CN203592311U - Clamp capable of clamping workpiece rapidly - Google Patents
Clamp capable of clamping workpiece rapidly Download PDFInfo
- Publication number
- CN203592311U CN203592311U CN201320735196.XU CN201320735196U CN203592311U CN 203592311 U CN203592311 U CN 203592311U CN 201320735196 U CN201320735196 U CN 201320735196U CN 203592311 U CN203592311 U CN 203592311U
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- China
- Prior art keywords
- pressing plate
- shaft
- mandrel
- shaft part
- plate
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Abstract
The utility model discloses a clamp capable of clamping a workpiece rapidly. A core shaft is of a five-section type stepped shaft structure and sequentially comprises a first shaft section, a second shaft section, a third shaft section, a fourth shaft section and a fifth shaft section from left to right, wherein a copper-based steel ball retaining frame is installed on the third shaft section in a sleeved mode, a pressing plate and a covering plate are both installed on the fourth shaft section of the core shaft in a sleeved mode, a protrusion is arranged at the right part of the outer circle surface of the pressing plate, the covering plate is located at the left side of the pressing plate, a concave groove is formed in the hole wall of a central hole of the covering plate, a compressed spring is installed inside the central hole of the covering plate, the compressed spring is located at the fourth shaft section of the core shaft at the same time, the left end of the compressed spring is connected with a stepped surface of the core shaft in an abutting mode, the right end of the compressed spring fits a left plate surface of the pressing plate, and a nut is installed on the fifth shaft section of the core shaft in a sleeved mode. The clamp capable of clamping the workpiece rapidly can effectively achieve an interval between the hole wall of a central hole of the workpiece and the core shaft through the copper-based steel ball retaining frame, can well meet the requirement for coaxiality of the workpiece, further guarantees machining accuracy and quality of products, and can be rapidly replaced by loosening or fastening the nut and detaching or installing the covering plate.
Description
Technical field
The utility model belongs to frock clamp field, specifically, relates in particular to a kind of fast-clamping clamp for clamping gear, sleeve workpiece etc.
Background technology
At present, for the clamping of the workpiece such as gear, sleeve workpiece, generally adopt mandrel and Internal hole positioning, then the mode of increased pressure board and nut compression, and there is gap between mandrel and endoporus.
The existing defect for fixtures such as clamping gear, sleeve workpieces is as follows:
1, owing to having gap between the endoporus of workpiece and mandrel, the axiality that so just must cause workpiece to process is difficult to be guaranteed, thereby affects machining accuracy and the quality of product;
2,, owing to adopting pressing plate and nut to compress, the quick-clamping poor-performing of fixture is so badly in need of solving above-mentioned technical barrier for this reason.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of fast-clamping clamp, and wish is eliminated the gap between inner hole of workpiece and mandrel.
The technical solution of the utility model is as follows: a kind of fast-clamping clamp, comprise mandrel (1), pressing plate (2) and nut (3), it is characterized in that: described mandrel (1) is five-part form multidiameter structure, be followed successively by from left to right first, second, third and fourth and five shaft parts, wherein the diameter of the first shaft part is less than the diameter of the second shaft part, second and third, the diameter of four and five shaft parts reduces successively, and is set with a copper base ball retainer (4) on the 3rd shaft part of mandrel (1); Described pressing plate (2) is sleeved on the 4th shaft part of mandrel (1), the right part of this pressing plate periphery is provided with projection (2a), and be set with a cover plate (5) at the left part of pressing plate (2) periphery, on the hole wall of cover central hole, have groove (5a), number, position and size and the described projection (2a) of this groove adapt;
A stage clip (6) is housed in the centre bore of described cover plate (5), this stage clip is simultaneously on the 4th shaft part of described mandrel (1), and the step surface butt of stage clip (6) left end and mandrel (1), and the left plate face laminating of stage clip (6) right-hand member and described pressing plate (2); Described nut (3) is sleeved on the 5th shaft part of mandrel (1), between the two, is threaded connection.
While adopting this fixture to carry out clamping workpiece (G), first load onto spring (6), pressing plate (2) and nut (3) and load onto axle, again workpiece (G) is sleeved on to described copper base ball retainer (4) outside, and the hole wall of workpiece (G) centre bore and the steel ball close contact of copper base ball retainer (4), and the steel ball of copper base ball retainer (4) simultaneously with the axle body close contact of described mandrel (1).The groove (5a) of finally loading onto on cover plate (5) cover plate (5) staggers with the projection (2a) on pressing plate (2), and fastening nut (3), so just by workpiece (G) location, clamping; Complete after processing, first nut (3) is twisted and sent, again described cover plate (5) is turned an angle, groove (5a) on cover plate (5) is overlapped with projection (2a) position on pressing plate (2), so just cover plate (5) can be taken off, thereby quickly and easily workpiece (G) is taken off, and then realize quick change.
Adopt above technical scheme, the utility model can be realized the gap between hole wall and the mandrel (1) of workpiece (G) centre bore effectively by copper base ball retainer (4), so just can guarantee well the axiality requirement of workpiece (G), and then machining accuracy and the quality of assurance product, and this fixture just can be realized quick change by tightening nut (3) and dismounting cover plate (5), thereby overcome well the defect of traditional structure, and this fixture is simple in structure, easy to implement, there is good practicality.
As preferably, the number of described projection (2a) is three, these three projections (2a) being circumferentially evenly arranged along described pressing plate (2).
Certainly, in concrete manufacture process, can select according to actual needs the concrete number of projection (2a), and the concrete number of projection (2a) is not limited to the number described in the present embodiment.
As optimal design, the right panel face of described cover plate (5) is installed with an alignment pin (7), the axis parallel of the axial line of this alignment pin and cover plate (5).
Adopt above structure, described alignment pin (7) contacts with the projection (2a) of pressing plate (2), thereby cover plate (5) is circumferentially located.
As preferably, the first shaft part of described mandrel (1) and the 4th shaft part are flat part, and the centre bore of described pressing plate (2) is flat hole.
Adopt above structure, the first shaft part of described mandrel (1) adopts flat part, and object is for the ease of clamping, and the 4th shaft part of mandrel (1) adopts flat part, and the flat hole of the corresponding employing of the centre bore of described pressing plate (2) is in order to prevent that pressing plate (2) from rotating like this.
Beneficial effect: the utility model can be realized the gap between hole wall and the mandrel (1) of workpiece (G) centre bore effectively by copper base ball retainer (4), so just can guarantee well the axiality requirement of workpiece (G), and then machining accuracy and the quality of assurance product, and this fixture just can be realized quick change by tightening nut (3) and dismounting cover plate (5), thereby overcome well the defect of traditional structure, and this fixture is simple in structure, easy to implement, there is good practicality.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the explosive view of Fig. 1.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, 2, a kind of fast-clamping clamp, is mainly made up of mandrel 1, pressing plate 2, nut 3, copper base ball retainer 4, cover plate 5, stage clip 6 and alignment pin 7.Wherein, described mandrel 1 is five-part form multidiameter structure, be followed successively by from left to right first, second, third and fourth and five shaft parts, wherein the diameter of the first shaft part is less than the diameter of the second shaft part, second and third, the diameter of four and five shaft parts reduces successively, and the first shaft part and the 4th shaft part are flat part, and the 5th shaft part is external thread section.
On the 3rd shaft part of described mandrel 1, be set with a copper base ball retainer 4, the standard component that this copper base ball retainer 4 is outsourcing, it has a copper retainer, in the installing hole on retainer, steel ball is housed.Described pressing plate 2 is annular slab, and the centre bore of this pressing plate 2 is flat hole, and pressing plate 2 is sleeved on the 4th shaft part of mandrel 1, and the right part of these pressing plate 2 peripheries is provided with protruding 2a.As preferably, the number of described protruding 2a is three, these three protruding 2a being circumferentially evenly arranged along described pressing plate 2.
