CN220761930U - Precise cylindrical roller grinding device - Google Patents
Precise cylindrical roller grinding device Download PDFInfo
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- CN220761930U CN220761930U CN202322399016.1U CN202322399016U CN220761930U CN 220761930 U CN220761930 U CN 220761930U CN 202322399016 U CN202322399016 U CN 202322399016U CN 220761930 U CN220761930 U CN 220761930U
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- cylindrical roller
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- groove
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- 230000003028 elevating effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of cylindrical roller processing, and discloses a precise cylindrical roller grinding device which comprises a lower grinding disc and an upper grinding disc which are coaxially assembled, wherein a lifting mechanism is connected between the lower grinding disc and the upper grinding disc, the upper grinding disc can rotate around a central shaft, a plurality of grooves distributed around the central shaft are formed in the lower grinding disc, two grinding plates which are symmetrically distributed are arranged in each groove, the grooves are V-shaped grooves, and at least one grinding plate is in sliding connection with each groove. According to the utility model, the grinding plates are arranged in the grooves, the cylindrical rollers are arranged between the two grinding plates on the grooves, and the cylindrical rollers are not only ground by the cylindrical surfaces of the upper grinding disc and the lower grinding disc through the rotation of the first grinding disc, but also ground by the end surfaces of the grinding plates when the cylindrical rollers rotate, so that the cylindrical rollers are ground more completely, and the grinding efficiency is increased.
Description
Technical Field
The utility model belongs to the technical field of cylindrical roller processing, and particularly relates to a precise cylindrical roller grinding device.
Background
The cylindrical roller is a member which receives a load when the bearing is operated, is the weakest part in the roller bearing, and has a great influence on the bearing working performance (such as rotation accuracy, vibration, noise, flexibility, and the like) due to the manufacturing accuracy, and therefore, the cylindrical roller needs to be ground after being processed to improve the manufacturing accuracy.
Currently, the cylindrical roller grinding device mainly comprises centerless grinding of a grinding cylindrical surface and double-end-face grinding of a grinding end face, wherein:
when in processing, cylindrical grinding (such as centerless grinding), a cylindrical roller is placed between a grinding wheel and a guide wheel, supported by a supporting plate below the cylindrical roller, and driven by the guide wheel to rotate, so that the cylindrical roller is ground by the grinding wheel; the double-end-face grinding realizes the simultaneous grinding of the two end faces of the cylindrical roller through the relative movement of the upper grinding disc and the lower grinding disc. However, in the two existing grinding modes, only one surface of the cylindrical roller can be ground, and the grinding is incomplete and has low efficiency. In addition, since the distance between the grinding wheel and the guide wheel is fixed in cylindrical grinding, the cylindrical grinding machine cannot be suitable for grinding cylindrical rollers with different specifications.
Disclosure of Invention
The utility model aims to provide a precise cylindrical roller grinding device so as to solve the problems of low grinding efficiency and limited grinding specification in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the precise cylindrical roller grinding device comprises a lower grinding disc and an upper grinding disc which are coaxially assembled, wherein a lifting mechanism is connected between the lower grinding disc and the upper grinding disc, the upper grinding disc can rotate around a central shaft, a plurality of grooves distributed around the central shaft array are formed in the lower grinding disc, and two grinding plates which are symmetrically distributed are arranged in each groove.
Preferably, the groove is a V-shaped groove.
Preferably, at least one of the grinding plates is slidably connected to the groove, and a spring is connected between the end of the groove and the grinding plate.
Preferably, the lifting mechanism comprises a guide rail and a screw rod, the screw rod is positioned in the guide rail, a servo motor is fixedly arranged at one end of the guide rail, an output shaft of the servo motor is fixedly connected with the screw rod, a sliding block is sleeved on the screw rod in a rotating mode, the sliding block is in sliding connection with the guide rail, and the sliding block is parallel to the upper grinding disc.
Preferably, a shell is arranged above the upper grinding disc, a connecting rod is fixedly connected between the shell and the sliding block, a driving motor is fixedly arranged in the shell, and an output shaft of the driving motor is fixedly connected with the upper grinding disc.
Preferably, a base is fixedly arranged at the bottom of the lower grinding disc, and the guide rail is fixedly connected with one side of the base.
Compared with the prior art, the utility model has the following beneficial effects:
(1) According to the utility model, the grinding plates are arranged in the grooves, the cylindrical rollers are arranged between the two grinding plates on the grooves, and the cylindrical rollers are not only ground by the cylindrical surfaces of the upper grinding disc and the lower grinding disc through the rotation of the first grinding disc, but also ground by the end surfaces of the grinding plates when the cylindrical rollers rotate, so that the cylindrical rollers are ground more completely, and the grinding efficiency is increased.
(2) The groove is arranged to be a V-shaped groove, and the spring is additionally arranged between the grinding plate and the groove, so that the grinding device is suitable for grinding cylindrical rollers with different specifications, and can limit the axial movement of the cylindrical rollers, so that the end face grinding of the cylindrical rollers is more sufficient.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a schematic view of the assembly of the groove, grinding plate and spring of the present utility model;
FIG. 3 is an enlarged view at A of FIG. 2;
in the figure: 1-driving motor, 2-shell, 3-upper millstone, 4-lower millstone, 5-base, 6-guide rail, 7-lead screw, 8-connecting rod, 9-slider, 10-servo motor, 11-lapping plate, 12-recess, 13-spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides the following technical solutions:
the precise cylindrical roller grinding device comprises a lower grinding disc 4 and an upper grinding disc 3 which are coaxially assembled, wherein a lifting mechanism is connected between the lower grinding disc 4 and the upper grinding disc 3, the upper grinding disc 3 can rotate around a central shaft, a plurality of grooves 12 distributed around the central shaft are formed in the lower grinding disc 4, and two grinding plates 11 which are symmetrically distributed are arranged in each groove 12. A shell 2 is arranged above the upper grinding disc 3, a driving motor 1 is fixedly arranged in the shell 2, and an output shaft of the driving motor 1 is fixedly connected with the upper grinding disc 3. A base 5 is fixedly arranged at the bottom of the lower millstone 4,
based on the above structure, when utilizing the utility model provides a precision cylindrical roller grinding device to implement precision cylindrical roller grinding, the operation is:
the cylindrical roller is placed in the groove 12 and is placed between the two grinding plates 11, the driving motor 1 is started, the output shaft of the driving motor 1 drives the upper grinding disc 3 to rotate around the central shaft, meanwhile, the upper grinding disc 3 gradually approaches the lower grinding disc 4 through the lifting structure, and then the cylindrical roller is ground, and the specific grinding principle is as follows: when the upper grinding disc 3 contacts with the cylindrical surface of the cylindrical roller, the cylindrical roller is driven to rotate by friction force when the upper grinding disc 3 rotates, and the cylindrical roller can be ground by the cylindrical surfaces of the upper grinding disc 3 and the lower grinding disc 4 and the end surface of the grinding plate 11 when the cylindrical roller rotates.
Further, elevating system includes guide rail 6 and lead screw 7, and lead screw 7 is located guide rail 6 inside, and guide rail 6 one end fixed mounting has servo motor 10, and servo motor 10 output shaft and lead screw 7 fixed connection, and the cover is equipped with slider 9 soon on the lead screw 7, slider 9 and guide rail 6 sliding connection, and slider 9 is parallel to each other with last mill 3. A connecting rod 8 is fixedly connected between the shell 2 and the sliding block 9. The guide rail 6 is fixedly connected with one side of the base 5. Based on the above, the principle of the lifting mechanism for realizing the lifting function is as follows: the servo motor 10 is started, the output shaft of the servo motor 10 drives the screw rod 7 to rotate, the screw rod 7 is screwed with the sliding block 9 when rotating, the sliding block 9 is driven to slide on the guide rail 6, the shell 2 is moved through the movement of the sliding block 9, and the upper grinding disc 3 fixed below the shell 2 is further moved.
Preferably, the grooves 12 are V-shaped grooves, so that the method can be suitable for placing and grinding cylindrical rollers with different diameters. In addition, at least one grinding plate 11 is in sliding connection with the groove 12, and a spring 13 is connected between the end part of the groove 12 and the grinding plate 11, so that the grinding plate 11 can be effectively abutted against the end part of the cylindrical roller by utilizing the elastic deformation effect of the spring 13, on one hand, the end face grinding can be effectively realized, and on the other hand, the grinding plate can be applicable to the placement and grinding of the cylindrical rollers with different lengths.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Accurate cylindrical roller grinder, its characterized in that: including lower mill (4) and last mill (3) of coaxial assembly, be connected with elevating system between lower mill (4) and the last mill (3), just last mill (3) can rotate around the center pin, be equipped with a plurality of recesses (12) of around center pin array distribution on lower mill (4), and every all be equipped with two lapping plates (11) of symmetric distribution in recess (12).
2. The precision cylindrical roller grinding device according to claim 1, wherein: the groove (12) is a V-shaped groove.
3. The precision cylindrical roller grinding device according to claim 1, wherein: at least one grinding plate (11) is in sliding connection with the groove (12), and a spring (13) is connected between the end part of the groove (12) and the grinding plate (11).
4. The precision cylindrical roller grinding device according to claim 1, wherein: elevating system includes guide rail (6) and lead screw (7), and lead screw (7) are located inside guide rail (6), guide rail (6) one end fixed mounting has servo motor (10), and servo motor (10) output shaft and lead screw (7) fixed connection, it is equipped with slider (9) to close the cover soon on lead screw (7), slider (9) and guide rail (6) sliding connection, and slider (9) are parallel to each other with last mill (3).
5. The precision cylindrical roller grinding apparatus according to claim 4, wherein: the upper grinding disc (3) is characterized in that a shell (2) is arranged above the upper grinding disc (3), a connecting rod (8) is fixedly connected between the shell (2) and the sliding block (9), a driving motor (1) is fixedly installed in the shell (2), and an output shaft of the driving motor (1) is fixedly connected with the upper grinding disc (3).
6. The precision cylindrical roller grinding apparatus according to claim 4, wherein: the bottom of the lower grinding disc (4) is fixedly provided with a base (5), and the guide rail (6) is fixedly connected with one side of the base (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322399016.1U CN220761930U (en) | 2023-09-05 | 2023-09-05 | Precise cylindrical roller grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322399016.1U CN220761930U (en) | 2023-09-05 | 2023-09-05 | Precise cylindrical roller grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220761930U true CN220761930U (en) | 2024-04-12 |
Family
ID=90604529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322399016.1U Active CN220761930U (en) | 2023-09-05 | 2023-09-05 | Precise cylindrical roller grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220761930U (en) |
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2023
- 2023-09-05 CN CN202322399016.1U patent/CN220761930U/en active Active
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