CN204450169U - The accurate whole ball numerical control top gem of a girdle-pendant of a kind of follow-on four axles grinds machine - Google Patents
The accurate whole ball numerical control top gem of a girdle-pendant of a kind of follow-on four axles grinds machine Download PDFInfo
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- CN204450169U CN204450169U CN201520108212.1U CN201520108212U CN204450169U CN 204450169 U CN204450169 U CN 204450169U CN 201520108212 U CN201520108212 U CN 201520108212U CN 204450169 U CN204450169 U CN 204450169U
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Abstract
The utility model discloses the accurate whole ball numerical control top gem of a girdle-pendant of a kind of follow-on four axles and grind machine, comprise the bracket of carefully and neatly done ball part to be added, 3 inclination main shafts in certain space angle and 1 vertical major, inclination main shaft and vertical major include honing head, elasticity accommodates chuck, motor and pedestal, honing head is fixed on elasticity and accommodates on chuck, elasticity accommodates chuck and is arranged on machine shaft, described honing head is fixed on elasticity and accommodates on chuck, and rotate with motor in synchrony, make honing head closely be close to whole ball part all the time and carry out grinding.It is simple to operation that the accurate whole ball numerical control top gem of a girdle-pendant of relatively original four axles of the utility model grinds machine, processing cost is low, less demanding to the technical merit of operating personnel, be more suitable for the spherical processing of multiple material, multi items, many specifications, single and mini-batch production, and grinding accuracy is high, efficiency is high.
Description
Technical field
The utility model belongs to machine components technical field of processing equipment, relates to a kind of accurate whole ball numerical control top gem of a girdle-pendant of four axles for the accurate whole ball part of Ultra-precision Turning and grinds machine.
Background technology
Accurate whole ball part is the precision optical machinery basic part of mechanical engineering field extensive use, the precision ball method for processing surface traditional at mechanical processing industry grinds mostly by hand to single-piece, small lot, to bearing ball steel ball grinding in enormous quantities machined, steel ball lapping machine is made up of the abrasive disk of upper and lower two motions for the relative rotation.Between upper and lower two grinding square positions, place steel ball, spheroid rolls along the V-type raceway groove of lower abrasive disk, and top lap press against that steel ball is for the relative rotation adds translational motion, and often coil and can place up to ten thousand steel balls, ultraprecision grinding one coils steel ball and about needs 20 days.Along with the develop rapidly of science and technology, all there is various different requirement to the material, kind, precision, quantity etc. of the whole ball part of precision, particularly more and more come high to the requirement of sphere precision, bring up to 0.0001mm from the circularity 0.001mm in past.Modern whole ball Precision Machining has formed the trend of high accuracy, high efficiency, multi items, many specifications, single and mini-batch production, large quantities of zero method for processing steel ball of traditional precision can not have been met the need of market and the demand of scientific technological advance, in this context, research and develop a kind ofly adapt to single-piece, small lot, various material, various sizes specification, high accuracy, efficient accurate whole ball Ultra-precision Turning equipment have become the whole ball processing of current ultraprecise in the urgent need to.
The process principle grinding machine from the accurate whole ball numerical control top gem of a girdle-pendant of four axles requires that honing head must have certain spring function, at present in order to realize this spring function, the chuck of clamping honing head mostly have employed elastic metallic shaft coupling, in long-term process, owing to repeatedly changing bistrique, shaft coupling is easily out of shape, and elasticity also easily changes, and have impact on the centring property of honing head, reduce sphere machining accuracy, elastic metallic shaft coupling has become wear-and-tear parts, adds processing cost, reduces working (machining) efficiency.The accurate whole ball numerical control top gem of a girdle-pendant of four current axles grinds machine and is made up of four machining spindles, and act on processed sphere, handling part need be installed with manual screw mechanism feeding, returns and unloads card simultaneously, have impact on working (machining) efficiency greatly, also have impact on accuracy of alignment and machining accuracy.
