CN217873911U

CN217873911U - Clutch brake device and clutch brake mechanical arm

Info

Publication number: CN217873911U
Application number: CN202221838093.1U
Authority: CN
Inventors: 张道东; 李春雨; 朱壮壮
Original assignee: Shanghai Handing Machinery Technology Co ltd
Current assignee: Shanghai Handing Machinery Technology Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-11-22
Anticipated expiration: 2032-07-15

Abstract

The application discloses separation and reunion arresting gear and separation and reunion braking arm. The clutch brake device comprises a fixed seat, a rotating frame, a brake component, a directional moving component and at least one pushing component. The rotating frame is arranged on the fixed seat in a mode of rotating around the fixed seat in the axial direction. The brake component comprises a brake disc, wherein the brake disc is fixedly arranged on the fixed seat. The directional moving member has a moving portion. The pushing piece is arranged on the rotating frame in a mode of pushing the moving portion to be attached to the brake disc through preset thrust, the moving portion is arranged on the rotating frame in a mode of moving relative to the rotating frame in a one-way mode along the axial direction of the fixed seat, the moving direction of the moving portion is opposite to the direction of the preset thrust, when the moving portion moves in the direction far away from the brake disc, the moving portion is separated from the brake disc, and the rotating frame can rotate around the fixed seat in the axial direction.

Description

Clutch braking device and clutch braking mechanical arm

Technical Field

The utility model relates to an industrial mechanical equipment technical field specifically is separation and reunion arresting gear and separation and reunion braking arm.

Background

In the industrial production field, many heavy, repetitive or meaningless flow operations are performed by using a robot arm having a plurality of degrees of freedom by rotational motions of a plurality of joints instead of a human.

The existing mechanical arm is equipped with a braking device, and the braking device is used for reducing the speed or stopping the degree of freedom of a certain joint of the mechanical arm. The braking device comprises a braking disc and a brake, the braking disc is arranged at one section of the mechanical arm, the braking disc can rotate along with the mechanical arm, the brake is arranged at one section of the mechanical arm, and the brake limits the rotation speed of the braking disc in a tightening or fitting mode. When the surface of the brake or the brake disc is stained or the mechanical arm is moved by a heavy object, the brake cannot be stably contacted with the brake disc, so that the brake cannot stably stop the rotation of the mechanical arm, and the mechanical arm is not firmly locked.

SUMMERY OF THE UTILITY MODEL

The utility model has the advantages of providing separation and reunion arresting gear, wherein the impeller can promote removal portion and brake disc cooperation with predetermined thrust, and the predetermined thrust of impeller can reduce external factors and influence the brake disc and remove a complex effect, makes the rotating turret be in stable brake state, and only at directional removal component work moreover, the rotating turret just can remove brake state.

The utility model discloses an advantage lies in providing separation and reunion arresting gear, wherein removal portion and sealing member cooperation form the cavity, promote the moving member with the help of gas for removal portion can reach the condition of motion with less mechanical structure, and simple structure and transmission are stable.

For reaching the utility model discloses above at least one advantage, the utility model provides a separation and reunion arresting gear, separation and reunion arresting gear includes:

a fixed seat;

a rotating frame; the rotating frame is arranged on the fixed seat in a manner of rotating around the axial direction of the fixed seat;

a brake component, wherein the brake component comprises a brake disc, and the brake disc is fixedly arranged on the fixed seat;

a directional moving member having a moving portion; and

the pushing piece is arranged on the rotating frame in a mode that a preset pushing force pushes the moving portion to be attached to the brake disc, the moving portion is arranged on the rotating frame in a mode that the moving portion can move relative to the rotating frame in a one-way mode along the axial direction of the fixed seat, the moving direction of the moving portion is opposite to the direction of the preset pushing force, when the moving portion moves in the direction far away from the brake disc, the moving portion is separated from the brake disc, and the rotating frame can rotate around the fixed seat in the axial direction.

