CN103158024B - Mechanism capable of adjusting transmission gap of gear rack - Google Patents
Mechanism capable of adjusting transmission gap of gear rack Download PDFInfo
- Publication number
- CN103158024B CN103158024B CN201110426518.8A CN201110426518A CN103158024B CN 103158024 B CN103158024 B CN 103158024B CN 201110426518 A CN201110426518 A CN 201110426518A CN 103158024 B CN103158024 B CN 103158024B
- Authority
- CN
- China
- Prior art keywords
- box body
- reduction gear
- adjustment
- sliding platform
- gap
- Prior art date
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- Expired - Fee Related
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- Machine Tool Units (AREA)
Abstract
A mechanism capable of adjusting a transmission gap of a gear rack comprises a reduction gear box body, a reduction gear, a servo motor, a moving sliding platform, a hinge shaft, a pressing cover and a gap adjustment mechanism, wherein the reduction gear box body is arranged on the moving sliding platform. A bottom plate and a support arm rod are fixed on the reduction gear box body, the hinge shaft is arranged between the moving sliding platform and the pressing cover, the pressing cover is arranged on a hinge shaft support plate, the hinge shaft support plate is arranged on the moving sliding platform, the reduction gear is arranged on the reduction gear box body, the servo motor is arranged on the reduction gear, and a gear is arranged on the reduction gear in an assembled mode. A gap adjustment mechanism is composed of a sliding rod seat and an adjustment base, the sliding rod seat is arranged on the moving sliding platform in an assembled mode, an adjustment screw rod, a spring and a sliding rod are arranged on the sliding rod seat, a steel ball is arranged between the sliding rod and the support arm rod, and a locknut and an adjusting screw are arranged on the adjustment base. The mechanism capable of adjusting the transmission gap of the gear rack can enable the gear rack which drives the sliding platform to move to obtain a proper transmission gap, enables a numerical control machine tool to have positioning accuracy and repeated positioning accuracy meeting requirements, and reduces manufacturing cost of a machine tool.
Description
Technical field
What the present invention relates to is the moving structure processing major axis class Digit Control Machine Tool slide unit, particularly relates to a kind of mechanism of regulating wheel rack-driving gap.
Namely the moving structure of this type of Digit Control Machine Tool slide unit uses gear & rack structure.What be specifically related to is by combinations such as servomotor, reductor, rack-and-pinion and gap adjustment links, make to drive the rack-and-pinion of slide unit movement to obtain suitable drive gap, thus the positioning precision and repetitive positioning accuracy that such Digit Control Machine Tool are had meet the demands, and reduce the manufacturing cost of lathe.
Background technology
Processing major axis class Digit Control Machine Tool (displacement of usual slide unit is greater than 6 meters); it drives the structure of slide unit movement to adopt ball screw arrangement; many is adopt gear & rack structure; and driven by Dual-Servo Motor; be convenient to the drive gap of control gear tooth bar, but Machine Manufacture cost is high.Adopt the transmission of single servo motor driven wheel tooth bar, and combined with clearance adjustment mechanism, rack-and-pinion can be made to obtain suitable drive gap, namely meet the requirement of slide unit positioning precision and repetitive positioning accuracy, again reduce the manufacturing cost of lathe.
Summary of the invention
The object of this invention is to provide a kind of mechanism adjusting rack pinion gap accurately, easily.
The technical scheme adopted is:
A kind of mechanism adjusting rack pinion gap, comprise box body of speed reducer, reductor, servomotor, Mobile Slide, hinge axis, gland and clearance adjustment mechanism, box body of speed reducer is installed on Mobile Slide, box body of speed reducer is fixed with base plate and support arm, hinge axis is installed between Mobile Slide and gland, gland is installed in a hinge axis gripper shoe, hinge axis gripper shoe is installed on Mobile Slide, reductor is installed on box body of speed reducer, servomotor is installed on reductor, gear is assemblied on reductor, described clearance adjustment mechanism, comprise slider block, adjustment base.Slider block is assemblied on Mobile Slide, slider block is equiped with adjustment screw rod, spring and slide bar, is equiped with steel ball between slide bar and support arm, adjustment base is equiped with locking nut and adjustment screw.
Operation principle:
Above-mentioned parts one and parts two have been assembled and confirm assembling errorless after, drive gap adjustment link can be entered into; When confirmation drive gap is large or hour, unclamped by locking nut, rotate adjustment screw rod and adjustment screw with allen wrench, box body of speed reducer is rotated around hinge axis, and namely gear produces close to tooth bar or the rotary motion away from tooth bar around hinge axis; When confirming that drive gap is suitable, locking nut is locked.Both forward and reverse directions Mobile Slide on guide rail, detects positioning precision and the repetitive positioning accuracy of slide unit movement by laser interferometer; When positioning precision and repetitive positioning accuracy undesirable time, repeat above-mentioned adjustment process, till positioning precision and repetitive positioning accuracy meet the requirements.Disk spring is uneven for balancing the gap produced due to rack-and-pinion machining accuracy error.
The present invention can make to drive the rack-and-pinion of slide unit movement to obtain suitable drive gap, thus the positioning precision and repetitive positioning accuracy that such Digit Control Machine Tool are had meet the demands, and reduce the manufacturing cost of lathe.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is A-A sectional view of Fig. 2.
Detailed description of the invention
A kind of mechanism adjusting rack pinion gap, comprise box body of speed reducer 1, reductor 7, servomotor 8, Mobile Slide 18, hinge axis 5, gland 6 and clearance adjustment mechanism, box body of speed reducer 1 is installed on Mobile Slide 18, box body of speed reducer 1 is fixed with base plate 2 and support arm 3, hinge axis 5 is installed between Mobile Slide 18 and gland 6, gland 6 is fixed in a hinge axis gripper shoe 4, hinge axis gripper shoe 4 is installed on Mobile Slide 18, reductor 7 is fixed on box body of speed reducer 1, servomotor 8 is fixed on reductor 7, reductor 7 is provided with gear 9.Clearance adjustment mechanism, comprises slider block 10, adjustment base 15.Slider block 10 is assemblied on Mobile Slide 18, slider block 10 is equiped with adjustment screw rod 11, disk spring 12 and slide bar 13, is equiped with steel ball 14 between slide bar 13 and support arm 3, adjustment base 15 is equiped with locking nut 16 and adjustment screw 17.
Claims (1)
1. one kind adjusts the mechanism in rack pinion gap, comprise box body of speed reducer, reductor, servomotor, Mobile Slide, hinge axis, gland and clearance adjustment mechanism, box body of speed reducer is installed on Mobile Slide, box body of speed reducer is fixed with base plate and support arm, hinge axis is installed between Mobile Slide and gland, gland is installed in a hinge axis gripper shoe, hinge axis gripper shoe is installed on Mobile Slide, reductor is installed on box body of speed reducer, servomotor is installed on reductor, gear is assemblied on reductor, it is characterized in that: described clearance adjustment mechanism, comprise slider block, adjustment base, slider block is assemblied on Mobile Slide, slider block is equiped with adjustment screw rod, disk spring and slide bar, steel ball is equiped with between slide bar and support arm, adjustment base is equiped with locking nut and adjustment screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110426518.8A CN103158024B (en) | 2011-12-19 | 2011-12-19 | Mechanism capable of adjusting transmission gap of gear rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110426518.8A CN103158024B (en) | 2011-12-19 | 2011-12-19 | Mechanism capable of adjusting transmission gap of gear rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103158024A CN103158024A (en) | 2013-06-19 |
| CN103158024B true CN103158024B (en) | 2015-04-22 |
Family
ID=48581837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110426518.8A Expired - Fee Related CN103158024B (en) | 2011-12-19 | 2011-12-19 | Mechanism capable of adjusting transmission gap of gear rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103158024B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882579A (en) * | 2019-04-08 | 2019-06-14 | 无锡市威博钟山科技有限公司 | A kind of transmission locking device |
| CN109940182B (en) * | 2019-04-15 | 2020-05-12 | 德州德隆(集团)机床有限责任公司 | Installation process of machine tool feeding box |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5882158A (en) * | 1996-05-31 | 1999-03-16 | Deckel Maho Gmbh | Drive assembly |
| TW402666B (en) * | 1997-08-06 | 2000-08-21 | Carrier Corp | Drive positioning mechanism, centrifugal compressor, and backlash adjustment mechanism |
| CN100485227C (en) * | 2005-07-01 | 2009-05-06 | 亚崴机电股份有限公司 | Transmission gear gap eliminating method and its structure |
| CN201202795Y (en) * | 2008-03-07 | 2009-03-04 | 上海冲剪机床厂 | Double-drive servo motor gear tooth side gap adjusting mechanism for laser cutting machine |
| CN101672359A (en) * | 2009-09-25 | 2010-03-17 | 荆州恒隆汽车零部件制造有限公司 | Adjusting mechanism capable of micro-controlling back lash of pinion and rack |
| CN201632785U (en) * | 2010-04-02 | 2010-11-17 | 无锡华联科技集团有限公司 | Gap adjusting mechanism driven by gantry numerically controlled cutting machine |
| CN202377844U (en) * | 2011-12-19 | 2012-08-15 | 沈阳理工大学 | Mechanism for adjusting transmission clearance of gear rack |
-
2011
- 2011-12-19 CN CN201110426518.8A patent/CN103158024B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103158024A (en) | 2013-06-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160425 Address after: Hunnan New District Shenyang city of Liaoning Province Jin Cang Lu 110179 No. 18 Patentee after: Shenyang Special Power Machinery Manufacturing Co., Ltd. Address before: 110159 Liaoning Province, Shenyang Hunnan New District Nanping Road No. 6 Patentee before: Shenyang Univ. of Science and Engineering |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20161219 |