CN2912905Y - Rotary graduations positioning mechanism for rotating table - Google Patents
Rotary graduations positioning mechanism for rotating table Download PDFInfo
- Publication number
- CN2912905Y CN2912905Y CN 200620071924 CN200620071924U CN2912905Y CN 2912905 Y CN2912905 Y CN 2912905Y CN 200620071924 CN200620071924 CN 200620071924 CN 200620071924 U CN200620071924 U CN 200620071924U CN 2912905 Y CN2912905 Y CN 2912905Y
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- CN
- China
- Prior art keywords
- wedge ring
- steel ball
- internal
- rotary
- pressing plate
- 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 - Lifetime
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Abstract
The utility model relates to a rotary indexing positioning mechanism of a rotary work table, which includes an internal wedge ring, an external wedge ring, a steel ball, a pressing plate and a cage. The external wedge ring can rotate relevantly to the internal wedge ring along with the table body; the external periphery of the internal wedge ring and the internal periphery of the external wedge ring are relevantly positioned; the cage is provided with a flange sleeve which is provided with the steel ball. The utility model has the advantages of that the cage and the flange sleeve drive the steel ball permanently hanging in the upper ends of the internal wedge ring and external wedge ring and the steel ball does not contact with the internal wedge ring and external wedge ring when the external wedge ring rotates relevantly to the internal wedge ring and the pressing plate during the rotary indexing process; only when positioned and pressed, the steel ball can drop back into the concave troughs of the internal wedge ring and external wedge ring, so the abrasion of the internal edge ring and external wedge ring is largely reduced, the positioning precision and the consistence of the rotary work table are improved and no collision noise of 'adakada' produced by the steel ball exists during the rotary process.
Description
Technical field
The utility model relates to a kind of indexing-positioning mechanism for rotary that turns round the rotary table, particularly a kind of rotary table of the use of class multi-station machine tool.
Background technology
Rotary table is the indexing means of revolution class multi-station machine tool.During work, workpiece is installed on the table surface by anchor clamps, realizes the circular index location, thus the processing component that makes each station of lathe at a high speed, stable, finish the manufacturing procedure of each face of workpiece exactly.In one week of work table rotation, can finish the different manufacturing procedures of workpiece on lathe.The application of rotary table has production efficiency height, automaticity height, saves the lay day, saves advantages such as artificial, that floor space is little, is widely used in the lathe and the production line of industrial enterprise.
The applicant has applied for a kind of patent application that is called " rotary table " on August 11st, 2005 to State Intellectual Property Office, and its number of patent application is: 2005100912412 and 2005201048574.Disclose a kind of dividing and positioning mechanism of rotary table in this patent application, it is made of inside and outside wedge ring, steel ball, retainer and pressing plate, and outer wedge ring can rotate relative to internal wedge ring with stage body, and inside and outside wedge ring is provided with can involutory in opposite directions groove.Retainer is fixed on the interior contract ring.Steel ball is placed in the hole of retainer versatilely, is gripped on by retainer in the groove of inside and outside wedge ring, and can compresses steel ball by pressing plate and make inside and outside wedge ring relative positioning.Retainer is provided with enough big gap, makes steel ball can extrude groove in outer wedge ring revolution-calibration location process and rolls on inside and outside wedge ring.When table positions, the groove of inside and outside wedge ring is involutory, and steel ball falls within the groove of inside and outside wedge ring, is compressed by pressing plate again; When the workbench calibration rotated, pressing plate lifted, and steel ball is extruded groove by outer wedge ring, rolled on inside and outside wedge ring, so that relocated when arriving next groove.In the process of whole location-calibration-relocate, steel ball contacts with inside and outside wedge ring all the time, and rolls thereon and move up and down.Because of this structure obviously has deficiency:
(1), steel ball and inside and outside wedge ring are easy to wear.No matter during in calibration or location, steel ball contacts with inside and outside wedge ring all the time.During calibration, outer wedge ring rotates relative to internal wedge ring and pressing plate, revolution moves a station, the groove of inside and outside wedge ring will be once involutory again, all steel balls all can fall back in the groove of inside and outside wedge ring again, and then be squeezed out groove again, rolling under the outer wedge ring extruding moves ahead, and so circulation endlessly.Workbench and outer wedge ring return and circle, and groove such as the so much number of times of steel ball number will be extruded-be dropped into to steel ball.Like this, can aggravate the wearing and tearing of inside and outside wedge ring groove and steel ball, influence the positioning accuracy and the retentivity thereof of rotary table.
(2), noise is big.In the circular index process, the invar ball contacts with inside and outside wedge ring all the time, and steel ball is extruded in groove continually again-dropped into, and causes being accompanied by all the time in the turning course steel-ball collision sound of " clatter of click clatter click ".
Summary of the invention
Technical problem to be solved in the utility model is, overcomes above-mentioned the deficiencies in the prior art, and a kind of indexing-positioning mechanism for rotary of the little rotary table of little, hot-tempered sound that weares and teares is provided.
Technical solution of the present utility model is, comprises internal wedge ring, outer wedge ring, steel ball, pressing plate and retainer, and outer wedge ring can rotate relative to internal wedge ring with stage body, and being respectively equipped with on the neighboring of internal wedge ring and the inner rim of outer wedge ring can involutory in opposite directions groove; Pressing plate is located at the upside of steel ball, and pressing plate can be pressed on steel ball in the groove of inside and outside wedge ring, makes inside and outside wedge ring relative positioning; Retainer is fixed on the pressing plate; It is characterized in that: retainer is provided with the flange cover, and steel ball is placed in the flange cover.