As shown in Figure 1, 2, described cover plate 5 is annular slab, and the centre bore of this cover plate 5 is circular hole, and cover plate 5 is sleeved on the left part of described pressing plate 2 peripheries, on the hole wall of cover plate 5 centre bores, have groove 5a, number, position and size and the described protruding 2a of this groove adapt.And the right panel face of described cover plate 5 is installed with an alignment pin 7, the axis parallel of the axial line of this alignment pin 7 and cover plate 5, and the right-hand member of alignment pin 7 can contact with the protruding 2a on described pressing plate 2, thus carry out circumferentially spacing.
A stage clip 6 is housed in the centre bore of described cover plate 5, and these 6 whiles of stage clip are on the 4th shaft part of described mandrel 1, and the step surface butt of stage clip 6 left ends and mandrel 1, and the left plate face laminating of stage clip 6 right-hand members and described pressing plate 2.Described nut 3 is sleeved on the 5th shaft part of mandrel 1, between the two, is threaded connection.
The foregoing is only preferred embodiment of the present utility model; not take the utility model as restriction; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. a fast-clamping clamp, comprise mandrel (1), pressing plate (2) and nut (3), it is characterized in that: described mandrel (1) is five-part form multidiameter structure, be followed successively by from left to right first, second, third and fourth and five shaft parts, wherein the diameter of the first shaft part is less than the diameter of the second shaft part, second and third, the diameter of four and five shaft parts reduces successively, and is set with a copper base ball retainer (4) on the 3rd shaft part of mandrel (1); Described pressing plate (2) is sleeved on the 4th shaft part of mandrel (1), the right part of this pressing plate periphery is provided with projection (2a), and be set with a cover plate (5) at the left part of pressing plate (2) periphery, on the hole wall of cover central hole, have groove (5a), number, position and size and the described projection (2a) of this groove adapt;
A stage clip (6) is housed in the centre bore of described cover plate (5), this stage clip is simultaneously on the 4th shaft part of described mandrel (1), and the step surface butt of stage clip (6) left end and mandrel (1), and the left plate face laminating of stage clip (6) right-hand member and described pressing plate (2); Described nut (3) is sleeved on the 5th shaft part of mandrel (1), between the two, is threaded connection.
2. fast-clamping clamp according to claim 1, is characterized in that: the number of described projection (2a) is three, these three projections (2a) being circumferentially evenly arranged along described pressing plate (2).
3. fast-clamping clamp according to claim 1 and 2, is characterized in that: the right panel face of described cover plate (5) is installed with an alignment pin (7), the axis parallel of the axial line of this alignment pin and cover plate (5).
4. fast-clamping clamp according to claim 1, is characterized in that: the first shaft part of described mandrel (1) and the 4th shaft part are flat part, and the centre bore of described pressing plate (2) is flat hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320735196.XU CN203592311U (en) | 2013-11-19 | 2013-11-19 | Clamp capable of clamping workpiece rapidly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320735196.XU CN203592311U (en) | 2013-11-19 | 2013-11-19 | Clamp capable of clamping workpiece rapidly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203592311U true CN203592311U (en) | 2014-05-14 |
Family
ID=50673258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320735196.XU Withdrawn - After Issue CN203592311U (en) | 2013-11-19 | 2013-11-19 | Clamp capable of clamping workpiece rapidly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203592311U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639535A (en) * | 2013-11-19 | 2014-03-19 | 重庆市星极齿轮有限责任公司 | Rapidly-clamping clamp |
| CN110153509A (en) * | 2019-06-18 | 2019-08-23 | 北京航空航天大学 | A kind of thin-walled herringbone gear clamp for machining |
-
2013
- 2013-11-19 CN CN201320735196.XU patent/CN203592311U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639535A (en) * | 2013-11-19 | 2014-03-19 | 重庆市星极齿轮有限责任公司 | Rapidly-clamping clamp |
| CN103639535B (en) * | 2013-11-19 | 2015-12-09 | 重庆市星极齿轮有限责任公司 | A kind of fast-clamping clamp |
| CN110153509A (en) * | 2019-06-18 | 2019-08-23 | 北京航空航天大学 | A kind of thin-walled herringbone gear clamp for machining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140514 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |