CN210254276U

CN210254276U - Mounting and connecting structure of main shaft and motor

Info

Publication number: CN210254276U
Application number: CN201920800380.5U
Authority: CN
Inventors: 李三; 马金雷; 邢喆; 满曰刚
Original assignee: Neway Cnc Equipment Suzhou Co ltd
Current assignee: Neway Cnc Equipment Suzhou Co ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-04-07
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses an installation and connection structure of a spindle and a motor, which comprises a spindle unit, a spindle box, a shaft coupling, a lower motor plate, an upper motor plate and a main motor, wherein the lower motor plate is provided with a lower motor plate lower seam allowance and a lower motor plate upper seam allowance, and the lower motor plate lower seam allowance is just opposite to the lower motor plate upper seam allowance; the upper motor plate is provided with an upper motor plate lower spigot and an upper motor plate upper spigot, and the upper motor plate lower spigot is opposite to the upper motor plate upper spigot; the main motor is provided with a main motor spigot, and the main motor spigot is attached to the upper spigot of the upper motor plate. Lower motor board and last motor board all are the regulating plate, and this scheme increases one deck regulating plate, moves the difficult point of processing to between the two-layer board, effectively improves the assembly effect. The spindle box only needs to ensure the cylindricity of the spindle mounting sleeve, ensures the verticality of the upper surface and the lower surface of the spindle box relative to the axis of the spindle mounting sleeve, releases the precision requirement and the dimensional tolerance of the motor plate mounting spigot, leaves a gap, reduces the requirement of boring, is simple and convenient to process, and reduces the processing requirement.

Description

Mounting and connecting structure of main shaft and motor

Technical Field

The utility model relates to a machine tooling field especially relates to an erection joint structure of main shaft and motor.

Background

At present, with the rapid development of society, more and more machining equipment is applied to factories, please refer to fig. 1-2, which is a mode adopted by an old structure, and includes an old spindle unit 01, an old spindle box 02, an old coupler 03, an old motor base 04 and an old main motor 05, wherein the old spindle box 02 includes an old spindle mounting sleeve 021 and an old motor plate mounting spigot 022, the old motor base 04 includes an old motor plate lower spigot 041 and an old motor plate upper spigot 042, and the main motor 05 includes an old main motor spigot 051; in order to ensure the assembly precision, the perpendicularity between the main shaft mounting surface on the old main shaft box 02 and the old main shaft mounting sleeve 021 needs to be improved, the cylindricity of the old main shaft mounting sleeve 021 needs to be ensured, the perpendicularity between the old motor base 04 mounting surface and the old main shaft mounting sleeve 021 needs to be ensured on the old main shaft box 02, and the coaxiality of the old motor plate lower spigot 041, the old motor plate upper spigot 042 and the old main shaft mounting sleeve 021 is ensured. The original structure can not ensure the coaxiality and the vibration requirements in the field assembly result, and a plurality of main shaft damage and motor damage events occur in the field of an end user.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a mounting and connecting structure of a main shaft and a motor, which can solve the problem of processing and installation.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

a mounting and connecting structure of a spindle and a motor comprises a spindle unit, a spindle box, a coupler, a lower motor plate, an upper motor plate and a main motor, wherein the upper motor plate is fixed on the lower motor plate; the spindle box comprises a spindle mounting sleeve and is provided with a motor plate mounting spigot, the spindle unit is mounted on the spindle mounting sleeve, the coupler is divided into an upper half and a lower half, and is provided with a coupler lower half outer circular surface and a coupler upper half outer circular surface; the lower motor plate is provided with a lower motor plate lower spigot and a lower motor plate upper spigot, and the lower motor plate lower spigot is opposite to the lower motor plate upper spigot; the upper motor plate is provided with an upper motor plate lower spigot and an upper motor plate upper spigot, and the upper motor plate lower spigot is opposite to the upper motor plate upper spigot; the main motor is provided with a main motor spigot, and the main motor spigot is attached to the upper motor plate spigot.

