CN203495273U - Spalling prevention centering expansive force clamp - Google Patents
Spalling prevention centering expansive force clamp Download PDFInfo
- Publication number
- CN203495273U CN203495273U CN201320620100.5U CN201320620100U CN203495273U CN 203495273 U CN203495273 U CN 203495273U CN 201320620100 U CN201320620100 U CN 201320620100U CN 203495273 U CN203495273 U CN 203495273U
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- Prior art keywords
- expansive force
- elasticity
- axle
- cylindrical hole
- seat
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Abstract
The utility model discloses a spalling prevention centering expansive force clamp. The clamp is composed of an elastic expansive force seat, an expansive force central shaft and a pull rod. A cylindrical hole is formed in the middle of the elastic expansive force seat, a limiting step is arranged in the cylindrical hole, the expansive force central shaft and the pull rod are mounted in the cylindrical hole, the expansive force central shaft is mounted in the cylindrical hole in the right side of the limiting step, the pull rod is mounted in the left side of the cylindrical hole in the elastic expansive force seat, the left end of the pull rod is in thread connection with the expansive force central shaft, the right end of the elastic expansive force seat and the right end of the expansive force central shaft are respectively provided with a conical face, the conical face at the right end of the expansive force central shaft and the conical face at the right end of the elastic expansive force seat are matched, and a plurality of oblique opening grooves are formed in the circumference of the right end of the elastic expansive force seat. According to the technical scheme, the structure is simple, the design is reasonable, clamping is convenient, machining efficiency is improved, cost is lowered, the spalling phenomenon of the clamp is avoided, the defect that the clamp is deformed and loses efficacy in the using process is overcome, and the service life of the clamp is prolonged.
Description
Technical field
The utility model belongs to Fixture designing, is specifically related to a kind of expansion cracking proof centering expansive force fixture.
Background technology
Technology is when processing work now, the for example jump-ring slot of piston processing, traditional processing technology has two kinds, a kind of is to adopt angle plate jig to machine on lathe, and a kind of is to adopt expansive force fixture, and the former frock manufacture difficulty is large, during clamping, require great effort, labour intensity is large, and work efficiency is low, affects dimensional accuracy and the form accuracy of workpiece; The latter, because the endoporus of workpiece is large and thin, is not easy processing, also very easily causes fixture spalling distortion simultaneously.For solving this production practical problem, by analysis, design a expansion cracking proof centering expansive force fixture quite necessary for production reality, carrying the high-precision while and can reduce the consuming cost of frock.
Summary of the invention
The purpose of this utility model is to provide a kind of expansion cracking proof centering expansive force fixture, this clamp structure is simple, reasonable in design, convenient mounting and clamping, improve working (machining) efficiency, reduced cost, avoided fixture spalling phenomenon, also reduced the defect of in use deformation failure of fixture, extended the service life of fixture simultaneously.
For achieving the above object, a kind of expansion cracking proof centering of the utility model expansive force fixture, is characterized in that: comprise elasticity expansive force seat, expansive force axle and pull bar; The centre of described elasticity expansive force seat is provided with cylindrical hole, in cylindrical hole, be provided with limited step, expansive force axle and pull bar are installed in cylindrical hole, expansive force axle is arranged in the cylindrical hole on limited step right side, pull bar is arranged on the left side of cylindrical hole in elasticity expansive force seat, the left end of pull bar is threaded with expansive force axle, at the right-hand member of elasticity expansive force seat and the right-hand member of expansive force axle, be equipped with the conical surface, the conical surface of the conical surface of described expansive force axle right-hand member and elasticity expansive force seat right-hand member matches, and is provided with multiple tracks diagonal cut joint groove on the circumference of elasticity expansive force seat right-hand member.
The conical surface of described elasticity expansive force seat right-hand member becomes 29 ° of angles with axle center, the conical surface of expansive force axle right-hand member becomes 30 ° of angles with axle center.
On the circumference of elasticity expansive force seat right-hand member, be evenly provided with the diagonal cut joint groove that three road width are 2mm, three road diagonal cut joint grooves all become 10 ° of angles with axle center.
