CN104858463A - Manual self-centering clamp for thin-walled part - Google Patents
Manual self-centering clamp for thin-walled part Download PDFInfo
- Publication number
- CN104858463A CN104858463A CN201410063033.0A CN201410063033A CN104858463A CN 104858463 A CN104858463 A CN 104858463A CN 201410063033 A CN201410063033 A CN 201410063033A CN 104858463 A CN104858463 A CN 104858463A
- Authority
- CN
- China
- Prior art keywords
- cone
- axle
- thin
- multistage axis
- manual
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
- B23B31/404—Gripping the work or tool by jaws moving radially controlled by conical surfaces
- B23B31/4046—Details of the jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
- B23B31/404—Gripping the work or tool by jaws moving radially controlled by conical surfaces
- B23B31/4066—Gripping the work or tool by jaws moving radially controlled by conical surfaces using mechanical transmission through the spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
- B23B31/4073—Gripping the work or tool between planes almost perpendicular to the axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2215/00—Details of workpieces
- B23B2215/64—Thin walled components
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to a manual self-centering clamp for a thin-walled part. The manual self-centering clamp is characterized in that at least two groups of radial through holes are formed in a positioning column of a mandrel in the axial direction; each group of radial through holes comprise three or four radial through holes uniformly distributed in the same cross section of the positioning column; positioning clamping columns are connected into the radial through holes in a clearance fit manner; a multi-stage cone shaft is connected into a step inner hole of the mandrel in a clearance fit manner; a reset spring connected onto the multi-stage cone shaft in a sleeving manner is mounted between a boss at the front end of the multi-stage cone shaft and the front-end step surface of the step inner hole; the rear end of the multi-stage cone shaft is connected with an inner hole of an end cover in a clearance fit manner, and the end cover is fixedly connected onto the rear end of the positioning column; conical columns corresponding to the groups of radial through holes are arranged in the middle of the multi-stage cone shaft; each conical column comprises a front-end circular truncated cone and a rear-end circular truncated cone; the conical column surface of each conical column is contacted and connected with the bottom end of the corresponding positioning clamping column; a connecting base is arranged on the end cover; a manual driving rod is mounted in the connecting base; the driving end of the manual driving rod is contacted and connected with the bottom surface of a groove in the rear end of the multi-stage cone shaft.
Description
Technical field
The present invention relates to a kind of thin-walled parts centralizer, particularly a kind of self-centering fixture of thin-walled parts.
Background technology
In machining, some workpiece are positioned by its endoporus and are clamped, and existing fixture or complicated structure, be exactly unload cumbersome, and order scarcely can realize self-centering, often can not satisfy condition requirement, causes machining accuracy poor.Therefore, Chinese invention patent application number: 201110286659.4, disclose a kind of self-centering fixture, axle is the cone of hollow, and the external diameter of nearly ring flange end is greater than the external diameter of ring flange end far away, the ring flange end far away of axle has one section of external screw thread, this section of external screw thread place is equipped with adjusting nut, the outer circumference of axle is arranged with a slidably baffle ring, axle is provided with a pair along the chute distributed in axle, the axle center of axle is hung with a pull bar, one end of pull bar and baffle ring are fixed by a pin, pin is through in a pair chute, and can slide along it, the other end of pull bar is fixed with a catch, the inwall of expansion set is the conicoid matched with the outer wall of axle, outer wall is column face, the nearly ring flange end of expansion set has the locating ring for axial location workpiece of circumference protrusion, expansion set axially offers multiple expansion joint being convenient to expand and shrink, expansion set is set between baffle ring and adjusting nut, when adjusting nut is to when the direction turn of described ring flange, the direction that expansion set increases to the external diameter of axle is moved and makes enlarged outside diameter, thus offset with the inwall of workpiece, when adjusting nut is to direction turn away from ring flange, the catch described in adjusting nut drives, by pull bar and baffle ring, makes expansion set move to the direction of the reduced diameter of described axle, the reduced diameter of expansion set and being separated with the inwall of workpiece.But this fixture is in the process of clamping thin-walled parts, easily thin-walled parts is caused to be out of shape.Particularly the distortion of thin-walled elongated workpieces is larger.
Summary of the invention
The present invention is the technical problem clamping machining deformation that will solve thin-walled elongated workpieces, provides a kind of thin-walled parts manual self-centering fixture.
For solving the problems of the technologies described above, the technical solution used in the present invention is: the manual self-centering fixture of a kind of thin-walled parts, comprise axle, the multistage axis of cone, end cap, back-moving spring, locating dowel one end of axle is provided with positioning step, axle cylindrical is location cylinder, an inner bore of step is provided with in the location cylinder of axle, the locating dowel of axle has vertically at least two group radial direction through hole, often organize radial direction through hole on the same cross section of locating dowel, be evenly equipped with three or four radial direction through hole, in radial direction through hole, activity is connected location clamping column, in the inner bore of step of axle, activity is connected the multistage axis of cone, multistage axis of cone front end is connected with the front end positioning guide hole matched in clearance of inner bore of step, between the boss of multistage axis of cone front end and inner bore of step front end step surface, the back-moving spring be socketed in the multistage axis of cone is housed, multistage axis of cone rear end and the end cap endoporus activity be fixedly connected on locating dowel rear end are connected, the circular cone post corresponding with often organizing radial direction through hole is provided with in the middle part of the multistage axis of cone, each circular cone post is made up of nose circle frustum and back end cylindrical platform, the circular cone cylinder of each circular cone post contacts with the bottom of location clamping column and connects, Connection Block is provided with above end cap, Connection Block is built with manual actuation bar, the drive end of manual actuation bar contacts with multistage axis of cone rearmost flute bottom surface and connects.
The locating dowel of axle is connected with thin-walled parts endoporus matched in clearance.End cap cylindrical is threaded end face clamp nut.Multistage axis of cone rearmost flute bottom surface is provided with inclined-plane, and the drive end of manual actuation bar is equipped with rolling bearing, and housing washer and multistage axis of cone rearmost flute bottom surface Structure deformation.
The invention has the beneficial effects as follows: structure is simple, workpiece easy to loading and unloading, and can self-centering be realized, after particularly employing location clamping column, in the process of clamping thin-walled elongated workpieces, thin-walled elongated workpieces deflection is little, and positioning precision is high, can ensure axiality and the perpendicularity of the thin-walled elongated workpieces after processing, and manually drive rod and back-moving spring are convenient to the handling of thin-walled elongated workpieces.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of the present invention when locating clamping thin-walled elongated workpieces;
Fig. 2 is the sectional view along A-A in Fig. 1;
Fig. 3 is the structure sectional view of the present invention when loosening clamping thin-walled elongated workpieces.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As shown in Figure 1 to Figure 3, the manual self-centering fixture of a kind of thin-walled parts, comprises axle 1, the multistage axis of cone 2, location clamping column 3, end cap 4, end face clamp nut 5, back-moving spring 6, Connection Block 8, manual actuation bar 9.
Locating dowel one end of axle 1 is provided with positioning step, axle 1 cylindrical is location cylinder, an inner bore of step is provided with in the location cylinder of axle 1, the locating dowel of axle 1 has vertically at least two group radial direction through hole, often organize radial direction through hole on the same cross section of locating dowel, be evenly equipped with three or four radial direction through hole, in radial direction through hole, activity is connected location clamping column, in the inner bore of step of axle 1, activity is connected the multistage axis of cone 2, the multistage axis of cone 2 front end is connected with the front end positioning guide hole matched in clearance of inner bore of step, between the boss of the multistage axis of cone 2 front end and inner bore of step front end step surface, the back-moving spring 6 be socketed in the multistage axis of cone 2 is housed, the multistage axis of cone 2 rear end and the end cap 4 endoporus activity be fixedly connected on locating dowel rear end are connected, the circular cone post corresponding with often organizing radial direction through hole is provided with in the middle part of the multistage axis of cone 2, each circular cone post is made up of nose circle frustum and back end cylindrical platform, the circular cone cylinder of each circular cone post contacts with the bottom of location clamping column 3 and connects, end cap 4 is provided with Connection Block 8 above, Connection Block 8 is built with manual actuation bar 9, the drive end of manual actuation bar 9 contacts with the multistage axis of cone 2 rearmost flute bottom surface and connects.
The locating dowel of axle 1 is connected with thin-walled parts 7 endoporus matched in clearance.End cap 4 cylindrical is threaded end face clamp nut 5.The multistage axis of cone 2 rearmost flute bottom surface is provided with inclined-plane, and the drive end of manual actuation bar 9 is equipped with rolling bearing, and housing washer and the multistage axis of cone 2 rearmost flute bottom surface Structure deformation.
As shown in Figure 1, when the multistage axis of cone 2 is advanced to the direction of close mandrels backend step surface under the driving of manual actuation bar 9, location clamping column 3 outward direction in the multistage axis of cone 2 moves, and the contact internal walls of its head and thin-walled parts 7 pushes against.
As shown in Figure 3, when the multistage axis of cone 2 is loosened at manual actuation bar 9, under action of reset spring, when exiting to the direction away from axle 1 rear end step end face, the location clamping column 3 in the multistage axis of cone 2 is separated with the inwall of thin-walled parts 7.
Claims (4)
1. the manual self-centering fixture of thin-walled parts, comprise axle (1), the multistage axis of cone (2), end cap (4), back-moving spring (6), it is characterized in that: locating dowel one end of described axle (1) is provided with positioning step, axle (1) cylindrical is location cylinder, an inner bore of step is provided with in the location cylinder of axle (1), the locating dowel of axle (1) has vertically at least two group radial direction through hole, often organize radial direction through hole on the same cross section of locating dowel, be evenly equipped with three or four radial direction through hole, in radial direction through hole, activity is connected and locates clamping column (3), in the inner bore of step of axle (1), activity is connected the multistage axis of cone (2), the multistage axis of cone (2) front end is connected with the front end positioning guide hole matched in clearance of inner bore of step, the back-moving spring (6) be socketed in the multistage axis of cone (2) is housed between the boss of the multistage axis of cone (2) front end and inner bore of step front end step surface, the multistage axis of cone (2) rear end and end cap (4) the endoporus activity be fixedly connected on locating dowel rear end are connected, the multistage axis of cone (2) middle part is provided with the circular cone post corresponding with often organizing radial direction through hole, each circular cone post is made up of nose circle frustum and back end cylindrical platform, the circular cone cylinder of each circular cone post contacts with the bottom of location clamping column (3) and connects, end cap (4) is provided with Connection Block (8) above, Connection Block (8) is built with manual actuation bar (9), the drive end of manual actuation bar (9) contacts with the multistage axis of cone (2) rearmost flute bottom surface and connects.
2. the manual self-centering fixture of thin-walled parts according to claim 1, is characterized in that: the locating dowel of described axle (1) is connected with thin-walled parts (7) endoporus matched in clearance.
3. the manual self-centering fixture of thin-walled parts according to claim 1, is characterized in that: described end cap (4) cylindrical is threaded end face clamp nut (5).
4. the manual self-centering fixture of thin-walled parts according to claim 1, it is characterized in that: the described multistage axis of cone (2) rearmost flute bottom surface is provided with inclined-plane, the drive end of manual actuation bar (9) is equipped with rolling bearing, and housing washer and the multistage axis of cone (2) rearmost flute bottom surface Structure deformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410063033.0A CN104858463A (en) | 2014-02-23 | 2014-02-23 | Manual self-centering clamp for thin-walled part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410063033.0A CN104858463A (en) | 2014-02-23 | 2014-02-23 | Manual self-centering clamp for thin-walled part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104858463A true CN104858463A (en) | 2015-08-26 |
Family
ID=53904872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410063033.0A Pending CN104858463A (en) | 2014-02-23 | 2014-02-23 | Manual self-centering clamp for thin-walled part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104858463A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105619114A (en) * | 2016-02-22 | 2016-06-01 | 扬州工业职业技术学院 | Curved-face self-centering clamp |
| CN105690125A (en) * | 2016-03-18 | 2016-06-22 | 烟台南山学院 | Ultrathin shaft part finish turning clamp |
| CN105728770A (en) * | 2016-03-30 | 2016-07-06 | 句容五星机械制造有限公司 | Clamp tool used for turning thin-wall cylindrical workpiece |
| CN105729197A (en) * | 2016-03-30 | 2016-07-06 | 句容五星机械制造有限公司 | Thin-wall tubular workpiece clam tool |
| CN106041150A (en) * | 2016-07-20 | 2016-10-26 | 江苏腾旋科技股份有限公司 | Outward expansion mandrel with multiple support parts |
| CN106112584A (en) * | 2016-06-30 | 2016-11-16 | 吉林大华机械制造有限公司 | Rise round compressing fixture |
| CN107877419A (en) * | 2017-12-10 | 2018-04-06 | 无锡特恒科技有限公司 | Quick clip steel ball tension mechanism |
| CN108356559A (en) * | 2018-04-04 | 2018-08-03 | 洛阳鹏起实业有限公司 | A kind of thin-wall pipe clamping tooling |
| CN108818346A (en) * | 2018-07-05 | 2018-11-16 | 郭芬 | Clamping device |
| CN111230164A (en) * | 2020-02-03 | 2020-06-05 | 大连理工大学 | Automatic internal supporting clamp for thin-wall cylindrical part and clamping method |
| CN113172562A (en) * | 2021-04-25 | 2021-07-27 | 江苏英凯电机有限公司 | Motor shell machining clamp and using method thereof |
| CN113275871A (en) * | 2021-05-11 | 2021-08-20 | 慕贝尔汽车部件（太仓）有限公司 | Spring clamp assembling device |
| CN113976934A (en) * | 2021-10-11 | 2022-01-28 | 上海韩东机械科技有限公司 | Mechanical slat type inflatable chuck |
| CN114161347A (en) * | 2021-10-20 | 2022-03-11 | 中国航发四川燃气涡轮研究院 | High-pressure compressor rotor centering fixture |
-
2014
- 2014-02-23 CN CN201410063033.0A patent/CN104858463A/en active Pending
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105619114B (en) * | 2016-02-22 | 2020-04-21 | 扬州工业职业技术学院 | Curved surface self-centering clamp |
| CN105619114A (en) * | 2016-02-22 | 2016-06-01 | 扬州工业职业技术学院 | Curved-face self-centering clamp |
| CN105690125A (en) * | 2016-03-18 | 2016-06-22 | 烟台南山学院 | Ultrathin shaft part finish turning clamp |
| CN105690125B (en) * | 2016-03-18 | 2017-06-23 | 烟台南山学院 | A kind of ultra-thin axial workpiece finishing processing fixture |
| CN105728770A (en) * | 2016-03-30 | 2016-07-06 | 句容五星机械制造有限公司 | Clamp tool used for turning thin-wall cylindrical workpiece |
| CN105729197A (en) * | 2016-03-30 | 2016-07-06 | 句容五星机械制造有限公司 | Thin-wall tubular workpiece clam tool |
| CN106112584A (en) * | 2016-06-30 | 2016-11-16 | 吉林大华机械制造有限公司 | Rise round compressing fixture |
| CN106112584B (en) * | 2016-06-30 | 2018-09-14 | 吉林大华机械制造有限公司 | Rise round compressing fixture |
| CN106041150A (en) * | 2016-07-20 | 2016-10-26 | 江苏腾旋科技股份有限公司 | Outward expansion mandrel with multiple support parts |
| CN107877419A (en) * | 2017-12-10 | 2018-04-06 | 无锡特恒科技有限公司 | Quick clip steel ball tension mechanism |
| CN108356559A (en) * | 2018-04-04 | 2018-08-03 | 洛阳鹏起实业有限公司 | A kind of thin-wall pipe clamping tooling |
| CN108818346A (en) * | 2018-07-05 | 2018-11-16 | 郭芬 | Clamping device |
| CN111230164A (en) * | 2020-02-03 | 2020-06-05 | 大连理工大学 | Automatic internal supporting clamp for thin-wall cylindrical part and clamping method |
| CN111230164B (en) * | 2020-02-03 | 2021-04-20 | 大连理工大学 | Clamping method of automatic inner supporting clamp for thin-wall cylindrical part |
| CN113172562A (en) * | 2021-04-25 | 2021-07-27 | 江苏英凯电机有限公司 | Motor shell machining clamp and using method thereof |
| CN113275871A (en) * | 2021-05-11 | 2021-08-20 | 慕贝尔汽车部件（太仓）有限公司 | Spring clamp assembling device |
| CN113275871B (en) * | 2021-05-11 | 2023-03-07 | 慕贝尔汽车部件（太仓）有限公司 | Spring clamp assembling device |
| CN113976934A (en) * | 2021-10-11 | 2022-01-28 | 上海韩东机械科技有限公司 | Mechanical slat type inflatable chuck |
| CN114161347A (en) * | 2021-10-20 | 2022-03-11 | 中国航发四川燃气涡轮研究院 | High-pressure compressor rotor centering fixture |
| CN114161347B (en) * | 2021-10-20 | 2023-09-15 | 中国航发四川燃气涡轮研究院 | High-pressure compressor rotor centering fixture |
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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: 20150826 |