CN218135455U - Bearing rotor cutting device - Google Patents

Abstract

The utility model discloses a bearing rotor cutting device relates to bearing machining and establishes technical field, including the cutting table, the upper end of cutting table is equipped with grinder and revolving stage, the upper end of revolving stage is equipped with the fixture who is used for the fixing bearing rotor, fixture is including the fixed casing of locating the revolving stage upper end, the utility model discloses in, can make four T type clamp plates simultaneous movement through fixture, and then carry out spacingly to the bearing rotor, so the concentricity is high owing to press from both sides the bearing rotor simultaneously, and then the location is accurate, is fit for carrying out various cutting processes to drive simple structure has efficient auto-lock ability, is fit for continuous production, has solved the great problem of traditional general anchor clamps positioning accuracy not high and the exclusive anchor clamps operation degree of difficulty.

Description

A bearing rotor cutting device

technical field

The utility model relates to the technical field of bearing processing equipment, in particular to a bearing rotor cutting device.

Background technique

Bearings are an important part of contemporary mechanical equipment. Its main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy;

In the bearing processing process, the bearing needs to be cut. Large-scale bearings can be clamped by large-scale fixtures in the existing market, and then cut. It is easy to cause damage to the inner wall of small bearings, and some small bearings cannot find a suitable general fixture, which increases the cutting cost, while the exclusive fixture has a complex structure, is expensive, and is difficult to operate. For this reason, a bearing rotor cutting method is proposed. device.

Utility model content

The purpose of the utility model is to solve the problems in the prior art that the clamping effect of the general clamp on the bearing rotor is not good and the structure of the exclusive clamp is complex and difficult to operate, and a bearing rotor cutting device is proposed.

In order to achieve the above object, the utility model adopts the following technical solutions:

A bearing rotor cutting device, comprising a cutting table, the upper end of the cutting table is provided with a grinder and a turntable, and the upper end of the turntable is provided with a clamping mechanism for fixing the bearing rotor;

The clamping mechanism includes a housing fixed on the upper end of the rotary table, a rotating shaft is arranged inside the housing, a gear disc is fixed in the middle of the rotating shaft, and multiple gear discs are evenly distributed and fixed on the upper end of the gear disc. a fixed rod, the middle part of the fixed rod rotates and is provided with a rotating rod;

Four rectangular sliding blocks are provided for symmetrical sliding inside the housing, and the other ends of the four rotating rods are respectively hinged to the middle of the rectangular sliding blocks;

A driven worm gear and a worm are also rotated inside the housing. The driven worm gear and the worm are meshed with each other, and the driven worm wheel can mesh with the gear plate.

Above-mentioned technical scheme further comprises:

The upper end of the rotating shaft and the outer side of the housing are fixed with a cross-shaped placement plate.

Above-mentioned technical scheme further comprises:

The upper end of the rectangular sliding block is fixed with a T-shaped clamping plate for clamping the bearing rotor, and the upper end of the T-shaped clamping plate is provided with an arc-shaped surface for use with the bearing rotor.

The movement axis of the rectangular sliding block is not in the same straight line as the fixed rod.

The number of the fixed rods is 4, which are evenly distributed on the upper end surface of the gear plate, and the rotation angle of the fixed rods is between 0° and 25°.

A rectangular frame for limiting the rectangular sliding block is fixed inside the housing.

An operating handle is provided on the outside of the housing for rotation, and the operating handle is fixedly connected with one end of the worm.

Compared with the prior art, the beneficial effects of the utility model are:

In the utility model, four T-shaped clamping plates can be moved at the same time through the clamping mechanism, and then the bearing rotor can be limited. Since the bearing rotor is clamped at the same time, the concentricity is high, and the positioning is accurate, which is suitable for various cutting technology, and the driving structure is simple, with efficient self-locking ability, suitable for continuous production, and solves the problems of low positioning accuracy of traditional general-purpose fixtures and difficult operation of exclusive fixtures.

Description of drawings

Fig. 1 is the schematic diagram of the structure of the installation position of the clamping mechanism proposed by the utility model;

Fig. 2 is a schematic diagram of the internal structure of the housing proposed by the utility model;

Fig. 3 is the schematic diagram of the structure of the gear plate proposed by the utility model;

Fig. 4 is the schematic diagram of the working structure of the clamping mechanism proposed by the utility model;

Fig. 5 is a structural schematic diagram of a cross-shaped placing plate and a T-shaped clamping plate proposed by the utility model.

In the figure: 1. cutting table; 2. rotary table; 3. clamping mechanism; 301. housing; 302. rotating shaft; 303. gear plate; 3031. fixed rod; 304. rotating rod; 305. rectangular sliding block; 306, T-shaped clamping plate; 307, cross-shaped placing plate; 308, driven worm gear; 309, worm.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

In describing the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation , are constructed and operated in a specific orientation and therefore cannot be construed as limiting the invention.

As shown in Figures 1-5, a bearing rotor cutting device proposed by the utility model includes a cutting table 1, a grinding machine and a turntable 2 are provided on the upper end of the cutting table 1, and a bearing for fixing the bearing is provided on the upper end of the turntable 2. The clamping mechanism 3 of the rotor;

The clamping mechanism 3 includes a housing 301 fixedly arranged on the upper end of the rotary table 2. The inner rotation of the housing 301 is provided with a rotating shaft 302. The middle part of the rotating shaft 302 is fixedly provided with a gear plate 303. The upper end of the gear plate 303 is evenly distributed and fixedly provided with multiple A fixed rod 3031, the middle part of the fixed rod 3031 rotates and is provided with a rotating rod 304;

Four rectangular sliding blocks 305 are provided for symmetrical sliding inside the housing 301, and the other ends of the four rotating rods 304 are respectively hinged to the middle of the rectangular sliding blocks 305;

A driven worm gear 308 and a worm 309 are also rotated inside the housing 301, the driven worm gear 308 and the worm screw 309 mesh with each other, and the driven worm wheel 308 can mesh with the gear plate 303;

First place the bearing rotor on the upper end of the cross-shaped placement plate 307, then turn the operating handle to make the worm 309 rotate, and the rotation of the worm 309 can drive the driven worm wheel 308 meshed with it to rotate, and further make the gear plate 303 rotate. When the gear plate 303 When rotating, the four fixed rods 3031 can be driven to rotate, and the rotation of the fixed rods 3031 in the horizontal plane can drive the rotating rod 304 to move, and then drive the rectangular sliding block 305 to move to one side of the rotating shaft 302, further making the four T-shaped clamping plates 306 simultaneously The bearing rotor is limited, and the whole process is easy to operate.

Further, a cross-shaped placement plate 307 is fixed on the upper end of the rotating shaft 302 and outside the housing 301 .

Further, the upper end of the rectangular sliding block 305 is fixed with a T-shaped clamping plate 306 for clamping the bearing rotor, and the upper end of the T-shaped clamping plate 306 is provided with an arc-shaped surface for use with the bearing rotor.

Further, the movement axes of the rectangular sliding blocks 305 and the fixed rods 3031 are not in the same straight line, that is, the four rectangular sliding blocks 305 and the four fixed rods 3031 are arranged alternately, so as to prevent dead angles and ensure the movement of the rectangular sliding blocks 305.

Further, the number of fixed rods 3031 is 4, and they are evenly distributed on the upper end surface of the gear plate 303. The rotation angle of the fixed rods 3031 is between 0° and 25°, that is, the range of the rotation angle of the cross-shaped placing plate 307 is also Between 0° and 25°, the movement of the four T-shaped clamping plates 306 will not be disturbed at this angle

Further, a rectangular frame for limiting the rectangular sliding block 305 is fixed inside the housing 301 , so that the rectangular sliding block 305 can ensure linear motion.

An operating handle is provided on the outside of the housing 301 for rotation, and the operating handle is fixedly connected to one end of the worm 309 .

In this embodiment, the gear plate 303 is driven to rotate by rotating the operating handle, that is, the four fixed rods 3031 are driven to rotate in the horizontal plane, and the four rectangular sliding blocks 305 are further driven to move toward the central axis of the rotating shaft 302. Since the bearing rotor is placed on the rotating shaft The cross shape on the upper end of 302 is placed on the plate 307, so the simultaneous movement of the four rectangular sliding blocks 305 makes the centerline of the bearing rotor gradually coincide with the central axis of the rotating shaft 302, which can improve the positioning accuracy and facilitate the entire cutting process. And since the driven worm wheel 308 and the worm 309 have self-locking properties, there is no need to worry about the limit being loose.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (7)

1. The bearing rotor cutting device comprises a cutting workbench (1), wherein a grinding machine and a rotary table (2) are arranged at the upper end of the cutting workbench (1), and the bearing rotor cutting device is characterized in that a clamping mechanism (3) for fixing a bearing rotor is arranged at the upper end of the rotary table (2);

the clamping mechanism (3) comprises a shell (301) fixedly arranged at the upper end of the rotating platform (2), a rotating shaft (302) is rotatably arranged in the shell (301), a gear disc (303) is fixedly arranged in the middle of the rotating shaft (302), a plurality of fixing rods (3031) are uniformly and fixedly arranged at the upper end of the gear disc (303), and a rotating rod (304) is rotatably arranged in the middle of each fixing rod (3031);

four rectangular sliding blocks (305) are symmetrically arranged in the shell (301) in a sliding mode, and the other ends of the four rotating rods (304) are hinged to the middle of the rectangular sliding blocks (305) respectively;

the inside of casing (301) still rotates and is equipped with driven worm wheel (308) and worm (309), driven worm wheel (308) and worm (309) intermeshing, and driven worm wheel (308) can and toothed disc (303) intermeshing.

2. A bearing rotor cutting apparatus according to claim 1, wherein a cross-shaped placing plate (307) is fixedly provided at the upper end of the rotary shaft (302) and outside the housing (301).

3. The bearing rotor cutting device as claimed in claim 1, wherein a T-shaped clamping plate (306) for clamping the bearing rotor is fixedly arranged at the upper end of the rectangular sliding block (305), and an arc-shaped surface matched with the bearing rotor is formed at the upper end of the T-shaped clamping plate (306).

4. A bearing rotor cutting device according to claim 1, wherein the axis of motion of the rectangular sliding block (305) is not in line with the fixed rod (3031).

5. The bearing rotor cutting device as claimed in claim 1, wherein the number of the fixing rods (3031) is 4, and the fixing rods are uniformly distributed on the upper end surface of the gear plate (303), and the rotation angle of the fixing rods (3031) is 0-25 °.

6. A bearing rotor cutting device according to claim 1, wherein a rectangular frame for limiting the rectangular sliding block (305) is fixedly arranged inside the housing (301).

7. A bearing rotor cutting device according to claim 1, characterized in that the outer side of the housing (301) is rotatably provided with an operating handle, which is fixedly connected with one end of a worm (309).

Images