CN201833082U - Hobbing knife rest rotary device capable of being accurately positioned - Google Patents
Hobbing knife rest rotary device capable of being accurately positioned Download PDFInfo
- Publication number
- CN201833082U CN201833082U CN2010201811701U CN201020181170U CN201833082U CN 201833082 U CN201833082 U CN 201833082U CN 2010201811701 U CN2010201811701 U CN 2010201811701U CN 201020181170 U CN201020181170 U CN 201020181170U CN 201833082 U CN201833082 U CN 201833082U
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- knife rest
- hole
- outer shroud
- annular
- center
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Abstract
The utility model discloses a hobbing knife rest rotary device capable of being accurately positioned. A circular hole is formed on the upper end surface of a casing (1); an annular table protruding inwards is formed on the inner wall of the circular hole; a plane bearing (12) is arranged on the annular table; a rotating part (10) is mounted on the plane bearing (12); a central fixed part is mounted in the rotating part (10); a worm wheel (13) is fixedly mounted at the lower end of the central fixed part (6) and is in engagement transmission with a threaded rod (16) mounted in the casing (1); an inner hole is formed in the middle of the central fixed part (6); a coder is fixedly mounted in the inner hole; an annular step is formed above a through hole of the rotating part (10); a centering board (9) is mounted in the annular step; a center pole (7) is fixedly mounted in the middle of the centering board (9) and passes through the inner hole, and the lower end of the center pole is connected with the coder (15) through a coupling (8). The hobbing knife rest rotary device carries out new configuration to a conventional hobbing knife rest rotary transmission mechanism and adopts the Grade-I transmission; and the coder is mounted at the tail end of the rotary device, so that the rotating precision is greatly improved. Meanwhile, the hobbing knife rest rotary device has the advantages of simple structure, easiness in realization and reliable work.
Description
Technical field
The utility model relates to a kind of roller gear machining tool, especially a kind of gear-hobbing machine knife rest slew gear, the specifically a kind of gear hobbing knife rest slewing equipment that can accurately locate.
Background technology
As everyone knows, gear-hobbing machine all is furnished with the gear hobbing knife rest, needs the knife rest revolution in the cutting adjustment process, modern gear-hobbing machine is more and more higher to the rotating required precision of knife rest, the user wishes that this adjustment process can settle at one go, need not the secondary adjustment, avoids scrapping of trial cut spare.The chain digital control gear hobbing machine that market has occurred adopts the secondary transmission to realize the knife rest revolution more, is furnished with the clamping of the slewing equipment of 6 or 8 small oil tank realization gear hobbing knife rests simultaneously.Because the precision of transmission chain length and terminal driving member is low, structural limitations makes encoder can't be installed in end.Therefore how to improve gear hobbing knife rest rotating accuracy, prevent that scrapping of trial cut spare from being one of key issue that must solve in the present chain digital control gear hobbing machine design.
Summary of the invention
The purpose of this utility model is low at existing gear-hobbing machine gear hobbing knife rest rotating accuracy,, the problem of scrapping of trial cut spare easily takes place, design a kind of simple in structure, the gear-hobbing machine gear hobbing knife rest slewing equipment of easy control is to solve the long-standing problem of chain digital control gear hobbing machine gear hobbing knife rest turning course.
The technical solution of the utility model is:
A kind of gear hobbing knife rest slewing equipment that can accurately locate, comprise housing (1), there is circular hole described housing (1) upper surface, one inwardly protruded ring platform is arranged on the described circular-hole internal-wall, described ring platform is provided with plane bearing (12), revolving meber (10) is installed on the described plane bearing (12), on the outer wall of described revolving meber (10) upper end an outer shroud platform is arranged; Circular pressing plate (2) is provided with annular groove, is provided with the annular piston (3) that is slidingly matched in the annular groove, and circular pressing plate (2) left-hand thread is pressed on the described outer shroud platform, and described annular groove opening is towards the upper surface of outer shroud platform; The central authorities of revolving meber (10) have through hole, journal bearing (4) is installed in the described through hole, center fixation part (6) upper end is assemblied in journal bearing (4) inner ring, center fixation part (6) lower end is installed with worm gear (13), with worm screw (16) engaged transmission that is installed in the housing (1), endoporus is arranged in the middle of the described center fixation part (6), encoder is fixedly installed in the endoporus, there is a ring-shaped step described revolving meber (10) through hole top, centering plate (9) is installed in the described ring-shaped step, centering plate (9) central authorities are installed with the described center-pole of center-pole (7) (7) and pass described endoporus, are connected by shaft coupling (8) between center-pole (7) lower end and the encoder (15).
The described gear hobbing knife rest slewing equipment that can accurately locate is characterized in that being placed with on the described outer shroud platform annular slab (11), and described circular pressing plate (2) left-hand thread is pressed in described outer shroud platform upper annular plate (11).
Encoder is contained in the end of gear hobbing knife rest slewing equipment, adopts the one-level transmission to realize that the gear-hobbing machine knife rest accurately turns round.
The beneficial effects of the utility model:
The clamping of revolving meber of the present utility model (10) adopts hydraulic oil to promote, and the full annular face compresses, and it is big to compress area, and the moment of generation is big, and the reliability height has good practicability.
