CN2907981Y - Symmetry clamping apparatus for clamping symmetrical flange workpiece - Google Patents
Symmetry clamping apparatus for clamping symmetrical flange workpiece Download PDFInfo
- Publication number
- CN2907981Y CN2907981Y CN 200620110675 CN200620110675U CN2907981Y CN 2907981 Y CN2907981 Y CN 2907981Y CN 200620110675 CN200620110675 CN 200620110675 CN 200620110675 U CN200620110675 U CN 200620110675U CN 2907981 Y CN2907981 Y CN 2907981Y
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- China
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- workpiece
- flange
- locating surface
- location
- held
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- Expired - Fee Related
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Abstract
The utility model discloses a symmetry clamp for symmetric flange workpiece, which comprises a three-jaw flange plate of a fluted disc feeding clamp. Each jaw of the three-jaw flange plate is fixed and connected with a clamp block with the molded face, which is used to allocate the workpiece. Among three clamp blocks, one is the clamp block with the molded face fixed by one side of the clamp workpiece, and the other two arranged symmetrically are respectively the clamp blocks with the molded face fixed by two directions of the clamp workpiece. Cuts are arranged on the three clamp blocks, which is directing to the gyration center of the flange plate. The cut of one clamp block is provided with a positioning surface for one side of the workpiece inside, and cuts of the other two clamp blocks are provided with positioning surfaces for another two sides of the workpiece inside. All corners of the cuts of the clamp blocks are provided with grooves to yield the flange of the workpiece, displacement space remains among the three clamp blocks with molded surfaces. The utility model assures the automatic precise centration when clamping the workpiece with the flange, and the service life of which is long.
Description
Technical field
The utility model relates to a kind of clamping device of machining, particularly a kind of symmetry anchor clamps of clamping symmetry flange workpiece.
Background technology
Traditional self-centering symmetry anchor clamps of lathe are that screw mechanism feeding simultaneously by a pair of left-handed and dextrorotation on the anchor clamps pressing plate is with Work-sheet pressing and locate the centering center.There are big gap in the location of this mechanism and cover to the position, and pressing plate is easily swung during the location, and the workpiece location is unreliable, and the symmetry machining accuracy is low; And the screw thread feeding and the detent mechanism of traditional self-centering symmetry anchor clamps are easy to wear, in case after the wearing and tearing, anchor clamps just can not be realized accurate centering, common one pair of anchor clamps can only be processed 6～8,000 workpiece, and the rehabilitation cost height after the anchor clamps damage.Simultaneously, when traditional self-centering symmetry anchor clamps are installed, symmetrical precision debug difficulties, anchor clamps counterweight difficulty, anchor clamps are difficult for balance, displacement easily, the ovality of processing is big, the workpiece quality instability of processing.
Summary of the invention
The purpose of this utility model provides a kind of symmetry anchor clamps of clamping symmetry flange workpiece, and the automatic centering when it can guarantee clamping symmetry flange workpiece is accurate, and long service life.
The purpose of this utility model is achieved in that the three-jaw ring flange that comprises fluted disc feeding clamping, it is characterized in that: the fixedly connected separately grip block that is provided with profile that is used for the symmetrical flange workpiece location that is held of three pawls of described three-jaw ring flange, in the grip block that three are provided with profile, one is to being held the profile grip block of workpiece one side location, two other is symmetrical arranged, be respectively being held the profile grip block of workpiece two sides location, be respectively equipped with the breach of opening on three profile grip blocks towards the three-jaw ring flange centre of gyration, be provided with in one of them breach and be used for locating surface that workpiece one side is located the profile grip block that is held workpiece one side location, be equipped with in two other breach and be used for locating surface that adjacent two sides of workpiece are located the profile grip block that is held workpiece two sides location, the corner of breach is equipped with the groove that is used to the workpiece flange to step down on all profile grip blocks, leaves displacement space between three profile grip blocks.
Owing to adopted such scheme, a fixedly connected separately grip block that is provided with profile that is used for the symmetrical flange workpiece location that is held on three pawls of the three-jaw ring flange of fluted disc feeding clamping, three pawls feedings simultaneously of the three-jaw ring flange by fluted disc feeding clamping, drive is provided with the grip block of profile synchronously to the displacement of the ring flange centre of gyration, and the symmetrical flange workpiece that is held is clamped.Be respectively equipped with the breach of opening on three profile grip blocks towards the three-jaw ring flange centre of gyration, be provided with in one of them breach and be used for locating surface that workpiece one side is located the profile grip block that is held workpiece one side location, be equipped with in two other symmetrically arranged breach to the profile grip block that is held workpiece two sides location respectively and be used for locating surface that adjacent two sides of workpiece are located, form the clamp position in three-jaw feeding folder four directions thus, the three-jaw that makes ring flange is when feeding is tightened up, form location, the four directions of symmetrical flange workpiece by the locating surface in the breach on three profile grip blocks, make workpiece centre concentric with the centre of gyration of three-jaw ring flange.Because of the corner of breach on all profile grip blocks is equipped with the groove that is used to the workpiece flange to step down, the locating surface in the former breach that makes on the profile grip block and the portion of being held of symmetrical flange workpiece fit closely, again because symmetrical flange workpiece is located clamping by these anchor clamps four directions, so workpiece adds and can not produce displacement man-hour, and three pawls are divided equally 360 degree and are arranged on the ring flange, the balance of anchor clamps is guaranteed, so can guarantee the machining accuracy of workpiece.These anchor clamps adopt fluted disc feeding clamping and profile clamping location, and its feeding and detent mechanism can both guarantee that precision is reliable, and improve 10 times or more than traditional self-centering symmetry anchor clamps service life.
The utility model is simple in structure, and cost of manufacture is low.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is a structure diagram of the present utility model;
Fig. 2 is that the A of Fig. 1 is to view.
In the accompanying drawing, 1 is the three-jaw ring flange, and 2 is pawl, and 3 is the profile grip block of side location, and 4 is the profile grip block of two sides location, and 5 is locating surface, and 6 is locating surface, and 7 is locating surface, and 8 is groove, and 9 is workpiece.
The specific embodiment
Referring to Fig. 1, Fig. 2, three pawls 2 of three-jaw ring flange 1 one ends of the fluted disc feeding clamping of these anchor clamps are divided equally 360 degree and are arranged on the ring flange, and the other end is provided with the screw thread that is connected with lathe spindle.Three pawls 2 of three-jaw ring flange 1 weld a grip block that is provided with profile that is used for the symmetrical flange workpiece location that is held separately.In the grip block that three are provided with profile, one is to being held the profile grip block 3 of workpiece one side location, two other is respectively being held the profile grip block 4 of adjacent two sides of workpiece location, two are symmetrical arranged the profile grip block 4 that is held adjacent two sides of workpiece location, and an end are arranged with adjacent to being held the profile grip block 3 that workpiece one side locatees respectively.Be respectively equipped with the breach of opening on three profile grip blocks towards three-jaw ring flange 1 centre of gyration, the corner of breach is equipped with the arc groove 8 that is used to the workpiece flange to step down on all profile grip blocks, the workpiece flange can be put in the arc groove 8, do not influence clamping workpiece.Be provided with in three profile grip blocks one breach and be used for locating surface 5 that workpiece one side is located the profile grip block 3 that is held workpiece one side location, this breach is a concave indentation, the mouth of concave indentation is the locating surface 5 that is used for workpiece one side location the end, the flange length of side of the workpiece 9 that mouthful is wider than that right be held of this concave indentation; Two other breach to the profile grip block 4 that is held workpiece two sides location is the right angle breach, two right-angle sides of its right angle breach are the locating surface 6,7 that is used for adjacent two sides of workpiece location, one of them locating surface 6 is parallel to the locating surface 5 that is used for workpiece one side location, and another locating surface 7 is perpendicular to the locating surface 5 that is used for workpiece one side location.Two right-angle sides of described right angle breach, wherein locating surface 6 is parallel to and is used for that right be held 1/2nd of the workpiece length of side less than this limit to a right-angle side length of the locating surface 5 of workpiece one side location, right be held the workpiece length of side to locating surface 7 less than this limit to a right-angle side length of the locating surface of workpiece one side location perpendicular to being used for, and, make between three profile grip blocks and leave displacement space greater than 1/2nd of this length of side.Locating surface on three profile grip blocks in the breach constitutes the location, four directions, tightens up under the drive in three pawl 2 feedings of the three-jaw ring flange 1 of fluted disc feeding clamping, forms the clampings to location, workpiece 9 four directions.
During use, three-jaw ring flange 1 one ends of fluted disc feeding clamping are connected with lathe spindle by internal thread, processed symmetrical flange workpiece is positioned on three melons 2 of three-jaw ring flange 1 other end of fluted disc feeding clamping separately between the breach of the grip block that is provided with profile of welding, make three pawls 2 drive three profile grip blocks simultaneously respectively by the fluted disc feeding, the workpiece automatic centering is clamped to the same moved further of the ring flange centre of gyration.
It is the clamping of the workpiece of rectangle that the utility model is equally applicable to non-lipped clamping part.
