CN85200354U - Rotary indexing table with differential end tooth - Google Patents
Rotary indexing table with differential end tooth Download PDFInfo
- Publication number
- CN85200354U CN85200354U CN 85200354 CN85200354U CN85200354U CN 85200354 U CN85200354 U CN 85200354U CN 85200354 CN85200354 CN 85200354 CN 85200354 U CN85200354 U CN 85200354U CN 85200354 U CN85200354 U CN 85200354U
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- China
- Prior art keywords
- fluted disc
- circular dividing
- tooth
- graduated ring
- circumference
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- 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.)
- Ceased
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- 230000000630 rising effect Effects 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract 2
- 230000009699 differential effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model relates to a graduation table for differential end teeth, which is a precise instrument for process and measurement and is used for the field of process and measurement. The utility model makes use of the differential action of two pairs of end tooth plates with different number of teeth to get a minimal graduation angle. The graduation value of graduation angles until the minimum graduation angle can be directly read out through an upper and a lower scale circles without the need of looking up a table and of an automatic control device. The utility model has the advantages of simple structure, convenient operation, simplicity and direct vision. While in operation, correct pre-engaged positions can be obtained through a pre-positioner. The operation of the clutch of an upper tooth surface and a lower tooth surface and the locking of the graduation table can be finished by the same handle.
Description
This differential end tooth circular dividing table is a kind of processing and survey tool.Be applied to be specially adapted to many kinds, small lot batch manufacture in machining and the angle detection range.
Present differential end tooth circular dividing table, its scale division value can not directly be read on graduated ring.Obtain the occurrence of calibration but adopt to table look-up by the lattice number of two graduated ring scales up and down.Complicated operation, statistical form is huge, also causes error in reading easily.For solving reading problem, U.S. Mich-gan tool Co.The differential end tooth circular dividing table that manufactures and designs has adopted automaton.But its complex structure is bulky, costs an arm and a leg, and uses inconvenience.
Present manual differential end tooth circular dividing table owing to there is not the pre-determined bit device, relies on eyes to see that graduation mark finds accurately, and eyes are tired easily.When falling looking for inaccurate, the flank of tooth of can damaging.The circular dividing table particularly many for the number of teeth, that diameter is little is just found difficulty more accurately to line.Simultaneously, the locking of circular dividing table and last fluted disc, the lifting of middle fluted disc, each is controlled with a handle, and operation inconvenience so also is easy to generate interference.
The purpose of this differential end tooth circular dividing table, claimed structure is simple, can be directly reads scale division value up to minimum minute of angle from graduated ring.In indexing operation, can find the flank engagement position accurately by feel and sound, can not damage the flank of tooth.With same lever operated go up fluted disc, the lifting of middle fluted disc and the locking of circular dividing table.Handled easily is eliminated and is interfered.
The structure of this circular dividing table is seen Fig. 1, and last fluted disc (3) and workbench (21) are connected and can rotate around axis (14).Lower tooth disk (7) is connected with base (8).Between upper and lower fluted disc, there is a middle fluted disc (6) also can rotate around axis (14).Be processed with Z above last fluted disc (3) and the middle fluted disc (6)
1The end tooth of tooth.Below middle fluted disc (6) and lower tooth disk (7) be processed with Z
2The end tooth of tooth.General Z
2=Z
1+ 1.Use, lower tooth disk (3), (7) be differential, obtains low-angle calibration.
The effect of its calibration process and each element is summarized as follows:
Can be by pulling handle (18), camshaft (11) is rotated, convex surface jack-up axis (14) in the middle of it, convex shoulder, ball (19) by axis (14), workbench (21) and the last fluted disc (3) that is fixed together with it are lifted, fluted disc (3) and middle fluted disc (6) are separated from, utilize two other symmetrical convex surface of camshaft (11), two fore-sets of jack-up (17), fore-set (17) is jack-up pallet (10) and following ball (9) again, middle fluted disc (6) is lifted, be separated from lower tooth disk (7).Under the fluted disc disengaged position, as required,, turn over the angle that needs, and then pull handle (18) by the groove of high scale circle (4) and following graduated ring (5), the fluted disc that lifts and break away from is fallen again, engagement.Middle convex surface with camshaft (11) compresses plug screw (13), makes circular dividing table locking.This has just finished the calibration process.
High scale circle (4) is connected on the fluted disc (3), and following graduated ring (5) is connected on the middle fluted disc (6).High scale circle (4) and following graduated ring (5) the held concurrently protection and the sealing of fluted disc.Be carved with altogether on high scale circle (4) and the following graduated ring (5) 3 rows or 3 rows above can directly read scale value up to minimum minute of angle.Can be that high scale circle (4) is by the tooth number Z of last fluted disc (3)
1Circumference in equal parts is carved with Z
1The bar groove, and on groove, mark the first numerical value of minute of angle.On following graduated ring (5) top, by last fluted disc (3) tooth number Z
1Circumference in equal parts is carved Z by arranging with high scale circle (4) rightabout
1Article-1, line is to wait the twice of score value in certain ruling span.Mark the mantissa value of minute of angle.In following graduated ring (5) bottom, press the tooth number Z of lower tooth disk (7)
2Circumference in equal parts is carved Z by arranging with high scale circle (4) rightabout
2Article-1, line is to wait the twice of score value in certain ruling span.Mark the mantissa value of minute of angle.Two row's ruling span broadening place of following graduated ring (5) can be the semi-circumference of counting from 0 line.When calibration, as long as the first number of requirement minute of angle is found corresponding groove on high scale circle (4), aim at graduated ring (5) top mantissa groove down with this groove, again the zero groove on the following identical mantissa in graduated ring (5) the bottom groove aligning base (8).At this moment the scale division value of circular dividing table is exactly the indicated value of head and the tail number.
In this circular dividing table, can in last fluted disc (3) and lower tooth disk (7), pre-determined bit device (2) be housed respectively as Fig. 1, in the pre-determined bit device, by the pin pinnacle in the spring handle pre-determined bit device to the middle fluted disc on the corresponding flank of tooth.When rotating, pin can judge whether the flank of tooth is aimed at by feel and sound with about the flank of tooth.
In the operation of this circular dividing table, can be by moving handle (18) by pointer (16) and position label (15), rely on feel to determine circular dividing table is that in what duty (last fluted disc (3) separates or engagement with middle fluted disc (6), separating or engagement of middle fluted disc (6) and lower tooth disk (7), circular dividing table locking).Key (12) restriction axis (14) rotates, and workbench (21) is in order to install processed or object being measured (1), and centration axis (22) is in order to centering and protection, and base (8) is the basis of circular dividing table.Pressing plate (20) is locked in order to power transmission.
This differential end tooth circular dividing table, simple in structure, can directly read scale division value by upper and lower two graduated rings (4), (5) up to minimum minute of angle.Can rely on feel and sound to judge whether to find accurately the flank engagement position, when locking, can not damage the flank of tooth.By in a handle (18) operation, middle fluted disc (3), the lifting of (6) and the locking of circular dividing table, handled easily is eliminated and is interfered.
The tooth number Z of fluted disc on this circular dividing table (3)
1Can be 720, the tooth number Z of lower tooth disk (7)
2Can be 721.At this moment, the independent minimum minute of angle that uses of last fluted disc (3) is 0.5 °.First number is 0.5 ° a multiple numerical value.Differential by last, middle fluted disc (3), (6), minimum division angle alpha=360 °/720 * 721 ≈ 2.5 ".Mantissa be less than 0.5 ° 2.5 " multiple numerical value.The angle that circular dividing table can divide is 2.5 " multiple numerical value.High scale circle (4) is carved 720 lines by 720 circumference in equal parts.Can one is long and the other is short arrange.Can prolong groove every 10 lattice (5 bar long line), and order marks 0 ° on extended line, 5 °, 10 ° ... 350 °, 355 °.See Fig. 2.On following graduated ring (5) top, by 720 circumference in equal parts.Arrange 719 lines at quarter in the other direction with high scale circle (4) scale.Can one is long and the other is short arrange, can be when carving the 361st line, broadening is for waiting twice of score value at interval.Can prolong groove every 6 lattice (3 bar long line) also marks at an upper portion thereof in proper order; 0,15 ", 30 ", 45 ", 1 ', 15 " ... 29 ', 15 ", 30 ", 45 ".By 721 circumference in equal parts, arrange 720 lines at quarter in the other direction in following graduated ring (5) bottom with high scale circle (4) scale.Can arrange by one is long and the other is short, when carving the 361st line, line broadening at interval is the twice that waits score value.Can prolong groove and mark 0,15 every 6 lattice (3 bar long line) last ", 30 ", 45 ", 1 ', 15 " ... 29 ', 15 ", 30 ", 45 ".See Fig. 3.
Pre-determined bit device (2) can be, in last fluted disc (3) and lower tooth disk (7) outside, each processes a screwed hole, in to adorn one one end be conical pin.Be pressed in the pin bottom with spring, they be enclosed in the hole with a short double-screw bolt.Pin circular cone one end pushes up on the flank of tooth of extension of middle fluted disc (6).At this moment, when last fluted disc (3) and lower tooth disk (7) relative in fluted disc (6) when rotating, the pin of pre-determined bit device (2) will move up and down.
Claims (5)
1, a kind of differential end tooth calibration closes, it has base (8), lower tooth disk (7), middle fluted disc (6), last fluted disc (3), high scale circle (4), following graduated ring (5), axis (14), workbench (21), have three rows on high scale circle (4) and the following graduated ring (5) or can directly read the scale of scale division value more than three rows, it is characterized in that: high scale circle (4) is by the tooth number Z of last fluted disc (3)
1Circumference in equal parts is carved Z
1Bar groove, correspondence mark the first numerical value of respective angles, the tooth number Z on following graduated ring (5) top by last fluted disc (3)
1Circumference in equal parts is carved Z
1Article-1, groove, in certain, the spacing broadening of line is Z
1Deng the twice of score value, correspondence marks the mantissa value of respective angles on groove, presses the tooth number Z of lower tooth disk (7) in following graduated ring (5) bottom
2Circumference in equal parts is carved Z
2Article-1, groove, in certain, between line distance wide be Z
2Deng the twice of score value, the corresponding mantissa value that marks respective angles on groove.
2, circular dividing table as claimed in claim 1 is characterized in that: following graduated ring (5) top ruling span broadening place is the semi-circumference of counting from 0 scale, and following graduated ring (5) bottom ruling span broadening place is the semi-circumference of counting from 0 scale.
3, as claim 1 or 2 described circular dividing tables, it is characterized in that: on last fluted disc (3) and lower tooth disk (7), pre-determined bit device (2) is housed respectively, at the corresponding flank of tooth in middle fluted disc (6) corresponding position.
4, as claim 1 or 2 described circular dividing tables, it is characterized in that: camshaft (11) is housed, has at least two to correspond respectively to the convex surface that the lifting and the circular dividing table locking of the lifting of fluted disc (3), middle fluted disc (6) are gone up in operation on it.
5, circular dividing table as claimed in claim 3 is characterized in that: camshaft (11) is housed, has at least two to correspond respectively to the convex surface that rising and falling of the rising and falling of fluted disc (3), middle fluted disc (6) and circular dividing table locking are gone up in operation on it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85200354 CN85200354U (en) | 1985-04-01 | 1985-04-01 | Rotary indexing table with differential end tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85200354 CN85200354U (en) | 1985-04-01 | 1985-04-01 | Rotary indexing table with differential end tooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85200354U true CN85200354U (en) | 1985-11-10 |
Family
ID=4796719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85200354 Ceased CN85200354U (en) | 1985-04-01 | 1985-04-01 | Rotary indexing table with differential end tooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85200354U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101966663A (en) * | 2010-08-18 | 2011-02-09 | 武汉重型机床集团有限公司 | Axis indexing and positioning structure |
| CN104029080A (en) * | 2014-05-28 | 2014-09-10 | 苏州柏德纳科技有限公司 | Rotary table end-toothed disc dividing apparatus |
| CN105215787A (en) * | 2015-09-07 | 2016-01-06 | 成都飞机工业（集团）有限责任公司 | Calibration positioning tool turntable |
| CN106312561A (en) * | 2016-09-29 | 2017-01-11 | 宁波城市职业技术学院 | Fixture for machining pin wheel hole of pin wheel housing |
| CN106625018A (en) * | 2016-12-10 | 2017-05-10 | 保定向阳航空精密机械有限公司 | Machine tool dividing device |
| CN109000923A (en) * | 2018-06-21 | 2018-12-14 | 东南大学 | A kind of test device and test method of servo saddle end-toothed disc contact-ratio |
-
1985
- 1985-04-01 CN CN 85200354 patent/CN85200354U/en not_active Ceased
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101966663A (en) * | 2010-08-18 | 2011-02-09 | 武汉重型机床集团有限公司 | Axis indexing and positioning structure |
| CN101966663B (en) * | 2010-08-18 | 2013-09-04 | 武汉重型机床集团有限公司 | Axis indexing and positioning structure |
| CN104029080A (en) * | 2014-05-28 | 2014-09-10 | 苏州柏德纳科技有限公司 | Rotary table end-toothed disc dividing apparatus |
| CN105215787A (en) * | 2015-09-07 | 2016-01-06 | 成都飞机工业（集团）有限责任公司 | Calibration positioning tool turntable |
| CN106312561A (en) * | 2016-09-29 | 2017-01-11 | 宁波城市职业技术学院 | Fixture for machining pin wheel hole of pin wheel housing |
| CN106625018A (en) * | 2016-12-10 | 2017-05-10 | 保定向阳航空精密机械有限公司 | Machine tool dividing device |
| CN109000923A (en) * | 2018-06-21 | 2018-12-14 | 东南大学 | A kind of test device and test method of servo saddle end-toothed disc contact-ratio |
| CN109000923B (en) * | 2018-06-21 | 2020-07-21 | 东南大学 | Device and method for testing meshing rate of end-toothed disc of servo tool rest |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CE01 | Termination of patent right | ||
| CE01 | Termination of patent right |