CN1765583A - Clamp fixture for diminishing key joint interval - Google Patents
Clamp fixture for diminishing key joint interval Download PDFInfo
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- CN1765583A CN1765583A CN 200410060594 CN200410060594A CN1765583A CN 1765583 A CN1765583 A CN 1765583A CN 200410060594 CN200410060594 CN 200410060594 CN 200410060594 A CN200410060594 A CN 200410060594A CN 1765583 A CN1765583 A CN 1765583A
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- mandrel
- groove
- wedge
- anchor clamps
- slide block
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Abstract
The invention relates to a clamp for eliminating the key linkage space, comprising a transition disk, a mandrel connected with transition disk and a clamp device mounted on the axle of mandrel. Wherein, said mandrel is hollow whose one end is connected to transition disk to through the wall of mandrel and have a slot with same size of key groove of work-piece; a device for eliminating key linkage space is mounted inside the mandrel which comprises a compression spring, a axial movable sliding block, a wedge plate in the groove on the sliding block and two wedges on the two sides of wedge plate. The top of wedge plate has a spring blade, a T-type pin in the groove under the sliding block and a compression spring sheathed on the T-type pin; the another end of mandrel has inner and outer screws, a top rod matched with inner screw, a nut matched with outer screw and a osnap washer for clamping work-piece; two wedge semi-keys are axially mounted in the groove of mandrel via two pins, to realize the elimination of key linkage space via adjusting top rod. The invention has reliable operation, higher accuracy and wider application.
Description
One. technical field: the present invention relates to a kind of anchor clamps of eliminating key connection clearance.
Two. background technology: well-known, key connection structure is very general in machine components, and when using these parts, key and keyway generally adopt transition or interference fit.But in processing or when measuring these parts, often also need, consider that when processing or when measuring the workpiece of band keyway work-handling is convenient with the keyway location, key and keyway cooperate and the workpiece endoporus all adopts matched in clearance with cooperating of mandrel.Because the mismachining tolerance of keyway makes that the gap length of this matched in clearance is uncertain, thereby influenced the positioning accuracy of workpiece, causes mismachining tolerance or measure error, for higher part of required precision such as bearing etc., this error be can not ignore.The present invention has solved above-mentioned problem by improving design.
Three. main contents of the present invention
Purpose of the present invention: overcome the defective of existing technology, a kind of high reliability is provided, the anchor clamps of high-precision elimination key connection clearance.
Technical scheme of the present invention: this eliminates the anchor clamps of key connection clearance, contain transition disc, the mandrel that connects with transition disc, and be loaded on the clamping device of mandrel axle head, mandrel is a hollow-core construction, one end is connected with transition disc with screw, run through mandrel one side thickness have with by the sizable groove of clamping workpiece keyway, the mechanism of eliminating key connection clearance is housed in the mandrel inner chamber, it contains the compression spring, the axially-displaceable movable slider, in the groove on slide block top, be placed with wedge and be positioned at two chocks of wedge both sides, spring leaf is equipped with at the wedge top, is placed with T type pin in one the groove in the slide block bottom, is set with a compression spring on the T type pin.This mandrel other end is processed with internal and external screw thread respectively, with the supporting push rod that is equipped with of internal thread, nut is installed and open washer is used for clamping work pieces with external screw thread is supporting.The both sides of groove offer two platforms vertically on mandrel, with two pins, two wedge shape half bonds in groove on two platforms, the axle and groove are radially run through in the two ends of groove.Wedge shape half bond top cooperates with wedge, and its underpart cooperates with two chocks.
Described removable slide block is that part is cylindrical, and top has three grooves side by side, and the bottom surface of three grooves is an inclined ladder shape structure, and the inclined ladder shape of both sides groove bottom is different with the inclined ladder shaped position of medial launder.Its underpart has a groove, and the bottom surface of groove is an inclined ladder shape structure.
With push rod one end of the supporting installation of mandrel internal thread be interior hexagonal, the other end is a ball head structure.
Wedge and two chocks and the contact position, slide block slot bottom surface that are positioned at the wedge both sides are cylindrical or spherical structure.On wedge and two cleat engagement surfaces, than the slightly wide groove that offers of chock.
Two wedge shape half bonds and pin loose fit, the wedge shape half bond is made with spring steel.Well width on the axle is more bigger than the width of keyway on the workpiece.
Beneficial effect of the present invention:
1. reliable operation of the present invention, the precision height, applied widely.Adopt the gap of axially-displaceable movable slider cancel key and keyway, removable slide block is equivalent to cam structure, by itself and wedge, chock and T type pin connect the change of bottom shape and position, and it is equal through calculating when making the cancel key joint gap by the suffered elastic force of suffered radial load of clamping workpiece keyway one side and corresponding diametric(al), so both guaranteed workpiece spindle core non-migration, realized the purpose that wedge shape half bond and workpiece keyway clamp again, the groove of while wedge shape half bond and anchor clamps mandrel is reliable grip also, eliminated the gap between key and the keyway, thereby guaranteed relative position between workpiece keyway and the anchor clamps mandrel groove, also just guaranteed the clamping positioning accuracy of workpiece.This structure is widely used in keyway and connects the processing of workpiece or the occasion of measurement.
2. compact conformation of the present invention, easy to use.Owing to adopted composite construction to make anchor clamps compact more, only need use the forward and reverse rotation push rod of spanner during use, just can make by the clamping of realization key and keyway under the situation of clamping workpiece axle core invariant position or unclamp.The clamp nut and the open washer that are installed on the axle end are assisted clamping and positioning as workpiece.
3. the present invention is safe in utilization, inclined ladder shape in the anchor clamps of described elimination key connection clearance, moving slider groove reaches the extreme higher position after wedge, T type pin and workpiece keyway are clamped, and continues mobile push rod this moment, wedge, T type pin slide in the horizontal plane of inclined ladder shape, and no longer rise.In like manner moving of two chocks also is to reach the extreme higher position after clamping, thereby just protected the safe handling of anchor clamps.
Four. description of drawings:
Fig. 1 eliminates key connection clearance clamp structure schematic diagram
Fig. 2 eliminates the key connection clearance clamp shaft to cutaway view
Fig. 3 moving slider front view
Fig. 4 moving slider left view
Fig. 5 moving slider vertical view
Five. the specific embodiment:
Embodiment: with reference to Fig. 1 Fig. 2 Fig. 3 Fig. 4 Fig. 5, mandrel 2 usefulness screws connect with transition disc 8.When adding clamping of workpieces, at first move push rod 10 with the spanner forward rotation, promoting slide block 3 forwards at threaded function lower push rod 10 moves, inclined ladder shape 14 in slide block 3 grooves, under 18 the effect, wedge 5 and T type pin 16 and spring 17 outwards move along the diameter of work direction respectively, under the inclined-plane on wedge 5 tops and the ramp effect of two wedge shape half bonds 4, the keyway that makes two wedge shape half bond distending tops and workpiece 1 is tight fit vertically, and the spring leaf 15 at compression wedge piece top, T type pin 16 and spring 17 compress with the workpiece endoporus simultaneously, and the axle core position of workpiece 1 is remained unchanged.This moment wedge 5, T type pin 16 inclined ladder shape 14,18 in slide block slot the horizontal plane position.Continue forward rotation and move push rod 10, in slide block 3 grooves under the effect of inclined ladder shape 13, two chocks 7 outwards move along warp-wise, the bottom of distending wedge shape half bond 4, make it to eliminate the gap vertically with the groove of mandrel 2, mobile push rod is continued in the horizontal plane position of two chocks 7 this moment inclined ladder shape 13 in slide block slot, the side of wedge and slide block are close to and can not move, and illustrate that keyway is clamped.Tighten clamp nut 9 afterwards, the open washer 11 and the end face of workpiece to be machined 1 are reliably compressed, can process or measure workpiece.When unclamping workpiece, backward rotation moves push rod 10, under the effect of spring 12, spring leaf 15 and spring 17, promoting slide block 3 oppositely moves, wedge 5, T type pin 16 move inward, drive two chocks 7 move inward unclamp in the workpiece through and keyway, can unclamp nut 9 this moment, take out open washer 11, unload workpiece 1.
Claims (5)
1. anchor clamps of eliminating key connection clearance, contain transition disc, the mandrel that connects with transition disc, and be loaded on the clamping device of mandrel axle head, it is characterized in that: mandrel is a hollow-core construction, one end is connected with transition disc with screw, run through mandrel one side thickness have with by the sizable groove of clamping workpiece keyway, the mechanism of eliminating key connection clearance is housed in the mandrel inner chamber, it contains the compression spring, the axially-displaceable movable slider, in the groove on slide block top, be placed with wedge and be positioned at two chocks of wedge both sides, spring leaf is equipped with at the wedge top, is placed with T type pin in one the groove in the slide block bottom, is set with a compression spring on the T type pin.This mandrel other end is processed with internal and external screw thread respectively, with the supporting push rod that is equipped with of internal thread, nut is housed and open washer is used for clamping work pieces with external screw thread is supporting.The both sides of groove offer two platforms vertically on mandrel, radially run through two wedge shape half bonds in groove on two platforms, the axle and the groove with two pins.Wedge shape half bond top cooperates with wedge, and its underpart cooperates with two chocks.
2. the anchor clamps of elimination key connection clearance according to claim 1, it is characterized in that: removable slide block is that part is cylindrical, top has three grooves side by side, and the bottom surface of three grooves is an inclined ladder shape structure, and the inclined ladder shape of both sides groove bottom is different with the inclined ladder shaped position of medial launder.Its underpart has a groove, and the bottom surface of groove is an inclined ladder shape structure.
3. according to claim 1 and 2 described anchor clamps, it is characterized in that: with push rod one end of the supporting installation of mandrel internal thread be interior hexagonal, the other end is a ball head structure.
4. according to claim 1 and 2 described anchor clamps, it is characterized in that: wedge and two chocks and the contact position, slide block slot bottom surface that are positioned at the wedge both sides are cylindrical or spherical structure.On wedge and two cleat engagement surfaces, than the slightly wide groove that offers of chock.
5. according to claim 1 and 2 described anchor clamps, it is characterized in that: two wedge shape half bonds and pin loose fit, the wedge shape half bond is made with spring steel.Well width on the axle is more bigger than the width of keyway on the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100605941A CN100445038C (en) | 2004-10-29 | 2004-10-29 | Clamp fixture for diminishing key joint interval |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100605941A CN100445038C (en) | 2004-10-29 | 2004-10-29 | Clamp fixture for diminishing key joint interval |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1765583A true CN1765583A (en) | 2006-05-03 |
| CN100445038C CN100445038C (en) | 2008-12-24 |
Family
ID=36741800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100605941A Expired - Fee Related CN100445038C (en) | 2004-10-29 | 2004-10-29 | Clamp fixture for diminishing key joint interval |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100445038C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7631856B2 (en) | 2007-07-06 | 2009-12-15 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Fixing device |
| CN102581665A (en) * | 2012-03-28 | 2012-07-18 | 无锡商业职业技术学院 | Fixture for elbows with space curves as axes |
| CN103487535A (en) * | 2012-06-08 | 2014-01-01 | 北京普源精电科技有限公司 | Injection pump of automatic sample injector |
| CN108942343A (en) * | 2018-09-30 | 2018-12-07 | 山西华翔集团股份有限公司 | A kind of air-conditioner compressor crankshaft eccentric shaft outer circle novel clamp |
| CN114393430A (en) * | 2022-02-23 | 2022-04-26 | 重庆渝江压铸有限公司 | Self-centering fixing device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3534662A1 (en) * | 1985-09-28 | 1987-04-09 | Huneke Karl | Guided driving head of an apparatus for penetrating the soil |
| US4738338A (en) * | 1986-03-24 | 1988-04-19 | Schandelmeier John L | Brake anti-squeal apparatus |
| DE4403426A1 (en) * | 1993-02-13 | 1994-08-18 | Audi Ag | Adjusting device for at least one cam |
| CN2251637Y (en) * | 1995-07-07 | 1997-04-09 | 俞启元 | Automatic compensating rotating compression engine |
| JP4506925B2 (en) * | 2001-05-22 | 2010-07-21 | 株式会社島津製作所 | Fixed position wedge grip |
| CN2595780Y (en) * | 2002-12-17 | 2003-12-31 | 刘金昌 | Expanding type raw paper clamp head |
-
2004
- 2004-10-29 CN CNB2004100605941A patent/CN100445038C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7631856B2 (en) | 2007-07-06 | 2009-12-15 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Fixing device |
| CN101337340B (en) * | 2007-07-06 | 2011-06-08 | 鸿富锦精密工业（深圳）有限公司 | Clamp |
| CN102581665A (en) * | 2012-03-28 | 2012-07-18 | 无锡商业职业技术学院 | Fixture for elbows with space curves as axes |
| CN103487535A (en) * | 2012-06-08 | 2014-01-01 | 北京普源精电科技有限公司 | Injection pump of automatic sample injector |
| CN103487535B (en) * | 2012-06-08 | 2017-04-19 | 北京普源精仪科技有限责任公司 | Injection pump of automatic sample injector |
| CN108942343A (en) * | 2018-09-30 | 2018-12-07 | 山西华翔集团股份有限公司 | A kind of air-conditioner compressor crankshaft eccentric shaft outer circle novel clamp |
| CN108942343B (en) * | 2018-09-30 | 2024-03-08 | 山西华翔集团股份有限公司 | Novel clamp for outer circle of crankshaft eccentric shaft of air conditioner compressor |
| CN114393430A (en) * | 2022-02-23 | 2022-04-26 | 重庆渝江压铸有限公司 | Self-centering fixing device |
| CN114393430B (en) * | 2022-02-23 | 2023-11-07 | 重庆渝江压铸有限公司 | Self-centering fixing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100445038C (en) | 2008-12-24 |
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Granted publication date: 20081224 Termination date: 20111029 |