Further, the spindle unit is perpendicular to the lower motor plate.

Further, the lower motor plate is parallel to the upper motor plate.

Further, the lower motor plate is located between the upper motor plate and the spindle box.

Further, the shaft coupling is perpendicular to the lower motor plate.

Further, the spindle unit is located in the headstock.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the lower seam allowance of the upper motor plate is over against the upper seam allowance of the upper motor plate; the main motor is provided with a main motor spigot, and the main motor spigot is attached to the upper motor plate spigot. The lower motor plate and the upper motor plate are adjusting plates, one adjusting plate is added in the scheme, the processing difficulty is moved between the two layers of plates, and the assembling effect is effectively improved. The spindle box only needs to guarantee the cylindricity of the spindle mounting sleeve, guarantees the perpendicularity of the upper surface and the lower surface of the spindle box relative to the axis of the spindle mounting sleeve, releases the precision requirement and the dimensional tolerance of the motor plate mounting spigot, leaves a gap, reduces the requirement of boring, is simple and convenient to process, and reduces the processing requirement.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a cross-sectional view of an old structure;

FIG. 2 is another cross-sectional view of an old structure;

fig. 3 is a sectional view of the mounting and connecting structure of the spindle and the motor of the present invention;

fig. 4 is another sectional view of the mounting connection structure of the spindle and the motor according to the present invention.

In the figure: 01. an old spindle unit; 02. an old spindle box; 021. the old main shaft is provided with a sleeve; 022. installing a spigot on an old motor plate; 03. old shaft couplings; 04. an old motor base; 041. a lower spigot of an old motor plate; 042. an upper seam allowance of an old motor plate; 05. an old main motor; 051. a spigot of an old main motor; 1. a spindle unit; 2. a main spindle box; 21. a main shaft mounting sleeve; 22. a motor plate is provided with a seam allowance; 3. a coupling; 31. the outer circle surface of the lower half edge of the coupler; 32. the outer circle surface of the upper side of the coupler; 4. a lower motor plate; 41. a lower motor plate lower spigot; 42. an upper seam allowance of the lower motor plate; 5. an upper motor board; 51. a lower seam allowance of the upper motor plate; 52. an upper motor plate upper spigot; 6. a main motor; 61. main motor tang.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 3-4, an installation and connection structure of a spindle and a motor includes a spindle unit 1, a spindle box 2, a coupler 3, a lower motor plate 4, an upper motor plate 5, and a main motor 6, where the upper motor plate 5 is fixed to the lower motor plate 4, the lower motor plate 4 is fixed to the spindle box 2, the spindle unit 1 is fixedly connected to the main motor 6 through the coupler 3, and the main motor 6 is fixed to the upper motor plate 5; the spindle box 2 comprises a spindle mounting sleeve 21 and is provided with a motor plate mounting spigot 22, and the coupler 3 is provided with a coupler lower half outer circular surface 31 and a coupler upper half outer circular surface 32; the lower motor plate 4 is provided with a lower motor plate lower spigot 41 and a lower motor plate upper spigot 42, and the lower motor plate lower spigot 41 is over against the lower motor plate upper spigot 42; the upper motor plate 5 is provided with an upper motor plate lower spigot 51 and an upper motor plate upper spigot 52, and the upper motor plate lower spigot 51 is opposite to the upper motor plate upper spigot 52; the main motor 6 is provided with a main motor spigot 61, and the main motor spigot 61 is attached to the upper motor plate spigot 52. Lower motor board 4 with go up motor board 5 and all be the regulating plate, this scheme increases one deck regulating plate, moves the difficult point of processing to between the two-layer board, effectively improves the assembly effect. The spindle box 2 only needs to ensure the cylindricity of the spindle mounting sleeve 21, ensures the verticality of the upper surface and the lower surface of the spindle box 2 relative to the axis of the spindle mounting sleeve 21, releases the precision requirement and the dimensional tolerance of the motor plate mounting spigot 22, leaves a gap, reduces the requirement of boring, is simple and convenient to process, and reduces the processing requirement.

