CN102198637B - Angle adjustment mechanism for grinding wheel of numerical control grinding machine - Google Patents
Angle adjustment mechanism for grinding wheel of numerical control grinding machine Download PDFInfo
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- CN102198637B CN102198637B CN 201110103301 CN201110103301A CN102198637B CN 102198637 B CN102198637 B CN 102198637B CN 201110103301 CN201110103301 CN 201110103301 CN 201110103301 A CN201110103301 A CN 201110103301A CN 102198637 B CN102198637 B CN 102198637B
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- grinding wheel
- main shaft
- nut seat
- motor
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Abstract
The invention discloses an angle adjustment mechanism for a grinding wheel of a numerical control grinding machine. The angle adjustment mechanism for the grinding wheel of the numerical control grinding machine comprises a pedestal, a grinding wheel main shaft box, a motor and a ball screw, wherein the grinding wheel main shaft box can rotate around a first axis; the motor can rotate around a second axis, one end of a threaded rod of the ball screw is lined with the motor while the other end of the threaded rod is suspended freely, a nut seat of the ball screw is linked with the grinding wheel main shaft box, and the nut seat drives the grinding wheel main shaft box to rotate around the first axis while linearly moving on the threaded rod. The angle adjustment mechanism for the grinding wheel of the numerical control grinding machine is simple in implementation of control, high in rotation accuracy, high in angle adjustment accuracy, compact in structure and excellent in manufacturability, and can be widely used for grinding various work pieces; and meanwhile, conception of the angle adjustment mechanism for the grinding wheel of the numerical control grinding machine also can be used for other mechanical structures which are required to control angles accurately.
Description
Technical field
The present invention relates to numerically control grinder, particularly relate to a kind of device that is used to adjust numerically control grinder emery wheel angle.
Background technology
During grinding, need adjust the angle of inclination of emery wheel actual needs often.For example, carry out thread grinding for parts such as ball screws and add man-hour,, all need adjust the angle of inclination of emery wheel in vertical plane because its lead angle of ball screw of all size all has difference.At present, in common numerical control screw grinder, abrasive grinding wheel is installed in the grinding wheel stand; This grinding wheel stand is by a worm drive; Mode through the worm and gear transmission realizes the emery wheel angle adjustment, thereby realizes the adjustment of the angle of emery wheel in vertical plane, so that to the grinding of different size screw thread.Yet, when this kind of drive is adjusted the emery wheel angle, have many shortcomings.At first, the control accuracy of worm and gear transmission is low, thereby causes emery wheel angle adjustment precision low, needs adjustment repeatedly need could confirm the emery wheel angle; Secondly, have backlass during owing to the worm and gear transmission, worm screw needs to rotate earlier could drive turbine rotation for a moment during backward rotation, and transmission accuracy is low, has brought vibrations, impact and noise simultaneously, and the influence of angle adjustment precision is bigger.In addition, worm and gear will be realized relatively difficulty of high accuracy assembling, complex process.Therefore, it is actual that above-mentioned emery wheel angle adjustment mode can not satisfy present production, is necessary to make improvement.
Summary of the invention
The technical problem that the present invention will solve provides a kind of numerically control grinder emery wheel angle-adjusting mechanism.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of numerically control grinder emery wheel angle-adjusting mechanism comprises:
Pedestal has an installed surface on it;
The grinding wheel spindle case, it is rotatably installed on the pedestal, can rotate around a first axle perpendicular to said installed surface;
Motor, it is rotatably installed on the pedestal, and second axis that can wind perpendicular to said installed surface rotates;
Ball-screw, it comprises screw rod, nut, nut seat and ball, an end of said screw rod and the output shaft driving coupling of motor, by said motor-driven, other end freedom is unsettled;
Wherein, said nut seat connects with the grinding wheel spindle case, and said nut seat, first axle and the projection of second axis on said installed surface are a triangle, and when said nut seat moved on screw rod, it drove the grinding wheel spindle case and rotates around first axle.
With respect to prior art; The invention has the beneficial effects as follows: among the present invention; Said nut seat, first axle and the projection of second axis on said installed surface are a triangle; Based on above-mentioned connecting mode, can be concerned as follows: the connecting line between the first axle and second axis is this leg-of-mutton article one limit, and this edge lengths is fixed; First axle and the nut seat connecting line between the projection on the installed surface is this leg-of-mutton second limit, and this edge lengths is fixed; The connecting line of nut seat between the projection on the installed surface and second axis is this leg-of-mutton the 3rd limit, and the length on this limit is moved on screw rod along with nut seat and changed.At this moment, if will realize grinding wheel spindle case deflection certain angle, the angle that only needs to change between this triangle article one limit and the second limit gets final product.According to the cosine law, any angle is promptly known on known Atria bar limit.At this moment, only need the control ball-screw, change the length on the 3rd limit, can obtain accurate emery wheel drift angle, realize the adjustment of emery wheel angle.
