CN218984797U

CN218984797U - Quick-change device

Info

Publication number: CN218984797U
Application number: CN202222836022.4U
Authority: CN
Inventors: 曾利飞
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-05-09
Anticipated expiration: 2032-10-26

Abstract

The utility model relates to the technical field of robots and discloses a quick-change device which comprises a first mounting seat, a second connecting structure, a first connecting structure and a fixing seat; the first mounting seat is used for connecting with the working module; the first connecting structure is arranged on the first mounting seat, the first connecting structure can be detachably connected with the second connecting structure, one of the second connecting structure and the first connecting structure can be relatively fixed, and the other of the second connecting structure and the first connecting structure can be relatively separated. In the quick-change device disclosed by the disclosure, the disassembly and assembly between the second connecting structure and the first connecting structure do not need manual operation, and the disassembly and assembly efficiency is high.

Description

Quick-change device

Technical Field

The disclosure relates to the technical field of robots, and in particular relates to a quick-change device.

Background

The mechanical arm of the robot is generally provided with a working module, and different working modules can bear different operations according to specific operation requirements.

At present, the work module and the mechanical arm are assembled and disassembled manually, and the assembly and disassembly efficiency is low.

Disclosure of Invention

The present disclosure provides a quick change device to solve among the prior art work module and first mount pad dismouting inefficiency's technical problem.

In order to solve the above technical problem, the present disclosure provides a quick-change device, including:

the first mounting seat is used for connecting the working module;

the first connecting structure is arranged on the first mounting seat;

and a fixed area is arranged on the first mounting seat.

Optionally, the quick-change device further comprises a fixing seat, a clamping groove is formed in the fixing seat, the first mounting seat further comprises a clamping block, and the clamping block is arranged in the fixing area;

the clamping block can be detachably clamped in the clamping groove, so that the first mounting seat is fixed on the fixing seat;

the clamping block is disc-shaped, the clamping groove comprises a fan-shaped accommodating cavity, and the clamping block can be detachably clamped in the accommodating cavity;

the second connection structure includes a second absorbent member.

The present disclosure also provides a quick change device, comprising:

the first mounting seat is used for connecting the working module;

a second connection structure;

the first connecting structure is arranged on the first mounting seat and can be detachably connected with the second connecting structure;

one of the second connection structure and the first connection structure can be relatively fixed, and the other of the second connection structure and the first connection structure can be relatively separated.

Optionally, the quick-change device further comprises a second mounting seat, a rotation driving element and a rotation shaft;

the second mounting seat is used for being connected with the mechanical arm, the rotation driving element is mounted on the second mounting seat, the rotating shaft is mounted on the rotation driving element, and the second connecting structure is mounted on the rotating shaft.

Optionally, a first accommodating hole is formed in the first mounting seat, and the first connection structure is located in the first accommodating hole;

the periphery of the rotating shaft is provided with a guide groove, the first mounting seat comprises a guide block, and the guide block is positioned on the inner wall of the first accommodating hole; or the rotating shaft comprises the guide block, the guide block is positioned on the peripheral surface of the rotating shaft, and the guide groove is formed in the inner wall of the first accommodating hole;

the guide groove and the guide block are arranged along the axial direction of the rotating shaft, and the guide block and the guide groove can be matched with each other to guide the rotating shaft to extend into the first accommodating hole.

Optionally, the quick-change device further comprises a slider and an elastic element;

the first mounting seat is provided with a second accommodating hole, the sliding block is slidably mounted in the second accommodating hole, the elastic element is propped between the sliding block and the bottom of the second accommodating hole, and the first accommodating hole is formed in one end of the sliding block, which is close to the rotating shaft.

Optionally, a limiting groove is formed in the inner wall of the second accommodating hole, the sliding block comprises a limiting block, and the limiting block is located on the peripheral surface of the sliding block; or the first mounting seat comprises the limiting block, the limiting block is positioned on the inner wall of the second accommodating hole, and the limiting groove is formed in the peripheral surface of the sliding block;

the limiting groove and the limiting block are arranged along the axial direction of the rotating shaft.

Optionally, the guide block includes a first tip portion, the guide groove includes a second tip portion, the first tip portion and the second tip portion are mutually matched, and the first tip portion and the second tip portion are disposed along an axial direction of the rotating shaft.

Optionally, the second connection structure comprises a second absorbent member, the first connection structure comprises a first absorbent member, and the second absorbent member and the first absorbent member are capable of being attracted to each other.

