CN216179026U - Guide wheel frame structure for high-precision centerless grinding machine - Google Patents
Guide wheel frame structure for high-precision centerless grinding machine Download PDFInfo
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- CN216179026U CN216179026U CN202122444581.6U CN202122444581U CN216179026U CN 216179026 U CN216179026 U CN 216179026U CN 202122444581 U CN202122444581 U CN 202122444581U CN 216179026 U CN216179026 U CN 216179026U
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- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 abstract description 3
- 125000006850 spacer group Chemical group 0.000 description 22
- 239000003921 oil Substances 0.000 description 8
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000020347 spindle assembly Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
A guide wheel frame structure for a high-precision centerless grinding machine comprises a guide wheel shaft and a guide wheel, wherein the guide wheel is sleeved on the outer peripheral surface of the middle part of the guide wheel shaft through a bearing assembly, end cover assemblies are arranged on two sides of the guide wheel, a gear structure used for transmitting power to the guide wheel is fixedly arranged on each end cover assembly, and the bearing assembly is composed of a plurality of groups of bearings and a space ring unit arranged between any two bearings. This scheme is through the structural design of innovation, a high accuracy is guide wheel carrier structure for centerless grinder is provided, in this guide wheel carrier structure, pass through bearing assembly suit with the guide pulley on the outer peripheral face at guide pulley shaft middle part, the shaft diameter end of both sides need not set up the bearing room for the optical axis, can fasten guide pulley shaft both ends on two supports of lathe main part during the installation, use the axle head of both sides as the strong point, use the middle part outer peripheral face of guide pulley shaft as the surface of revolution, realized the guide pulley rotation during the grinding, the guide pulley shaft does not rotate, the guide pulley rotates more steadily in the course of working, thereby the grinding precision of roller has been improved.
Description
Technical Field
The utility model relates to the technical field of centerless grinding machine equipment for processing rollers, in particular to a guide wheel frame structure for a high-precision centerless grinding machine.
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 assembly, a grinding 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 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 a guide wheel and the grinding wheel by a feeding mechanism, and the roller is gradually conveyed out in grinding by the relative motion of the guide wheel and the grinding wheel;
the existing guide wheel frame is generally installed in the following way; the diameter end of the shaft on both sides of the guide wheel shaft is provided with a bearing chamber and is rotatably arranged on the machine tool main body through a bearing assembly, the guide wheel is arranged on the guide wheel shaft through a connecting piece, and when grinding machining is carried out, the guide wheel and the guide wheel shaft rotate together and drive a machined roller to move forwards, and the structure has the following defects: during grinding, the guide wheel and the guide wheel shaft rotate together, loads borne by the guide wheel frame are applied to bearing assemblies on two sides through the guide wheel and the guide wheel shaft, and a shaft diameter end matched with the bearing assemblies on the guide wheel shaft and the bearing assemblies are seriously abraded, so that poor stability is caused, and the 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 guide wheel frame structure for a high-precision centerless grinding machine.
The technical scheme adopted by the utility model is as follows: a guide wheel frame structure for a high-precision centerless grinding machine comprises a guide wheel shaft and a guide wheel arranged on the guide wheel shaft, wherein the guide wheel is sleeved on the outer peripheral surface of the middle part of the guide wheel shaft through a bearing assembly, end cover assemblies are arranged on two sides of the guide wheel, a gear structure used for transmitting power to the guide wheel is fixedly arranged on the end cover assemblies, and the bearing assembly is composed of a plurality of groups of bearings and a spacer ring unit arranged between any two bearings.
Preferably, the number of the bearings is even, and the bearings are symmetrically distributed along the center line of the guide wheel.
Preferably, the bearing is an angular contact ball bearing.
Preferably, the spacer unit is composed of an inner spacer for positioning the bearing inner ring and an outer spacer for positioning the bearing outer ring.
Preferably, 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 flange and an outer flange, and a bearing cavity at the end of the guide wheel shaft is sealed through the inner flange and the outer flange.
Preferably, in the end cover assembly, the inner flange is sleeved on the guide wheel shaft and is fixedly connected with the guide wheel shaft through the locking member, and the outer flange is sleeved on the corresponding inner flange through the sealing assembly and is fixedly connected with the end of the guide wheel through the locking member.
Preferably, the sealing assembly comprises a sealing ring and a framework oil seal which are arranged between the inner flange plate and the outer flange plate.
Preferably, the gear structure is fixedly connected to the end face of the outer flange on one side through a locking piece.
Preferably, the end cover assembly is provided with an oil cup on an inner flange plate therein.
The utility model has the beneficial effects that:
this scheme provides a high accuracy is guide wheel carrier structure for centerless grinder through the structural design of innovation, and concrete advantage is as follows: in the guide wheel frame structure, the guide wheel is sleeved on the outer peripheral surface of the middle part of the guide wheel shaft through the bearing assembly, the shaft diameter ends on two sides are optical axes, bearing chambers do not need to be arranged, two ends of the guide wheel shaft can be fastened on two supports of the machine tool main body during installation, the shaft ends on two sides are used as supporting points, the outer peripheral surface of the middle part of the guide wheel shaft is used as a revolution surface, rotation of the guide wheel and non-rotation of the guide wheel shaft are realized during grinding, the guide wheel rotates more stably in the machining process, and therefore 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 diagram of the present invention.
The labels in the figure are: 1. the oil seal structure comprises a left outer flange plate, 2, a gear, 3, an inner hexagonal socket head cap screw, 4, an inner hexagonal socket head cap screw, 5, a left inner flange plate, 6, an oil cup, 7, a framework oil seal, 8, a guide wheel, 9, a guide wheel shaft, 10, a bearing, 11, an inner spacer ring, 12, an outer spacer ring, 13, a middle inner spacer ring, 14, a middle outer spacer ring, 15, a right inner flange plate, 16, an O-shaped sealing ring, 17, a right outer flange plate, 18 and the inner hexagonal socket head cap screw.
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.
A guide wheel frame structure for a high-precision centerless grinding machine comprises a guide wheel shaft and a guide wheel arranged on the guide wheel shaft, wherein the guide wheel is sleeved on the outer peripheral surface of the middle part of the guide wheel shaft through a bearing assembly, end cover assemblies are arranged on two sides of the guide wheel, a gear structure used for transmitting power to the guide wheel is fixedly arranged on the end cover assemblies, and the bearing assembly is composed of a plurality of groups of bearings and a spacer ring unit arranged between any two bearings.
In the scheme, the number of the bearings is even, and the bearings are symmetrically distributed along the central line of the guide wheel.
In the scheme, the space ring unit is composed of an inner space ring used for positioning the inner ring of the bearing and an outer space ring used for positioning the outer ring of the bearing.
In this scheme, the end cover subassembly includes left end housing unit and right end housing unit, left end housing unit and right end housing unit all include interior ring flange and outer ring flange, seal the bearing cavity of guide pulley axle head through interior ring flange and outer ring flange.
In the scheme, the end cover assembly is characterized in that the inner flange plate is sleeved on the guide wheel shaft and is fixedly connected with the guide wheel shaft through the locking member, and the outer flange plate is sleeved on the corresponding inner flange plate through the sealing assembly and is fixedly connected with the end part of the guide wheel through the locking member.
Examples 1,
The detailed structure of the present embodiment is described below with reference to fig. 1:
the utility model provides a high accuracy is guide wheel frame structure for centerless grinder, this guide wheel frame structure is installed in the lathe main part as a whole, and by Siemens variable servo motor through belt and gear drive assembly drive guide pulley rotation, the both ends of guide wheel axle 9 are the optical axis, no longer set up bearing chamber structure, guide pulley 8 directly overlaps on the middle part face of guide wheel axle 9 through the bearing assembly, can fasten guide wheel axle 9 both ends on two supports of lathe main part during the installation, use the axle head of both sides as the strong point, use the middle part outer peripheral face of guide wheel axle as the surface of revolution, realized the guide wheel rotation during the grinding, the guide wheel axle does not rotate, the guide wheel rotates more steadily in the course of working, thereby the grinding precision of roller has been improved.
As shown in fig. 1, the wheel frame structure mainly comprises a guide wheel 8, a guide wheel shaft 9, bearings 10, a spacer unit and end cover assemblies, wherein the guide wheel 8 is sleeved on the outer peripheral surface of the middle part of the guide wheel shaft 9 through the bearings 10 and the spacer unit arranged between the bearings 10, a bearing chamber for mounting the bearings 10 and the spacer unit is formed between the inner wall of the guide wheel and the outer peripheral surface of the middle part of the guide wheel shaft 9, in the bearing chamber, a plurality of bearings 10 can be arranged and uniformly distributed along the bearing chamber, the spacer unit is respectively arranged between every two adjacent bearings 10, in this embodiment, 4 pairs of angular contact ball bearings are taken as an example, wherein two pairs of ball bearings at the outermost side are arranged at the outermost side of the bearing chamber and are positioned by the end cover assemblies at both sides, and then two pairs of bearings at the middle are symmetrically distributed at both sides along the center line of the bearing chamber, an inner spacer 11 and an outer spacer 12 are arranged between the leftmost bearing and the adjacent bearing, a middle inner spacer 13 and a middle outer spacer 14 are arranged between the two pairs of bearings in the middle, the inner and outer rings of the bearings are positioned through the inner spacer 11 and the outer spacer 12, the middle inner spacer 13 and the middle outer spacer 14 respectively, and meanwhile, the bearing gap can also be adjusted by replacing spacers of different types.