According to an embodiment of the invention, the directionally moving member is implemented as a pushing unit located between the brake disc and the rotating turret.

According to an embodiment of the present invention, the directional movement member is implemented as a cylinder, the cylinder includes a moving portion and a sealing member, wherein the moving portion can be followed the fixing seat axially movably set up in the rotating turret, the sealing member is sleeved in the fixing seat, the moving portion with the sealing member cooperation forms a cavity, the cavity is located the brake disc with between the moving portion to when high-pressure gas gets into the cavity, the moving portion moves towards keeping away from the direction of brake disc.

According to an embodiment of the present invention, the brake member further includes a brake structure provided between the brake disc and the moving portion in such a manner that the stability of the fit of the brake disc and the moving portion can be increased.

According to the utility model discloses an embodiment, the braking structure is implemented as gear structure, a terminal surface of brake disc is set up to the gear face, a terminal surface of removal portion is also set up to assorted gear face.

According to an embodiment of the present invention, the pushing member may be implemented as an elastic member, the elastic member is disposed in a compressed state between the moving portion and the rotating frame, so that the moving portion has the predetermined thrust to be fitted with the brake disc.

According to the utility model discloses an embodiment, the rotating turret includes a connecting portion, a bearing and a limit structure, wherein connecting portion pass through the bearing rotationally set up in the fixing base, limit structure is in order to restrict connecting portion wind fixing base turned angle's mode is set up in connecting portion.

According to the utility model discloses an embodiment, limit structure includes a mounting and a rotation piece, wherein the rotation piece is set up in connecting portion, the rotation piece is followed connecting portion rotate, wherein the mounting set up in the fixing base, and be located the rotation route of rotating the piece.

According to an embodiment of the present invention, the clutch brake device further includes a detection member, the detection member is configured to detect a movement amount of the moving portion.

For reaching the utility model discloses above at least one advantage, the utility model provides a separation and reunion braking arm, a serial communication port, separation and reunion braking arm includes:

a fixed arm;

a movable arm; and

in the clutch brake device according to any one of the above embodiments, the fixed arm is disposed on the fixed seat, and the movable arm is disposed on the rotating frame.

Drawings

Fig. 1 shows an exploded view of a clutch brake device according to the present invention.

Fig. 2 shows a front sectional view of the clutch brake device according to the present invention.

Fig. 3 shows a front view of the clutch brake device of the present invention.

Fig. 4 shows an axonometric view of the clutch-brake device according to the invention.

Fig. 5 shows a front view of the clutch brake mechanical arm of the present invention.

Detailed Description

The following description is provided to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The underlying principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships that are based on those shown in the drawings, which are merely for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus the terms are not to be construed as limiting the invention.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

Referring to fig. 1 to 5, a clutch brake device according to a preferred embodiment of the present invention will be described in detail below. The clutch brake device is suitable for stably braking the mechanical arm, so that the mechanical arm can be stably fixed, and the condition of slippage cannot occur. The clutch brake device comprises a rotating frame 10, a directional moving component 20, a brake component 30, a fixed seat 40 and at least one pushing component 50.

The turret 10 is disposed on the fixing base 40 so as to be axially rotatable about the fixing base 40.

The braking member 30 includes a brake disc 31, wherein the brake disc 31 is fixedly disposed on the fixing base 40.

The directional movement member 20 includes a moving portion 21.

The pushing member 50 is disposed on the rotating turret 10, and the pushing member 50 pushes the moving portion 21 to be attached to the brake disc 31 with a predetermined pushing force, so that the rotating turret 10 is in close contact with the brake disc 31 through the moving portion 21, and the rotating turret 10 cannot rotate around the axial direction of the fixed seat 40, thereby achieving the purpose of braking the rotating turret 10.

The moving portion 21 is disposed on the rotating frame 10 in a manner of being capable of moving in one direction relative to the rotating frame 10 along the axial direction of the fixing seat 40, the moving direction of the moving portion 21 is opposite to the direction of the predetermined thrust of the pushing member 50, and the thrust of the directional moving member 20 driving the moving portion 21 to move is greater than the thrust of the pushing member 50 pushing the moving portion 21 to move, that is, when the directional moving member 20 works, the moving portion 21 moves in a direction away from the brake disc 31. Only when the moving portion 21 moves in one direction, the moving portion 21 and the brake disc 31 are separated, and the turret 10 can rotate around the fixed seat 40. Under the action of the pushing member 50, the moving portion 21 can be stably attached to the brake disc 31, so that the rotating turret 10 is ensured to be always in a stable braking state, the rotating turret 10 can be prevented from sliding relative to the fixed seat 40, and the braking stability is improved.

Specifically, the directionally moving member 20 may be implemented as a pushing unit, such as an electric push rod, a hydraulic push rod, or a cylinder. The moving portion 21 is located between the brake disc 31 and the rotating frame 10. Preferably, the directional movement member 20 is implemented as a cylinder. The cylinder includes removal portion 21 and sealing member 22, wherein removal portion 21 can follow fixing base 40 axial displacement set up in rotating turret 10, wherein sealing member 22 is the annular quilt cover and establishes fixing base 40, removal portion 21 with sealing member 22 cooperation forms a cavity 201, cavity 201 has an opening with external gas intercommunication, cavity 201 is located brake disc 31 with between removal portion 21, when external high-pressure gas gets into the inside of cavity 201, removal portion 21 can be pushed by gas and move towards the direction of keeping away from brake disc 31, realizes removal portion 21 along the fixing base 40 axial is relative rotating turret 10 moves's mesh. The moving part 21 and the sealing member 22 cooperate to form the cavity 201, so that a stably moving directional moving member 20 can be formed with a small number of structures, and the directional moving member 20 has a simple structure and stable transmission, and stable braking of the rotating frame 10 is realized with a low failure rate.

In particular, the sealing element 22 is embodied as a piston sleeve which is annularly arranged on the fastening base 40.

The braking member 30 further includes a braking structure 32, and the braking structure 32 is disposed between the brake disc 31 and the moving portion 21 in a manner that can increase the stability of the fit between the brake disc 31 and the moving portion 21, so as to ensure that the brake disc 31 and the moving portion 21 are stably fitted, and thus the rotating frame 10 is stably braked.

In particular, the braking structure 32 may be implemented as a gear structure or a drag structure. The resistance increasing structure may be implemented as a rubber sheet, the rubber sheet is disposed on a contact surface between the brake disc 31 and the moving portion 21 or a contact surface between the moving portion 21 and the brake disc 31, and the rubber sheet may increase a friction force when the brake disc 31 and the moving portion 21 contact each other, thereby improving a braking effect of the turret 10. Preferably, the gear structure may be embodied as a face gear, that is, one end face of the brake disc 31 close to the moving portion 21 is a gear face, and one end face of the moving portion 21 is a gear face engaged with the gear face. When the end face of the brake disc 31 contacts with the end face of the moving part 21, the brake disc 31 is meshed with the moving part 21, the brake disc 31 can be stably matched with the moving part 21, the structure of end face teeth is adopted, the rotating frame 10 can be fixed more safely and reliably, the braking effect of the rotating frame 10 is improved, and the sliding condition of the rotating frame 10 is avoided.

The pushing member 50 may be implemented as an elastic member, which is disposed between the moving portion 21 and the rotating frame 10 in a compressed state, so that the moving portion 21 has a predetermined pushing force to be attached to the brake disc 31, and thus the moving portion 21 can be always attached to the brake disc 31, thereby ensuring that the rotating frame 10 is stably braked without an external force.

The rotating frame 10 includes a connecting portion 11, a bearing 12 and a limiting structure 13, wherein the connecting portion 11 is rotatably disposed on the fixing base 40 through the bearing 12. The limiting structure 13 is disposed on the connecting portion in a manner that can limit the rotation angle of the connecting portion 11 around the fixing seat.

Specifically, the elastic member is implemented as a spring, wherein a groove 101 is formed in one side of the connecting portion 11 close to the moving portion 21, and the spring is located inside the groove 101, so that the spring can be stably fixed to the connecting portion 11, and the spring can be ensured to stably push the moving portion 21.

The limiting structure 13 includes at least one fixing element 131 and a rotating element 132, wherein the rotating element 132 is disposed on the connecting portion 11, the rotating element 132 rotates along with the connecting portion 11, wherein the fixing element 131 is disposed on the fixing base 40 and is located on a rotation path of the rotating element 132, that is, when the rotating element 132 rotates, the rotating element 132 touches the fixing element 131, so as to limit a rotation angle of the rotating frame 10.

Specifically, the fixed part 131 is annularly sleeved on the fixed seat 40, the fixed part 131 protrudes outward along the radial direction of the fixed seat 40, and the rotating part 132 is parallel to the connecting part 11 in the axial direction of the fixed seat 40, so that the rotating part 132 may touch the fixed part 131 during the rotating process, and the fixed part 131 can block the rotating frame 10 from rotating. More specifically, the limiting structure 13 further includes an auxiliary element 133, the auxiliary element 133 is rotatably sleeved on the fixing base 40, one end of the rotating element 132 is fixedly connected to the connecting portion 11, and the rotating element 132 is fixedly connected to the auxiliary element 133, so as to better keep the rotating element 132 parallel to the fixing base 40. In addition, the number of the fixed parts 131 is two, and the rotation part 132 can be stably stopped.

Specifically, fixing base 40 with brake disc 31 adopts the key-type connection, the outer wall of fixing base 40 is provided with the keyway, brake disc 31 adopts the cooperation of key and keyway to be fixed in the upper end of fixing base 40.

More specifically, if the mating surface of the brake disc 31 faces downward, the mating surface of the moving part 21 also faces upward, and the moving part 21 moves upward under the pushing of the pushing member 50, so as to mate the brake disc 31 and the moving part 21.

Preferably, a dustproof cover 41 is disposed on the top of the fixing seat 40, the dustproof cover 41 is fixed on the fixing seat 40 by using a fixing nut, and the dustproof cover 41 covers the top of the brake disc 31, so as to prevent dust from entering between the moving portions 21 through the brake disc 31, and ensure that the brake disc 31 and the moving portions 21 are stably matched.

The clutch brake device further includes a detecting member 60, and the detecting member 60 is disposed on the connecting portion 11 in such a manner as to detect the amount of movement of the moving portion 21. The detecting member 60 is provided in the connecting portion 11 so as to detect the amount of movement of the movable portion 21 in real time, and thus the state of the fixing base 40 can be determined, which facilitates to know whether the turret 10 is in a braking state or a rotatable state.

The detecting member 60 includes a detecting unit 61 and a detected part 62, wherein the detected part 62 is fixedly disposed on the moving part 21, the detected part 62 moves synchronously with the movement of the moving part 21, the detecting unit 61 is fixedly disposed on the connecting part 11, the detecting unit 61 detects the distance between itself and the detected part 62, thereby reflecting the movement amount of the moving part 21 and monitoring the state of the rotating frame 10 in real time. In particular, the detection unit 61 may be implemented as a displacement sensor, fixed to the turret 10 with a bracket 63.

The detecting member 60 further includes a display member electrically connected to the detecting unit 61. The display component is used for displaying the state of the rotating frame 10, and the display component can be specifically implemented as a display screen, a buzzer or an indicator light, so that the display component can feed back the detection result of the detection unit 61 in an acousto-optic and electric mode, so that an operator can quickly know the state of the rotating frame 10, and the clutch brake device is suitable for remote control and fault finding.

