CN215817794U - High-precision motor shaft rotating structure - Google Patents

Abstract

The utility model discloses a high-precision motor shaft rotating structure which comprises a first motor shaft, a second motor shaft and a main motor shaft, wherein the first motor shaft is positioned at the rear end of the main motor shaft, the main motor shaft is positioned at the rear end of the second motor shaft, the first motor shaft and the main motor shaft as well as the main motor shaft and the second motor shaft are fixedly connected, limiting discs are fixedly sleeved on the front side of the outer surface of the first motor shaft and the rear side of the outer surface of the second motor shaft, a plurality of mounting holes distributed at equal intervals are formed in the outer surfaces of the limiting discs, and limiting rings are fixedly mounted in the middle of the outer surface of the first motor shaft and the middle of the outer surface of the second motor shaft. According to the high-precision motor shaft rotating structure, the fixed installation between the rotor and the main motor shaft is realized, the stable operation of the motor shaft during rotation is ensured, and the high-precision rotating operation is realized; the heat absorption operation can be realized, the continuous high-temperature operation of the motor shaft is avoided, and the service life of the motor shaft is prolonged.

Description

High-precision motor shaft rotating structure

Technical Field

The utility model relates to the technical field of motors, in particular to a high-precision motor shaft rotating structure.

Background

The motor is represented by letter M in the circuit, and its main function is to generate driving torque as the power source of electrical appliances or various machines, and the generator is represented by letter G in the circuit, and its main function is to convert mechanical energy into electric energy. The motor is often used to utilize the motor shaft to rotate the operation in the use, and current rotating structure with motor shaft often has following problem in the use: 1. the existing rotating structure is very easy to shake during rotating operation, and the stability of the rotating operation is difficult to ensure; 2. the existing rotating structure is often accompanied with the generation of a large amount of heat energy in long-term rotating operation, and the service life of the rotating structure is often influenced by the high-temperature continuous operation of the rotating structure.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a high-precision motor shaft rotating structure which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a high-accuracy motor shaft rotating-structure, includes a motor shaft, No. two motor shafts and main motor shaft, a motor shaft is located main motor shaft rear end, main motor shaft is located No. two motor shaft rear ends, equal fixed connection between a motor shaft and the main motor shaft and between main motor shaft and No. two motor shafts, No. one motor shaft surface front side and No. two motor shaft surface rear sides are all fixed and have been cup jointed spacing dish, a plurality of equidistant mounting holes that distribute have all been opened to spacing dish surface, No. one motor shaft surface middle part and No. two motor shaft surface middle parts all fixed mounting have the spacing ring, all be provided with the bearing spare between spacing dish and the spacing ring, the bearing spare activity respectively cup joints in a motor shaft surface and No. two motor shaft surfaces, No. two motor shaft front ends are provided with the setting element.

Preferably, the main motor shaft comprises a heat absorbing member, a motor shaft body is fixedly sleeved on the outer surface of the heat absorbing member, a plurality of spline grooves distributed at equal intervals are formed in the outer surface of the motor shaft body, and a rotor is jointly arranged on the outer surfaces of the spline grooves.

Preferably, the heat absorbing member comprises a heat absorbing shaft, a plurality of groups of heat conducting strips are fixedly mounted on the outer surface of the heat absorbing shaft, the number of the heat conducting strips in each group is four, and a heat conducting ring is fixedly connected to one side, far away from the heat absorbing shaft, of the outer surface of each group of the heat conducting strips.

Preferably, the outer surface of each heat conduction ring is fixedly connected with the inner wall of the motor shaft body, each heat conduction ring is of a circular ring structure, and the front end of the motor shaft body and the rear end of the heat absorbing part are fixedly connected with the front end of the first motor shaft and the rear end of the second motor shaft respectively.

Preferably, the setting element includes the mount pad, the mount pad is opened along the circumferencial direction has a plurality of connecting holes, mount pad rear end middle part fixed mounting has the reference column, reference column left end fixed mounting has the location head.

Preferably, the front end of the second motor shaft is provided with a positioning hole, the positioning hole is respectively matched with the positioning head and the positioning column and movably inserted, and the mounting seat is of a disc-shaped structure.

Compared with the prior art, the utility model has the following beneficial effects:

(1) according to the utility model, the spline groove and the inner side of the rotor can be clamped through the arrangement of the limiting disc, the limiting ring and the spline groove, the rotor and the mounting hole in the limiting disc are penetrated through by the fastening screw, the fixed mounting between the rotor and the main motor shaft is realized, the stable operation of the motor shaft during rotation is ensured, and the high-precision rotation operation is realized.

(2) According to the utility model, the heat absorbing part is arranged on the motor shaft body, the heat absorbing part is matched with the spline groove on the motor shaft body to realize the rapid transmission of the heat energy of the rotor, and the heat energy is finally and rapidly transmitted to the heat absorbing shaft on the heat absorbing part through the spline groove and the motor shaft body to realize heat absorbing operation, so that the continuous high-temperature operation of the motor shaft is avoided, and the service life of the motor shaft is prolonged.

Drawings

Fig. 1 is a schematic view of the overall structure of a high-precision motor shaft rotation structure according to the present invention;

fig. 2 is a longitudinal sectional view of a main motor shaft of a high precision motor shaft rotating structure of the present invention;

FIG. 3 is a schematic view of a heat absorbing member of a shaft rotation structure of a high precision motor according to the present invention;

fig. 4 is a schematic structural diagram of a positioning member of a high-precision motor shaft rotation structure according to the present invention.

In the figure: 1. a first motor shaft; 2. a second motor shaft; 3. a main motor shaft; 4. a positioning member; 5. a limiting disc; 6. mounting holes; 7. a limiting ring; 8. a bearing member; 31. a motor shaft body; 32. a heat absorbing member; 33. a spline groove; 321. a heat-absorbing shaft; 322. a heat conducting strip; 323. a heat conducting ring; 41. a mounting seat; 42. connecting holes; 43. a positioning column; 44. and (6) positioning the head.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the technical solution provided in this embodiment is as follows:

a high-precision motor shaft rotating structure comprises a first motor shaft 1, no. two motor shaft 2 and main motor shaft 3, No. one motor shaft 1 is located main motor shaft 3 rear end, main motor shaft 3 is located No. two motor shaft 2 rear ends, equal fixed connection between No. one motor shaft 1 and the main motor shaft 3 and between main motor shaft 3 and No. two motor shaft 2, No. one motor shaft 1 surface front side and No. two motor shaft 2 surface rear sides all are fixed and have been cup jointed spacing dish 5, the mounting hole 6 that has a plurality of equidistant distributions is all opened to spacing dish 5 surface, No. one motor shaft 1 surface middle part and No. two motor shaft 2 surface middle parts all fixed mounting have spacing ring 7, all be provided with bearing spare 8 between spacing dish 5 and the spacing ring 7, bearing spare 8 activity respectively cup joints in No. one motor shaft 1 surface and No. two motor shaft 2 surfaces, No. two motor shaft 2 front ends are provided with setting element 4.

Specifically, referring to fig. 2 and 3, the main motor shaft 3 includes a heat absorbing member 32, a motor shaft body 31 is fixedly sleeved on an outer surface of the heat absorbing member 32, a plurality of spline grooves 33 are formed on an outer surface of the motor shaft body 31 and are distributed at equal intervals, and a rotor is arranged on outer surfaces of the spline grooves 33; the heat absorbing member 32 comprises a heat absorbing shaft 321, a plurality of groups of heat conducting strips 322 are fixedly arranged on the outer surface of the heat absorbing shaft 321, the number of each group of heat conducting strips 322 is four, and a heat conducting ring 323 is fixedly connected on one side, far away from the heat absorbing shaft 321, of the outer surface of each group of heat conducting strips 322; the outer surface of the heat conduction ring 323 is fixedly connected with the inner wall of the motor shaft body 31, the heat conduction ring 323 is of a circular ring structure, and the front end of the motor shaft body 31 and the rear end of the heat absorbing part 32 are fixedly connected with the front end of the first motor shaft 1 and the rear end of the second motor shaft 2 respectively.

In the specific embodiment of the present invention, the heat absorbing member 32 cooperates with the spline groove 33 on the motor shaft body 31 to realize rapid transfer of heat energy of the rotor, and the heat energy is finally transferred to the heat absorbing shaft 321 on the heat absorbing member 32 through the spline groove 33 and the motor shaft body 31 to realize heat absorbing operation.

Specifically, referring to fig. 4, the positioning element 4 includes an installation base 41, the installation base 41 is provided with a plurality of connection holes 42 along a circumferential direction, a positioning column 43 is fixedly installed in the middle of the rear end of the installation base 41, and a positioning head 44 is fixedly installed at the left end of the positioning column 43; the front end of the second motor shaft 2 is provided with a positioning hole which is respectively matched with the positioning head 44 and the positioning column 43 and movably inserted, and the mounting seat 41 is of a disc-shaped structure.

In the embodiment of the present invention, the positioning hole formed on the second motor shaft 2 is matched with the positioning column 43 and the positioning head 44 on the positioning member 4, so as to further ensure the rotational stability of the motor shaft.

It should be noted that the present invention is a high precision motor shaft rotating structure, the main motor shaft 3 of the motor shaft rotating structure is provided with a plurality of spline grooves 33, and the spline grooves 33 are clamped with the inner side of the rotor, and the rotor is penetrated through the mounting hole 6 on the limiting disc 5 by the fastening screw, so as to realize the fixed mounting between the rotor and the main motor shaft 3, and ensure the stable operation when the motor shaft rotates, at the same time, the positioning hole provided on the second motor shaft 2 is matched with the positioning column 43 and the positioning head 44 on the positioning piece 4, so as to further ensure the rotation stability of the motor shaft, the motor shaft body 31 is provided with the heat absorbing piece 32 inside, the heat absorbing piece 32 is matched with the spline groove 33 on the motor shaft body 31 to realize the rapid transmission of the heat energy of the rotor, the heat energy is finally transmitted to the heat absorbing shaft 321 on the heat absorbing piece 32 through the spline groove 33 and the motor shaft body 31, so as to realize the heat absorbing operation, avoiding the continuous high-temperature operation of the motor shaft.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a high-accuracy motor shaft revolution mechanic, includes a motor shaft (1), No. two motor shafts (2) and main motor shaft (3), its characterized in that: the first motor shaft (1) is positioned at the rear end of the main motor shaft (3), the main motor shaft (3) is positioned at the rear end of the second motor shaft (2), the first motor shaft (1) and the main motor shaft (3) and the second motor shaft (2) are fixedly connected, the front side of the outer surface of the first motor shaft (1) and the rear side of the outer surface of the second motor shaft (2) are fixedly sleeved with the limiting discs (5), the outer surface of each limiting disc (5) is provided with a plurality of mounting holes (6) which are distributed at equal intervals, the middle parts of the outer surfaces of the first motor shaft (1) and the second motor shaft (2) are respectively and fixedly provided with the limiting rings (7), bearing pieces (8) are arranged between the limiting discs (5) and the limiting rings (7), and the bearing pieces (8) are respectively and movably sleeved on the outer surfaces of the first motor shaft (1) and the second motor shaft (2), and a positioning piece (4) is arranged at the front end of the second motor shaft (2).

2. A high-precision motor shaft turning structure as defined in claim 1, wherein: the main motor shaft (3) comprises a heat absorbing piece (32), a motor shaft body (31) is fixedly sleeved on the outer surface of the heat absorbing piece (32), a plurality of spline grooves (33) distributed at equal intervals are formed in the outer surface of the motor shaft body (31), and a rotor is arranged on the outer surface of the spline grooves (33) together.

3. A high-precision motor shaft turning structure as defined in claim 2, wherein: the heat absorbing piece (32) comprises a heat absorbing shaft (321), a plurality of groups of heat conducting strips (322) are fixedly mounted on the outer surface of the heat absorbing shaft (321), the number of the heat conducting strips (322) in each group is four, and a heat conducting ring (323) is fixedly connected to one side, far away from the heat absorbing shaft (321), of the outer surface of each group of the heat conducting strips (322).

4. A high-precision motor shaft turning structure as defined in claim 3, wherein: the outer surface of the heat conduction ring (323) is fixedly connected with the inner wall of the motor shaft body (31), the heat conduction ring (323) is of a circular ring structure, and the front end of the motor shaft body (31) and the rear end of the heat absorbing piece (32) are fixedly connected with the front end of the first motor shaft (1) and the rear end of the second motor shaft (2) respectively.

5. A high-precision motor shaft turning structure as defined in claim 1, wherein: the positioning piece (4) comprises a mounting seat (41), a plurality of connecting holes (42) are formed in the mounting seat (41) in the circumferential direction, a positioning column (43) is fixedly mounted in the middle of the rear end of the mounting seat (41), and a positioning head (44) is fixedly mounted at the left end of the positioning column (43).

6. A high-precision motor shaft turning structure as defined in claim 5, wherein: the front end of the second motor shaft (2) is provided with a positioning hole which is respectively matched with the positioning head (44) and the positioning column (43) and movably inserted, and the mounting seat (41) is of a disc-shaped structure.

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