CN219605804U - Main shaft mechanism with coaxial rotor - Google Patents

Main shaft mechanism with coaxial rotor Download PDF

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Publication number
CN219605804U
CN219605804U CN202320240992.XU CN202320240992U CN219605804U CN 219605804 U CN219605804 U CN 219605804U CN 202320240992 U CN202320240992 U CN 202320240992U CN 219605804 U CN219605804 U CN 219605804U
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China
Prior art keywords
section
gland
rotor
spindle
contracted
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CN202320240992.XU
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Chinese (zh)
Inventor
陈伟
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Changxing County Hongyuan Spindle Technology Co ltd
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Changxing County Hongyuan Spindle Technology Co ltd
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Priority to CN202320240992.XU priority Critical patent/CN219605804U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Spinning Or Twisting Of Yarns (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

The utility model provides a spindle mechanism with a coaxial rotor, which comprises a mandrel, wherein one end of the mandrel is contracted to form a conical rear guide section, and a stepped front gland section is arranged between the rear guide section and the mandrel; the end part of the outer end of the rear guide section is contracted to form an installation section, the other end of the mandrel is contracted to form a rear gland section, the outer end of the rear gland section is gradually contracted to form a conical rotor installation section, a rotor is installed on the rotor installation section, a concave key slot is formed in the surface of the rotor installation section, and the end part of the outer end of the rotor installation section is contracted to form a connecting section; the spindle is provided with a spindle sleeve in a sleeved mode on the outer peripheral surface of the spindle, a front gland is sleeved on the front gland section and is abutted against one end of the spindle sleeve, a rear gland is sleeved on the rear gland section and is abutted against the other end of the spindle sleeve. The structure is reasonable after the scheme is adopted, the using effect is good, and the coaxiality of the rotor after the rotor is installed is good.