In technique scheme, when clamping tool, first workpiece is inserted on elasticity expansive force seat, and the locating surface of the locating surface of workpiece and elasticity expansive force seat is adjacent to and carries out longitudinal register, then, start tension pull bar, because expansive force axle is connected with pull rod screw, now, expansive force axle is moved to the left under the drive of pull bar, in expansive force axle, 30 ° of conical surfaces coordinate with 29 ° of taper hole faces of elasticity expansive force seat, the open slot that is 2mm at the circumference Shang Kai of elasticity expansive force seat right-hand member tri-road width, and be uniformly distributed, effectively prevented the deformation failure of elasticity expansive force seat, extended the fixture life-span, when expansive force axle is strained, the conical surface in axle can make the opening generation strain of elasticity expansive force seat right-hand member, thereby swelling inner hole of workpiece, realizing centering clamps.In addition, design anti-drawing crack limited step in the cylindrical hole of elasticity expansive force seat, avoided operator because maloperation makes elasticity expansive force seat deformation failure phenomenon.The utlity model has following advantage: the first, simple in structure, reasonable in design; The second, convenient mounting and clamping, has improved working (machining) efficiency, has reduced cost; The 3rd, avoided fixture spalling phenomenon, also reduced the defect of in use deformation failure of fixture simultaneously, extended the service life of fixture.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of expansion cracking proof centering of the utility model expansive force fixture;
Fig. 2 is the structural representation of pull bar and expansive force axle annexation in a kind of expansion cracking proof of the utility model centering expansive force fixture;
Fig. 3 is the structural representation of a kind of expansion cracking proof centering of the utility model expansive force fixture Elastic expansive force seat.
The specific embodiment
Below in conjunction with accompanying drawing, a kind of expansion cracking proof centering expansive force fixture of the present utility model is described in further detail.
As seen from Figure 1, a kind of expansion cracking proof centering expansive force fixture of the present embodiment is comprised of elasticity expansive force seat 1, expansive force axle 2 and pull bar 3, the centre of elasticity expansive force seat 1 is provided with cylindrical hole 4, in cylindrical hole 4, be provided with limited step 5, expansive force axle 2 and pull bar 3 are installed in cylindrical hole 4, expansive force axle 2 is arranged in the cylindrical hole 4 on limited step 5 right sides, pull bar 3 is arranged on the left side of elasticity expansive force seat 1 interior cylindrical hole 4, the left end of pull bar 3 is threaded with expansive force axle 2, at the right-hand member of elasticity expansive force seat 1 and the right-hand member of expansive force axle 2, be equipped with the conical surface, the conical surface of the conical surface of expansive force axle 2 right-hand members and elasticity expansive force seat 1 right-hand member matches, on the circumference of elasticity expansive force seat 1 right-hand member, be provided with multiple tracks diagonal cut joint groove 6.In the present embodiment, the conical surface of elasticity expansive force seat 1 right-hand member becomes 29 ° of angles with axle center, the conical surface of expansive force axle 2 right-hand members becomes 30 ° of angles with axle center, Wei tri-roads on the circumference of elasticity expansive force seat 1 right-hand member, the width of groove is 2mm, be evenly distributed on the circumference of elasticity expansive force seat 1 right-hand member, three road diagonal cut joint grooves 6 all become 10 ° of angles with axle center.
In the present embodiment, the diagonal cut joint groove 6 that design is evenly arranged on elasticity expansive force seat 1, during clamping, first workpiece to be processed 7 is inserted on elasticity expansive force seat 1, and the locating surface of the locating surface of workpiece 7 and elasticity expansive force seat 1 is adjacent to and carries out longitudinal register, then, start pull bar 3 tensions, expansive force axle 2 is connected with pull bar 3 by the screw thread of its left end, now, expansive force axle 2 is moved to the left under the drive of pull bar 3, in expansive force axle 2,30 ° of conical surfaces coordinate with 29 ° of taper hole faces of elasticity expansive force seat 1, the open slot that elasticity expansive force seat 1 right-hand member Kai San road width is 2mm, and be uniformly distributed, for preventing distortion, change effect, extended the fixture life-span, three road open slots are flume structure, become 10 ° of angles with axle center, when 2 tension of expansive force axle, the conical surface in expansive force axle 2 can make the opening generation strain of elasticity expansive force seat 1 right-hand member, thereby swelling inner hole of workpiece, realizing centering clamps.In the present embodiment, the interior limited step 5 that has designed anti-drawing crack of cylindrical hole 4 at elasticity expansive force seat 1, in use, when operator is due to maloperation, in the situation that there is no clamping workpiece, while starting tension, when the end face at the guide-localization position of expansive force axle is butted on the limited step on elasticity expansive force seat, now the tightening force of take-up device just thus limited step end face bear, just can not make the swelling conical surface of axle by the opening part spalling of expansive force seat front end.
Claims (3)
1. an expansion cracking proof centering expansive force fixture, is characterized in that: comprise elasticity expansive force seat (1), expansive force axle (2) and pull bar (3), the centre of described elasticity expansive force seat (1) is provided with cylindrical hole (4), in cylindrical hole (4), be provided with limited step (5), expansive force axle (2) and pull bar (3) are installed in cylindrical hole (4), expansive force axle (2) is arranged in the cylindrical hole (4) on limited step (5) right side, pull bar (3) is arranged on the left side of the interior cylindrical hole of elasticity expansive force seat (1) (4), the left end of pull bar (3) is threaded with expansive force axle (2), at the right-hand member of elasticity expansive force seat (1) and the right-hand member of expansive force axle (2), be equipped with the conical surface, the conical surface of the conical surface of described expansive force axle (2) right-hand member and elasticity expansive force seat (1) right-hand member matches, on the circumference of elasticity expansive force seat (1) right-hand member, be provided with multiple tracks diagonal cut joint groove (6).
2. a kind of expansion cracking proof centering expansive force fixture according to claim 1, is characterized in that: the conical surface of described elasticity expansive force seat (1) right-hand member becomes 29 ° of angles with axle center, and the conical surface of expansive force axle (2) right-hand member becomes 30 ° of angles with axle center.
3. a kind of expansion cracking proof centering expansive force fixture according to claim 1, is characterized in that: on the circumference of elasticity expansive force seat (1) right-hand member, be evenly provided with the diagonal cut joint groove (6) that three road width are 2mm, three road diagonal cut joint grooves (6) all become 10 ° of angles with axle center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320620100.5U CN203495273U (en) | 2013-10-10 | 2013-10-10 | Spalling prevention centering expansive force clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320620100.5U CN203495273U (en) | 2013-10-10 | 2013-10-10 | Spalling prevention centering expansive force clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203495273U true CN203495273U (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320620100.5U Expired - Fee Related CN203495273U (en) | 2013-10-10 | 2013-10-10 | Spalling prevention centering expansive force clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203495273U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384528B (en) * | 2014-09-29 | 2017-07-18 | 阳山县联合铸锻有限公司 | A kind of flange bearing metal cutting process technique |
| CN114012471A (en) * | 2021-11-12 | 2022-02-08 | 安徽省恒泰动力科技有限公司 | Anti-pulling-crack clamping mechanism for processing piston combustion chamber and using method |
-
2013
- 2013-10-10 CN CN201320620100.5U patent/CN203495273U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384528B (en) * | 2014-09-29 | 2017-07-18 | 阳山县联合铸锻有限公司 | A kind of flange bearing metal cutting process technique |
| CN114012471A (en) * | 2021-11-12 | 2022-02-08 | 安徽省恒泰动力科技有限公司 | Anti-pulling-crack clamping mechanism for processing piston combustion chamber and using method |
| CN114012471B (en) * | 2021-11-12 | 2022-10-28 | 安徽省恒泰动力科技有限公司 | Anti-pulling-crack clamping mechanism for processing piston combustion chamber and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ANHUI IRRITECH AGRICULTURE EQUIPMENT DEVELOPMENT CO.,LTD. Assignor: Anhui White Rabbit Power Co.,Ltd. Contract record no.: 2014340000196 Denomination of utility model: Spalling prevention centering expansive force clamp Granted publication date: 20140326 License type: Exclusive License Record date: 20141231 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 231400 Tongcheng Economic Development Zone, Anhui, Anqing Province, the same road, Anhui White Rabbit Lake Power Co., Ltd. Patentee after: ANHUI WHITE RABBIT LAKE POWER Co.,Ltd. Address before: 231400 Tongcheng Economic Development Zone, Anhui, Anqing Province, the same road, Anhui White Rabbit Lake Power Co., Ltd. Patentee before: Anhui White Rabbit Power Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20211010 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |