CN219379671U - Dismounting mechanism - Google Patents

Abstract

The application relates to fastener erection equipment field aims at solving dismouting equipment and fastener pine and takes off, causes the problem that the performance of dismouting equipment dismouting fastener reduces, provides dismouting mechanism. The dismounting mechanism comprises a rotating assembly, a plurality of clamping pieces, a plurality of elastic pieces and a supporting piece. The rotating assembly comprises a rotating block, and a plurality of clamping pieces are used for clamping a fastening piece and can rotate along with the rotating block. The elastic pieces are respectively and elastically supported between the clamping pieces and the rotating block so as to clamp the fastening piece and drive the fastening piece to rotate. The abutting piece can move along a first direction relative to the clamping pieces, so that the clamping pieces are far away from each other along the radial direction of the rotating block to loosen the fastening piece. The dismouting mechanism that this application provided is at the tight fastener of drive fastener pivoted in-process clamp, avoids fastener and dismouting mechanism to loosen at the in-process pine of dismouting, and dismouting mechanism loosens the fastener after the fastener dismouting finishes to reach the effect that promotes the automatic dismouting fastener performance of dismouting mechanism.

Description

Dismounting mechanism

Technical Field

The application relates to the field of fastener installation equipment, and specifically relates to a disassembly and assembly mechanism.

Background

Product assembly may be connected with fasteners (e.g., screws), with the fasteners being removed.

Fastener dismouting equipment among the prior art, at the in-process of dismouting fastener, the condition that dismouting equipment and fastener take off appears easily, for example the screw will rock when the final section distance of dismouting is about to separate with the product to the dismouting, leads to screw and dismouting equipment pine to take off, causes the performance reduction of dismouting equipment dismouting screw.

Disclosure of Invention

The application provides a dismouting mechanism to solve dismouting equipment and fastener pine and take off, cause the problem that the performance of dismouting equipment dismouting fastener reduces.

The embodiment of the application provides a disassembly and assembly mechanism, which comprises a rotating assembly, a plurality of clamping pieces, a plurality of elastic pieces and a supporting piece. The rotating assembly includes a rotating block rotatable along a rotational axis. The clamping pieces are used for clamping a fastening piece, are respectively slidably matched with the rotating block along the radial direction of the rotating block and can rotate along with the rotating block. The elastic pieces are respectively and elastically supported between the clamping pieces and the rotating blocks and are used for applying elastic force to the clamping pieces, which is close to each other along the radial direction of the rotating blocks, so as to clamp the fastening piece and drive the fastening piece to rotate. The supporting piece is movably matched with the rotating block along a first direction and can move along the first direction relative to the clamping pieces so as to apply force to the clamping pieces along the radial direction of the rotating block, so that the clamping pieces are far away from each other along the radial direction of the rotating block to loosen the fastening piece, and the first direction is perpendicular to the radial direction of the rotating block or inclined.

Compared with the prior art, the disassembly and assembly mechanism provided by the embodiment of the application drives the clamping piece to rotate through the rotating block, so that the clamping piece drives the fastener to rotate; the clamping piece is enabled to clamp the fastening piece elastically through the elastic piece, and the abutting piece is matched with the rotating block to enable the rotating block to overcome the elastic force to loosen the fastening piece, so that the clamping piece can clamp or loosen the fastening piece through the elastic force. The fastener is clamped by the dismounting mechanism in the process of driving the fastener to rotate, the fastener and the dismounting mechanism are prevented from loosening in the process of dismounting, and after the fastener is dismounted, the dismounting mechanism loosens the fastener, so that the effect of improving the performance of automatically dismounting the fastener by the dismounting mechanism is achieved.

In one possible implementation manner, the propping piece is provided with a propping end, the cross section of the propping end is a conical surface, the clamping piece is provided with an inclined surface, and the conical surface is matched with the inclined wedge of the inclined surface, so that the movement of the propping piece along the first direction can drive a plurality of clamping pieces to move along the radial direction of the rotating block.

In one possible implementation manner, the rotating block is provided with a first through hole and a plurality of accommodating grooves, the first through hole extends along the rotating shaft, and the abutting piece is movably arranged in the first through hole along the first direction. The holding grooves are respectively communicated with the first through holes, the holding pieces extend from the first through holes towards the circumferential outer surface of the rotating block along the radial direction of the rotating block, and the holding pieces are movably arranged in the holding grooves.

In one possible embodiment, the groove bottom of the receiving groove is spaced apart from the circumferential outer surface of the rotating block. The rotating block is further provided with a threaded hole, the threaded hole extends along the radial direction and is communicated with the outer peripheral surface of the rotating block and the accommodating groove, a locking screw is connected in the threaded hole in a threaded mode, one end of the elastic piece abuts against the locking screw, and the other end of the elastic piece abuts against the clamping piece.

