CN217010670U

CN217010670U - Permanent magnet linear motor

Info

Publication number: CN217010670U
Application number: CN202122304993.XU
Authority: CN
Inventors: 柳明江; 柳立新
Original assignee: Xi'an Lianzong Aviation Precision Manufacturing Co ltd
Current assignee: Xi'an Lianzong Aviation Precision Manufacturing Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-07-19
Anticipated expiration: 2031-09-23

Abstract

The utility model relates to the technical field of permanent magnet linear motors, in particular to a permanent magnet linear motor.A driving device is arranged on the inner wall of a machine body and comprises a reciprocating rotor, wherein the reciprocating rotor is arranged on the inner wall of the machine body, one side of the machine body, which is close to the reciprocating rotor, is fixedly connected with a sliding ring, one side of the sliding ring, which is close to the reciprocating rotor, is provided with a circular hole, the reciprocating rotor is inserted and connected with the circular hole, the surface of the reciprocating rotor is sleeved and fixedly connected with a permanent magnet interlayer moving core, and the inner wall of the machine body is fixedly connected with a coil. According to the utility model, by arranging the driving device, the complex structure of the motor is effectively improved, the service life is prolonged, the driving force and the displacement of the rotor are accurately controlled, the short service life of the motor is reduced when the device is used, the response is not rapid enough, the mechanical error is large, the position is difficult to control, and meanwhile, the condition that the stroke of the electromagnetic actuator is small occurs, so that the complexity of the operation of the device is reduced, and the convenience and the usability of the device are improved.

Description

Permanent magnet linear motor

Technical Field

The utility model relates to the technical field of permanent magnet linear motors, in particular to a permanent magnet linear motor.

Background

The motor is a controller for driving equipment to operate, and the existing electric push rod is an electric driving device for converting a motor into linear reciprocating motion of the push rod, and can output relatively accurate displacement and force.

The motor is extensively used for in various industrial technology fields, and present most motors exist the complicated life-span of structure short, and the response is not rapid enough, has mechanical error to be difficult to the control position, and the behavior is not good under extreme condition, and the maintenance is overhauld comparatively complicatedly, and is required for lubricating system higher, and its electromagnetic actuator stroke is less simultaneously, has the decay at stroke both ends thrust, can not accurate control drive force and active cell displacement, need to improve this.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a permanent magnet linear motor.

In order to achieve the purpose, the utility model adopts the following technical scheme: the permanent magnet linear motor comprises a machine body and a driving device, wherein the driving device is arranged on the inner wall of the machine body, the driving device comprises a reciprocating rotor, the reciprocating rotor is arranged on the inner wall of the machine body, one side, close to the reciprocating rotor, of the machine body is fixedly connected with a sliding ring, a circular hole is formed in one side, close to the reciprocating rotor, of the sliding ring, and the reciprocating rotor is inserted into the circular hole and connected with the circular hole.

Preferably, reciprocal active cell's surface cover is established and fixedly connected with permanent magnetism intermediate layer moves the core, the inner wall fixedly connected with coil of organism is through setting up the electric drive device that the coil changes the motor into the straight reciprocating motion of push rod, can export the equipment of comparatively accurate displacement and power, increases the ease for use of equipment.

Preferably, one side of the machine body, which is close to the coil, is fixedly connected with a pointed end, one side of the machine body, which is close to the reciprocating rotor, is provided with an annular hole, the pointed end and the reciprocating rotor are arranged to generate an actuator with controllable driving force, the output acting force of the actuator is in direct proportion to the current passing through the coil, and the actuator has the characteristics of quick response, large stroke, high linearity, convenience in installation and the like.

Preferably, the inner wall of annular hole is inserted and is established and be connected with the dog, the surface cover of dog is equipped with spacing spring, spacing spring's both ends respectively with organism and dog fixed connection, through setting up spacing spring and dog and carrying out the buffering of pressure to reciprocal active cell, improve equipment's stability avoids reciprocal active cell to appear rocking, leads to the condition of equipment trouble.

Preferably, the upper surface of sliding ring is provided with lubricating arrangement, lubricating arrangement includes the brush ring, the brush ring is inserted with the sliding ring and is established the connection, the surface rotation of brush ring is connected with the cardboard, through setting up lubricating arrangement, effectively lubricates reciprocal active cell, avoids reciprocal active cell the card to die the condition that is difficult to the slip when using, leads to the whole problem that appears of equipment.

Preferably, one side fixedly connected with locating piece of brush ring, the spout has been seted up to the one side that the sliding ring is close to the locating piece, the inner wall sliding connection of spout has the slider, the circular port has been seted up to one side that the sliding ring is close to the slider, the slider is inserted with the circular port and is established and be connected, through setting up the brush ring, the friction of brush ring and reciprocal active cell when using, the brush ring brushes oil to it, improves its gliding ability, avoids the dead condition of reciprocal active cell card to appear.

Preferably, one side of the sliding ring, which is close to the sliding block, is rotatably connected with a rotating block, a fixed spring is fixedly connected between the rotating block and the sliding ring, one side of the sliding block, which is close to the rotating block, is provided with a clamping groove, and the fixed spring is matched with the rotating block to position the sliding block during use, so that the sliding block is prevented from moving during use, and the condition that the brush ring is not fixed and breaks away from the sliding ring is avoided.

Compared with the prior art, the utility model has the advantages and positive effects that:

in the utility model, by arranging the driving device, when the solenoid is electrified in use, the mover is subjected to actuating force along the axial direction of the mover according to the electromagnetic field principle and can generate displacement under the action of the actuating force. We can realize the control to active cell position and thrust through control current, this magnetic circuit design has guaranteed that the active cell is less at the power attenuation who forms both ends simultaneously, can realize more accurate control, through setting up drive arrangement, the complex construction that effectively improves the motor increases life and the displacement of accurate control driving force and active cell, and then it is short to have reduced equipment motor life-span when using, the response is not rapid enough, the big difficult control position of mechanical error, the less condition of its electromagnetic actuator stroke appears simultaneously, and then the complex operation degree of equipment has been reduced, the convenience and the ease of use of equipment have been improved.

1. According to the utility model, by arranging the lubricating device, when the reciprocating active cell lubricating device is used, the brush ring is inserted into the sliding ring, the sliding slide block is inserted into the sliding ring to abut against the brush ring, the rotating block is rotated at the moment, the rotating block fixing spring is loosened to generate elasticity to push the rotating block to abut against the sliding block to complete fixing, then the clamping plate is opened to add lubricating oil, when the reciprocating active cell slides, the reciprocating active cell rubs against the brush ring, then the brush ring lubricates and paints the reciprocating active cell, the rotating block is rotated to be separated from the sliding block, namely, the sliding block can be separated from the positioning block, the brush ring is taken out, and the reciprocating active cell is effectively lubricated by arranging the lubricating device, so that the situation that the reciprocating active cell is difficult to slide due to lack of lubrication during use of equipment is avoided, the fault rate of the equipment is reduced, and the safety of the equipment is improved.

Drawings

Fig. 1 is a schematic perspective view of a permanent magnet linear motor according to the present invention;

fig. 2 is a schematic diagram of an internal structure of a permanent magnet linear motor according to the present invention;

fig. 3 is a schematic structural diagram of a driving apparatus in a permanent magnet linear motor according to the present invention;

fig. 4 is a schematic structural diagram of a portion a of fig. 3 in a permanent magnet linear motor according to the present invention;

fig. 5 is a schematic structural diagram of a lubricating device in a permanent magnet linear motor according to the present invention.

Illustration of the drawings: 1. a body; 2. a drive device; 21. a slip ring; 22. a reciprocating mover; 23. a coil; 24. a permanent magnetic interlayer moving core; 25. a tip; 26. a stopper; 27. a limiting spring; 3. a lubricating device; 31. a brush ring; 32. clamping a plate; 33. a slider; 34. rotating the block; 35. a fixed spring; 36. and (7) positioning the blocks.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Referring to fig. 1-5, the present invention provides a technical solution: a permanent magnet linear motor comprises a machine body 1 and a driving device 2, wherein the driving device 2 is arranged on the inner wall of the machine body 1.

The specific arrangement and function of the drive means 2 and the lubricating means 3 will be described in detail below.

In this embodiment: the driving device 2 comprises a reciprocating rotor 22, the reciprocating rotor 22 is arranged on the inner wall of the machine body 1, a slip ring 21 is fixedly connected to one side of the machine body 1 close to the reciprocating rotor 22, a circular hole is formed in one side of the slip ring 21 close to the reciprocating rotor 22, and the reciprocating rotor 22 is connected with the circular hole in an inserting mode.

Specifically, the surface of the reciprocating rotor 22 is sleeved with and fixedly connected with a permanent magnet interlayer moving core 24, the inner wall of the machine body 1 is fixedly connected with a coil 23, the coil 23 is arranged to convert the motor into the linear reciprocating motion electric driving device 2 of the push rod, so that the equipment with accurate displacement and force can be output, and the usability of the equipment is improved.

Specifically, a pointed end 25 is fixedly connected to one side of the machine body 1 close to the coil 23, and an annular hole is formed in one side of the machine body 1 close to the reciprocating mover 22.

In this embodiment: the actuator capable of generating controllable driving force by arranging the pointed end 25 and the reciprocating rotor 22 has the advantages of being fast in response, large in stroke, high in linearity, convenient to install and the like, and the output acting force of the actuator is in direct proportion to the current passing through the coil 23 of the actuator.

Specifically, the inner wall of annular hole is inserted and is established and be connected with dog 26, and the surface cover of dog 26 is equipped with spacing spring 27, spacing spring 27's both ends respectively with organism 1 and dog 26 fixed connection, through setting up spacing spring 27 and dog 26 to reciprocating active cell 22 and carry out the buffering of pressure, improve equipment's stability avoids reciprocating active cell 22 to appear rocking, leads to the condition of equipment trouble.

In this embodiment: the upper surface of sliding ring 21 is provided with lubricating arrangement 3, and lubricating arrangement 3 includes brush ring 31, and brush ring 31 is inserted with sliding ring 21 and is established the connection, and the surperficial rotation of brush ring 31 is connected with cardboard 32.

In this embodiment: through setting up lubricating arrangement 3, effectively lubricate reciprocal active cell 22, avoid reciprocating active cell 22 to appear the dead circumstances that is difficult to slide of card when using, lead to the whole problem that appears of equipment.

Specifically, one side fixedly connected with locating piece 36 of brush ring 31, the spout has been seted up to the one side that sliding ring 21 is close to locating piece 36, the inner wall sliding connection of spout has slider 33, the circular port has been seted up to one side that sliding ring 21 is close to slider 33, slider 33 is inserted with the circular port and is established and be connected, through setting up brush ring 31, brush ring 31 rubs with reciprocal active cell 22 when using, brush ring 31 brushes oil to it, improve its gliding ability, avoid the dead condition of reciprocal active cell 22 card to appear.

Specifically, one side of the sliding ring 21 close to the sliding block 33 is rotatably connected with a rotating block 34, a fixed spring 35 is fixedly connected between the rotating block 34 and the sliding ring 21, and one side of the sliding block 33 close to the rotating block 34 is provided with a clamping groove.

In this embodiment: through setting up fixed spring 35, during the use, fixed spring 35 cooperation turning block 34 fixes a position slider 33, avoids slider 33 to appear moving when using, leads to the condition appearance that brush ring 31 lacks fixedly and breaks away from sliding ring 21.

The working principle is as follows: by providing the driving device 2, when the solenoid is energized in use, the mover is subjected to an actuating force along the axial direction of the mover according to the electromagnetic field principle, and can be displaced by the actuating force. The position and the thrust of the rotor can be controlled by controlling the current, meanwhile, the magnetic circuit design ensures that the power attenuation of the rotor at two formed ends is smaller, more accurate control can be realized, the driving device 2 is arranged, the complex structure of the motor is effectively improved, the service life is prolonged, the displacement of the driving force and the rotor is accurately controlled, the short service life of the motor is reduced when the device is used, the response is not rapid enough, the mechanical error is large, the position is not easy to control, meanwhile, the condition that the stroke of an electromagnetic actuator is smaller occurs, the complex operation degree of the device is reduced, the convenience and the usability of the device are improved, meanwhile, when the lubricating device 3 is used, the hairbrush ring 31 is inserted into the sliding ring 21, the sliding slide block 33 is inserted into the sliding ring 21 to abut against the hairbrush ring 31, the rotating block 34 is rotated, the rotating block 34 is loosened, the fixing spring 35 is not fixed to restrict, and the elastic force is generated to push the rotating block 34 to abut against the sliding block 33, accomplish fixedly, then open cardboard 32 and add lubricating oil, rub with brush ring 31 when reciprocal active cell 22 slides, then brush ring 31 is lubricated to it and is paintd, rotation turning block 34 breaks away from slider 33, can slide slider 33 and break away from locating piece 36, take out brush ring 31, through setting up lubricating arrangement 3, effectively lubricate reciprocal active cell 22, and then avoided equipment to lack the lubrication when using and cause the gliding condition of reciprocal active cell 22 to appear, and then reduced the fault rate of equipment, the security of equipment has been improved.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. The utility model provides a permanent magnet linear motor, includes organism (1) and drive arrangement (2), its characterized in that: the driving device (2) is arranged on the inner wall of the machine body (1), the driving device (2) comprises a reciprocating rotor (22), the reciprocating rotor (22) is arranged on the inner wall of the machine body (1), a sliding ring (21) is fixedly connected to one side, close to the reciprocating rotor (22), of the machine body (1), a circular hole is formed in one side, close to the reciprocating rotor (22), of the sliding ring (21), and the reciprocating rotor (22) is connected with the circular hole in an inserting mode.

2. A permanent magnet linear motor according to claim 1, characterized in that: the surface of the reciprocating rotor (22) is sleeved and fixedly connected with a permanent magnet interlayer moving core (24), and the inner wall of the machine body (1) is fixedly connected with a coil (23).

3. A permanent magnet linear motor according to claim 2, characterized in that: a pointed end (25) is fixedly connected to one side, close to the coil (23), of the machine body (1), and an annular hole is formed in one side, close to the reciprocating rotor (22), of the machine body (1).

4. A permanent magnet linear motor according to claim 3, characterized in that: the inner wall of the annular hole is inserted and connected with a stop block (26), a limiting spring (27) is sleeved on the surface of the stop block (26), and two ends of the limiting spring (27) are fixedly connected with the machine body (1) and the stop block (26) respectively.

5. A permanent magnet linear motor according to claim 1, characterized in that: the lubricating device (3) is arranged on the upper surface of the sliding ring (21), the lubricating device (3) comprises a brush ring (31), the brush ring (31) is connected with the sliding ring (21) in an inserting mode, and a clamping plate (32) is connected to the surface of the brush ring (31) in a rotating mode.

6. A permanent magnet linear motor according to claim 5, characterized in that: one side of the brush ring (31) is fixedly connected with a positioning block (36), one side of the sliding ring (21) close to the positioning block (36) is provided with a sliding groove, the inner wall of the sliding groove is connected with a sliding block (33) in a sliding mode, one side of the sliding ring (21) close to the sliding block (33) is provided with a circular hole, and the sliding block (33) is connected with the circular hole in an inserting mode.

7. The permanent magnet linear motor according to claim 6, characterized in that: one side of the sliding ring (21) close to the sliding block (33) is rotatably connected with a rotating block (34), a fixed spring (35) is fixedly connected between the rotating block (34) and the sliding ring (21), and one side of the sliding block (33) close to the rotating block (34) is provided with a clamping groove.