CN101716736B - Automatic backlash-eliminating scale-dividing device used for numeral control helical deep hole broacher - Google Patents
Automatic backlash-eliminating scale-dividing device used for numeral control helical deep hole broacher Download PDFInfo
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- CN101716736B CN101716736B CN2009103106492A CN200910310649A CN101716736B CN 101716736 B CN101716736 B CN 101716736B CN 2009103106492 A CN2009103106492 A CN 2009103106492A CN 200910310649 A CN200910310649 A CN 200910310649A CN 101716736 B CN101716736 B CN 101716736B
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- deep hole
- backlash
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- input mechanism
- servo motor
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- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 238000012856 packing Methods 0.000 claims description 10
- 230000008961 swelling Effects 0.000 claims description 9
- 230000008030 elimination Effects 0.000 claims description 2
- 238000003379 elimination reaction Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 3
- 235000000621 Bidens tripartita Nutrition 0.000 abstract 1
- 240000004082 Bidens tripartita Species 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
- 208000006637 fused teeth Diseases 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 3
- 239000012809 cooling fluid Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 239000012084 conversion product Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The invention belongs to the technical field of broacher devices, in particular to an automatic backlash-eliminating dividing device used for a numeral control helical deep hole broacher. The device comprises a box body, an alternating current servo motor, an input-output mechanism, and a circular grating detection mechanism. In the device, scale division is controlled directly through the alternating current servo motor; and through pushing a driving axle to glide axially by an adjusting washer and a disc spring, the driving axle and a double-tooth backlash-eliminating mechanism consisting of driven wheels can automatically compensate to eliminate backlashes after a gear is worn. The driving device of the invention has the advantages of low cost and maintenance cost, high safety, and good reliability.
Description
Technical field
The invention belongs to broaching machine device technique field, be specifically related to a kind of automatic anti-backlash indexing means that is used for digital control helical deep hole broaching machine.
Background technology
General digital control helical deep hole broaching machine be by master plate be shaped, the rack-and-pinion auxiliary driving carries out spindle index, at first mechanism's more complicated of master plate, institute take up space greatly, need when often product is changed in processing the also difficult assurance of a large amount of more loaded down with trivial details calculating adjustment and precision; Secondly there are the characteristics that horizontal space takies greatly, precision is low in the kind of drive of rack-and-pinion.
Therefore, use traditional indexing mechanism to be difficult to guarantee the diversity and the accuracy of present deep hole processing helix, cause that productivity ratio is low, precision is lost comparatively fast, adjust loaded down with trivial details and security is not high.
Summary of the invention
For solving above-mentioned driving device structure complexity, cost height, precision is general, maintenance cost is high problem, the invention provides a kind of automatic anti-backlash indexing means that is used for digital control helical deep hole broaching machine.
The automatic anti-backlash indexing means that is used for digital control helical deep hole broaching machine of the present invention comprises:
Casing;
The input mechanism that is connected with casing;
The AC servo motor that is connected with described input mechanism;
The output mechanism that is rotationally connected with described input mechanism;
The round grating measuring device structure that is connected with described output mechanism;
Wherein said input mechanism comprises power shaft, adjusts packing ring, dish spring, driving wheel;
Output mechanism comprises driven pulley, swelling adapter sleeve, output shaft;
Power shaft in the described input mechanism is connected with the AC servo motor of input calibration power, driving wheel in the input mechanism is formed two gear clearance eliminations with the driven pulley in the described output mechanism and is connected, again by the swelling adapter sleeve in the output mechanism, output shaft output calibration power.
Described input mechanism also comprises adjustment packing ring, the dish spring that is provided with on the power shaft; Adjustment packing ring, dish spring compress the pitch face of driving wheel and the pitch face of driven pulley.
