CN202877919U - Stepped shaft punching clamp - Google Patents
Stepped shaft punching clamp Download PDFInfo
- Publication number
- CN202877919U CN202877919U CN 201220497085 CN201220497085U CN202877919U CN 202877919 U CN202877919 U CN 202877919U CN 201220497085 CN201220497085 CN 201220497085 CN 201220497085 U CN201220497085 U CN 201220497085U CN 202877919 U CN202877919 U CN 202877919U
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- CN
- China
- Prior art keywords
- cylindrical shell
- cover plate
- multidiameter
- screw rod
- cylinder body
- 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
The utility model relates to a stepped shaft punching clamp which comprises a first cylinder body, a second cylinder body, a screw rod clamp mechanism, a cover plate and a fastener. The second cylinder body is arranged in the first cylinder body, the upper surface of the second cylinder body is lower than the upper surface of the first cylinder body, a first round hole is formed in the center of the lower end face of the first cylinder body, and multiple groups of threaded holes are symmetrically formed in the first cylinder body and the second cylinder body. The screw rod clamp mechanism which is used for clamping a stepped shaft is connected in the threaded holes, a cover plate is arranged on the second cylinder body, and the cover plate is connected with the second cylinder body through the fastener. A second round hole is formed in the cover plate, the size of the second round hole is same with that of the first round hole, and the first round hole and the second round hole are arranged on the same axis. The stepped shaft punching clamp is convenient to operate, can well fix the stepped shaft, guarantees precision and straightness accuracy of a machined through hole, meets requirements of production and machining, and is high in machining efficiency and suitable for mass production.
Description
Technical field
The utility model designs a kind of perforating clamp, relates in particular to a kind of perforating clamp for processing multidiameter central through hole.
Background technology
A kind of irregular workpiece such as accompanying drawing 1 described multidiameter, in processing, be not easy to be fixed, the through hole 12 that needs now its axial centre of processing, method commonly used is directly workpiece to be fixed, and then determines the position in hole, then workpiece is carried out direct perforation processing, but such processing method causes the precision in hole and linearity to guarantee, can not satisfy the demand of production and processing, and working (machining) efficiency is low, is unsuitable for batch machining.
The utility model content
The utility model purpose is that a kind of easy to operate, precision and linearity and high multidiameter perforating clamp of working (machining) efficiency that can guarantee through hole is provided in order to overcome the deficiencies in the prior art.
For achieving the above object, the technical solution adopted in the utility model is: a kind of multidiameter perforating clamp comprises the first cylindrical shell, the second cylindrical shell, screw rod clamp mechanism, cover plate and securing member; Be provided with the second cylindrical shell in described the first cylindrical shell; Described the second cylindrical shell upper surface is lower than the upper surface of the first cylindrical shell; The center of described the first cylindrical shell lower surface has the first circular hole; Symmetry has many group screwed holes on described the first cylindrical shell and the second cylindrical shell; Be connected with in the described screwed hole for the screw rod clamp mechanism that clamps multidiameter; Described the second cylindrical shell is provided with cover plate; Described cover plate links to each other with the second cylindrical shell by securing member; Have identically with the first circular hole size on the described cover plate, and be positioned at the second circular hole on the same axis.
Preferably, described screw rod clamp mechanism comprises screw rod, paw and knob; Described screw rod is arranged in the screwed hole; The inner end of the described screw rod paw that has been rotatably connected; Described paw is arcuation; The outer end of described screw rod is provided with knob.
Preferably, described screwed hole is symmetrical two groups.
Preferably, described cover plate is rounded.
Preferably, described cover plate upper surface is mutually concordant with the upper surface of the first cylindrical shell.
Preferably, the external diameter of described cover plate is identical with the internal diameter of the first cylindrical shell.
Preferably, described securing member is arranged with two.
Because the utilization of technique scheme, the utility model compared with prior art has following advantages:
A kind of multidiameter perforating clamp of the utility model scheme, easy to operate, can be good at fixing multidiameter, guaranteed precision and the linearity of the through hole of processing, satisfied the demand of production and processing, and working (machining) efficiency is high, is applicable to batch machining.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Accompanying drawing 1 is the structural representation of multidiameter workpiece to be processed;
Accompanying drawing 2 is the structural representation of multidiameter perforating clamp of the present utility model;
Accompanying drawing 3 is the exploded view of multidiameter perforating clamp of the present utility model;
Accompanying drawing 4 is the structural representation cutaway view of the use state of multidiameter perforating clamp of the present utility model;
Wherein: 1, the first cylindrical shell; 2, the second cylindrical shell; 3, cover plate; 4, securing member; 5, the first circular hole; 6, screwed hole; 7, screw rod; 8, paw; 9, knob; 10, the second circular hole; 11, multidiameter workpiece; 12, through hole.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and the specific embodiments.
