CN201214191Y - Locating expansion mechanism - Google Patents
Locating expansion mechanism Download PDFInfo
- Publication number
- CN201214191Y CN201214191Y CNU2008200401238U CN200820040123U CN201214191Y CN 201214191 Y CN201214191 Y CN 201214191Y CN U2008200401238 U CNU2008200401238 U CN U2008200401238U CN 200820040123 U CN200820040123 U CN 200820040123U CN 201214191 Y CN201214191 Y CN 201214191Y
- Authority
- CN
- China
- Prior art keywords
- tightening piece
- gathering sill
- cover plate
- tension
- conical surface
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a positioning stretching device, which is characterized in that a top pin is arranged inside an inner hole of a tension seat in a sliding way; the upper end of the top pin is of a conical surface body; a lug boss is mounted on the top end part of the conical surface body; both sides of the top pin on the upper end surface of the tension seat are provided with a sliding groove; a first tension block and a second tension block are arranged inside the sliding grooves in a sliding way; the upper end surfaces of the first and the second tension blocks are respectively provided with a first guiding groove and a second guiding groove; a cushion block is respectively arranged inside the first and the second guiding grooves; the outer sides of the cushion blocks are respectively provided with a spring; a cover plate is arranged above the first and the second tension blocks; the lower end of the cover plate is provided with a baffle post that extends downwards; the baffle post is inserted into the guiding grooves; an installation hole is arranged inside the cover plate; and a return spring is inserted into the installation hole. When in use, the positioning stretching device has high positioning precision and correct measurement data, and is convenient to be operated; after the operation is completed, the tension blocks can be returned automatically to the original position, thereby being convenient for the taking of the measured work-piece.
Description
Technical field
The utility model relates to a kind of swelled does not have the gap detent mechanism, specifically can be used for the locating tensioning mechanism on the two accurate detent mechanisms of high accuracy such as pin one sides etc.
Background technology
At present, six-freedom degree is normally located by a plane, two alignment pins in two pin one side location, because there is error in the distance between pin-and-hole, so when making two pins, make columniform with one, another makes rhombus, thereby middle spacing is adjusted, Here it is normally used localization method, but always there is error in processing, cause between cylinder alignment pin and pin-and-hole error being arranged, the rhombus pin also has error with pin-and-hole, repeatedly uses the back wearing and tearing also can produce wear error in addition, thereby cause positioning accuracy poor, measurement data is inaccurate.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of positioning accuracy height is provided, makes the locating tensioning mechanism that measurement data is accurate, simple in structure, easy to operate.
The technical scheme that provides according to the utility model, described locating tensioning mechanism, the endoporus that it is included in tension base slidely connects ejector pin, the upper end of ejector pin is a conical surface body, conical surface body top ends is provided with installation base, both sides at tension base upper surface ejector pin offer the installation chute, sliding plug has first tightening piece and second tightening piece in chute is installed, first tightening piece forms the conical surface that tapering cooperates with conical surface body with the second tightening piece madial wall, offer first respectively at first tightening piece and the second tightening piece upper surface, second gathering sill, first, be respectively equipped with in second gathering sill and rely on first, cushion block on the second gathering sill madial wall, first, the cushion block outside of the second gathering sill inside is respectively equipped with spring, above first tightening piece and second tightening piece, be provided with cover plate, the cover plate lower end is provided with the bumping post that stretches out downwards, and described bumping post inserts in the gathering sill, is provided with installing hole in cover plate, be plugged with back-moving spring in installing hole, described back-moving spring lower end is enclosed within on the installation base.
Described cover plate upper surface offers the tank filler sleeve that is communicated with installing hole.
The described first tightening piece lateral wall bottom is provided with fin.
The described second tightening piece lateral wall bottom is provided with fin.
The positioning accuracy height made measurement data accurate when the utility model used, and simple in structure, easy to operate, and behind the end of operation, tightening piece can automatically reset, and makes things convenient for picking and placeing of measured workpiece.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As shown in Figure 1, locating tensioning mechanism of the present utility model is made up of tension base 1, ejector pin 2, conical surface body 3, installation base 4, first tightening piece 5, first gathering sill 6, gathering sill 7, cushion block 8, spring 9, cover plate 10, bumping post 11, installing hole 12, back-moving spring 13, fin 14, second tightening piece 15, cushion block 16, spring 17, fin 18, bumping post 19 etc.
