CN101920464B - Fixing device - Google Patents
Fixing device Download PDFInfo
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- CN101920464B CN101920464B CN2009103031265A CN200910303126A CN101920464B CN 101920464 B CN101920464 B CN 101920464B CN 2009103031265 A CN2009103031265 A CN 2009103031265A CN 200910303126 A CN200910303126 A CN 200910303126A CN 101920464 B CN101920464 B CN 101920464B
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- fixing
- workpiece
- fixture
- springs
- fixed
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Abstract
The invention provides a fixing device which comprises a base, three fixing plates and three groups of springs, wherein the base comprises a bearing surface and a side wall arranged on the bearing surface; the side wall is used for defining an inner space with a fixing center; the three fixing plates are placed on the bearing surface in the inner space towards the fixing center; the three groups of springs are respectively used for connecting a corresponding fixing plate to the side wall; and the acting force of three elastic elements faces towards the fixing center. When the fixing device is used for fixing a workpiece, the elastic force of the three groups of springs needs to be overcome, the three fixing plates are supported off, and the workpiece is placed in the inner space; and then the three fixing plates are released to restrain the workpiece under action of the elastic force of the three groups of springs and fix the workpiece on the bearing surface. The device has the advantages of convenient operation and high efficiency.
Description
Technical field
The present invention relates to a kind of fixture.
Background technology
In industrial production, usually need workpiece is fixed on board, so that processing work.At present, the fixture that often adopts generally comprises screw or has the mechanism of screw.During operation, workpiece is positioned on board, by tighten the screws, workpiece is fixed on board, during operating cost, production efficiency is low.
Summary of the invention
In view of this, be necessary the fixture that provides a kind of operating efficiency high.
A kind of fixture, it comprises that a pedestal, at least three fixed heads reach at least three group springs.Described pedestal comprises that a loading end and at least one are built in the sidewall on described loading end.Described at least one sidewall defines an inner space with a fixed center.On the described loading end of described at least three fixed heads in described fixed center is positioned over described inner space.Described at least three group springs are respectively used to connect a corresponding fixed head to described at least one sidewall.The active force of described at least three group flexible members is towards described fixed center.
When utilizing described fixture fixation workpiece, only need overcome the elastic force of described at least three group springs, strut described at least three fixed heads, workpiece is positioned in described inner space, discharge described at least three fixed heads, described at least three fixed heads just will retrain workpiece under the elastic force effect of described at least three group springs, workpiece is fixed on described loading end, it is easy to operate, and efficient is high.
Description of drawings
Fig. 1 is the schematic perspective view of the fixture of better embodiment of the present invention.
Fig. 2 is the top view of the fixture of Fig. 1.
Fig. 3 is the perspective, cut-away view of the fixture of Fig. 1.
The specific embodiment
See also Fig. 1-3, the fixture 100 of better embodiment of the present invention comprises a pedestal 10, three fixed heads 20 and three groups of springs 30.
Three fixed head 20 shapes are basic identical, are rectangular slab.Each fixed head 20 comprises a stationary plane 22.Stationary plane 22 is formed with one and stings line 222.Three fixed heads 20 uprightly are positioned on loading end 122 and are positioned at inner space 142.Three stationary planes 22 are towards fixed center 144.
Three groups of springs 30 are respectively used to connect a fixed head 20 to cylindrical lateral wall 14.Particularly, every group of spring 30 includes three springs 30.Each spring 30 is connected and fixed plate 20 and cylindrical lateral wall 14 along the diametric(al) of cylindrical lateral wall 14 substantially, and: when (1) had circular cross section when workpiece 200, the thickness of the natural length of a spring 30, a fixed head 20 and the radius sum of workpiece 200 were greater than the inside radius of cylindrical lateral wall 14; Reach (2) when workpiece 200 has non-circular cross sections, half sum of the longest dimension of the thickness of the natural length of a spring 30, a fixed head 20 and the cross section of workpiece 200 is greater than the inside radius of cylindrical lateral wall 14.So, when workpiece 200 was positioned between fixed head 20, spring 30 was with compressed, and generation is towards the active force of fixed center 144, with constraint fixed head 20 fixation workpieces 200.
Preferably, three groups of springs 30 and three fixed head 20 isogonisms are distributed on the inner periphery of cylindrical lateral wall 14, so, more are conducive to the stress balance of workpiece 200 with fixing.
Be appreciated that discoid base plate 12 is not limited to present embodiment.At other embodiments, can adopt other base plates with loading end 122 to replace discoid base plate 12, as, square floor.
Be appreciated that sidewall 14 is not limited to present embodiment.At other embodiments, can adopt other can define a sidewall with inner space 142 of a fixed center 144.As, a plurality of discontinuous curved walls.
Be appreciated that discoid base plate 12 also can separate moulding with cylindrical lateral wall 14, is being assembled into pedestal 10 by modes such as gummeds.
Be appreciated that fixed head 20 also is not limited to present embodiment.At other embodiments, can adopt level and smooth stationary plane 22 (namely not stinging line).
The number that is appreciated that every group of spring 30 also is not limited to present embodiment.At other embodiments, depending on the demand of positioning intensity, every group can be adopted more or less spring 30, and as in the situation that positioning intensity does not need too highly, every group can only be adopted a spring 30.
Be appreciated that the number of fixed head 20 and the group number of spring 30 also are not limited to present embodiment.At other embodiments, depending on the demand of positioning intensity, can adopt more fixed head 20 to reach the spring 30 of more groups.
Be appreciated that spring 30 also is not limited to present embodiment.At other embodiments, can adopt other flexible member to replace spring 30, as, shell fragment.
When utilizing fixture 100 fixation workpiece 200, only need overcome the elastic force of three groups of springs 30, strut three fixed heads 20, workpiece 200 is positioned in inner space 142, discharge three fixed heads 20, three fixed heads 20 just will retrain workpiece 200 under the elastic force effect of three groups of springs 30, workpiece 200 is fixed on loading end 122.
Those skilled in the art will be appreciated that; above embodiment is only that the present invention is described; and be not to be used as limitation of the invention; as long as within connotation scope of the present invention, the appropriate change that above embodiment is done and change all drop on the scope of protection of present invention within.
Claims (5)
1. fixture is characterized in that comprising:
One has a loading end and at least one is built in the pedestal of the sidewall on described loading end, and described at least one sidewall defines an inner space with a fixed center;
Fixed head at least three described loading ends in described fixed center is positioned over described inner space; And
At least three groups be used for to connect the flexible member of a corresponding fixed head to described at least one sidewall, and the active force of described at least three group flexible members is towards described fixed center;
Described fixed head comprises one towards the stationary plane of described fixed center, and described stationary plane is formed with one and stings line.
2. fixture as claimed in claim 1, is characterized in that, described at least one sidewall is a cylindrical lateral wall.
3. fixture as claimed in claim 2, is characterized in that, described at least three group flexible members and described at least three fixed head isogonisms are distributed on the inner periphery of described sidewall.
4. fixture as claimed in claim 1, is characterized in that, described flexible member is spring or shell fragment.
5. fixture as claimed in claim 1, is characterized in that, every group of flexible member comprises three springs.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009103031265A CN101920464B (en) | 2009-06-10 | 2009-06-10 | Fixing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009103031265A CN101920464B (en) | 2009-06-10 | 2009-06-10 | Fixing device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101920464A CN101920464A (en) | 2010-12-22 |
CN101920464B true CN101920464B (en) | 2013-06-05 |
Family
ID=43335814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009103031265A Expired - Fee Related CN101920464B (en) | 2009-06-10 | 2009-06-10 | Fixing device |
Country Status (1)
Country | Link |
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CN (1) | CN101920464B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107116484A (en) * | 2017-06-01 | 2017-09-01 | 成都贝施美生物科技有限公司 | Planting body fixed seat in a kind of sandblasting station |
CN107199518A (en) * | 2017-06-01 | 2017-09-26 | 成都贝施美生物科技有限公司 | Planting body Novel fixture in a kind of sandblasting |
CN109527710B (en) * | 2018-11-29 | 2021-05-11 | 惠东县华辰鞋业有限公司 | Microfiber leather detection device for leather shoes |
CN111345900B (en) * | 2020-03-16 | 2021-02-09 | 青岛市黄岛区中心医院 | Multifunctional fixer for medical surgical knife |
CN112547374A (en) * | 2020-11-26 | 2021-03-26 | 湖北吴都医药包装材料有限公司 | High-precision modification device for producing medicine tubes |
CN114055115A (en) * | 2021-11-19 | 2022-02-18 | 绍兴柯锐医疗用品股份有限公司 | Automatic assembly equipment of respiratory filter |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0972613A1 (en) * | 1998-07-15 | 2000-01-19 | Fritz Studer AG | Driving dog for machine tool |
CN101234435A (en) * | 2007-01-30 | 2008-08-06 | 厄罗瓦公司 | Clamping fixture including a chuck and a workpiece pallet releasably located thereon |
CN201231413Y (en) * | 2008-06-30 | 2009-05-06 | 上海麦迅机床工具技术有限公司 | Flexible-positioning rigid-fastening re-orientation connection device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3955586B2 (en) * | 2004-08-09 | 2007-08-08 | 高直精機株式会社 | Fixing device, fixing method, and processing device |
-
2009
- 2009-06-10 CN CN2009103031265A patent/CN101920464B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0972613A1 (en) * | 1998-07-15 | 2000-01-19 | Fritz Studer AG | Driving dog for machine tool |
CN101234435A (en) * | 2007-01-30 | 2008-08-06 | 厄罗瓦公司 | Clamping fixture including a chuck and a workpiece pallet releasably located thereon |
CN201231413Y (en) * | 2008-06-30 | 2009-05-06 | 上海麦迅机床工具技术有限公司 | Flexible-positioning rigid-fastening re-orientation connection device |
Non-Patent Citations (1)
Title |
---|
JP特开2006-43863A 2006.02.16 |
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Publication number | Publication date |
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CN101920464A (en) | 2010-12-22 |
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