CN211183659U

CN211183659U - Vibration reduction electric spindle positioning frame

Info

Publication number: CN211183659U
Application number: CN202020154282.1U
Authority: CN
Inventors: 李春
Original assignee: Inna Intelligent Equipment Dalian Co ltd
Current assignee: Inna Intelligent Equipment Dalian Co ltd
Priority date: 2020-02-06
Filing date: 2020-02-06
Publication date: 2020-08-04
Anticipated expiration: 2030-02-06

Abstract

The utility model belongs to the technical field of electricity spindle motor, especially, damping electricity spindle location frame, to current electricity spindle motor can produce great vibration in the course of working, and this vibration can be serious influences the problem of the life of electric spindle motor's internal mechanical component, the following scheme is proposed at present, it includes the damper box, two first damping springs of symmetry setting are fixed to be installed on the bottom inner wall of damper box, and the top fixed mounting of two first damping springs has the same damping plate, two connecting plates of symmetry setting are fixed to be installed at the top of damping plate, the through-hole has been seted up at the top of damper box, and the top of two connecting plates all runs through the through-hole and extends to the top of damper box; the utility model discloses convenient operation, this locating rack body both can realize fixing electric main shaft, can cushion electric main shaft's vibration again, the effectual life who improves electric main shaft internal mechanical structure.

Description

Vibration reduction electric spindle positioning frame

Technical Field

The utility model relates to an electricity spindle motor technical field especially relates to a damping electricity spindle location frame.

Background

The electric spindle motor is also called a high-speed motor, and refers to an alternating current motor with the revolution number of more than 10000 revolutions/min. The high-speed rotating speed and vibration-reducing device is mainly applied to industries such as wood, aluminum, stone, hardware, glass and PVC, has the advantages of high rotating speed, small volume, light weight, low material consumption, low noise, low vibration and the like, and is increasingly valued and applied by related industries. In the modern society of high-speed technological progress, as the spindle motor is widely applied and has delicate work, high speed and higher processing quality, other common motors cannot meet the technical requirements of the spindle motor and play an important role in the industrial production process, so that the spindle motor is particularly favored nationwide and worldwide.

The present electric spindle motor may generate large vibration during working, and the vibration may seriously affect the service life of the internal mechanical components of the electric spindle motor, so we propose a vibration-damping electric spindle positioning frame to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the electric spindle motor in the prior art can generate large vibration in the working process, and the vibration can seriously affect the service life of the internal mechanical component of the electric spindle motor, and provides a vibration reduction electric spindle positioning frame.

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

a vibration reduction electric spindle locating rack comprises a damping box, wherein two first damping springs are symmetrically arranged and fixedly mounted on the inner wall of the bottom of the damping box, the tops of the two first damping springs are fixedly mounted with a same damping plate, two connecting plates are symmetrically arranged and fixedly mounted on the tops of the damping plates, through holes are formed in the tops of the damping box, the tops of the two connecting plates penetrate through the through holes and extend to the upper side of the damping box, fixed plates are fixedly mounted on the two sides of the damping plate, two sliding rods are symmetrically arranged and fixedly mounted on the inner wall of the bottom of the damping box, the damping plate is located between the two sliding rods, two sliding blocks are symmetrically arranged and slidably connected to the outer sides of the sliding rods, a second damping spring is sleeved on the outer sides of the sliding rods, and the top and the bottom of the second damping spring are fixedly connected with one side, close to the two sliding blocks, one side of sliding block is rotated and is connected with the connecting rod, and the one end that is located two connecting rods of homonymy all rotates with corresponding fixed plate to be connected, and the top fixed mounting of two connecting plates has same U-shaped plate, the top of U-shaped plate is provided with drive assembly, and is provided with two arcs that the symmetry set up on the drive assembly, and one side centre gripping that two arcs are close to each other is fixed with same electricity main shaft.

Preferably, the sliding block is fixedly embedded with a linear bearing, the sliding rod penetrates through the inner ring of the corresponding linear bearing and is in sliding connection with the inner ring of the linear bearing, and the friction force between the sliding block and the sliding rod can be reduced by using the linear bearing.

Preferably, the drive assembly includes two bolts that the symmetry at U-shaped plate top set up that slidable mounting is at, and the top of two bolts respectively with the bottom fixed connection of arc, the equal fixed mounting in both sides of U-shaped plate has driving motor, fixed mounting has the welding plate on the intermediate position of U-shaped plate, fixed mounting has the screw rod on driving motor's the output shaft, and two screw rods run through two bolts respectively and rotate with one side of welding plate and be connected, screw rod and bolt threaded connection, when needs carry out the centre gripping to electric main shaft fixed, start two driving motor this moment, driving motor can drive screw rod threaded connection, and screw rod and bolt threaded connection, so can drive the arc and remove, remove to one side that is close to each other when two arcs, alright in order to have realized carrying out the fixed purpose of centre gripping to electric main shaft.

Preferably, a plurality of arc draw-in grooves have all been seted up to one side that two arcs are close to each other, the equal fixed mounting in both sides of electricity main shaft has a plurality of arc fixture blocks, and arc draw-in groove and corresponding arc fixture block looks block, utilizes arc fixture block and arc draw-in groove can make the arc more firm fixed to electricity main shaft.

Preferably, the bottom fixed mounting of bolt has the slider, the top fixed mounting of U-shaped board has the slide rail, and two sliders all with slide rail sliding connection, utilize slider and slide rail can not take place the skew when making bolt lateral shifting.

The utility model discloses in, when fixing electric main shaft on this locating rack body, place electric main shaft this moment and start two driving motor between two arcs, driving motor can drive screw rod threaded connection, and screw rod and bolt threaded connection, so can drive the arc and remove, move to one side that is close to each other when two arcs, alright carry out the fixed purpose of centre gripping with having realized carrying out electric main shaft, utilize arc fixture block and arc draw-in groove to make the arc more firm to electric main shaft is fixed.

The utility model discloses in, can produce certain vibration when electric main shaft starts, and electric main shaft can drive the shock attenuation board and vibrate, and the shock attenuation board under first damping spring and second damping spring's elasticity limiting displacement, can carry out the shock attenuation buffering to rocking of shock attenuation board, the effectual vibration that reduces electric main shaft during operation.

The utility model discloses convenient operation, this locating rack body both can realize fixing electric main shaft, can cushion electric main shaft's vibration again, the effectual life who improves electric main shaft internal mechanical structure.

Drawings

Fig. 1 is a schematic view of an overall structure of a vibration-damping electric spindle positioning frame according to the present invention;

fig. 2 is a schematic cross-sectional structural view of the damping box of fig. 1 of a damping electric spindle positioning frame according to the present invention;

fig. 3 is a schematic view of a part of a top view structure of fig. 1 of a vibration-damping electric spindle positioning frame according to the present invention.

In the figure: 1 damping box, 2 connecting plates, 3U-shaped plates, 4 bolts, 5 moving plates, 6 arc-shaped plates, 7 electric spindles, 8 driving motors, 9 screw rods, 10 welding plates, 11 damping plates, 12 first damping springs, 13 sliding rods, 14 sliding blocks, 15 second damping springs, 16 connecting rods, 17 fixing plates, 18 arc-shaped clamping grooves and 19 arc-shaped clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, a vibration damping electric spindle positioning frame comprises a damping box 1, wherein two first damping springs 12 are fixedly arranged on the inner wall of the bottom of the damping box 1, the two first damping springs 12 are symmetrically arranged, the top of each first damping spring 12 is fixedly provided with a same damping plate 11, the top of each damping plate 11 is fixedly provided with two connecting plates 2, the two connecting plates 2 are symmetrically arranged, the top of the damping box 1 is provided with a through hole, the top of each connecting plate 2 penetrates through the through hole and extends to the upper part of the damping box 1, the two sides of each damping plate 11 are fixedly provided with a fixing plate 17, the inner wall of the bottom of the damping box 1 is fixedly provided with two slide bars 13, the damping plates 11 are positioned between the two slide bars 13, the outer sides of the slide bars 13 are slidably connected with two sliding blocks 14, the outer sides of the slide bars 13 are sleeved with second damping springs 15, and the top and the bottom of the second damping springs, one side of sliding block 14 rotates and is connected with connecting rod 16, and the one end that is located two connecting rods 16 of homonymy all rotates with corresponding fixed plate 17 to be connected, and the top fixed mounting of two connecting plates 2 has same U-shaped plate 3, and the top of U-shaped plate 3 is provided with drive assembly, and is provided with two arcs 6 that the symmetry set up on the drive assembly, and one side centre gripping that two arcs 6 are close to each other is fixed with same electricity main shaft 7.

Example two

The improvement is further based on the first embodiment: the sliding block 14 is fixedly embedded with a linear bearing, the sliding rod 13 penetrates through the inner ring of the corresponding linear bearing and is connected with the inner ring of the linear bearing in a sliding manner, and the friction force between the sliding block 14 and the sliding rod 13 can be reduced by utilizing the linear bearing; the driving assembly comprises two symmetrically arranged bolts 4 which are slidably arranged at the top of the U-shaped plate 3, the tops of the two bolts 4 are respectively and fixedly connected with the bottom of the arc-shaped plate 6, driving motors 8 are fixedly arranged at the two sides of the U-shaped plate 3, a welding plate 10 is fixedly arranged at the middle position of the U-shaped plate 3, a screw 9 is fixedly arranged on an output shaft of the driving motor 8, and two screws 9 respectively penetrate through the two bolts 4 and are rotatably connected with one side of the welding plate 10, the screws 9 are in threaded connection with the bolts 4, when the electric spindle 7 needs to be clamped and fixed, the two driving motors 8 are started at the moment, the driving motors 8 drive the screw rods 9 to be in threaded connection, the screw rods 9 are in threaded connection with the bolts 4, therefore, the arc-shaped plates 6 can be driven to move, and when the two arc-shaped plates 6 move towards the sides close to each other, the purpose of clamping and fixing the electric spindle 7 can be realized; a plurality of arc-shaped clamping grooves 18 are formed in one side, close to each other, of each of the two arc-shaped plates 6, a plurality of arc-shaped clamping blocks 19 are fixedly mounted on two sides of the electric spindle 7, the arc-shaped clamping grooves 18 are clamped with the corresponding arc-shaped clamping blocks 19, and the arc-shaped plates 6 can be used for fixing the electric spindle 7 more stably by means of the arc-shaped clamping blocks 19 and the arc-shaped clamping grooves 18; the bottom fixed mounting of bolt 4 has the slider, and the top fixed mounting of U-shaped plate 3 has the slide rail, and two sliders all with slide rail sliding connection, can not take place the skew when utilizing slider and slide rail can make bolt 4 lateral shifting.

