CN204954613U - Fixture device - Google Patents
Fixture device Download PDFInfo
- Publication number
- CN204954613U CN204954613U CN201520437480.8U CN201520437480U CN204954613U CN 204954613 U CN204954613 U CN 204954613U CN 201520437480 U CN201520437480 U CN 201520437480U CN 204954613 U CN204954613 U CN 204954613U
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- CN
- China
- Prior art keywords
- plate
- axle
- spring housing
- right location
- location
- 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 - Fee Related
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Abstract
Fixture device is including mandrel, fixed pin, left locating plate, pull rod, backup pad, right locating plate, spring housing, clamp plate, area shoulder nut, jackscrew bolt and clamping device, fixture device's center is provided with the mandrel, is provided with the work piece on the mandrel, and one side that the pull rod is close to right locating plate is provided with the backup pad, and the one end of being close to left locating plate on the mandrel is provided with the fixed pin, and the one end of being close to right locating plate on the mandrel is provided with spring housing and clamp plate, and one side that the spring housing deviates from right locating plate is provided with the clamp plate, and one side that the clamp plate deviates from the spring housing is provided with area shoulder nut, one side that fixture device is located right locating plate is provided with a pair of jackscrew bolt, fixture device's both ends are provided with clamping device, clamping device and fixture device cooperate, are provided with the steel ball between top and mandrel among the clamping device, change the face contact into line contact, have eliminated the influence of centre bore precision to the work piece machining precision, can show the circularity that improves the work piece, the quality of improvement grinding work piece.
Description
Technical field
The utility model relates to Milling Process field, especially a kind of grip device.
Background technology
In manufacture process, need part again to process grinding, to reach different demands, some part walls are thinner, because part wall thickness is thinner, at the outer bowlder of grinding, if do not taken measures, usually can because of clamping force, grinding force, the reason such as grinding heat, internal stress, makes workpiece produce larger distortion, can not ensure the crudy of part; When some grip devices adopt axle clamping with tapering, workpiece is under the effect of clamping force, and the radial component produced due to the effect of cone can make workpiece deformation; In addition, due to when grinding, the interior pen and ink of workpiece are cut heat and are are not easily scattered and disappeared, and grinding heat is also the reason always causing thin-walled parts to be out of shape; Due to workpiece deformation, after grinding, workpiece can form saddle-shape, be difficult to ensure Roundness of Workpiece and coaxiality error requirement, rational process program must be adopted just to guarantee the crudy of part by design specialized fixture; When employing two top clamping workpiece, two top, two centre bore coaxiality errors will directly affect the machining accuracy of workpiece, and the crudy of part requirements is difficult to ensure.
The utility model is exactly the improvement carried out to overcome the above problems.
Utility model content
The purpose of this utility model is to provide one and reduces workpiece deformation, improves crudy, installs firmly, the grip device of convenient disassembly and raising work efficiency.
The technical scheme that the utility model adopts for its technical problem of solution is:
Grip device, comprises axle, steady pin, left location-plate, pull bar, gripper shoe, right location-plate, spring housing, pressing plate, band shoulder nut, jackscrew bolt and clamping apparatus, the center of grip device is provided with axle, axle is provided with workpiece, pull bar is provided with above axle, gripper shoe, left location-plate and right location-plate, pull bar and centre axis parallel, the two ends of pull bar are provided with left location-plate and right location-plate, left location-plate and right location-plate fix with axle two ends respectively, pull bar is provided with gripper shoe near the side of right location-plate, gripper shoe extends downward the below of axle, the center line of left location-plate and right location-plate and the axis of axle are positioned on same level line, one end near left location-plate in axle is provided with steady pin, one end near right location-plate in axle is provided with spring housing and pressing plate, the two sides up and down of spring housing lay respectively at outside two sides up and down of axle, the side, both sides up and down of spring housing is inserted in the gap between axle and right location-plate respectively, the side that spring housing deviates from right location-plate is provided with pressing plate, the side that pressing plate deviates from spring housing is provided with band shoulder nut, band shoulder nut is positioned on the central axis of axle, the side that grip device is positioned at right location-plate is provided with a pair jackscrew bolt, and jackscrew bolt penetrates right location-plate and is connected with the two ends up and down of gripper shoe, the two ends of grip device are provided with clamping apparatus, the central axis of clamping apparatus and the central axis of axle are positioned on same level line, clamping apparatus comprises top and steel ball, steel ball is between top and axle, conical socket is provided with in top, the both sides of steel ball adapt with the conical socket of top conical socket and axle respectively, and axle is positioned at spring housing place and is provided with tapering, and the tapering of tapering and spring housing that axle is positioned at spring housing place adapts,
In one embodiment, the two ends of axle are provided with conical socket, can match with clamping device;
In one embodiment, in spring housing, being provided with certain tapering, when turning on jackscrew bolt, conveniently under the effect of spring force, dismantling workpiece;
Operation principle is: when using grip device, first with steady pin, left location-plate is fixed in axle, then gripper shoe is installed at the other end of axle, with the good endoporus of work pieces process for positioning datum loads fixture, again right location-plate to be contained in axle and to coordinate with inner bore of part, grip device inserts two pull bars and with the nut check of band shoulder, so just Workpiece clamping is fixed; And then in the gap of spring housing being inserted between axle and right location-plate, pressing plate is installed, tightens the band shoulder nut in axle, spring housing is pressed into, spring housing just can play self-centering action, and the axis of axle and the axis of workpiece are consistent, and fixture is with regard to installation; After work pieces process is good, first unclamp band shoulder nut, turn jackscrew bolt, right location-plate just can drive spring housing to exit workpiece in opposite direction, and grip device just can have been dismantled easily.