Utility model content
The purpose of this utility model be to provide a kind of principle advanced person, high efficiency, precision high, simple to operate, can process multiple material, multi items, many specifications, single and mini-batch production the accurate whole ball numerical control top gem of a girdle-pendant of follow-on four axles of one grind machine.
The technical solution of the utility model is as follows: the collet numerical control top gem of a girdle-pendant being ground machine is improved to elasticity by original metallic elastic shaft joint and accommodates chuck, and the mechanism of simultaneously original manual leading screw being loaded and unloaded whole ball part is improved to pneumatic automatic card-loading mechanism, is specially:
The accurate whole ball numerical control top gem of a girdle-pendant of a kind of follow-on four axles grinds machine, comprise the bracket of carefully and neatly done ball part to be added, 3 inclination main shafts in certain space angle and 1 vertical major, described inclination main shaft and vertical major include honing head, elasticity accommodates chuck, motor and pedestal, described honing head is fixed on elasticity and accommodates on chuck, described elasticity accommodates chuck and is arranged on machine shaft, described honing head is fixed on elasticity and accommodates on chuck, and rotate with motor in synchrony, make honing head closely be close to whole ball part all the time and carry out grinding.
The accurate whole ball numerical control top gem of a girdle-pendant of above-mentioned follow-on four axles grinds in machine, and elasticity accommodates chuck and comprises elastic slide block, honing head support, position-limitting pin and stage clip, described honing head support is the tubular structure of front opening, and rear end is fixed on the middle part of machine shaft, described elastic slide block is the tube-in-tube structure that middle part comprises outer lug boss, front end and honing head connect firmly, rear end is socketed on machine shaft with matched in clearance, the outer lug boss at middle part is then socketed in the front end bore of honing head support with matched in clearance, the position that described honing head support contacts with described outer lug boss has axially rectangular through hole, described position-limitting pin is through the described rectangular through hole of axis, and be fixed on described outer lug boss place, described stage clip is crimped between honing head support and elastic slide block, described elasticity accommodates chuck can under the effect of stage clip, honing head is moved forward and backward, and rotate with motor in synchrony.
The accurate whole ball numerical control top gem of a girdle-pendant of above-mentioned follow-on four axles grinds in machine, and described bracket is pneumatic carriage.
The accurate whole ball numerical control top gem of a girdle-pendant of above-mentioned follow-on four axles grinds in machine, and the motor of described inclination main shaft is fixed on machine support, and described electric machine support is fixed on Pneumatic slid platform, and described Pneumatic slid platform is fixed on pedestal.
The accurate whole ball numerical control top gem of a girdle-pendant of above-mentioned follow-on four axles grinds in machine, and described vertical major adopts precision lead screw to drive displacement vertically.
Compared with prior art, the advantage that the utility model has is:
1, the utility model is compared the accurate whole ball numerical control top gem of a girdle-pendant of original four axles and is ground that machine grinding accuracy is high, efficiency is high.
2, to grind machine simple to operation for the accurate whole ball numerical control top gem of a girdle-pendant of relatively original four axles of the utility model, and processing cost is low, less demanding to the technical merit of operating personnel, is more suitable for the spherical processing of multiple material, multi items, many specifications, single and mini-batch production.
Accompanying drawing explanation
The accurate whole ball numerical control top gem of a girdle-pendant of Fig. 1 the utility model four axle grinds machine general structure schematic diagram;
The honing head elasticity of Fig. 2 the utility model sloping shaft 1 accommodates chuck schematic diagram;
The general structure schematic diagram of Fig. 3 the utility model inclination main shaft one.
Reference numeral is as follows:
1, inclination main shaft one; 2, be inclination main shaft two; 3, be inclination main shaft three; 4, vertical major; 5, bracket; 7, whole ball part; 1-1, honing head; 1-2 elastic slide block; 1-3 honing head support; 1-4 position-limitting pin; 1-5 stage clip; 1-6 motor; 9, electric machine support; 10, Pneumatic slid platform; 11, pedestal.
Detailed description of the invention
Below with reference to accompanying drawing, the utility model content is described further, but practical structures of the present utility model is not limited in following embodiment.
As shown in Figure 1, the accurate whole ball numerical control top gem of a girdle-pendant of four axles of the present utility model grinds machine and becomes the main shaft of certain space angle and pneumatic carriage 5 to form by four, 4 main shafts are inclination main shaft 1, inclination main shaft 22, inclination main shaft 33 (not drawing in Fig. 1) and vertical major 4 respectively, two lines of geometric center and four drift angles that the space angle of main shaft presses positive tetrahedron design, and the geometric center of positive tetrahedron is the processed whole ball centre of sphere.Honing head on four main shafts points to the whole ball centre of sphere.The Mathematical Modeling setting that the velocity of rotation of four main shafts, rotation direction, pressure, time series pattern are analyzed by applied mechanics.The accurate whole ball numerical control top gem of a girdle-pendant of four axles grind machine can attrition process again can Honing process.
Four main shafts include honing head 1-1, elasticity blessing chuck, motor 8 and pedestal 11, honing head (1-1) is fixed on elasticity and accommodates on chuck, elasticity accommodates chuck and is arranged on machine shaft 1-6, honing head 1-1 is fixed on elasticity and accommodates on chuck, and rotate with motor in synchrony, make honing head closely be close to whole ball part all the time and carry out grinding.
Honing head on four main shafts presses to the whole ball centre of sphere, and vertical major 4 drives feeding by precision lead screw, and displacement is Z4.Drive the pneumatic displacement of 3 inclination main shafts of feeding to be respectively X1, X2, X3 with Pneumatic precision slide unit, 3 mutually isostructural inclination main shafts are in 120 ° of even circumferential distributions, inclination main shaft angle is 19.47 °, whole ball part is surrounded a positive tetrahedron by the honing head of four main shaft drives, four equal wheelhead pressures are closely wrapped in whole ball part, the centre of sphere is the geometric center of positive tetrahedron, under the leading screw power displacement Z4, gentle dynamic displacement X1, X2, X3 effect of 4 main shafts of equilibrium, achieve four-spindle automatic determination centre of sphere function.Four main shafts are respectively by four independently alternating-current permanent-magnet servo motor drivings, and the velocity of rotation of four main shafts, rotation direction, pressure, time series pattern are controlled by DSP control system by the Mathematical Modeling of applied mechanics analysis.
The honing head elasticity that four structures of four main shafts are identical accommodates chuck blessing honing head with the rotational speed of setting, the whole ball part of grinding.Whole ball part turns in motion with certain rotating speed and six spaces.Chuck blessing honing head is accommodated owing to have employed elasticity of the present utility model, when whole ball part locus changes, accommodate the resilient force of chuck in elasticity under, meeting real-time tracking change in displacement, honing head is closely added all the time and holds whole ball part, ensure Even Grinding, uniform wear, thus ensure sphere machining accuracy and surface roughness.
In Fig. 1, the vertical pneumatic displacement of pneumatic carriage 5 is Z5, in automatic card-loading whole ball part process, manually whole ball part is placed on pneumatic carriage 5, DSP control system upwards can push whole ball part to sphere center position automatically, whole ball part is jointly accommodated with the bistrique of vertical major 4, and be positioned at sphere center position, three inclination main shafts 1 subsequently, 2, 3 under the promotion of Pneumatic slid platform, jointly whole ball part is accommodated with the bistrique of vertical major 4 and pneumatic carriage 5, pneumatic carriage 5 returns to original initial position subsequently again, whole pneumatic automatic card-loading process completes, in like manner, move back and unload the inverse process that whole ball part is the whole ball part of automatic card-loading.The relatively original manual leading screw of the pneumatic automatic card-loading whole ball part that is installed is simple to operation, and positioning precision is high, and processing cost is low, less demanding to the technical merit of operating personnel.
As shown in Figure 2, it is identical that honing head elasticity on four main shafts described in the utility model accommodates chuck structure, only accommodate chuck with the honing head elasticity of sloping shaft 1 here to illustrate, honing head elasticity accommodates chuck and is made up of honing head 1-1, elastic slide block 1-2, honing head support 1-3, position-limitting pin 1-4, stage clip 1-5, alternating-current permanent-magnet servo motor 1-6.Honing head support 1-3 is the tubular structure of front opening, and rear end is fixed on the middle part of machine shaft 1-6, elastic slide block 1-2 is the tube-in-tube structure that middle part comprises outer lug boss, front end and honing head 1-1 connect firmly, rear end is socketed on machine shaft 1-6 with matched in clearance, the outer lug boss at middle part is then socketed in matched in clearance in the front end bore of honing head support 1-3, the position that honing head support 1-3 contacts with described outer lug boss has axially rectangular through hole, position-limitting pin 1-4 is through the described rectangular through hole of axis, and be fixed on described outer lug boss place, stage clip 1-5 is crimped between honing head support 1-3 and elastic slide block 1-2, elasticity accommodates chuck can under the effect of stage clip 1-5, honing head 1-1 is moved forward and backward, and rotate with motor in synchrony.
Honing head support rigidity be arranged on alternating-current permanent-magnet servo motor shaft extension 1-6, under the thrust of compression spring 1-5, honing head elastic slide block 1-2 drives honing head 1-1 to press to whole ball part, promote honing head 1-1 and press to the centre of sphere, honing head 1-1 is adjacent to sphere all the time in accurate hone processing course, define the adaptive mechanism that a centre of sphere displacement and the negative-feedback of stage clip 1-5 pressure regulate automatically, from the displacement of the motion tracking whole ball part centre of sphere, honing head 1-1 is made to be adjacent to sphere all the time in precision machining processes.Two honing head slide block position-limitting pin 1-4 are arranged on honing head slide block 1-2, honing head slide block position-limitting pin 1-4 is limited in the gathering sill 1-3 of honing head support, gathering sill defines honing head slide block position-limitting pin 1-4 and can move axially along gathering sill, limit honing head slide block position-limitting pin 1-4 to move radially along gathering sill, can only transmission radial rotating moment, band rotary bistrique 1-1 rotates.
The feature that honing head elasticity of the present utility model accommodates chuck is, when whole ball part centre of sphere locus changes, accommodate the resilient force of chuck in elasticity under, meeting real-time tracking centre of sphere change in displacement, honing head is made closely to be close to whole ball part all the time, ensure Even Grinding, uniform wear, thus ensure sphere machining accuracy and surface roughness.
The accurate whole ball numerical control top gem of a girdle-pendant of four axles grinds the machine top gem of a girdle-pendant and grinds machine and have 3 inclination main shafts and 1 vertical major, in the accurate hone processing course of whole ball sphere, once sphere diameter is determined, the sphere center position of vertical major is along with just being determined, no longer adjust in following process process, so be fixing, in whole ball part automatic card-loading process, vertical major is motionless.3 identical inclination main shafts are driven automatically by Pneumatic slid platform, only illustrate with the general structure schematic diagram of its medium dip main shaft 1 here.
As shown in Figure 3, the automatic card mount device of inclination main shaft is made up of honing head 1-1, the whole ball 7 of processed precision, self adaptation honing head assembly, main shaft alternating-current permanent-magnet servo motor 8, electric machine support 9, Pneumatic slid platform 10, space inclined base 11.The automatic card mount device of inclination main shaft is made up of two parts, and a part is principle axis shafting, is made up of honing head 1-1, self adaptation honing head assembly, spindle servo electric machine 1-6 system; Another part is pneumatic feed mechanism, is made up of alternating-current permanent-magnet servo motor support 9, Pneumatic slid platform 10, space inclined base 11; The Pneumatic slid platform 10 of pneumatic feed mechanism is arranged in space inclined base 11, under pneumatic action, drive alternating-current permanent-magnet servo motor support 9 along the tilt axis feeding of space inclined base 11, pneumatic displacement is X1, X1 is the technological parameter set according to the sphere diameter of whole ball part, Pneumatic slid platform 10 is provided with stop screw, adjustment stop screw, ensure the accuracy of pneumatic displacement X1, the stop screw of inclination main shaft two and inclination main shaft three must be adjusted simultaneously, ensure the pneumatic displacement X1=X2=X3 of 3 inclination main shafts, ensure that sphere center position is accurate.