The automatic anti-backlash indexing means that is used for digital control helical deep hole broaching machine of the present invention calculates the problems such as difficulty and precision are low of adjusting when preferably resolving the complex structure that exists in the prior art, Installation and Debugging difficulty, conversion product.Through test and application verification, the automatic anti-backlash indexing means cost that is used for digital control helical deep hole broaching machine of the present invention is low, safe, good reliability, and maintenance cost is low.
Description of drawings
Fig. 1 is the structural representation that is used for the automatic anti-backlash indexing means of digital control helical deep hole broaching machine of the present invention.
Among the figure, 1. casing 2. AC servo motors, 3. input mechanisms, 4. power shafts (51,52). adjust packing ring (61,62). dish spring (71,72). driving wheel 8. output mechanisms (91,92). driven pulley (101,102). swelling adapter sleeve 11. output shafts 12. circle grating measuring device structures
The specific embodiment
The present invention is described further below in conjunction with drawings and Examples.
The present invention is used for the automatic anti-backlash indexing means of digital control helical deep hole broaching machine, comprising:
Casing 1;
The input mechanism 3 that is connected with casing 1, input mechanism 3 comprise power shaft 4, adjust packing ring (51,52), dish spring (61,62), driving wheel (71,72);
The AC servo motor 2 that is connected with described input mechanism 3;
With the output mechanism 8 that described input mechanism 3 is rotationally connected, output mechanism 8 comprises driven pulley (91,92), swelling adapter sleeve (101,102), output shaft 11;
The round grating measuring device structure 12 that is connected with described output mechanism 8;
Described casing 1 provides the support of whole device;
Described AC servo motor 2 is as the calibration power source;
Described input mechanism 3 one ends are by AC servo motor 2 input power, and the other end is rotationally connected with described output mechanism 8 by power shaft 4, adjustment packing ring (51,52), dish spring (61,62), driving wheel (71,72), driven pulley (91,92), swelling adapter sleeve (101,102), output shaft 11;
Described round grating measuring device structure 12 provides closed loop to detect feedback information;
The present invention be used for digital control helical deep hole broaching machine the course of work of automatic anti-backlash indexing means as follows:
Casing 1 provides the support of whole device;
Control system input calibration signal is to AC servo motor 2;
AC servo motor 2 input calibration moments are to input mechanism 3;
Driving wheel in the input mechanism 3 (71,72) is formed bidentate wheel gap-eliminating structure jointly with driven pulley (91,92), and by adjusting packing ring (51,52), dish spring (61,62) under the situation of gear wear, promote driving wheel (71,72) axial slip, eliminate the backlash of driving wheel (71,72) and driven pulley (91,92) automatically after input calibration moment to output mechanism 8;
Circle grating measuring device structure 12 detects whether reach the requirement of control system calibration signal, and feeds back to control system, thereby makes AC servo motor 2 input calibration moments reach the calibration semaphore request;
Output mechanism 8 is by output shaft 11 output calibration moments, and hollow output shaft inside can feed cooling fluid or carry out another grade transmission.
Swelling adapter sleeve in the described output mechanism (8) (101,102) also can adopt flat key to connect or pin connects alternative.
The present invention be used for digital control helical deep hole broaching machine the automatic anti-backlash indexing means have following characteristics:
Utilize and adjust packing ring, disc spring pressing driving wheel, helical gear back lash is eliminated automatically, reach the purpose of automatic anti-backlash, transmission accuracy is higher; Use circle grating measuring device structure to form closed-loop system, precision is further improved; Simple in structure, driving-chain is shorter relatively, if use special-purpose eccentric shaft type reduction box further to streamline organizations, finally can realize high accuracy and high rigidity, for numerical control control provides good platform; Directly adopt AC servo motor itself to carry out calibration control, utilize the deceleration device and the closed-loop control of high accuracy big retarding ratio, realized the calibration control that the large torque high accuracy is exported, if use the then whole errors of division of special-purpose eccentric shaft type reduction box to depend on the back clearance of this reduction box; Adopt the swelling adapter sleeve to connect driven pulley and output shaft, the stress of avoiding using key to connect the back generation is concentrated, and not only simplifies the structure and can make output shaft bear bigger turning round and refuse; Output mechanism employing hollow shaft needs to feed cooling fluid or carry out another grade transmission in main shaft inside in many cases, and the present invention provides possibility for this concentric multiaxis control; Through using at present, available accuracy detect described in the axle head circular runout of output mechanism reach 0.01mm, end is approximately 0 to beating, the idle running torsion angle of indexing mechanism reaches 1arcmin.
Can realize the present invention according to the embodiment that the present invention announced, but enforcement of the present invention is not limited only to above embodiment, as substituting drive unit of the present invention to realize the present invention by other functionally similar drive units of employing.
Claims (3)
1. automatic anti-backlash indexing means that is used for digital control helical deep hole broaching machine, be included as casing (1) that whole device provides support, as the AC servo motor (2) of calibration power source, provide closed loop to detect the round grating measuring device structure (12) of feedback information, it is characterized in that: described device also comprises
The input mechanism (3) that is connected with casing (1);
The output mechanism (8) that is rotationally connected with described input mechanism (3);
Wherein said input mechanism (3) comprises power shaft (4), driving wheel (71,72);
Output mechanism (8) comprises driven pulley (91,92), output shaft (11);
Power shaft (4) in the described input mechanism (3) is connected with the AC servo motor (2) of input calibration power, driving wheel in the input mechanism (3) (71,72) is formed two gear clearance eliminations with the driven pulley (91,92) in the described output mechanism (8) and is connected, again by the swelling adapter sleeve (101,102) in the output mechanism (8), output shaft (11) output calibration power.
2. a kind of automatic anti-backlash indexing means that is used for digital control helical deep hole broaching machine according to claim 1 is characterized in that: described input mechanism (3) also comprises adjustment packing ring (51,52), the dish spring (61,62) that power shaft (4) upward is provided with; Adjustment packing ring (51,52), dish spring (61,62) compress the pitch face of driving wheel (71,72) and the pitch face of driven pulley (91,92).
3. a kind of automatic anti-backlash indexing means that is used for digital control helical deep hole broaching machine according to claim 1 is characterized in that: the swelling adapter sleeve in the described output mechanism (8) (101,102) adopts flat key to connect or pin connects alternative.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103106492A CN101716736B (en) | 2009-11-30 | 2009-11-30 | Automatic backlash-eliminating scale-dividing device used for numeral control helical deep hole broacher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103106492A CN101716736B (en) | 2009-11-30 | 2009-11-30 | Automatic backlash-eliminating scale-dividing device used for numeral control helical deep hole broacher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101716736A CN101716736A (en) | 2010-06-02 |
| CN101716736B true CN101716736B (en) | 2011-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103106492A Expired - Fee Related CN101716736B (en) | 2009-11-30 | 2009-11-30 | Automatic backlash-eliminating scale-dividing device used for numeral control helical deep hole broacher |
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| CN (1) | CN101716736B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720827B (en) * | 2012-07-06 | 2016-02-17 | 浙江中控太阳能技术有限公司 | A kind of heliostat tracking system backlash eliminating equipment |
| CN104174878A (en) * | 2014-07-30 | 2014-12-03 | 周玉梅 | Spindle device for vertical turning machine bed |
| CN117620285B (en) * | 2024-01-25 | 2024-05-28 | 廊坊市伊贝格机械有限公司 | Transmission clearance adjustment control method, control system, equipment and medium |
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2009
- 2009-11-30 CN CN2009103106492A patent/CN101716736B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101716736A (en) | 2010-06-02 |
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Owner name: MIANYANG WEIBO ELECTRONIC CO., LTD. Free format text: FORMER OWNER: NO.58 INSTITUTE OF CHINA NORTH INDUSTRIES GROUP CORPORATION Effective date: 20111226 |
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