CN209953818U

CN209953818U - Vertical liquid suspension electric spindle

Info

Publication number: CN209953818U
Application number: CN201920576291.7U
Authority: CN
Inventors: 薛敏霞
Original assignee: Wuxi Xinlong Bearing Co Ltd
Current assignee: Wuxi Xinlong Bearing Co Ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-01-17
Anticipated expiration: 2029-04-25

Abstract

The utility model provides a vertical liquid suspension electric main shaft, which relates to the technical field of machining, the vertical liquid suspension electric main shaft is characterized in that an axle center is fixedly arranged in a shell, a vibration damping mechanism is fixedly arranged at the upper end of the shell, the vibration damping mechanism consists of a limiting cylinder, a fixed column, a spring, a limiting rod, a rotating bearing and a limiting sleeve, the fixed column is fixedly arranged at the upper end of the shell, the limiting rod is fixedly arranged at one side of the fixed column, the spring is movably connected at the outer part of the limiting rod, the limiting cylinder is fixedly connected at one side of the spring, the limiting cylinder is movably connected at the outer part of the limiting rod, the outer ring of the rotating bearing is fixedly connected in the limiting sleeve, the spring is limited by arranging the limiting rod, the spring cannot shake up and down at will not occur, by arranging the limiting sleeve, the amplitude, reduce the vibration force generated when the axis rotates and improve the precision when the axis rotates.

Description

Vertical liquid suspension electric spindle

Technical Field

The utility model relates to a machining's technical field specifically is vertical liquid suspension electricity main shaft.

Background

The machine tool industry is a foundation stone for equipment manufacturing and defense industries. The electric spindle is a core functional component for realizing precise and ultra-precise processing of a modern numerical control machine tool, the functions of the machine tool spindle and a motor are structurally integrated, the speed is high, the precision is high, the speed regulation range is wide, the quick start and the accurate stop can be realized, and the automatic control can be realized.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a vertical liquid suspension electricity main shaft has solved the vibration that produces when current method can't reduce electricity main shaft axle center and rotates, makes the problem of the precision emergence deviation of electricity main shaft.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a vertical liquid suspension electric spindle comprises a shell, wherein two support columns are fixedly arranged at the bottom end of the shell, the two support columns are respectively arranged at two sides of the bottom end of the shell, an axle center is fixedly arranged in the shell and is arranged at the middle end in the shell, a vibration damping mechanism is fixedly arranged at the upper end of the shell, the position of the vibration damping mechanism is arranged in a limiting cover, the vibration damping mechanism comprises a limiting cylinder, a fixing column, a spring, a limiting rod, a rotating bearing and a limiting sleeve, the fixing column is fixedly arranged at the upper end of the shell, the shape of the fixing column is rectangular, the limiting rod is fixedly arranged at one side of the fixing column, the shape of the limiting rod is cylindrical, the spring is movably connected outside the limiting rod, one side of the spring is fixedly arranged on the fixing column, the other side of the spring is fixedly connected with, spacing section of thick bamboo swing joint is in the outside of gag lever post, the opposite side and the stop collar fixed connection of a spacing section of thick bamboo, the shape of stop collar sets up to ring shape, rolling bearing's outer lane fixed connection is in the inside of stop collar, the axle center runs through the upper end of casing and rolling bearing's inner circle swing joint, and the axle center passes rolling bearing and runs through spacing cover and be linked together with the outside, the both sides of casing lower part all are seted up flutedly, the recess communicates with the casing is inside, the equal fixed mounting in inside of every recess has air breather.

Preferably, the upper end fixed mounting of casing has spacing cover, and the shape of spacing cover sets up to the rectangle, and the inside of spacing cover sets up to hollow, and fixed mounting has splint on the inner wall of spacing cover, and splint laminate mutually with the inner wall of spacing cover, and the inside packing of splint has the sound of inhaling cotton.

Preferably, the number of the fixed columns, the springs, the limiting rods and the limiting cylinders is four, and the fixed columns, the springs, the limiting rods and the limiting cylinders are uniformly arranged around the outer portion of the limiting sleeve.

Preferably, the ventilation mechanism comprises a round cover, a round cap, a filter screen and a hollow column, the hollow column is fixedly installed in the groove, and one side of the filter screen is fixedly installed on the hollow column.

Preferably, the other side fixed mounting of filter screen has the dome, and the dome sets up to semi-circular, and the outside of dome has seted up the several hole, and the inside of hollow post is linked together through the inside of filter screen and dome and casing, and round cap threaded connection is at the opposite side of hollow post.

(III) advantageous effects

The utility model provides a vertical liquid suspension electricity main shaft. The method has the following beneficial effects:

(1) this vertical liquid suspension electricity main shaft through setting up the gag lever post, carries on spacingly to the spring, makes the spring can not rock from top to bottom at will, through setting up the stop collar, and the effectual amplitude that produces when reducing the axle center and rotating sets up fixed plate and spacing section of thick bamboo cooperation spring, reduces the vibrational force that produces when the axle center rotates, improves the precision when the axle center rotates.

(2) This vertical liquid suspension electricity main shaft through setting up dome and filter screen, makes the inside that dust and impurity in the outside air can not get into the casing, through setting up dome cooperation air column, makes dome convenient to detach, has made things convenient for user's use, sets up the noise that produces when splint can absorb the axle center rotation to the sound that electricity main shaft produced has been reduced.

Drawings

Fig. 1 is a schematic perspective view of the housing of the present invention;

FIG. 2 is a schematic cross-sectional view of the housing of FIG. 1 according to the present invention;

fig. 3 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present invention;

fig. 4 is a schematic top view of the stop collar of fig. 3 according to the present invention;

fig. 5 is a schematic diagram of a partial enlarged structure at B in fig. 2 according to the present invention.

In the figure: the device comprises a shell 1, an axle center 2, a support column 3, a limit cover 4, a clamping plate 5, a vibration damping mechanism 6, a limit sleeve 7, a limit cylinder 8, a fixing plate 9, a spring 10, a limit rod 11, a rotating bearing 12, a ventilation mechanism 13, a round cover 14, a round cap 15, a filter screen 16, a hollow column 17 and a groove 18.

Detailed Description

As shown in fig. 1-5, the utility model provides a technical solution: a vertical liquid suspension electric spindle comprises a shell 1, wherein support columns 3 are fixedly installed at the bottom end of the shell 1, the number of the support columns 3 is two, the two support columns 3 are respectively arranged at two sides of the bottom end of the shell 1, an axis 2 is fixedly installed inside the shell 1, the axis 2 is arranged at the middle end inside the shell 1, a limiting cover 4 is fixedly installed at the upper end of the shell 1, the limiting cover 4 is rectangular, the inside of the limiting cover 4 is hollow, a clamping plate 5 is fixedly installed on the inner wall of the limiting cover 4, the clamping plate 5 is attached to the inner wall of the limiting cover 4, sound-absorbing cotton is filled inside the clamping plate 5, noise generated when the axis rotates can be absorbed through the clamping plate 5, so that sound generated by the electric spindle is reduced, a vibration-absorbing mechanism 6 is fixedly installed at the upper end of the shell 1, the position of the vibration-absorbing mechanism 6 is arranged inside the limiting cover, the fixing column 9 is fixedly arranged at the upper end of the shell 1, the fixing column 9 is rectangular, the limiting rod 11 is fixedly arranged at one side of the fixing column 9, the limiting rod 11 is cylindrical, the spring 10 is movably connected with the outside of the limiting rod 11, one side of the spring 10 is fixedly arranged on the fixing column 9, the other side of the spring 10 is fixedly connected with the limiting cylinder 8, the limiting cylinder 8 is fixedly connected with one side of the spring 10, the limiting cylinder 8 is movably connected with the outside of the limiting rod 11, the other side of the limiting cylinder 8 is fixedly connected with the limiting sleeve 7, the limiting sleeve 7 is circular, the outer ring of the rotating bearing 12 is fixedly connected with the inside of the limiting sleeve 7, the number of the fixing column 9, the spring 10, the limiting rod 11 and the limiting cylinder 8 is four, and the limiting sleeve is uniformly arranged around the outside of the limiting sleeve 7, the axle center 2 penetrates through the upper end of the shell 1 and is movably connected with the inner ring of a rotating bearing 12, the axle center 2 penetrates through a limiting cover 4 through the rotating bearing 12 and is communicated with the outside, when the axle center 2 rotates to generate vibration and is transmitted to a limiting cylinder 8 through the rotating bearing 12 and a limiting sleeve 7, the limiting cylinder 8 moves towards a fixed column 9, a spring 10 outside a limiting rod 11 is extruded at the moment to offset the vibration force, then the spring 10 generates reset elastic force to enable the limiting cylinder 8 to return to the original position, the limiting rod 11 is arranged to limit the spring 10, so that the spring 10 cannot shake up and down randomly, the limiting sleeve 7 is arranged to effectively reduce the amplitude generated when the axle center 2 rotates, the fixed plate 9 and the limiting cylinder 8 are arranged to cooperate with the spring 10 to reduce the vibration force generated when the axle center 2 rotates and improve the precision when the axle center 2 rotates, grooves 18 are arranged on two sides of the lower, the grooves 18 are communicated with the inside of the shell 1, the inside of each groove 18 is fixedly provided with an air breather 13, each air breather 13 consists of a round cover 14, a round cap 15, a filter screen 16 and a hollow column 17, the hollow column 17 is fixedly arranged in each groove 18, one side of each filter screen 16 is fixedly arranged on the corresponding hollow column 17, the other side of each filter screen 16 is fixedly provided with the corresponding round cover 14, each round cover 14 is semicircular, a plurality of holes are formed in the outer part of each round cover 14, the inner part of each hollow column 17 is communicated with the inner part of the shell 1 through the corresponding filter screen 16 and the corresponding round cover 14, the round caps 15 are in threaded connection with the other sides of the corresponding hollow columns 17, the round caps 15 are turned to be out of the corresponding hollow columns 17, the air pressure in the inner part of the shell 1 is different from the air pressure in the outer part, so that the air in the inner part of the shell 1 passes, the dust and the impurities in the outside air can not enter the shell 1, and the round cap 15 is matched with the air column 17, so that the round cap 15 is convenient to detach, and the use of a user is facilitated.

