CN215617129U

CN215617129U - Fixing device for bearing

Info

Publication number: CN215617129U
Application number: CN202122013185.8U
Authority: CN
Inventors: 徐志栋
Original assignee: Zhejiang Jingning Precision Bearing Co ltd
Current assignee: Zhejiang Jingning Precision Bearing Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-01-25
Anticipated expiration: 2031-08-25

Abstract

The utility model relates to a fixing device for a bearing, which comprises a rotary table, wherein a first clamping column, a second clamping column and a third clamping column are arranged on the rotary table, the second clamping column and the third clamping column are fixed on the rotary table, the distances from the second clamping column to the center of the rotary table are the same with the distances from the third clamping column to the center of the rotary table, and the distance from the first clamping column to the center of the rotary table is adjustable. The fixing device for the bearing is fixed from the inner side of the bearing, so that the contact surface between the fixing device and the bearing is reduced, and the bearing is convenient to process; the movable clamping column is used for fixing bearings with various sizes; according to the requirement of a machining angle, the horizontal direction of the bearing is adjusted through the matching between the gears, and the inclination angle of the bearing is adjusted through adjusting the height of the clamping column. The fixing device for the bearing has a simple structure, is convenient to operate, and can meet various processing requirements.

Description

Fixing device for bearing

Technical Field

The utility model relates to the field of bearing processing, in particular to a fixing device for a bearing.

Background

The bearing needs to be fixed through the clamping jaws during machining, but the clamping jaws clamp the outer part of the bearing to shield the surface to be machined. And because the outer surface of the bearing is smaller, certain difficulty is caused in clamping stability. In the bearing machining process, different angles of the bearing need to be machined, and the angle adjusting function of the fixing device is also important.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to solve the technical problem of how to fix the bearing and adjust the processing angle of the bearing.

The technical scheme for solving the technical problems is as follows: the utility model provides a fixing device for bearing, includes the carousel, be equipped with first centre gripping post, second centre gripping post and third centre gripping post on the carousel, second centre gripping post and third centre gripping post are fixed on the carousel, the distance that second centre gripping post and third centre gripping post are apart from the centre of a circle of carousel is the same, the distance of the centre of a circle of first centre gripping post and carousel is adjustable.

Furthermore, a slide is arranged on the rotary table, a first telescopic rod which is horizontally placed is fixed in the rotary table at the lower end of the slide, the lower end of the first clamping column is fixedly connected with the front end of the first telescopic rod, and the upper end of the first clamping column extends out of the slide.

Furthermore, the lower ends of the second clamping column and the third clamping column are respectively provided with a second telescopic rod and a third telescopic rod, and the second telescopic rod and the third telescopic rod are fixed on the rotary table.

Furthermore, the lower end of the rotary table is fixedly connected with a large gear, and the large gear is connected with the output end of the motor through a small gear.

Furthermore, the bull gear, the pinion and the motor are all arranged on the base.

Further, the outer end faces of the first clamping column, the second clamping column and the third clamping column incline outwards.

Furthermore, the outer end faces of the first clamping column, the second clamping column and the third clamping column are provided with anti-skid layers.

Furthermore, the lower ends of the outer sides of the second clamping column and the third clamping column are provided with convex limiting plates.

Compared with the prior art, the utility model has the beneficial effects that: the fixing device for the bearing is fixed from the inner side of the bearing, so that the contact surface between the fixing device and the bearing is reduced, and the bearing is convenient to process; the movable clamping column is used for fixing bearings with various sizes; according to the requirement of a machining angle, the horizontal direction of the bearing is adjusted through the matching between the gears, and the inclination angle of the bearing is adjusted through adjusting the height of the clamping column. The fixing device for the bearing has a simple structure, is convenient to operate, and can meet various processing requirements.

Drawings

FIG. 1 is a front view of an embodiment of the present invention;

FIG. 2 is a side view 1 of an embodiment of the present invention;

FIG. 3 is a side view 2 of an embodiment of the present invention;

FIG. 4 is a top view of an embodiment of the present invention.

Reference numerals: 1. the clamping device comprises a rotary table, 2, a first clamping column, 3, a second clamping column, 4, a third clamping column, 5, a slideway, 6, a first telescopic rod, 7, a second telescopic rod, 8, a third telescopic rod, 9, a gearwheel, 10, a pinion, 11, a motor, 12, a base and 13, and a limiting plate.

Detailed Description

The following description will be provided in detail with reference to the accompanying drawings, which are not intended to limit the present invention, and all similar structures and similar variations using the present invention shall fall within the scope of the present invention.

As shown in fig. 1 and 4, a fixing device for a bearing includes a rotary table 1, a first clamping column 2, a second clamping column 3 and a third clamping column 4 are arranged on the rotary table 1, the second clamping column 3 and the third clamping column 4 are fixed on the rotary table 1, the distance between the second clamping column 3 and the third clamping column 4 and the center of the rotary table 1 is the same, and the distance between the first clamping column 2 and the center of the rotary table 1 is adjustable. The bearing sleeve is arranged outside the first clamping column 2, the second clamping column 3 and the third clamping column 4, the position of the first clamping column 2 is adjusted, and then the bearing is fixed.