In this embodiment, the number of the bearings 10 is preferably an even number, and the bearings are symmetrically distributed along the center line of the bearing chamber between the guide wheel and the guide wheel shaft.
In this embodiment, the end cover assembly includes a left end cover unit including a left outer flange 1 and a left inner flange 5, and a right end cover unit including a right outer flange 17 and a right inner flange 15, and the bearing chambers on both sides of the guide wheel 8 are sealed by the left outer flange 1, the left inner flange 5, the right outer flange 17, and the right inner flange 15, and the left end cover unit is described as an example: the left inner flange plate 5 is fixedly connected to the end portion of the guide wheel shaft 9 through an inner hexagonal socket head cap screw 4, the left outer flange plate 1 is fixedly connected to the end portion of the guide wheel 8 through an inner hexagonal socket head cap screw 18, the left outer flange plate 1 is fixedly connected with the gear 2 through an inner hexagonal socket head cap screw 3, power is transmitted to the guide wheel through an external power mechanism and a transmission assembly, the left inner flange plate 5 is further provided with an oil cup 6, and lubricating oil is injected into the bearing cavity through an external oil injection system.
Herein, a sealing assembly is further arranged between the left outer flange plate 1 and the left inner flange plate 5, and the left outer flange plate 1 is sleeved on the left inner flange plate 5 through the sealing assembly; in the present embodiment, the sealing assembly preferably includes an O-ring 16 and a skeleton oil seal 7 disposed between the left outer flange 1 and the left inner flange 5.
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.
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 utility model provides a high accuracy is wheel carrier structure for centerless grinder, includes the guide pulley axle and installs the guide pulley on the guide pulley axle, its characterized in that: the guide wheel is sleeved on the outer peripheral surface of the middle part of the guide wheel shaft through a bearing assembly, end cover assemblies are arranged on two sides of the guide wheel, a gear structure used for transmitting power to the guide wheel is fixedly arranged on each end cover assembly, and the bearing assembly is composed of a plurality of groups of bearings and a space ring unit arranged between any two bearings.
2. The structure of the guide wheel frame for the high-precision centerless grinder as claimed in claim 1, wherein: the number of the bearings is even, and the bearings are symmetrically distributed along the center line of the guide wheel.
3. The structure of the guide wheel frame for the high-precision centerless grinder as claimed in claim 1, wherein: the bearing is an angular contact ball bearing.
4. The structure of the guide wheel frame for the high-precision centerless grinder as claimed in claim 1, wherein: the space ring unit is composed of an inner space ring used for positioning the bearing inner ring and an outer space ring used for positioning the bearing outer ring.
5. The structure of the guide wheel frame for the high-precision centerless grinder as claimed in claim 1, 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 respectively comprise an inner flange and an outer flange, and a bearing cavity at the end of the guide wheel shaft is sealed through the inner flange and the outer flange.
6. The structure of the guide wheel frame for the high-precision centerless grinder as claimed in claim 5, wherein: the end cover assembly is characterized in that the inner flange plate is sleeved on the guide wheel shaft and is fixedly connected with the guide wheel shaft through the locking part, and the outer flange plate is sleeved on the corresponding inner flange plate through the sealing assembly and is fixedly connected with the end part of the guide wheel through the locking part.
7. The structure of the guide wheel frame for the high-precision centerless grinder as claimed in claim 6, wherein: the sealing assembly comprises a sealing ring and a framework oil seal which are arranged between the inner flange plate and the outer flange plate.
8. The structure of the guide wheel frame for the high-precision centerless grinder as claimed in claim 5, wherein: the gear structure is fixedly connected to the end face of the outer flange plate on one side through the locking piece.
9. The structure of the guide wheel frame for the high-precision centerless grinder as claimed in claim 5, wherein: and the end cover assembly is provided with an oil cup on the inner flange plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122444581.6U CN216179026U (en) | 2021-10-12 | 2021-10-12 | Guide wheel frame structure for high-precision centerless grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122444581.6U CN216179026U (en) | 2021-10-12 | 2021-10-12 | Guide wheel frame structure for high-precision centerless grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216179026U true CN216179026U (en) | 2022-04-05 |
Family
ID=80863534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122444581.6U Active CN216179026U (en) | 2021-10-12 | 2021-10-12 | Guide wheel frame structure for high-precision centerless grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216179026U (en) |
-
2021
- 2021-10-12 CN CN202122444581.6U patent/CN216179026U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231102 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. |
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| TR01 | Transfer of patent right |