CN218216993U

CN218216993U - Motor brake structure

Info

Publication number: CN218216993U
Application number: CN202222428547.4U
Authority: CN
Inventors: 张奎全
Original assignee: Fengxian Chaohua Motor Manufacturing Co ltd
Current assignee: Fengxian Chaohua Motor Manufacturing Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-01-03
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses a motor brake structure relates to motor brake structure technical field, has brake efficiently, and the security obtains the effect that improves, including mounting plate, mounting plate's top is equipped with the installation roof, is equipped with axial support between mounting plate and the installation roof, mounting plate, support and installation roof fixed connection, and mounting plate up end fixed mounting has the motor body that is located installation roof below, rotates on the motor body to be connected with the rotor, is equipped with the braking piece that plays the braking action to the rotor on the support.

Description

Motor brake structure

Technical Field

The utility model relates to a motor brake technical field specifically is a motor brake structure.

Background

The motor industry is a traditional industry, and after more than 200 years of development, the motor industry becomes an indispensable core and foundation in modern production and life, is an important ring in national economy, and has an extremely unique advantage as a labor-intensive industry in China.

The feeding of the tool and the movement of the tool in the numerical control lathe are generally driven by a servo motor, and the servo motor drives a moving part to reciprocate to realize the feeding of the tool and the movement of the tool. When the servo motor loses power, the output shaft of the servo motor loses torsion, the moving part slides due to the influence of inertia of moving before power failure or self gravity, and the safety is low.

At present, a chinese patent with application number CN201821190966.6 in the market discloses a motor brake structure, which comprises a mounting seat, a screw rod rotatably arranged on the mounting seat, a screw rod nut sleeved on the screw rod, a moving plate connected to the screw rod nut, and a permanent magnet servo motor for driving the screw rod to rotate; the permanent magnet servo motor is coupled with a three-phase power circuit and a short-circuit closed circuit, a change-over switch is coupled between the three-phase power circuit and the short-circuit closed circuit, and the change-over switch is electrically connected with a brake controller; when the permanent magnet servo motor is electrified, the brake controller controls the change-over switch to switch on the three-phase power circuit and controls the change-over switch to switch off the short-circuit closed circuit.

This application plays the brake effect to the motor through setting up a motor brake structure, has reduced still pivoted risk after the motor outage, has improved the device's security, and this application sets up another kind of brake structure, and the rotor still pivoted risk after the reduction motor outage.

SUMMERY OF THE UTILITY MODEL

The technique that exists is not enough to the aforesaid, the utility model aims at providing a motor brake structure has the rotor and still rotates the possibility after reducing the motor outage, improves the advantage of the device security.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a motor brake structure, including mounting plate, mounting plate's top is equipped with the installation roof, be equipped with axial support between mounting plate and the installation roof, mounting plate, support and installation roof fixed connection, mounting plate up end fixed mounting has the motor body that is located installation roof below, it is connected with the rotor to rotate on the motor body, be equipped with the braking piece that plays the braking action to the rotor on the support.

Through adopting above-mentioned technical scheme, through the effect of braking piece, play the braking action to the rotor when motor body outage, the rotor still pivoted possibility when reducing motor body out of work improves the device's security.

Preferentially, the braking member is including first arc braking board and the second arc braking board that is located the rotor outside, first arc braking board and second arc braking board set up relatively, through mount fixed connection between first arc braking board and the support, first arc braking board is close to the rotor, be equipped with on the second arc braking board and control second arc braking board and conflict with the rotor and play the driving piece of braking action to the rotor when motor body cuts off the power supply.

Through above-mentioned technical scheme, through the effect of driving piece, when motor body outage, the direction of drive second arc braking vane towards the rotor removes for second arc braking vane plays the braking action to the rotor, reduces motor body outage state down the rotor and still pivoted possibility, and when the rotor was normally used, the direction of keeping away from the rotor was removed towards the second arc braking vane, and the second arc braking vane does not influence the normal use of rotor.

