CN216179023U - High-precision numerical control roller special centerless grinding machine - Google Patents
High-precision numerical control roller special centerless grinding machine Download PDFInfo
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- CN216179023U CN216179023U CN202122444573.1U CN202122444573U CN216179023U CN 216179023 U CN216179023 U CN 216179023U CN 202122444573 U CN202122444573 U CN 202122444573U CN 216179023 U CN216179023 U CN 216179023U
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- 210000004907 gland Anatomy 0.000 claims description 36
- 239000000110 cooling liquid Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000020347 spindle assembly Effects 0.000 description 6
- 229910001651 emery Inorganic materials 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000006148 magnetic separator Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The centerless grinding machine special for the high-precision numerical control roller comprises a machine tool main body, a guide wheel frame assembly, a grinding wheel frame, a grinding wheel shaft assembly and a grinding wheel dresser, wherein the grinding wheel shaft assembly and the grinding wheel dresser are installed on the grinding wheel frame, the guide wheel shaft assembly is installed on a machine tool body of the machine tool main body, the axis of a guide wheel is unchanged relative to the position of the machine tool main body, the grinding wheel frame is arranged on a sliding seat matched with the machine tool main body through a rotating shaft and can wind the rotating shaft to perform rotation adjustment in the horizontal direction, and the inclination angle between the axis of the grinding wheel and the axis of the guide wheel is adjusted through the rotation of the whole grinding wheel frame. When the structure can realize the abrasion of the outer diameter of the grinding wheel in the grinding process, the axis of the grinding wheel can be adjusted in real time, so that the included angles of the grinding wheel and the roller and the included angles of the tangent lines of the contact points of the guide wheel and the roller are the same, the grinding included angle is unchanged in the grinding process, the machine tool is always in the optimal grinding state, and the circular deviation and the waviness of the roller after fine grinding processing reach the ideal state.
Description
Technical Field
The utility model relates to the technical field of centerless grinding machine equipment for processing rollers, in particular to a centerless grinding machine special for a high-precision numerical control roller.
Background
At present, a centerless grinder is a high-efficiency finishing machine tool, and the existing centerless grinder generally comprises the following parts: the grinding machine comprises a machine tool main body part, a guide wheel frame, a grinding wheel spindle assembly, a grinding wheel dresser, an auxiliary power system, a cooling liquid supply system and the like, wherein the guide wheel frame is arranged on one side of the machine tool main body, the grinding wheel frame is arranged on the other side of the machine tool main body, the grinding wheel spindle assembly is arranged on the grinding wheel frame and is driven by the power system to realize fast forward, fast backward and working feeding, a roller to be ground is conveyed to a grinding gap between the guide wheel and the grinding wheel by a feeding mechanism, and the roller is gradually conveyed out in the grinding process by the relative movement of the guide wheel and the grinding wheel;
because the existing grinding machine is not designed reasonably, the grinding machine also has the following defects: firstly, the axis of the grinding wheel shaft of the existing equipment is fixed relative to the axis of the guide wheel, and the outer diameter of the grinding wheel is gradually worn during grinding, so that the included angles of tangent lines of the grinding wheel and the roller and the contact point of the guide wheel and the roller are different, and the result is that the circular deviation and the waviness of the roller after fine grinding are not ideal; secondly, most of the existing grinding wheel spindles are cantilever spindles and single supports, and are generally installed in the following manner; the axle footpath end of emery wheel axle both sides is equipped with the bearing room to through the rotatable installation of bearing assembly on the carriage, when abrasive machining, emery wheel and emery wheel axle rotate together, and drive the roller of processing and move forward, this structure has following defect: during grinding, the grinding wheel and the grinding wheel shaft rotate together, stability is poor, and secondly, when the grinding wheel is started or stopped, the grinding wheel shaft and bearings on two sides are abraded instantly, so that grinding precision of the roller is greatly reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a centerless grinding machine special for a high-precision numerical control roller.
The technical scheme adopted by the utility model is as follows: the centerless grinding machine special for the high-precision numerical control roller comprises a machine tool main body, a guide wheel frame assembly, a grinding wheel frame, a grinding wheel shaft assembly, a grinding wheel dresser, an auxiliary power system and a cooling liquid supply system, wherein the grinding wheel shaft assembly and the grinding wheel dresser are installed on the grinding wheel frame, the grinding wheel frame is driven by a power unit to move on the machine tool main body so as to realize the work feeding of a grinding wheel, the guide wheel frame assembly is installed on a machine tool body of the machine tool main body, the axis of the guide wheel is unchanged relative to the position of the machine tool main body, the grinding wheel frame is arranged on a sliding seat matched with the machine tool main body through a rotating shaft and can wind the rotating shaft to perform the rotation adjustment in the horizontal direction, and the inclination angle between the grinding wheel axis and the guide wheel axis is adjusted through the rotation of the whole grinding wheel frame.
According to the preferable scheme, the grinding wheel shaft assembly comprises a grinding wheel shaft, a grinding wheel shaft sleeve and a grinding wheel, the grinding wheel is installed on the grinding wheel shaft sleeve, two ends of the grinding wheel shaft are fixedly installed in two supports of the grinding wheel frame, the grinding wheel shaft sleeve is sleeved on the outer peripheral surface of the middle portion of the grinding wheel shaft through bearings, and end cover assemblies are arranged on two sides of the grinding wheel shaft sleeve.
Preferably, the bearing is composed of a plurality of angular contact ball bearings.
Preferably, a protruding part is arranged on one side of the grinding wheel shaft sleeve, and a flange is connected to the end part, far away from the protruding part, of the grinding wheel shaft sleeve.
Preferably, the flange is fixedly connected with the end part of the grinding wheel shaft sleeve through a locking part, and a groove for mounting the grinding wheel is formed between the flange and the protruding part on the other side of the grinding wheel shaft sleeve.
Preferably, the grinding wheel is of a combined grinding wheel structure.
As a preferred scheme, the end cover assembly comprises a left end cover unit and a right end cover unit, the left end cover unit and the right end cover unit respectively comprise an inner gland and an outer gland, and a bearing cavity at the shaft end of the grinding wheel shaft sleeve is sealed through the inner gland and the outer gland.
Preferably, the end cover assembly is characterized in that the inner gland is sleeved on the grinding wheel shaft and fixedly connected with the end part of the grinding wheel shaft through the locking piece, and the outer gland is sleeved on the corresponding inner gland and fixedly connected with the end part of the grinding wheel shaft through the locking piece.
Preferably, the outer gland is sleeved on the inner gland corresponding to the outer gland through a sealing assembly.
The utility model has the beneficial effects that:
one, this scheme is through carrying out the structural design of innovation to carriage and guide wheel frame, and the concrete improvement is as follows: the guide wheel frame assembly is arranged on a machine tool body of the machine tool main body, the position of the axis of the guide wheel relative to the machine tool main body is unchanged, the grinding wheel frame is arranged on a sliding seat matched with the machine tool main body through a rotating shaft and can rotate around the rotating shaft in the horizontal direction, and the inclination angle between the axis of the grinding wheel and the axis of the guide wheel is adjusted through the integral rotation of the grinding wheel frame; when the structure can realize the abrasion of the outer diameter of the grinding wheel in the grinding process, the axis of the grinding wheel can be adjusted in real time, so that the included angles of the grinding wheel and the roller and the included angles of the tangent lines of the contact points of the guide wheel and the roller are the same, the structure ensures that the included angle of the grinding wheel in the grinding process is unchanged, the machine tool is always in the best grinding state, and the circular deviation and the waviness of the roller after the fine grinding process reach the ideal state.