In this embodiment, during the use, when fixing electric main shaft 7 on this locating rack body, place electric main shaft 7 this moment and start two driving motor 8 between two arcs 6, driving motor 8 can drive screw rod 9 threaded connection, and screw rod 9 and 4 threaded connection of bolt, so can drive arc 6 and remove, move to one side that is close to each other when two arcs 6, alright in order to realize carrying out the fixed purpose of centre gripping to electric main shaft 7, utilize arc fixture block 19 and arc draw-in groove 18 can make arc 6 more firm to electric main shaft 7 is fixed.

Can produce certain vibration when electric main shaft 7 starts, and electric main shaft 7 can drive shock attenuation board 11 and vibrate, and shock attenuation board 11 can carry out the shock attenuation buffering to rocking of shock attenuation board 11 under first damping spring 12 and second damping spring 15's elasticity limiting displacement, the effectual vibration that reduces electric main shaft 7 during operation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A damping electric spindle locating rack comprises a damping box (1) and is characterized in that two first damping springs (12) which are symmetrically arranged are fixedly installed on the inner wall of the bottom of the damping box (1), the tops of the two first damping springs (12) are fixedly installed with a same damping plate (11), two connecting plates (2) which are symmetrically arranged are fixedly installed on the tops of the damping plate (11), a through hole is formed in the top of the damping box (1), the tops of the two connecting plates (2) penetrate through the through hole and extend to the upper side of the damping box (1), fixing plates (17) are fixedly installed on the two sides of the damping plate (11), two sliding rods (13) which are symmetrically arranged are fixedly installed on the inner wall of the bottom of the damping box (1), the damping plate (11) is located between the two sliding rods (13), and two sliding blocks (14) which are symmetrically arranged are slidably connected to the outer sides of the sliding rods (13), the outside cover of slide bar (13) is equipped with second damping spring (15), and the top and the bottom of second damping spring (15) respectively with two sliding blocks (14) one side fixed connection that are close to each other, one side of sliding block (14) is rotated and is connected with connecting rod (16), the one end that is located two connecting rods (16) of homonymy all rotates with corresponding fixed plate (17) to be connected, the top fixed mounting of two connecting plates (2) has same U-shaped board (3), the top of U-shaped board (3) is provided with drive assembly, and is provided with two arcs (6) that the symmetry set up on the drive assembly, and one side centre gripping that two arcs (6) are close to each other is fixed with same electricity main shaft (7).

2. A damped electro-spindle spacer according to claim 1, wherein the sliding blocks (14) are fixed with linear bearings, and the sliding rods (13) extend through and are slidably connected to inner rings of the corresponding linear bearings.

3. The vibration-damping electric spindle positioning frame according to claim 1, wherein the driving assembly comprises two symmetrically arranged bolts (4) slidably mounted on the top of the U-shaped plate (3), the tops of the two bolts (4) are fixedly connected with the bottom of the arc-shaped plate (6) respectively, driving motors (8) are fixedly mounted on two sides of the U-shaped plate (3), a welding plate (10) is fixedly mounted on the middle position of the U-shaped plate (3), a screw rod (9) is fixedly mounted on an output shaft of the driving motor (8), the two screw rods (9) penetrate through the two bolts (4) respectively and are rotatably connected with one side of the welding plate (10), and the screw rod (9) is in threaded connection with the bolts (4).

4. The vibration-damping electric spindle positioning frame according to claim 1, wherein a plurality of arc-shaped clamping grooves (18) are formed in the sides of the two arc-shaped plates (6) close to each other, a plurality of arc-shaped clamping blocks (19) are fixedly mounted on the two sides of the electric spindle (7), and the arc-shaped clamping grooves (18) are clamped with the corresponding arc-shaped clamping blocks (19).

5. The vibration-damping electric spindle positioning frame according to claim 3, characterized in that a sliding block is fixedly installed at the bottom of the bolt (4), a sliding rail is fixedly installed at the top of the U-shaped plate (3), and both sliding blocks are slidably connected with the sliding rail.