Description

Main shaft mechanism with coaxial rotor
Technical Field
The utility model relates to the technical field of motors, in particular to a spindle mechanism with a coaxial rotor.
Background
Any motor product, stator and rotor concentric can guarantee the normal operation of motor, otherwise can appear motor air gap uneven because of both's non-concentricity, low frequency electromagnetic sound can appear sweeping the bore problem when serious, except that the axiality requirement of stator and rotor, rotor self part should also guarantee axiality requirement, otherwise can also appear the problem that leads to because of each other non-concentricity, say the axiality requirement of pivot and iron core, wire wound rotor and pivot, bearing and coaxial requirement etc. to reach axiality control requirement, on the one hand, carry out reasonable choice in the aspect of the cooperation tolerance of relevant spare part, on the other hand just the processing technology requirement of dabber itself is controlled, especially for vertical round bench grinding machine, be split type structure between traditional dabber and the rotor, its axis body is straight axle type structure, after the motor is used for a period of time, the clearance can be produced between rotor and the axis body, under the effect of centrifugal force, the clearance can be increasingly big, the axiality of influence motor can appear sweeping the bore when serious.
Disclosure of Invention
The utility model aims to provide a spindle mechanism with a coaxial rotor, which has reasonable structure and good coaxiality.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: a spindle mechanism with coaxial rotor, it includes the dabber, one end of dabber contracts and forms the back guide section of the toper, there is a ladder-like front gland section between spindle and the back guide section; the end part of the outer end of the rear guide section is contracted to form an installation section, the other end of the mandrel is contracted to form a rear gland section, the outer end of the rear gland section is gradually contracted to form a conical rotor installation section, a rotor is installed on the rotor installation section, a concave key slot is formed in the surface of the rotor installation section, and the end part of the outer end of the rotor installation section is contracted to form a connecting section; the spindle is provided with a spindle sleeve in a sleeved mode on the outer peripheral surface of the spindle, a front gland is sleeved on the front gland section and is abutted against one end of the spindle sleeve, a rear gland is sleeved on the rear gland section and is abutted against the other end of the spindle sleeve.
The length of the main shaft sleeve is larger than that of the mandrel, a raised embedding step is arranged at the center of the rear gland in the direction of the main shaft sleeve, and the embedding step is sleeved in the main shaft sleeve.
An oil storage chamber is reserved between the inner cavity wall of the main shaft sleeve and the peripheral surface of the mandrel, an overflow hole is formed in the main shaft sleeve on the outer side of the oil storage chamber along the axial direction, the oil storage chamber is connected with the overflow hole, the overflow hole penetrates through one side of the main shaft sleeve, and a gland oil hole connected with the overflow hole is formed in the front gland or the rear gland.
And an oil locking ring is sleeved on the outer peripheral surface of the mandrel, and the outer peripheral surface of the oil locking ring is contacted with the inner cavity wall of the spindle sleeve.
The end part of the outer end of the front gland is contracted to form a sealing step, and the peripheral surface of the sealing step is concavely provided with a sealing groove.
The end part of the main shaft sleeve is connected and locked with the front gland and the rear gland through corresponding gland bolts.
After the scheme is adopted, the key slot is arranged at the installation position of the rotor and is used for connecting and positioning with the rotor, the rotor installation section adopts a cone shape, so that the rotor is conveniently and rapidly installed, an oil storage chamber in a main shaft sleeve is used for lubricating a mandrel, an overflow hole is used for overflow buffering, the high temperature generated by the mandrel during rotation is prevented from expanding lubricating oil, an oil locking ring is used for segmenting the oil storage chamber, the supporting performance of the main shaft sleeve is improved, and after the shaft body is processed, the rotor and the shaft body are integrated by installing the rotor on the shaft body part (the rotor installation section), so that the requirement for installing auxiliary parts is reduced, and the concentricity of the rotation of the main shaft is effectively improved; the spindle is in a vertical mode when in use, the rotor mounting section is in a conical shape with a small upper part and a large lower part, namely, a gap is formed between the rotor and the shaft (the rotor mounting section) in the use process, the rotor descends under the dead weight and is always tightly sleeved with the shaft (the rotor mounting section), so that concentricity and coaxiality are realized; the structure is reasonable after the scheme is adopted, the using effect is good, and the coaxiality of the rotor after the rotor is installed is good.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
FIG. 2 is a schematic diagram of the combination of the present utility model.
Detailed Description
The utility model is further described below with reference to all drawings, in which preferred embodiments of the utility model are: referring to fig. 1 and 2, a spindle mechanism with a coaxial rotor according to the present embodiment includes a spindle 1, one end of the spindle 1 is contracted to form a tapered rear guide section 2, and a stepped front gland section 4 is disposed between the rear guide section 2 and the spindle 1; the end part of the outer end of the rear guide section 2 is contracted to form an installation section 3, the other end of the mandrel 1 is contracted to form a rear gland section 5, the outer end of the rear gland section 5 is gradually contracted to form a conical rotor installation section 6, a rotor is installed on the rotor installation section 6, a concave key slot is formed in the surface of the rotor installation section 6, and the end part of the outer end of the rotor installation section 6 is contracted to form a connecting section 7; the outer peripheral surface of the mandrel 1 is sleeved with a spindle sleeve 8, a front gland 9 is sleeved on the front gland section 4, the front gland 9 is abutted against one end of the spindle sleeve 8, a rear gland 10 is sleeved on the rear gland section 5, the rear gland 10 is abutted against the other end of the spindle sleeve 8, the length of the spindle sleeve 8 is greater than that of the mandrel 1, a raised jogged step 11 is arranged at the center of the rear gland 10 in the direction of the spindle sleeve 8, and the jogged step 11 is sleeved in the spindle sleeve 8; the end part of the main shaft sleeve 8 is connected and locked with the front gland 9 and the rear gland 10 through corresponding gland bolts; an oil storage chamber 14 is reserved between the inner cavity wall of the main shaft sleeve 8 and the outer peripheral surface of the mandrel 1, an overflow hole 15 is formed in the main shaft sleeve 8 on the outer side of the oil storage chamber 14 along the axial direction, the oil storage chamber 14 is connected with the overflow hole 15, the overflow hole 15 penetrates through one side of the main shaft sleeve 8, and a gland oil hole connected with the overflow hole 15 is formed in the front gland 9 or the rear gland 10; the outer peripheral surface of the mandrel 1 is sleeved with an oil locking ring 16, and the outer peripheral surface of the oil locking ring 16 is contacted with the inner cavity wall of the main shaft sleeve 8; the outer end of the front gland 9 is contracted to form a sealing step 12, and a sealing groove 13 is concavely formed on the outer peripheral surface of the sealing step 12.
After the scheme is adopted, the key slot is arranged at the installation position of the rotor and is used for being connected with the rotor for positioning, the rotor installation section adopts a cone shape, so that the rotor is conveniently and rapidly installed, an oil storage chamber in a spindle sleeve is used for lubricating a spindle, an overflow hole is used for overflow buffering, the spindle is prevented from generating high temperature to expand lubricating oil when rotating, an oil locking ring is used for segmenting the oil storage chamber, the supporting performance of the spindle sleeve is improved, and after the spindle body is processed, the rotor and the spindle body are integrated by installing the rotor on the spindle body part (the rotor installation section), so that the requirement for installing auxiliary parts is reduced, and the concentricity of the spindle rotation is effectively improved; the spindle is in a vertical mode when in use, the rotor mounting section is in a conical shape with a small upper part and a large lower part, namely, a gap is formed between the rotor and the shaft (the rotor mounting section) in the use process, the rotor descends under the dead weight and is always tightly sleeved with the shaft (the rotor mounting section), so that concentricity and coaxiality are realized; the structure is reasonable after the scheme is adopted, the using effect is good, and the coaxiality of the rotor after the rotor is installed is good.

