CN112636513B

CN112636513B - Novel motor

Info

Publication number: CN112636513B
Application number: CN202011450740.7A
Authority: CN
Inventors: 杨佳平; 张舜
Original assignee: Quannan Chaoya Technology Co Ltd
Current assignee: Quannan Chaoya Technology Co Ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2022-05-24
Anticipated expiration: 2040-12-09
Also published as: CN112636513A

Abstract

The invention discloses a novel motor which comprises a machine shell body and a machine shell rear cover, wherein a rotor, a main shaft, a fan, a stator core, a stator winding and a bearing are arranged in the machine shell body, a base is arranged on the machine shell body, the machine shell rear cover is arranged at the left end of the machine shell body, an air inlet is formed in the left end of the machine shell rear cover, screws are arranged on the machine shell rear cover, a bearing top plate is arranged on the machine shell body, a shock pad is arranged on the bearing top plate, a sound-absorbing cotton layer is arranged on the inner wall surface of the machine shell rear cover, a winding groove and a heat dissipation groove are formed in the stator core, the stator winding is wound in the winding groove, an elastic baffle group is arranged on the stator core, and the elastic baffle group is composed of a fixing plate, a sliding baffle, a spring and a fixing seat. The vibration and noise reduction and the structural stability between the rear cover of the machine shell and the machine shell body are integrally improved, the wound stator winding is prevented from slipping out of the opening position of the winding slot, and the integral heat dissipation of the stator winding wound on the stator core is improved.

Description

Novel motor

Technical Field

The invention belongs to the technical field of motors, and particularly relates to a novel motor.

Background

The horizontal synchronous motor is an alternating current motor that generates torque by interaction between an excitation magnetic field supplied with direct current and a rotating magnetic field of an armature and rotates at a synchronous rotational speed.

The horizontal synchronous motor is basically structurally characterized by comprising a machine shell body, a rotor, a base, a main shaft, a fan, a stator winding, a bearing, a stator core and a machine shell rear cover, wherein a winding slot is formed in the stator core, the stator winding is wound on the winding slot, an air inlet is formed in the machine shell rear cover, a dust filter screen is preset in the air inlet, the fan rotates at a high speed, outside air is sucked into the synchronous motor, and sucked cold air blows and dissipates heat towards internal components of the synchronous motor.

However, when the fan rotates at a high speed and radiates heat inside the motor, vibration is generated, the machine shell body is stably installed on the bottom workbench through the base and the bolts, vibration cannot be generated, the front end of the rear cover of the machine shell is installed with the middle body of the machine shell through the screws, a hollow cavity part is arranged between the inside of the rear cover of the machine shell and the fan, vibration noise is easily caused by the hollow cavity part, and vibration and noise reduction and poor structural stability between the rear cover of the machine shell and the machine shell body are caused.

Because the winding slot is open type, the synchronous motor is long in time, partial winding of the stator winding can be loosened and separated from the opening of the winding slot to slide out, and the whole heat dissipation performance of the stator core body is poor.

Disclosure of Invention

The invention aims to provide a novel motor, which aims to solve the problems that in the prior art, the damping and noise reduction between a rear cover of a machine shell and a machine shell body are poor in structural stability, partial winding of a stator winding is likely to be loosened and separated from an opening of a winding groove to slide out, and the overall heat dissipation performance of a stator core body is poor.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel motor, lid behind casing body and casing, this internal rotor, main shaft, fan, stator core, stator winding, bearing of being equipped with of casing, fan are the convulsions heat dissipation fan commonly used among the horizontal synchronous motor, the lower extreme of casing body is equipped with the base, the lid is installed in the left end of casing body behind the casing, the air intake has been seted up to the left end of lid behind the casing, cover behind the casing and installed the screw, be provided with the bearing roof on the internal face of casing body, the inner wall one end of bearing roof lid is equipped with the shock pad towards the casing back, be equipped with on the internal face of casing back lid and inhale the cotton layer of sound, be equipped with wire winding groove and radiating groove on the stator core, stator winding twines in the wire winding groove, be provided with elastic baffle group on the internal face of stator core, elastic baffle group is by fixed plate, slide damper, spring, elastic baffle group, A fixed seat.

