CN202106304U - Grinding wheel angle adjusting mechanism of numerically controlled grinder - Google Patents
Grinding wheel angle adjusting mechanism of numerically controlled grinder Download PDFInfo
- Publication number
- CN202106304U CN202106304U CN2011201234111U CN201120123411U CN202106304U CN 202106304 U CN202106304 U CN 202106304U CN 2011201234111 U CN2011201234111 U CN 2011201234111U CN 201120123411 U CN201120123411 U CN 201120123411U CN 202106304 U CN202106304 U CN 202106304U
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- grinding wheel
- adjusting mechanism
- nut seat
- wheel spindle
- spindle case
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Abstract
The utility model discloses a grinding wheel angle adjusting mechanism of a numerically controlled grinder, which includes a base, a grinding wheel spindle box, a motor and a ball screw; the grinding wheel spindle box can rotate about a first axis; the motor can rotate about a second axis; a screw rod end of the ball screw is linked with the motor and the other end is freely suspended; a nut seat of the ball screw is linked with the grinding wheel spindle box; and when the nut seat performs a linear motion on the screw rod, the nut seat drives the grinding wheel spindle box to rotate about the first axis. The grinding wheel angle adjusting mechanism is easy to control, high in rotation precision, high in angle adjustment precision, compact in size and good in manufacturability, and can be widely applied to grinding machining for various workpieces; and meanwhile, a design of the utility model is able to be used for other mechanical structures requiring accurate angle control.
Description
Technical field
The utility model relates to numerically control grinder, particularly relates 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.
The utility model content
The technical problem that the utility model will solve provides a kind of numerically control grinder emery wheel angle-adjusting mechanism.
The utility model solves the technical scheme that its technical problem adopted:
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 beneficial effect of the utility model is: in the utility model; 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 utlity model has 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.
The technical scheme of the utility model 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 utility model is described further:
Fig. 1 is embodiment perspective view of the said mechanism of the utility model;
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 the described numerically control grinder emery wheel of the utility model angle-adjusting mechanism, 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.
In the utility model; 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 utlity model has 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 utility model 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 the utility model spirit, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (9)
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, Said nut seat (5) connects with grinding wheel spindle case (2); The projection on said installed surface (11) of said nut seat (5), first axle and second axis is a triangle; 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. numerical control screw grinder emery wheel angle-adjusting mechanism according to claim 1 and 2; It 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).
8. numerically control grinder emery wheel angle-adjusting mechanism according to claim 7; It is characterized in that: said grinding wheel spindle case (2) other end arranged outside has the side buckle (9) that stretches out from pedestal (1); The second locking hydraulic cylinder is installed on the said side buckle (9); 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).
9. numerically control grinder emery wheel angle-adjusting mechanism according to claim 1 and 2; It is characterized in that: connect through quill spindle between said nut seat (5) and the grinding wheel spindle case (2); One end end face of the sleeve in the said quill spindle (81) and the locking of grinding wheel spindle case (2) end face, the main shaft in the said quill spindle (82) is fixedly connected with nut seat (5) or is one-body molded with nut seat (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201234111U CN202106304U (en) | 2011-04-25 | 2011-04-25 | Grinding wheel angle adjusting mechanism of numerically controlled grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201234111U CN202106304U (en) | 2011-04-25 | 2011-04-25 | Grinding wheel angle adjusting mechanism of numerically controlled grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202106304U true CN202106304U (en) | 2012-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201234111U Expired - Fee Related CN202106304U (en) | 2011-04-25 | 2011-04-25 | Grinding wheel angle adjusting mechanism of numerically controlled grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202106304U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198637A (en) * | 2011-04-25 | 2011-09-28 | 广州市敏嘉制造技术有限公司 | Angle adjustment mechanism for grinding wheel of numerical control grinding machine |
| CN105215484A (en) * | 2015-09-24 | 2016-01-06 | 上海大学 | A kind of internal thread grinding machine grinding carriage dip angle adjusting mechanism |
| CN106181627A (en) * | 2016-07-15 | 2016-12-07 | 郑世浦 | A kind of equipment for grinding manually adjusting grinding angle |
| CN106181628A (en) * | 2016-07-15 | 2016-12-07 | 郑世浦 | A kind of grinding attachment using manual manipulation |
| CN107775460A (en) * | 2017-11-22 | 2018-03-09 | 浙江丰立智能科技股份有限公司 | A kind of workpiece established angle alignment device of small mode number spiral bevel gear milling cutter blade milling machine |
| CN111168487A (en) * | 2020-01-15 | 2020-05-19 | 温岭市玲荣工具股份有限公司 | Numerical control thread grinder |
-
2011
- 2011-04-25 CN CN2011201234111U patent/CN202106304U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198637A (en) * | 2011-04-25 | 2011-09-28 | 广州市敏嘉制造技术有限公司 | Angle adjustment mechanism for grinding wheel of numerical control grinding machine |
| CN105215484A (en) * | 2015-09-24 | 2016-01-06 | 上海大学 | A kind of internal thread grinding machine grinding carriage dip angle adjusting mechanism |
| CN106181627A (en) * | 2016-07-15 | 2016-12-07 | 郑世浦 | A kind of equipment for grinding manually adjusting grinding angle |
| CN106181628A (en) * | 2016-07-15 | 2016-12-07 | 郑世浦 | A kind of grinding attachment using manual manipulation |
| CN107775460A (en) * | 2017-11-22 | 2018-03-09 | 浙江丰立智能科技股份有限公司 | A kind of workpiece established angle alignment device of small mode number spiral bevel gear milling cutter blade milling machine |
| CN107775460B (en) * | 2017-11-22 | 2023-12-15 | 浙江丰立智能科技股份有限公司 | Workpiece mounting angle alignment device of small-modulus spiral bevel gear milling cutter edge grinder |
| CN111168487A (en) * | 2020-01-15 | 2020-05-19 | 温岭市玲荣工具股份有限公司 | Numerical control thread grinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120111 Termination date: 20150425 |
|
| EXPY | Termination of patent right or utility model |