2022-07-29 | 苏州佳祺仕信息科技有限公司 | Angle positioning device and method for disc-shaped workpiece |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106625744A (en) * | 2015-10-29 | 2017-05-10 | 广西大学 | Rolling wheel type three-paw manipulator |
| TWI585305B (en) * | 2015-12-17 | 2017-06-01 | 國立成功大學 | Adjustable passive force-controlling device |
| CN106001642A (en) * | 2016-07-25 | 2016-10-12 | 无锡市曙光高强度紧固件有限公司 | Lathe for processing hardware |
| CN106112597A (en) * | 2016-08-12 | 2016-11-16 | 无锡欧玛森远洋工程设备有限公司 | A kind of Automatic-clamping sawing machine |
| CN107877373A (en) * | 2016-09-29 | 2018-04-06 | 宇龙计算机通信科技(深圳)有限公司 | Battery cover polishing clamp |
| CN106697521A (en) * | 2017-02-16 | 2017-05-24 | 重庆市潼南简氏纸业包装有限责任公司 | Carton box fixing seat |
| CN106697521B (en) * | 2017-02-16 | 2018-09-04 | 重庆市潼南简氏纸业包装有限责任公司 | Carton fixed seat |
| CN106914372A (en) * | 2017-03-31 | 2017-07-04 | 广州盈光科技股份有限公司 | A kind of nano metal coating processing unit (plant) and technique |
| CN107662116A (en) * | 2017-10-02 | 2018-02-06 | 郁振平 | A kind of jig platform for Digit Control Machine Tool |
| CN107662116B (en) * | 2017-10-02 | 2019-09-03 | 郁振洋 | A kind of jig platform for numerically-controlled machine tool |
| CN107695729A (en) * | 2017-11-07 | 2018-02-16 | 米巴精密零部件（中国）有限公司 | A kind of bearing shell boring die for processing |
| CN107756431A (en) * | 2017-11-20 | 2018-03-06 | 长沙理工大学 | A kind of space single-degree-of-freedom four paws clamp system |
| CN107756431B (en) * | 2017-11-20 | 2024-01-26 | 长沙理工大学 | Space single-degree-of-freedom four-jaw clamping mechanism |
| CN108247449A (en) * | 2018-01-17 | 2018-07-06 | 马良彬 | A kind of building board surface grinding device |
| CN108481303A (en) * | 2018-06-07 | 2018-09-04 | 南京中高知识产权股份有限公司 | A kind of transferred product robot and its control method for Foundry Works |
| CN109551263A (en) * | 2018-12-09 | 2019-04-02 | 西安航天精密机电研究所 | Adjustable eccentric card is blue |
| CN109551263B (en) * | 2018-12-09 | 2023-11-17 | 西安航天精密机电研究所 | Adjustable eccentric cam flange |
| CN110538892A (en) * | 2019-09-02 | 2019-12-06 | 芜湖瑞洲新材料有限公司 | positioning platform for detecting surface quality of stirring tank sealing head |
| CN111496879A (en) * | 2020-04-25 | 2020-08-07 | 郑培弘 | Novel new material cut apart device |
| CN112828165A (en) * | 2021-01-06 | 2021-05-25 | 铜陵蓝盾丰山微电子有限公司 | Clamping structure of production mold for lead frame and working method of clamping structure |
| CN112828165B (en) * | 2021-01-06 | 2023-07-11 | 铜陵蓝盾丰山微电子有限公司 | Clamping structure of production mold for lead frame and working method of clamping structure |
| CN114799855A (en) * | 2022-05-25 | 2022-07-29 | 苏州佳祺仕信息科技有限公司 | Angle positioning device and method for disc-shaped workpiece |
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| CN104384985B (en) | 2016-06-29 |
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Denomination of invention: A fast clamping fixture Effective date of registration: 20211208 Granted publication date: 20160629 Pledgee: Changde Finance Guarantee Co.,Ltd. Pledgor: HUNAN KS MACHINE Co.,Ltd. Registration number: Y2021980014340 |
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