CN105171449A - Elastic reset clamp - Google Patents
Elastic reset clamp Download PDFInfo
- Publication number
- CN105171449A CN105171449A CN201510462498.8A CN201510462498A CN105171449A CN 105171449 A CN105171449 A CN 105171449A CN 201510462498 A CN201510462498 A CN 201510462498A CN 105171449 A CN105171449 A CN 105171449A
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- CN
- China
- Prior art keywords
- hole
- jaw
- plunger body
- clamp body
- clamp
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- 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.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses an elastic reset clamp. The elastic reset clamp comprises a clamping jaw, a clamp body and a clamping device. The clamp body is of a four-way structure. The bottom of the clamp body is connected with an end cover. The clamping device comprises a plunger body and a pin body. A transverse through hole is formed in the middle of the plunger body. A wheel with the axis set in the longitudinal direction is arranged in the through hole. A lower compressed spring is fixed to the bottom face of the plunger body. The other end of the compressed spring is fixed to the end cover at the bottom of the clamp body. The pin body penetrates the through hole in the middle of the plunger body and is pressed on the wheel in the through hole. An upper compressed spring is arranged between the clamping jaw and the plunger body. A bolt is arranged in a through hole in the short edge of the clamping jaw. The head of the bolt is attached to the top face of the clamping jaw. The tail portion of the bolt is fixed to the plunger body. In this way, the clamping jaw and the plunger body are arranged in a separated manner, rotation of the clamping jaw is not limited, and the application range of the clamp can be wider.
Description
Technical field
The present invention relates to frock clamp, particularly relate to a kind of elastic reset fixture.
Background technology
Fixture is also known as jig.In a broad sense, any operation in technical process, is used for rapidly, installs easily and safely the device of workpiece, all can be described as fixture.On lathe during processing work, the dimensions reaching drawing for making the surface energy of workpiece and specify, geometry and with the technical requirements such as the relative-position error on other surfaces, before processing must by Workpiece fixing, clip, clamp.
Chinese patent CN101434043 discloses a kind of special fixture for wire plier milling flutes, comprise base plate, base plate is provided with hydraulic cylinder, piston is provided with in hydraulic cylinder body, one end of piston is connected with voussoir, base plate is provided with holder, in described holder, piston movement direction is provided with cross through hole, described voussoir can slide in cross through hole, also longitudinal hole is provided with at the middle part of described holder, movable holddown is arranged in described longitudinal hole, the lower end of movable holddown is provided with spring, through hole is provided with in movable holddown, voussoir is through through hole, axle is provided with in described through hole, described axle is arranged with roller, the periphery of roller contacts with the downside hypotenuse of voussoir, the upper lateral part of described movable holddown is provided with projection, jaw block is positioned at the below of projection, jaw block is fixed on holder, described jaw block is provided with back-up ring and pin.Above-mentioned fixture can quick-clamping cutting pliers part, reduce workman's workload, increase work efficiency, but the movable holddown of this fixture can only realize 180 ° turning to due to the restriction of inner voussoir and roller, cannot rotate in small angle range, make its scope of application very little, and above-mentioned fixture is special fixture for wire plier milling flutes, be only applicable to wire plier milling flutes, belong to the special product in particular technology area, its scope of application is very little.
Summary of the invention
The object of the present invention is to provide a kind of can multi-angle rotation and elastic reset fixture applied widely.
To achieve these goals, the invention provides following basic technology scheme: a kind of elastic reset fixture, comprises jaw, clamp body, clamping device, it is characterized in that: described jaw is L shape, the top, long limit of jaw is provided with positioning boss, and the minor face inside of jaw has the through hole vertical with long limit; Described clamp body is four-way structure, and the bottom port of clamp body is fixedly connected with end cap; Described clamping device comprises the plunger body be arranged in the inner vertical passageway of clamp body and the shank be arranged in clamp body inner right side interconnection; The top of described plunger body is provided with vertical screwed hole, middle part is provided with horizontal through hole, is provided with the roller that axis is longitudinally arranged in through hole, and the bottom surface of plunger body caves inward formation groove, groove internal fixtion has one end of stage clip, and the other end of stage clip is fixed on the end cap of clamp body bottom port; The top of described shank is sphenoid, and sphenoid is through the through hole in the middle part of plunger body and the inclined-plane of sphenoid is pressed on the roller in through hole; Be provided with extension spring between the end face of the minor face of described jaw and the end face of plunger body, one end of extension spring is fixed on the minor face of jaw, and the other end is fixed on plunger body; Be provided with bolt in the through hole of described jaw minor face, the head of bolt and the end face of jaw are fitted, and the afterbody of bolt coordinates with the screwed hole on plunger body top.
