CN101985183A - Hobbing cutter rest rotating device capable of locating accurately - Google Patents
Hobbing cutter rest rotating device capable of locating accurately Download PDFInfo
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- CN101985183A CN101985183A CN 201010165966 CN201010165966A CN101985183A CN 101985183 A CN101985183 A CN 101985183A CN 201010165966 CN201010165966 CN 201010165966 CN 201010165966 A CN201010165966 A CN 201010165966A CN 101985183 A CN101985183 A CN 101985183A
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Abstract
The invention discloses a hobbing cutter rest rotating device capable of locating accurately. A round hole is arranged on the upper end face of a shell (1), and the inner wall of the round hole is provided with an annular table raised inward; a plane bearing (12) is arranged on the annular table, and the plane bearing (12) is provided with a rotating piece (10); a center fixing piece (6) is arranged in the rotating piece (10), and the lower part of the center fixing piece (6) is fixedly provided with a worm gear (13) which is in gear transmission with a screw (16) arranged in the shell (1); the middle of the center fixing piece (6) is provided with an inner hole, and an encoder is fixedly arranged in the inner hole; an annular step is arranged above the through hole of the rotating piece (10), a centering plate (9) is arranged in the annular step, and the center of the centering plate (9) is fixedly provided with a center rod (7); and the center rod (7) passes through the inner hole, and the lower end of the center rod (7) is connected with the encoder (15) through a coupling (8). In the invention, the hobbing cutter rest rotating transmission mechanism is restructured, the one-stage transmission is used, and the encoder is arranged at the tail end of the rotating device, thereby enhancing the rotating accuracy greatly at the same time. The hobbing cutter rest rotating device is simple in structure, easy to realize and reliable to work.
Description
Technical field
The present invention 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 objective of the invention is at existing gear-hobbing machine gear hobbing knife rest rotating accuracy low,, 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.
Technical scheme of the present invention 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.
Beneficial effect of the present invention:
The clamping of revolving meber of the present invention (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 present invention 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 invention.
Fig. 2 is drive structure of gear worm figure of the present invention.
The specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
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 present invention 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), 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 |
|---|---|---|---|
| CN 201010165966 CN101985183A (en) | 2010-04-17 | 2010-04-17 | Hobbing cutter rest rotating device capable of locating accurately |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010165966 CN101985183A (en) | 2010-04-17 | 2010-04-17 | Hobbing cutter rest rotating device capable of locating accurately |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101985183A true CN101985183A (en) | 2011-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010165966 Pending CN101985183A (en) | 2010-04-17 | 2010-04-17 | Hobbing cutter rest rotating device capable of locating accurately |
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| Country | Link |
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| CN (1) | CN101985183A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728907A (en) * | 2012-03-19 | 2012-10-17 | 浙江嘉力宝精机股份有限公司 | Clamping/loosening mechanism for rotary knife rest of forming gear grinding machine |
| CN104028851A (en) * | 2014-06-13 | 2014-09-10 | 重庆机床(集团)有限责任公司 | Gear hobbing machine small holder repeated positioning and locking device |
| CN105195837A (en) * | 2015-10-31 | 2015-12-30 | 重庆机床(集团)有限责任公司 | Gear hobbing machine cutter frame rotating plate damping mechanism |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201833082U (en) * | 2010-04-17 | 2011-05-18 | 安徽池州伟舜机电有限公司 | Hobbing knife rest rotary device capable of being accurately positioned |
| CN201950300U (en) * | 2009-10-10 | 2011-08-31 | 安徽池州伟舜机电有限公司 | Hobbing cutter carrier slewer capable of positioning accurately |
-
2010
- 2010-04-17 CN CN 201010165966 patent/CN101985183A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201950300U (en) * | 2009-10-10 | 2011-08-31 | 安徽池州伟舜机电有限公司 | Hobbing cutter carrier slewer capable of positioning accurately |
| CN201833082U (en) * | 2010-04-17 | 2011-05-18 | 安徽池州伟舜机电有限公司 | Hobbing knife rest rotary device capable of being accurately positioned |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728907A (en) * | 2012-03-19 | 2012-10-17 | 浙江嘉力宝精机股份有限公司 | Clamping/loosening mechanism for rotary knife rest of forming gear grinding machine |
| CN104028851A (en) * | 2014-06-13 | 2014-09-10 | 重庆机床(集团)有限责任公司 | Gear hobbing machine small holder repeated positioning and locking device |
| CN105195837A (en) * | 2015-10-31 | 2015-12-30 | 重庆机床(集团)有限责任公司 | Gear hobbing machine cutter frame rotating plate damping mechanism |
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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 |
Application publication date: 20110316 |