CN219576791U

CN219576791U - Reluctance motor driven flush coater

Info

Publication number: CN219576791U
Application number: CN202320427978.0U
Authority: CN
Inventors: 闻金水; 赵翰文; 范酬
Original assignee: Hangzhou Siwan Intelligent Equipment Co ltd
Current assignee: Jinhua Silicon Bay Intelligent Equipment Co ltd
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-08-22
Anticipated expiration: 2033-03-09

Abstract

The utility model relates to the technical field of spraying machines, in particular to a spraying machine driven by a reluctance motor, which comprises a frame, a motor component, an air compression component, a storage box, a control box and a jet flow component, wherein the motor component is connected with the air compression component; the front end of the rotating shaft is provided with a spline structure, and the spline structure is exposed out of the front surface of the fixing frame after the front end of the rotating shaft passes through the fixing frame; the rotating shaft is connected with the rotor and is positioned at the inner ring of the rotor, the rotor is arranged at the inner ring of the stator, and the stator is arranged in the inner cavity of the shell; the stator and the rotor are stacked and formed by adopting a single-piece structure made of silicon steel sheets. The utility model adopts a direct drive design, omits a reduction gearbox, has compact structure and smaller volume; adapting to high-frequency start-stop operation; adopts the design without permanent magnet, is high temperature resistant and has long service life.

Description

Reluctance motor driven flush coater

Technical Field

The utility model relates to the technical field of spraying machines, in particular to a spraying machine driven by a reluctance motor.

Background

Common flush coater in the market mainly adopts permanent magnet brushless motor to drive, compares there is the brush motor, and brushless motor is simpler and compact in structure, and under the same power, the volume can be controlled littleer, simultaneously because brushless motor has removed the carbon brush, frictional force reduces during the operation, and energy conversion rate improves, and the noise is showing and is reducing when high-speed rotation.

However, most brushless motors in the prior art have the following problems:

1) The rotor is mostly manufactured by adopting a permanent magnet structure design, and scrap iron is easy to absorb in the running process of the motor so as to cause abnormal abrasion and damage of the motor;

2) The permanent magnet is easily demagnetized at high temperature or impact, which causes damage to the motor.

The existence of the problems causes unsafe factors in the working condition of the spraying machine adopting the structure, and the working efficiency is not guaranteed.

Disclosure of Invention

The utility model aims to provide a spraying machine driven by a reluctance motor, which solves the technical problems.

The technical problems solved by the utility model can be realized by adopting the following technical scheme:

the reluctance motor driven spraying machine comprises a frame, a motor component, an air pressure component, a storage box, a control box and a jet flow component, wherein the motor component, the air pressure component, the storage box, the control box and the jet flow component are all arranged on the frame, the motor component is connected with the air pressure component, the air pressure component is connected with the storage box and the jet flow component, the control box is connected with the motor component,

the motor component comprises a shell, a rotating shaft, a rotor and a stator,

the shell is connected with the rear side surface of a fixing frame which is convenient for fixing the motor component, and the fixing frame is connected with the frame;

the front end of the rotating shaft is provided with a spline structure, so that the air compressor is conveniently connected with the air compressor, and is meshed with a shaft hole of an impeller in the air compressor to drive the air compressor to work;

the rotating shaft is connected with the rotor and is positioned at the inner ring of the rotor, the rotor is arranged at the inner ring of the stator, and the stator is arranged in the inner cavity of the shell;

the stator and the rotor are stacked and formed by adopting a single-piece structure made of silicon steel sheets.

The utility model adopts the direct-drive structural design, avoids the speed reducing mechanism, realizes the brushless and permanent magnet-free characteristics of the power structure, has a relatively simple overall structure, eliminates a plurality of problems of the traditional spraying equipment with the power structure when in use, ensures stable and reliable operation, and has the advantages of high temperature resistance, low noise and long service life.

The stator is fixed in the inner cavity of the shell through two stator end plates, and the two stator end plates are respectively positioned at the front side and the rear side of the stator.

The stator end plate is provided with a winding bracket, so that after the stator end plate clamps the stator front and back, a winding is arranged on the winding bracket, and the winding winds the stator teeth of the stator.

The motor assembly comprises an end plate, the end plate is connected with the edge of the rear side opening of the shell, and the rear end of the rotating shaft is fixed on the end plate through a bearing assembly.

The fixing frame and the end plate are provided with bearing seats which are convenient for fixing the bearing assemblies.

A fixing ring is arranged between the fixing frame and the shell, and the fixing ring is fixed on the surface of one side of the fixing frame facing the shell.

The stator comprises a stator yoke and stator teeth, the stator teeth are arranged along the inner annular wall of the stator yoke at equal intervals, the stator teeth and the stator teeth are integrally formed, and a through hole is formed in the center of the stator yoke so as to facilitate the rotor to be arranged in the through hole.

The rotor comprises a rotor yoke and rotor teeth, wherein the rotor teeth are arranged at equal intervals along the outer annular wall of the rotor yoke, the rotor yoke and the rotor teeth are integrally formed, and a through hole is formed in the center of the rotor yoke, so that the rotating shaft can conveniently pass through the through hole.

The beneficial effects are that: by adopting the technical scheme, the utility model has the following advantages:

1) The direct drive design is adopted, the rotor of the reluctance motor directly drives the spraying machine compressor, a reduction gearbox is omitted, the structure is compact, and the volume is small;

2) The design is free of counter electromotive force, and is suitable for high-frequency start-stop operation;

3) The permanent magnet-free design is adopted, so that the high-temperature resistance and the long service life are realized;

4) The heat dissipation structure is designed, the overall temperature rise is small, and the continuous work can be realized.

Drawings

FIG. 1 is a schematic diagram of the whole structure of the present utility model;

FIG. 2 is a schematic view of the motor assembly of the present utility model as viewed from the front side;

FIG. 3 is a schematic view of the motor assembly of the present utility model from the rear side;

FIG. 4 is a schematic illustration of a disassembled structure of the motor assembly of the present utility model;

FIG. 5 is a schematic illustration of a structural arrangement in the housing interior of the motor assembly of the present utility model;

FIG. 6 is a schematic view of the structure of FIG. 5 with the shaft and bearings removed;

FIG. 7 is a schematic illustration of the structure of FIG. 6 with the stator removed;

FIG. 8 is a schematic view of the assembled structure of the housing, stator and stator end plates of the present utility model;

fig. 9 is a schematic view of the stator end plate of the present utility model as seen from one side;

fig. 10 is a schematic view of the structure of fig. 9 as seen from the opposite side;

fig. 11 is a schematic structural view of the fixing frame of the present utility model.

Detailed Description

In order that the manner in which the utility model is practiced, as well as the features and objects and functions thereof, will be readily understood and appreciated, the utility model will be further described in connection with the accompanying drawings. It should be noted that the terms "first," "second," "third," "fourth," and the like in the description and in the claims, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments described herein may be implemented in other sequences than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or apparatus that comprises a list of elements or units is not necessarily limited to those elements or units that are expressly listed or inherent to such product or apparatus, but may include other elements or units not expressly listed or inherent to such product or apparatus.

Referring to fig. 1, a reluctance motor driven applicator includes a frame 1, a motor assembly 2, an air compressor assembly 3, a reservoir 4, a control box 5, and a jet assembly 6. Wherein, motor assembly 2, air compression assembly 3, storage case 4, control box 5 and jet current subassembly 6 all set up in frame 1, and frame 1 is equipped with the handle, and the flush coater of being convenient for is moved, and the bottom of frame 1 is equipped with the gyro wheel 101 of being convenient for promote the frame overall movement and supports its spike 102 in ground.

The motor assembly 2 is connected with the air compressor assembly 3, the air compressor assembly 3 is connected with the storage box 4 and the jet assembly 6, and the control box 5 is connected with the motor assembly 2 (here, an electric control unit in the control box is connected with a reluctance motor in the motor assembly).

As shown in fig. 2, 3 and 4, the motor assembly includes a housing 201, a rotor 202, a stator 203 and a rotating shaft 204, wherein the housing 201 has an inner cavity, and the rotor 202, the stator 203 and the rotating shaft 204 are disposed therein.

The shell 201 is connected with a fixing frame 205, and the fixing frame 205 is connected with the frame 1. The shell is fixed on the frame 1 through a fixing frame. Specifically, the housing 1 is connected to the rear side of the mount 205 by its front end surface opening edge.

The utility model is convenient for supporting the rotating shaft, so that the rotating shaft rotates smoothly and smoothly, and the utility model can be arranged according to the following structure: as shown in fig. 2, 3 and 4, the motor assembly 2 includes an end plate 206, the end plate 206 is connected to an edge of a rear side opening of the housing 201, and a rear end of the rotating shaft 204 is fixed to the end plate 206 by a bearing assembly. As shown in fig. 4, the bearing assembly includes a front bearing 2091 and a rear bearing 2092. In order to facilitate the fixing of the bearing assembly, bearing seats are provided on the fixing frame 205 and the end plate 206, and the bearing seats are provided on edges (opening toward one side of the inner cavity of the housing) of the through hole of the rotating shaft on the fixing frame 205 or the end plate 206.

The motor assembly can be installed more flexibly, and can be arranged according to the following structure: as shown in fig. 2, 3 and 4, a fixing ring 207 is provided between the fixing frame 205 and the housing 201, and the fixing ring 207 is fixed to a side surface of the fixing frame 205 facing the housing 201. Through setting up the retainer plate, after the motor installation space of flush coater that the size specification is different sets up the mount of corresponding specification, connect mount and shell through the retainer plate of same specification to can make motor assembly cooperation connect the mount of different specification sizes, make same motor assembly correspond different flush coater.

The utility model is convenient for the connection of the motor component and the air compressor, and can be arranged according to the following structure: as shown in fig. 5, the front end of the rotating shaft 204 is provided with a spline structure 2041, so that the air compressor assembly is conveniently connected to be meshed with the shaft hole of the impeller inside the air compressor assembly to drive the air compressor to work, and after the front end of the rotating shaft 204 passes through the fixing frame 205, the spline structure 2041 is exposed out of the front side surface of the fixing frame 205.

As shown in fig. 5 and 6, the rotating shaft 204 is connected with the rotor 202 and is positioned at the inner ring of the rotor 202, the rotor 202 is arranged at the inner ring of the stator 203, and the stator 203 is arranged in the inner cavity of the housing 201;

the stator 203 and the rotor 202 are stacked and formed by adopting a single-piece structure made of silicon steel sheets.

The stator and the rotor in the utility model are arranged according to the following structure: the stator comprises a stator yoke and stator teeth, the stator teeth are arranged at equal intervals along the inner annular wall of the stator yoke, the stator teeth and the stator teeth are integrally formed, and a through hole is formed in the center of the stator yoke, so that the rotor is conveniently arranged in the through hole. The rotor comprises a rotor yoke and rotor teeth, the rotor teeth are arranged at equal intervals along the outer annular wall of the rotor yoke, the rotor yoke and the rotor teeth are integrally formed, and a through hole is formed in the center of the rotor yoke, so that a rotating shaft can conveniently pass through.

In order to better fix the stator in the inner cavity of the shell, limit the stator and ensure the insulation of the inner cavity of the motor assembly, the utility model can be arranged according to the following structure: as shown in fig. 7 and 8, the stator 203 is fixed in the inner cavity of the housing through two stator end plates, including a front stator end plate 2081 and a rear stator end plate 2082, which are respectively located at the front side and the rear side of the stator 203, so that the stator end plates can clamp the front and the rear of the stator 203 and then set up motor windings, so as to wind the motor windings around the stator teeth.

As shown in fig. 8, the outer wall of the stator 203 is tightly attached to the inner wall of the inner cavity of the housing 201, the stator 203 and the stator end plates clamped by the front and rear sides are both disposed in the inner cavity of the housing 201, and the outer wall of the annular structure of the stator end plates is also tightly attached to the inner wall of the inner cavity of the housing 201.

The utility model is convenient for setting and fixing the motor winding, and can be set according to the following structure: the stator end plate is provided with a winding bracket, and the motor winding is wound on the winding bracket and then wound on the stator teeth. Any stator end plate comprises an annular outer frame and a forming structure for forming a winding bracket, wherein the forming structure comprises toothed plates corresponding to stator teeth, and the number and the positions of the toothed plates are in one-to-one correspondence with the stator teeth; one end of the toothed plate is connected with the inner annular wall of the annular outer frame of the stator end plate, and the other end of the toothed plate is outwards folded to form a folded structure, so that the winding can be hooped on the toothed plate after being wound, and falling is avoided. The folded structure of the toothed plate end of the front side stator end plate is folded toward the front side, and the folded structure of the toothed plate end of the rear side stator end plate is folded toward the rear side. As shown in fig. 9 and 10, the front stator end plate has a structure as viewed from the front and rear sides, and is composed of an annular outer frame 20811, tooth plates 20812, and a molding structure 20813.

The two stator end plates are of symmetrical structures and are symmetrically arranged on the front side and the rear side of the stator in the front-rear direction.

The utility model is convenient for radiating the motor component, and can be arranged according to the following structure: as shown in fig. 2, 3 and 11, the fixing frame 205 has an inner cavity, and the front side surface of the fixing frame is provided with a rotating shaft through hole 2051, so that the end part of the rotating shaft 204 with a spline structure can conveniently pass out, and the edge of one side opening of the rotating shaft through hole 2051, which is positioned in the inner cavity, is provided with a bearing seat 2052, so that the front bearing 2091 can be conveniently fixed to form a front support for the rotating shaft 204.

The inner cavity of the fixing frame 205 is opened to the rear side (one side of the shell), after the fixing ring 207 is positioned between the fixing frame 205 and the shell 201, the gap between the fixing frame 205 and the shell 201 is filled and sealed, and the connection between the inner cavity of the fixing frame and the inner cavity of the shell and the outside is cut off. Retainer ring 207 may be considered a larger size O-ring herein.

The fixing frame 205 is further provided with a cooling duct 2053 for cooling, and the cooling duct 2053 is disposed on any one of the upper, lower, left and right sides of the fixing frame 205 and is communicated with an inner cavity of the fixing frame, for example, the upper side is provided with a cooling duct.

The cooling tunnel 2053 includes an inlet and an outlet for the ingress and egress of cooling fluid for cooling, respectively. The inner cavity of the fixing frame is communicated with the inner cavity of the shell, so that the insulation property of the cooling liquid is ensured, and the short circuit of internal devices is avoided.

In some preferred embodiments, the upper, lower, left and right sides of the fixing frame 205 are provided with openings corresponding to cooling channels (the structure shown in fig. 11 is arranged by adopting the structure), wherein any one opening is used as an inlet, and other openings are used as outlets. The practical effect of various openings can be reasonably distributed according to the method. The structure has the advantage of being adaptable to the limitation of installation space brought by different installation environments. For example, in some occasions, after the fixing frame is installed, the upper side surface provided with the opening lacks a layout space for arranging a conveying pipeline for introducing cooling liquid.

After the structure is arranged as described above, the front bearing 2091 falls into the inner cavity of the fixing frame 205, and can radiate heat through the cooling channels at the upper, lower, left and right sides, and the rear bearing 2092 can also cool when the rotor and the rotating shaft work due to the penetrability of the inner cavity of the housing.

The fixing ring is used for solving the problem of insufficient tightness caused by poor tightness between the fixing frame and the hard material of the shell. To facilitate the setting of the fixing ring 207, a step structure for facilitating the embedding of the fixing ring may be provided on the side of the fixing frame facing the housing or on the side of the housing facing the fixing frame, and the step structure is an annular structure. In the structure shown in fig. 11, the fixing frame 205 is disposed on a side facing the housing 201, and the step structure 2054 is connected to the inner cavity of the fixing frame and connected to the cooling duct.

In addition, the fixing frame 205 is further provided with a fastener hole 2056 for facilitating the connection of the housing 201 by a fastener such as a bolt, and correspondingly, the housing 201 is also provided with another set of matched fastener holes.

In summary, the utility model adopts the direct-drive structural design, realizes the brushless and permanent magnet-free characteristics of the power structure while eliminating the speed reducing mechanism, has a relatively simple overall structure, eliminates a plurality of problems existing in the conventional spraying equipment with the power structure during use, ensures stable and reliable operation, and has the advantages of high temperature resistance, low noise and long service life.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The reluctance motor driven spraying machine comprises a frame, a motor component, an air pressure component, a storage box, a control box and a jet flow component, wherein the motor component, the air pressure component, the storage box, the control box and the jet flow component are all arranged on the frame, the motor component is connected with the air pressure component, the air pressure component is connected with the storage box and the jet flow component, the control box is connected with the motor component, the reluctance motor is characterized in that the motor component comprises a shell, a rotating shaft, a rotor and a stator,

the front end of the rotating shaft is provided with a spline structure, and the spline structure is exposed out of the front side surface of the fixing frame after the front end of the rotating shaft passes through the fixing frame;

2. The reluctance motor-driven applicator of claim 1, wherein the stator is secured to the interior cavity of the housing by two stator end plates, the two stator end plates being located on the front and rear sides of the stator, respectively.

3. The reluctance motor driven applicator of claim 2, wherein the stator end plate is provided with a winding bracket.

4. The reluctance motor-driven applicator of claim 1, wherein the motor assembly comprises an end plate coupled to an edge of the rear opening of the housing, the rear end of the shaft being secured to the end plate by a bearing assembly.

5. The reluctance motor-driven paint coating machine according to claim 4, wherein bearing seats for facilitating fixing of the bearing assembly are provided on the fixing frame and the end plate.

6. The reluctance motor-driven paint coating machine according to claim 4, wherein a fixing ring is provided between the fixing frame and the housing, the fixing ring being fixed to a side surface of the fixing frame facing the housing.

7. The reluctance motor-driven applicator according to any one of claims 1 to 6, wherein the stator comprises a stator yoke and stator teeth disposed at equal distances along an inner circumferential wall of the stator yoke, the two being integrally formed, and the center of the stator yoke is provided with a through hole.

8. The reluctance motor-driven applicator according to any one of claims 1 to 6, wherein the rotor comprises a rotor yoke and rotor teeth disposed at equal distances along an outer circumferential wall of the rotor yoke, which are integrally formed, and the rotor yoke has a through hole at a center thereof.