In one possible embodiment, the clamping member includes a sliding portion and a clamping portion. The sliding part is arranged in the accommodating groove. The clamping part is integrally connected with the sliding part, the clamping part protrudes from the sliding part along the first direction, and the clamping parts can be mutually close to each other along the radial direction of the rotating block so as to jointly clamp the periphery of the fastener.

In one possible embodiment, the swivel assembly further comprises a swivel connection and a cover plate. The rotary connecting piece is in transmission connection with one end of the rotary block away from the clamping part, the rotary connecting piece is provided with a second through hole, the second through hole extends along the first direction, the second through hole is communicated with the first through hole, and the abutting piece is matched with the second through hole in a sliding mode and stretches into the first through hole. The cover plate is connected to one end of the rotating block, which is close to the clamping part, and is matched with and supports the sliding part along a first direction.

In one possible implementation manner, the rotating assembly further comprises a motor and a synchronizing wheel, the motor is in transmission connection with the synchronizing wheel, and the synchronizing wheel is sleeved on the circumferential surface of the rotating connecting piece so as to drive the rotating connecting piece to rotate.

In one possible embodiment, the rotating assembly further includes a housing member provided with a third through hole and a wear-resistant sleeve fixed to a circumferential surface of the third through hole, and the rotating block is provided in the third through hole and rotatably connected with the housing member through the wear-resistant sleeve.

In one possible implementation manner, the shell member is provided with a through hole, the through hole penetrates through the outer peripheral surface of the shell member and the third through hole, the rotating block is provided with a containing groove, the bottom surface of the containing groove is provided with a threaded hole along the radial direction of the rotating block, a locking screw is arranged in the threaded hole, one end of the elastic member abuts against the locking screw, the other end of the elastic member abuts against the clamping member, and the through hole can correspond to the threaded hole so as to be used for adjusting the locking screw.

In one possible implementation manner, the dismounting mechanism further comprises a telescopic cylinder, the telescopic cylinder is in transmission connection with the abutting piece, and the telescopic cylinder is used for driving the abutting piece to move along the first direction.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following description will briefly describe the drawings in the embodiments, it being understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a disassembly and assembly mechanism according to an embodiment of the present application;

FIG. 2 is a perspective view of a portion of the components of the disassembly and assembly mechanism of FIG. 1;

FIG. 3 is a perspective view of a clamp, a swivel assembly and a holder of the disassembly and assembly mechanism of FIG. 1;

FIG. 4 is a cross-sectional view of the disassembly and assembly mechanism of FIG. 3;

FIG. 5 is a cross-sectional view of the disassembly and assembly mechanism of FIG. 3 from another perspective;

fig. 6 is a cross-sectional view of a turning block of the attachment and detachment mechanism of fig. 5.

Description of main reference numerals:

dismounting mechanism 1

Rotating assembly 11

Rotating block 111

First through hole 112

Accommodation groove 113

Groove bottom surface 1131

Threaded hole 1132

Locking screw 1133

Groove side 1134

Swivel connection 114

Second through hole 1141

First disk portion 1142

Second disk portion 1143

Connection 1144

Cover plate 115

Motor 116

Synchronizing wheel 117

Shell 118

Third through hole 1181

Through hole 1182

Bearing 1183

Wear-resistant sleeve 119

Clamping member 12

Bevel 121

Sliding part 122

Clamping portion 123

Counterbore 124

Elastic member 13

Holding piece 14

Abutting end 141

Fastener 15

First direction 16

Rotation shaft 17

Telescopic cylinder 18

Rack 19

Bearing plate 191

Moving assembly 192

Pipeline 193

Part 194

Detailed Description

The following description of the technical solutions in the embodiments of the present application will be made clearly and completely with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments.

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 intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes 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 application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present application are described in detail below. The following embodiments and features of the embodiments may be combined with each other without collision.

Referring to fig. 1 to 6, the present embodiment provides a disassembling and assembling mechanism 1, which includes a rotating assembly 11, a plurality of clamping members 12, a plurality of elastic members 13 and a supporting member 14. The rotary assembly 11 includes a rotary block 111, the rotary block 111 being rotatable along a rotation axis 17. The clamping members 12 are used for clamping a fastening member 15, and the clamping members 12 are slidably engaged with the rotating block 111 along the radial direction of the rotating block 111, and can rotate along with the rotating block 111. The plurality of elastic members 13 are respectively elastically supported between the plurality of clamping members 12 and the rotating block 111 for applying elastic forces to the clamping members 12 in the radial direction of the rotating block 111 to approach each other to clamp the fastening member 15 and rotate the fastening member 15. The abutting piece 14 is movably matched with the rotating block 111 along a first direction 16, and can move along the first direction 16 relative to the clamping pieces 12 so as to apply force to the clamping pieces 12 along the radial direction of the rotating block 111, so that the clamping pieces 12 are far away from each other along the radial direction of the rotating block 111 to loosen the fastening piece 15, and the first direction 16 is perpendicular to the radial direction of the rotating block 111 or inclined.