Optionally, the second adsorption piece comprises a second magnetic adsorption piece, the first adsorption piece comprises a first magnetic adsorption piece, and the second magnetic adsorption piece and the first magnetic adsorption piece can attract each other.

Optionally, the device further comprises a fixing seat, wherein a clamping groove is formed in the fixing seat, and the first mounting seat further comprises a clamping block;

the clamping block can be detachably clamped in the clamping groove, so that the first mounting seat is fixed on the fixing seat.

Optionally, the clamping block is disc-shaped, the clamping groove comprises a fan-shaped accommodating cavity, and the clamping block can be detachably clamped in the accommodating cavity.

Compared with the prior art, in the quick-change device disclosed by the disclosure, the mechanical arm and the first mounting seat are not required to be dismounted manually, and the dismounting efficiency is high.

In another quick-change device of the present disclosure, when the second connection structure and the first connection structure are in a separated state, the second connection structure and the first connection structure are driven to approach each other by external force, and when the second connection structure and the first connection structure are connected, the mechanical arm can drive the working module to work through the second mounting seat and the first mounting seat. When the first mounting seat and the second mounting seat are required to be detached from each other, one of the second connecting structure and the first connecting structure is fixed, and the second connecting structure and the first connecting structure are driven to be separated relatively by external force. In the quick-change device disclosed by the disclosure, the disassembly and assembly between the second connecting structure and the first connecting structure do not need manual operation, and the disassembly and assembly efficiency is high.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to scale, unless expressly stated otherwise.

FIG. 1 is a schematic diagram of a quick-change device according to an embodiment of the disclosure;

FIG. 2 is an exploded view of a quick change device according to one embodiment of the present disclosure;

FIG. 3 is a cross-sectional view of a quick-change device according to an embodiment of the disclosure;

FIG. 4 is another exploded view of a quick change device according to one embodiment of the present disclosure;

FIG. 5 is a diagram illustrating a connection relationship between a rotation shaft and a slider according to an embodiment of the present disclosure.

Detailed Description

In order to facilitate an understanding of the present disclosure, the present disclosure is described in more detail below in conjunction with the accompanying drawings and specific examples. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like are used in this specification for purposes of illustration only.

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

Furthermore, the terms first, second, third and the like in the description and in the claims, are used for descriptive purposes only and are not necessarily for describing relative importance or to indicate the number of features indicated or the order or timing of the description. The terms are interchangeable where appropriate. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

Similarly, the terms "fixed," "connected," and "connected" are used throughout the description and claims and should not be construed as limited to a direct connection. Thus, the expression "device a is connected to device B" should not be limited to devices or systems in which device a is directly connected to device B, meaning that there is a path between device a and device B, which may be a path that includes other devices or tools.

In addition, the technical features referred to in the different embodiments of the present disclosure described below may be combined with each other as long as they do not make a conflict with each other.

Referring to fig. 1 and 2, a quick-change device 100 includes a first mounting base 20 and a first connection structure 40; the first mounting base 20 is provided with a fixing area, and the first mounting base 20 is used for connecting a working module (not shown in the figure); the first connection structure 40 is mounted on the first mounting base 20, and the first connection structure 40 can be connected to an external device.

In the quick-change device 100 of the present embodiment, the external device may clamp the first mounting base 20 through the first connection structure 40, thereby driving the working module to work. The first mount 20 may be fixed by the fixing region so that the external device and the first connection structure 40 are separated from each other. The external device may be a mechanical arm, etc., and the mechanical arm may be provided with a second connection structure 30 that can be detachably connected to the first connection structure 40. In the quick-change device 100 of the embodiment, the mechanical arm and the first mounting seat 20 are not required to be assembled and disassembled manually, and the assembly and disassembly efficiency is high.

In one embodiment, a quick-change device 100 includes a first mounting base 20, a second connection structure 30, and a first connection structure 40; the first mounting base 20 is provided with a fixing area, and the first mounting base 20 is used for connecting a working module (not shown in the figure); a first connection structure 40 is mounted on the first mounting base 20, and the first connection structure 40 can be detachably connected with the second connection structure 30.

The disassembly and assembly principle of the quick-change device 100 of the present embodiment is as follows:

when the second connecting structure 30 and the first connecting structure 40 are in a separated state, the second connecting structure 30 and the first connecting structure 40 are driven to be close to each other by external force, and when the second connecting structure 30 and the first connecting structure 40 are connected, the mechanical arm can drive the working module to work through the second mounting seat 10 and the first mounting seat 20.

When the first mounting seat 20 and the second mounting seat 10 need to be detached from each other, one of the second connecting structure 30 and the first connecting structure 40 is fixed, and the second connecting structure 30 and the first connecting structure 40 are driven to be separated relatively by external force. In the quick-change device 100 of the embodiment, the mechanical arm and the first mounting seat 20 are not required to be assembled and disassembled manually, and the assembly and disassembly efficiency is high.

In an embodiment, when the quick-change device 100 is applied to a robot, the quick-change device 100 further includes a second mount 10, where the second mount 10 is used for connecting with a mechanical arm (not shown); a second connection structure 30 is mounted on the second mount 10; different working modules, such as cleaning brushes, spray heads, etc., can be mounted on the first mounting base 20 according to different working requirements, such as in the field of cleaning robot technology. It is understood that the quick-change device 100 of the present embodiment can also be applied to other fields.

In one embodiment, the quick-change device 100 further comprises a rotation driving element 60 and a rotation shaft 70; the rotation driving element 60 is mounted on the second mounting base 10, the rotation shaft 70 is mounted on the rotation driving element 60, and the second connection structure 30 is mounted on the rotation shaft 70.

The rotary driving element 60 may be a motor or the like, and the motor may be controlled by a control circuit, a singlechip, or the like. When the working module is a cleaning brush, a spray head, or the like, the rotation driving element 60 drives the rotation shaft 70 to rotate, and the rotation shaft 70 drives the first mounting seat 20 on the second mounting seat 10 and the cleaning brush or the spray head thereof to rotate. Is especially suitable for cleaning operation in the field of cleaning robots.

Referring to fig. 3 and 4, in an embodiment, the first mounting base 20 is provided with a first accommodating hole 22, and the first connecting structure 40 is located in the first accommodating hole 22; the circumference of the rotating shaft 70 is provided with a guide groove 72, the first mounting seat 20 comprises a guide block 24, and the guide block 24 is positioned on the inner wall of the first accommodating hole 22; the guide groove 72 and the guide block 24 are disposed along an axial direction of the rotation shaft 70, and the guide block 24 and the guide groove 72 can be engaged with each other to guide the rotation shaft 70 to extend into the first accommodation hole 22.

The guide groove 72 and the guide block 24 can be cooperatively guided to enable the rotation shaft 70 and the first accommodation hole 22 to relatively move in the axial direction of the rotation shaft 70 and the axial direction of the first accommodation hole 22, wherein the axial direction of the rotation shaft 70 and the axial direction of the first accommodation hole 22 are the same direction. The rotation shaft 70 can be inserted into the first receiving hole 22 by the driving of the robot arm. The rotation shaft 70 can drive the second connection structure 30 to move to the first connection structure 40 in the first accommodating hole 22, so that the second connection structure 30 and the first connection structure 40 can be precisely connected, the rotation shaft 70 can be prevented from being deviated when extending into the first accommodating hole 22, and the connection efficiency of the second connection structure 30 and the first connection structure 40 can be improved.

It will be appreciated that the positions of the guide block 24 and the guide groove 72 may be interchanged, and thus, in an embodiment, the rotation shaft 70 may include the guide block 24, the guide block 24 may be located on the circumference of the rotation shaft 70, and the inner wall of the first receiving hole 22 may be provided with the guide groove 72.

In one embodiment, the quick-change device 100 further includes a slider 80 and a resilient member 90; the first mounting seat 20 is provided with a second accommodating hole 26, the sliding block 80 is slidably mounted in the second accommodating hole 26, the elastic element 90 is abutted between the sliding block 80 and the bottom of the second accommodating hole 26, and the first accommodating hole 22 is arranged at one end of the sliding block 80 close to the rotating shaft 70.

When the rotating shaft 70 is driven by the mechanical arm to extend into the first accommodating hole 22, the end of the rotating shaft 70 can push the sliding block 80 to compress the elastic element 90 when the second connecting structure 30 and the first connecting structure 40 are contacted with each other, and meanwhile, the elastic element 90 also acts on the rotating shaft 70 in a reaction mode through the sliding block 80, so that the second connecting structure 30 and the first connecting structure 40 between the rotating shaft 70 and the sliding block 80 are tightly connected, the second connecting structure 30 and the first connecting structure 40 are prevented from being separated from each other, and the connection strength of the second connecting structure 30 and the first connecting structure 40 is ensured. The elastic element 90 is a spring, one end of which is fixedly connected to the bottom of the second accommodating hole 26, and the other end of which is fixedly connected to the end of the slider 80 away from the rotation shaft 70.

In an embodiment, the first mounting seat 20 includes a limiting block 262, the limiting block 262 is located on an inner wall of the second accommodating hole 26, a limiting groove 82 is disposed on a peripheral surface of the slider 80, and the limiting groove 82 and the limiting block 262 are disposed along an axial direction of the rotating shaft 70.

The limiting groove 82 and the limiting block 262 can limit each other, so that the sliding block 80 can axially move along the second accommodating hole 26, and when the sliding block 80 moves along the second accommodating hole 26, the sliding block 80 can only axially move along the second accommodating hole 26, and the sliding block 80 cannot rotate relative to the second accommodating hole 26.

In a specific embodiment, the limiting groove 82 is a bar-shaped groove, and the limiting block 262 is a bar-shaped block. The bar-shaped groove and the bar-shaped block are disposed along the axial direction of the second accommodation hole 26. The number of the strip-shaped grooves and the strip-shaped blocks is three, the three strip-shaped grooves are uniformly distributed along the peripheral surface of the second accommodating hole 26, and the three strip-shaped blocks are uniformly distributed along the peripheral surface of the sliding block 80. The three strip-shaped blocks are respectively arranged in one strip-shaped groove in a sliding way.

It will be appreciated that the positions of the limiting groove 82 and the limiting block 262 may be interchanged, and thus, in an embodiment, the inner wall of the second accommodating hole 26 may be provided with the limiting groove 82, and the slider 80 may include the limiting block 262, and the limiting block 262 is located on the peripheral surface of the slider 80.

In an embodiment, the quick-change device 100 further includes a fixing base 50, and the fixing base 50 is used for fixing the first mounting base 20. The first mounting seat 20 further comprises a clamping block 28, and the fixing seat 50 is provided with a clamping groove 52; the clamping block 28 can be detachably clamped in the clamping groove 52, so that the first mounting seat 20 is fixed on the fixing seat 50.

When the second mounting seat 10 and the first mounting seat 20 need to be separated, the clamping block 28 of the first mounting seat 20 is driven by the mechanical arm to move to the clamping groove 52 of the fixing seat 50, and the clamping block 28 is fixed on the clamping groove 52. The mechanical arm is taken away from the second mounting seat 10, and the second connecting structure 30 and the first connecting structure 40 are separated, so that the second mounting seat 10 and the first mounting seat 20 are separated.

In an embodiment, the clamping block 28 is disc-shaped, and the clamping groove 52 includes a fan-shaped accommodating chamber, and the clamping block 28 can be detachably clamped in the accommodating chamber.

Under the drive of the mechanical arm, the disc-shaped clamping block 28 can be clamped into the fan-shaped accommodating cavity, the accommodating cavity can fix the clamping block 28, and when the mechanical arm drives the second mounting seat 10 to leave, the second mounting seat 10 and the first mounting seat 20 can be separated. When the clamping block 28 is disc-shaped, any end of the clamping block 28 can be clamped into the accommodating chamber, so that the clamping block 28 and the accommodating chamber can be aligned and clamped conveniently.

In a preferred embodiment, the angle of the fan is 180 ° to facilitate the clamping of the disc-shaped clamp 28 into the receiving chamber.

It should be understood that the latch 28 and the latch 52 may be other structures capable of being connected and disconnected, such as a magnet connection structure, an adsorption connection structure, etc., which are not exhaustive herein. When the clamping block 28 and the clamping groove 52 are of a magnet connection structure and an adsorption connection structure, only the requirement that the adsorption force of the clamping block 28 and the clamping groove 52 is larger than that of the second connection structure 30 and the first connection structure 40 is met, so that the fixing seat 50 can fix the first mounting seat 20, and the second mounting seat 10 and the first mounting seat 20 are separated.

Referring to fig. 5, in an embodiment, the guide block 24 includes a first tip 242, the guide groove 72 includes a second tip 722, the first tip 242 and the second tip 722 cooperate with each other, and the first tip 242 and the second tip 722 are disposed along an axial direction of the rotating shaft 70. The first and

second tips

242 and 722 are capable of mating and guiding with each other. The guide block 24 and the guide groove 72 can be smoothly clamped in, so that the rotating shaft 70 can be smoothly extended into the first accommodating hole 22, and the connection efficiency of the second connecting structure 30 and the first connecting structure 40 is improved. Wherein, the first tip 242 and the second tip 722 may be along the axial direction of the rotation shaft 70 and toward the second mount 10, and the first tip 242 and the second tip 722 may also be along the axial direction of the rotation shaft 70 and toward the first mount 20. The number of the first tips 242 is three or more, and each of the first tips 242 is uniformly distributed along the circumferential surface of the guide block 24. Correspondingly, the number of the second tips 722 is also three or more, and each first tip 242 can be snapped into a corresponding second tip 722.

In one embodiment, the second connection structure 30 comprises a second absorbent member and the first connection structure 40 comprises a first absorbent member, the second absorbent member and the first absorbent member being capable of being attracted to each other.

The second mount 10 and the first mount 20 can be connected by suction connection of the second suction member and the first suction member. In a specific embodiment, at least one of the second absorbing member and the first absorbing member is a sucker, and when the second absorbing member and the first absorbing member are close to each other, the second absorbing member and the first absorbing member can be connected in an absorbing manner, so that the connection is convenient. The second absorbent member and the first absorbent member may be magnets or the like.

It will be appreciated that the second connection structure 30 and the first connection structure 40 may be connected by other manners, such as mechanical connection, snap connection, etc., and the second connection structure 30 and the first connection structure 40 are not exhaustive herein.

In an embodiment, the second adsorbing member includes a second magnetic adsorbing member, and the first adsorbing member includes a first magnetic adsorbing member, and the second magnetic adsorbing member and the first magnetic adsorbing member are capable of attracting each other. Two of the second magnetic attraction piece and the first magnetic attraction piece are magnets, and the two magnets can attract each other. Alternatively, one of the second magnetic attraction member and the first magnetic attraction member is a magnet, and the other is a metal that can be attracted by the magnet, such as nickel, iron, cobalt, or the like. When the second magnetic attraction piece and the first magnetic attraction piece are close to each other, the second magnetic attraction piece and the first magnetic attraction piece can be in adsorption connection, and connection is convenient.

Finally, it should be noted that: the above embodiments are merely for illustrating the technical solution of the present disclosure, and are not limiting thereof; the technical features of the above embodiments or in different embodiments may also be combined under the idea of the present disclosure, the steps may be implemented in any order, and there are many other variations of the different aspects of the present disclosure as described above, which are not provided in details for the sake of brevity; although the present disclosure has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in each embodiment can be modified or part of the technical features can be replaced equivalently; such modifications and substitutions do not depart from the essence of the corresponding technical solutions from the scope of the technical solutions of each embodiment of the present disclosure.

Claims

1. A quick change device, comprising:

the first mounting seat is used for connecting the working module;

the first connecting structure is arranged on the first mounting seat;

and a fixed area is arranged on the first mounting seat.

2. The quick change device according to claim 1, further comprising a fixing seat, wherein a clamping groove is formed in the fixing seat, and the first mounting seat further comprises a clamping block, wherein the clamping block is arranged in the fixing area;

the first connection structure includes a first absorbent member.

3. A quick change device, comprising:

the first mounting seat is used for connecting the working module;

a second connection structure;

and a fixed area is arranged on the first mounting seat.

4. A quick change device according to claim 3, further comprising a second mount, a rotational drive element and a rotational shaft;

5. The quick change device of claim 4, wherein the first mounting seat is provided with a first accommodating hole, and the first connecting structure is positioned in the first accommodating hole;

6. The quick change device of claim 5, further comprising a slider and a resilient member;

7. The quick change device according to claim 6, wherein the inner wall of the second accommodating hole is provided with a limit groove, the sliding block comprises a limit block, and the limit block is positioned on the peripheral surface of the sliding block; or the first mounting seat comprises the limiting block, the limiting block is positioned on the inner wall of the second accommodating hole, and the limiting groove is formed in the peripheral surface of the sliding block;

8. The quick change device of claim 5, wherein the guide block comprises a first tip portion and the guide groove comprises a second tip portion, the first tip portion and the second tip portion being mated with each other, the first tip portion and the second tip portion being disposed along an axial direction of the rotating shaft.

9. A quick change device according to any one of claims 3 to 8, wherein the second connection structure comprises a second absorbent member and the first connection structure comprises a first absorbent member, the second absorbent member and the first absorbent member being capable of being mutually attracted.

10. The quick change device of claim 9, wherein the first suction member comprises a first magnetic suction member and the second suction member comprises a second magnetic suction member, the second magnetic suction member and the first magnetic suction member being capable of attracting each other.

11. The quick change device according to any one of claims 3 to 8, further comprising a fixing base, wherein a clamping groove is formed in the fixing base, and the first mounting base further comprises a clamping block, wherein the clamping block is arranged in the fixing area;

12. The quick change device of claim 11, wherein the cartridge is disc-shaped, the slot includes a fan-shaped receiving cavity, and the cartridge is removably engageable in the receiving cavity.