The utility model adopts the endoporus at tension base 1 to slidely connect ejector pin 2, and the upper end of ejector pin 2 is a conical surface body 3, and conical surface body 3 top ends are provided with installation base 4.Both sides at tension base 1 upper surface ejector pin 2 offer the installation chute, sliding plug has first tightening piece 5 and second tightening piece 15 in chute is installed, first tightening piece 5 forms the conical surface that tapering cooperates with conical surface body 3 with second tightening piece, 15 madial walls, offer first gathering sill 6 and second gathering sill 7 at first tightening piece 5 respectively with tightening piece 15 upper surfaces, in first gathering sill 6, be provided with the cushion block 8 that relies on first gathering sill, 6 madial walls, and be provided with spring 9 in cushion block 8 outsides of first gathering sill, 6 inside.In second gathering sill 7, be provided with the cushion block 16 that relies on second gathering sill, 7 madial walls, cushion block 16 outsides in second gathering sill, 7 inside are provided with spring 17, be provided with cover plate 10 above first tightening piece 5 and second tightening piece 15, cover plate 10 lower ends are provided with the bumping post 11 and bumping post 19 that stretches out downwards.Described bumping post 11 inserts respectively in first gathering sill 6 and second gathering sill 7 with bumping post 19, is provided with installing hole 12 in cover plate 10, is plugged with back-moving spring 13 in installing hole 12, and described back-moving spring 13 lower ends are enclosed within on the installation base 4.
Offer the tank filler sleeve 20 that is communicated with installing hole 12 in cover plate 10 upper surfaces.Be provided with fin 14 in first tightening piece, 5 lateral wall bottoms, be provided with fin 18 in second tightening piece, 15 lateral wall bottoms.
The utility model structural principle and the course of work are: at first tension base 1 is locked on the workbench, then ejector pin 2 is inserted in the centre bore of tension base 1, again first tightening piece 5 and second tightening piece 15 are inserted in the installation chute of tension base 1, ejector pin 2 is made conical conical surface body 3, first tightening piece 5 and second tightening piece 15 are done in echelon angle and angle and ejector pin 2 taperings and are matched, make the tightening piece 5 of winning form the conical surface that tapering cooperates with conical surface body 3 with second tightening piece, 15 madial walls, ejector pin 2 is just realized the tensioner function when up pushing up.Bumping post 11 is inserted cover plate 10 and relative by the pin face with bumping post 19, and cushion block 8 and cushion block 16 are put into first tightening piece 5 and second tightening piece 15 respectively.The cover plate 10 that bumping post 11 and bumping post 19 will be housed again is locked on the tension base 1, put spring 9 and spring 17 respectively in the middle of bumping post 11 and cushion block 8 and bumping post 19 and the cushion block 16, add back-moving spring 13 purposes between cover plate 10 and the ejector pin 2 and be for can be after ejector pin 2 removes external force upwards, first tensioner fast 5 and second tensioner fast 15 can both automatically restore to original position.First tightening piece 5 and second tightening piece 15 are put into tension base 1 groove, make the tightening piece 5 of winning form the conical surface that tapering cooperates with conical surface body 3 with second tightening piece, 15 madial walls, be for can be when ejector pin 2 be up pushed up by external force F first tightening piece 5 and second tightening piece 15 can outwards slide and strut, but because first tightening piece 5 and second tightening piece 15 also are subjected to component upwards, so will on tension base 1, lock cover plate 10, allow first tightening piece 5 and second tightening piece 15 that the directionality guiding is arranged when sliding, in the middle of bumping post 11 and cushion block 8 and bumping post 19 and cushion block 16, put spring 9 and spring 17 respectively simultaneously, add back-moving spring 13 purposes between cover plate 10 and the ejector pin 2 and be for can be after removing the upwards external force of ejector pin 2, first tensioner fast 5 and second tensioner fast 15 can both automatically reset, and make things convenient for picking and placeing of measured workpiece.