Claims (5)
1. the symmetry anchor clamps of clamping symmetry flange workpiece, the three-jaw ring flange (1) that comprises fluted disc feeding clamping, it is characterized in that: the fixedly connected separately grip block that is provided with profile that is used for the symmetrical flange workpiece location that is held of three pawls of described three-jaw ring flange (1), in the grip block that three are provided with profile, one is to being held the profile grip block (3) of workpiece one side location, two other is symmetrical arranged, be respectively being held the profile grip block (4) of workpiece two sides location, be respectively equipped with the breach of opening on three profile grip blocks towards three-jaw ring flange (1) centre of gyration, be provided with in one of them breach and be used for locating surface (5) that workpiece one side is located the profile grip block (3) that is held workpiece one side location, be equipped with in two other breach and be used for locating surface (6 that adjacent two sides of workpiece are located the profile grip block (4) that is held workpiece two sides location, 7), the corner of breach is equipped with the groove (8) that is used to the workpiece flange to step down on all profile grip blocks, leaves displacement space between three profile grip blocks.
2. the symmetry anchor clamps of clamping symmetry flange workpiece according to claim 1, it is characterized in that: described breach to the profile grip block (3) that is held workpiece one side location is a concave indentation, the mouth of concave indentation is the locating surface (5) that is used for workpiece one side location the end, the length of side of the workpiece that mouthful is wider than that right be held of this concave indentation.
3. the symmetry anchor clamps of clamping symmetry flange workpiece according to claim 1, it is characterized in that: described breach to the profile grip block (4) that is held workpiece two sides location is the right angle breach, two right-angle sides of right angle breach are the locating surface (6,7) that is used for adjacent two sides of workpiece location, one of them locating surface (6) is parallel to the locating surface (5) that is used for workpiece one side location, and another locating surface (7) is perpendicular to the locating surface (5) that is used for workpiece one side location.
4. the symmetry anchor clamps of clamping symmetry flange workpiece according to claim 3, it is characterized in that: two right-angle sides of described right angle breach, wherein locating surface (6) is parallel to and is used for that right be held 1/2nd of the workpiece length of side less than this limit to a right-angle side length of the locating surface of workpiece one side location, right be held the workpiece length of side to locating surface (7) less than this limit to a right-angle side length of the locating surface of workpiece one side location perpendicular to being used for, and greater than 1/2nd of this length of side.
5. the symmetry anchor clamps of clamping symmetry flange workpiece according to claim 1 is characterized in that: three pawls (2) of the three-jaw ring flange (1) of described fluted disc feeding clamping are divided equally 360 degree and are arranged on the ring flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620110675 CN2907981Y (en) | 2006-05-26 | 2006-05-26 | Symmetry clamping apparatus for clamping symmetrical flange workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620110675 CN2907981Y (en) | 2006-05-26 | 2006-05-26 | Symmetry clamping apparatus for clamping symmetrical flange workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2907981Y true CN2907981Y (en) | 2007-06-06 |
Family
ID=38127192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620110675 Expired - Fee Related CN2907981Y (en) | 2006-05-26 | 2006-05-26 | Symmetry clamping apparatus for clamping symmetrical flange workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2907981Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649235A (en) * | 2012-04-28 | 2012-08-29 | 苏州金牛精密机械有限公司 | Lathe clamp applicable to squared flange |
| CN108788858A (en) * | 2018-07-23 | 2018-11-13 | 北京北方车辆集团有限公司 | It is a kind of applied to the tooling of irregular part turnery processing and the manufacturing method of tooling |
| CN109057371A (en) * | 2018-08-30 | 2018-12-21 | 重庆水利电力职业技术学院 | Decorative panel installs alignment device |
| CN114308462A (en) * | 2021-12-17 | 2022-04-12 | 东风柳州汽车有限公司 | Car D post apron spraying supports frock |
-
2006
- 2006-05-26 CN CN 200620110675 patent/CN2907981Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649235A (en) * | 2012-04-28 | 2012-08-29 | 苏州金牛精密机械有限公司 | Lathe clamp applicable to squared flange |
| CN108788858A (en) * | 2018-07-23 | 2018-11-13 | 北京北方车辆集团有限公司 | It is a kind of applied to the tooling of irregular part turnery processing and the manufacturing method of tooling |
| CN109057371A (en) * | 2018-08-30 | 2018-12-21 | 重庆水利电力职业技术学院 | Decorative panel installs alignment device |
| CN109057371B (en) * | 2018-08-30 | 2020-06-30 | 重庆水利电力职业技术学院 | Decorative board installation aligning device |
| CN114308462A (en) * | 2021-12-17 | 2022-04-12 | 东风柳州汽车有限公司 | Car D post apron spraying supports frock |
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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: 20070606 Termination date: 20110526 |