CN218958769U

CN218958769U - Linear motor module

Info

Publication number: CN218958769U
Application number: CN202320114878.2U
Authority: CN
Inventors: 王建设; 印欣; 张新密; 石佳蒙
Original assignee: Jacobs Precision Electromechanical Nantong Co ltd; Akribis Systems (shanghai) Co ltd
Current assignee: Jacobs Precision Electromechanical Nantong Co ltd; Akribis Systems (shanghai) Co ltd
Priority date: 2023-01-18
Filing date: 2023-01-18
Publication date: 2023-05-02
Anticipated expiration: 2033-01-18

Abstract

The utility model belongs to the technical field of motor control modules, and discloses a linear motor module. The linear motor module further comprises a magnetic spring, the magnetic spring comprises a stator end and a rotor end, the stator end is fixed on the frame, the rotor end is connected with the linear member, magnetic poles on the stator end and the rotor end are opposite, and the stator end and the rotor end attract each other; the problem of cylinder can make active cell end and load take place the free fall under the prior art when the outage, leads to linear motor module to damage is solved.

Description

Linear motor module

Technical Field

The present disclosure relates to motor control modules, and particularly to a linear motor module.

Background

In the links of semiconductor production, dispenser production and PCB puncher production, the requirements on the positioning and response of equipment are higher and higher, so that the linear motor gradually replaces a ball screw at present, the linear motor has more advantages in moving speed and positioning precision, the problems of reverse clearance and abrasion of the ball screw are avoided, and the service life of precision is longer.

In order to balance the dead weight of the mover end and the load when the Z axis moves in the vertical direction perpendicular to the ground, a cylinder is generally used in combination with the Z axis module in the prior art, for example, the structure shown in the CN208556693U patent, but when the cylinder is powered off, the mover end and the load thereon will fall freely due to gravity, resulting in falling of the parts in the linear motor module and damage.

Disclosure of Invention

The utility model aims to provide a linear motor module, which solves the problem that in the prior art, when a cylinder is powered off, a rotor end and a load can fall freely, so that the linear motor module is damaged.

To achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a linear motor, which comprises a frame, wherein a magnetic track is arranged on the frame, a motor component is arranged on the magnetic track, the motor component slides along the length direction of the magnetic track, the linear motor module further comprises a magnetic spring, the magnetic spring comprises a stator end and a rotor end, the stator end is fixed on the frame, the rotor end is connected with the motor component, the stator end is opposite to the magnetic pole on the rotor end, and the attractive force between the stator end and the rotor end is equal to the gravity of the motor component.

Preferably, the motor member includes a linear motor that slides on the magnetic track when energized.

Preferably, the motor member further includes a load transferring plate fixedly connected with the linear motor.

Preferably, the motor member includes a slider, a guide rail is mounted on the frame, a length direction of the guide rail is parallel to a length direction of the magnetic track, the slider is slidably mounted on the guide rail, and the load adapter plate is connected with the slider.

Preferably, the guide rail is provided with two groups of sliding blocks, and the sliding blocks are respectively arranged on the upper side and the lower side of the guide rail.

Preferably, two groups of guide rails are installed on the frame, the guide rails are parallel, and the guide rails are arranged on two sides of the load adapter plate.

Preferably, the frame comprises a top plate, a straight plate and a bottom plate, the magnetic spring is mounted on the top plate, the magnetic track is mounted on the straight plate, and the bottom plate is placed on a horizontal plane.

Preferably, the linear motor module further comprises a spring adapter plate, the spring adapter plate is fixed on the top plate, a through hole is formed in the spring adapter plate, a transfer block is installed at the upper end of the load adapter plate, a floating joint is installed at the upper end of the transfer block, and the rotor end penetrates through the through hole and is connected with the floating joint.

The beneficial effects are that: the attractive force formed between the stator end and the rotor end is the same as the gravity of the motor component, so that the motor component can be in a suspended state on the Z axis, the linear motor can be in a suspended state on the length direction of the magnetic track, the motor component can slide up and down along the magnetic track through the interaction between the magnetic track and the component of the linear motor after the power is on, and when the power is off, the attractive force between the rotor end and the stator end in the magnetic spring is the same as the gravity of the motor component, so that the motor component is in a suspended state and cannot fall off, and the purpose of protecting the motor component is achieved.

Drawings

FIG. 1 is a main view of a linear motor module according to the present utility model;

fig. 2 is an internal structural view of the linear motor module according to the present utility model.

In the figure: 1-a frame; 11-top plate; 12-straight plates; 13-a bottom plate; 2-magnetic tracks; 3-a linear motor; 4-a slider; 5-a guide rail; 6-a load transfer plate; 7-a magnetic spring; 71-stator end; 72-a mover end; 8-spring adapter plate; 9-floating joint; 10-a transfer block.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The motor component is fixed through the cylinder on the linear motor module under the prior art, namely the component that moves along the Z axle, after the linear motor module outage, the motor component takes place the condition of free fall because of the influence of gravity, but through the pulling effect of cylinder, can make the motor component not fall, when there is not the magnetic field on the magnetic track, keep the stability that the motor component connects through the cylinder, can not slide downwards, but the cylinder itself still needs the circular telegram just can get into operating condition, after the outage in the factory, the cylinder loses the working capacity, the motor component still can the free fall striking ground, and then lead to the damage of linear motor module, and simultaneously when not needing the work of linear motor module, still need go on the cylinder, the waste of energy.

In order to solve the above problems, the present utility model provides a linear motor module, as shown in fig. 1 to 2, comprising a frame 1, a magnetic track 2 mounted on the frame 1, a motor member mounted on the magnetic track 2 and sliding along the length direction of the magnetic track 2, and a magnetic spring 7, wherein the magnetic spring 7 comprises a stator end 71 and a rotor end 72, the stator end 71 is fixed on the frame 1, the rotor end 72 is connected with the motor member, the magnetic poles of the stator end 71 and the rotor end 72 are opposite, and the attractive force between the stator end 71 and the rotor end 72 is equal to the gravity of the motor member.

The magnetic spring 7 is internally provided with the stator end 71 and the rotor end 72, attractive force is generated between the stator end 71 and the rotor end 72, the attractive force is the same as the gravity of the motor component, the magnetic force of the magnetic poles can be generated without any energy source, compared with a cylinder which needs to be electrified, the energy source can be saved, after the power failure is suddenly encountered, the motor component has a tendency of free falling under the action of gravity, the motor component to be free falling can be provided with vertical upward pulling force through the attractive force generated between different magnetic poles, the motor component is prevented from falling downwards, the safety of the linear motor module after power failure is improved, the parts are prevented from damaging due to the impact of the adapter plate on the ground, the service life is prolonged, in addition, the friction force can be generated between the push rod in the cylinder and the inner wall of the cylinder due to the fact that the push rod in the adapter plate 6 can drive the friction generated between the push rod and the inner wall of the cylinder, the friction force can not be generated through the attractive force between the stator end 71 and the rotor end 72, the energy source is saved, and the consumed energy source is low when the load plate 6 moves.

The magnetic spring 7 may be mounted at the bottom, and the same polarity is provided between the stator end 71 and the mover end 72, so that the repulsive force between the stator end 71 and the mover end 72 causes the bottom of the motor member to generate an upward pulling force, which is the same as the principle that the magnetic spring 7 is mounted at the top of the motor member.

The framework of the linear motor 3 mainly comprises the linear motor 3, the linear motor 3 slides on the magnetic track 2 after being electrified, and magnetic force is generated by interaction between the three-phase current of the linear motor 3 and the magnetic field of the magnetic track 2, so that up-and-down reciprocating motion is performed, up-and-down motion of the load adapter plate 6 is realized, and the moving object of the linear motor module is realized.

The motor component further comprises a load adapter plate 6, the load adapter plate 6 is fixedly connected with the linear motor 3, any part is fixedly connected with the load adapter plate 6, further up-and-down movement of the part of the load adapter plate 6 is achieved, multiple groups of through holes in different forms are formed in the load adapter plate 6, connection with other parts needing up-and-down movement is facilitated, and reliability in a moving process is improved.

The motor component includes slider 4, install guide rail 5 on the frame 1, the length direction of guide rail 5 is parallel with the length direction of magnetic track 2, slidable mounting has slider 4 on the guide rail 5, load keysets 6 is connected with slider 4, because load keysets 6 are bulky, the shake can appear probably to fix on magnetic track 2 through linear motor 3 alone, so install slider 4 on load keysets 6 to still be provided with the slide rail parallel with magnetic track 2 on the straight board 12, slider 4 on the load keysets 6 slides along the slide rail, makes the removal process of load keysets 6 more stable, can not appear rocking.

The two groups of sliding blocks 4 are arranged on the guide rail 5, the sliding blocks 4 are respectively arranged on the upper side and the lower side of the guide rail 5, the two groups of guide rails 5 are arranged on the frame 1, the guide rails 5 are parallel to each other, the guide rails 5 are arranged on the two sides of the load adapter plate 6, the two groups of sliding blocks 4 are respectively corresponding to each group of sliding rail, and the sliding rails are respectively arranged on the left side and the right side of the load adapter plate 6, so that the load adapter plate 6 is further reinforced, and the load adapter plate 6 cannot shake in the moving process.

The frame 1 comprises a top plate 11, a straight plate 12 and a bottom plate 13, wherein the magnetic spring 7 is arranged on the top plate 11, the magnetic track 2 is arranged on the straight plate 12, and the bottom plate 13 is arranged on a horizontal plane.

The linear motor module further comprises a spring adapter plate 8, the spring adapter plate 8 is fixed on the top plate 11, the stator end 71 is fixed on the spring adapter plate 8, a cavity is formed by enclosing the stator end 71, a part of the rotor end 72 is arranged in the cavity, a through hole is formed in the spring adapter plate 8, a transfer block 10 is installed at the upper end of the load adapter plate 6, a floating joint 9 is installed at the upper end of the transfer block 10, the through hole of the rotor end 72 is connected with the floating joint 9, and the fixed connection between the rotor end 72 and the load adapter plate 6 can be realized through the transfer block 10 and the floating joint 9.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The utility model provides a linear motor module, includes frame (1), install magnetic track (2) on frame (1), install the motor component on magnetic track (2), the motor component is followed magnetic track (2) length direction slides, a serial communication port, linear motor module still includes magnetic spring (7), magnetic spring (7) include stator end (71) and active cell end (72), stator end (71) are fixed on frame (1), active cell end (72) with the motor component is connected, stator end (71) with the magnetic pole on active cell end (72) is opposite, attractive force between stator end (71) with active cell end (72) equals the gravity of motor component.

2. Linear motor module according to claim 1, characterized in that the motor means comprise a linear motor (3), the linear motor (3) sliding on the magnetic track (2) after being energized.

3. Linear motor module according to claim 2, characterized in that the motor member further comprises a load adapter plate (6), the load adapter plate (6) being fixedly connected with the linear motor (3).

4. A linear motor module according to claim 3, characterized in that the motor member comprises a slider (4), a guide rail (5) is mounted on the frame (1), the length direction of the guide rail (5) is parallel to the length direction of the magnetic track (2), the slider (4) is slidingly mounted on the guide rail (5), and the load adapter plate (6) is connected with the slider (4).

5. Linear motor module according to claim 4, characterized in that the guide rail (5) is provided with two sets of sliding blocks (4), which sliding blocks (4) are mounted at the upper and lower ends of the guide rail (5), respectively.

6. Linear motor module according to claim 5, characterized in that the frame (1) is provided with two sets of guide rails (5), the guide rails (5) are parallel, and the guide rails (5) are arranged on the left and right sides of one side of the load adapter plate (6).

7. A linear motor module according to claim 3, characterized in that the frame (1) comprises a top plate (11), a straight plate (12) and a bottom plate (13), the magnetic spring (7) being mounted on the top plate (11), the magnetic track (2) being mounted on the straight plate (12), the bottom plate (13) being placed on a horizontal plane.

8. Linear motor module according to claim 7, characterized in that it further comprises a spring adapter plate (8), said spring adapter plate (8) being fixed on said top plate (11), said spring adapter plate (8) being formed with a through hole, said stator end (71) being fixed on said spring adapter plate (8), a transfer block (10) being mounted on the upper end of said load adapter plate (6), a floating joint (9) being mounted on the upper end of said transfer block (10), said mover end (72) being connected with said floating joint (9) through said through hole.