A kind of multidiameter perforating clamp described in the utility model shown in accompanying drawing 2,3 comprises the first cylindrical shell 1, the second cylindrical shell 2, screw rod clamp mechanism, cover plate 3 and securing member 4; Be provided with the second cylindrical shell 2 in described the first cylindrical shell 1; Described the second cylindrical shell 2 upper surfaces are lower than the upper surface of the first cylindrical shell 1; The center of described the first cylindrical shell 1 lower surface has the first circular hole 5; Symmetry has many group screwed holes 6 on described the first cylindrical shell 1 and the second cylindrical shell 2; Be connected with in the described screwed hole 6 for the screw rod clamp mechanism that clamps multidiameter; Described screw rod clamp mechanism comprises screw rod 7, paw 8 and knob 9; Described screw rod 7 is arranged in the screwed hole 6; The inner end of described screw rod 7 paw 8 that has been rotatably connected; Described paw 8 is arcuation; The outer end of described screw rod 7 is provided with knob 9; Described the second cylindrical shell 2 is provided with cover plate 3; Described cover plate links to each other with the second cylindrical shell by securing member 4; Described securing member 4 is arranged with two; Described cover plate 3 is rounded; Described cover plate 3 upper surfaces are mutually concordant with the upper surface of the first cylindrical shell 2; The external diameter of described cover plate 3 is identical with the internal diameter of the first cylindrical shell 1; Have identically with the first circular hole 5 size on the described cover plate 3, and be positioned at the second circular hole 10 on the same axis.
A kind of multidiameter perforating clamp described in the utility model as shown in Figure 4, during use, unload the screw rod clamp mechanism, the multidiameter workpiece 11 of needs processing is put into the second cylindrical shell 2, general, the internal diameter of the second cylindrical shell 2 is identical with the large footpath of multidiameter workpiece 11, length is identical, then paw 8 is put into the second cylindrical shell 2, screw rod 7 is screwed in screwed hole 6 be connected with paw 8, turn knob 9, with the miner diameter end of paw 8 near multidiameter workpiece 11, then cover cover plate 3, be connected with the second cylindrical shell 2 by securing member 4, finish multidiameter workpiece 11, get final product facing to the first circular hole 5 or the second circular hole 10 processing through holes at last.
Multidiameter perforating clamp of the present utility model, easy to operate, can be good at fixing multidiameter, guaranteed precision and the linearity of the through hole of processing, satisfied the demand of production and processing, and working (machining) efficiency is high, is applicable to batch machining.
Above-mentioned multidiameter perforating clamp, described screwed hole are symmetrical two groups, and when namely being provided with two groups of screw rod clamp mechanism, result of use is best.
Below only be concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, all drop within the utility model rights protection scope.
Claims (7)
1. a multidiameter perforating clamp is characterized in that: comprise the first cylindrical shell, the second cylindrical shell, screw rod clamp mechanism, cover plate and securing member; Be provided with the second cylindrical shell in described the first cylindrical shell; Described the second cylindrical shell upper surface is lower than the upper surface of the first cylindrical shell; The center of described the first cylindrical shell lower surface has the first circular hole; Symmetry has many group screwed holes on described the first cylindrical shell and the second cylindrical shell; Be connected with in the described screwed hole for the screw rod clamp mechanism that clamps multidiameter; Described the second cylindrical shell is provided with cover plate; Described cover plate links to each other with the second cylindrical shell by securing member; Have identically with the first circular hole size on the described cover plate, and be positioned at the second circular hole on the same axis.
2. multidiameter perforating clamp according to claim 1, it is characterized in that: described screw rod clamp mechanism comprises screw rod, paw and knob; Described screw rod is arranged in the screwed hole; The inner end of the described screw rod paw that has been rotatably connected; Described paw is arcuation; The outer end of described screw rod is provided with knob.
3. multidiameter perforating clamp according to claim 1 and 2 is characterized in that: described screwed hole is symmetrical two groups.
4. multidiameter perforating clamp according to claim 1, it is characterized in that: described cover plate is rounded.
5. according to claim 1 or 4 described multidiameter perforating clamps, it is characterized in that: described cover plate upper surface is mutually concordant with the upper surface of the first cylindrical shell.
6. multidiameter perforating clamp according to claim 5, it is characterized in that: the external diameter of described cover plate is identical with the internal diameter of the first cylindrical shell.
7. multidiameter perforating clamp according to claim 1, it is characterized in that: described securing member is arranged with two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220497085 CN202877919U (en) | 2012-09-27 | 2012-09-27 | Stepped shaft punching clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220497085 CN202877919U (en) | 2012-09-27 | 2012-09-27 | Stepped shaft punching clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202877919U true CN202877919U (en) | 2013-04-17 |
Family
ID=48069384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220497085 Expired - Fee Related CN202877919U (en) | 2012-09-27 | 2012-09-27 | Stepped shaft punching clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202877919U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103659330A (en) * | 2013-11-28 | 2014-03-26 | 无锡市航鹄科技有限公司 | Positioning tool for lathing inner circles |
| CN109249055A (en) * | 2018-10-22 | 2019-01-22 | 冯俊辉 | A kind of fixture for multi-diameter shaft side-wall hole |
-
2012
- 2012-09-27 CN CN 201220497085 patent/CN202877919U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103659330A (en) * | 2013-11-28 | 2014-03-26 | 无锡市航鹄科技有限公司 | Positioning tool for lathing inner circles |
| CN109249055A (en) * | 2018-10-22 | 2019-01-22 | 冯俊辉 | A kind of fixture for multi-diameter shaft side-wall hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20130927 |