Preferentially, the driving piece includes the ear seat with terminal surface fixed connection under the installation roof, the one end swing joint that the ear seat deviates from the installation roof has L type pole, the one end and the second arc braking plate fixed connection of ear seat are kept away from to L type pole, waist type groove has been seted up on the L type pole, waist type inslot slides and is connected with spacing axle, the outside fixed mounting of spacing axle has the carriage release lever, the carriage release lever transversely sets up, the one end fixed mounting of carriage release lever has first spring, fixed mounting has L type frame on the support, the one end and the L type frame fixed connection of carriage release lever are kept away from to first spring, be equipped with the control carriage release lever on the support and remove in order to drive L type pole pivoted control in the horizontal direction.

Through above-mentioned technical scheme, effect control carriage release lever through the control slides on the horizontal direction, and the removal of carriage release lever can drive and shift on the horizontal direction with carriage release lever fixed connection's spacing axle, and spacing axle extends to waist type inslot portion, through the cooperation in spacing axle and waist type groove, can drive L type pole round ear seat and rotate, when the motor body outage, can make second arc braking plate contradict with the rotor, plays the braking action to the rotor through the effect of second arc braking plate.

Preferentially, the control includes the framework shell with support fixed connection, the mounting groove has been seted up to the inside of framework shell, fixed mounting has axial link in the mounting groove, the framework shell has been close to one side of carriage release lever and has been seted up the groove of sliding, the one end that first spring was kept away from to the carriage release lever extends to the mounting groove inside through the groove of sliding, the one end fixed mounting that the carriage release lever extended to the mounting groove inside has armature, armature slides with the link and is connected, armature slides through the slide with the mounting groove lateral wall and is connected, through second spring fixed connection between armature and the link, fixed mounting has solenoid on the link, the one end fixed mounting that deviates from the solenoid link has the iron core with the armature adaptation, the iron core establishes ties with motor body circuit.

Through the technical scheme, when the motor body is electrified and normally used, a magnetic field is generated in the mounting groove, so that the iron core has enough suction, the iron core attracts and holds the armature, the armature moves towards the direction of the iron core, the second spring is compressed, the movement of the armature can drive the movable rod fixedly connected with the armature to move in the horizontal direction, the movement of the movable rod can enable the first spring to be stretched, meanwhile, the movement of the movable rod can drive the limiting shaft fixedly connected with the movable rod to move, the movement of the limiting shaft can drive the L-shaped rod to rotate around the lug seat, the rotation of the L-shaped rod can drive the second arc-shaped brake plate fixedly connected with the L-shaped rod to rotate, the second arc-shaped brake plate does not collide with the rotor, the normal work of the rotor is not influenced by the second arc-shaped brake plate, when the motor body is powered off or the voltage is remarkably reduced, the magnetic force of the iron core disappears or is too small, the armature returns to the initial state under the action of the second spring, the first spring rebounds, the movable rod slides towards the direction of the L-shaped frame, the rotor, the possibility that the rotor rotates under the action of the rotor is reduced through the action of the second arc-shaped brake plate.

Preferentially, two adjacent supports are sleeved with transverse C-shaped connecting plates, the C-shaped connecting plates are connected with the supports through bolts, and the motor body is fixedly connected with the C-shaped connecting plates through bolts.

Through above-mentioned technical scheme, through the cooperation of C type connecting plate and motor body, reduce motor body and because of vibrations and the direction of second arc braking plate the possibility that slides, improved the device's stability at the rotation in-process.

Preferentially, first arc braking vane is equipped with the sealed piece of high elasticity rubber towards one side of rotor, and the sealed piece of high elasticity rubber deviates from one side fixed mounting of first arc braking vane has first brake block, and the sealed piece of high elasticity rubber deviates from one side of rotor and is equipped with the air inlet, air inlet and air pump fixed connection.

Through above-mentioned technical scheme, when the rotor outage, open the air pump, make the sealed piece of high elasticity rubber aerify through the effect of air pump, the sealed piece inflation of high elasticity rubber for first brake block contradicts each other with the rotor, plays the braking action to the rotor through the effect of first brake block, when the air pump was taken out the interior gas of high elasticity rubber seal block, the sealed piece volume of high elasticity rubber reduces, and first brake block and rotor disconnection do not influence the normal use of rotor.

Preferably, a second brake pad is fixedly mounted on one side, facing the rotor, of the second arc-shaped brake plate.

Through above-mentioned technical scheme, play the braking effect to the rotor through the cooperation of first brake block and second brake block.

The beneficial effects of the utility model reside in that:

(1) The motor brake structure has the advantages that the brake function is realized on the rotor when the motor body is powered off under the action of the brake piece, the possibility that the rotor still rotates when the motor body does not work is reduced, and the safety of the device is improved.

(2) This motor brake structure, solenoid and motor body establish ties, and under the motor body outage state, through the cooperation of solenoid, second spring, iron core and armature, can drive the carriage release lever and move on the horizontal direction, and then drive L type pole and rotate, the rotation of L type pole can drive with L type pole fixed connection's second arc braking vane towards the direction rotation of rotor, the second arc braking vane plays the braking action to the rotor.

(3) This motor brake structure, through the effect of oval wheel, under motor body operating condition, oval wheel is located between first arc braking vane and the second arc braking vane and not with first arc braking vane and second arc braking vane contact, when motor body outage, through the cooperation of first arc braking vane, second arc braking vane and oval wheel, plays the braking action to the rotor.

(4) This motor brake structure, through the cooperation of high elasticity rubber seal piece and air pump on first arc braking board, when the outage of motor body for the inflation of high elasticity rubber seal piece makes first brake block and rotor conflict through the effect of high elasticity rubber seal piece, plays the braking action to the rotor through the effect of first brake block.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic overall side view of the present embodiment;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present embodiment.

Description of the reference numerals:

in the figure: 1. mounting a bottom plate; 2. a support; 3. installing a top plate; 4. a motor body; 5. a C-shaped connecting plate; 6. a rotor; 7. a first arcuate brake plate; 8. a fixed mount; 9. a second arcuate brake plate; 10. an L-shaped rod; 11. a sliding groove; 12. a second spring; 13. a waist-shaped groove; 14. a travel bar; 15. a limiting shaft; 16. a first spring; 17. an ear mount; 18. an L-shaped frame; 19. a frame body housing; 20. mounting grooves; 21. a connecting frame; 22. an electromagnetic coil; 23. an iron core; 24. an armature.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a motor brake structure, as shown in fig. 1-3, including mounting plate 1, mounting plate 1's top is equipped with installation roof 3, be equipped with axial support 2 between mounting plate 1 and the installation roof 3, mounting plate 1, support 2 and installation roof 3 fixed connection, mounting plate 1 up end fixed mounting has motor body 4 who is located installation roof 3 below, motor body 4 is last to rotate and is connected with rotor 6, be equipped with the braking piece that plays braking action to rotor 6 on the support 2, effect through the braking piece, play braking action to rotor 6 when motor body 4 cuts off the power supply, rotor 6 still pivoted possibility when reducing motor body 4 out of work, improve the device's security.

As shown in fig. 2, the braking member includes a first arc braking plate 7 and a second arc braking plate 9 located outside the rotor 6, the first arc braking plate 7 and the second arc braking plate 9 are arranged oppositely, the first arc braking plate 7 is fixedly connected with the bracket 2 through a fixing frame 8, the first arc braking plate 7 is close to the rotor 6, a driving member is arranged on the second arc braking plate 9, and the driving member controls the second arc braking plate 9 to abut against the rotor 6 and brake the rotor 6 when the motor body 4 is powered off, through the function of the driving member, when the motor body 4 is powered off, the second arc braking plate 9 is driven to move towards the rotor 6, so that the second arc braking plate 9 can brake the rotor 6, the possibility that the rotor 6 still rotates under the power-off state of the motor body 4 is reduced, meanwhile, when the rotor 6 is normally used, the second arc braking plate 9 moves towards the direction far away from the rotor 6, and the second arc braking plate 9 does not affect the normal use of the rotor 6.

As shown in fig. 2, the driving member includes an ear seat 17 fixedly connected to the lower end surface of the mounting top plate 3, one end of the ear seat 17 away from the mounting top plate 3 is movably connected to an L-shaped rod 10, one end of the L-shaped rod 10 away from the ear seat 17 is fixedly connected to the second arc-shaped braking plate 9, a waist-shaped groove 13 is formed in the L-shaped rod 10, a limiting shaft 15 is slidably connected to the inside of the waist-shaped groove 13, a moving rod 14 is fixedly mounted on the outer side of the limiting shaft 15, the moving rod 14 is transversely disposed, one end of the moving rod 14 is fixedly mounted to a first spring 16, an L-shaped frame 18 is fixedly mounted on the support 2, one end of the first spring 16 away from the moving rod 14 is fixedly connected to the L-shaped frame 18, a control member is disposed on the support 2 to control the moving rod 14 to move in the horizontal direction to drive the moving rod 14 to slide in the horizontal direction, the limiting shaft 15 fixedly connected to the moving rod 14 slides in the horizontal direction, the limiting shaft 15 abuts against the waist-shaped groove 13, the rotor can drive the L-shaped rod 10 to rotate around the second arc-shaped braking plate 9, and the rotor 6 can act on the second arc-shaped braking plate when the second arc-shaped rotor.

As shown in fig. 3, the control member includes a frame body housing 19 fixedly connected to the bracket 2, a mounting groove 20 is formed in the frame body housing 19, an axial connecting frame 21 is fixedly mounted in the mounting groove 20, a sliding groove 11 is formed in a side of the frame body housing 19 close to the moving rod 14, one end of the moving rod 14 far away from the first spring 16 extends into the mounting groove 20 through the sliding groove 11, an armature 24 is fixedly mounted at one end of the moving rod 14 extending into the mounting groove 20, the armature 24 is slidably connected to the connecting frame 21, the armature 24 is slidably connected to a side wall of the mounting groove 20 through a sliding way, the armature 24 is fixedly connected to the connecting frame 21 through the second spring 12, an electromagnetic coil 22 is fixedly mounted on the connecting frame 21, an iron core 23 adapted to the armature 24 is fixedly mounted at one end of the electromagnetic coil 22 far away from the connecting frame 21, the iron core 23 is electrically connected to the motor body 4 in series, when the motor body 4 is normally powered on, a magnetic field is generated in the mounting groove 20, so that the iron core 23 has a sufficiently large attraction force, the iron core 23 attracts the armature 24, the armature 24 moves towards the iron core 23, the second spring 12 is compressed, the movement of the armature 24 drives the moving rod 14 fixedly connected with the armature 24 to move in the horizontal direction, the movement of the moving rod 14 causes the first spring 16 to be stretched, meanwhile, the movement of the moving rod 14 drives the limiting shaft 15 fixedly connected with the moving rod 14 to move, the movement of the limiting shaft 15 drives the L-shaped rod 10 to rotate around the lug seat 17, the rotation of the L-shaped rod 10 drives the second arc-shaped braking plate 9 fixedly connected with the L-shaped rod 10 to rotate, the second arc-shaped braking plate 9 does not abut against the rotor 6, the second arc-shaped braking plate 9 does not affect the normal operation of the rotor 6, when the motor body 4 is powered off or the voltage is significantly reduced, the magnetic force of the iron core 23 disappears or is too small, armature 24 returns to the initial state under the effect of second spring 12, and first spring 16 kick-backs, drives movable rod 14 and slides towards the direction of L type frame 18, and the sliding of movable rod 14 and spacing axle 15 can drive L type pole 10 and rotate towards the direction of rotor 6 this moment, and second arc braking plate 9 contradicts with rotor 6, plays the braking action to rotor 6 through the effect of second arc braking plate 9, reduces rotor 6 and still pivoted possibility under the outage state.

As shown in fig. 1, two adjacent brackets 2 are sleeved with a transverse C-shaped connecting plate 5,C type connecting plate 5 which is connected with the bracket 2 through a bolt, a motor body 4 is fixedly connected with the C-shaped connecting plate 5 through a bolt, and the possibility that the motor body 4 slides towards the direction of the second arc-shaped brake plate 9 due to vibration in the rotating process is reduced through the matching of the C-shaped connecting plate 5 and the motor body 4, so that the stability of the device is improved.

As shown in fig. 2, a high-elasticity rubber sealing block is arranged on one side of the first arc-shaped braking plate 7 facing the rotor 6, a first brake pad is fixedly arranged on one side of the high-elasticity rubber sealing block away from the first arc-shaped braking plate 7, an air inlet is arranged on one side of the high-elasticity rubber sealing block away from the rotor 6, the air inlet is fixedly connected with an air pump, when the rotor 6 is powered off, the air pump is opened, the high-elasticity rubber sealing block is inflated under the action of the air pump, the high-elasticity rubber sealing block expands, the first brake pad is mutually abutted to the rotor 6, the rotor 6 is braked under the action of the first brake pad, when the air pump pumps out air in the high-elasticity rubber sealing block, the volume of the high-elasticity rubber sealing block is reduced, the first brake pad is disconnected from the rotor 6, and the normal use of the rotor 6 is not influenced.

As shown in fig. 2, a second brake pad is fixedly mounted on one side of the second arc-shaped brake plate 9 facing the rotor 6, and the rotor 6 is braked by the cooperation of the first brake pad and the second brake pad.

When the motor body 4 is electrified and normally used, a magnetic field is generated in the mounting groove 20, so that the iron core 23 has a large enough suction force, the iron core 23 attracts the armature 24, the armature 24 moves towards the iron core 23, the second spring 12 is compressed, the movement of the armature 24 can drive the moving rod 14 fixedly connected with the armature 24 to move in the horizontal direction, the movement of the moving rod 14 can stretch the first spring 16, meanwhile, the movement of the moving rod 14 can drive the limiting shaft 15 fixedly connected with the moving rod 14 to move, the movement of the limiting shaft 15 can drive the L-shaped rod 10 to rotate around the lug seat 17, the rotation of the L-shaped rod 10 can drive the second arc-shaped braking plate 9 fixedly connected with the L-shaped rod 10 to rotate, the second arc-shaped braking plate 9 is not abutted against the rotor 6, the second arc-shaped braking plate 9 does not influence the normal work of the rotor 6, and when the air pump pumps out air in the high-elasticity rubber sealing block, the volume of the rubber block is reduced, the first braking plate is disconnected with the rotor 6, and the normal use of the rotor 6 is not influenced;

when the motor body 4 is powered off or the voltage is remarkably reduced, the magnetic force of the iron core 23 disappears or is too small, the armature 24 returns to the initial state under the action of the second spring 12, the first spring 16 rebounds to drive the movable rod 14 to slide towards the direction of the L-shaped frame 18, at the moment, the sliding of the movable rod 14 and the limiting shaft 15 drives the L-shaped rod 10 to rotate towards the direction of the rotor 6, the second arc-shaped braking plate 9 is abutted against the rotor 6, the rotor 6 is braked under the action of the second arc-shaped braking plate 9, and the possibility that the rotor 6 still rotates under the power-off state is reduced;

an elliptical wheel is fixedly mounted on the rotor 6 and is positioned between the first arc-shaped braking plate 7 and the second arc-shaped braking plate 9, when the motor body 4 is in a power-off state, the second arc-shaped braking plate 9 is abutted against the elliptical wheel, and the rotor 6 is braked through the matching of the elliptical wheel, the second arc-shaped braking plate 9 and the first arc-shaped braking plate 7;

simultaneously the staff observes can open the air pump under the circumstances of 4 outage of motor body, makes the sealed piece of high elasticity rubber aerify through the effect of air pump, and the sealed piece inflation of high elasticity rubber for oval wheel on first brake block and the rotor 6 is contradicted each other, plays braking action to rotor 6 through the effect of first brake block, plays braking action to rotor 6 through the cooperation of second arc braking vane 9 and first arc braking vane 7.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a motor brake structure, its characterized in that, includes mounting plate (1), the top of mounting plate (1) is equipped with installation roof (3), be equipped with axial support (2) between mounting plate (1) and installation roof (3), mounting plate (1), support (2) and installation roof (3) fixed connection, mounting plate (1) up end fixed mounting has motor body (4) that are located installation roof (3) below, it is connected with rotor (6) to rotate on motor body (4), be equipped with the braking piece that plays braking action to rotor (6) on support (2).

2. A motor brake structure as claimed in claim 1, wherein the brake member includes a first arc-shaped brake plate (7) and a second arc-shaped brake plate (9) located outside the rotor (6), the first arc-shaped brake plate (7) and the second arc-shaped brake plate (9) are disposed opposite to each other, the first arc-shaped brake plate (7) is fixedly connected with the bracket (2) through a fixing frame (8), the first arc-shaped brake plate (7) is close to the rotor (6), and a driving member for controlling the second arc-shaped brake plate (9) to abut against the rotor (6) and braking the rotor (6) when the motor body (4) is powered off is disposed on the second arc-shaped brake plate (9).

3. The motor brake structure of claim 2, wherein the driving member includes an ear seat (17) fixedly connected to a lower end surface of the mounting top plate (3), an end of the ear seat (17) facing away from the mounting top plate (3) is movably connected to an L-shaped rod (10), one end of the L-shaped rod (10) away from the ear seat (17) is fixedly connected to the second arc-shaped brake plate (9), the L-shaped rod (10) is provided with a waist-shaped groove (13), the waist-shaped groove (13) is connected to a limiting shaft (15) in a sliding manner, an outer side of the limiting shaft (15) is fixedly provided with a moving rod (14), the moving rod (14) is transversely disposed, one end of the moving rod (14) is fixedly provided with a first spring (16), the support (2) is fixedly provided with an L-shaped frame (18), one end of the first spring (16) away from the moving rod (14) is fixedly connected to the L-shaped frame (18), and the support (2) is provided with a control member (10) for controlling the moving rod (14) to move in a horizontal direction to drive the L-shaped rod (10) to rotate.

4. The motor brake structure of claim 3, wherein the control member includes a frame body housing (19) fixedly connected to the support (2), a mounting groove (20) is formed in the frame body housing (19), an axial connecting frame (21) is fixedly mounted in the mounting groove (20), a sliding groove (11) is formed in one side of the frame body housing (19) close to the moving rod (14), one end of the moving rod (14) far away from the first spring (16) extends into the mounting groove (20) through the sliding groove (11), one end of the moving rod (14) extending into the mounting groove (20) is fixedly mounted with an armature (24), the armature (24) is connected with the connecting frame (21) in a sliding manner, the armature (24) is connected with the side wall of the mounting groove (20) in a sliding manner through a sliding way, the armature (24) is fixedly connected with the connecting frame (21) through the second spring (12), an electromagnetic coil (22) is fixedly mounted on the connecting frame (21), one end of the electromagnetic coil (22) is fixedly mounted with the armature (24) far away from the connecting frame (21), and the iron core (23) is connected with the motor body (4) in series.

5. The motor brake structure according to claim 1, wherein two adjacent brackets (2) are sleeved with a transverse C-shaped connecting plate (5), the C-shaped connecting plate (5) is connected with the brackets (2) through bolts, and the motor body (4) is fixedly connected with the C-shaped connecting plate (5) through bolts.

6. An electric motor brake structure as claimed in claim 2, characterized in that a high-elasticity rubber sealing block is arranged on the side of the first arc-shaped brake plate (7) facing the rotor (6), a first brake pad is fixedly mounted on the side of the high-elasticity rubber sealing block facing away from the first arc-shaped brake plate (7), and an air inlet is arranged on the side of the high-elasticity rubber sealing block facing away from the rotor (6), and the air inlet is fixedly connected with an air pump.

7. An electric motor brake arrangement according to claim 2, characterised in that a second brake pad is fixedly mounted on the side of the second arcuate brake plate (9) facing the rotor (6).