Claims (5)

1. A spindle mechanism with coaxial rotor, comprising a spindle (1), characterized in that: one end of the mandrel (1) is contracted to form a conical rear guide section (2), and a stepped front gland section (4) is arranged between the rear guide section (2) and the mandrel (1); the end part of the outer end of the rear guide section (2) is contracted to form an installation section (3), the other end of the mandrel (1) is contracted to form a rear gland section (5), the outer end of the rear gland section (5) is gradually contracted to form a conical rotor installation section (6), a rotor is installed on the rotor installation section (6), a concave key slot is arranged on the surface of the rotor installation section (6), and the end part of the outer end of the rotor installation section (6) is contracted to form a connecting section (7); the spindle (1) is sleeved with a spindle sleeve (8), the front gland section (4) is sleeved with a front gland (9), the front gland (9) is abutted against one end of the spindle sleeve (8), the rear gland section (5) is sleeved with a rear gland (10), and the rear gland (10) is abutted against the other end of the spindle sleeve (8).
2. A spindle mechanism with coaxial rotor as set forth in claim 1 wherein: an oil storage chamber (14) is reserved between the inner cavity wall of the main shaft sleeve (8) and the outer peripheral surface of the mandrel (1), an overflow hole (15) is formed in the main shaft sleeve (8) on the outer side of the oil storage chamber (14) along the axial direction, the oil storage chamber (14) is connected with the overflow hole (15), the overflow hole (15) penetrates through one side of the main shaft sleeve (8), and a gland oil hole connected with the overflow hole (15) is formed in the front gland (9) or the rear gland (10).
3. A spindle mechanism with coaxial rotor as set forth in claim 1 wherein: an oil locking ring (16) is sleeved on the outer peripheral surface of the mandrel (1), and the outer peripheral surface of the oil locking ring (16) is in contact with the inner cavity wall of the spindle sleeve (8).
4. A spindle mechanism with coaxial rotor as set forth in claim 1 wherein: the outer end part of the front gland (9) is contracted to form a sealing step (12), and a sealing groove (13) is concavely formed on the outer peripheral surface of the sealing step (12).
5. A spindle mechanism with coaxial rotor as set forth in claim 1 wherein: the end part of the main shaft sleeve (8) is connected and locked with the front gland (9) and the rear gland (10) through corresponding gland bolts.
CN202320240992.XU 2023-02-17 2023-02-17 Main shaft mechanism with coaxial rotor Active CN219605804U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320240992.XU CN219605804U (en) 2023-02-17 2023-02-17 Main shaft mechanism with coaxial rotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320240992.XU CN219605804U (en) 2023-02-17 2023-02-17 Main shaft mechanism with coaxial rotor

Publications (1)

Publication Number Publication Date
CN219605804U true CN219605804U (en) 2023-08-29

Family

ID=87748471

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320240992.XU Active CN219605804U (en) 2023-02-17 2023-02-17 Main shaft mechanism with coaxial rotor

Country Status (1)

Country Link
CN (1) CN219605804U (en)

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