CN101530990A - Clamping fixture - Google Patents
Clamping fixture Download PDFInfo
- Publication number
- CN101530990A CN101530990A CN200810300577A CN200810300577A CN101530990A CN 101530990 A CN101530990 A CN 101530990A CN 200810300577 A CN200810300577 A CN 200810300577A CN 200810300577 A CN200810300577 A CN 200810300577A CN 101530990 A CN101530990 A CN 101530990A
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- China
- Prior art keywords
- cylindrical shell
- cylinder
- pull bar
- clamping fixture
- magnet
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Abstract
The invention provides a clamping fixture, which comprises a first cylinder, a second cylinder, a push-pull rod, a spring and a magnet. The first cylinder is a hollow cylinder with openings at two ends, and comprises a big cylinder and a small cylinder which are concentrically arranged, a joint of the big cylinder and the small cylinder protrudes out of the internal surface of the first cylinder to form a lug boss with a through hole; the second cylinder is a hollow cylinder comprising a connecting end and a clamping end, wherein the connecting end is connected with the small cylinder; the clamping end is used for clamping objects; the push-pull rod is movably accommodated in the first cylinder and the second cylinder; one end of the push-pull rod forms a finger press part protruding out of the big cylinder; the spring is sleeved on the push-pull rod and accommodated in the first cylinder to provide elastic-restoring force for the push-pull rod to be away from the second cylinder; and the magnet is fixed at the other end of the push-pull rod and positioned in the second cylinder and the size of the magnet is more than or equal to that of the through hole.
Description
Technical field
The present invention relates to a kind of clamping fixture, relate in particular to a kind of clamping fixture of magnetic element.
Background technology
In the clamping process of magnet device, use tweezers or clip-like that element is clamped in the middle of the tweezers more.When magnetic element is placed on and its profile very in the structure of driving fit, there is not unnecessary space to hold tweezers between the two.For using the tweezers clamping, need to be provided with the space that holds tweezers by magnetic element.In addition, in the clamping element moving process,, make element run-off the straight easily in motion process because the contact-making surface between tweezers and the element is less.
Summary of the invention
In view of this, be necessary to provide a kind of saving space and the clamping fixture stably that moves.
A kind of clamping fixture, it comprises one first cylindrical shell, second cylindrical shell, pull bar, spring and magnet.Described first cylindrical shell is the hollow cylinder of both ends open, comprises the large cylinder and the little cylindrical shell of concentric setting, and outstanding described first cylinder inner surface in described large cylinder and described little cylindrical shell junction is formed with the boss with through hole.Described second cylindrical shell is a hollow cylinder, comprises link and bare terminal end, and described link is connected with described little cylindrical shell, and described bare terminal end is used for the clamping object.Described pull bar is contained in described first cylindrical shell and described second cylindrical shell versatilely, and an end of described pull bar forms by the finger, and is described by the outstanding described large cylinder in finger.Described spring housing is located on the described pull bar and is contained in described first cylindrical shell in order to described pull bar is provided the elastic-restoring force away from described second cylindrical shell.Described magnet is fixed on the other end of described pull bar and is arranged in described second cylindrical shell, and the size of described magnet is more than or equal to the size of described through hole.
A kind of clamping fixture, it comprises first cylindrical shell, second cylindrical shell, pull bar, spring and magnet.Described first cylindrical shell is the hollow cylinder of both ends open, comprises first end and second end, and described first end reduces gradually to described second end.Described second cylindrical shell is a hollow cylinder, comprises link and bare terminal end, and described link is connected with described second end, and described bare terminal end is used for the clamping object.Described pull bar is contained in described first cylindrical shell and described second cylindrical shell versatilely, and an end of described pull bar forms by the finger, and is described by outstanding described first end in finger.Described spring housing is located on the described pull bar and is contained in described first cylindrical shell in order to described pull bar is provided the elastic-restoring force away from described second cylindrical shell.Described magnet is located at the other end of described pull bar and is arranged in described second cylindrical shell, and described magnet is limited in described second cylindrical shell by described second end and moves.
Compared with prior art, the clamping fixture of present embodiment utilizes the effect of magnetic force will be held the tool clamping and is placed into the precalculated position, after treating that gripped object is fixing, to the pull bar application of force magnet and gripped object are separated, because the contact area of clamping fixture and gripped object is bigger, but make the motion state of gripped object held stationary in the clamping process, and do not need redundant space to hold clamping fixture.
