CN209737496U - three-jaw type continuous rolling operation roller bearing dismounting device - Google Patents
three-jaw type continuous rolling operation roller bearing dismounting device Download PDFInfo
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- CN209737496U CN209737496U CN201920444140.6U CN201920444140U CN209737496U CN 209737496 U CN209737496 U CN 209737496U CN 201920444140 U CN201920444140 U CN 201920444140U CN 209737496 U CN209737496 U CN 209737496U
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- threaded rod
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- roller bearing
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Abstract
the utility model relates to the technical field of cold rolling equipment, in particular to a three-jaw continuous rolling operation roller bearing dismounting device, which comprises a workbench; a first upright column and a second upright column are respectively arranged on two sides of the workbench, and the top of the first upright column and the top of the second upright column are respectively connected with two ends of the supporting girder; a bearing pulling oil cylinder is vertically arranged in the middle of the support girder, a threaded rod is arranged at the bottom of a pneumatic rod of the bearing pulling oil cylinder, the threaded rod and the pneumatic rod are coaxially arranged, an installation frame is arranged at the end part of the threaded rod, and a three-jaw reverse-pulling mechanism is arranged on the installation frame; the rotatable carousel that is equipped with on the threaded rod, the bottom of carousel is equipped with the ring baffle, the ring baffle outwards sets up to the other end slope from the one end that is close to the carousel, the tip of the one end of arc steel claw supports and leans on the ring baffle. The utility model provides a three-jaw formula tandem rolling operation roller bearing dismounting device simple structure, convenient to detach have prolonged the life of equipment.
Description
Technical Field
The utility model relates to a cold rolling equipment technical field especially relates to three-jaw formula tandem rolling operation roller bearing dismounting device.
background
When the rolling mill working roll bearing seat is maintained and maintained at ordinary times, the bearing needs to be knocked out by a copper rod when being worn or damaged, the damage to the bearing caused by the disassembling mode is larger, the service life of the bearing is directly reduced, and the production cost is greatly increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a simple structure, convenient to detach three-jaw formula tandem rolling operation roller bearing dismounting device are provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: the three-jaw continuous rolling operation roller bearing dismounting device comprises a workbench;
a first upright column and a second upright column are respectively arranged on two sides of the workbench, and the top of the first upright column and the top of the second upright column are respectively connected with two ends of the supporting girder;
A bearing pulling oil cylinder is vertically arranged in the middle of the support girder, a threaded rod is arranged at the bottom of a pneumatic rod of the bearing pulling oil cylinder, the threaded rod and the pneumatic rod are coaxially arranged, an installation frame is arranged at the end part of the threaded rod, and a three-jaw reverse-pulling mechanism is arranged on the installation frame;
the three-jaw reverse-pulling mechanism comprises three arc-shaped steel jaws, one end of each arc-shaped steel jaw is rotatably arranged on the mounting frame, and the three arc-shaped steel jaws are uniformly distributed on the mounting frame;
The rotatable carousel that is equipped with on the threaded rod, the bottom of carousel is equipped with the ring baffle, the ring baffle outwards sets up to the other end slope from the one end that is close to the carousel, the tip of the one end of arc steel claw supports and leans on the ring baffle.
In an optional embodiment, two opposite side walls of the first upright column and the second upright column are respectively provided with a threaded hole, a positioning column is arranged in the threaded hole, and a positioning block used for clamping the working roller is arranged at the end part of the positioning column.
in an alternative embodiment, the thread on the threaded rod is a fine thread.
In an alternative embodiment, a work roll mounting groove is formed in the workbench between the first upright and the second upright.
In an alternative embodiment, the angle of inclination of the annular baffle is in the range 30 ° to 60 °.
The beneficial effects of the utility model reside in that: the utility model provides a three-jaw formula tandem rolling operation roller bearing dismounting device, comprises a workbench, install first stand on the workstation, second stand and support girder, be equipped with the bearing oil cylinder of pulling out that connects gradually on supporting the girder, the threaded rod, mounting bracket and three-jaw reverse-pulling horse mechanism, support arc steel claw through the carousel that has ring baffle of installing on the threaded rod, make arc steel claw closed when it stretches into the bearing at hydro-cylinder control, open again after the fixed and catch on the bearing from inside, utilize the hydro-cylinder to drive arc steel claw at last and take out the bearing, accomplish the dismantlement operation. After the operation roller is placed on the workbench, the operation roller is locked and fixed through the positioning columns arranged on the first upright post and the second upright post. The fine thread is adopted to facilitate the lifting adjustment of the turntable on the deformed steel bar, so that the disassembly efficiency and the disassembly precision are improved. The operation roller mounting groove is used for mounting the operation roller, and the firm and stable positioning of the operation roller is guaranteed. The inclination angle of the annular baffle is designed to be 30-60 degrees, so that the opening or closing speed of the arc-shaped steel claw is proper, the arc-shaped steel claw is convenient to control to hook the bearing, and the equipment is not easy to damage. The utility model provides a three-jaw formula tandem rolling operation roller bearing dismounting device simple structure, convenient to detach have prolonged the life of equipment.
Drawings
Fig. 1 is a schematic structural view of a three-jaw continuous rolling operation roller bearing dismounting device according to an embodiment of the present invention;
Fig. 2 is a sectional view of the three-jaw continuous rolling operation roller bearing dismounting device according to the embodiment of the present invention;
description of reference numerals:
1-a workbench;
2-a first upright;
3-a second upright;
4-supporting the girder; 41-pulling the bearing oil cylinder; 42-threaded rod; 43-a mounting frame; 44-a turntable; 45-ring baffle;
5-three-jaw reverse-pulling mechanism; 51-arc steel claw;
6-positioning columns;
7-installing groove of working roll.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The utility model discloses the most crucial design lies in: the bearing pulling device is characterized in that a first stand column, a second stand column and a supporting girder are installed on a workbench, a bearing pulling oil cylinder, a threaded rod, an installation frame and a three-jaw reverse pulling mechanism which are connected in sequence are arranged on the supporting girder, an arc-shaped steel jaw is supported through a turntable with an annular baffle plate installed on the threaded rod, the arc-shaped steel jaw is closed when the oil cylinder controls the arc-shaped steel jaw to stretch into a bearing, the bearing is hooked from the inside after the arc-shaped steel jaw is fixed, and finally the oil cylinder is used for driving the arc-shaped steel jaw to pull out the bearing.
referring to fig. 1 to 2, the three-jaw type continuous rolling operation roller bearing dismounting device of the present invention comprises a worktable;
a first upright column and a second upright column are respectively arranged on two sides of the workbench, and the top of the first upright column and the top of the second upright column are respectively connected with two ends of the supporting girder;
A bearing pulling oil cylinder is vertically arranged in the middle of the support girder, a threaded rod is arranged at the bottom of a pneumatic rod of the bearing pulling oil cylinder, the threaded rod and the pneumatic rod are coaxially arranged, an installation frame is arranged at the end part of the threaded rod, and a three-jaw reverse-pulling mechanism is arranged on the installation frame;
the three-jaw reverse-pulling mechanism comprises three arc-shaped steel jaws, one end of each arc-shaped steel jaw is rotatably arranged on the mounting frame, and the three arc-shaped steel jaws are uniformly distributed on the mounting frame;
The rotatable carousel that is equipped with on the threaded rod, the bottom of carousel is equipped with the ring baffle, the ring baffle outwards sets up to the other end slope from the one end that is close to the carousel, the tip of the one end of arc steel claw supports and leans on the ring baffle.
from the above description, the beneficial effects of the present invention are: the bearing pulling device is characterized in that a first stand column, a second stand column and a supporting girder are installed on a workbench, a bearing pulling oil cylinder, a threaded rod, an installation frame and a three-jaw reverse pulling mechanism which are connected in sequence are arranged on the supporting girder, an arc-shaped steel jaw is supported through a turntable with an annular baffle plate installed on the threaded rod, the arc-shaped steel jaw is closed when the oil cylinder controls the arc-shaped steel jaw to stretch into a bearing, the bearing is hooked from the inside after the arc-shaped steel jaw is fixed, and finally the oil cylinder is used for driving the arc-shaped steel jaw to pull out the bearing.
furthermore, threaded holes are formed in two opposite side walls of the first stand column and the second stand column, positioning columns are arranged in the threaded holes, and positioning blocks used for clamping the operation rollers are arranged at the end portions of the positioning columns.
as can be seen from the above description, after the work roll is placed on the work table, it is locked and fixed by the positioning columns installed on the first and second columns.
Further, the thread on the threaded rod is a fine thread.
From the above description, it can be known that the adoption of the fine thread facilitates the lifting adjustment of the turntable on the deformed steel bar, and improves the dismounting efficiency and precision.
Furthermore, an operation roller mounting groove is formed between the first stand column and the second stand column on the workbench.
from the above description, the installation groove of the working roller is used for installing the working roller, and the firm and stable positioning of the working roller is ensured.
Further, the inclination angle of the annular baffle is in the range of 30-60 degrees.
From the above description, the inclination angle of the annular baffle is designed to be 30-60 degrees, so that the opening or closing speed of the arc-shaped steel claw is proper, the arc-shaped steel claw is convenient to control to hook the bearing, and the equipment is not easy to damage.
Referring to fig. 1 to fig. 2, a first embodiment of the present invention is: the three-jaw type tandem rolling operation roller bearing dismounting device comprises a workbench 1;
A first upright post 2 and a second upright post 3 are respectively arranged on two sides of the workbench 1, and the top of the first upright post 2 and the top of the second upright post 3 are respectively connected with two ends of a supporting girder 4;
a bearing pulling oil cylinder 41 is vertically arranged in the middle of the support girder 4, a threaded rod 42 is arranged at the bottom of a pneumatic rod of the bearing pulling oil cylinder 41, the threaded rod 42 and the pneumatic rod are coaxially arranged, an installation frame 43 is arranged at the end part of the threaded rod 42, and a three-jaw reverse-pulling mechanism 5 is arranged on the installation frame 43;
the three-jaw reverse-pulling mechanism 5 comprises three arc-shaped steel jaws 51, one end of each arc-shaped steel jaw 51 is rotatably arranged on the mounting frame 43, and the three arc-shaped steel jaws 51 are uniformly distributed on the mounting frame 43;
The threaded rod 42 is rotatably provided with a rotary disc 44, the bottom of the rotary disc 44 is provided with an annular baffle 45, the annular baffle 45 is obliquely and outwards arranged from one end close to the rotary disc 44 to the other end, and the end part of one end of the arc-shaped steel claw 51 is abutted against the annular baffle 45.
referring to fig. 1 to 2, a second embodiment of the present invention is: the three-jaw type tandem rolling operation roller bearing dismounting device comprises a workbench 1;
a first upright post 2 and a second upright post 3 are respectively arranged on two sides of the workbench 1, and the top of the first upright post 2 and the top of the second upright post 3 are respectively connected with two ends of a supporting girder 4;
A bearing pulling oil cylinder 41 is vertically arranged in the middle of the support girder 4, a threaded rod 42 is arranged at the bottom of a pneumatic rod of the bearing pulling oil cylinder 41, the threaded rod 42 and the pneumatic rod are coaxially arranged, an installation frame 43 is arranged at the end part of the threaded rod 42, and a three-jaw reverse-pulling mechanism 5 is arranged on the installation frame 43;
the three-jaw reverse-pulling mechanism 5 comprises three arc-shaped steel jaws 51, one end of each arc-shaped steel jaw 51 is rotatably arranged on the mounting frame 43, and the three arc-shaped steel jaws 51 are uniformly distributed on the mounting frame 43;
the threaded rod 42 is rotatably provided with a rotary disc 44, the bottom of the rotary disc 44 is provided with an annular baffle 45, the annular baffle 45 is obliquely and outwards arranged from one end close to the rotary disc 44 to the other end, and the end part of one end of the arc-shaped steel claw 51 is abutted against the annular baffle 45.
All be equipped with the screw hole on two relative lateral walls of first stand 2 and second stand 3, threaded hole is equipped with reference column 6, the tip of reference column 6 is equipped with the locating piece that is used for pressing from both sides tight operation roller. The thread on the threaded rod 42 is a fine thread. And an operation roller mounting groove 7 is arranged between the first upright post 2 and the second upright post 3 on the workbench 1. The inclination angle of the annular baffle 45 ranges from 30 to 60 °.
To sum up, the utility model provides a three-jaw formula tandem rolling operation roller bearing dismounting device, including the workstation, install first stand, second stand and support girder on the workstation, be equipped with the bearing oil cylinder of pulling out that connects gradually on supporting the girder, the threaded rod, mounting bracket and three-jaw reverse-drawing horse mechanism, support arc steel claw through the carousel that installs the annular baffle that has on the threaded rod, make arc steel claw closed when it stretches into the bearing at cylinder control, open again after fixed and catch on the bearing from inside, utilize the hydro-cylinder to drive arc steel claw at last and take the bearing out, accomplish and dismantle the operation. After the operation roller is placed on the workbench, the operation roller is locked and fixed through the positioning columns arranged on the first upright post and the second upright post. The fine thread is adopted to facilitate the lifting adjustment of the turntable on the deformed steel bar, so that the disassembly efficiency and the disassembly precision are improved. The operation roller mounting groove is used for mounting the operation roller, and the firm and stable positioning of the operation roller is guaranteed. The inclination angle of the annular baffle is designed to be 30-60 degrees, so that the opening or closing speed of the arc-shaped steel claw is proper, the arc-shaped steel claw is convenient to control to hook the bearing, and the equipment is not easy to damage. The utility model provides a three-jaw formula tandem rolling operation roller bearing dismounting device simple structure, convenient to detach have prolonged the life of equipment.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (5)
1. the three-jaw type continuous rolling operation roller bearing dismounting device is characterized by comprising a workbench;
a first upright column and a second upright column are respectively arranged on two sides of the workbench, and the top of the first upright column and the top of the second upright column are respectively connected with two ends of the supporting girder;
a bearing pulling oil cylinder is vertically arranged in the middle of the support girder, a threaded rod is arranged at the bottom of a pneumatic rod of the bearing pulling oil cylinder, the threaded rod and the pneumatic rod are coaxially arranged, an installation frame is arranged at the end part of the threaded rod, and a three-jaw reverse-pulling mechanism is arranged on the installation frame;
the three-jaw reverse-pulling mechanism comprises three arc-shaped steel jaws, one end of each arc-shaped steel jaw is rotatably arranged on the mounting frame, and the three arc-shaped steel jaws are uniformly distributed on the mounting frame;
The rotatable carousel that is equipped with on the threaded rod, the bottom of carousel is equipped with the ring baffle, the ring baffle outwards sets up to the other end slope from the one end that is close to the carousel, the tip of the one end of arc steel claw supports and leans on the ring baffle.
2. The three-jaw continuous rolling operation roller bearing dismounting device according to claim 1, wherein two opposite side walls of the first upright and the second upright are provided with threaded holes, positioning columns are arranged in the threaded holes, and the end parts of the positioning columns are provided with positioning blocks used for clamping operation rollers.
3. The three-jaw tandem rolling operation roller bearing removing device according to claim 1, wherein the thread on the threaded rod is a fine thread.
4. the three-jaw continuous rolling operation roller bearing dismounting device according to claim 1, wherein an operation roller mounting groove is formed between the first upright and the second upright on the workbench.
5. the three-jaw tandem rolling operation roller bearing dismounting device according to claim 1, wherein the inclination angle of the ring-shaped baffle is in the range of 30 ° to 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920444140.6U CN209737496U (en) | 2019-04-03 | 2019-04-03 | three-jaw type continuous rolling operation roller bearing dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920444140.6U CN209737496U (en) | 2019-04-03 | 2019-04-03 | three-jaw type continuous rolling operation roller bearing dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209737496U true CN209737496U (en) | 2019-12-06 |
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ID=68719611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920444140.6U Active CN209737496U (en) | 2019-04-03 | 2019-04-03 | three-jaw type continuous rolling operation roller bearing dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209737496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112847244A (en) * | 2020-12-28 | 2021-05-28 | 福建恒杰塑业新材料有限公司 | Quick dismounting device for inner flange of pipe fitting |
-
2019
- 2019-04-03 CN CN201920444140.6U patent/CN209737496U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112847244A (en) * | 2020-12-28 | 2021-05-28 | 福建恒杰塑业新材料有限公司 | Quick dismounting device for inner flange of pipe fitting |
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