The present invention have control realize simple, rotating accuracy is high, the angle adjustment precision high, the characteristics of compact conformation and good manufacturability; Can be widely used in the grinding of various workpiece; Simultaneously, design of the present invention also can be used for other needs the accurately frame for movement of control angle.
Technical scheme of the present invention also can be done following improvement:
As the improvement of technique scheme, said grinding wheel spindle case is fixed on the rotary main shaft that is arranged in the pedestal near a side of installed surface, and said rotary main shaft can be around said first axle rotation.
As the further improvement of technique scheme, said motor is installed in a pair of ear seat set on the pedestal, and the central lines of said second axis and said ear seat makes motor to turn round around second axis.As improvement, said motor is installed in the motor cabinet, and motor cabinet is installed in this ear seat.
Further improvement as technique scheme also comprises locking device, and it is used for the grinding wheel spindle case is locked at pedestal.
As the further improvement of technique scheme, said locking device is the locking hydraulic cylinder.
As the further improvement of technique scheme, said motor is the AC servomotor.
As the further improvement of technique scheme, said locking hydraulic cylinder is installed on the rear end of rotary main shaft, and is fixedly connected with rotary main shaft, is used to strain rotary main shaft, makes the grinding wheel spindle case be close on the installed surface.
Further improvement as technique scheme; Said grinding wheel spindle case other end arranged outside has the side buckle that stretches out from pedestal; The second locking hydraulic cylinder is installed on the said side buckle; The piston end of the said second locking hydraulic cylinder holds out against under action of hydraulic force on the side buckle, and its cylinder body end is towards the grinding wheel spindle case.
Further improvement as technique scheme; Connect through quill spindle between said nut seat and the grinding wheel spindle case; One end end face of the sleeve in the said quill spindle and the locking of grinding wheel spindle case end face, main shaft in the said quill spindle and nut seat are fixedly connected or are one-body molded with nut seat.
Description of drawings
Below in conjunction with accompanying drawing the present invention is described further:
Fig. 1 is embodiment perspective view of mechanism according to the invention;
Fig. 2 is the front view of mechanism among Fig. 1;
Fig. 3 is the rearview of mechanism among Fig. 1;
Fig. 4 is that the A-A of mechanism among Fig. 2 is to cutaway view;
Fig. 5 is that the B-B of mechanism among Fig. 2 is to cutaway view;
Fig. 6 is that the C-C of mechanism among Fig. 2 is to cutaway view.
The specific embodiment
Referring to figs. 1 through Fig. 3, an embodiment of numerically control grinder emery wheel angle-adjusting mechanism of the present invention, it comprises:
Grinding wheel spindle case 2, it is rotatably installed on the pedestal 1, can rotate around a first axle 20 perpendicular to said installed surface;
Ball-screw, it comprises screw rod 4, nut, nut seat 5 and ball, and an end of said screw rod 4 and the output shaft driving coupling of motor 3 are driven by said motor 3, and other end freedom is unsettled;
Wherein, Said nut seat 5 connects with grinding wheel spindle case 2; Said nut seat 5, first axle 20 and the projection of second axis 30 on said installed surface 11 are a triangle, and when said nut seat 5 moved on screw rod 4, it drove grinding wheel spindle case 2 and rotates around first axle.
Among the present invention; Said nut seat 5, first axle 20 and the projection of second axis 30 on said installed surface 11 are a triangle; Based on above-mentioned connecting mode; Can be concerned as follows: the connecting line between the first axle 20 and second axis 20 is this leg-of-mutton article one limit, and this edge lengths is fixed; First axle 20 and the connecting line of nut seat 5 between the projection on the installed surface 11 are this leg-of-mutton second limit, and this edge lengths is fixed; The connecting line of nut seat 5 between the projection on the installed surface and second axis is this leg-of-mutton the 3rd limit, and the length on this limit is moved on screw rod 4 along with nut seat 5 and changed.At this moment, if will realize grinding wheel spindle case 2 deflection certain angles, the angle that only needs to change between this triangle article one limit and the second limit gets final product.According to the cosine law, any angle is promptly known on known Atria bar limit.At this moment, only need the control ball-screw, change the length on the 3rd limit, can obtain accurate emery wheel drift angle, realize the adjustment of emery wheel 21 angles.