Description of drawings
Fig. 1 is the decomposing schematic representation of first embodiment of the invention clamping fixture.
Fig. 2 is the generalized section of first embodiment of the invention clamping fixture.
Fig. 3 is the decomposing schematic representation of second embodiment of the invention clamping fixture.
Fig. 4 is the schematic diagram of third embodiment of the invention clamping fixture.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Shown in Fig. 1 and 2, a kind of clamping fixture 10 that it provides for first embodiment of the invention.This clamping fixture 10 comprises force application rod 11, guide bar 12, spring 13, magnet 14, first cylindrical shell 15, second cylindrical shell 16 and lid 17.
The part of force application rod 11 is contained in first cylindrical shell 15 versatilely, remainder stretches out first cylindrical shell 15, the overwhelming majority of guide bar 12 is contained in first cylindrical shell 15 versatilely, fraction is contained in second cylindrical shell 16, spring 13 is set on the guide bar 12 and is contained in first cylindrical shell 15, and magnet 14 is fixed on the end of guide bar 12 and is contained in second cylindrical shell 16.
First cylindrical shell 15 is the hollow cylinder of both ends open, and it comprises the large cylinder 151 and the roundlet tube 152 of concentric setting, and holder refers to edge 153.One end of large cylinder 151 forms holder and refers to edge 153 making things convenient for the application of force, the other end be connected with roundlet tube 151 and.Large cylinder 151 forms the boss 154 with through hole 1542 with roundlet tube 152 junctions and is limited in first cylindrical shell 15 with the range of movement with spring 13 on the inwall of large cylinder 151.Holder refers to form on the edge 153 two locating holes 1530.
Second cylindrical shell 16 is the hollow cylinder of one or both ends opening, comprises link 161 and bare terminal end 162.Link 161 is used for being connected with roundlet tube 152, and bare terminal end 162 is used for the clamping gripped object.The link that roundlet tube 152 stretches into second cylindrical shell 16 makes the cylindrical shell 15 of winning link to each other with second cylindrical shell 16.When second cylindrical shell, 16 1 end openings, cause the damage of clamping fixture 10 for preventing air compression in use, the sidewall of bare terminal end 162 is provided with some gas outlets 1622.
The shape of lid 17 refers to that with holder edge 153 is identical, forms a circular hole 171 so that force application rod 11 can pass on the lid 17, and two backstays 170 of the outstanding formation of face table.The diameter of circular hole 171 is greater than the diameter of force application rod 11 and less than the diameter of large cylinder 121.Backstay 170 matches with locating hole 1530 and makes lid 17 and holder refer to that edge 153 interconnects.The diameter of circular hole 171 is drawn out from first cylindrical shell 15 to prevent guide bar 12 less than the diameter of large cylinder 121.
Certainly, the size of first cylindrical shell 14 is gradual change gradually also, and promptly size is reduced gradually by end to end.
Certainly, force application rod 11, guide bar 12 are not limited to the cylinder of present embodiment, can be other shape, as triangular prism, quadrangular etc.
Certainly, first cylindrical shell 15 and second cylindrical shell 16 are not limited to the cylinder of present embodiment, also can be other shape, as the cuboid of hollow, pentagonal prism body etc.
Certainly, boss 154 also can be arranged on the inwall of roundlet tube 152.
In addition, first cylindrical shell 15 also can not be provided with holder and refer to edge 153, and clamping fixture 10 omits lid 17.
During assembling, at first, force application rod 11 is passed the circular hole 171 of lid 17, matches with internal thread 1210 to screw in guide bar 12, secondly, spring 13 is set on the small cylinder 122 of guide bar 12, then, guide bar 12 is stretched into first cylindrical shell 15 (in case of necessity, longer as guide bar 12, and pass through hole 1542), the backstay 170 of lid 17 is stretched into locating hole 1530 make lid 17 and holder refer to that edge 153 fixes, moreover, magnet 14 is fixed on the small cylinder 122, at last second cylindrical shell 16 is enclosed within on the roundlet tube 152.