The working principle is as follows: when the vertical liquid suspension electric spindle works, the axis 2 starts to rotate, the axis 2 rotates to generate vibration and is transmitted to the limiting cylinder 8 through the rotating bearing 12 and the limiting sleeve 7, the limiting cylinder 8 moves towards the fixed column 9, the spring 10 outside the limiting rod 11 is extruded at the moment to offset the force of the vibration, then the spring 10 generates reset elastic force to enable the limiting cylinder 8 to return to the original position, the round cap 15 is turned out of the hollow column 17, the air pressure inside the shell 1 is different from the air pressure outside the shell, and therefore pressure is generated to enable the air inside the shell 1 to pass through the round cap 14 and the filter screen 16 and be released from the inside of the hollow column 17 to the outside.

Claims

1. Vertical liquid suspension electricity main shaft, including casing (1), its characterized in that: the axle center (2) is fixedly arranged in the shell (1), the upper end of the shell (1) is fixedly provided with a vibration damping mechanism (6), the vibration damping mechanism (6) consists of a limiting cylinder (8), a fixed column (9), a spring (10), a limiting rod (11), a rotating bearing (12) and a limiting sleeve (7), the fixed column (9) is fixedly arranged at the upper end of the shell (1), the limiting rod (11) is fixedly arranged at one side of the fixed column (9), the spring (10) is movably connected at the outer part of the limiting rod (11), one side of the spring (10) is fixedly arranged on the fixed column (9), the other side of the spring (10) is fixedly connected with the limiting cylinder (8), the limiting cylinder (8) is fixedly connected at one side of the spring (10), the limiting cylinder (8) is movably connected at the outer part of the limiting rod (11), the other side of the limiting cylinder (8) is fixedly connected with the limiting sleeve, the outer ring of the rotating bearing (12) is fixedly connected inside the limiting sleeve (7), grooves (18) are formed in two sides of the lower portion of the shell (1), and an air ventilation mechanism (13) is fixedly mounted inside each groove (18).

2. The vertical liquid suspended motorized spindle of claim 1, wherein: the number of the fixing columns (9), the number of the springs (10), the number of the limiting rods (11) and the number of the limiting cylinders (8) are four, and the fixing columns are uniformly arranged around the outer portion of the limiting sleeve (7).

3. The vertical liquid suspended motorized spindle of claim 1, wherein: the bottom fixed mounting of casing (1) has support column (3), and the quantity of support column (3) is two, and two support column (3) slopes to set up the both sides in casing (1) bottom.

4. The vertical liquid suspended motorized spindle of claim 1, wherein: the upper end fixed mounting of casing (1) has spacing cover (4), and the shape of spacing cover (4) sets up to the rectangle, and fixed mounting has splint (5) on the inner wall of spacing cover (4), and splint (5) laminate mutually with the inner wall of spacing cover (4), and the inside packing of splint (5) has the sound of inhaling cotton.

5. The vertical liquid suspended motorized spindle of claim 1, wherein: the ventilation mechanism (13) is composed of a round cover (14), a round cap (15), a filter screen (16) and a hollow column (17), the hollow column (17) is fixedly installed inside the groove (18), and one side of the filter screen (16) is fixedly installed on the hollow column (17).

6. The vertical liquid suspended motorized spindle of claim 5, wherein: the round cover (14) is fixedly mounted on the other side of the filter screen (16), the round cover (14) is semicircular, a plurality of holes are formed in the outer portion of the round cover (14), and the round cap (15) is in threaded connection with the other side of the hollow column (17).