The above-mentioned course of work is specially: if need adjustment emery wheel angle, can utilize the cosine law to calculate the length on the 3rd limit according to two fixing angles of the length of side and needs; At this moment; The screw rod 4 of the driving parameter ball-screw that motor 3 can obtain moving rotates, thereby makes nut seat 5 straight line on screw rod 4 move the distance of reservation, because nut seat 5 connects with grinding wheel spindle case 2; When said nut seat 5 on screw rod 4 during rectilinear motion; It drives grinding wheel spindle case 2 and rotates around first axle 20, realizes that grinding wheel spindle case 2 rotates to predetermined angle, and the inclination angle of emery wheel 21 meets the grinding requirement.Simultaneously, because compound motion, motor 3 also can rotate to an angle around second axis 30.
The present invention have control realize simple, rotating accuracy is high, the angle adjustment precision high, the characteristics of compact conformation and good manufacturability; Can be widely used in the grinding of various workpiece; Simultaneously, design of the present invention also can be used for other needs the accurately frame for movement of control angle.
As preferred embodiment, said grinding wheel spindle case 2 is fixed on the rotary main shaft 7 that is arranged in the pedestal 1, and said rotary main shaft 7 can be around said first axle 20 rotations.More preferably, said rotary main shaft 7 is arranged in the installing hole in the pedestal 1 through bearing 71.Like this, whole main spindle box 2 is along with the rotation of rotary main shaft 7 realizes the purpose around first axle 20 rotations.
As preferred implementation, said motor 3 is installed in a pair of ear seat 12 set on the pedestal 1 through bearing pin, and the central lines of said second axis 30 and said ear seat 12 is to realize the purpose of motor 3 around 30 rotations of second axis.As improvement, said motor is installed in the motor cabinet, and motor cabinet is installed in this ear seat.And said motor 3 is preferably the AC servomotor, can control the rotation of motor very accurately, thereby realizes accurate localization.
As preferred implementation, this mechanism also comprises locking device, and it is used for grinding wheel spindle case 2 is locked at pedestal 1.More preferably, said locking device is locking hydraulic cylinder 6.
With reference to figure 4, above-mentioned locking hydraulic cylinder 6 can be installed on the rear end of rotary main shaft 7, and is fixedly connected with rotary main shaft 7, is used to strain rotary main shaft 7, makes grinding wheel spindle case 2 be close to installed surface 11, realizes the locking purpose.
With reference to figure 5; Preferably; Said grinding wheel spindle case 2 other end arranged outside have the side buckle 9 that stretches out from pedestal 1; The second locking hydraulic cylinder is installed on the said side buckle 9, and the piston end 61 of the said second locking hydraulic cylinder holds out against under action of hydraulic force on side buckle 9, and its cylinder body end 62 is towards grinding wheel spindle case 2.Like this; When passing through oil fuel tube 40, because its piston end 61 holds out against on side buckle 9, therefore to this locking hydraulic cylinder 6 injection pressures oil; The pressure that fluid produced reacts on its cylinder body end 62; Promote cylinder body end 62 and move, and grinding wheel spindle case 2 is pressed on the installed surface 11 of pedestal 1, realize the locking of grinding wheel spindle case 2 to grinding wheel spindle case 2.
The embodiment that the present invention provides a kind of preferable nut seat 5 to connect with grinding wheel spindle case 2, so that nut seat 5 is when moving on screw rod 4, it drives grinding wheel spindle case 2 and rotates around first axle 20.With reference to figure 6; Connect through quill spindle between said nut seat 5 and the grinding wheel spindle case 2; Described quill spindle comprises that a sleeve 81 and one are with bearings rotating main shaft 82 in sleeve 81; One end end face of said sleeve 81 and the locking of grinding wheel spindle case 2 end faces, said main shaft 82 is fixedly connected with nut seat 5 or is one-body molded with nut seat 5.For example, as shown in Figure 6, nut seat 5 right half parts itself are that a main shaft 82 is (with bearing 83; 84 inner rings compress), the flange installed surface of sleeve 81 (compressing with bearing 83,84 outer rings) directly is locked at above the grinding wheel spindle case 2; In the cause bearing 83,84 is arranged; So nut seat 5 (its also be main shaft 82 simultaneously) turns with 81 in sleeve, that is, and its bearing just in essence of so-called quill spindle.