When using clamping fixture 10 clamping elements, hold first cylindrical shell 15 or first cylindrical shell 15 and second cylindrical shell 16, push by the 111 pairs of force application rods 11 in finger and exert pressure, magnet 14 can move in second cylindrical shell 16 under the effect of thrust, see through the magneticaction between magnet 14 and the gripped object, gripped object is adsorbed on the bare terminal end 162 of second cylindrical shell 16, then gripped object is moved to the precalculated position, apply pulling force on force application rod 11, at this moment, magnet 14 is away from gripped object, and force application rod 11 sets back under the effect of spring 13.
Because clamping fixture 10 is that face contacts with gripped object, contact area is big, and therefore, motion process is steady; In addition, the surface of clamping fixture 10 direct gripped objects contacts, and does not need and outer space holds clamping fixture 10.
As shown in Figure 3, it is clamping fixture 20 that second embodiment of the invention provided.Clamping fixture 20 comprises pull bar 21, spring 13, magnet 14, first cylindrical shell 25 and second cylindrical shell 16.
The structure of the structure of first cylindrical shell 25 and second cylindrical shell 15 is basic identical, and its difference is: holder refers to not be provided with on the edge 253 through hole.
As shown in Figure 4, it is clamping fixture 30 that third embodiment of the invention provided.Clamping fixture 30 is basic identical with the structure of clamping fixture 10, comprises force application rod 11, guide bar 12, spring 13, magnet 14, first cylindrical shell 35, second cylindrical shell 16 and lid 17.
Different from being: first cylindrical shell 35 comprises that the size of first end 351 and second end, 352, the first cylindrical shells 35 is reduced gradually by first end, 351 to second ends 352, and second end 352 is used for and second cylindrical shell 16.Spring 13 is limited in first cylindrical shell 35 motion by second end 352, the size of guide bar 12 smaller or equal to the size of second end 352 so that its can in first cylindrical shell 35 and second cylindrical shell 16, move.
In addition, those skilled in the art can also do other variation in spirit of the present invention, and certainly, the variation that these are done according to spirit of the present invention all should be included within the present invention's scope required for protection.
Claims (10)
- [claim 1] a kind of clamping fixture, it comprises:First cylindrical shell of a hollow, its both ends open comprises the large cylinder and the little cylindrical shell of concentric setting, outstanding described first cylinder inner surface in described large cylinder and described little cylindrical shell junction is formed with the boss with through hole;Second cylindrical shell of a hollow comprises link and bare terminal end, and described link is connected with described little cylindrical shell, and described bare terminal end is used for the clamping object;A pull bar, it is contained in described first cylindrical shell and described second cylindrical shell versatilely, and an end of described pull bar forms by the finger, and is described by the outstanding described large cylinder in finger;A spring, it is set on the described pull bar and is contained in described first cylindrical shell in order to described pull bar is provided the elastic-restoring force away from described second cylindrical shell; AndA magnet, it is located at the other end of described pull bar and is arranged in described second cylindrical shell, and the size of described magnet is more than or equal to the size of described through hole.
- [claim 2] clamping fixture as claimed in claim 1, it is characterized in that: described boss is arranged on the described large cylinder inner surface, the external diameter of a circle of described pull bar is smaller or equal to the size of described through hole, and described boss is limited in described spring in first cylindrical shell.
- [claim 3] clamping fixture as claimed in claim 1, it is characterized in that: described boss is arranged on the described little cylinder inner surface, the external diameter of a circle of described pull bar is smaller or equal to the size of described through hole, and described boss is limited in described spring in first cylindrical shell.
- [claim 4] is characterized in that as each described clamping fixture of claim 1 to 3: described first end radially holder of outwards outstanding formation refers to the edge.
- [claim 5] clamping fixture as claimed in claim 4, it is characterized in that: described pull bar comprises the big cylinder and the paxilla of concentric setting, describedly be arranged on described big cylinder one end by the finger, described spring housing is located on the described paxilla, and described magnet is arranged on an end of described paxilla.
- [claim 6] clamping fixture as claimed in claim 4, it is characterized in that: described pull bar comprises force application rod and guide bar, one end of described force application rod has external screw thread, the described other end that is positioned at described force application rod by the finger, described guide bar comprises butt end and thin end, the butt end of described guide bar has the internal thread that matches with described external screw thread, described spring housing is located at the thin end of described guide bar, described magnet is arranged on thin end, and described movement of springs is limited in the junction of described butt end and thin end.