In the specific implementation process, the upper motor plate 5 and the lower motor plate 44 are required to be ground in a matching manner, and the grinding mode can be easily realized due to small parts. The upper motor plate spigot 52 is released from the accuracy requirements and dimensional tolerances of the main motor 6, leaving a gap. The main shaft unit is arranged on the main shaft installation sleeve, the coupler is divided into an upper half and a lower half, and the coupler is provided with a lower half outer circular surface of the coupler and an upper half outer circular surface of the coupler.

Preferably, the spindle unit 1 is perpendicular to the lower motor plate 4, the lower motor plate 4 is parallel to the upper motor plate 5, the lower motor plate 4 is located between the upper motor plate 5 and the spindle box 2, the coupler 3 is perpendicular to the lower motor plate 4, and the spindle unit 1 is located in the spindle box 2. Novel structure, design benefit, the suitability is strong, the facilitate promotion.

During specific installation, the assembly process comprises the following steps:

1. installing a main shaft, checking the self precision of the coupler, ensuring the coupler to be installed correctly, performing dynamic balance, and controlling the coupler to be within a required value;

2. installing a half coupler at one end of a main motor, checking the precision of the coupler, ensuring the coupler to be installed correctly, performing dynamic balance, and controlling the coupler to be within a required value;

3. installing a lower motor plate to a main spindle box, and correcting the corresponding position precision to reach the required precision numerical value;

4. installing a motor plate to the main motor, and correcting the corresponding position precision to reach the required precision numerical value;

5. mounting a motor and an upper motor plate on a lower motor plate on a spindle box together;

6. and carrying out integral vibration test and dynamic balance check and adjustment.

Through the effective implementation of the structure adjustment and precision vibration control method, the coaxiality of the main shaft and the motor shaft can be controlled within the required indexes at present, the effective value of the front-end vibration speed of the main shaft is controlled within the required indexes during high-speed rotation, and the main shaft and the main motor are not damaged when a client uses a machine tool of the same type within 2 years.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a mounting and connecting structure of main shaft and motor, includes main shaft unit, headstock, shaft coupling, lower motor board, goes up motor board and main motor, its characterized in that: the upper motor plate is fixed on the lower motor plate, the lower motor plate is fixed on the spindle box, the spindle unit is fixedly connected with the main motor through the coupler, and the main motor is fixed on the upper motor plate; the spindle box comprises a spindle mounting sleeve and is provided with a motor plate mounting spigot, the spindle unit is mounted on the spindle mounting sleeve, the coupler is divided into an upper half and a lower half, and is provided with a coupler lower half outer circular surface and a coupler upper half outer circular surface; the lower motor plate is provided with a lower motor plate lower spigot and a lower motor plate upper spigot, and the lower motor plate lower spigot is opposite to the lower motor plate upper spigot; the upper motor plate is provided with an upper motor plate lower spigot and an upper motor plate upper spigot, and the upper motor plate lower spigot is opposite to the upper motor plate upper spigot; the main motor is provided with a main motor spigot, and the main motor spigot is attached to the upper motor plate spigot.

2. The mounting and connecting structure of a spindle and a motor according to claim 1, wherein: the main shaft unit is perpendicular to the lower motor plate.

3. The mounting and connecting structure of a spindle and a motor according to claim 1, wherein: the lower motor plate is parallel to the upper motor plate.

4. The mounting and connecting structure of a spindle and a motor according to claim 1, wherein: the lower motor plate is positioned between the upper motor plate and the spindle box.

5. The mounting and connecting structure of a spindle and a motor according to claim 1, wherein: the shaft coupling is perpendicular to the lower motor plate.

6. The mounting and connecting structure of a spindle and a motor according to claim 1, wherein: the spindle unit is located in the spindle box.