阅读说明：本技术 一种直线刮刀电机用自平衡装置 (Self-balancing device for linear scraper motor ) 是由 王凯 王旋 于 2021-09-03 设计创作，主要内容包括：本发明提供的一种直线刮刀电机用自平衡装置,包括定子和动子；所述的动子位于所述的定子的内部,与所述的定子相配合做上下运动；所述的定子和动子上设置有永磁铁,所述的永磁铁布置在所述的定子内壁和动子内部,通过永磁铁的相斥或者相吸来克服所述的动子的自重,使其达到自重平衡,防止其下落。本发明提供的一种直线刮刀电机用自平衡装置,通过永磁铁的使用,克服动子自重,达到设备运行时的自重平衡,由于永磁铁的特性可以克服弹簧或者气缸的使用磨损或者疲劳的缺陷,进而可以大大提高设备长时间运行的精度,增加设备的使用寿命。(The invention provides a self-balancing device for a linear scraper motor, which comprises a stator and a rotor; the rotor is positioned in the stator and is matched with the stator to move up and down; the permanent magnets are arranged on the inner wall of the stator and the inner wall of the rotor, and the dead weight of the rotor is overcome through repulsion or attraction of the permanent magnets, so that the dead weight balance is achieved, and the falling of the rotor is prevented. According to the self-balancing device for the linear scraper motor, the dead weight of the rotor is overcome through the use of the permanent magnet, the dead weight balance during the operation of equipment is achieved, and due to the characteristics of the permanent magnet, the defects of abrasion or fatigue caused by the use of a spring or an air cylinder can be overcome, so that the long-time operation precision of the equipment can be greatly improved, and the service life of the equipment is prolonged.)

1. A self-balancing device for a linear scraper motor is characterized by comprising a stator and a rotor; the rotor is positioned in the stator and is matched with the stator to move up and down; permanent magnets are arranged on the stator and the rotor, the permanent magnets are arranged on the inner wall of the stator and inside the rotor, and the dead weight of the rotor is overcome through repulsion or attraction of the permanent magnets, so that the dead weight balance is achieved, and the falling of the rotor is prevented;

the rotor is electrified with electromagnetic force to move up and down, a magnetic field generated after electrification generates upward power for the rotor, so that the rotor moves up and then moves down, and after power failure, the rotor slides down and is repelled or attracted by the permanent magnet to keep balance in the stator and does not slide down any more.

2. The self-balancing device for the linear scraper motor as claimed in claim 1, wherein the permanent magnet is disposed above and fixedly connected to the inner wall of the stator.

3. The self-balancing device for the linear scraper motor according to claim 1, wherein the permanent magnet is disposed inside the mover, is fixedly connected to the mover, and is opposite to the permanent magnet in the stator in the same polarity, so as to form a repulsive force to repel the mover upward.

4. The self-balancing device for the linear scraper motor as claimed in claim 1, wherein the permanent magnet is disposed in the bottom inner wall of the mover, is fixedly connected to the mover, is opposite to the permanent magnet in the stator in opposite polarity, and forms a suction force to attract the mover upward.

5. The self-balancing device for the linear scraper motor as claimed in claim 1, wherein the mover is further provided with lightening holes, and the lightening holes penetrate through the mover.

6. The self-balancing device for the linear scraper motor as claimed in claim 1, wherein the mover is provided with a limiting groove, and the limiting groove penetrates through the mover and is disposed above the mover.

7. The self-balancing device for the linear scraper motor as claimed in claim 1, wherein the stator is provided with a limiting bracket, and the limiting bracket spans the rotor and is matched with the rotor.

Technical Field

The invention relates to the field of high-precision silk-screen mechanical equipment of a silk-screen plate, in particular to the field of electronic printing.

Background

At present, a linear scraper motor rotor enables a scraper to move up and down through electromagnetism, and the scraper rotor needs to be integrally moved up and down in the process, so that equipment is needed to overcome the dead weight of the scraper and the rotor and keep the balance of the rotor; therefore, once the working is stopped emergently, the position of the rotor can be maintained by keeping the power-on state, if the rotor falls down due to power failure, the rotor and parts on equipment are violently collided, and products and the equipment are damaged, so that the equipment is always in the working state, and once the power failure happens suddenly, the rotor can slide down to cause damage; meanwhile, in the working process, the rotor needs to keep self-weight balance in the up-and-down movement, so that the current regulation range in the working state is required to be too large, the motion stability of the rotor is influenced, and the working efficiency is further influenced.

The traditional motor is connected with a rotor through a spring or an air cylinder, the self weight of the rotor is overcome through external force, but the spring or the air cylinder can generate mechanical fatigue or abrasion after being used for a long time, so that the precision of a balancing device is reduced and the balancing device fails, and the precision of the device which is used for a long time cannot be guaranteed.

Disclosure of Invention

The invention aims to provide a self-balancing device for a linear scraper motor, which is characterized in that the balancing device is additionally arranged on a rotor, so that the rotor is kept in self-weight balance under the action of external force and is not influenced by the shutdown of emergency power-off of equipment under emergency conditions, the power required during working is further reduced, the current regulation range is reduced, and the maintenance cost of equipment operation is improved.

In order to solve the problems, the self-balancing device for the linear scraper motor provided by the invention adopts the following technical scheme:

a self-balancing device for a linear scraper motor comprises a stator and a rotor; the rotor is positioned in the stator and is matched with the stator to move up and down; permanent magnets are arranged on the stator and the rotor, the permanent magnets are arranged on the inner wall of the stator and inside the rotor, and the dead weight of the rotor is overcome through repulsion or attraction of the permanent magnets, so that the dead weight balance is achieved, and the falling of the rotor is prevented;

the rotor is electrified with electromagnetic force to move up and down, a magnetic field generated after electrification generates upward power for the rotor, so that the rotor moves up and then moves down, and after power failure, the rotor slides down and is repelled or attracted by the permanent magnet to keep balance in the stator and does not slide down any more.

Furthermore, the permanent magnet is arranged above the inner wall of the stator and is fixedly connected with the inner wall of the stator.

Furthermore, the permanent magnet is arranged in the rotor, is fixedly connected with the rotor, is homopolarly opposite to the permanent magnet in the stator, and forms repulsion to repel the rotor upwards.

Furthermore, the permanent magnet is arranged in the inner wall of the bottom of the rotor, is fixedly connected with the rotor, is opposite to the opposite pole of the permanent magnet in the stator, and forms suction force to attract the rotor upwards.

Furthermore, the rotor is also provided with lightening holes, and the lightening holes penetrate through the rotor.

Furthermore, a limit groove is formed in the rotor, penetrates through the rotor and is arranged above the rotor.

Furthermore, the stator is provided with a limiting support which spans the rotor and is matched with the rotor.

The invention has the beneficial effects that: according to the self-balancing device for the linear scraper motor, the dead weight of the rotor is overcome through the use of the permanent magnet, the dead weight balance during the operation of equipment is achieved, and due to the characteristics of the permanent magnet, the defects of abrasion or fatigue caused by the use of a spring or an air cylinder can be overcome, so that the long-time operation precision of the equipment can be greatly improved, and the service life of the equipment is prolonged.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of the present invention.

Fig. 2 is a front sectional view of a preferred embodiment of the present invention.

Wherein: 1. the stator comprises a rotor, 2 stators, 3 permanent magnets, 4 lightening holes, 5 limiting grooves and 6 limiting supports.

Detailed Description

In order to more clearly understand the technical solutions provided by the present invention, the following further describes the present invention with reference to the accompanying drawings and specific embodiments.

As shown in the attached drawings, the self-balancing device for the linear scraper motor comprises a stator 2 and a rotor 1; the rotor 1 is positioned inside the stator 2 and is matched with the stator 2 to move up and down; the stator 2 and the rotor 1 are provided with permanent magnets 3, the permanent magnets 3 are arranged on the inner wall of the stator 2 and inside the rotor 1, and the dead weight of the rotor 1 is overcome through repulsion or attraction of the permanent magnets 3, so that the dead weight balance is achieved, and the falling of the rotor is prevented;

the mover 1 is moved up and down by the electromagnetic force, the magnetic field generated after the power is on generates upward power for the mover 1, so that the mover 1 moves up and then moves down, and after the power is off, the mover 1 slides down and is repelled or attracted by the permanent magnet 3 to keep balance in the stator 2 and does not slide down any more.

Further, the permanent magnet 3 is arranged above the inner wall of the stator 2 and fixedly connected with the inner wall of the stator 2.

Furthermore, the permanent magnet 3 is arranged inside the mover 1, is fixedly connected with the mover 1, and is in homopolar opposition to the permanent magnet 3 in the stator 2, so as to form a repulsive force to repel the mover 1 upwards.

Furthermore, the permanent magnet 3 is arranged in the inner wall of the bottom of the mover 1, is fixedly connected with the mover 1, is opposite to the permanent magnet 3 in the stator 2 in opposite polarity, and forms a suction force to attract the mover 1 upwards.

Furthermore, the mover 1 is further provided with lightening holes 4, and the lightening holes 4 penetrate through the mover 1.

Furthermore, a limit groove 5 is arranged on the mover 1, and the limit groove 5 penetrates through the mover 1 and is arranged above the mover 1.

Furthermore, the stator 2 is provided with a limiting bracket 6 which spans the rotor 1 and is matched with the rotor 1.