CN211940156U - Auxiliary grinding tool for bearing-removing hollow roller - Google Patents
Auxiliary grinding tool for bearing-removing hollow roller Download PDFInfo
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- CN211940156U CN211940156U CN202020486566.0U CN202020486566U CN211940156U CN 211940156 U CN211940156 U CN 211940156U CN 202020486566 U CN202020486566 U CN 202020486566U CN 211940156 U CN211940156 U CN 211940156U
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- extension fixture
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Abstract
The utility model relates to a remove bearing hollow roller and cut assistive device. The auxiliary grinding tool comprises a first extension fixture, a second extension fixture, a first auxiliary grinding tool, a second auxiliary grinding tool and a shifting fork, wherein the first auxiliary grinding tool and the second auxiliary grinding tool are respectively installed at two ends of a hollow roller and are in transition fit with an inner hole of the hollow roller, the first auxiliary grinding tool and the second auxiliary grinding tool are fixedly connected with the hollow roller through bolts, one ends, far away from the hollow roller, of the first auxiliary grinding tool and the second auxiliary grinding tool are respectively and coaxially and fixedly connected with one ends of the first extension fixture and the second extension fixture, the other ends of the first extension fixture and the second extension fixture are respectively connected onto a headstock of a grinding machine and a tailstock of the grinding machine, the shifting fork penetrates through one end, close to the headstock of the grinding machine, of the first extension fixture and the first extension fixture, supporting and grinding supporting parts are arranged on the first auxiliary grinding tool and the second grinding tool, and. The utility model discloses an assist the utensil and replace the bearing to carry out the grinding to hollow roller, guaranteed the grinding precision and the grinding quality of hollow roller.
Description
Technical Field
The utility model belongs to the technical field of the technique of hollow roller grinding and specifically relates to a remove hollow roller of bearing and grind assistive device.
Background
In the production of sheet metal strips, a hollow roll with bearings is a roll which is widely applied in production fields. The surface of the hollow roller with the bearing can form a fatigue layer during the use process, the grinding needs to be replaced periodically, and otherwise the surface quality of the strip can be seriously influenced.
The wall thickness of a workpiece of the hollow roller with the bearing is about 1/6 of the diameter of the workpiece, the middle of the roller is hollow, end covers at two ends are connected with a mandrel through the bearing, the conventional grinding method is grinding with the bearing, the method takes the bearings at the end covers at the two ends as a positioning reference, and the radial run-out value of the roller surface is large during grinding due to the problem of bearing play, so that the grinding efficiency is low. Meanwhile, the internal stress is increased, the workpiece is easy to deform and the heat conduction is uneven due to the heat generated during grinding, and then the phenomenon of single-side grinding is generated, so that the adverse effects of intermittent grinding, overlarge radial roundness error of the ground workpiece and the like are caused, the quality of the roller surface is difficult to control, and the grinding defects of vibration grains, twill, spiral grains, feed marks and the like exist, so that the surface quality of the strip is seriously influenced.
Therefore, a set of hollow roller grinding auxiliary tool capable of removing the bearing needs to be designed, the influence of overlarge roller radial roundness error caused by bearing play is eliminated, and the roller grinding precision and grinding quality are ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a remove bearing hollow roller and grind supplementary utensil, it replaces the bearing to carry out the grinding to hollow roller through assisting the utensil, has guaranteed the grinding precision and the grinding quality of hollow roller.
The above object of the present invention is achieved by the following technical solutions:
a hollow roller grinding auxiliary tool for removing bearings comprises a hollow roller, a grinding machine headstock, a grinding machine tailstock and a center frame, wherein threaded holes are formed in the side walls of two ends of the hollow roller, the hollow roller grinding auxiliary tool further comprises a first extension fixture, a second extension fixture, a first grinding auxiliary tool, a second grinding auxiliary tool and a shifting fork, the first grinding auxiliary tool and the second grinding auxiliary tool are respectively installed at two ends of the hollow roller and are in transition fit with an inner hole of the hollow roller, convex edges are respectively arranged at the connecting ends of the first grinding auxiliary tool, the second grinding auxiliary tool and the hollow roller, threaded holes are formed in the convex edges, bolts penetrate through the threaded holes, the threaded holes in the convex edges correspond to the threaded holes in the hollow roller one by one, the first grinding auxiliary tool and the second grinding auxiliary tool are fixedly connected with the hollow roller through the bolts, one ends, far away from the hollow roller, of the first grinding auxiliary tool and the second grinding auxiliary tool are respectively and coaxially and fixedly connected with one ends of the first extension fixture and the second extension fixture, the other ends, the shifting fork penetrates through one end, close to the headstock of the grinding machine, of the first extension fixture and is fixedly connected with the first extension fixture, the first grinding auxiliary tool and the second grinding auxiliary tool are both provided with supporting and grinding supporting parts, and the supporting and grinding supporting parts are matched with the center frame.
The utility model discloses further set up to: and the ends, far away from the hollow roller, of the first grinding auxiliary tool and the second grinding auxiliary tool are provided with center holes, the center holes and the axis of the hollow roller are on the same straight line, and the taper of the center holes is consistent with the requirements of the center of the grinding machine.
The utility model discloses further set up to: the supporting and grinding support component is of an annular structure, the supporting and grinding support component is arranged on the first grinding auxiliary tool and the second grinding auxiliary tool in a penetrating mode and is designed integrally, the supporting and grinding support component is manufactured according to the standard size of the center frame, and the surface of the supporting and grinding support component is polished and subjected to heat treatment.
The utility model discloses further set up to: the side wall of one end of the first extension fixture and the second extension fixture, which are connected with the first grinding auxiliary tool and the second grinding auxiliary tool, is provided with a convex edge, threaded holes are formed in the convex edge and one end, close to the first extension fixture and the second extension fixture, of the supporting and grinding support component, and the first extension fixture and the second extension fixture are fixedly connected with the first grinding auxiliary tool and the second grinding auxiliary tool through bolts.
The utility model discloses further set up to: the first extension fixture and the second extension fixture are both of hollow structures, and one ends, far away from the hollow roller, of the first grinding auxiliary tool and the second grinding auxiliary tool are respectively inserted into the first extension fixture and the second extension fixture.
The utility model discloses further set up to: one end of the first extension fixture, which penetrates through the shifting fork, is arranged to be flat-head-shaped.
To sum up, the utility model discloses a beneficial technological effect does:
1. one end of the first grinding auxiliary tool and one end of the second grinding auxiliary tool are respectively in transition fit with an inner hole of the hollow roller and are fixedly connected through a bolt, and compared with the mode that the transition fit is combined with the bolt in the process of grinding with a bearing, the concentricity and the coaxiality of the first grinding auxiliary tool and the second grinding auxiliary tool and the hollow roller are ensured, the clearance between the hollow roller and the grinding auxiliary tool is smaller, the radial roundness tolerance of the hollow roller in the process of grinding is smaller, and the grinding precision of the hollow roller is ensured;
2. the grinding assistive device is provided with the supporting and grinding support component and the center hole, and is connected through the bolts, so that the dismounting is convenient, a production worker can select a supporting and grinding mode or a top grinding mode according to field production conditions, and the production change efficiency is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;
FIG. 3 is an exploded view of FIG. 1;
FIG. 4 is an enlarged partial schematic view of portion B of FIG. 3;
FIG. 5 is a schematic view of a matching structure of a grinding machine and a grinding auxiliary tool;
FIG. 6 is an enlarged partial schematic view of portion C of FIG. 5;
figure 7 is a schematic view of the structure of the blunt end of the first extension fixture.
In the figure, 1, grinding is assisted with one; 11. a convex edge; 12. a backup grinding support member; 13. a threaded hole; 14. a bolt; 15. a tip hole; 2. grinding auxiliary tools II; 3. extending the first fixture; 4. a second extension fixture; 5. a shifting fork; 6. a hollow roll; 7. a grinder head frame; 71. column shifting; 8. a grinding machine tailstock; 9. a center frame.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-7, for the utility model discloses a remove bearing hollow roller grinding and assist utensil, including hollow roller 6, extension fixture 3, extension fixture two 4, grinding and assist utensil 1, grinding and assist utensil two 2 and shift fork 5, it is through mutually supporting with the grinding machine, carries out the grinding to hollow roller 6. One end of the grinding auxiliary tool I1 and one end of the grinding auxiliary tool II 2 are respectively arranged at two ends of the hollow roller 6 in a penetrating mode and are in transition fit with an inner hole of the hollow roller 6, the transition fit enables the fit between the grinding auxiliary tool I and the hollow roller to be tighter, and the installation is easier. Threaded holes 13 are formed in the side walls of two ends of the hollow roller 6, the connecting ends of the grinding auxiliary tool I1 and the grinding auxiliary tool II 2 and the hollow roller 6 are respectively provided with a convex edge 11, threaded holes 13 are also formed in the convex edges 11, the threaded holes 13 in the hollow roller 6 correspond to the threaded holes 13 in the convex edges 11 one by one, bolts 14 penetrate through the threaded holes 13, and the grinding auxiliary tool I1 and the grinding auxiliary tool II 2 are fixedly connected with the hollow roller 6 through the bolts 14. Compared with the mode of fixedly connecting the transition fit with the bolt 14 during grinding with the bearing, the concentricity and the coaxiality of the grinding auxiliary tool I1, the grinding auxiliary tool II 2 and the hollow roller 6 are ensured, the clearance between the hollow roller 6 and the grinding auxiliary tool is smaller, the radial roundness tolerance of the hollow roller 6 during grinding is smaller, and the grinding precision of the hollow roller 6 is ensured.
The grinding machine comprises a grinding machine head frame 7, a grinding machine tail frame 8 and a center frame 9, wherein the grinding machine head frame 7 and the grinding machine tail frame 8 are located at two ends of the grinding machine, and the center frame 9 is located on a grinding machine body. The grinding auxiliary tool I1 and the grinding auxiliary tool II 2 are both provided with a supporting and grinding supporting part 12, the supporting and grinding supporting part 12 is of an annular structure, the supporting and grinding supporting part 12 penetrates through the grinding auxiliary tool I1 and the grinding auxiliary tool II 2 and is integrally designed, the supporting and grinding supporting part 12 is manufactured according to the standard size of the center frame 9, the supporting and grinding supporting part 12 is placed on the center frame 9, and accordingly supporting and grinding of the hollow roller 6 are achieved. In addition, the surface of the truing support member 12 is polished and heat-treated, increasing the wear resistance of the truing support member 12. The first extension fixture 3 and the second extension fixture 4 are both of hollow structures, so that materials are saved, and the assembly is convenient due to the fact that the weight is light. The grinding assisting tool I1 and the grinding assisting tool II 2 are respectively inserted into the extension fixture I3 and the extension fixture II 4 at the ends far away from the hollow roller 6, the extension fixture I3 and the extension fixture II 4 are connected with the grinding assisting tool I1 and the grinding assisting tool II 2, a convex edge 11 is arranged on the side wall of one end of the convex edge 11, a threaded hole 13 is formed in the convex edge 11, a threaded hole 13 is also formed in one end, close to the extension fixture I3 and the extension fixture II 4, of the supporting and grinding supporting part 12, a bolt 14 penetrates through the threaded hole 13, and the extension fixture I3 and the extension fixture II 4 are respectively and fixedly connected with the grinding assisting tool I1 and the grinding assisting tool II 2 through bolts 14. The other ends of the first extension fixture 3 and the second extension fixture 4 are respectively connected to the grinding machine headstock 7 and the grinding machine tailstock 8, and the transmission end of the grinding machine is located on the side of the grinding machine headstock 7, so that the shifting fork 5 penetrates through one end, close to the grinding machine headstock 7, of the first extension fixture 3, and the shifting fork 5 is fixed on the first extension fixture 3 through the bolt 14. One end of the first extension fixture 3, which is connected with the shifting fork 5, is arranged to be flat, so that the shifting fork 5 can be conveniently fixed on the first extension fixture 3. A shifting column 71 is arranged on the side of the grinding machine head frame 7, the shifting column 71 drives a shifting fork 5 to rotate to drive a first extension fixture 3 to rotate, and then the hollow roller 6 is driven to rotate to grind.
When the grinding machine meets the grinding supporting requirement, the first grinding auxiliary tool 1 is connected with the first extension fixture 3 through the bolt 14, and the second grinding auxiliary tool 2 is connected with the second extension fixture 4. And then respectively installing the first grinding auxiliary tool 1 and the second grinding auxiliary tool 2 to the installation positions of the hollow roller 6 through bolts 14, finally fixing the shifting fork 5 on the first extension fixture 3, hoisting the assembled hollow roller 6 to a grinding machine for grinding, wherein the first extension fixture 3 and the second extension fixture 4 can prevent the position of the grinding wheel grinding machine from colliding with the grinding head frame 7 and the grinding tail frame 8 in the advancing process.
The end, far away from the hollow roller 6, of the grinding auxiliary tool I1 and the grinding auxiliary tool II 2 is provided with a center hole 15, the center hole 15 and the axis of the hollow roller 6 are on the same straight line, the taper of the center hole 15 is consistent with the requirement of the center of the grinding machine, when the grinding machine meets the requirement of top grinding, the grinding auxiliary tool I1 is installed to the installation position of one end of the hollow roller 6 through a bolt 14, the grinding auxiliary tool II 2 is installed to the installation position of the other end of the hollow roller 6, and finally the hollow roller 6 after assembly is hoisted to the grinding machine, so that the center of the grinding machine is matched with the center hole 15 to carry out grinding.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides a remove bearing hollow roller and grind supplementary utensil, includes hollow roller, grinding machine headstock, grinding machine tailstock and centre frame, is provided with screw hole, its characterized in that on the both ends lateral wall of hollow roller: the grinding auxiliary tool I and the grinding auxiliary tool II are respectively arranged at two ends of the hollow roller and are in transition fit with an inner hole of the hollow roller, convex edges are arranged at the connecting ends of the grinding auxiliary tool I and the grinding auxiliary tool II and the hollow roller, threaded holes are formed in the convex edges, bolts are arranged in the threaded holes in a penetrating mode, the threaded holes in the convex edges correspond to the threaded holes in the hollow roller one by one, the grinding auxiliary tool I and the grinding auxiliary tool II are fixedly connected with the hollow roller through the bolts, one ends of the grinding auxiliary tool I and the grinding auxiliary tool II, which are far away from the hollow roller, are respectively and coaxially and fixedly connected with one ends of the extension fixture I and the extension fixture II, the other ends of the extension fixture I and the extension fixture II are respectively connected to a grinding machine head frame and a grinding machine tail frame, and the shifting fork is arranged at one end of the extension fixture I, which is close to the grinding machine head frame and is fixedly connected with the extension, and the grinding auxiliary tool I and the grinding auxiliary tool II are both provided with a supporting and grinding supporting part, and the supporting and grinding supporting part is matched with the center frame.
2. The bearingless hollow roller milling aid of claim 1, characterized in that: and the ends, far away from the hollow roller, of the first grinding auxiliary tool and the second grinding auxiliary tool are provided with center holes, the center holes and the axis of the hollow roller are on the same straight line, and the taper of the center holes is consistent with the requirements of the center of the grinding machine.
3. The bearingless hollow roller milling aid of claim 2, characterized in that: the supporting and grinding support component is of an annular structure, the supporting and grinding support component is arranged on the first grinding auxiliary tool and the second grinding auxiliary tool in a penetrating mode and is designed integrally, the supporting and grinding support component is manufactured according to the standard size of the center frame, and the surface of the supporting and grinding support component is polished and subjected to heat treatment.
4. The bearingless hollow roller milling aid of claim 1, characterized in that: the side wall of one end of the first extension fixture and the second extension fixture, which are connected with the first grinding auxiliary tool and the second grinding auxiliary tool, is provided with a convex edge, threaded holes are formed in the convex edge and one end, close to the first extension fixture and the second extension fixture, of the supporting and grinding support component, and the first extension fixture and the second extension fixture are fixedly connected with the first grinding auxiliary tool and the second grinding auxiliary tool through bolts.
5. The bearingless hollow roller milling aid of claim 4, wherein: the first extension fixture and the second extension fixture are both of hollow structures, and one ends, far away from the hollow roller, of the first grinding auxiliary tool and the second grinding auxiliary tool are respectively inserted into the first extension fixture and the second extension fixture.
6. The bearingless hollow roller milling aid of claim 1, characterized in that: one end of the first extension fixture, which penetrates through the shifting fork, is arranged to be flat-head-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020486566.0U CN211940156U (en) | 2020-04-07 | 2020-04-07 | Auxiliary grinding tool for bearing-removing hollow roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020486566.0U CN211940156U (en) | 2020-04-07 | 2020-04-07 | Auxiliary grinding tool for bearing-removing hollow roller |
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| CN211940156U true CN211940156U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020486566.0U Active CN211940156U (en) | 2020-04-07 | 2020-04-07 | Auxiliary grinding tool for bearing-removing hollow roller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115008273A (en) * | 2022-07-09 | 2022-09-06 | 浙江佑丰新材料股份有限公司 | Grinding method for grinding hollow guide roller by special grinding machine for roller |
-
2020
- 2020-04-07 CN CN202020486566.0U patent/CN211940156U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115008273A (en) * | 2022-07-09 | 2022-09-06 | 浙江佑丰新材料股份有限公司 | Grinding method for grinding hollow guide roller by special grinding machine for roller |
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