CN205008929U - Anchor clamps of processing solid of revolution thin wall part - Google Patents
Anchor clamps of processing solid of revolution thin wall part Download PDFInfo
- Publication number
- CN205008929U CN205008929U CN201520755854.0U CN201520755854U CN205008929U CN 205008929 U CN205008929 U CN 205008929U CN 201520755854 U CN201520755854 U CN 201520755854U CN 205008929 U CN205008929 U CN 205008929U
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- clamp segment
- section
- clamp
- segment
- fixture
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- 239000007787 solid Substances 0.000 title abstract 2
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 210000000078 claw Anatomy 0.000 abstract description 17
- 238000003754 machining Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 241000446313 Lamella Species 0.000 abstract 3
- 238000012797 qualification Methods 0.000 description 3
- 238000010923 batch production Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
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- Clamps And Clips (AREA)
Abstract
The utility model discloses an anchor clamps of processing solid of revolution thin wall part, including collet body, collet body divide into the tight section of first clamp, external screw thread section and linkage segment after to in the past in proper order, the tight section of first clamp comprises a plurality of claw lamellas that can open or draw in, the little big outer toper in back before whole component is, still including the cover at the anterior helicoidal that compresses tightly of collet body, it divide into the second in the past after to in proper order and presss from both sides tight section and internal thread to compress tightly the helicoidal hole, the little big interior toper in back before the tight section of second clamp is, second the clamp tightly interior conical surface of section are laminated with the male cone (strobilus masculinus) of tight section of first clamp, internal thread corresponds the cooperation with the external screw thread section, screw up or loosen and compress tightly the helicoidal, can realize that the claw lamella of the tight section of first clamp draws in in or opens. The utility model discloses the collet body front portion sets up a plurality of claw lamellas, can effectively prevent PARTS DEFORMED, improves the parts machining quality, only need through compressing tightly loosening and screwing up the change that realizes the thin wall part of helicoidal, repeated positioning accuracy is high, simple structure, low in manufacturing cost.
Description
Technical field
The utility model relates to clamping device technical field, is specifically related to a kind of fixture processing thin-wall revolving body part.
Background technology
The relatively thin part of some wall thickness is had, as set pin sleeve, valve seat etc. in engine.These parts due to wall thickness thinner, Geometrical Tolerance Principle is higher.With the direct holding parts of chuck, make part radial force point less, the chucking power in unit are is comparatively large, and part easily produces elastic deformation, and machining accuracy is difficult to ensure, the qualification rate of part is lower.Document CN101367132A disclose a kind of can the jig of processing thin-wall workpiece of revolution body, comprise clamping fixture seat and three claws, each claw is by claw Connection Block, claw junction surface and cross-sectional profiles are fan-shaped claw extension composition, described claw extension stretches out block and an interior claw by three outer claws and stretches out block and form, interior claw stretches out block and claw junction surface forms one, three outer claws all can radially produce micro-elastic deformation afterwards claw extension outer surface is stressed, three described outer claws stretch out through slot block is provided with perpendicular to claw extension cross section, elastomeric element is provided with in through slot.The present invention the jig of processing thin-wall workpiece of revolution body can adopt such structure, thin-wall revolving body work piece is made to add stress point when clamping, and uniform force, opposite sex distortion is produced when avoiding thin-wall revolving body work piece clamping, ensure that the form and position tolerance that thin-wall revolving body work piece is processed and dimensional accuracy, improve product qualified rate.Although frock adopts the mode of axial grip can avoid above problem, improve the qualification rate of workpiece, structure is comparatively complicated, and the non-cutting time needed for workpiece loading and unloading is more, and production efficiency is lower.
Summary of the invention
The purpose of this utility model is to provide a kind of fixture processing thin-wall revolving body part, part effectively can be prevented because stress deformation is on the impact of its machining accuracy, effectively can improve the qualification rate of part, improve the efficiency of batch production simultaneously.
A kind of fixture processing thin-wall revolving body part described in the utility model, comprises Gripper body, and the two ends of described Gripper body are respectively front end face and rear end face, and a pre-large post-small stepped hole runs through this front end face and rear end face along Gripper body 1 axle center.
Described Gripper body be divided into successively from front to back the first clamp segment, external thread section and be connected with lathe chuck linkage section; Described first clamp segment is made up of multiple pawl lobe that can open or draw in, and entirety is configured to pre-small post-large male-tapered.
Also comprise the compression bung flange being enclosed within Gripper body front portion; Described compression bung flange endoporus is divided into the second clamp segment and internal thread segment from front to back successively; Described second clamp segment is pre-small post-large inner conical, fits during the work of the inner conical surface of the second clamp segment with the male cone (strobilus masculinus) of the first clamp segment, to the first clamp segment compression; Described internal thread segment and external thread section corresponding matching; Tighten or unclamp compression bung flange, the pawl lobe that can realize the first clamp segment draws in or opens.
Further, first guide section on the face of cylinder is provided with between described first clamp segment and external thread section; The second guide section is provided with between described second clamp segment and internal thread segment; Described first guide section and the second guide section corresponding matching, play the guiding role, and makes Gripper body coaxial with compression bung flange.
Further, boss is provided with between described linkage section and external thread section.
Further, described external thread section and internal thread segment are fine thread, and fine thread comparatively coarse thread has better fine-tuning capability and self-lock ability.
Further, the inner conical surface gradient of described second clamp segment is greater than the male cone (strobilus masculinus) gradient of the first clamp segment, prevents the inner conical surface of the second clamp segment and the male cone (strobilus masculinus) of the first clamp segment from producing at moving process and interferes.
Further, described second clamp segment and the first clamp segment are rounded contact.
Further, the outer surface compressing bung flange adopts reticulate structure, prevents from, in artificial loading and unloading process, skidding when rotatably compressing bung flange.
The utility model Gripper body front portion arranges multiple pawl lobe, and thin-walled parts has multiple uniform stress point, effectively can prevent part deformation, improves part crudy; Gripper body is fixed in the chuck of lathe, only need by compressing unclamping and tightening the replacing realizing thin-walled parts of bung flange, and repetitive positioning accuracy is high; Structure is simple, low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is Gripper body structural representation.
Fig. 3 is for compressing bung flange sectional view.
In figure, 1-Gripper body, 2-compress bung flange, 11-linkage section, 12-boss, 13-external thread section, 14-first guide section, 15-first clamp segment, 16-stepped hole, 17-front end face, 18 rear end faces, 21-second clamp segment, 22-second guide section, 23-internal thread segment.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail:
See a kind of fixture processing thin-wall revolving body part shown in Fig. 1-Fig. 3, comprise Gripper body 1, the two ends of described Gripper body 1 are respectively front end face 17 and the pre-large post-small stepped hole 16 of rear end face 18, runs through this front end face 17 and rear end face 18 along Gripper body 1 axle center.
Described Gripper body 1 be divided into successively from front to back the first clamp segment 15, external thread section 13 and be connected with lathe chuck linkage section 11; Described first clamp segment 15 is made up of multiple pawl lobe that can open or draw in, and entirety is configured to pre-small post-large male-tapered.
Also comprise the compression bung flange 2 being enclosed within Gripper body 1 front portion; Described compression bung flange 2 endoporus is divided into the second clamp segment 21 and internal thread segment 23 from front to back successively; Described second clamp segment 21 is pre-small post-large inner conical, during the work of the inner conical surface of the second clamp segment 21 and the male cone (strobilus masculinus) of the first clamp segment 15 fit, the first clamp segment 15 is compressed; Described internal thread segment 23 and external thread section 13 corresponding matching; Tighten or unclamp and compress bung flange 2, the pawl lobe that can realize the first clamp segment 15 draws in or opens.
Further, first guide section 14 on the face of cylinder is provided with between described first clamp segment 15 and external thread section 13; The second guide section 22 is provided with between described second clamp segment 21 and internal thread segment 23; Described first guide section 14 and the second guide section 22 corresponding matching, play the guiding role, and makes Gripper body 1 coaxial with compression bung flange 2.
Further, boss 12 is provided with between described linkage section 11 and external thread section 13.
Further, described external thread section 13 and internal thread segment 23 are fine thread, and fine thread comparatively coarse thread has better fine-tuning capability and self-lock ability.
Further, the inner conical surface gradient of described second clamp segment 21 is greater than the male cone (strobilus masculinus) gradient of the first clamp segment 15, prevents the inner conical surface of the second clamp segment 21 and the male cone (strobilus masculinus) of the first clamp segment 15 from producing at moving process and interferes.
Further, described second clamp segment 21 and the first clamp segment 15 are rounded contact.
Further, the outer surface compressing bung flange 2 adopts reticulate structure, prevents from, in artificial loading and unloading process, skidding when rotatably compressing bung flange.
During use, by linkage section 11 clamping of Gripper body 1 on the chuck of lathe, chuck is utilized to carry out pretension to linkage section, by boss and the first guide section 14 centering Gripper body 1, make it coaxial with lathe spindle, after adjusting, gripper chuck stressed joint section 11, in thin-walled parts process after this, between Gripper body 1 and the chuck of lathe, relative motion can not be produced.Be positioned over one end of thin-walled parts in stepped hole 16, compress bung flange 2 by tightening or unclamping, the pawl lobe that can realize the first clamp segment 15 draws in or opens, thus realizes the replacing processing of thin-walled parts.
Claims (7)
1. process the fixture of thin-wall revolving body part for one kind, comprise Gripper body (1), the two ends of described Gripper body (1) are respectively front end face (17) and rear end face (18), and a pre-large post-small stepped hole (16) runs through this front end face (17) and rear end face (18) along Gripper body (1) axle center; It is characterized in that:
The linkage section (11) that described Gripper body (1) is divided into the first clamp segment (15), external thread section (13) from front to back successively and is connected with lathe chuck; Described first clamp segment (15) is made up of multiple pawl lobe that can open or draw in, and entirety is configured to pre-small post-large male-tapered;
Also comprise and be enclosed within the anterior compression bung flange (2) of Gripper body (1); Described compression bung flange (2) endoporus is divided into the second clamp segment (21) and internal thread segment (23) from front to back successively; Described second clamp segment (21) is pre-small post-large inner conical, during the work of the inner conical surface of the second clamp segment (21) and the male cone (strobilus masculinus) of the first clamp segment (15) fit, the first clamp segment (15) is compressed; Described internal thread segment (23) and external thread section (13) corresponding matching; Tighten or unclamp and compress bung flange (2), the pawl lobe that can realize the first clamp segment (15) draws in or opens.
2. the fixture of processing thin-wall revolving body part according to claim 1, is characterized in that: the first guide section (14) being provided with the face of cylinder between described first clamp segment (15) and external thread section (13); The second guide section (22) is provided with between described second clamp segment (21) and internal thread segment (23); Described first guide section (14) and the second guide section (22) corresponding matching.
3. the fixture of processing thin-wall revolving body part according to claim 1 and 2, is characterized in that: be provided with boss (12) between described linkage section (11) and external thread section (13).
4. the fixture of processing thin-wall revolving body part according to claim 1 and 2, is characterized in that: described external thread section (13) and internal thread segment (23) are fine thread.
5. the fixture of processing thin-wall revolving body part according to claim 1 and 2, is characterized in that: the inner conical surface gradient of described second clamp segment (21) is greater than the male cone (strobilus masculinus) gradient of the first clamp segment (15).
6. the fixture of processing thin-wall revolving body part according to claim 1 and 2, is characterized in that: described second clamp segment (21) and the first clamp segment (15) are rounded contact.
7. the fixture of processing thin-wall revolving body part according to claim 1, is characterized in that: the outer surface compressing bung flange (2) adopts reticulate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520755854.0U CN205008929U (en) | 2015-09-28 | 2015-09-28 | Anchor clamps of processing solid of revolution thin wall part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520755854.0U CN205008929U (en) | 2015-09-28 | 2015-09-28 | Anchor clamps of processing solid of revolution thin wall part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205008929U true CN205008929U (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520755854.0U Expired - Fee Related CN205008929U (en) | 2015-09-28 | 2015-09-28 | Anchor clamps of processing solid of revolution thin wall part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205008929U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105710412A (en) * | 2016-04-11 | 2016-06-29 | 哈尔滨建成集团有限公司 | Clamp special for hole drilling of thin-wall conic body window |
| CN107649920A (en) * | 2017-09-25 | 2018-02-02 | 淮海工业集团有限公司 | A kind of clamping tool for processing cone-shaped hood class part |
| CN108673183A (en) * | 2018-06-07 | 2018-10-19 | 绵竹市凯瑞机械加工有限公司 | A kind of fixture applied to pieces of sheet |
| CN108907835A (en) * | 2018-07-03 | 2018-11-30 | 芜湖恒跃智能装备有限公司 | A kind of clamp for lathe positioning device |
| CN109454475A (en) * | 2018-12-11 | 2019-03-12 | 西安航天精密机电研究所 | A kind of clamp for machining with big small end hollow component |
| CN109759858A (en) * | 2019-02-14 | 2019-05-17 | 大族激光科技产业集团股份有限公司 | Frock clamp |
| CN110052864A (en) * | 2019-05-28 | 2019-07-26 | 华域视觉科技(上海)有限公司 | High-precision PETS part and reflecting mirror parts batch production labor clamps |
| CN112873080A (en) * | 2020-12-17 | 2021-06-01 | 贵州航天控制技术有限公司 | Disc type elastic chuck assembly for clamping small-sized workpiece |
| CN113500439A (en) * | 2021-08-20 | 2021-10-15 | 宁夏东方钽业股份有限公司 | Clamping device and method for machining welding surface of thin-wall niobium alloy thrust chamber |
| CN115041977A (en) * | 2022-06-22 | 2022-09-13 | 四川航天长征装备制造有限公司 | Clamp for clamping rotary thin-wall parts |
-
2015
- 2015-09-28 CN CN201520755854.0U patent/CN205008929U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105710412A (en) * | 2016-04-11 | 2016-06-29 | 哈尔滨建成集团有限公司 | Clamp special for hole drilling of thin-wall conic body window |
| CN107649920A (en) * | 2017-09-25 | 2018-02-02 | 淮海工业集团有限公司 | A kind of clamping tool for processing cone-shaped hood class part |
| CN108673183A (en) * | 2018-06-07 | 2018-10-19 | 绵竹市凯瑞机械加工有限公司 | A kind of fixture applied to pieces of sheet |
| CN108907835A (en) * | 2018-07-03 | 2018-11-30 | 芜湖恒跃智能装备有限公司 | A kind of clamp for lathe positioning device |
| CN109454475A (en) * | 2018-12-11 | 2019-03-12 | 西安航天精密机电研究所 | A kind of clamp for machining with big small end hollow component |
| CN109759858A (en) * | 2019-02-14 | 2019-05-17 | 大族激光科技产业集团股份有限公司 | Frock clamp |
| CN110052864A (en) * | 2019-05-28 | 2019-07-26 | 华域视觉科技(上海)有限公司 | High-precision PETS part and reflecting mirror parts batch production labor clamps |
| CN112873080A (en) * | 2020-12-17 | 2021-06-01 | 贵州航天控制技术有限公司 | Disc type elastic chuck assembly for clamping small-sized workpiece |
| CN113500439A (en) * | 2021-08-20 | 2021-10-15 | 宁夏东方钽业股份有限公司 | Clamping device and method for machining welding surface of thin-wall niobium alloy thrust chamber |
| CN115041977A (en) * | 2022-06-22 | 2022-09-13 | 四川航天长征装备制造有限公司 | Clamp for clamping rotary thin-wall parts |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160203 |