Certainly; The invention is not limited to above-mentioned embodiment; Those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite of spirit of the present invention, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (7)
1. a numerically control grinder emery wheel angle-adjusting mechanism is characterized in that, comprising:
Pedestal (1) has an installed surface (11) on it;
Grinding wheel spindle case (2), it is rotatably installed on the pedestal (1), can rotate around a first axle perpendicular to said installed surface (11);
Motor (3), it is rotatably installed on the pedestal (1), and second axis that can wind perpendicular to said installed surface (11) rotates;
Ball-screw, it comprises screw rod (4), nut, nut seat (5) and ball, and the output shaft driving coupling of an end of said screw rod (4) and motor (3) is driven by said motor (3), and other end freedom is unsettled;
Wherein, Connect through quill spindle between said nut seat (5) and the grinding wheel spindle case (2); Described quill spindle comprises that a sleeve (81) and one are with bearings rotating main shaft (82) in sleeve (81); One end end face of said sleeve (81) and the locking of grinding wheel spindle case (2) end face; Said main shaft (82) is fixedly connected with nut seat (5) or is one-body molded with nut seat (5); Said nut seat (5), first axle and second axis are a triangle after the point that the last projection of said installed surface (11) is become joins end to end, thereby when said nut seat (5) moved on screw rod (4), it drove grinding wheel spindle case (2) and rotates around first axle.
2. numerically control grinder emery wheel angle-adjusting mechanism according to claim 1 is characterized in that: said grinding wheel spindle case (2) is fixed on the rotary main shaft (7) that is arranged in the pedestal (1), and said rotary main shaft (7) can be around said first axle rotation.
3. numerically control grinder emery wheel angle-adjusting mechanism according to claim 1 and 2 is characterized in that: said motor (3) is installed in pedestal (1) and goes up in the set a pair of ear seat (12), the central lines of said second axis and said ear seat (12).
4. numerically control grinder emery wheel angle-adjusting mechanism according to claim 3 is characterized in that: also comprise locking device, it is used for grinding wheel spindle case (2) is locked at pedestal (1).
5. numerically control grinder emery wheel angle-adjusting mechanism according to claim 4 is characterized in that: said locking device is locking hydraulic cylinder (6).
6. numerically control grinder emery wheel angle-adjusting mechanism according to claim 1 and 2 is characterized in that: said motor (3) is the AC servomotor.
7. numerically control grinder emery wheel angle-adjusting mechanism according to claim 5; It is characterized in that: said locking hydraulic cylinder (6) is installed on the rear end of rotary main shaft (7); And be fixedly connected with rotary main shaft (7); Be used to strain rotary main shaft (7), make grinding wheel spindle case (2) be close to installed surface (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110103301 CN102198637B (en) | 2011-04-25 | 2011-04-25 | Angle adjustment mechanism for grinding wheel of numerical control grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110103301 CN102198637B (en) | 2011-04-25 | 2011-04-25 | Angle adjustment mechanism for grinding wheel of numerical control grinding machine |
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| CN102198637A CN102198637A (en) | 2011-09-28 |
| CN102198637B true CN102198637B (en) | 2012-12-26 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5988765B2 (en) * | 2012-08-13 | 2016-09-07 | ダイトエレクトロン株式会社 | Wafer chamfering method, wafer chamfering apparatus, and jig for angle adjustment |
| CN103817576B (en) * | 2012-11-16 | 2016-08-03 | 有研半导体材料有限公司 | A kind of angle adjuster |
| DE102016012915B4 (en) * | 2016-10-21 | 2018-07-26 | KAPP Werkzeugmaschinen GmbH | Wiper arm for grinding internally profiled workpieces with a grinding wheel |
| CN107900907B (en) * | 2017-11-23 | 2023-08-01 | 无锡机床股份有限公司 | Micro-feeding device for grinding machine |
| CN110000699A (en) * | 2019-04-28 | 2019-07-12 | 广东省汉兴科技有限公司 | Five-axle linkage cutter sharpener |
| WO2021175397A1 (en) * | 2020-03-03 | 2021-09-10 | Inelco A/S | Bench grinder apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE4108223A1 (en) * | 1991-03-14 | 1992-09-17 | Blohm Maschinenbau Gmbh | Slideway cover for grinding machine, etc. - has cover driven synchronously with slide by chain system attached to slide in plane of lead-screw |
| JPH08229789A (en) * | 1995-02-21 | 1996-09-10 | Aichi Steel Works Ltd | Device and method for polishing end face of round material |
| CN2275006Y (en) * | 1996-12-25 | 1998-02-25 | 长沙湘华兴电器有限公司 | Grinding head device for single plate inclined connected grinding machine tool capable of multi-way regulation |
| CN101264581B (en) * | 2008-04-24 | 2010-12-15 | 昆山华辰机器制造有限公司 | Heavy type numerically-controlled roll grinding machine high order curve automatically grinding device |
| CN202106304U (en) * | 2011-04-25 | 2012-01-11 | 广州市敏嘉制造技术有限公司 | Grinding wheel angle adjusting mechanism of numerically controlled grinder |
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Denomination of invention: Grinding wheel angle adjustment mechanism of NC grinder Effective date of registration: 20220117 Granted publication date: 20121226 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Panyu branch Pledgor: Guangzhou City Agile Manufacturing Co.,Ltd. Registration number: Y2022980000629 |