KR20020009030A - Motor of Revolving and Linear Type - Google Patents

Abstract

PURPOSE: A rotational and rectilinear motion-type linear electronic motor is provided to fabricate easily and more steadily a second armature coil unit and minimize a fabricating space of a rotational motion area by fabricating directly a yoke at a frame case. CONSTITUTION: A shaft(13) is fabricated on a peripheral surface of the rotational and rectilinear motion-type linear electronic motor by being separated as predetermined interval so that a neutral area(B) is formed between a first permanent magnet unit(11) fabricated on a rectilinear motion area(A) and a second permanent magnet unit(12) fabricated on a rotational motion area(C). A frame case(22) is formed so that a first armature coil unit(21) is fabricated inside of a position corresponding to the first permanent magnet unit(11) and is inserted into the neutral area(B). A yoke(24) is fabricated on one side surface of the frame case(22) and is formed so that a second armature coil unit is fabricated on a position corresponding to a second permanent magnet unit(12) fabricated on the peripheral surface of the shaft(13).

Description

Motor of Revolving and Linear Type

The present invention relates to a linear motor with rotation and linear motion, and more particularly to a rotary and linear motion linear motor for assembling the second armature coil part without a frame in a linear motor capable of rotation and linear motion.

Rotational and linear motion linear motors are configured to perform rotational and linear motion on the same axis. In order to perform rotational and linear motion on the same axis, the rotary and linear linear motors consist of a stator and a mover. The stator consists of a frame and an armature coil part, and the mover consists of a shaft and a plurality of permanent magnets. The armature coil (coil) to be mounted on the inside of the frame is divided into two and composed of a linear motion armature coil portion and a rotary motion armature coil portion.

The configuration of a rotary and linear linear motor for performing rotation and linear motion is as follows.

1 is a cross-sectional view of a conventional rotary and linear motion linear motor. As shown, the stator 1 consists of a frame 1a, a first armature coil part 1b and a second armature coil part 1c, and the mover 2 has a shaft 2b and a plurality of permanent parts. It consists of the magnet 2a. The plurality of permanent magnets 2a are arranged in a lattice shape on the outer circumferential surface of the shaft 2b as shown in FIG. 2.

The first armature coil part 1b, which is assembled on the plurality of permanent magnets 2a arranged in a lattice shape, is wound in an annular winding and assembled to the frame 1a using the supporting member 1d. The plurality of permanent magnets 2a, which are wound in an annular winding similar to the first armature coils 1b, are arranged in a lattice shape in a direction orthogonal to the first armature coils 1b. Is assembled on top.

The first armature coil part 1b assembled in a vertical direction on a plurality of permanent magnets 2a arranged in a lattice shape and arranged on the outer circumferential surface of the shaft 2b performs linear motion, and the first armature coil part ( The second armature coil part 1c assembled in the direction orthogonal to 1b) performs a rotational motion. Here, the three-phase (U, V, W, U ', V', W ') is applied to the first armature coil portion 1b wound in the annular winding in the linear motion region of the shaft 2b, and the second armature Three phases are similarly applied to the coil part 1c.

As described above, in the conventional rotary and linear linear motor, the first armature coil part and the second armature coil part are assembled inside one frame. When assembling the first armature coil part and the second armature coil part inside one frame, the second armature coil part is wound into a yoke and then assembled into the frame. By assembling the second armature coil unit by winding the coil in the yoke, there is a problem in that the assembly is not easy and the assembly cannot be secured.

SUMMARY OF THE INVENTION An object of the present invention is to provide a rotary and linear linear motor which can be assembled to a frame of linear linear motion region without using a frame in the second armature coil unit assembled in the rotary motion region in the rotary and linear linear motor.

Another object of the present invention is to facilitate assembling the second armature coil unit by assembling the second armature coil unit to the frame of the linear motion region without using a frame, and to assemble the second armature coil unit firmly. have.

1 is a cross-sectional view of a conventional rotary and linear motion linear motor,

Figure 2 is a schematic diagram showing a method of arranging the permanent magnet shown in FIG.

3 is an exploded assembly perspective view of a linear motor of a rotary and linear motion type according to the present invention;

4 is a perspective view of the stator shown in FIG. 3, FIG.

5 is a front view of the stator shown in FIG. 4;

6 is an assembled cross-sectional view of the stator shown in FIG. 4;

7 is a cross-sectional view showing another embodiment of the assembling method of the stator shown in FIG. 4.

<Description of the symbols for the main parts of the drawings>

11: First Permanent Magnet Division 12: Second Permanent Magnet Division

13: shaft 21: first armature coil unit

22: frame case 23: second armature coil unit

24: York

In order to achieve the above object, the present invention is assembled to the outer peripheral surface at a predetermined interval so that a neutral region is formed between the first permanent magnet portion assembled in the linear motion region and the second permanent magnet portion assembled in the rotational movement region. With one shaft; A frame case configured to be assembled with the first armature coil part inwardly at a position corresponding to the first permanent magnet part assembled on the outer circumferential surface of the shaft and inserted into the neutral region inwardly; Rotating and linear motion type linear motor, characterized in that composed of a plurality of yokes (assembled) on one side of the frame case and the second armature coil portion is assembled at a position corresponding to the second permanent magnet portion assembled on the outer peripheral surface of the shaft To provide.

In addition, the yoke is composed of a plurality of yoke pieces forming a plurality of through holes, the length of the yoke is provided to be proportional to the length of the second permanent magnet formed on the outer peripheral surface of the shaft, each yoke piece wound the coil inward Thus, a plurality of coil winding members are formed to assemble the second armature coil unit.

In addition, after assembling through a plurality of yoke pieces having a plurality of through-holes assembled on one side of the frame case, using a plurality of pins formed with a screw thread at one end to frame the yoke on one side of the frame case Through holes are formed in the frame case to form a plurality of screw grooves in the assembly or to assemble using bolts and nuts.

In addition, a corrosion-resistant material is applied to a predetermined thickness so as to have environmental resistance on the outer circumferential surface of the frame case and the outer circumferential surface of the yoke assembled to one side of the frame case.

(Example)

Hereinafter, the present invention will be described with reference to the accompanying drawings.

Figure 3 is an exploded perspective view of the assembled linear and linear motion linear motor of the present invention, Figure 4 is a perspective view of the stator shown in FIG. As shown, a neutral region B is formed between the first permanent magnet portion 11 assembled in the linear motion region A and the second permanent magnet portion 12 assembled in the rotational movement region C. The first armature coil part 21 is assembled inward at a position corresponding to the shaft 13 assembled at the outer circumferential surface and spaced at a predetermined interval and the first permanent magnet part 11 assembled at the outer circumferential surface of the shaft 13. In addition, the frame case 22 formed to be inserted into the neutral region B and installed inward, and the second permanent magnet part 12 assembled to one side of the frame case 22 and assembled to the outer circumferential surface of the shaft 13; It is composed of a yoke 24 in which the second armature coil part 23 is assembled at a corresponding position.

Referring to the configuration and operation of the present invention in more detail as follows.

The rotary and linear motion linear motor of the present invention is largely composed of the movers 11, 12, 13 and the stators 21, 22, 23, 24. The movers 11, 12, 13 are composed of a first permanent magnet part 11, a second permanent magnet part 13, and a shaft 13, and the stators 21, 22, 23, 24 are first armatures. The coil part 21, the frame case 22, the second armature coil part 23, and the yoke 24 are comprised.

The first permanent magnet portion 11 constituting the movable members 11, 12, 13 is located and assembled in the linear movement region (A), the second permanent magnet portion 12 is in the rotary movement region (C) Positioned and assembled. A neutral region B of a predetermined distance is formed between the linear movement region A and the rotation movement region C. FIG. The first permanent magnet portion 11 formed in the linear movement region A has a plurality of N-pole and S-pole permanent magnets (N, S, N, S) having a ring shape on the outer circumferential surface of the shaft 13. Assembled and configured to alternately position

The second permanent magnet part 12, which is located and assembled in the rotational movement region C, is assembled by arranging a plurality of N-pole and S-pole permanent magnets (N, S, N, S) in a lattice shape on the outer circumferential surface of the shaft. . A first permanent magnet portion 11 composed of a plurality of N-pole and S-pole permanent magnets (N, S, N, S) having a ring shape and a plurality of N-pole and S-pole permanent magnets (N, The predetermined space between the second permanent magnets 12 composed of S, N, and S is set to the neutral area B. FIG.

The first armature coil part 21 is assembled at a position corresponding to the first permanent magnet part 11 assembled to the rotational motion area A set on the left side with respect to the neutral area B, and the second side on the right side. The armature coil part 23 is assembled. The first armature coil part 21 is wound in an annular winding and assembled into the inner side of the frame case 22, and the second armature coil part 23 is wound and assembled in the yoke 24.

The yoke 24 is composed of a plurality of yoke pieces 24a, and a plurality of coil winding members 24b are formed inside the yoke piece 24a as shown in FIG. A plurality of coil winding members 24b are wound around the coil 23a in an annular winding to assemble the second armature coil unit 23. In order to assemble the second armature coil portion 23 to the yoke 24, the yoke piece 24a is first assembled before assembling each yoke piece 24a to one side of the frame case 21 as shown in FIG. After alignment and close contact, the coil 23a is wound in an annular winding.

The yoke 24 in which the second armature coil unit 23 is assembled by winding the coil 23a on the coil winding member 24b is proportional to the length of the second permanent magnet 12 formed on the outer circumferential surface of the shaft 13. It is provided. The yoke 24 is configured to be proportional to the length of the second permanent magnet 12. When the second armature coil part 23 is assembled, the yoke 24 to which the second armature coil part 23 is assembled is a frame case ( 22) to be assembled on one side.

A plurality of pins 31 are used as in FIG. 6 to assemble the yoke 24 to one side of the frame case 22. Threads 31a (shown in FIG. 3) are formed at one end of each of the plurality of pins 31 to assemble the yoke 224 to one side of the frame case 22 using the plurality of pins 31. . A plurality of screw grooves 22a are formed on one side of the frame case 22 so as to correspond to the threads 31a formed at one end of the plurality of pins 31.

When assembling the yoke 24 to one side of the frame case 22 using the plurality of pins 31, first, a plurality of through holes 24c are formed in the yoke 24. After assembling the yoke 24 by passing the plurality of pins 31 through the 24c, when the assembling of the yoke 24 is completed, the plurality of pins 31 are assembled to the frame case 22 to complete the assembly work. do. By assembling the yoke 24 using the plurality of pins 31 and assembling the assembled yoke 24 directly to the frame case 22, the assembling work is facilitated, and the yoke 24 is more firmly attached to the frame case ( 22) can be assembled. In addition, a corrosion resistant material is coated to a predetermined thickness so as to have environmental resistance on the outer circumferential surface of the frame case 22 and the outer circumferential surface of the yoke 24 assembled to one side of the frame case.

Another embodiment of a method of assembling yoke 24 to frame case 22 using multiple pins 31 is shown in FIG. 7.

As shown in FIG. 7, the yoke 24 is assembled to the frame case 22 using a plurality of bolts 32 and nuts 33. When assembling the yoke 24 to the frame case 22 using a plurality of bolts 32 and nuts 33, a plurality of through holes 22b are formed in the frame case 22. Assemble the yoke 24 to the plurality of bolts 32 to assemble the yoke 24 using the plurality of bolts 32 and nuts 33 to the plurality of through holes 22b formed in the frame case 22. do.

Thereafter, the plurality of bolts 32 pass through the plurality of through holes 22b formed in the frame case 22. When the bolt 32 passes through the plurality of through holes 22b formed in the frame case 22, the yoke 24 and the frame case 22 are tightly assembled using the nut 33.

As described above, the second armature coil unit is wound directly on the yoke composed of a plurality of yoke pieces, and when the second armature coil unit is wound, the yoke is directly assembled to the frame case to facilitate assembly of the second armature coil unit. It is possible to more firmly assemble the second armature coil unit, and by assembling the yoke directly to the frame case it is possible to minimize the assembly space of the rotary motion region.

As described above, in the present invention, the assembly of the second armature coil unit is performed by directly winding the second armature coil unit yoke in the linear and linear linear motor by using pins, bolts, and nuts on the frame case. The second armature coil unit can be easily assembled, more firmly, and the yoke is directly assembled to the frame case, thereby providing an effect of minimizing the assembly space of the rotational movement area.

Claims (7)

In a linear motor that performs rotational and linear motion in one axis, A shaft assembled at an outer circumferential surface by being spaced apart at a predetermined interval so that a neutral region is formed between the first permanent magnet portion assembled in the linear motion region and the second permanent magnet portion assembled in the rotational movement region; A frame case configured to be assembled inward with the first armature coil part at a position corresponding to the first permanent magnet part assembled on an outer circumferential surface of the shaft, and inserted into the neutral region inwardly; And a yoke in which a second armature coil part is assembled at a position corresponding to the second permanent magnet part assembled to one side of the frame case and assembled to an outer circumferential surface of the shaft. The linear motor of claim 1, wherein a length of the yoke is provided to be proportional to a length of a second permanent magnet formed on an outer circumferential surface of the shaft. The linear and linear linear motor of claim 1, wherein the yoke is composed of a plurality of yoke pieces each having a plurality of through grooves. 4. The linear motor of claim 3, wherein a plurality of coil winding members are formed to wind the coil inward so that the second armature coil part is assembled. The frame case according to claim 1 or 2, wherein a plurality of yoke pieces having a plurality of through-holes assembled on one side of the frame case are assembled through the yoke pieces, and a plurality of pins having a screw thread formed at one end of the frame case are used. Rotary and linear motion type linear motor, characterized in that a plurality of screw grooves are formed in the frame case to assemble the yoke on one side. The yoke is assembled to one side of the frame case by using a bolt and a nut after assembling through a plurality of yoke pieces having a plurality of through holes assembled to one side of the frame case. Rotating and linear motion linear motor, characterized in that the through-hole is formed in the frame case. The linear motor of claim 1, wherein a corrosion resistant material is coated to a predetermined thickness to have environmental resistance on the outer circumferential surface of the frame case and the outer circumferential surface of the yoke assembled to one side of the frame case. .