Preferably, the shock pad is a polyurethane rubber pad, has high elasticity, is heat-resistant and corrosion-resistant, has a long service life, and the high elasticity can realize that the rear cover of the machine shell and the machine shell body are connected in a buffering and damping manner, and is matched with the bearing top plate, so that the mounting and supporting stability of the rear cover of the machine shell is integrally improved.

Preferably, the heat-conducting layer is arranged in the heat-radiating groove, the heat-conducting layer is common heat-conducting silicone grease, the heat-conducting performance is high, and the heat-radiating groove is in a fan-shaped open type, so that the effective area of heat radiation is increased.

Preferably, the heat dissipation slots are arranged around the circumference of the outer wall surface of the stator core, and each heat dissipation slot is the same in number and aligned with the winding slot, so that a targeted heat conduction and heat dissipation effect on the stator winding in each winding slot is guaranteed.

Preferably, inhale the cotton layer of sound and evenly lay along the internal face of casing back lid, inhale the cotton layer of sound and be the glass cotton, it is artificial inorganic fiber, has good sound absorption performance, can effectually inhale the sound and fall the shock attenuation of making an uproar.

Preferably, fixed plate and fixing base are all fixed and are located stator core's inner wall, be equipped with the spout in the fixed plate, slide baffle and spout slip cup joint, the spring sets up between slide baffle and spout, be equipped with the joint groove on the fixing base, the spring adopts high-quality spring steel matter to make, and pull-back nature is strong and stable, heat-resisting corrosion-resistant.

Preferably, the cross-section of fixed plate, fixing base, sliding baffle, spout, joint groove is arc column structure to the centre of a circle of this arc column structure is concentric with stator core's overlooking circular cross-section centre of a circle, guarantees that sliding baffle blocks to the joint inslot along the accurate card of spout, guarantees joint stability.

Preferably, the fixed plate is provided with a through hole, the sliding baffle is provided with a clamping groove, the damping pin penetrates through the through hole and is clamped with the clamping groove, and the damping pin is plug-and-play.

Preferably, insert on the fixed plate and be equipped with the damping round pin, the damping round pin is the damping silica gel cylinder, and damping silica gel cylinder body has damping elasticity, and this cylindrical cylinder diameter of damping silica gel is great in the inner bore diameter of through-hole and draw-in groove, and the extrusion of damping silica gel cylinder is inserted through-hole and draw-in groove and is realized the damping location through damping frictional force, also conveniently extracts moreover.

Preferably, the number of the elastic baffle groups is the same as that of the winding slots, and the elastic baffle groups are arranged in a circumferential manner by taking the center of a overlooking circular section circle of the stator core as the center, so that the stator winding in each winding slot is guaranteed to have a targeted slipping-stopping effect.

Compared with the prior art, the invention has the beneficial effects that:

through the bearing roof structure that has the shock pad that sets up behind casing between lid and the casing body, and set up on the internal face of lid behind the casing and inhale the cotton layer of sound, not only realized forming the buffering shock attenuation between lid and the casing body behind the casing and be connected, also improved the installation support stability to lid behind the casing, inhale the cotton layer of sound simultaneously and can inhale the sound and fall the noise with the fan noise of casing after lid and the casing body inner chamber part, whole damping noise and the structural stability that have improved between lid and the casing body behind the casing.

Through arranging the elastic baffle group structure that sets up with the corresponding circumference in every wire winding groove on stator core's inner wall, after winding stator winding is whole to the wire winding groove, extract the damping pin, slide baffle can block the joint inslot through spring slip card this moment, block the opening in wire winding groove, effectively avoid winding stator winding to slip out from wire winding groove opening position, and then guaranteed motor body's normal work, in addition, arrange the fan-shaped heat dissipation groove structure that has the heat-conducting layer that sets up through the corresponding circumference with every wire winding groove, effectively improved the whole thermal diffusivity of the stator winding of winding on stator core, avoid the local overheated unsafe condition of stator winding.

Drawings

FIG. 1 is a front cross-sectional view of the overall construction of the present invention;

FIG. 2 is an enlarged view of the invention at A in FIG. 1;

fig. 3 is a side cross-sectional view of a stator core and set of elastomeric baffles of the present invention;

FIG. 4 is an enlarged view of the invention at B in FIG. 3;

FIG. 5 is an enlarged view of the invention shown inserted into the damper pin at C of FIG. 4;

fig. 6 is a front elevational view of the heat dissipating slots on the stator core of the present invention.

In the figure: the motor comprises a machine shell body 1, a rotor 11, a base 12, a main shaft 13, a fan 14, a stator winding 15, a bearing 16, a stator iron core 2, a winding groove 21, a machine shell rear cover 3, screws 31, an air inlet 32, a bearing top plate 4, a shock absorption pad 41, a sound absorption cotton layer 5, a heat dissipation groove 6, a heat conduction layer 61, an elastic baffle group 7, a fixing plate 71, a through hole 711, a sliding groove 72, a sliding baffle 73, a clamping groove 731, a spring 74, a fixing seat 8, a clamping groove 81 and a damping pin 9.

Detailed Description

Referring to fig. 1 and 3, a novel motor includes a casing body 1 and a casing rear cover 3, a rotor 11, a main shaft 13, a fan 14, a stator core 2, a stator winding 15, and a bearing 16 are disposed in the casing body 1, a base 12 is welded to the lower end of the casing body 1, the casing rear cover 3 is installed at the left end of the casing body 1, an air inlet 32 is disposed at the left end of the casing rear cover 3, the casing rear cover 3 is fixed to the casing body 1 by a screw 31, and the above structures are common component structures of a horizontal synchronous motor.

Referring to fig. 3, 4 and 6, the stator core 2 is provided with winding slots 21 and heat dissipation slots 6, the stator winding 15 is wound in the winding slots 21, the heat dissipation slots 6 are provided with heat conduction layers 61, the heat dissipation slots 6 are in a fan-shaped opening type, the heat dissipation slots 6 are arranged around the circumference of the outer wall surface of the stator core 2, and each heat dissipation slot 6 is equal to and aligned with the winding slot 21 in number, so that a targeted heat conduction and heat dissipation effect is ensured for the stator winding 15 in each winding slot 21.

Referring to fig. 1 and 2, a bearing top plate 4 is welded to the inner wall surface of a housing body 1, a shock pad 41 is bonded to one end, facing the inner wall surface of a housing rear cover 3, of the bearing top plate 4, a sound-absorbing cotton layer 5 is bonded to the inner wall surface of the housing rear cover 3, the sound-absorbing cotton layer 5 is uniformly laid along the inner wall surface of the housing rear cover 3, the sound-absorbing cotton layer 5 is made of glass cotton, and is made of artificial inorganic fiber, has good sound-absorbing performance, and can effectively absorb sound, reduce noise and absorb shock.

Referring to fig. 1, 3, 4, and 5, an elastic baffle group 7 is disposed on an inner wall surface of a stator core 2, the number of the elastic baffle groups 7 is the same as that of the winding slots 21, and the elastic baffle groups 7 are circumferentially arranged with a center of a circular cross section of the stator core 2 viewed from above as a center, the elastic baffle group 7 is composed of a fixing plate 71, a sliding baffle 73, a spring 74, and a fixing base 8, the fixing plate 71 and the fixing base 8 are both welded to an inner wall of the stator core 2, a sliding slot 72 is disposed in the fixing plate 71, the sliding baffle 73 is slidably connected with the sliding slot 72, the spring 74 is welded between the sliding baffle 73 and the sliding slot 72, the fixing base 8 is provided with a clamping slot 81, cross sections of the fixing plate 71, the fixing base 8, the sliding baffle 73, the sliding baffle 72, and the clamping slot 81 are all arc-shaped structures, and a center of the arc-shaped structure is concentric with a center of the circular cross section of the stator core 2, so as to ensure that the sliding baffle 73 is accurately clamped into the clamping slot 81 along the sliding slot 72, the clamping stability is ensured, the fixing plate 71 is provided with a through hole 711, and the sliding baffle plate 73 is provided with a clamping groove 731.

Referring to fig. 3, 4 and 5, a damping pin 9 is inserted into the fixing plate 71, the damping pin 9 is a damping silica gel cylinder, the damping pin 9 passes through the through hole 711 and is clamped with the clamping groove 731, a damping silica gel cylinder body has damping elasticity, the diameter of the damping silica gel cylinder is larger than the inner bore diameter of the through hole 711 and the clamping groove 731, and the damping silica gel cylinder is extruded and inserted into the through hole 711 and the clamping groove 731, realizes damping positioning through damping friction force, and is convenient to pull out.

The working principle of the scheme is as follows: through the bearing roof 4 structure that has the shock pad 41 that sets up behind casing between lid 3 and the casing body 1, and set up on the internal face of lid 3 behind the casing and inhale cotton layer 5 of sound, not only realized forming the buffering shock attenuation between lid 3 and the casing body 1 behind the casing and be connected, the installation support stability to lid 3 behind the casing has also been improved, and simultaneously, inhale cotton layer 5 of sound and can inhale the sound with lid 3 behind the casing and the 14 noise of fan of 1 inner chamber part of casing body, whole damping noise and structural stability between lid 3 and the casing body 1 behind the casing have been improved.

After the stator winding 15 is completely wound in the winding slot 21, the damping pin 9 is pulled out, the spring 74 which is always in a compressed state and stores energy rebounds quickly, the sliding baffle plate 73 is driven to slide along the sliding groove 72 and is clamped into the clamping groove 81, at the moment, the opening of the winding slot 21 is blocked by the sliding baffle plate 73, the wound stator winding 15 is prevented from sliding out of the opening part of the winding slot 21, and the normal work of the motor body is further ensured;

in addition, the heat generated by the working of the stator winding 15 is transferred to the heat conduction layer 61 through the stator core 2 and is rapidly dissipated from the opening of the heat dissipation groove 6 through the heat conduction layer 61 and the heat dissipation groove 6, so that the overall heat dissipation performance of the stator winding 15 wound on the stator core 2 is improved, and the situation that the local overheating of the stator winding 15 is unsafe is avoided.

Claims

1. The utility model provides a novel motor, lid (3) behind casing body (1) and the casing, its characterized in that: the motor is characterized in that a rotor (11), a main shaft (13), a fan (14), a stator core (2), a stator winding (15) and a bearing (16) are arranged in the housing body (1), a base (12) is arranged at the lower end of the housing body (1), a rear housing cover (3) is arranged at the left end of the housing body (1), an air inlet (32) is formed in the left end of the rear housing cover (3), a screw (31) is arranged on the rear housing cover (3), a bearing top plate (4) is arranged on the inner wall surface of the housing body (1), a shock pad (41) is arranged at one end, facing the inner wall of the rear housing cover (3), of the bearing top plate (4), a sound-absorbing cotton layer (5) is arranged on the inner wall surface of the rear housing cover (3), a winding groove (21) and a heat dissipation groove (6) are formed in the stator core (2), and the stator winding (15) is wound in the winding groove (21), be provided with elastic baffle group (7) on the internal wall face of stator core (2), elastic baffle group (7) comprises fixed plate (71), sliding baffle (73), spring (74), fixing base (8), it is equipped with damping pin (9) to insert on fixed plate (71), be equipped with heat-conducting layer (61) in radiating groove (6), radiating groove (6) are fan-shaped open type, radiating groove (6) are arranged around the outer wall circumference of stator core (2) to every radiating groove (6) is the same and aim at with wire winding groove (21) quantity, inhale that sound cotton layer (5) evenly lays along the internal wall face of casing back cover (3), fixed plate (71) and fixing base (8) are all fixed and are located the inner wall of stator core (2), be equipped with spout (72) in fixed plate (71), sliding baffle (73) and spout (72) sliding sleeve joint, spring (74) set up between smooth baffle (73) and spout (72), be equipped with joint groove (81) on fixing base (8), fixed plate (71), fixing base (8), smooth baffle (73), spout (72), the cross-section of joint groove (81) is arc column structure to the centre of a circle of this arc column structure is concentric with the overlooking circle cross-section centre of a circle of stator core (2), be equipped with through-hole (711) on fixed plate (71), be equipped with draw-in groove (731) on smooth baffle (73), damping round pin (9) pass through-hole (711) and draw-in groove (731) joint, damping round pin (9) are the damping silica gel cylinder, the quantity of elastic baffle group (7) is the same with wire winding groove (21) and uses overlooking circle cross-section centre of a circle of stator core (2) to arrange the setting as center circumference.