CN210588496U - Tool clamp for grinding end face of cylindrical roller - Google Patents
Tool clamp for grinding end face of cylindrical roller Download PDFInfo
- Publication number
- CN210588496U CN210588496U CN201921673199.9U CN201921673199U CN210588496U CN 210588496 U CN210588496 U CN 210588496U CN 201921673199 U CN201921673199 U CN 201921673199U CN 210588496 U CN210588496 U CN 210588496U
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- China
- Prior art keywords
- roller
- cylindrical roller
- cylindrical
- grinding
- face
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- Expired - Fee Related
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- 238000003825 pressing Methods 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 241001131688 Coracias garrulus Species 0.000 description 110
- 238000005096 rolling process Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The utility model belongs to the technical field of bearing roller processing, a frock clamp of cylindrical roller end face grinding is proposed. The tool clamp for grinding the end face of the cylindrical roller is provided with an upper roller and a lower roller which are used as driving wheels; the upper roller and the lower roller are both contacted with the outer diameter surface of the cylindrical roller to be ground, and form a supporting wheel for supporting the cylindrical roller; the tool clamp is also provided with a pressing wheel used for pressing the cylindrical roller; the pressing wheel, the upper roller and the lower roller jointly form three-point positioning for clamping the cylindrical roller in the circumferential direction; an included angle used for enabling the cylindrical roller to generate a feeding force in the grinding process is formed between the axis of the pressing wheel and the axis of the cylindrical roller; and a pinch roller cylinder is arranged corresponding to the pinch roller. The utility model discloses eliminated the swing of roller in radial direction, guaranteed the run-out precision and the convexity precision of cylindrical roller terminal surface, satisfied the requirement in the antifriction bearing standard.
Description
Technical Field
The utility model belongs to the technical field of bearing roller processing, concretely relates to frock clamp of cylindrical roller end face grinding.
Background
At present, a double-ended grinding machine or magnetic bar adsorption grinding is adopted for grinding the end face of a cylindrical roller of a bearing in the bearing industry; the double-ended grinding machine is provided with two grinding wheels with end surfaces placed in parallel, the tool is telescopic, the working principle is that a cylindrical roller is arranged in a sleeve, the sleeve drives the cylindrical roller to pass through the two grinding wheel end surfaces, the two end surfaces of the roller are ground simultaneously, but because a gap exists between the cylindrical roller and the sleeve, the end surface jumping and the end surface convexity of the cylindrical roller cannot be ensured during grinding, the processing precision is low, different sleeves are required to be replaced according to different specifications of the cylindrical roller, the number of the tools is large, and the economic benefit is low; the other method is to grind the end face of the cylindrical roller by adopting a magnetic bar adsorption mode; when the magnetic bar is used for adsorption grinding, the grinding precision is higher than that of a double-end-face grinding machine, but the grinding efficiency is low, and the cylindrical roller needs to be demagnetized due to residual magnetism of the roller, so that the production efficiency is reduced; the grinding precision of the two grinding modes can not meet the requirements of the rolling bearing standard on the end face runout and the convexity of the I-grade and 0-grade rollers, the size consistency of the cylindrical rollers is difficult to guarantee, and the problem to be solved is urgently needed in the roller grinding processing.
SUMMERY OF THE UTILITY MODEL
Based on the requirement of the end face run-out and the convexity precision of the bearing industry to the cylindrical roller terminal surface, the utility model aims at providing a frock clamp device of grinding bearing cylindrical roller terminal surface.
The utility model adopts the following technical scheme for accomplishing the above purpose:
a tool clamp for grinding the end face of a cylindrical roller is provided with an upper roller and a lower roller which are used as driving wheels; the upper roller and the lower roller are both contacted with the outer diameter surface of the cylindrical roller to be ground, and form a supporting wheel for supporting the cylindrical roller; the tool clamp is also provided with a pressing wheel for pressing the cylindrical roller; the pinch roller, the upper roller and the lower roller jointly form three-point positioning for clamping the cylindrical roller in the circumferential direction; an included angle used for enabling the cylindrical roller to generate a feeding force in the grinding process is formed between the axis of the pressing wheel and the axis of the cylindrical roller; and a pinch roller cylinder used for driving the pinch roller to compress the cylindrical roller is arranged corresponding to the pinch roller.
The upper roller and the lower roller are provided with rotating shafts, and the rotating shafts of the upper roller and the lower roller are connected through a synchronous belt and driven by the same motor.
The included angle between the axis of the pressing wheel and the axis of the cylindrical roller is 0-15 degrees.
The utility model provides a frock clamp device of grinding bearing cylindrical roller terminal surface, adopt above-mentioned technical scheme, the contained angle that designs between the axis of pinch roller and the axis of cylindrical roller can produce the axial force that promotes the roller to go forward, namely the feeding force of cylindrical roller in the grinding process, thereby has guaranteed that cylindrical roller terminal surface always contacts with the emery wheel in the grinding process, has guaranteed the continuous grinding of cylindrical roller terminal surface; the pressing force of the pressing wheel on the cylindrical roller is adjusted by adjusting the pressing force of the pressing wheel cylinder, so that the feeding speed of the cylindrical roller in the grinding process is adjusted;
the fixture consisting of the pressing wheel, the upper roller and the lower roller can realize the positioning of the cylindrical roller in the circumferential direction, so that the roller only has rotary motion and feeding motion along the axis, the swinging of the roller in the radial direction is eliminated, the run-out and convexity of the end surface of the cylindrical roller can be well controlled, the grinding precision is controlled, the run-out precision and convexity precision of the end surface of the cylindrical roller are ensured, and the requirements of the rolling bearing standard on the run-out and convexity of the end surface of the I-grade and 0-grade rollers are met; meanwhile, compared with the existing clamp, the grinding efficiency is improved by about 2 times, and the surface roughness can reach 0.08.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the structure of the pressing wheel and the cylindrical roller.
In the figure: 1. the device comprises a pinch roller, 2, an upper roller, 3, a lower roller, 4, a pinch roller seat, 5, a pinch roller cylinder, 6 and a cylindrical roller.
Detailed Description
The invention is described in connection with the accompanying drawings and the embodiments:
as shown in fig. 1, a tooling fixture for grinding the end face of a cylindrical roller, which is provided with an upper roller 2 and a lower roller 3 as driving wheels; the upper roller 2 and the lower roller 3 are both contacted with the outer diameter surface of a cylindrical roller 6 to be ground, and form a supporting wheel for supporting the cylindrical roller; the tool clamp is also provided with a pressing wheel 1 for pressing the cylindrical roller; with reference to fig. 2, the pinch roller 1 is connected with a pinch roller cylinder 5 through a pinch roller seat 4, and is a driven wheel; the pressing wheel 1, the upper roller 2 and the lower roller 3 jointly form three-point positioning for clamping the cylindrical roller in the circumferential direction, the cylindrical roller only rotates and moves in the axial direction during grinding, and the swinging of the roller in the radial direction is eliminated, so that the runout and convexity of the end surface of the cylindrical roller can be well controlled, the grinding precision is controlled, the runout precision and convexity precision of the end surface of the cylindrical roller are ensured, and the requirements on the runout and convexity of the end surface of a roller of I grade and 0 grade in the rolling bearing standard are met; meanwhile, compared with the existing clamp, the grinding efficiency is improved by about 2 times, and the surface roughness can reach 0.08; an included angle is formed between the axis of the pressing wheel 1 and the axis of the cylindrical roller 6, and the included angle formed between the axis of the pressing wheel and the axis of the cylindrical roller is 0-15 degrees; the axial force for pushing the roller to advance, namely the feeding force of the cylindrical roller in the grinding process can be generated, so that the end face of the cylindrical roller is always in contact with a grinding wheel in the grinding process, and the continuous grinding of the end face of the cylindrical roller is ensured; and a pinch roller cylinder 5 for driving the pinch roller 1 to pinch the cylindrical roller is arranged corresponding to the pinch roller 1, and the pressing force of the pinch roller 1 on the cylindrical roller 6 is adjusted by adjusting the pressing force of the pinch roller cylinder 5, so that the feeding speed of the roller in the grinding process can be adjusted.
The upper roller 2 and the lower roller 3 are provided with rotating shafts, and the rotating shafts of the upper roller 2 and the lower roller 3 are connected by a synchronous belt and driven by the same motor.
Through adopting the utility model relates to a frock clamp has carried out the end face grinding to outer footpath 32mm length 52 mm's cylindrical roller. After electrification and ventilation, the pressing wheel cylinder 5 drives the pressing wheel 1 to press the cylindrical roller against the upper roller wheel 2 and the lower roller wheel 3 after air enters, the cylindrical roller 6 is driven to rotate through the upper roller wheel 2 and the lower roller wheel 3, the pressing wheel 1 follows up, the cylindrical roller is fed along the axis direction in the grinding process, after grinding is finished, the pressing wheel cylinder 5 drives the pressing wheel 1 to retreat, and the cylindrical roller leaves a grinding area; through inspection, the cylindrical roller meets the quality requirement of the primary cylindrical roller.
Claims (3)
1. The utility model provides a frock clamp of cylindrical roller end face grinding which characterized in that: the tool clamp is provided with an upper roller and a lower roller which are used as driving wheels; the upper roller and the lower roller are both contacted with the outer diameter surface of the cylindrical roller to be ground, and form a supporting wheel for supporting the cylindrical roller; the tool clamp is also provided with a pressing wheel for pressing the cylindrical roller; the pinch roller, the upper roller and the lower roller jointly form three-point positioning for clamping the cylindrical roller in the circumferential direction; an included angle used for enabling the cylindrical roller to generate a feeding force in the grinding process is formed between the axis of the pressing wheel and the axis of the cylindrical roller; and a pinch roller cylinder used for driving the pinch roller to compress the cylindrical roller is arranged corresponding to the pinch roller.
2. The tool clamp for grinding the end face of the cylindrical roller as claimed in claim 1, wherein: the included angle between the axis of the pressing wheel and the axis of the cylindrical roller is 0-15 degrees.
3. The tool clamp for grinding the end face of the cylindrical roller as claimed in claim 1, wherein: the upper roller and the lower roller are provided with rotating shafts, and the rotating shafts of the upper roller and the lower roller are connected through a synchronous belt and driven by the same motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921673199.9U CN210588496U (en) | 2019-10-09 | 2019-10-09 | Tool clamp for grinding end face of cylindrical roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921673199.9U CN210588496U (en) | 2019-10-09 | 2019-10-09 | Tool clamp for grinding end face of cylindrical roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210588496U true CN210588496U (en) | 2020-05-22 |
Family
ID=70700517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921673199.9U Expired - Fee Related CN210588496U (en) | 2019-10-09 | 2019-10-09 | Tool clamp for grinding end face of cylindrical roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210588496U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112008834A (en) * | 2020-07-16 | 2020-12-01 | 洛阳轴承研究所有限公司 | Production and processing method of ceramic cylindrical roller |
| CN113263378A (en) * | 2021-06-07 | 2021-08-17 | 新昌县容天乐轴承科技有限公司 | Bearing outer sleeve perpendicularity trimming tool and trimming method |
-
2019
- 2019-10-09 CN CN201921673199.9U patent/CN210588496U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112008834A (en) * | 2020-07-16 | 2020-12-01 | 洛阳轴承研究所有限公司 | Production and processing method of ceramic cylindrical roller |
| CN113263378A (en) * | 2021-06-07 | 2021-08-17 | 新昌县容天乐轴承科技有限公司 | Bearing outer sleeve perpendicularity trimming tool and trimming method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 |