- [claim 7] clamping fixture as claimed in claim 6 is characterized in that: further comprise a lid, described lid and described holder refer to that the edge matches and prevent that described guide bar is drawn out described first cylindrical shell.
- [claim 8] clamping fixture as claimed in claim 7, it is characterized in that: described lid has backstay, described holder refers to that the edge has the locating hole that matches with described backstay, and described backstay and locating hole match described lid and described first cylindrical shell are fixed together.
- [claim 9] clamping fixture as claimed in claim 6 is characterized in that: described bare terminal end is provided with venthole.
- [claim 10] a kind of clamping fixture, it comprises:First cylindrical shell of a hollow, its both ends open comprises first end and second end, the size of described first cylindrical shell is reduced to described second end gradually by described first end;Second cylindrical shell of a hollow,, comprise link and bare terminal end, described link is connected with described second end, and described bare terminal end is used for the clamping object;A pull bar, it is contained in described first cylindrical shell and described second cylindrical shell versatilely, and an end of described pull bar forms by the finger, and is described by outstanding described first end in finger;A spring, it is set on the described pull bar and is contained in described first cylindrical shell in order to described pull bar is provided the elastic-restoring force away from described second cylindrical shell; AndA magnet, it is located at the other end of described pull bar and is arranged in described second cylindrical shell, and described magnet is limited in described second cylindrical shell by described second end and moves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103005779A CN101530990B (en) | 2008-03-14 | 2008-03-14 | Clamping fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103005779A CN101530990B (en) | 2008-03-14 | 2008-03-14 | Clamping fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101530990A true CN101530990A (en) | 2009-09-16 |
| CN101530990B CN101530990B (en) | 2012-03-28 |
Family
ID=41101954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008103005779A Expired - Fee Related CN101530990B (en) | 2008-03-14 | 2008-03-14 | Clamping fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101530990B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102378570A (en) * | 2010-08-06 | 2012-03-14 | 鸿富锦精密工业（深圳）有限公司 | Magnet placing jig |
| CN103128684A (en) * | 2013-02-22 | 2013-06-05 | 青岛三元集团股份有限公司 | Fixture and clamping device for gauges |
| CN105041792A (en) * | 2015-07-15 | 2015-11-11 | 苏州柏德纳科技有限公司 | Fixing part for tool bottom disc |
| CN105478228A (en) * | 2016-02-02 | 2016-04-13 | 山西平阳重工机械有限责任公司 | Magnetic attracting device for iron scraps in long-deep hole |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2976075A (en) * | 1959-07-17 | 1961-03-21 | Monarch Tool & Machinery Co | Magnetic pick-up device |
| US4813729A (en) * | 1988-02-10 | 1989-03-21 | Speckhart Frank H | Magnetic retrieval tool |
| CN2097717U (en) * | 1991-08-17 | 1992-03-04 | 李维俭 | Universal magnetic tool |
| CN2283547Y (en) * | 1996-11-13 | 1998-06-10 | 陈水上 | Multifunction work holder structure |
| CN2618726Y (en) * | 2003-04-29 | 2004-06-02 | 彭一江 | Permanent magnet iron picking pen |
| DE202005010772U1 (en) * | 2005-07-08 | 2005-11-03 | Reichelsdorfer, Armin | Holding fixture and lifting column for e.g. nut, has magnet arrangement, with permanent magnets, moving between two positions, where magnetic forces are effective outside housing at one position, and not effective at other position |
-
2008
- 2008-03-14 CN CN2008103005779A patent/CN101530990B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102378570A (en) * | 2010-08-06 | 2012-03-14 | 鸿富锦精密工业（深圳）有限公司 | Magnet placing jig |
| CN103128684A (en) * | 2013-02-22 | 2013-06-05 | 青岛三元集团股份有限公司 | Fixture and clamping device for gauges |
| CN105041792A (en) * | 2015-07-15 | 2015-11-11 | 苏州柏德纳科技有限公司 | Fixing part for tool bottom disc |
| CN105478228A (en) * | 2016-02-02 | 2016-04-13 | 山西平阳重工机械有限责任公司 | Magnetic attracting device for iron scraps in long-deep hole |
| CN105478228B (en) * | 2016-02-02 | 2017-09-05 | 山西平阳重工机械有限责任公司 | Thin depth iron filings inside holes magnetic force suction means |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101530990B (en) | 2012-03-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20170314 |