The sequential of automatic card mount device dress part is:
One, to have adjusted to zero-bit motionless for vertical major;
Two, pneumatic carriage holds up whole ball part and vertical major 4 and jointly accommodates and locate whole ball part;
Three, three inclination main shafts are simultaneously pneumatic is fed into the stop screw position of adjusting in advance, and the honing head elasticity of 4 main shafts accommodates chuck and jointly accommodates whole ball part with honing head;
Four, complete pneumatic carriage and return original position, the release of automatic card-loading whole ball part.
Automatically the inverse process that the sequential of unloading part is dress part is moved back:
One, to have adjusted to zero-bit motionless for vertical major;
Two, pneumatic carriage rises, and again holds up whole ball part;
Three, three inclination main shafts are simultaneously pneumatic falls back on original position, is jointly accommodated locate whole ball part by pneumatic carriage and vertical major;
Four, pneumatic carriage returns original position with whole ball part;
Five, manually take whole ball part away, automatically move back and unload the release of whole ball part, iterative cycles like this, realize the whole ball part of automatic loading and unloading.
The utility model adopts novel honing head chuck structure and pneumatic automatic card-loading machine structure, chuck structure has elasticity automatic regulation function, can from the displacement of the motion tracking whole ball part centre of sphere, honing head is made closely to be close to whole ball part all the time, ensure Even Grinding, uniform wear, thus ensure sphere machining accuracy and surface roughness; The relatively original manual leading screw of the pneumatic automatic card-loading whole ball part that is installed is simple to operation, and positioning precision is high, and processing cost is low, less demanding to the technical merit of operating personnel.
Claims (6)
1. the accurate whole ball numerical control top gem of a girdle-pendant of follow-on four axles grinds machine, comprise the bracket (5) of carefully and neatly done ball part to be added, 3 inclination main shafts (1 in certain space angle, 2, 3) and 1 vertical major (4), it is characterized in that: described inclination main shaft (1, 2, 3) and vertical major (4) include honing head (1-1), elasticity accommodates chuck, motor (8) and pedestal (11), described honing head (1-1) is fixed on elasticity and accommodates on chuck, described elasticity accommodates chuck and is arranged on machine shaft (1-6), described honing head (1-1) is fixed on elasticity and accommodates on chuck, and rotate with motor in synchrony, make honing head closely be close to whole ball part all the time and carry out grinding.
2. the accurate whole ball numerical control top gem of a girdle-pendant of follow-on four axles according to claim 1 grinds machine, it is characterized in that: described elasticity accommodates chuck and comprises elastic slide block (1-2), honing head support (1-3), position-limitting pin (1-4) and stage clip (1-5), the tubular structure that described honing head support (1-3) is front opening, rear end is fixed on the middle part of machine shaft (1-6), described elastic slide block (1-2) comprises the tube-in-tube structure of outer lug boss for middle part, front end and honing head (1-1) connect firmly, rear end is socketed on machine shaft (1-6) with matched in clearance, the outer lug boss at middle part is then socketed in matched in clearance in the front end bore of honing head support (1-3), the position that described honing head support (1-3) contacts with described outer lug boss has axially rectangular through hole, described position-limitting pin (1-4) is through the rectangular through hole of described axis, and be fixed on described outer lug boss place, described stage clip (1-5) is crimped between honing head support (1-3) and elastic slide block (1-2), described elasticity accommodates chuck can under the effect of stage clip (1-5), honing head (1-1) is moved forward and backward, and rotate with motor in synchrony.
3. the accurate whole ball numerical control top gem of a girdle-pendant of follow-on four axles according to claim 1 grinds machine, it is characterized in that: described bracket (5) is pneumatic carriage.
4. the accurate whole ball numerical control top gem of a girdle-pendant of follow-on four axles according to claim 1 grinds machine, it is characterized in that: the motor (8) of described inclination main shaft (1,2,3) is fixed on electric machine support (9), described electric machine support (9) is fixed on Pneumatic slid platform (10), and described Pneumatic slid platform (10) is fixed on pedestal (11).
5. the accurate whole ball numerical control top gem of a girdle-pendant of follow-on four axles according to claim 1 grinds machine, it is characterized in that: described vertical major (4) adopts precision lead screw to drive displacement vertically.
6. the accurate whole ball numerical control top gem of a girdle-pendant of follow-on four axles according to claim 1 grinds machine, it is characterized in that: described motor (8) is alternating-current permanent-magnet servo motor.
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| CN201520108212.1U CN204450169U (en) | 2015-02-13 | 2015-02-13 | The accurate whole ball numerical control top gem of a girdle-pendant of a kind of follow-on four axles grinds machine |
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| CN201520108212.1U CN204450169U (en) | 2015-02-13 | 2015-02-13 | The accurate whole ball numerical control top gem of a girdle-pendant of a kind of follow-on four axles grinds machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175579A (en) * | 2016-03-10 | 2017-09-19 | 宁夏银川大河数控机床有限公司 | A kind of four-axle type honing machine spindle reciprocating telecontrol equipment |
| CN108890448A (en) * | 2018-09-10 | 2018-11-27 | 昆山市洛基苏产品整合设计有限公司 | A kind of multi-shaft processing machine |
| CN109290864A (en) * | 2018-11-10 | 2019-02-01 | 厦门大学嘉庚学院 | Small tyre processing unit (plant) and application method |
| CN109483394A (en) * | 2018-09-13 | 2019-03-19 | 西安航晨机电科技股份有限公司 | Hemispherical resonator ultraprecise device for machining spherical surface and processing method |
| CN115464545A (en) * | 2022-09-19 | 2022-12-13 | 湖北利锐特精密机电设备有限公司 | Floating type servomotor driven excircle honing head |
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2015
- 2015-02-13 CN CN201520108212.1U patent/CN204450169U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175579A (en) * | 2016-03-10 | 2017-09-19 | 宁夏银川大河数控机床有限公司 | A kind of four-axle type honing machine spindle reciprocating telecontrol equipment |
| CN107175579B (en) * | 2016-03-10 | 2023-11-17 | 宁夏银川大河数控机床有限公司 | Spindle reciprocating motion device of four-axis honing machine |
| CN108890448A (en) * | 2018-09-10 | 2018-11-27 | 昆山市洛基苏产品整合设计有限公司 | A kind of multi-shaft processing machine |
| CN109483394A (en) * | 2018-09-13 | 2019-03-19 | 西安航晨机电科技股份有限公司 | Hemispherical resonator ultraprecise device for machining spherical surface and processing method |
| CN109483394B (en) * | 2018-09-13 | 2023-12-12 | 西安航晨机电科技股份有限公司 | Ultra-precise spherical surface machining device and method for hemispherical harmonic oscillator |
| CN109290864A (en) * | 2018-11-10 | 2019-02-01 | 厦门大学嘉庚学院 | Small tyre processing unit (plant) and application method |
| CN115464545A (en) * | 2022-09-19 | 2022-12-13 | 湖北利锐特精密机电设备有限公司 | Floating type servomotor driven excircle honing head |
| CN115464545B (en) * | 2022-09-19 | 2023-09-05 | 湖北利锐特精密机电设备有限公司 | Floating type servo motor driven excircle honing head |
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