CN216851718U

CN216851718U - Magnetic force counter weight linear electric motor

Info

Publication number: CN216851718U
Application number: CN202220398258.1U
Authority: CN
Inventors: 任超; 戴振东; 夏雪刚; 于竟成
Original assignee: Lecnor Robot Technology Jiangsu Co ltd
Current assignee: Lecnor Robot Technology Jiangsu Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-06-28
Anticipated expiration: 2032-02-25

Abstract

The utility model relates to a magnetic force counter weight linear electric motor, including the linear electric motor base, motor stator, motor active cell, the linear guide subassembly, the fixed sliding seat of active cell and magnetic force spring, motor stator fixes at the linear electric motor base, the linear guide unit mount is at the linear electric motor base, motor active cell installs in the fixed sliding seat of active cell, the fixed sliding seat of active cell is connected with the linear guide subassembly, motor stator and motor active cell contactless between the two, magnetic force spring includes fixed part and motion portion, the fixed part is installed on the linear electric motor base, the motion portion is installed on the fixed sliding seat of active cell. The utility model relates to a linear motion device that stability is good, the precision is high, fast, simple structure, have repeated positioning accuracy height, high acceleration, non-maintaining characteristics.

Description

Magnetic force counter weight linear electric motor

Technical Field

The utility model relates to an automatic field, concretely relates to magnetic force counter weight linear electric motor.

Background

The linear motion is almost ubiquitous in our daily life environment and working environment. From the industrial technology point of view, the linear motion has several metrics as follows: rigidity, accuracy and speed, acceleration; different applications have different requirements for linear motion; for example, in the machine tool industry, the main requirements for linear motion are rigidity and precision, and the rigidity and precision are used for realizing precise motion trajectory control; in the automatic semiconductor industry, high acceleration and high precision need to reach 3 mu, and especially in vertical use, common screw rod transmission, synchronous belt transmission and rack transmission cannot reach 3 mu precision and high-acceleration high-frequency linear motion. The switching mechanism is cancelled, the linear motor module can reach high precision and high speed, and the linear motor module can not be powered off and self-locked when being vertically used, so that the safety of a machine table cannot be protected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a magnetic force counter weight linear electric motor.

The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides a magnetic force counter weight linear electric motor, including the linear electric motor base, motor stator, motor active cell, the linear guide subassembly, the fixed sliding seat of active cell and magnetic force spring, motor stator fixes at the linear electric motor base, the linear guide unit mount is at the linear electric motor base, motor active cell installs in the fixed sliding seat of active cell, the fixed sliding seat of active cell is connected with the linear guide subassembly, contactless between motor stator and the motor active cell between the two, magnetic force spring includes fixed part and motion portion, the fixed part is installed on the linear electric motor base, the motion portion is installed on the fixed sliding seat of active cell.

Further, the air gap between the motor stator and the motor rotor is 0.8 mm.

Furthermore, the linear guide rail assembly comprises two parallel linear guide rails, and the linear guide rails are connected with sliding blocks.

Further, the linear guide rail is fixed on the linear motor base.

Further, the motor stator and the motor rotor are located between the two parallel linear guide rails.

Furthermore, the sliding block is connected with a mover fixing sliding seat.

Furthermore, a grating encoder is installed on one side of the mover fixing sliding seat.

Furthermore, the end plates are installed at the front end and the rear end of the linear motor base, and buffers are arranged on the inner sides of the end plates.

Furthermore, protective covers are arranged at the tops of the motor stator and the motor rotor.

Compared with the prior art, the utility model relates to a magnetic force counter weight linear electric motor's beneficial effect is: the linear motion device has the advantages of good stability, high precision, high speed and simple structure, and has the characteristics of high repeated positioning precision, high acceleration and no maintenance.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partial structural schematic diagram of fig. 1.

Fig. 3 is another angular schematic of fig. 2.

Fig. 4 is a partial structural schematic view of fig. 2.

Detailed Description

Referring to fig. 1 to 4, a magnetic counterweight linear motor includes a linear motor base 1, a motor stator 2, a motor mover 3, a linear guide assembly, a mover fixing sliding seat 5, and a magnetic spring 9, where the motor stator 2 is fixed on the linear motor base 1, the linear guide assembly is installed on the linear motor base 1, the motor mover 3 is installed on the mover fixing sliding seat 5, and the mover fixing sliding seat 5 is connected to the linear guide assembly.

The motor stator 2 and the motor rotor 3 are not in contact with each other, and an air gap between the two is 0.8 mm. The motor is controlled to move back and forth by changing the current direction of the motor rotor 3, the moving principle of the motor is the same as that of a magnetic suspension train, and the details are not repeated herein.

The motor stator 2 and the motor rotor 3 directly convert electric energy into linear motion without other mechanisms. The synchronous motor has the advantages of no cogging force, small installation volume, small inertia, high acceleration, excellent synchronous and high-speed coordination capability, small reverse electrodynamic force and the like.

The linear guide rail assembly comprises two parallel linear guide rails 4, the linear guide rails 4 are connected with sliding blocks 41, and the linear guide rails 4 are fixed on the linear motor base 1. The motor stator 2 and the motor mover 3 are located between two parallel linear guide rails 4.

The slider 41 is connected with the mover fixed sliding base 5.

And a grating encoder 6 is arranged on one side of the mover fixed sliding seat 5.

End plates 8 are installed at the front end and the rear end of the linear motor base 1, and buffers 7 are arranged on the inner sides of the end plates 8.

And the tops of the motor stator 2 and the motor rotor 3 are provided with protective covers 10 for protection.

The magnetic spring 9 includes a fixing portion 91 and a moving portion 92, the fixing portion 91 is installed on the linear motor base 1, and the moving portion 92 is installed on the mover fixing sliding base 5. To achieve a linear drive configuration to prevent the risk of vertical use dropout.

The magnetic spring generates force by a permanent magnet and has no mechanical friction. The magnetic force configuration force is constant force, and no loss exists, so that the force of the linear motor is ensured to be unchanged in motion. The magnetic counterweight has the advantages of no contact, no loss, suitability for high speed, high precision, high acceleration, no need of maintenance, long service life and the like.

The utility model relates to a linear motion device that stability is good, the precision is high, fast, simple structure, have repeated positioning accuracy height, high acceleration, non-maintaining characteristics.

Can use the 3C electron to snatch, the photovoltaic transport, the LED panel detects, and unloading in the nonstandard automation, SMT lithium cell, during cutting etc, effectual improvement labor efficiency reduces the manpower this.

The product quality and stability are greatly improved. The device has the advantages of large working space, flexible action, high reliability, low manufacturing cost, simple maintenance and the like.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a magnetic force counter weight linear electric motor which characterized in that: the linear motor comprises a linear motor base, a motor stator, a motor rotor, a linear guide rail assembly, a rotor fixing sliding seat and a magnetic spring, wherein the motor stator is fixed on the linear motor base, the linear guide rail assembly is installed on the linear motor base, the motor rotor is installed on the rotor fixing sliding seat, the rotor fixing sliding seat is connected with the linear guide rail assembly, the motor stator and the motor rotor are in non-contact with each other, the magnetic spring comprises a fixing portion and a moving portion, the fixing portion is installed on the linear motor base, and the moving portion is installed on the rotor fixing sliding seat.

2. A magnetically weighted linear motor according to claim 1, wherein: and the air gap between the motor stator and the motor rotor is 0.8 mm.

3. The magnetically-balanced linear motor of claim 1, wherein: the linear guide rail assembly comprises two parallel linear guide rails, and the linear guide rails are connected with sliding blocks.

4. A magnetically weighted linear motor according to claim 3, wherein: the linear guide rail is fixed on the linear motor base.

5. A magnetically weighted linear motor according to claim 3, wherein: the motor stator and the motor rotor are positioned between the two parallel linear guide rails.

6. A magnetically weighted linear motor according to claim 3, wherein: the sliding block is connected with the mover fixing sliding seat.

7. A magnetically weighted linear motor according to claim 1, wherein: and one side of the mover fixing sliding seat is provided with a grating encoder.

8. A magnetically weighted linear motor according to claim 1, wherein: the end plates are installed at the front end and the rear end of the linear motor base, and buffers are arranged on the inner sides of the end plates.

9. A magnetically weighted linear motor according to claim 1, wherein: and protective covers are arranged at the tops of the motor stator and the motor rotor.