CN217037014U

CN217037014U - Rotary reciprocating linear motor

Info

Publication number: CN217037014U
Application number: CN202122440073.0U
Authority: CN
Inventors: 臧一平
Original assignee: Qingdao Ruiyichen Transmission Equipment Co ltd
Current assignee: Qingdao Ruiyichen Transmission Equipment Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-07-22
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses a rotary reciprocating linear motor which comprises a shell, wherein a bearing is fixedly connected to the inner side wall of the shell, a fixed shaft is fixedly connected to the inner wall of the bearing and penetrates through the bearing, a main shaft is fixedly connected to one end of the fixed shaft, three cams are fixedly connected to the outer surface of the main shaft, two symmetrically arranged magnet assemblies are fixedly connected to the inner bottom wall of the shell, a cutting coil is fixedly connected to the inner bottom wall of the shell, and the cutting coil is located in the middle of the two magnet assemblies. According to the linear motor, the buffer assembly can enable the cam to be in direct contact with the permanent magnet and be changed into contact with the buffer punch, the buffer spring can absorb part of vibration, the permanent magnet can perform magnetic field cutting power generation for multiple times through cooperation of the spring and the cam repeatedly, part damage caused by direct contact of the cam and the permanent magnet is reduced, and the service life of the linear motor is greatly prolonged.

Description

Rotary reciprocating linear motor

Technical Field

The utility model relates to the technical field of novel motors, in particular to a rotary reciprocating linear motor.

Background

The existing generator generally adopts a rotating magnetic field and mainly comprises a shell, a rotor and a stator, wherein the rotor is arranged on a rotor shaft. The surface of the rotor is provided with a permanent magnet, the stator is fixed on the inner wall of the motor shell, and a winding coil is wound on the stator. The rotor rotates in the stator to generate a rotating magnetic field, and the stator conductor cuts magnetic lines of force to generate electromotive force, so that electric energy is obtained. The generator has the defects of low efficiency, high manufacturing cost, complex manufacturing process and the like.

The application number "CN 201220046211.5" designs a generator that has advantages such as efficient, the range of application is wide, but this device does not set up suitable buffering subassembly between cam and permanent magnet, and like this under the condition of high-speed many times rotation, permanent magnet and cam are very easy to take place the damage.

SUMMERY OF THE UTILITY MODEL

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

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a rotatory reciprocating type linear electric motor, includes the casing, the inside wall fixedly connected with bearing of casing, bearing inner wall fixedly connected with fixed axle, the fixed axle runs through the bearing, the one end fixedly connected with main shaft of fixed axle, the three cam of outer fixed surface of main shaft is connected with, the magnet subassembly that two symmetries of diapire fixedly connected with set up in the casing, the interior diapire fixedly connected with cutting coil of casing, cutting coil is located two magnet subassembly's centre department.

As a further description of the above technical solution:

the magnet assembly comprises a fixed column, the fixed column is fixedly connected with the inner bottom wall of the shell, a repeated spring is sleeved on the outer surface of the fixed column, a permanent magnet is slidably connected to the outer surface of the fixed column, a limiting block is fixedly connected to the top end of the fixed column, and a buffer assembly used for buffering is arranged inside the permanent magnet.

As a further description of the above technical solution:

the buffer assembly comprises a limiting frame, the limiting frame is fixedly connected with the inside of the permanent magnet, a sliding block is connected to the outer surface of the limiting frame in a sliding mode, a limiting rod is fixedly connected to one side of the sliding block, a buffer head is fixedly connected to the top end of the limiting rod, a buffer spring is sleeved on the outer surface of the limiting frame, and one end of the buffer spring is fixedly connected with the sliding block.

As a further description of the above technical solution:

two symmetrically-arranged positioning holes are formed in the permanent magnet and are used for the permanent magnet to be in sliding connection with the fixing column.

As a further description of the above technical solution:

the buffering heads are made of polyurethane materials, and the positions of the cams correspond to the buffering punching heads one by one.

As a further description of the above technical solution:

the cutting coil is a fixed magnet exciting coil, and a rubber sleeve for buffering is sleeved on the outer surface of the cam.

The utility model has the following beneficial effects:

compared with the prior art, this rotatory reciprocating type linear electric motor, buffer assembly through setting up can make the direct contact between cam and permanent magnet, change into gentle drift contact, can adsorb partial vibrations through buffer spring, external moment makes the fixed axle rotate, then the main shaft drives the cam and rotates, the cam rotates and bumps the buffer head, after buffer spring adsorbs partial energy, the permanent magnet downstream, the permanent magnet cuts the magnetic field that cutting coil produced and produces electric power like this, the permanent magnet will relapse the spring and push down its shrink, after the cam leaves the buffer head, it makes the permanent magnet carry out magnetic field cutting once more to relapse the spring to emit, the part that leads to of cam and permanent magnet direct contact has been reduced damages, this linear electric motor's life has been promoted greatly.

Drawings

Fig. 1 is a partial sectional view of a rotary reciprocating linear motor according to the present invention;

fig. 2 is an enlarged view of a portion a of a rotary reciprocating linear motor according to the present invention in fig. 1;

fig. 3 is a schematic diagram of a permanent magnet of a rotary reciprocating linear motor according to the present invention.

Illustration of the drawings:

1. a housing; 2. a bearing; 3. a fixed shaft; 4. a main shaft; 5. a cam; 6. a magnet assembly; 7. cutting the coil; 8. a buffer assembly; 9. positioning holes; 61. fixing the column; 62. repeating the spring; 63. a permanent magnet; 64. a limiting block; 81. a limiting rod; 82. a buffer head; 83. a slider; 84. a limiting frame; 85. a buffer spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the rotary reciprocating linear motor provided by the present invention comprises a housing 1, a bearing 2 fixedly connected to the inner side wall of the housing 1, a stationary shaft 3 fixedly connected to the inner wall of the bearing 2, the stationary shaft 3 penetrating the bearing 2, a main shaft 4 fixedly connected to one end of the stationary shaft 3, three cams 5 fixedly connected to the outer surface of the main shaft 4, two symmetrically arranged magnet assemblies 6 fixedly connected to the inner bottom wall of the housing 1, a cutting coil 7 fixedly connected to the inner bottom wall of the housing 1, the cutting coil 7 located in the middle of the two magnet assemblies 6, the buffer assembly 8 is arranged to enable direct contact between the cam 5 and the permanent magnet 63, to be changed into contact with the buffer head 82, the vibration of the part can be absorbed through the buffer spring 85, the damage to parts caused by the direct contact of the cam 5 and the permanent magnet 63 is reduced, and the service life of the linear motor is greatly prolonged.

Magnet subassembly 6 includes fixed column 61, the interior diapire fixed connection of fixed column 61 and casing 1, and the surface of fixed column 61 has cup jointed repetition spring 62, and the surface sliding connection of fixed column 61 has permanent magnet 63, and the top fixedly connected with stopper 64 of fixed column 61, the inside buffer unit 8 that is used for the buffering that is provided with of permanent magnet 63 can make permanent magnet 63 playback through the repetition spring 62 that sets up.

Buffering subassembly 8 includes spacing 84, the inside fixed connection of spacing 84 and permanent magnet 63, the surface sliding connection of spacing 84 has slider 83, one side fixedly connected with gag lever post 81 of slider 83, the top fixedly connected with buffer head 82 of gag lever post 81, buffer spring 85 has been cup jointed to spacing 84's surface, buffer spring 85's one end and slider 83 fixed connection, adsorb vibrations, reduce the collision damage between cam 5 and permanent magnet 63.

Two positioning holes 9 symmetrically arranged are formed in the permanent magnet 63, and the positioning holes 9 are used for slidably connecting the permanent magnet 63 and the fixing column 61, so that the movement of the permanent magnet 63 is limited conveniently.

The buffer heads 82 are made of polyurethane materials, and the positions of the cams 5 correspond to the buffer heads 82 one by one, so that vibration generated by rotation is absorbed, and vibration loss is reduced.

The cutting coil 7 is a fixed magnet exciting coil, and the outer surface of the cam 5 is sleeved with a rubber sleeve for buffering, so that loss is reduced conveniently.

The working principle is as follows: when the cutting machine is used, the fixed shaft 3 is rotated by external torque, the cam 5 is driven by the main shaft 4 to rotate, the cam 5 rotates to touch the buffer head 82, the permanent magnet 63 moves downwards after absorbing part of energy through the buffer spring 85, the permanent magnet 63 cuts a magnetic field generated by the cutting coil 7 to generate electric power, meanwhile, the repeated spring 62 is pressed downwards by the permanent magnet 63 to shrink the magnetic field, and after the cam 5 leaves the buffer head 82, the repeated spring 62 is released to enable the permanent magnet 63 to cut the magnetic field again.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rotary reciprocating linear motor comprising a casing (1), characterized in that: the utility model discloses a magnetic bearing, including casing (1), inside wall fixedly connected with bearing (2) of casing (1), bearing (2) inner wall fixedly connected with fixed axle (3), bearing (2) are run through in fixed axle (3), the one end fixedly connected with main shaft (4) of fixed axle (3), the three cam (5) of surface fixedly connected with of main shaft (4), magnet subassembly (6) that two symmetries of inner bottom wall fixedly connected with set up in casing (1), inner bottom wall fixedly connected with cutting coil (7) of casing (1), cutting coil (7) are located the centre department of two magnet subassembly (6).

2. A rotary reciprocating linear motor according to claim 1, wherein: the magnetic assembly (6) comprises a fixing column (61), the fixing column (61) is fixedly connected with the inner bottom wall of the shell (1), a repeated spring (62) is sleeved on the outer surface of the fixing column (61), a permanent magnet (63) is connected to the outer surface of the fixing column (61) in a sliding mode, a limiting block (64) is fixedly connected to the top end of the fixing column (61), and a buffer assembly (8) used for buffering is arranged inside the permanent magnet (63).

3. A rotary reciprocating linear motor as claimed in claim 2, wherein: buffer unit (8) are including spacing (84), the inside fixed connection of spacing (84) and permanent magnet (63), the surface sliding connection of spacing (84) has slider (83), one side fixedly connected with gag lever post (81) of slider (83), the top fixedly connected with buffering head (82) of gag lever post (81), buffer spring (85) have been cup jointed to the surface of spacing (84), the one end and the slider (83) fixed connection of buffer spring (85).

4. A rotary reciprocating linear motor according to claim 2, wherein: two symmetrically-arranged positioning holes (9) are formed in the permanent magnet (63), and the positioning holes (9) are used for slidably connecting the permanent magnet (63) and the fixing column (61).

5. A rotary reciprocating linear motor according to claim 3, wherein: the buffering heads (82) are made of polyurethane materials, and the positions of the cams (5) correspond to the buffering punching heads (82) one by one.

6. A rotary reciprocating linear motor as claimed in claim 1, wherein: the cutting coil (7) is a fixed magnet exciting coil, and a rubber sleeve for buffering is sleeved on the outer surface of the cam (5).