CN212627458U

CN212627458U - Heat radiator for spindle motor

Info

Publication number: CN212627458U
Application number: CN202021604340.2U
Authority: CN
Inventors: 岳晓成
Original assignee: Changzhou Honghan Motor Technology Co ltd
Current assignee: Changzhou Honghan Motor Technology Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-02-26
Anticipated expiration: 2030-08-05

Abstract

The utility model provides a spindle motor's heat abstractor, belong to motor heat dissipation technical field, including motor shaft and motor shaft one end department install the afterbody flange and be located the cooling body in the afterbody flange outside, install the spring washer between afterbody flange and the motor shaft, the both ends of afterbody flange are provided with the bearing, and the one end of motor shaft passes through the bearing and installs on the afterbody flange, cooling body includes the cooling shell, be provided with the flowing water chamber in the cooling shell, the one end department of cooling shell is provided with the left end inlet opening, the left end inlet opening is connected with the right-hand member apopore through the flowing water chamber, the right-hand member apopore is connected with right-hand member return water hole through the flowing water chamber, right-hand member return water hole is connected with left end return water hole through the flowing water. The utility model discloses, through will increasing the afterbody flange in cooling body one end, can make bearing department cooling liquid flow out more fast through left end water outlet, guarantee the coolant liquid effect.

Description

Heat radiator for spindle motor

Technical Field

The utility model relates to a heat abstractor especially relates to a spindle motor's heat abstractor belongs to motor heat dissipation technical field.

Background

An Electric machine (also known as "motor") is an electromagnetic device that converts or transmits Electric energy according to the law of electromagnetic induction, and is represented by the letter M (old standard is D) in a circuit, and mainly functions to generate driving torque as a power source for electrical appliances or various machines, and a generator is represented by the letter G in a circuit and mainly functions to convert mechanical energy into Electric energy.

The motor spindle can generate heat at long-time operation in-process, the heat altered shape of high temperature leads to reducing of bearing play, thereby the reduction of play can increase the availability factor that rolling resistance leads to the motor and hang down, and life reduces, every kind of material has the coefficient of thermal expansion, every liter is high once, the size can corresponding increase a definite value, further can influence the bearing life-span, too high temperature can lead to the bearing to sting, the unable normal use of motor, prior art has circulation liquid to reach the radiating effect in the screw spacer sleeve at the motor fuselage, such cooling body, the cooling surface is that the fuselage of whole motor can not be fine to motor bearing and pivot cooling, therefore, the utility model provides a spindle motor's heat abstractor.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a spindle motor's heat abstractor through increasing the afterbody flange in cooling body one end, can make bearing department cooling liquid flow faster through left end water outlet, guarantees the coolant liquid effect, generates heat to the important part bearing department of motor and can directly obtain the cooling to the life-span of motor work efficiency and motor has been increased.

The purpose of the utility model can be achieved by adopting the following technical scheme:

the utility model provides a spindle motor's heat abstractor, including the motor shaft and motor shaft one end department installs the afterbody flange and is located the cooling body in the afterbody flange outside, the afterbody flange with install the spring washer between the motor shaft, the both ends of afterbody flange are provided with the bearing, just the one end of motor shaft is passed through the bearing and is installed on the afterbody flange, cooling body is including cooling the shell, be provided with the flowing water chamber in the cooling shell, the one end department of cooling shell is provided with the left end inlet opening, the left end inlet opening is connected with the right-hand member apopore through the flowing water chamber, the right-hand member apopore is connected with right-hand member return water hole through the flowing water chamber, right-hand member return water hole is connected with left end return water hole through the flowing water chamber, left end return water.

Preferably, the motor rotating shaft and the outer side of the tail flange are provided with stator coils.

Preferably, an inner spiral spacer is installed on the outer side of the stator coil.

Preferably, an outer sleeve is arranged on the outer side of the inner spiral spacer.

Preferably, a flange spacer cavity is arranged on the outer side of the tail flange.

The utility model has the advantages of:

the utility model provides a pair of spindle motor's heat abstractor through increasing the afterbody flange in cooling body one end, can make bearing department cooling liquid flow faster through left end water outlet, guarantees the coolant liquid effect, and it can directly obtain the cooling to generate heat to the important part bearing department of motor to the life-span of motor work efficiency and motor has been increased.

Drawings

Fig. 1 is a schematic structural view of a motor according to a preferred embodiment of a heat dissipation apparatus for a spindle motor of the present invention;

fig. 2 is a schematic structural view of a water cooling mechanism according to a preferred embodiment of the heat dissipation device of the spindle motor of the present invention.

In the figure: 1-tail flange; 2-an internal spiral spacer bush, 3-an outer sleeve, 4-a stator coil, 5-a motor rotating shaft, 6-an elastic washer, 7-a bearing, 8-a left end water inlet hole, 9-a right end water outlet hole, 10-a right end water return hole, 11-a left end water return hole, 12-a flange spacer ring, 13-a left end water outlet hole, 14-a cooling shell and 15-a water flowing cavity.

Detailed Description

In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-2, a heat dissipation device for a spindle motor, including motor shaft 5 and the cooling mechanism of motor shaft 5 one end department install afterbody flange 1 and be located the afterbody flange 1 outside, install spring washer 6 between afterbody flange 1 and the motor shaft 5, the both ends of afterbody flange 1 are provided with bearing 7, and the one end of motor shaft 5 passes through bearing 7 and installs on afterbody flange 1, cooling mechanism includes cooling shell 14, be provided with flowing water chamber 15 in the cooling shell 14, the one end department of cooling shell 14 is provided with left end inlet opening 8, left end inlet opening 8 is connected with right-hand member apopore 9 through flowing water chamber 15, right-hand member apopore 9 is connected with right-hand member return water hole 10 through flowing water chamber 15, right-hand member return water hole 10 is connected with left end return water hole 11 through flowing water chamber 15, left end return water hole 11 is connected with left end outlet hole 13 through flowing water.

Rivers in the water-cooling mechanism get into through left end inlet opening 8, then flow to right-hand member apopore 9 through flowing water chamber 15, flow to right-hand member return water hole 10 through right-hand member apopore 9 and flowing water chamber 15, then get into left end return water hole 11 through right-hand member return water hole 10 and flowing water chamber 15, rethread left end return water hole 11 flows from left end outlet hole 13 with flowing water chamber 15, through increasing afterbody flange 1 in cooling mechanism one end, can make bearing department cooling liquid flow out more fast through left end outlet hole 13.

In this embodiment: and stator coils 4 are arranged on the outer sides of the motor rotating shaft 5 and the tail flange 1.

In this embodiment: the outer side of the stator coil 4 is provided with an inner spiral spacer 2.

In this embodiment: an outer sleeve 3 is arranged on the outer side of the inner spiral spacer 2.

In this embodiment: the outer side of the tail flange 1 is provided with a flange spacer cavity 12.

As shown in fig. 1-2, the working process of the heat dissipation device of the spindle motor provided in this embodiment is as follows: rivers in the water-cooling mechanism get into through left end inlet opening 8, then through flowing water chamber 15 and flowing to right-hand member apopore 9, flow to right-hand member return water hole 10 through right-hand member apopore 9 and flowing water chamber 15, then get into left end return water hole 11 through right-hand member return water hole 10 and flowing water chamber 15, rethread left end return water hole 11 and flowing water chamber 15 flow out from left end outlet hole 13, through increasing afterbody flange 1 in cooling mechanism one end, can make bearing department cooling liquid flow out more fast through left end outlet hole 13, not only generate heat to the important part bearing department of motor and can directly obtain refrigerated effect, and the life-span of motor work efficiency and motor has been increased.

The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.

Claims

1. A spindle motor's heat abstractor which characterized in that: comprises a motor rotating shaft (5) and a tail flange (1) and a cooling mechanism positioned outside the tail flange (1) installed at one end of the motor rotating shaft (5), an elastic gasket (6) is installed between the tail flange (1) and the motor rotating shaft (5), bearings (7) are arranged at two ends of the tail flange (1), one end of the motor rotating shaft (5) is installed on the tail flange (1) through the bearings (7), the cooling mechanism comprises a cooling shell (14), a flowing water cavity (15) is arranged in the cooling shell (14), a left water inlet hole (8) is arranged at one end of the cooling shell (14), the left water inlet hole (8) is connected with a right water outlet hole (9) through the flowing water cavity (15), the right water outlet hole (9) is connected with a right water return hole (10) through the flowing water cavity (15), the right-end water return hole (10) is connected with a left-end water return hole (11) through the flowing water cavity (15), and the left-end water return hole (11) is connected with a left-end water outlet hole (13) through the flowing water cavity (15).

2. The heat dissipating apparatus of a spindle motor according to claim 1, wherein: and stator coils (4) are arranged on the outer sides of the motor rotating shaft (5) and the tail flange (1).

3. The heat dissipating apparatus of a spindle motor according to claim 2, wherein: and an inner spiral spacer bush (2) is arranged on the outer side of the stator coil (4).

4. The heat dissipating apparatus of a spindle motor according to claim 3, wherein: an outer sleeve (3) is arranged on the outer side of the inner spiral spacer bush (2).

5. The heat dissipating apparatus of a spindle motor according to claim 1, wherein: and a flange spacer sleeve cavity (12) is arranged on the outer side of the tail flange (1).