CN201950300U - Hobbing cutter carrier slewer capable of positioning accurately - Google Patents
Hobbing cutter carrier slewer capable of positioning accurately Download PDFInfo
- Publication number
- CN201950300U CN201950300U CN2009201881152U CN200920188115U CN201950300U CN 201950300 U CN201950300 U CN 201950300U CN 2009201881152 U CN2009201881152 U CN 2009201881152U CN 200920188115 U CN200920188115 U CN 200920188115U CN 201950300 U CN201950300 U CN 201950300U
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- encoder
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Abstract
The utility model discloses a hobbing cutter carrier slewer capable of positioning accurately, wherein the upper end of a housing (1) is provided with a circular hole, the inner wall of the circular hole is provided with a ring base projecting inwardly, the ring base is provided with a plane bearing (12), the plane bearing (12) is provided with a rotating member (10), a center fixing member is arranged in the rotating member (10), a worm gear (13) is arranged at the lower end of the center fixing member (6), the worm gear (13) is engaged and transmitted with a screw (16) which is installed in the housing (1), an inner hole is provided in the middle of the center fixing member (6), an encoder is fixedly installed in the inner hole, a ring-shaped step is provided at top of the through hole of the rotating member (10), a centering plate (9) is arranged in the ring-shaped step, a center-pole (7) is fixedly arranged at the central part of the centering plate (9), the center-pole (7) traverses through the inner hole, and the lower end of the center-pole (7) is connected with an encoder (15) through a shaft coupling (8). The utility model rearranges layout for the hobbing cutter carrier slewer, primary transmission is employed, the encoder is arranged at the end of the slewer, and the rotation precision is largely enhanced, at the same time, the utility model is advantageous by possessing a simple structure, being easy to be realized, and being reliable in 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 structurely, the easy gear-hobbing machine gear hobbing knife rest slewing equipment of 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 screw rod (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).
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), 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; 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 thread is 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 end is assemblied in journal bearing (4) inner ring, center fixation part (6) upper end is equipped with locking nut (5), locking nut (5) retaining is in journal bearing (4) upper edge, center fixation part (6) lower end is installed with worm gear (13), with screw rod (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), and described center-pole (7) passes described endoporus, are connected by shaft coupling (8) between center-pole (7) lower end and the encoder (15).Be provided with worm gear packing ring (14) between worm gear (13) and revolving meber (10) contact 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), 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 screw rod (16) engaged transmission that is installed in the housing (1), it is characterized in that: 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 |
|---|---|---|---|
| CN2009201881152U CN201950300U (en) | 2009-10-10 | 2009-10-10 | Hobbing cutter carrier slewer capable of positioning accurately |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201881152U CN201950300U (en) | 2009-10-10 | 2009-10-10 | Hobbing cutter carrier slewer capable of positioning accurately |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201950300U true CN201950300U (en) | 2011-08-31 |
Family
ID=44494427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201881152U Expired - Fee Related CN201950300U (en) | 2009-10-10 | 2009-10-10 | Hobbing cutter carrier slewer capable of positioning accurately |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201950300U (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 |
-
2009
- 2009-10-10 CN CN2009201881152U patent/CN201950300U/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: 20110831 Termination date: 20111010 |