CN104308616A - Shell clamp - Google Patents
Shell clamp Download PDFInfo
- Publication number
- CN104308616A CN104308616A CN201410557420.XA CN201410557420A CN104308616A CN 104308616 A CN104308616 A CN 104308616A CN 201410557420 A CN201410557420 A CN 201410557420A CN 104308616 A CN104308616 A CN 104308616A
- Authority
- CN
- China
- Prior art keywords
- base
- pin
- hole
- bulb
- press plate
- 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
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- 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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Abstract
The invention relates to a shell clamp which comprises a base, a propelling device, a clamping device, a replaceable cylindrical pin, a replaceable edge cutting pin, a supporting plate and a support. A first pin hole is formed in the front part of the upper surface of the base; a second pin hole is formed in the back part of the upper surface of the base. The propelling device is arranged at left part of the upper surface of the base. The clamping device is located on the right of the propelling device and fixedly arranged on the base. The replaceable cylindrical pin is arranged in the first pin hole. The replaceable edge cutting pin is arranged in the second pin hole. The supporting plate is fixed at the upper surface of the base by a bolt. The support is located on the right of the propelling device and under the clamping device, and is fixed on the base by a bolt. The shell clamp disclosed by the invention has the advantages of reasonable structure, high working efficiency and the like; linkage clamping can be realized; the clamping efficiency is greatly improved; manpower is saved; the investment of production cost is reduced; the shell clamp can be conveniently and fast operated only by one person; the safety of worker operation is improved.
Description
Technical field
The present invention relates to jig Design technical field, specifically a kind of shell clamp.
Background technology
Gear oil pump is widely used in the industries such as oil, chemical industry, boats and ships, electric power, grain and oil, food, medical treatment, building materials, metallurgy and national defence scientific research.Along with the fast development of society, the demand of gear oil pump is increasing, the needs of factory constantly upgrade the needs that process equipment can catch up with society, if continuing to use traditional process equipment and processing method is the needs that impossible meet society always, fixture is a kind of technological equipment that enginerring works' back warp often uses, and is divided into jig, weld jig, assembling jig and inspection jig etc.When carrying out machining to workpiece, in order to ensure processing request, workpiece first to be made to have correct position relative to cutter and lathe, and this position is not changed because of the impact of external force in process.For this reason, before carrying out machining, first that clamping workpiece is good.The processing of gear oil pump housing also be unable to do without fixture, and housing is after casting completes, and need the operations such as boring, milling flat, surface planing, mill endoporus, this just needs various special fixture to complete the work of clamping, location.At present, fixture used in factory is just for the special fixture of a certain procedure, this adds increased the number of times of clamping and waste the valuable time, having various machining center in present factory, once can complete multiple working procedure, greatly increase operating efficiency, so be badly in need of a kind of fixture used that matches with machining center, thus give full play to the performance of machining center, realize determining location of workpiece object exactly, and it is clamped securely, to connect processed technological equipment.While meeting processing request, do not affect the processing route of cutter and tool changing and that part is processed is more convenient, reliably ensure the crudy of workpiece, improve working (machining) efficiency, reduce labor intensity, give full play to and expand the processing performance of lathe.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of reasonable in design, clamping efficiency is high, can not affect again the processing route of machine tool, i.e. a kind of shell clamp while ensureing machining accuracy.
Technical problem to be solved by this invention realizes by the following technical solutions:
A kind of shell clamp, comprises base, propulsion plant, clamping device, interchangeable straight pin, interchangeable chamfered edge pin, support plate and bearing.The described base left and right sides is equipped with ear seat, for the connection of lathe and fixture, the side of described base is provided with through hole, and the upper surface front portion of described base is provided with a pin-and-hole, the upper surface rear portion of described base is provided with No. two pin-and-holes, is provided with screwed hole on the right side of described base upper surface.Described propulsion plant is arranged on the upper surface left part of base, and the pinching action that propulsion plant is fixture provides clamping force.Described clamping device is positioned on the right side of propulsion plant, and is fixedly mounted on base, and clamping device, for clamping housing to be processed, limits the free degree of housing motion.Interchangeable straight pin is arranged in a pin-and-hole, for the location to hole.Interchangeable chamfered edge pin is arranged in No. two pin-and-holes, adopts the Reasonable Orientation that interchangeable chamfered edge pin both can ensure housing, crosses location drawback when can eliminate again plane and two pits location.Described support plate is fixed by screws in the upper surface of base, and support plate plays a part to carry housing, and can position the one side of housing.Described bearing is positioned on the right side of propulsion plant, below clamping device, and is fixed by screws on base.
Described propulsion plant comprises hydraulic cylinder body, stud, wedge and piston.Described hydraulic cylinder body is arranged on base by bolt; Described piston one end is provided with screwed hole, and described piston is arranged on hydraulic cylinder body inside, and through through hole; Described wedge is placed in the upper surface of bearing, and wedge one end is provided with screwed hole; Described stud one end is connected by screw thread with hydraulic cylinder, and the other end is connected by screw thread with wedge, and wedge can carry out horizontal slip on the surface of bearing under the promotion of piston.
Described clamping device comprises roller, flap, bulb hinged nail, bulb support nail, clamp system and roller stand.Described roller is connected with roller stand by pin; One end of described roller stand is spherical; Be provided with ball recess in the middle part of described flap, two ends are provided with through hole, and two ends have U-lag, and the bulb end of described bulb hinged nail is arranged in the ball recess of flap, and the other end and base are connected; Described clamp system symmetry is arranged on the flap left and right sides; Described bulb support nail is arranged in the screwed hole of base right-hand member.
Described clamp system comprises eyelet bolt, moving press plate, sphere band shoulder nut, spheric washer and back-moving spring.Described eyelet bolt through base, and is hinged with flap; Be provided with step in the middle part of described eyelet bolt, described back-moving spring is positioned on base, and below the step being enclosed within eyelet bolt, the reset of clamp system when back-moving spring is used for clamping and release; Be provided with waist through hole in the middle part of described moving press plate, and bottom surface is provided with the groove being parallel to length direction, moving press plate is positioned on the step of eyelet bolt, and eyelet bolt is through the waist through hole of moving press plate; Described bulb support nail is positioned at below moving press plate, and the bulb end of bulb support nail is placed in the groove of moving press plate; The bulb end of described roller stand is placed in the groove of moving press plate, and described spheric washer is positioned on moving press plate, and is arranged on eyelet bolt, and described sphere band shoulder nut is positioned on spheric washer, and screws mutually with eyelet bolt.
The quantity of described support plate is four.
The invention has the beneficial effects as follows: the present invention has reasonable in design, operating efficiency advantages of higher, interlock clamping can be realized, greatly improve clamping efficiency, save manpower, reduce the input of production cost, and only need one man operation, and convenient and swift, improve the security of operative.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is main TV structure schematic diagram of the present invention;
Fig. 2 is perspective view of the present invention;
Fig. 3 is plan structure schematic diagram of the present invention;
Fig. 4 is the B-B sectional view of Fig. 3;
Fig. 5 is the perspective view of base of the present invention;
Fig. 6 is the plan structure schematic diagram of base of the present invention;
Fig. 7 is the perspective view of propulsion plant of the present invention;
Fig. 8 is the main TV structure schematic diagram of propulsion plant of the present invention;
Fig. 9 is the perspective view of clamping device of the present invention;
Figure 10 is the main TV structure schematic diagram of clamping device of the present invention.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below the present invention being set forth further.
As shown in Figures 1 to 10, a kind of shell clamp, comprises base 1, propulsion plant 2, clamping device 3, interchangeable straight pin 4, interchangeable chamfered edge pin 5, support plate 6 and bearing 7.Described base 1 left and right sides is equipped with ear seat 101, for the connection of lathe and fixture, the side of described base 1 is provided with through hole 102, the upper surface front portion of described base 1 is provided with a pin-and-hole 103, the upper surface rear portion of described base 1 is provided with No. two pin-and-holes 105, is provided with screwed hole 104 on the right side of described base 1 upper surface.Described propulsion plant 2 is arranged on the upper surface left part of base 1, and the pinching action that propulsion plant 2 is fixture provides clamping force.Described clamping device 3 is positioned on the right side of propulsion plant 2, and is fixedly mounted on base 1, and clamping device 3, for clamping housing to be processed, limits the free degree of housing motion.Interchangeable straight pin 4 is arranged in a pin-and-hole 103, for the location to hole.Interchangeable chamfered edge pin 5 is arranged in No. two pin-and-holes 105, adopts the Reasonable Orientation that interchangeable chamfered edge pin 5 both can ensure housing, crosses location drawback when can eliminate again plane and two pits location.Described support plate 6 is fixed by screws in the upper surface of base 1, and support plate 6 plays a part to carry housing, and can position the one side of housing.Described bearing 7 is positioned on the right side of propulsion plant 2, below clamping device 3, and is fixed by screws on base 1.
Described propulsion plant 2 comprises hydraulic cylinder body 201, stud 202, wedge 203 and piston 204.Described hydraulic cylinder body 201 is arranged on base 1 by bolt; Described piston 204 one end is provided with screwed hole, and it is inner that described piston 204 is arranged on hydraulic cylinder body 201, and through through hole 102; Described wedge 203 is placed in the upper surface of bearing 7, and wedge 203 one end is provided with screwed hole; Described stud 202 one end is connected by screw thread with hydraulic cylinder 201, and the other end is connected by screw thread with wedge 203, and wedge 203 can carry out horizontal slip on the surface of bearing 7 under the promotion of piston 204.
Described clamping device 3 comprises roller 301, flap 302, bulb hinged nail 303, bulb support nail 305, clamp system and roller stand 3010.Described roller 301 is connected with roller stand 3010 by pin; One end of described roller stand 3010 is spherical; Be provided with ball recess in the middle part of described flap 302, two ends are provided with through hole, and two ends have U-lag, and the bulb end of described bulb hinged nail 303 is arranged in the ball recess of flap 302, and the other end and base 1 are connected; Described clamp system symmetry is arranged on flap 302 left and right sides; Described bulb support nail 305 is arranged in the screwed hole 104 of base 1 right-hand member.
Described clamp system comprises eyelet bolt 304, moving press plate 306, sphere band shoulder nut 307, spheric washer 308 and back-moving spring 309.Described eyelet bolt 304 through base 1, and is hinged with flap 302; Be provided with step in the middle part of described eyelet bolt 304, described back-moving spring 309 is positioned on base 1, and below the step being enclosed within eyelet bolt 304, back-moving spring 309 is for the reset of clamp system during clamping and release; Be provided with waist through hole 306a in the middle part of described moving press plate 306, and bottom surface is provided with the groove 306b being parallel to length direction, moving press plate 306 is positioned on the step of eyelet bolt 304, and eyelet bolt 304 is through the waist through hole 306a of moving press plate 306; Described bulb support nail 305 is positioned at below moving press plate 306, and the bulb end of bulb support nail 305 is placed in the groove 306b of moving press plate 306; The bulb end of described roller stand 3010 is placed in the groove 306b of moving press plate 306, described spheric washer 308 is positioned on moving press plate 306, and being arranged on eyelet bolt 304, described sphere band shoulder nut 307 is positioned on spheric washer 308, and screws mutually with eyelet bolt 304.
The quantity of described support plate 6 is four.
During work, first hydraulic cylinder is in compressive state, then housing is placed on support plate 6, and make the hole on housing through interchangeable straight pin 4 and interchangeable chamfered edge pin 5, the location to housing is realized by the locate mode of plane and two pits, then opening hydraulic cylinder makes the piston 204 of hydraulic cylinder outwards extend, and then drive the slip of wedge 203, wedge 203 continues to slide to the right, at this moment roller 301 rolls on wedge 203, and drive roller stand 3010 upward sliding, roller stand 3010 upward sliding drives the clamp system clamping body on the left side, meanwhile flap 302 rotates around button-head hinge nail 303, and drive the clamp system clamping body on the right, now, clamping work completes.Can process housing, when processing is completed, the piston 204 of hydraulic cylinder is retracted, and moving press plate 306 upwards lifts under the effect of back-moving spring 309, and now namely clamp system unclamps.
The present invention has the following advantages:
(1) change the mode of traditional manual clamping, improve actual clamping efficiency, the batched operation of clamping can be realized, and can match with machining center and use, fully play and expand the processing performance of lathe;
(2) reasonable in design, can realize interlock clamping, namely once-through operation can realize the work of control two clamp systems, reduces the labour intensity of workman, for operative provides conveniently;
(3) save manpower, only need one man operation, reduce the cost spent by clamping.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; the just principle of the present invention described in above-described embodiment and description; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (5)
1. a shell clamp, comprise base (1), propulsion plant (2), clamping device (3), interchangeable straight pin (4), interchangeable chamfered edge pin (5), support plate (6) and bearing (7), it is characterized in that: described base (1) left and right sides is equipped with ear seat (101), the side of described base (1) is provided with through hole (102), the upper surface front portion of described base (1) is provided with a pin-and-hole (103), the upper surface rear portion of described base (1) is provided with No. two pin-and-holes (105), screwed hole (104) is provided with on the right side of described base (1) upper surface, described propulsion plant (2) is arranged on the upper surface left part of base (1), described clamping device (3) is positioned at propulsion plant (2) right side, and is fixedly mounted on base (1), interchangeable straight pin (4) is arranged in a pin-and-hole (103), interchangeable chamfered edge pin (5) is arranged in No. two pin-and-holes (105), described support plate (6) is fixed by screws in the upper surface of base (1), described bearing (7) is positioned at propulsion plant (2) right side, clamping device (3) below, and is fixed by screws on base (1).
2. a kind of shell clamp according to claim 1, it is characterized in that: described propulsion plant (2) comprises hydraulic cylinder body (201), stud (202), wedge (203) and piston (204), described piston (204) one end is provided with screwed hole, it is inner that described piston (204) is arranged on hydraulic cylinder body (201), and through through hole (102), described wedge (203) is placed in the upper surface of bearing (7), wedge (203) one end is provided with screwed hole, described stud (202) one end is connected by screw thread with hydraulic cylinder (201), the other end is connected by screw thread with wedge (203).
3. a kind of shell clamp according to claim 1, it is characterized in that: described clamping device (3) comprises roller (301), flap (302), bulb hinged nail (303), bulb support nail (305), clamp system and roller stand (3010), described roller (301) is connected with roller stand (3010) by pin, one end of described roller stand (3010) is spherical, described flap (302) middle part is provided with ball recess, two ends are provided with through hole, and two ends have U-lag, and the bulb end of described bulb hinged nail (303) is arranged in the ball recess of flap (302), the other end and base (1) are connected, described clamp system symmetry is arranged on flap (302) left and right sides, described bulb support nail (305) is arranged in the screwed hole (104) of base (1) right-hand member.
4. a kind of shell clamp according to claim 3, it is characterized in that: described clamp system comprises eyelet bolt (304), moving press plate (306), sphere band shoulder nut (307), spheric washer (308) and back-moving spring (309), described eyelet bolt (304) is through base (1), and be hinged with flap (302), described eyelet bolt (304) middle part is provided with step, described back-moving spring (309) is positioned on base (1), and below the step being enclosed within eyelet bolt (304), described moving press plate (306) middle part is provided with waist through hole (306a), and bottom surface is provided with the groove (306b) being parallel to length direction, moving press plate (306) is positioned on the step of eyelet bolt (304), and eyelet bolt (304) is through the waist through hole (306a) of moving press plate (306), described bulb support nail (305) is positioned at moving press plate (306) below, and the bulb end of bulb support nail (305) is placed in the groove (306b) of moving press plate (306), the bulb end of described roller stand (3010) is placed in the groove (306b) of moving press plate (306), described spheric washer (308) is positioned on moving press plate (306), and be arranged on eyelet bolt (304), described sphere band shoulder nut (307) is positioned on spheric washer (308), and screw mutually with eyelet bolt (304).
5. a kind of shell clamp according to claim 1, is characterized in that: the quantity of described support plate (6) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557420.XA CN104308616A (en) | 2014-10-20 | 2014-10-20 | Shell clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557420.XA CN104308616A (en) | 2014-10-20 | 2014-10-20 | Shell clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104308616A true CN104308616A (en) | 2015-01-28 |
Family
ID=52363999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410557420.XA Pending CN104308616A (en) | 2014-10-20 | 2014-10-20 | Shell clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104308616A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802009A (en) * | 2015-04-09 | 2015-07-29 | 苏州华徕光电仪器有限公司 | Adjustable pneumatic miller fixture |
| CN104816180A (en) * | 2015-03-30 | 2015-08-05 | 安徽理工大学 | Power takeoff box drilling fixture |
| CN105855960A (en) * | 2016-05-30 | 2016-08-17 | 瑞立集团瑞安汽车零部件有限公司 | Portable multi-purpose quick self-locking fixture |
| CN106041203A (en) * | 2016-07-15 | 2016-10-26 | 郑州宇通客车股份有限公司 | Sectional material centring fixture and clamping mechanism thereof |
| CN108788841A (en) * | 2018-05-24 | 2018-11-13 | 鹰普（中国）有限公司 | A kind of preventing pinch deformation hydraulically operated fixture |
| CN108890357A (en) * | 2018-07-20 | 2018-11-27 | 黄河科技学院 | Inclined wedge traveller centering and clamping mechanism for automatic assembly line |
| CN110103140A (en) * | 2019-05-28 | 2019-08-09 | 河南四方达超硬材料股份有限公司 | A kind of mechanical clamping device of batch grinding diamond compact |
| CN113458824A (en) * | 2021-07-15 | 2021-10-01 | 安庆中船动力配套有限公司 | Cylinder cover conduit hole series machining tool and machining method |
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| EP0111368A2 (en) * | 1982-12-07 | 1984-06-20 | COMAU S.p.A. | Device for locating and locking a work holding pallet on a machine tool fixture |
| CN200950065Y (en) * | 2006-05-24 | 2007-09-19 | 王锦峰 | Semi-automatic splint device |
| CN201070716Y (en) * | 2007-08-03 | 2008-06-11 | 江苏罡阳股份有限公司 | Combined clamp for drilling semi-circle shaped groove |
| CN201357251Y (en) * | 2008-12-18 | 2009-12-09 | 潍坊潍柴零部件机械有限公司 | Drill jig for machining cylinder head hole |
| CN102490052A (en) * | 2011-12-19 | 2012-06-13 | 南京工业职业技术学院 | Milling machine clamp for shell components |
| CN202752897U (en) * | 2012-08-21 | 2013-02-27 | 山东新安凯科控科技有限公司 | Machining fixture for parallel holes and coaxial holes |
| CN203245643U (en) * | 2013-05-26 | 2013-10-23 | 黑龙江工程学院 | Linear feeding type connecting rod milling flute clamp |
| CN203679872U (en) * | 2013-09-12 | 2014-07-02 | 西安志越机电科技有限公司 | Hydraulic system for double-station connecting rod hole milling pressing device |
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2014
- 2014-10-20 CN CN201410557420.XA patent/CN104308616A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0111368A2 (en) * | 1982-12-07 | 1984-06-20 | COMAU S.p.A. | Device for locating and locking a work holding pallet on a machine tool fixture |
| CN200950065Y (en) * | 2006-05-24 | 2007-09-19 | 王锦峰 | Semi-automatic splint device |
| CN201070716Y (en) * | 2007-08-03 | 2008-06-11 | 江苏罡阳股份有限公司 | Combined clamp for drilling semi-circle shaped groove |
| CN201357251Y (en) * | 2008-12-18 | 2009-12-09 | 潍坊潍柴零部件机械有限公司 | Drill jig for machining cylinder head hole |
| CN102490052A (en) * | 2011-12-19 | 2012-06-13 | 南京工业职业技术学院 | Milling machine clamp for shell components |
| CN202752897U (en) * | 2012-08-21 | 2013-02-27 | 山东新安凯科控科技有限公司 | Machining fixture for parallel holes and coaxial holes |
| CN203245643U (en) * | 2013-05-26 | 2013-10-23 | 黑龙江工程学院 | Linear feeding type connecting rod milling flute clamp |
| CN203679872U (en) * | 2013-09-12 | 2014-07-02 | 西安志越机电科技有限公司 | Hydraulic system for double-station connecting rod hole milling pressing device |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816180A (en) * | 2015-03-30 | 2015-08-05 | 安徽理工大学 | Power takeoff box drilling fixture |
| CN104816180B (en) * | 2015-03-30 | 2017-02-01 | 安徽理工大学 | Power takeoff box drilling fixture |
| CN104802009A (en) * | 2015-04-09 | 2015-07-29 | 苏州华徕光电仪器有限公司 | Adjustable pneumatic miller fixture |
| CN105855960A (en) * | 2016-05-30 | 2016-08-17 | 瑞立集团瑞安汽车零部件有限公司 | Portable multi-purpose quick self-locking fixture |
| CN105855960B (en) * | 2016-05-30 | 2018-11-06 | 瑞立集团瑞安汽车零部件有限公司 | A kind of lightweight multipurpose fast self-locking fixture |
| CN106041203A (en) * | 2016-07-15 | 2016-10-26 | 郑州宇通客车股份有限公司 | Sectional material centring fixture and clamping mechanism thereof |
| CN108788841A (en) * | 2018-05-24 | 2018-11-13 | 鹰普（中国）有限公司 | A kind of preventing pinch deformation hydraulically operated fixture |
| CN108788841B (en) * | 2018-05-24 | 2019-10-22 | 鹰普（中国）有限公司 | A kind of preventing pinch deformation hydraulically operated fixture |
| CN108890357A (en) * | 2018-07-20 | 2018-11-27 | 黄河科技学院 | Inclined wedge traveller centering and clamping mechanism for automatic assembly line |
| CN110103140A (en) * | 2019-05-28 | 2019-08-09 | 河南四方达超硬材料股份有限公司 | A kind of mechanical clamping device of batch grinding diamond compact |
| CN113458824A (en) * | 2021-07-15 | 2021-10-01 | 安庆中船动力配套有限公司 | Cylinder cover conduit hole series machining tool and machining method |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150128 |