The improved clamping device is characterized in that a slide 5 is arranged on the rotary table 1, a first telescopic rod 6 which is horizontally placed is fixed in the rotary table 1 at the lower end of the slide 5, the lower end of the first clamping column 2 is fixedly connected with the front end of the first telescopic rod 6, and the upper end of the first clamping column 2 extends out of the slide 5. In order to better fix the bearing, the first telescopic rod 6 is arranged on the inner side of the rotary table 1, the slide way 5 is correspondingly arranged on the rotary table, the first clamping column 2 moves back and forth in the slide way 5 under the driving of the first telescopic rod 6, and the bearing is fixed by matching with the second clamping column 3 and the third clamping column 4.

In order to adjust the inclination angle of the bearing, the lower ends of the second clamping column 3 and the third clamping column 4 are respectively provided with a second telescopic rod 7 and a third telescopic rod 8, and the second telescopic rod 7 and the third telescopic rod 8 are fixed on the turntable 1. According to the processing requirement, after the bearing is fixed, the second telescopic rod 7 and/or the third telescopic rod 8 can be driven, the second clamping column 3 and the third clamping column 4 are adjusted, the inclination angle of the bearing is adjusted, and the bearing is convenient to process.

The lower end of the rotary table 1 is fixedly connected with a gearwheel 9, and the gearwheel 9 is connected with the output end of a motor 11 through a pinion 10. The bull gear 9, the pinion gear 10 and the motor 11 are all arranged on the base 12. In order to present different machined surfaces of the bearing, the power of the motor 11 is transmitted to the turntable 1 through the meshed gearwheel 9 and pinion 10.

In order that the bearing will not slip off during clamping, the structure of each clamping column is further optimized, and as shown in fig. 2, the outer end faces of the first clamping column 2, the second clamping column 3 and the third clamping column 4 are inclined outwards. And the outer end faces of the first clamping column 2, the second clamping column 3 and the third clamping column 4 are provided with anti-skid layers. The design is convenient for the clamping and fixing of the bearing and prevents the bearing from sliding off. As shown in fig. 3, in order to facilitate the placement of the bearing and save the holding operation of the operator during the clamping, the lower ends of the outer sides of the second clamping column 3 and the third clamping column 4 are provided with protruding limiting plates 13.

The telescopic rod related to the fixing device for the bearing is an electric telescopic rod, and a power supply of the electric telescopic rod is an external power supply; the power supply of the motor related to the fixing device for the bearing is an external power supply; the purpose of the present invention is how to fix and adjust the machining angle of the bearing, and since the control system is not the purpose of the present invention, it is not disclosed herein, and the control system belongs to the prior art, and will not be described herein.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. A fixing device for a bearing is characterized in that: including carousel (1), be equipped with first centre gripping post (2), second centre gripping post (3) and third centre gripping post (4) on carousel (1), second centre gripping post (3) and third centre gripping post (4) are fixed on carousel (1), second centre gripping post (3) and third centre gripping post (4) are the same apart from the distance of the centre of a circle of carousel (1), the distance of the centre of a circle of first centre gripping post (2) and carousel (1) is adjustable.

2. The fixture according to claim 1, wherein: be equipped with slide (5) on carousel (1), first telescopic link (6) that carousel (1) internal fixation level of slide (5) lower extreme was placed, the lower extreme of first centre gripping post (2) and the front end fixed connection of first telescopic link (6), slide (5) are stretched out to the upper end of first centre gripping post (2).

3. The fixture according to claim 2, wherein: the lower ends of the second clamping column (3) and the third clamping column (4) are respectively provided with a second telescopic rod (7) and a third telescopic rod (8), and the second telescopic rod (7) and the third telescopic rod (8) are fixed on the turntable (1).

4. A fixation device as claimed in claim 3, wherein: the lower end of the turntable (1) is fixedly connected with a large gear (9), and the large gear (9) is connected with the output end of a motor (11) through a small gear (10).

5. The fixture according to claim 4, wherein: the bull gear (9), the pinion (10) and the motor (11) are all arranged on the base (12).

6. A fixation device according to any one of claims 1 to 5, wherein: the outer end faces of the first clamping column (2), the second clamping column (3) and the third clamping column (4) are inclined outwards.

7. The fixture according to claim 6, wherein: the outer end faces of the first clamping column (2), the second clamping column (3) and the third clamping column (4) are provided with anti-skid layers.

8. A fixation device according to any one of claims 1 to 5, wherein: the lower ends of the outer sides of the second clamping column (3) and the third clamping column (4) are provided with convex limiting plates (13).