The lower port diameter of flange cover is less than steel ball size.
The flange cover is connected on the pressing plate by retainer.
Retainer is provided with the flange hole that can put the flange cover, and the flange cover is placed in the flange hole, leaves the gap that can make flange cover and steel ball movable flexibly between flange cover and the flange hole.
The advantage that the utility model is compared with prior art had is:
(1), in the rotating process of workbench calibration, outer wedge ring is when internal wedge ring and pressing plate rotate, pressing plate drives the upper end that steel ball is suspended from inside and outside wedge ring all the time by retainer and flange cover, and do not touch inside and outside wedge ring, when only compressing in the location, steel ball just falls back in the groove of inside and outside wedge ring, like this, alleviate the wearing and tearing of inside and outside wedge ring greatly, improved the positioning accuracy and the retentivity of rotary table.
(2), owing in turning course, there has not been the collision of steel ball and inside and outside wedge ring, therefore, do not have the steel-ball collision sound of " clatter of click clatter click " during revolution yet.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing of Fig. 1.
Number in the figure: 1-pressing plate, the 2-stage body of working, 3-flange cover, 4-outer wedge ring, 5-internal wedge ring, 6-steel ball, 7-retainer.
Specific implementation method
Below in conjunction with accompanying drawing the utility model embodiment is described in further detail:
Present embodiment is made of internal wedge ring 5, outer wedge ring 4, steel ball 6, pressing plate 1, retainer 7 and flange cover 3.Outer wedge ring 4 can rotate 5 relative to internal wedge ring with stage body 2, and being respectively equipped with on the inner rim of the neighboring of internal wedge ring 5 and outer wedge ring 4 can involutory in opposite directions groove.Pressing plate 1 is located at the upside of steel ball 6, and pressing plate 1 can be pressed on steel ball 6 in the groove of inside and outside wedge ring 5,4, makes inside and outside wedge ring 5,4 relative positionings.Retainer 7 is fixed on the pressing plate 1.Retainer 7 is provided with flange cover 3, and steel ball 6 is placed in the flange cover 3.
In order to make steel ball 6 play motion with follow one in flange cover 3, the lower port diameter of flange cover 3 is less than steel ball 6 diameters.
When the workbench calibration turns round, pressing plate 1 upwards lifts, upwards lift by retainer 7 and the flange cover 3 drive steel balls 6 that are fixed on the pressing plate 1 simultaneously, workbench stage body 2 drives outer wedge ring 4 and turns to next station, pressing plate 1 moves downward, steel ball 6 is pressed in the groove of inside and outside wedge ring 5,4, realizes that the location of workbench stage body 2 compresses.The week and endlessly, finish the calibration positioning function.In this calibration process, flange cover 3 and steel ball 6 hang from inside and outside wedge ring 5,4, do not contact with it all the time, have reduced the wearing and tearing of part, have eliminated the impact sound of steel ball 6 " clatter of click clatter click ".
Claims (4)
1, the indexing-positioning mechanism for rotary of rotary table comprises internal wedge ring, outer wedge ring, steel ball, pressing plate and retainer, and outer wedge ring can rotate relative to internal wedge ring with stage body, and being respectively equipped with on the neighboring of internal wedge ring and the inner rim of outer wedge ring can involutory in opposite directions groove; The upside of steel ball is provided with the pressing plate that steel ball can be pressed in the inside and outside wedge ring groove; Retainer is fixed on the pressing plate; It is characterized in that: retainer is provided with the flange cover, and steel ball is placed in the flange cover.
2, the indexing-positioning mechanism for rotary of rotary table as claimed in claim 1 is characterized in that: the lower port diameter of flange cover is less than steel ball size.
3, the indexing-positioning mechanism for rotary of rotary table as claimed in claim 1 or 2 is characterized in that: the flange cover is connected on the pressing plate by retainer.
4, the indexing-positioning mechanism for rotary of rotary table as claimed in claim 1 or 2, it is characterized in that: retainer is provided with the flange hole that can put the flange cover, the flange cover is placed in the flange hole, leaves the gap that can make flange cover and steel ball movable flexibly between flange cover and the flange hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620071924 CN2912905Y (en) | 2006-05-29 | 2006-05-29 | Rotary graduations positioning mechanism for rotating table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620071924 CN2912905Y (en) | 2006-05-29 | 2006-05-29 | Rotary graduations positioning mechanism for rotating table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2912905Y true CN2912905Y (en) | 2007-06-20 |
Family
ID=38167505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620071924 Expired - Lifetime CN2912905Y (en) | 2006-05-29 | 2006-05-29 | Rotary graduations positioning mechanism for rotating table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2912905Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100391692C (en) * | 2006-05-29 | 2008-06-04 | 江苏恒力组合机床有限公司 | Rotary indexing-positioning mechanism for rotary working table |
| CN101556467B (en) * | 2008-04-08 | 2012-06-13 | 深圳富泰宏精密工业有限公司 | System and method for preventing machine station from overshoot |
-
2006
- 2006-05-29 CN CN 200620071924 patent/CN2912905Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100391692C (en) * | 2006-05-29 | 2008-06-04 | 江苏恒力组合机床有限公司 | Rotary indexing-positioning mechanism for rotary working table |
| CN101556467B (en) * | 2008-04-08 | 2012-06-13 | 深圳富泰宏精密工业有限公司 | System and method for preventing machine station from overshoot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080604 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |