CN1907645A - Horizontal thin type numeral control panoramic table for point gearing cambered surface cam mechanism - Google Patents
Horizontal thin type numeral control panoramic table for point gearing cambered surface cam mechanism Download PDFInfo
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- CN1907645A CN1907645A CN 200610104495 CN200610104495A CN1907645A CN 1907645 A CN1907645 A CN 1907645A CN 200610104495 CN200610104495 CN 200610104495 CN 200610104495 A CN200610104495 A CN 200610104495A CN 1907645 A CN1907645 A CN 1907645A
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- base
- cambered surface
- cam mechanism
- horizontal thin
- thin type
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Abstract
The invention relates to a digit-control rotation cam of horizontal thin point mesh arc cam, wherein it comprises a base 6, and a rotation axle with bearing; the rotation axle via the bearing is arranged on the base; the base also has a rotation disc connected to the rotation axle; the outer side of rotation disc has a taper roller meshed with the arc cam inside the base. The invention uses controllable mesh contact; when the profile of taper roller and the profile of arc cam rotate, the adaptive ability of device on the position error and shape error can be improved; the invention has long service life, high positioning accuracy and simple process.
Description
Technical field
The present invention relates to the cambered surface cam mechanism numerical control turntable that a kind of Digit Control Machine Tool is used, be specifically related to a kind of horizontal thin type numeral control panoramic table for point gearing cambered surface cam mechanism.
Background technology
Traditional numerical control table, NC table adopts the cambered surface cam mechanism of worm-and-wheel gear or line engagement, adopt the NC rotary table of worm-and-wheel gear, except that worm-and-wheel gear is made drive unit, also need independent panoramic table slewing equipment, complex structure, thickness is higher, makes the size of processing work be restricted; The cambered surface cam mechanism of line engagement is improved on this basis, but wherein is sliding friction, and wearing and tearing are big, influenced the service life of workbench greatly, and positioning accuracy is not high.
Summary of the invention
The objective of the invention is to overcome the shortcoming of above-mentioned prior art, a kind of simple in structure, long service life, positioning accuracy height are provided, not limited by the roller number, but pretension, the crack that disappears is convenient, the horizontal thin type numeral control panoramic table for point gearing cambered surface cam mechanism that bearing capacity is high.
For achieving the above object, the technical solution used in the present invention is: the transposition axle that comprises base and have bearing, the transposition axle is arranged on the base by bearing, be characterized in, on base, also be provided with the index plate that is connected with the transposition axle, index plate the bottom press the uniform ball of radial radiation awl roller, this ball awl roller globoid cam interior with being arranged on base is meshed.
Also offer an incomplete female cone table top on the base of the present invention, ball awl roller is arranged on this female cone table top, and the female cone table top disconnects at globoid cam and ball awl roller position engaged; The lower end of transposition axle also is provided with locking nut, and also is provided with the baffle plate of sealing transposition axle in the lower end of base.
The present invention adopts controllable spot engagement contact, and the wide face of ball awl roller and globoid cam exterior feature face can improve the adaptive capacity of mechanism to position sum of errors form error when no sideshake transmission.Point gearing ball awl roller cambered surface cam mechanism is realized at a high speed and high-precision requirement easily, long service life, positioning accuracy height, manufacturing process is simple, and require relatively low to processing and assembly precision, transposition accurately, is not subjected to the restriction of roller quantity, but pretension is eliminated the gap conveniently, the bearing capacity height, temperature rise is low.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and operation principle are described in further detail.
Referring to Fig. 1,2, the transposition axle 3 that the present invention includes base 6 and have bearing 4, transposition axle 3 is arranged on the base 6 by bearing 4, be provided with the locking nut 7 that plays the pretension effect in the lower end of transposition axle 3, and also be provided with the baffle plate 8 of sealing transposition axle 3 in the lower end of base 6, base 6 is provided with the index plate 2 that is connected with transposition axle 3, the uniform ball awl roller 1 of radial radiation is pressed in the bottom of index plate 2, globoid cam 5 in this ball is bored roller 1 and is arranged on base 6 is meshed, also offer an incomplete female cone table top 9 on the base 6, ball awl roller 1 is arranged on this female cone table top 9, female cone table top 9 disconnects bearing 4 in globoid cam 5 and ball awl roller 1 position engaged, the supporting form that ball awl roller 1 and circular cone table top 9 constitute together.
The course of work of the present invention is as follows: rotated by driven by servomotor globoid cam 5, the point gearing mode by globoid cam 5 and ball awl roller 1 drives index plate 2 and does gyration.
The present invention adopts ball awl roller and globoid cam point gearing mode, has enlarged the calibration scope of mechanism, can carry out pre-control to this rotary table with point gearing mechanism.After realizing point gearing, replaced worm-and-wheel gear, and reduced the sliding friction between its conjugate planes, approximate realization rolling transmission.Used female cone table top is an incomplete female cone table top, disconnects at cam and roller position engaged, has constituted a kind of specific rolling guide form.Except just boring roller with the ball of globoid cam engagement, make all the other balls awl rollers on a female cone table top guide rail, roll, support table is done gyration.Utilize cooperating of ball awl roller and female cone table top guide rail, realized the spacing of workbench, this structure decrease the use of bearing, dwindled axial dimension.The curved surface form of ball awl roller is to design especially according to point gearing needs and performance requirement.
Claims (3)
1, a kind of horizontal thin type numeral control panoramic table for point gearing cambered surface cam mechanism, the transposition axle (3) that comprises base (6) and have bearing (4), transposition axle (3) is arranged on the base (6) by bearing (4), it is characterized in that: on base (6), also be provided with the index plate (2) that is connected with transposition axle (3), the uniform ball awl roller (1) of radial radiation is pressed in the bottom of index plate (2), and this ball awl roller (1) globoid cam (5) interior with being arranged on base (6) is meshed.
2, horizontal thin type numeral control panoramic table for point gearing cambered surface cam mechanism according to claim 1, it is characterized in that: also offer an incomplete female cone table top (9) on the said base (6), ball awl roller (1) is arranged on this female cone table top (9), and female cone table top (9) disconnects in globoid cam (5) and ball awl roller (1) position engaged.
3, horizontal thin type numeral control panoramic table for point gearing cambered surface cam mechanism according to claim 1, it is characterized in that: the lower end of said transposition axle (3) also is provided with locking nut (7), and also is provided with the baffle plate (8) of sealing transposition axle (3) in the lower end of base (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610104495 CN1907645A (en) | 2006-08-11 | 2006-08-11 | Horizontal thin type numeral control panoramic table for point gearing cambered surface cam mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610104495 CN1907645A (en) | 2006-08-11 | 2006-08-11 | Horizontal thin type numeral control panoramic table for point gearing cambered surface cam mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1907645A true CN1907645A (en) | 2007-02-07 |
Family
ID=37698958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610104495 Pending CN1907645A (en) | 2006-08-11 | 2006-08-11 | Horizontal thin type numeral control panoramic table for point gearing cambered surface cam mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1907645A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101941154A (en) * | 2010-10-14 | 2011-01-12 | 无锡立达齿轮制造有限公司 | Vertical lathe rotary table |
| CN102653056A (en) * | 2012-03-02 | 2012-09-05 | 彭铁军 | Novel vertical processing machine tool |
| CN103028955A (en) * | 2012-12-20 | 2013-04-10 | 姬生永 | Auxiliary support device for milling machine |
-
2006
- 2006-08-11 CN CN 200610104495 patent/CN1907645A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101941154A (en) * | 2010-10-14 | 2011-01-12 | 无锡立达齿轮制造有限公司 | Vertical lathe rotary table |
| CN102653056A (en) * | 2012-03-02 | 2012-09-05 | 彭铁军 | Novel vertical processing machine tool |
| CN103028955A (en) * | 2012-12-20 | 2013-04-10 | 姬生永 | Auxiliary support device for milling machine |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |