KR20180002795U - Bracket integrated hollow motor - Google Patents

Abstract

The present invention discloses a bracket integral hollow motor including a nut body, a first block, a bracket, and a hollow motor. At this time, the nut body is disassemblably installed in the first block and accommodates the ball screw, and the first block is detachably installed at one end of the hollow driving shaft of the hollow motor, And may be disposed between the first block and the hollow motor. According to the above-described arrangement structure of the present invention, the user can easily replace the different nut bodies and the corresponding ball screws as needed, and can easily replace the different brackets.

Description

Brake Integrated Hollow Motor {BRACKET INTEGRATED HOLLOW MOTOR}

The present invention relates to a motor, and more particularly to a bracket integral hollow motor.

In order for various machine tools to operate normally, a hollow motor plays an important role. In recent years, the hollow motor has been mainly used as a power transmission device in various machine tools.

Conventionally, the hollow motor is a driving device that linearly reciprocates and rotates in a single axial direction. The rotor of the hollow motor is driven through the stator of the hollow motor, the rotor is connected to the screw, and the motor body can linearly reciprocate and rotate the corresponding screw.

As a related patent, Patent No. I373577 discloses a conventional hollow motor device. The above-described conventional hollow motor has high strength and good stopping reactivity, and at the same time has good maintenance characteristics and adhesion, but has the following problems.

1. A hollow drive shaft of a conventional hollow motor device has a nut member, a bearing portion provided on a portion corresponding to the nut member, and a winding portion provided on the bearing portion. In the case of changing the screw, it is necessary not only to replace a plurality of corresponding members but also to design a plurality of members having different dimension specifications. Therefore, the corresponding cost can be increased.

2. The cover of the conventional hollow motor device comprises an end cap portion constituting the end portion of the cover; A bearing receiving portion for receiving the bearing portion; A flange portion as a means for installing the apparatus; And a winding accommodating portion for accommodating the winding portion. When the fixing method of the hollow motor is changed, the member must be changed in accordance with the original cover configuration. Therefore, the production cost can be increased.

The inventor of this invention has been concentrating on the defects of the present technology by concentrating on the researches for many years and designed and improved a new one-piece bracket integrated hollow motor and also increased the possibility of industrial use.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to improve the problems of the prior art by providing a bracket integral hollow motor.

According to the object of the present invention, there is provided a bracket integral hollow motor including a nut body, a first block, a bracket, and a hollow motor. The nut body has a cylindrical shape with a plate member at an intermediate position, a plurality of first holes are formed in the plate member, and a screw hole capable of receiving the screw is formed at the central portion of the nut body. The first block having a hollow cylindrical shape is provided adjacent to the nut body. A plurality of first holes are formed on one surface of the first block and a plurality of second holes are formed on the surface of the other block, and the plurality of first holes correspond to the plurality of first holes. The bracket is provided adjacent to the first block having a hollow cylindrical shape, and a plurality of third through holes are formed on an end surface of the bracket. The hollow motor is relatively installed adjacent to the bracket, and a plurality of second holes corresponding to the second through holes are formed on one surface thereof. A plurality of third holes corresponding to the plurality of third through holes are formed in the cover of the hollow motor. At this time, the first block is installed adjacent to the nut body relatively, and is installed between the nut body and the bracket. The bracket is installed between the first block and the hollow motor. The bracket and the hollow motor cover are interconnected through a plurality of third holes and a plurality of third holes. The nut body and the first block are interconnected through a plurality of first holes and a plurality of first holes. The hollow drive shaft and the first block are interconnected through a plurality of second holes and a plurality of second holes. At this time, the nut body, the first block, and the hollow drive shaft rotate relative to the bracket and the hollow motor.

Preferably, the bracket is detachably installed between the first block and the hollow motor, and the bracket of the corresponding type can be changed according to a necessary combination.

Preferably, the bracket has a generally tubular structure, and on its outer circumferential surface, there are two side plates extending outwardly opposite to each other through a virtual axis, and at least one locking hole is formed in each side plate.

Preferably, the bracket has a generally tubular structure, and on the outer circumferential surface thereof, there are two side plates extending outwardly opposite to the tangential line, and at least one locking hole is formed in each side plate.

Preferably, the bracket has a generally tubular structure, and one side plate extending around the outer circumferential surface of the tubular structure is formed on the outer circumferential surface on one side in the axial direction, and at least one locking hole is formed in the side plate .

Preferably, the bracket is a generally tubular structure and at least one post extends outwardly in diameter on the outer circumferential surface.

The bracket integral hollow motor of this invention has the following advantages:

(1) By providing the nut structure and the first block on the outside of the hollow motor, the convenience of screw replacement is improved. Further, by changing the screw and the first block of different sizes as necessary, the structure of the hollow motor of the present invention can be changed without changing.

 (2) By combining the case structure of the fixed hollow motor and the parts of the stable shaft to the bracket of the present invention, it is not necessary to replace all of the hollow motor according to the use situation, and the unit is less replaced, .

According to the embodiment of the present invention, the structure of the bracket integral hollow motor of the present invention does not need to design a member having a different dimension standard when the type of the screw and the nut member are to be changed. Further, when changing the fixing method of the hollow motor, it is not necessary to change the member constituting the original hollow motor cover, and it is not necessary to change the bearing accommodating portion again according to the fixing method of the new structure. Therefore, according to the embodiment of the present invention, there is an advantage that the production cost is reduced. Further, the structure of the bracket integral hollow motor of the present invention allows the user to easily replace the ball nut unit and the bracket.

1 is a perspective view schematically showing a bracket integral hollow motor according to the present invention.
2 is an exploded perspective view showing a bracket integral hollow motor according to the present invention.
FIG. 3 is an exploded perspective view showing a nut body of the bracket-integrated hollow motor according to the present invention and a corresponding ball screw.
4 is a schematic view showing a bracket of a bracket integral hollow motor according to a second embodiment of the present invention.
5 is a schematic view showing a bracket of a bracket integral hollow motor according to a third embodiment of the present invention.
6 is a schematic view showing a bracket of a bracket integral hollow motor according to a fourth embodiment of the present invention.

In order to understand the technical characteristics, contents, advantages and effects to be achieved of the present invention, the following detailed description will be given with reference to the embodiments together with the drawings. At this time, the drawings used are merely an aid to the gist of the specification, and are not actual examples and configurations after the implementation of the gist of the invention. It is therefore to be understood that the appended claims are not limited in scope by what is contemplated by the appended claims.

When an element is referred to as being "installed" to another element, it may be fixed to the other element and may be releasably secured to the other element. When an element is referred to as being "fixed" or "installed" to another element, it may be directly on the other element, while another element may be present in the middle. When an element is referred to as being "connected" to another element, it may be directly connected to the other element and at the same time another element may be present in the middle.

In addition, words expressing directions of up, down, left, and right in the embodiment of the present invention may not be regarded as specific limitations because they may be related to each other or refer to the normal use state of the product.

Hereinafter, a bracket integral hollow motor according to an embodiment of the present invention will be described with reference to the related drawings. In the following embodiments, the same elements are denoted by the same reference numerals.

1 and 2 are a schematic perspective view and an exploded perspective view showing a bracket integral hollow motor according to the present invention, respectively.

Referring to FIGS. 1 and 2, the bracket integrated hollow motor of the present invention may include a nut body 110, a first block 210, a bracket 310, and a hollow motor 410. The nut main body 110 is a columnar body having a plate member 111 at an intermediate position and a plurality of first through holes 112 are formed in the plate member 111. A portion of the nut body 110, A screw hole 113 can be formed. That is, the nut body 110 can be a ball nut, and thus can accommodate the ball screw. The first block 210 has a hollow cylindrical shape and a plurality of first holes 211 are formed on one end surface of the first block 210 and a plurality of second through holes 211 are formed on the other end surface of the first block 210. [ (212) may be formed. At this time, the plurality of first holes 211 may correspond to the plurality of first through holes 112. Accordingly, the first block 210 may be installed adjacent to the nut body 110 through the first hole 211, the first through hole 112, and the corresponding screw or bolt. That is, the nut body 110 may be installed in the first block 210.

The bracket 310 may have various types of shapes and may be installed at a predetermined different position. The bracket 310 is a hollow cylinder and is disposed adjacent to the first block 210. A plurality of third through holes 311 may be formed on the end surface of the bracket 310. [ The hollow motor 410 has a hollow driving shaft 411 and a plurality of second through holes 412 may be formed on the end surface of the hollow driving shaft 411 corresponding to the plurality of second through holes 212. A plurality of third holes 413 corresponding to the plurality of third through holes 311 may be formed in the cover of the hollow motor 410. Accordingly, the bracket 310 can be installed adjacent to the hollow motor 410 through the third hole 413 and the third through hole 311 and the corresponding screw or bolt. That is, the bracket 310 may be installed in the hollow motor 410.

Specifically, the bracket 310 has a generally circular tubular structure, and the circular hollow portion of the inner circumferential surface of the bracket 310 can receive one or more bearings, and the received bearings can be fixed to the outer circumferential surface of the hollow drive shaft 411. When the hollow driving shaft 411 rotates, the hollow driving shaft 411 is not eccentric from the shaft center due to the arrangement structure of the bracket 310, so that stability can be increased during rotation of the hollow motor.

FIG. 3 is an exploded perspective view showing a nut body of the bracket-integrated hollow motor according to the present invention and a corresponding ball screw.

Referring to FIG. 3, the nut body 110 is detachable and installed in the first block 210. Therefore, after the related worker unscrews the screw or bolt that is locked in the first through hole 112 and the first hole 211, the nut body 110 and the first block 210 can be separated from each other. In addition, the ball screw can be received in the screw hole 113 of the nut body 110. The ball screw can be withdrawn from the inside of the hollow motor 410 and the related operator can change the combination of the nut body 110 and the screw of the corresponding type according to the required combination as would be the case if a ball screw having a different circular diameter is required .

In the bracket-integrated hollow motor according to the present invention, the components of the hollow drive shaft 411 and the nut are coupled on the first block 210 according to the above-described structure, so that they can be changed into a single accessory. In addition, since the hole fixing method of the first block 210 is selected, the tapping can be performed immediately according to the request of the customer, so that the construction time can be reduced.

The bracket 310 is installed between the first block 210 and the hollow motor 410 in a disassemblable manner and can be adapted to change the bracket 310 of that form according to the required combination, have. Hereinafter, brackets 310 of different types will be described in detail.

Referring again to FIG. 1, the illustrated bracket integrated hollow motor is the bracket integral hollow motor according to the first embodiment.

The bracket 310 has a generally circular tubular structure, and on the outer circumferential surface of the circular tubular structure, there are two side plates 312 extending outwardly opposite to each other through a virtual axis, and each side plate 312 has at least one locking hole 313 may be formed. The bracket 310 and the hollow motor as a whole can be fixed at predetermined positions through the lock hole 313. [

4 is a schematic view showing a bracket of a bracket integral hollow motor according to a second embodiment of the present invention.

Referring to FIG. 4 together with FIG. 2, the bracket 310 is a generally tubular structure having two side plates 312 extending outwardly tangentially from the outer circumferential surface of the circular tubular structure, At least one locking hole 313 may be formed. The bracket 310 and the hollow motor as a whole can be fixed at predetermined positions through the lock hole 313. [

5 is a schematic view showing a bracket of a bracket integral hollow motor according to a third embodiment of the present invention.

Referring to FIG. 5 together with FIG. 2, the bracket 310 has a generally tubular structure, and one side plate that extends around the outer circumferential surface of the tubular structure is extended to the outer circumferential surface on one side in the axial direction of the circular tubular structure, At least one locking hole 313 may be formed in the side plate.

6 is a schematic view showing a bracket of a bracket integral hollow motor according to a fourth embodiment of the present invention.

Referring to FIG. 6, with reference to FIG. 2, bracket 310 is generally a tubular tubular structure, and at least one post 314 may extend beyond the diameter of the outer circumferential surface of the tubular tubular structure.

As described above, the structure of the bracket-integrated hollow motor of the present invention does not need to design members having different dimension specifications when the types of screws and the nut members are to be changed. Further, when changing the fixing method of the hollow motor, it is not necessary to change the member constituting the original hollow motor cover, and it is not necessary to change the bearing accommodating portion again according to the fixing method of the new structure. Therefore, the production cost is reduced. Further, the structure of the bracket integral hollow motor of the present invention allows the user to easily replace the ball nut unit and the bracket. The foregoing description is by way of example only and not by way of limitation. Modifications and alterations made within the scope of the present invention are within the scope of the present invention.

110: nut body
111: plate member
112: First through hole
113: screw hole
210: first block
211: first hole
212: second through hole
310: Bracket
311: Third passage
312: shroud
313: Locking hole
314: Post
410: hollow motor
411: Hollow drive shaft
412: Second hole
413: Third hole

Claims (6)

A nut main body in which a plurality of first through holes are formed on the plate member, and a screw hole capable of receiving a screw is formed in an axial center portion of the nut main body;
A first block adjacent to the nut body and having a plurality of first holes corresponding to the plurality of first through holes at one surface thereof and a plurality of second through holes formed at the other end surface thereof;
A bracket that is provided adjacent to the first block and has a plurality of third through-holes formed in the end surface thereof and has a hollow cylindrical shape; And
A hollow drive shaft provided adjacent to the bracket and having a plurality of second holes corresponding to the plurality of second through holes on an end surface thereof and a plurality of third holes corresponding to the plurality of third through holes And a hollow motor including a cover to be coupled to the motor,
Wherein the nut body is detachably attached to the first block so that the nut body of the corresponding type and the bracket combined with the screw can be changed according to necessity of a different combination. The method according to claim 1,
Wherein the bracket is detachably mounted between the first block and the hollow motor, and the bracket of the corresponding type can be changed according to the necessity of a different combination. The method according to claim 1,
Wherein the bracket has a generally circular tubular structure and two outer side plates are provided on the outer peripheral surface of the circular tubular structure so as to extend outwardly opposite to each other via a virtual axis, Bracket integral hollow motor. The method according to claim 1,
Wherein the bracket has a generally tubular structure and has two side plates extending on the outer circumferential surface of the tubular tubular structure so as to face outwardly of the tangential line and at least one locking hole is formed in each of the two side plates. Hollow motor. The method according to claim 1,
The bracket has a generally tubular structure, and one side plate extending in the axial direction on one side in the axial direction of the circular tubular structure extends the outer peripheral surface of the tubular structure, and at least one locking hole is formed in the side plate Features a bracket integral hollow motor. The method according to claim 1,
Wherein said bracket has a generally tubular structure and at least one post extending outwardly in diameter on the outer circumferential surface of said tubular tubular structure.

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