The utility model is to gear hobbing knife rest rotary drive mechanism layout again, adopts the one-level transmission, and encoder is installed in the end of slewing equipment, improved rotating accuracy greatly, have simultaneously simple in structure, be easy to realize and the advantage of reliable operation.
Description of drawings
Fig. 1 is a sectional structure chart of the present utility model.
Fig. 2 is drive structure of gear worm figure of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As depicted in figs. 1 and 2.
A kind of gear hobbing knife rest slewing equipment that can accurately locate, comprise housing 1, there is circular hole described housing 1 upper surface, one inwardly protruded ring platform is arranged on the described circular-hole internal-wall, described ring platform is provided with plane bearing 12, on the described plane bearing 12 revolving meber 10 is installed, on the described revolving meber 10 upper end outer walls outer shroud platform is arranged; Be placed with annular slab 11 on the outer shroud platform.
Circular pressing plate 2 is provided with annular groove, is provided with the annular piston 3 that is slidingly matched in the annular groove, and circular pressing plate 2 left-hand threads are pressed on the annular slab 11 of described outer shroud platform, and the annular groove opening is towards the upper surface of outer shroud platform; The central authorities of revolving meber 10 have through hole, journal bearing 4 is installed in the described through hole, center fixation part 6 upper ends are assemblied in journal bearing 4 inner rings, center fixation part 6 upper ends are equipped with locking nut 5, locking nut 5 retainings are in journal bearing 4 upper edges, center fixation part 6 lower ends are installed with worm gear 13, with worm screw 16 engaged transmission that are installed in the housing 1, in the middle of the described center fixation part 6 endoporus is arranged, encoder is fixedly installed in the endoporus, there is a ring-shaped step described revolving meber 10 through holes top, centering plate 9 is installed in the described ring-shaped step, centering plate 9 central authorities are installed with center-pole 7, and described center-pole 7 passes described endoporus, are connected by shaft coupling 8 between center-pole 7 lower ends and the encoder 15.Be provided with worm gear packing ring 14 between worm gear 13 and revolving meber 10 contacts site.
Utilize hydraulic oil to promote annular piston 3, compress annular slab 11, realize the locking of revolving meber 10.
Encoder is contained in the end of gear hobbing knife rest slewing equipment, adopts the one-level transmission to realize that the gear-hobbing machine knife rest accurately turns round.
The utility model is in turning course, the hydraulic fluid pressure that at first acts on the annular piston 3 reduces, dragging worm screw 16 by servomotor is rotated, drive worm gear 13 around center steering, provide position feedback with the concentric encoder 15 of worm gear 13 simultaneously, arrive assigned address after, servomotor shuts down, the hydraulic fluid pressure that acts on the annular piston 3 increases, and compresses annular slab 11, and revolving meber 10 is clamped on the housing 1.
Claims (2)
1. the gear hobbing knife rest slewing equipment that can accurately locate, comprise housing (1), there is circular hole described housing (1) upper surface, one inwardly protruded ring platform is arranged on the described circular-hole internal-wall, described ring platform is provided with plane bearing (12), it is characterized in that: revolving meber (10) is installed on the described plane bearing (12), on the outer wall of described revolving meber (10) upper end an outer shroud platform is arranged; Circular pressing plate (2) is provided with annular groove, is provided with the annular piston (3) that is slidingly matched in the annular groove, and circular pressing plate (2) left-hand thread is pressed on the described outer shroud platform, and described annular groove opening is towards the upper surface of outer shroud platform; The central authorities of revolving meber (10) have through hole, journal bearing (4) is installed in the described through hole, center fixation part (6) upper end is assemblied in journal bearing (4) inner ring, center fixation part (6) lower end is installed with worm gear (13), with worm screw (16) engaged transmission that is installed in the housing (1), endoporus is arranged in the middle of the described center fixation part (6), encoder is fixedly installed in the endoporus, there is a ring-shaped step described revolving meber (10) through hole top, centering plate (9) is installed in the described ring-shaped step, centering plate (9) central authorities are installed with center-pole (7), described center-pole (7) passes described endoporus, is connected by shaft coupling (8) between center-pole (7) lower end and the encoder (15).
2. the gear hobbing knife rest slewing equipment that can accurately locate according to claim 1 is characterized in that being placed with on the described outer shroud platform annular slab (11), and described circular pressing plate (2) left-hand thread is pressed in described outer shroud platform upper annular plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201811701U CN201833082U (en) | 2010-04-17 | 2010-04-17 | Hobbing knife rest rotary device capable of being accurately positioned |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201811701U CN201833082U (en) | 2010-04-17 | 2010-04-17 | Hobbing knife rest rotary device capable of being accurately positioned |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201833082U true CN201833082U (en) | 2011-05-18 |
Family
ID=44003177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201811701U Expired - Fee Related CN201833082U (en) | 2010-04-17 | 2010-04-17 | Hobbing knife rest rotary device capable of being accurately positioned |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201833082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985183A (en) * | 2010-04-17 | 2011-03-16 | 安徽池州伟舜机电有限公司 | Hobbing cutter rest rotating device capable of locating accurately |
-
2010
- 2010-04-17 CN CN2010201811701U patent/CN201833082U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985183A (en) * | 2010-04-17 | 2011-03-16 | 安徽池州伟舜机电有限公司 | Hobbing cutter rest rotating device capable of locating accurately |
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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: 20110518 Termination date: 20120417 |