Claims (4)
1, a kind of locating tensioning mechanism, it is characterized in that: the endoporus at tension base (1) slidely connects ejector pin (2), the upper end of ejector pin (2) is conical surface body (3), conical surface body (3) top ends is provided with installation base (4), both sides at tension base (1) upper surface ejector pin (2) offer the installation chute, sliding plug has first tightening piece (5) and second tightening piece (15) in chute is installed, first tightening piece (5) forms the conical surface that tapering cooperates with conical surface body (3) with second tightening piece (15) madial wall, offer first gathering sill (6) and second gathering sill (7) respectively in first tightening piece (5) and second tightening piece (15) upper surface, in first gathering sill (6), be provided with the cushion block (8) that relies on first gathering sill (6) madial wall, cushion block (8) outside inner at first gathering sill (6) is provided with spring (9), in second gathering sill (7), be provided with the cushion block (16) that relies on second gathering sill (7) madial wall, cushion block (16) outside inner at second gathering sill (7) is provided with spring (17), be provided with cover plate (10) in first tightening piece (5) and second tightening piece (15) top, cover plate (10) lower end is provided with the bumping post (11) and bumping post (19) that stretches out downwards, described bumping post (11) inserts in the gathering sill (7), in cover plate (10), be provided with installing hole (12), be plugged with back-moving spring (13) in installing hole (12), described back-moving spring (13) lower end is enclosed within on the installation base (4).
2, locating tensioning mechanism as claimed in claim 1 is characterized in that: described cover plate (10) upper surface offers the tank filler sleeve (20) that is communicated with installing hole (12).
3, locating tensioning mechanism as claimed in claim 1 is characterized in that: described first tightening piece (5) lateral wall bottom is provided with fin (14).
4, locating tensioning mechanism as claimed in claim 1 is characterized in that: described second tightening piece (15) lateral wall bottom is provided with fin (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200401238U CN201214191Y (en) | 2008-06-25 | 2008-06-25 | Locating expansion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200401238U CN201214191Y (en) | 2008-06-25 | 2008-06-25 | Locating expansion mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201214191Y true CN201214191Y (en) | 2009-04-01 |
Family
ID=40519401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200401238U Expired - Lifetime CN201214191Y (en) | 2008-06-25 | 2008-06-25 | Locating expansion mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201214191Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175123A (en) * | 2011-02-25 | 2011-09-07 | 武汉耀华安全玻璃有限公司 | Hole positioning tensioning device |
| CN102785095A (en) * | 2012-08-08 | 2012-11-21 | 重庆百吉四兴压铸有限公司 | Positioning device for crankshaft hole and camshaft hole of motorcycle engine box body |
| CN107009162A (en) * | 2017-06-16 | 2017-08-04 | 东莞市银辰精密光电股份有限公司 | A kind of elastic beryllium copper fine positioning structure |
-
2008
- 2008-06-25 CN CNU2008200401238U patent/CN201214191Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175123A (en) * | 2011-02-25 | 2011-09-07 | 武汉耀华安全玻璃有限公司 | Hole positioning tensioning device |
| CN102175123B (en) * | 2011-02-25 | 2012-10-10 | 武汉耀华安全玻璃有限公司 | Hole positioning tensioning device |
| CN102785095A (en) * | 2012-08-08 | 2012-11-21 | 重庆百吉四兴压铸有限公司 | Positioning device for crankshaft hole and camshaft hole of motorcycle engine box body |
| CN102785095B (en) * | 2012-08-08 | 2016-06-15 | 重庆百吉四兴压铸有限公司 | The locating device of engine case of motorcycle crankshaft hole and camshaft hole |
| CN107009162A (en) * | 2017-06-16 | 2017-08-04 | 东莞市银辰精密光电股份有限公司 | A kind of elastic beryllium copper fine positioning structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 214192 Xishan Economic Development Zone, Jiangsu, Rong Rong Road No. 75, No. Patentee after: FRIEDRICH MEASUREMENT INSTRUMENT CO., LTD. Address before: 214191 No. 52, Xin Xin Road, Xishan Economic Development Zone, Xishan District, Jiangsu, Wuxi Patentee before: Wuxi Friedrich Precision Machinery Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090401 |
|
| CX01 | Expiry of patent term |