Adopt above-mentioned base case, when needs clamp workpiece, jaw is turned to above workpiece, then promote shank left sphenoid to be moved to the left to pressing down, the stage clip bottom plunger body is compressed on roller, roller drives plunger body to move down, and the extension spring between plunger body and jaw stretches and pulled down by jaw, and plunger body drives bolt to move down simultaneously, to pressing down, jaw being clamped jaw by bolt head, completing the clamping to workpiece surface.Owing to being separated between jaw with plunger body, the rotation of jaw is not restricted, the rotation of multi-angle can be realized, and fixture overall volume can make change with the difference of applied environment, jaw end shape can change with the difference of application scenario, makes the scope of application of fixture more extensive.
Preferred version one, improve as to the one of base case, the top of described clamp body is provided with shoulder hole, is provided with locating ring in shoulder hole, and the minor face of described jaw is inserted in locating ring.The minor face of the inner diameter shape of locating ring and size and jaw adapts, and arranges the gap between locating ring filling jaw and clamp body, prevents rocking of jaw, improve the clamping effect of fixture.
Preferred version two, improves as to the another kind of base case, and the left side port of described clamp body is fixedly connected with end cap, prevents shank from departing from from clamp body inside.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of embodiment Elastic reset fixture.
Accompanying drawing comprises following Reference numeral: jaw 1, clamp body 2, locating ring 3, plunger body 4, shank 5, roller 6, lower stage clip 7, compression spring 8, bolt 9.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
As shown in Figure 1, in the present embodiment, disclose a kind of elastic reset fixture, comprise jaw 1, clamp body 2, clamping device.Described jaw 1 is L shape, and the top, long limit of jaw 1 is provided with positioning boss and is used for positioning workpiece, and the minor face inside of jaw 1 has the through hole vertical with long limit.Described clamp body 2 is four-way structure, and the left side port of clamp body 2 and bottom port are fixedly connected with end cap, and the top of clamp body 2 is provided with shoulder hole, are provided with locating ring 3 in shoulder hole, and the minor face of described jaw 1 is inserted in locating ring 3.Described clamping device comprises the plunger body 4 be arranged in the inner vertical passageway of clamp body 2 and the shank 5 be arranged in clamp body 2 inner right side interconnection.The top of described plunger body 4 is provided with vertical screwed hole, middle part is provided with horizontal through hole, the roller 6 that axis is longitudinally arranged is provided with in through hole, the bottom surface of plunger body 4 caves inward formation groove, groove internal fixtion has lower stage clip 7, and the other end of lower stage clip 7 is fixed on the end cap of clamp body 2 bottom port.The top of described shank 5 is sphenoid, sphenoid through the through hole in the middle part of plunger body 4 and the inclined-plane of sphenoid be pressed on the roller 6 in through hole.Compression spring 8 is provided with between the end face of the minor face of described jaw 1 and the end face of plunger body 4.Be provided with bolt 9 in the through hole of described jaw 1 minor face, the head of bolt 9 and the end face of jaw 1 are fitted, and the afterbody of bolt 9 is linked together by the screwed hole on plunger body 4 top and plunger body 4.
When needs clamp workpiece, jaw 1 is turned to above workpiece, then promote shank 5 left sphenoid to be moved to the left to pressing down, the lower stage clip 7 bottom plunger body 4 is compressed on roller 6, roller 6 drives plunger body 4 to move down, plunger body 4 drives bolt 9 to move down simultaneously, to pressing down, jaw 1 being clamped jaw 1, completing the clamping to workpiece surface by the head of bolt 9, in this process, compression spring 8 compresses, and sphenoid remains the state pushed down by roller 6.When needs take out workpiece, shank 5 is drawn to the right and makes sphenoid depart from roller 6, plunger body 4 upwards pushes away to recover former state by lower stage clip 7, plunger body 4 is moved up, the head of bolt 9 no longer limits jaw 1, jaw 1 upwards pushes away to recover former state by compression spring 8, and jaw 1 loosens and can take off workpiece.In holding workpiece process, compression spring 8 provides pretension effect, with the use of bolt 9 clamping work pieces further.In use procedure, compression spring 8 and lower stage clip 7 can also provide cushioning effect, make single unit system can not cannot ensure stable clamping action because of the impact of workpiece loading and unloading generation repeatedly.
Above-described is only the preferred embodiment of the present invention; should be understood that; for a person skilled in the art; without departing from the inventive concept of the premise; some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.
Claims (3)
1. an elastic reset fixture, comprises jaw, clamp body, clamping device; Described jaw is L shape, and the top, long limit of jaw is provided with positioning boss, and the minor face inside of jaw has the through hole vertical with long limit; Described clamp body is four-way structure, and the bottom port of clamp body is fixedly connected with end cap; Described clamping device comprises the plunger body be arranged in the inner vertical passageway of clamp body and the shank be arranged in clamp body inner right side interconnection; It is characterized in that: the top of described plunger body is provided with vertical screwed hole, and middle part is provided with horizontal through hole, is provided with the roller that axis is longitudinally arranged in through hole, between the bottom surface of plunger body and the end cap of clamp body bottom port, be provided with lower stage clip; The top of described shank is sphenoid, and sphenoid is through the through hole in the middle part of plunger body and the inclined-plane of sphenoid is pressed on the roller in through hole; Compression spring is provided with between the end face of the minor face of described jaw and the end face of plunger body; Be provided with bolt in the through hole of described jaw minor face, the head of bolt and the end face of jaw are fitted, and the afterbody of bolt coordinates with the screwed hole on plunger body top.
2. elastic reset fixture as claimed in claim 1, it is characterized in that: the top of described clamp body is provided with shoulder hole, is provided with locating ring in shoulder hole, the minor face of described jaw is inserted in locating ring.
3. elastic reset fixture as claimed in claim 1, is characterized in that: the left side port of described clamp body is fixedly connected with end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510462498.8A CN105171449A (en) | 2015-07-31 | 2015-07-31 | Elastic reset clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510462498.8A CN105171449A (en) | 2015-07-31 | 2015-07-31 | Elastic reset clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105171449A true CN105171449A (en) | 2015-12-23 |
Family
ID=54894120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510462498.8A Pending CN105171449A (en) | 2015-07-31 | 2015-07-31 | Elastic reset clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105171449A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522181A (en) * | 2016-02-04 | 2016-04-27 | 刘恩宏 | Centripetal and downward fully-hollow pull and compression chuck |
| CN105855959A (en) * | 2016-05-30 | 2016-08-17 | 瑞立集团瑞安汽车零部件有限公司 | Pneumatic self-locking clamping fixture |
| CN107030501A (en) * | 2017-04-28 | 2017-08-11 | 南京工业职业技术学院 | A kind of wedge clamping device |
| CN108098626A (en) * | 2017-12-15 | 2018-06-01 | 安徽省繁昌县皖南阀门铸造有限公司 | A kind of fixing device for wheel hub |
-
2015
- 2015-07-31 CN CN201510462498.8A patent/CN105171449A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522181A (en) * | 2016-02-04 | 2016-04-27 | 刘恩宏 | Centripetal and downward fully-hollow pull and compression chuck |
| CN105855959A (en) * | 2016-05-30 | 2016-08-17 | 瑞立集团瑞安汽车零部件有限公司 | Pneumatic self-locking clamping fixture |
| CN105855959B (en) * | 2016-05-30 | 2019-03-12 | 瑞立集团瑞安汽车零部件有限公司 | Pneumatic self-locking clamping device |
| CN107030501A (en) * | 2017-04-28 | 2017-08-11 | 南京工业职业技术学院 | A kind of wedge clamping device |
| CN108098626A (en) * | 2017-12-15 | 2018-06-01 | 安徽省繁昌县皖南阀门铸造有限公司 | A kind of fixing device for wheel hub |
| CN108098626B (en) * | 2017-12-15 | 2019-09-10 | 安徽省繁昌县皖南阀门铸造有限公司 | A kind of fixing device for wheel hub |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151223 |