The utility model has the advantage of:
1. left location-plate and right location-plate to be fixed in axle and to match with inner bore of part, and with jackscrew bolt, the draw lever locking on grip device is fixed, can, by work piece on grip device, avoid causing workpiece deformation because workpiece in process is insecure, the quality of impact processing.
2. be provided with tapering in spring housing, the spring housing of band internal taper is inserted in the gap between axle and right location-plate, tighten the band shoulder nut in axle, spring housing is pressed into, spring housing can be made to play self centering effect, fixture is installed more firm.
3. spring housing and the press-in of right location-plate are fixed together by pressing plate by band shoulder nut, when turning on jackscrew bolt, under the effect of spring housing elastic force, right location-plate can be driven to exit workpiece in opposite direction, making grip device dismantle workpiece convenient.
4. clamping apparatus matches with grip device, is provided with steel ball in clamping apparatus between top and axle, changes face contact into linear contact lay, eliminates the impact of centre bore precision on Workpiece Machining Accuracy, can significantly improve the circularity of workpiece, improve the quality of grinding work piece.
5. the structure of grip device is simple, practical, and jig Design is reasonable, and application is convenient, low cost of manufacture, workpiece dismounting is easy, highly versatile, and result of use is good, effectively can guarantee the quality of work pieces process, can work efficiency be improved again, be applicable to the batch production of large diameter thin wall class workpiece.
Accompanying drawing explanation
Fig. 1 is the structural representation of the grip device that the utility model proposes.
Detailed description of the invention
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with diagram and specific embodiment, setting forth the utility model further.
With reference to shown in Fig. 1, this grip device comprises axle 1, steady pin 2, left location-plate 3, pull bar 4, gripper shoe 5, right location-plate 6, spring housing 7, pressing plate 8, band shoulder nut 9, jackscrew bolt 10 and clamping apparatus 11, the center of grip device is provided with axle 1, axle 1 is provided with workpiece 12, pull bar 4 is provided with above axle 1, gripper shoe 5, left location-plate 3 and right location-plate 6, pull bar 4 is parallel with axle 1, the two ends of pull bar 4 are provided with left location-plate 3 and right location-plate 6, left location-plate 3 and right location-plate 6 fix with axle 1 two ends respectively, pull bar 4 is provided with gripper shoe 5 near the side of right location-plate 6, gripper shoe 5 extends downward the below of axle 1, the center line of left location-plate 3 and right location-plate 6 and the axis of axle 1 are positioned on same level line, one end near left location-plate 3 in axle 1 is provided with steady pin 2, one end near right location-plate 6 in axle 1 is provided with spring housing 7 and pressing plate 8, the two sides up and down of spring housing 7 lay respectively at outside two sides up and down of axle 1, the side, both sides up and down of spring housing 7 is inserted in the gap between axle 1 and right location-plate 6 respectively, the side that spring housing 7 deviates from right location-plate 6 is provided with pressing plate 8, the side that pressing plate 8 deviates from spring housing 7 is provided with band shoulder nut 9, band shoulder nut 9 is positioned on the central axis of axle 1, the side that grip device is positioned at right location-plate 6 is provided with a pair jackscrew bolt 10, and jackscrew bolt 10 penetrates right location-plate 6 and is connected with the two ends up and down of gripper shoe 5, the two ends of grip device are provided with clamping apparatus 11, the central axis of clamping apparatus 11 and the central axis of axle 1 are positioned on same level line, clamping apparatus 11 comprises top 111 and steel ball 112, steel ball 112 is between top 111 and axle 1, conical socket is provided with in top 111, the both sides of steel ball 112 adapt with the conical socket of top 111 and the conical socket of axle 1 respectively, axle 1 is positioned at spring housing 7 place and is provided with tapering, and the tapering of tapering and spring housing 7 that axle 1 is positioned at spring housing 7 place adapts,
In the present embodiment, the two ends of axle 1 are provided with conical socket;
Certain tapering is provided with in spring housing 7;
When using fixture, first with steady pin 2, left location-plate 3 is fixed in axle 1, then gripper shoe 5 is installed at the other end of axle 1, the endoporus processed with part loads grip device for positioning datum, again right location-plate 6 to be contained in axle 1 and to coordinate with inner bore of part, grip device inserts two pull bars 4 and with nut check, so just workpiece is secured; And then spring housing 7 is inserted in the gap between axle 1 and right location-plate 6, pressing plate 8 is installed, tighten the band shoulder nut 9 in axle 1, spring housing 7 is pressed into, spring housing 7 just can play self-centering action, and the axis of the axis of axle 1 and workpiece 12 is consistent, fixture is with regard to installation; After part processes, first unclamp band shoulder nut 9, turn jackscrew bolt 10, right location-plate 6 just can drive spring housing 7 to exit workpiece in opposite direction, and grip device just can dismantle workpiece 12 easily;
Left location-plate and right location-plate to be fixed in axle and to match with inner bore of part, and with jackscrew bolt, the draw lever locking on grip device is fixed, can, by work piece on grip device, avoid causing workpiece deformation because workpiece in process is insecure, the quality of impact processing; Be provided with tapering in spring housing, the spring housing of band internal taper is inserted in the gap between axle and right location-plate, tighten the band shoulder nut in axle, spring housing is pressed into, spring housing can be made to play self centering effect, fixture is installed more firm; Spring housing and the press-in of right location-plate are fixed together by pressing plate by band shoulder nut, when turning on jackscrew bolt, under the effect of spring housing elastic force, right location-plate can be driven to exit workpiece in opposite direction, making grip device dismantle workpiece convenient; Clamping apparatus matches with grip device, is provided with steel ball in clamping apparatus between top and axle, changes face contact into linear contact lay, eliminates the impact of centre bore precision on Workpiece Machining Accuracy, can significantly improve the circularity of workpiece, improve the quality of grinding work piece; The structure of grip device is simple, practical, and jig Design is reasonable, and application is convenient, low cost of manufacture, workpiece dismounting is easy, highly versatile, and result of use is good, effectively can guarantee the quality of work pieces process, can work efficiency be improved again, be applicable to the batch production of large diameter thin wall class workpiece.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. grip device, it is characterized in that, comprise axle (1), steady pin (2), left location-plate (3), pull bar (4), gripper shoe (5), right location-plate (6), spring housing (7), pressing plate (8), band shoulder nut (9), jackscrew bolt (10) and clamping apparatus (11), the center of grip device is provided with axle (1), axle (1) is provided with workpiece (12), axle (1) top is provided with pull bar (4), gripper shoe (5), left location-plate (3) and right location-plate (6), pull bar (4) is parallel with axle (1), the two ends of pull bar (4) are provided with left location-plate (3) and right location-plate (6), left location-plate (3) and right location-plate (6) fix with axle (1) two ends respectively, pull bar (4) is provided with gripper shoe (5) near the side of right location-plate (6), gripper shoe (5) extends downward the below of axle (1), the center line of left location-plate (3) and right location-plate (6) and the axis of axle (1) are positioned on same level line, the upper one end near left location-plate (3) of axle (1) is provided with steady pin (2), the upper one end near right location-plate (6) of axle (1) is provided with spring housing (7) and pressing plate (8), the two sides up and down of spring housing (7) lay respectively at outside two sides up and down of axle (1), the side, both sides up and down of spring housing (7) is inserted in the gap between axle (1) and right location-plate (6) respectively, the side that spring housing (7) deviates from right location-plate (6) is provided with pressing plate (8), the side that pressing plate (8) deviates from spring housing (7) is provided with band shoulder nut (9), band shoulder nut (9) is positioned on the central axis of axle (1), the side that grip device is positioned at right location-plate (6) is provided with a pair jackscrew bolt (10), and jackscrew bolt (10) penetrates right location-plate (6) and is connected with the two ends up and down of gripper shoe (5), the two ends of grip device are provided with clamping apparatus (11), the central axis of clamping apparatus (11) and the central axis of axle (1) are positioned on same level line, clamping apparatus (11) comprises top (111) and steel ball (112), steel ball (112) is positioned between top (111) and axle (1), conical socket is provided with in top (111), the both sides of steel ball (112) adapt with the conical socket of top (111) and the conical socket of axle (1) respectively, axle (1) is positioned at spring housing (7) place and is provided with tapering, the tapering of tapering and spring housing (7) that axle (1) is positioned at spring housing (7) place adapts.
2. grip device according to claim 1, is characterized in that, the two ends of axle (1) are provided with conical socket.
3. grip device according to claim 1, is characterized in that, spring housing is provided with certain tapering in (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520437480.8U CN204954613U (en) | 2015-06-23 | 2015-06-23 | Fixture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520437480.8U CN204954613U (en) | 2015-06-23 | 2015-06-23 | Fixture device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204954613U true CN204954613U (en) | 2016-01-13 |
Family
ID=55049710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520437480.8U Expired - Fee Related CN204954613U (en) | 2015-06-23 | 2015-06-23 | Fixture device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204954613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108890328A (en) * | 2018-07-04 | 2018-11-27 | 嘉兴维特拉电气科技有限公司 | A kind of electric massage chair fixture |
-
2015
- 2015-06-23 CN CN201520437480.8U patent/CN204954613U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108890328A (en) * | 2018-07-04 | 2018-11-27 | 嘉兴维特拉电气科技有限公司 | A kind of electric massage chair fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20160623 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |