CN218882768U

CN218882768U - Motor spindle with high bearing capacity

Info

Publication number: CN218882768U
Application number: CN202223578818.0U
Authority: CN
Inventors: 黄绍兵
Original assignee: Hangzhou Pingyuan Machinery Co ltd
Current assignee: Hangzhou Pingyuan Machinery Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-04-18
Anticipated expiration: 2032-12-30

Abstract

The utility model provides a motor spindle that bearing capacity is big includes the main shaft body, the inboard sliding connection on main shaft body right side has four sliders, four one side fixedly connected with spline housing that the slider is relative, the inboard fixedly connected with spline of spline housing, four spouts have been seted up to the inboard of the main shaft body, the mounting groove has been seted up to the inboard on main shaft body right side, the right side fixedly connected with snap ring of spline housing. The utility model provides a motor spindle that bearing capacity is big is convenient for install spline housing through seting up of mounting groove, and the cooperation setting of slider and spout can avoid the spline housing to appear the displacement when rotating, through the modular design of spline housing and the main shaft body, is convenient for carry out lathe work to spline housing, also is convenient for carry out the treatment of bursting fire to spline housing, and has remain spline mode transmission power big, advantage that bearing capacity is big.

Description

Motor spindle with high bearing capacity

Technical Field

The utility model relates to a motor spindle field especially relates to a motor spindle that bearing capacity is big.

Background

The motor spindle is an important part in the electrical machine, and is a link for electromechanical energy conversion between the electrical machine and the vehicle equipment, which supports the rotating parts, transmits torque, and determines the relative position of the rotating parts to the stator. Therefore, the motor spindle must have very high strength and rigidity, ensuring the achievement of the function. The motor shaft is generally made of high-quality carbon steel.

The motor main shaft can be divided into an optical shaft and a stepped shaft according to whether the stepped shaft is arranged on the motor main shaft or not. The optical axis is usually made of cold-drawn round steel, which can reduce the working time for processing the excircle of the shaft, and is sometimes used for micro motors. The stepped shaft can be conveniently and safely provided with a plurality of different parts, so that most of motors adopt the shaft, and the stepped shaft can be divided into a one-way stepped shaft and a two-way stepped shaft according to the difference of the stepped direction.

In the related art, a motor spindle and a transmission shaft of a mechanical device transmit power through a flat key or a spline, but the flat key mode has small power transmission and small bearing capacity; the spline mode transmission power is big, and bearing capacity is big, but the processing is troublesome, and is with high costs. In the correlation technique, the spline inside the main shaft needs to be turned when the integral inner spline main shaft is processed, the processing difficulty is high, the cost is high, and the inner spline is inconvenient to be quenched, so that the hardness of the inner spline is difficult to reach the standard.

Therefore, it is necessary to provide a motor spindle with high bearing capacity to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a motor spindle that bearing capacity is big has solved in the correlation technique, and current partial motor spindle internal spline is not convenient for carry out the problem of processing.

For solving the technical problem, the utility model provides a pair of motor spindle that bearing capacity is big, including the main shaft body, the inboard sliding connection on main shaft body right side has four sliders, four one side fixedly connected with spline housing that the slider is relative, the inboard fixedly connected with spline of spline housing, four spouts have been seted up to the inboard of the main shaft body, the mounting groove has been seted up to the inboard on main shaft body right side, the right side fixedly connected with snap ring of spline housing.

Preferably, the four sliding blocks are arranged on the separated side and located on the inner side of the main shaft body, and the four inner hexagonal bolts penetrate through the outer side of the main shaft body and the separated side of the four sliding blocks respectively and extend to the inner sides of the four sliding blocks.

Preferably, the peripheral side surfaces of the four hexagon socket head cap bolts are respectively in threaded connection with the inner side of the main shaft body and the inner sides of the four sliding blocks, and thread grooves are formed in the inner side of the main shaft body.

Preferably, the inner side of the left side of the main shaft body is provided with a blind hole, and the inner side of the left side of the main shaft body is provided with a clamping groove.

Preferably, the spline housing and the spline are both made of high-carbon alloy materials, and the thickness of the spline housing is 20MM.

Preferably, four the spout respectively with four slider cooperation use, can provide four sliders and carry out the horizontal slip.

Compared with the prior art, the utility model provides a pair of motor spindle that bearing capacity is big has following beneficial effect:

the utility model provides a motor spindle that bearing capacity is big is convenient for install spline housing through seting up of mounting groove, and the cooperation setting of slider and spout can avoid the spline housing to appear the displacement when rotating, through the modular design of spline housing and the main shaft body, is convenient for carry out lathe work to spline housing, also is convenient for carry out the treatment of bursting fire to spline housing, and has remain spline mode transmission power big, advantage that bearing capacity is big.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a motor spindle with high bearing capacity according to the present invention;

FIG. 2 is a schematic structural view of a right sectional view of the spindle body shown in FIG. 1;

FIG. 3 is an enlarged view of the structure of the area A shown in FIG. 2;

fig. 4 is a schematic structural view of a left side view of the spindle body shown in fig. 1.

Reference numbers in the figures: 1. a main shaft body; 2. a slider; 3. a spline housing; 4. a spline; 5. a chute; 6. mounting grooves; 7. a snap ring; 8. a hexagon socket head cap screw; 9. a thread groove; 10. blind holes; 11. a clamping groove.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of a main shaft of a motor with high bearing capacity according to a preferred embodiment of the present invention; FIG. 2 is a schematic structural view of a right side cross-sectional view of the spindle body shown in FIG. 1; FIG. 3 is an enlarged view of the structure of the area A shown in FIG. 2; fig. 4 is the structural schematic diagram of the main shaft body left side view shown in fig. 1, a motor spindle that bearing capacity is big, including the main shaft body 1, inboard sliding connection on main shaft body 1 right side has four sliders 2, one side fixedly connected with spline housing 3 that four sliders 2 are relative, spline housing 3's inboard fixedly connected with spline 4, four spouts 5 have been seted up to main shaft body 1's inboard, mounting groove 6 has been seted up to main shaft body 1 right side inboard, spline housing 3's right side fixedly connected with snap ring 7, spline 4 has a plurality ofly, the even inboard of fixing at spline housing 3, mounting groove 6 is used for installing spline housing 3.

The four sliding blocks 2 are arranged at the separated side and are positioned on the inner side of the main shaft body 1, and the inner hexagon bolts 8 are arranged at the opposite sides of the four inner hexagon bolts 8 and respectively penetrate through the outer side of the main shaft body 1 and the separated side of the four sliding blocks 2 and extend to the inner sides of the four sliding blocks 2.

The peripheral side surfaces of the four hexagon socket head cap bolts 8 are respectively in threaded connection with the inner side of the main shaft body 1 and the inner sides of the four sliders 2, thread grooves 9 are formed in the inner side of the main shaft body 1, threads matched with the hexagon socket head cap bolts 8 are arranged on the inner side of the main shaft body 1 and the inner sides of the four sliders 2, and the thread grooves 9 are used for installing the hexagon socket head cap bolts 8.

The blind hole 10 is opened to the left inboard of main shaft body 1, and draw-in groove 11 is opened to the left inboard of main shaft body 1, and the setting of blind hole 10 and draw-in groove 11 is used for connecting the drive shaft.

The spline housing 3 and the spline 4 are made of high-carbon alloy materials, the thickness of the spline housing 3 is 20MM, and the high-carbon high-alloy steel has the advantages of good hardenability, high hardenability, small heat treatment deformation, high wear resistance and the like.

Four chutes 5 are respectively used with four sliders 2 in a matched manner, and can provide four sliders 2 to slide left and right.

The utility model provides a pair of motor spindle that bearing capacity is big's theory of operation as follows:

when using, be convenient for install spline housing 3 through seting up of mounting groove 6, slider 2 and spout 5's cooperation setting can avoid spline housing 3 to appear the displacement when rotating, can fix spline housing 3 through setting up of four hexagon socket head cap screw 8, avoid spline housing 3 to appear lateral shifting at the during operation, through spline housing 3's independent setting, be convenient for carry out lathe work to spline housing 3, also be convenient for carry out the treatment of bursting fire to spline housing 3.

offer through mounting groove 6 and be convenient for install spline housing 3, the displacement can be avoided spline housing 3 to appear when rotating in the cooperation setting of slider 2 and spout 5, through the modular design of spline housing 3 and main shaft body 1, is convenient for carry out lathe work to spline housing 3, also is convenient for carry out the quenching treatment to spline housing 3, and has remain 4 modes of spline and has transmitted power big, advantage that bearing capacity is big.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A motor spindle with high bearing capacity comprises a spindle body (1), and is characterized in that: the utility model discloses a main shaft structure, including the main shaft body (1), the inboard sliding connection on main shaft body (1) right side has four sliders (2), four one side fixedly connected with spline housing (3) that slider (2) are relative, inboard fixedly connected with spline (4) of spline housing (3), four spout (5) have been seted up to the inboard of the main shaft body (1), mounting groove (6) have been seted up to the inboard on the main shaft body (1) right side, the right side fixedly connected with snap ring (7) of spline housing (3).

2. The motor spindle with high bearing capacity according to claim 1, wherein socket head cap bolts (8) are respectively arranged on the sides of the four sliders (2) away from each other and on the inner side of the spindle body (1), and the opposite sides of the four socket head cap bolts (8) respectively penetrate through the outer side of the spindle body (1) and the sides of the four sliders (2) away from each other and extend to the inner sides of the four sliders (2).

3. The motor spindle with high bearing capacity according to claim 2, wherein the peripheral side surfaces of the four hexagon socket head cap bolts (8) are respectively in threaded connection with the inner side of the spindle body (1) and the inner sides of the four sliding blocks (2), and the inner side of the spindle body (1) is provided with a thread groove (9).

4. The motor spindle with high bearing capacity according to claim 1, wherein a blind hole (10) is formed in the inner side of the left side of the spindle body (1), and a clamping groove (11) is formed in the inner side of the left side of the spindle body (1).

5. The motor spindle with high bearing capacity according to claim 1, wherein the spline housing (3) and the spline (4) are made of high carbon alloy, and the thickness of the spline housing (3) is 20MM.

6. The motor spindle with high bearing capacity according to claim 1, wherein the four sliding grooves (5) are respectively matched with the four sliding blocks (2) for use, and the four sliding blocks (2) can slide left and right.