The clutch brake mechanical arm comprises a fixed arm 901, a movable arm 902 and the clutch brake device, wherein the fixed arm 901 is fixedly arranged on the fixed seat 40, the movable arm 902 is arranged on the rotating frame 10, and when the movable arm 902 needs to rotate around the fixed seat 40, the clutch brake device enables the movable part 21 to be separated from the brake disc 31, so that the movable arm 902 can rotate around the fixed seat 40. Due to the action of the push member 50, the moving portion 21 can be stably engaged with the brake disc 31, and even when a heavy object is loaded on the movable arm 901, the movable arm 901 can be in a stable braking state. So that the robot arm can work normally and stably.

The movable arm 902 is rotatably provided to the turret 10. The rotating frame 10 is provided with at least two mounting plates 903, the movable arm 902 is hinged to the mounting plates 903 through a rotating shaft 904, so that the movable arm 902 is hinged to the rotating frame 10, the movable arm 902 further comprises a movable arm cylinder 905, and the movable arm cylinder 905 is arranged to push the movable arm 902 to rotate around the rotating shaft 904.

It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The advantages of the present invention are already complete and effectively realized. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.

Claims

1. Clutch brake device, characterized in that, clutch brake device includes:

a fixed seat;

a rotating frame; the rotating frame is arranged on the fixed seat in a manner of rotating around the fixed seat in the axial direction;

a directional moving member having a moving portion; and

the pushing piece is arranged on the rotating frame in a mode of pushing the moving portion to be attached to the brake disc by preset thrust, the moving portion is arranged on the rotating frame in a mode of moving relative to the rotating frame in a one-way mode along the axial direction of the fixed seat, the moving direction of the moving portion is opposite to the direction of the preset thrust, when the moving portion moves in the direction far away from the brake disc, the moving portion is separated from the brake disc, and the rotating frame can rotate around the fixed seat in the axial direction.

2. The clutched brake device of claim 1, wherein the directional-movement member is implemented as a pushing unit located between the brake disc and the turret.

3. The clutched and brake device of claim 1, wherein the directional movement member is implemented as a cylinder including a moving portion and a sealing member, wherein the moving portion is axially movably disposed on the turret along the fixed seat, the sealing member is sleeved on the fixed seat, and the moving portion and the sealing member cooperate to form a cavity between the brake disc and the moving portion, such that when high-pressure gas enters the cavity, the moving portion moves away from the brake disc.

4. The clutched brake device of claim 1, wherein the brake member further comprises a brake structure disposed between the brake disc and the moving portion in a manner that increases stability of engagement of the brake disc with the moving portion.

5. A clutched brake device as claimed in claim 4, wherein the brake arrangement is implemented as a gear arrangement, one end face of the brake disc being provided as a gear face, and one end face of the moving part also being provided as a matching gear face.

6. The clutched brake device of claim 1, wherein the push member may be implemented as an elastic member disposed in a compressed state between the moving portion and the turret so that the moving portion has the predetermined thrust to engage with the brake disc.

7. The clutch brake device as claimed in claim 1, wherein the rotating frame includes a connecting portion, a bearing, and a limiting structure, wherein the connecting portion is rotatably disposed on the fixing base via the bearing, and the limiting structure is disposed on the connecting portion in such a manner as to limit a rotation angle of the connecting portion around the fixing base.

8. The clutched and brake device of claim 7, wherein the stop structure comprises a fixed member and a rotating member, wherein the rotating member is disposed at the connecting portion, and the rotating member rotates with the connecting portion, and wherein the fixed member is disposed at the fixed seat and located in a rotational path of the rotating member.

9. The clutch brake device according to claim 8, further comprising a detecting member provided at the connecting portion in such a manner as to detect the amount of movement of the moving portion.

10. Clutch brake arm, its characterized in that, clutch brake arm includes:

a fixed arm;

a movable arm; and

the clutch brake device as claimed in any one of claims 1 to 9, wherein said fixed arm is disposed on said fixed base, and said movable arm is disposed on said rotating frame.