CN103358137A - Hydraulic motor gear backlash eliminating mechanism of rotary machine of cutting machine - Google Patents
Hydraulic motor gear backlash eliminating mechanism of rotary machine of cutting machine Download PDFInfo
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- CN103358137A CN103358137A CN2012100820340A CN201210082034A CN103358137A CN 103358137 A CN103358137 A CN 103358137A CN 2012100820340 A CN2012100820340 A CN 2012100820340A CN 201210082034 A CN201210082034 A CN 201210082034A CN 103358137 A CN103358137 A CN 103358137A
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- hydraulic motor
- pinion
- rotary table
- gear
- gear wheel
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Abstract
A hydraulic motor gear backlash eliminating mechanism of a rotary machine of a cutting machine is characterized in that a gear wheel is fixed on a spindle of the rotary table, a pinion is mounted on a hydraulic motor and meshed with the gear wheel, and two oil pipes are communicated with the hydraulic motor. Damping opposite to a moving direction of the pinion is provided through the hydraulic motor, so that gear backlash is eliminated, rotation accuracy of the rotary table is improved, and further machining accuracy of parts is improved; the two high-pressure oil pipes are arranged to supply oil, bidirectional damping of the pinion can be provided, and accordingly backlash of a worm gear pair can be eliminated effective after the rotary table rotates reversely.
Description
Technical field
The present invention relates to a kind ofly need to be applicable to the stock-removing machine of precision round subsection workbench to be used for eliminating the hydraulic motor gear anti-backlash mechanism in rotary table worm gear gap.
Background technology
Development along with Tendency of Modern Machine Tool Technique, one of developing direction of lathe is high accuracy, workbench is as one of core component of lathe, its precision directly is decided by the element precision that processes, traditional high-precision workbench mainly adopts Worm Wheel System, except requiring to use the high-precision worm gear, the gap of eliminating in the transmission process also is very crucial.Because all can there be certain sideshake in worm gear mechanism, if can not effectively eliminate in the course of work, not only directly affects transmission accuracy, also can reduce the rigidity of workbench in the process, finally affects the machining accuracy of part.So elimination work table rotation gap is very important.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can effectively eliminate the anti-backlash mechanism in work table rotation gap.
The object of the present invention is achieved like this: a kind of hydraulic motor gear anti-backlash mechanism of stock-removing machine rotary table, gear wheel is fixed on the main shaft of rotary table, pinion is installed on the hydraulic motor, pinion and gear wheel engagement, and oil pipe communicates with hydraulic motor.Above-mentioned oil pipe is two.
The hydraulic motor gear anti-backlash mechanism of stock-removing machine rotary table provided by the invention, provide the damping opposite with the pinion direction of motion by hydraulic motor, thereby reach the purpose of eliminating gear clearance elimination, improve the rotation precision of workbench, thereby improve the machining accuracy of part; By respectively fuel feeding of two high-pressure oil pipes is set, can provide the damping of pinion both direction, the gap that after the workbench reverse rotation, also can effectively eliminate worm gear like this.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is structural representation of the present invention.
The specific embodiment
As shown in Figure 1, a kind of hydraulic motor gear anti-backlash mechanism of stock-removing machine rotary table, gear wheel 1 is fixed on the main shaft of rotary table, pinion 2 is installed on the hydraulic motor 4, pinion 2 and gear wheel 1 engagement, oil pipe 5 communicates with hydraulic motor 4, is provided with mounting bracket 3 between pinion 2 and hydraulic motor 4.Described oil pipe 5 is two.
Operation principle is as follows: when workbench rotated, the gear wheel 1 that is connected with rotary main shaft was in company with rotating, because gear wheel 1 and pinion 2 engagements, pinion 2 can passive rotation.Because pinion 2 links to each other with hydraulic motor 4, when high-pressure oil pipe 5 oil-feed of hydraulic motor 4, the power that hydraulic oil provides makes pinion 2 have the formula that becomes that stops gear wheel 1 rotation, but because the insufficient pressure (pressure that high-pressure oil pipe provides is adjustable) that high-pressure oil pipe 5 provides, pinion 2 can't stop gear wheel 1 to rotate, just seamlessly be interlocked with gear wheel 1 tightly always, passive rotation, thus reach the purpose of the gap that disappears.When the workbench counter-rotation, these root oil pipe 5 fuel cut-offs then, another root oil pipe begins fuel feeding, for pinion 2 provides reciprocal damping, can reach the purpose of the gap that disappears in the same old way.Enter hydraulic motor 4 from Hydraulic Station hydraulic oil out and flow to table base for it after power is provided, get back to Hydraulic Station through oil return pipe again, form a circulating system, so hydraulic oil reuses.
Claims (2)
1. the hydraulic motor gear anti-backlash mechanism of a stock-removing machine rotary table, it is characterized in that: gear wheel (1) is fixed on the main shaft of rotary table, pinion (2) is installed on the hydraulic motor (4), pinion (2) and gear wheel (1) engagement, oil pipe (5) communicates with hydraulic motor (4).
2. the hydraulic motor gear anti-backlash mechanism of stock-removing machine rotary table according to claim 1, it is characterized in that: described oil pipe (5) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100820340A CN103358137A (en) | 2012-03-26 | 2012-03-26 | Hydraulic motor gear backlash eliminating mechanism of rotary machine of cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100820340A CN103358137A (en) | 2012-03-26 | 2012-03-26 | Hydraulic motor gear backlash eliminating mechanism of rotary machine of cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103358137A true CN103358137A (en) | 2013-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100820340A Pending CN103358137A (en) | 2012-03-26 | 2012-03-26 | Hydraulic motor gear backlash eliminating mechanism of rotary machine of cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103358137A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583640A (en) * | 2016-03-14 | 2016-05-18 | 烟台三维机床制造有限公司 | Rotary worktable borne by rotary support through straight-tooth transmission |
| CN107796343A (en) * | 2017-11-17 | 2018-03-13 | 杭州航验环境技术有限公司 | A kind of high-precision positioner and high accuracy positioning householder method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63120959A (en) * | 1986-11-07 | 1988-05-25 | Yanmar Diesel Engine Co Ltd | Scissors gear device |
| CN1920342A (en) * | 2005-08-23 | 2007-02-28 | 通用汽车环球科技运作公司 | Hydraulic active damping system for gears and method |
| CN201552344U (en) * | 2009-11-24 | 2010-08-18 | 天津市精诚机床制造有限公司 | Transmission anti-backlash device for milling head of numerical-control gear milling machine |
| CN202251818U (en) * | 2011-09-10 | 2012-05-30 | 青海第二机床制造有限责任公司 | Helical gear transmission hydraulic gap elimination device of machine tool gearbox |
| CN202507110U (en) * | 2012-03-26 | 2012-10-31 | 宜昌长机科技有限责任公司 | Anti-backlash mechanism for hydraulic motor gear of cutting machine rotating table |
-
2012
- 2012-03-26 CN CN2012100820340A patent/CN103358137A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63120959A (en) * | 1986-11-07 | 1988-05-25 | Yanmar Diesel Engine Co Ltd | Scissors gear device |
| CN1920342A (en) * | 2005-08-23 | 2007-02-28 | 通用汽车环球科技运作公司 | Hydraulic active damping system for gears and method |
| CN201552344U (en) * | 2009-11-24 | 2010-08-18 | 天津市精诚机床制造有限公司 | Transmission anti-backlash device for milling head of numerical-control gear milling machine |
| CN202251818U (en) * | 2011-09-10 | 2012-05-30 | 青海第二机床制造有限责任公司 | Helical gear transmission hydraulic gap elimination device of machine tool gearbox |
| CN202507110U (en) * | 2012-03-26 | 2012-10-31 | 宜昌长机科技有限责任公司 | Anti-backlash mechanism for hydraulic motor gear of cutting machine rotating table |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583640A (en) * | 2016-03-14 | 2016-05-18 | 烟台三维机床制造有限公司 | Rotary worktable borne by rotary support through straight-tooth transmission |
| CN107796343A (en) * | 2017-11-17 | 2018-03-13 | 杭州航验环境技术有限公司 | A kind of high-precision positioner and high accuracy positioning householder method |
| CN107796343B (en) * | 2017-11-17 | 2024-05-10 | 杭州航验环境技术有限公司 | High-precision positioning device and high-precision positioning auxiliary method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20131023 |