Secondly, this scheme is through carrying out the structural design of innovation to the emery wheel axle assembly, and the concrete improvement is as follows: the grinding wheel axle sleeve is sleeved on the outer peripheral surface of the middle part of the grinding wheel axle through the bearing, the end cover assemblies are arranged on two sides of the grinding wheel axle sleeve, the bearing assemblies are sealed in the accommodating cavities between the grinding wheel axle sleeve and the grinding wheel axle through the end cover assemblies, in the structure, the grinding wheel is sleeved on the outer peripheral surface of the middle part of the grinding wheel axle through the bearing, the axle diameter ends of two sides do not need to be provided with bearing chambers for the optical axis, the two ends of the grinding wheel axle can be fastened on two supports of the grinding wheel frame during installation, the axle ends of two sides are used as supporting points, the outer peripheral surface of the middle part of the grinding wheel axle is used as a revolution surface, the grinding wheel rotation is realized during grinding, the grinding wheel axle does not rotate, the rotation is more stable, and the grinding precision of the roller is improved.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention in the prior art, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a grinding spindle assembly according to the present invention.
The labels in the figure are: 1. the grinding machine comprises a machine tool main body, 2, an electric control system, 3, a cooling liquid supply system, 4, a guide rail, 5, a sliding seat, 6, a power unit, 7, a guide wheel frame assembly, 8, a grinding wheel dresser, 9, a grinding wheel frame, 10, a grinding wheel spindle assembly, 101, a grinding wheel spindle sleeve, 102, a right outer gland, 103, a sealing cover, 104, a right inner gland, 105, an inner adjusting pad, 106, an outer adjusting pad, 107, a balance block, 108, a grinding wheel spindle, 109, a left inner gland, 110, a left outer gland, 111, a flange plate, 112, a bearing, 113 and a grinding wheel.
Detailed Description
The utility model is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
It should be noted that: unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" or "the" and similar referents in the description and claims of the present invention are not to be construed as limiting in number, but rather as indicating the presence of at least one. The word "comprise" or "comprises", and the like, indicates that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, but does not exclude other elements or items having the same function.
Examples 1,
The detailed structure of the present embodiment is described below with reference to fig. 1-2:
a high-precision numerical control roller special centerless grinding machine mainly comprises a machine tool main body 1, an electric control system 2, a cooling liquid supply system 3, a guide rail 4, a sliding seat 5, a power unit 6, a guide wheel frame assembly 7, a grinding wheel dresser 8, a grinding wheel frame 9 and a grinding wheel shaft assembly 10, wherein the guide wheel frame assembly 7 is fixedly installed on a machine tool main body of the machine tool main body 1, the position of the axis of the guide wheel relative to the machine tool main body is unchanged, the grinding wheel dresser 8 and the grinding wheel shaft assembly 10 are integrally installed on the grinding wheel frame 9, the grinding wheel frame 9 is installed on the guide rail 4 of the machine tool body through the sliding seat 5 and a transmission component and is driven by the power unit 6 to realize fast forward, fast backward and work feeding, a roller to be processed is subjected to grinding processing between the guide wheel and a gap of the grinding wheel and is transmitted to a blanking unit, the grinding wheel frame 9 is arranged on the sliding seat 5 matched with the machine tool main body through a rotating shaft, the grinding wheel can rotate around the rotating shaft in the horizontal direction, and the inclination angle between the axis of the grinding wheel and the axis of the guide wheel is adjusted by rotating the grinding wheel frame 9 integrally.
In this embodiment, the grinding spindle assembly 10 is integrally assembled on the grinding carriage 9, the lower portion of the grinding carriage 9 is mounted on a machine tool body through a sliding seat and a pair of rolling guides, the whole grinding carriage is driven by a stepping motor, a speed reducer and a ball screw nut pair, and the fast forward, fast backward and work feed of a grinding wheel can be realized, wherein two ends of the grinding spindle 108 are optical axes, no bearing chamber structure is provided, the grinding spindle sleeve 101 for assembling the grinding wheel is directly sleeved on the middle surface of the grinding spindle 108 through a bearing assembly, two ends of the grinding spindle 108 can be fastened on two supports of the grinding carriage 9 during mounting, the spindle ends on two sides are used as supporting points, the middle outer peripheral surface of the grinding spindle 108 is used as a rotating surface, the grinding wheel is rotated during grinding, the grinding spindle is not rotated, the grinding wheel is rotated more stably during processing, and the grinding precision of the roller is improved.
In this embodiment, as shown in fig. 2, the grinding spindle assembly 10 mainly includes a grinding spindle sleeve 101, a grinding wheel 113, a grinding spindle 108, a bearing 112, an adjusting pad and an end cap assembly, wherein the grinding spindle sleeve 101 is sleeved on the outer peripheral surface of the middle portion of the grinding spindle 108 through the bearing 112 and the adjusting pad disposed between the bearings 112, a bearing cavity for mounting the bearing 112 and the adjusting pad is formed between the inner wall of the grinding spindle sleeve 101 and the outer peripheral surface of the middle portion of the grinding spindle 108, in the bearing cavity, the adjusting pad is disposed at the center of the bearing cavity, the number of the bearings 112 is even, and the bearings 112 are symmetrically distributed on two sides of the adjusting pad; in this embodiment, for example, six pairs of angular contact ball bearings are provided, wherein the adjusting pad is disposed at the center of the bearing cavity, three pairs of angular contact ball bearings are symmetrically disposed on two sides of the adjusting pad, the adjusting pad is composed of an inner adjusting pad 105 and an outer adjusting pad 106, the inner and outer rings of the three pairs of bearings on two sides are positioned by the inner adjusting pad 105 and the outer adjusting pad 6, and the bearing clearance can be adjusted by replacing adjusting pads of different types.
In this embodiment, the right side of the grinding wheel sleeve 101 is provided with a protrusion, the left end of the grinding wheel sleeve 101 far away from the protrusion is connected with a flange 111, the flange is fixedly connected with the end of the grinding wheel sleeve through a locking member, and a groove for installing the grinding wheel 113 is formed between the flange 111 and the protrusion on the other side of the grinding wheel sleeve 101.
It should be noted that: the grinding wheel 113 used in this embodiment is preferably a combined grinding wheel structure assembled by a plurality of grinding wheel sheets with different particle sizes, for example, a plurality of grinding wheel sheets 113 with different particle sizes are additionally mounted on the grinding wheel sleeve 101, and the following description is specifically provided: the front half part is a grinding wheel, the rear half part is a polishing wheel, the processed roller has very high surface roughness, and the accurate grinding can reach 0.06-0.010 mu m generally; the combined grinding wheel is only roughly dressed generally, and after the grinding wheel is ground in, dressing is not needed until the grinding wheel is used to a scrapped size, because the grinding wheel can realize synchronous self-sharpening.
In this embodiment, the end cap assembly includes a left end cap unit and a right end cap unit, both of which include an inner gland and an outer gland, and the inner gland and the outer gland seal a shaft end bearing cavity of the grinding wheel spindle sleeve; the left end cover unit is taken as an example for description: wherein, the grinding wheel comprises a left inner gland 109 and a left outer gland 110, the left inner gland 109 is fixedly connected with the end part of the grinding wheel shaft 108 through a screw, the left outer gland 110 is sleeved on the left inner gland 109 and is fixedly connected with the end part of the grinding wheel shaft sleeve 101 through a screw component,
herein, a sealing assembly is further arranged between the left outer gland 110 and the left inner gland 109, and the left outer gland 110 is sleeved on the left inner gland 109 through the sealing assembly; in this embodiment, the sealing assembly preferably includes an O-ring or a skeleton rubber oil seal disposed between the left outer gland and the left inner gland.
It should be noted that: the above description only describes the connection relationship of the components in the left end cover unit, and those skilled in the art can fully refer to the above description to assemble the structure of the right end cover unit, and the description is not repeated.
The cooling liquid supply system 3 used by the equipment is the existing mature technology, for example, a cooling liquid box, a power pump pipeline, a magnetic separator and a paper tape filter can be adopted to form the cooling liquid supply system, a purified cooling liquid source is continuously pumped between a roller and a grinding wheel in the processing through the magnetic separator and the paper tape filter, the water box has large volume, the water pump has large flow rate, and the cooling effect is good.
It should be noted that: in order to improve the overall performance of the equipment, a device for preventing the tapered roller from turning around (the big end of the roller is in front) can be also arranged; when the conical roller turns around, the guide rod is lifted to disconnect the interval switch, feeding is stopped, and the turning-around conical roller is blocked in front of the grinding area; the grinding wheel and the tool are prevented from being damaged by the turning-round tapered roller; in addition, the machine tool can be provided with a feeder and a clamping plate feeder, and full-automatic production can be realized.
In the scheme, the balance block 107 is additionally arranged on the outer surface of the flange 111, so that the balance of the grinding wheel is required to be carried out in order to avoid the adverse effect of the vibration of the grinding wheel on the processing quality of the roller, and the balance of the grinding wheel is divided into static balance and dynamic balance; the water balance device controlled by a program system is used for balancing the grinding wheel automatically when the grinding wheel works normally after the grinding wheel is adjusted, the vibration value is less than or equal to 0.2 mu m when the grinding wheel works normally, and the vibration value is less than or equal to 0.2 mu m when the grinding wheel works normally.
When the equipment is used for processing the roller, the grinding mode of the equipment is divided into an upper grinding mode and a lower upper grinding mode:
wherein the upper grinding is mainly used for the fine grinding of the roller, the center of the grinding wheel and the center of the roller are on the same horizontal plane, and the center of the guide wheel is lower than the center of the roller and has an included angle of 6 degrees relative to the center of the roller. When the grinding wheel is scrapped from the beginning of use, no matter how the external diameter size of the grinding wheel changes, the included angle of the tangent lines of the grinding wheel and the roller and the contact point of the guide wheel and the roller is always 6 degrees; according to the change rule of the circular deviation and the waviness, when the included angle of the tangent lines of the grinding wheel and the roller and the contact point of the guide wheel and the roller is 6 degrees, the circular deviation and the waviness of the roller after fine grinding processing are the best. The method is one of the remarkable characteristics and outstanding advantages different from other domestic centerless grinding machines;
the lower grinding is mainly used for rough grinding of the roller, the center of a grinding wheel and the center of the roller are on the same horizontal plane, and the center of a guide wheel is higher than the center of the roller and forms an included angle of 20 degrees relative to the center of the roller. When the grinding wheel is scrapped from the beginning of use, no matter how the external diameter size of the grinding wheel changes, the included angle of the tangent lines of the grinding wheel and the roller and the contact point of the guide wheel and the roller is invariable at 20 degrees; this ensures that the roller is pressed and ground by the grinding wheel in the whole coarse grinding process, and prevents the possibility of the roller jumping upwards due to the large coarse grinding amount. Therefore, the maximum rough grinding amount can reach 0.25-0.30mm, which is one of the remarkable characteristics and outstanding advantages different from other domestic centerless grinders.
In operation, the outer diameter of the roller is actively measured and the grinding wheel is automatically compensated; in operation, qi
The movable measuring instrument performs full-automatic size control. The outlet end grinding wheel of the roller processing channel and the air nozzle are kept at a fixed distance, when the grinding wheel is self-sharpened and threshed to a certain degree, the change information of air pressure is fed back to the automatic compensation control system, the command compensation of the control system is carried out at once, and the grinding wheel is timely restored to the original position, so that the accuracy and the uniformity of the outer diameter size of the roller are ensured. The automatic compensation of the grinding wheel is carried out on the V-shaped roller guide rail, and the grinding wheel is driven by a stepping motor through a harmonic reducer to drive a roller screw. The automatic compensation amount of the grinding wheel can be automatically set according to the requirement, and the minimum compensation amount of the machine tool can be adjusted to 1 mu m.
It should be noted that while the utility model has been described in terms of the above-mentioned embodiments, other embodiments are also possible. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model, and it is intended that all such changes and modifications be covered by the appended claims and their equivalents.
Claims (9)
1. The centerless grinding machine special for the high-precision numerical control roller comprises a machine tool main body, a guide wheel frame assembly, a grinding carriage, a grinding wheel shaft assembly, a grinding wheel dresser, an auxiliary power system and a cooling liquid supply system, wherein the grinding wheel shaft assembly and the grinding wheel dresser are installed on the grinding carriage, and the power unit drives the grinding wheel frame to move on the machine tool main body so as to realize the work feeding of a grinding wheel, and is characterized in that: the guide wheel frame assembly is arranged on a machine tool body of the machine tool main body, the position of the axis of the guide wheel relative to the machine tool main body is unchanged, the grinding wheel frame is arranged on a sliding seat matched with the machine tool main body through a rotating shaft and can rotate around the rotating shaft in the horizontal direction for adjustment, and the inclination angle between the axis of the grinding wheel and the axis of the guide wheel is adjusted through the rotation of the whole grinding wheel frame.
2. The centerless grinder dedicated to high-precision numerically controlled rollers of claim 1, wherein: the grinding wheel shaft assembly comprises a grinding wheel shaft, a grinding wheel shaft sleeve and a grinding wheel, wherein the grinding wheel is arranged on the grinding wheel shaft sleeve, two ends of the grinding wheel shaft are fixedly arranged in two supports of the grinding wheel frame, the grinding wheel shaft sleeve is sleeved on the outer peripheral surface of the middle part of the grinding wheel shaft through a bearing, and end cover assemblies are arranged on two sides of the grinding wheel shaft sleeve.
3. The centerless grinder dedicated to high-precision numerically controlled rollers of claim 2, wherein: the bearing is composed of a plurality of angular contact ball bearings.
4. The centerless grinder dedicated to high-precision numerically controlled rollers of claim 2, wherein: a protruding part is arranged on one side of the grinding wheel shaft sleeve, and a flange plate is connected to the end part, far away from the protruding part, of the grinding wheel shaft sleeve.
5. The centerless grinder dedicated to high-precision numerically controlled rollers of claim 4, wherein: the flange plate is fixedly connected with the end part of the grinding wheel shaft sleeve through a locking part, and a groove for installing the grinding wheel is formed between the flange plate and the protruding part on the other side of the grinding wheel shaft sleeve.
6. The centerless grinder dedicated to high-precision numerically controlled rollers of claim 2, wherein: the grinding wheel adopts a combined grinding wheel structure.
7. The centerless grinder dedicated to high-precision numerically controlled rollers of claim 2, wherein: the end cover assembly comprises a left end cover unit and a right end cover unit, the left end cover unit and the right end cover unit both comprise an inner gland and an outer gland, and a bearing cavity at the shaft end of the grinding wheel shaft sleeve is sealed through the inner gland and the outer gland.
8. The centerless grinder dedicated to high precision numerically controlled rollers of claim 7, wherein: the end cover assembly is characterized in that the inner gland is sleeved on the grinding wheel shaft and is fixedly connected with the end part of the grinding wheel shaft through the locking piece, and the outer gland is sleeved on the corresponding inner gland and is fixedly connected with the end part of the grinding wheel shaft through the locking piece.
9. The centerless grinder dedicated to high precision numerically controlled rollers of claim 7, wherein: the outer pressure cover is sleeved on the inner pressure cover corresponding to the outer pressure cover through a sealing assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122444573.1U CN216179023U (en) | 2021-10-12 | 2021-10-12 | High-precision numerical control roller special centerless grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122444573.1U CN216179023U (en) | 2021-10-12 | 2021-10-12 | High-precision numerical control roller special centerless grinding machine |
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| Publication Number | Publication Date |
|---|---|
| CN216179023U true CN216179023U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122444573.1U Active CN216179023U (en) | 2021-10-12 | 2021-10-12 | High-precision numerical control roller special centerless grinding machine |
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| Country | Link |
|---|---|
| CN (1) | CN216179023U (en) |
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2021
- 2021-10-12 CN CN202122444573.1U patent/CN216179023U/en active Active
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Effective date of registration: 20231023 Address after: 471000 Jinghua market, Li Lou, Luolong District, Luoyang, Henan, China Patentee after: HENAN WEICHUANG BEARING PRECISION TECHNOLOGY Co.,Ltd. Address before: 471000 room 1-3, office building in Jinghua market Weichuang Precision Industry Institute, intersection of East Ring Road and Luoyue Road, Lilou Town, Luolong District, Luoyang City, Henan Province Patentee before: Zhaoyang Technology (Henan) Co.,Ltd. |