In the dismounting mechanism 1 provided by the embodiment, the clamping piece 12 is driven to rotate by the rotating block 111, so that the clamping piece 12 drives the fastening piece 15 to rotate; the clamping member 12 is elastically clamped to the fastener 15 by the elastic member 13, and the abutting member 14 cooperates with the rotating block 111 to cause the rotating block 111 to overcome the elastic force to release the fastener 15, thereby realizing clamping or releasing of the fastener 15 by the elastic force by the clamping member 12. The fastener 15 is clamped in the process of driving the fastener 15 to rotate by the dismounting mechanism 1, the fastener 15 and the dismounting mechanism 1 are prevented from loosening in the dismounting process, and after the fastener 15 is dismounted, the fastener 15 is loosened by the dismounting mechanism 1, so that the performance of automatically dismounting the fastener 15 by the dismounting mechanism 1 is improved.

Alternatively, the fastener 15 may be a round head screw, or a pin, etc., and the fastener 15 is assembled and connected to a part 194 by the disassembling and assembling mechanism 1.

The elastic member 13 is a spring, and the distance between the elastic member 13 and the clamping member 12 and the rotating block 111 is adjusted by the abutting member 14, so that the elastic force applied to the clamping member 12 by the elastic member 13 is adjusted, so that the clamping member 12 can form enough friction force on the surface of the fastening member 15, and the clamping member 12 clamps the fastening member 15 under the action of the elastic force.

Referring to fig. 4, the supporting member 14 is a rod, such as a cylindrical rod, and the supporting member 14 extends along a first direction 16. The plurality of clamping members 12 are circumferentially fitted to the abutting member 14, and the abutting member 14 can be contacted with or separated from the plurality of clamping members 12. The supporting piece 14 moves downwards along the first direction 16, and after the supporting piece 14 stretches into the rotating block 111, the supporting piece 14 is simultaneously contacted with the clamping pieces 12, so that the clamping pieces 12 are mutually far away along the radial direction of the rotating block 111 to loosen the fastening piece 15; the holding member 14 moves upward along the first direction 16, and when the holding member 14 leaves the rotating block 111, the holding member 14 is separated from the plurality of holding members 12 at the same time, and the plurality of holding members 12 approach each other under the action of the elastic member 13 so as to clamp the fastening member 15.

In an embodiment, the supporting member 14 has a supporting end 141, the cross section of the supporting end 141 is a conical surface, the clamping member 12 has a slope 121, and the conical surface is in wedge fit with the slope 121, so that the movement of the supporting member 14 along the first direction 16 can drive the plurality of clamping members 12 to move along the radial direction of the rotating block 111.

The inclined surface 121 is disposed at one end of the clamping member 12 near the supporting member 14, and the supporting end 141 is disposed at one end of the supporting member 14 near the clamping member 12. The abutment end 141 is tapered, and the diameter of the abutment end 141 gradually decreases in the first direction 16 from a position away from the clamping member 12 toward a position close to the clamping member 12. The maximum diameter of the abutment end 141 is greater than the diameter of the fastener 15 so that the abutment end 141 can spread the clamp 12 a sufficient distance to release the fastener 15.

Referring to fig. 5 and fig. 6, in an embodiment, the rotating block 111 is provided with a first through hole 112 and a plurality of accommodating grooves 113, the first through hole 112 extends along the rotation axis 17, and the supporting member 14 is movably disposed in the first through hole 112 along the first direction 16. The plurality of receiving grooves 113 are respectively communicated with the first through holes 112, and extend from the first through holes 112 toward the circumferential outer surface of the rotating block 111 in the radial direction of the rotating block 111, and the clamping member 12 is movably provided to the receiving grooves 113.

The rotating block 111 is a cylinder, and the rotating block 111 rotates around the rotation shaft 17. The diameter of the first through hole 112 is larger than that of the abutting end 141, and the rotating block 111 is provided with a notch at a position of the first through hole 112 near the abutting end 141, wherein the notch is used for guiding, so that the abutting piece 14 can extend into the rotating block 111. The receiving groove 113 may have a rectangular parallelepiped shape, and the receiving groove 113 is used for guiding the movement of the clamping member 12 in the radial direction of the rotating block 111. Optionally, the accommodating groove 113 is penetrated along the first direction 16, which facilitates the processing and manufacturing of the rotating block 111.

In one embodiment, the groove bottom surface 1131 of the accommodating groove 113 is spaced from the circumferential outer surface of the rotating block 111. The rotating block 111 is further provided with a threaded hole 1132, the threaded hole 1132 extends along the radial direction and is communicated with the outer peripheral surface of the rotating block 111 and the accommodating groove 113, a locking screw 1133 is connected in the threaded hole 1132 in a threaded manner, one end of the elastic piece 13 abuts against the locking screw 1133, and the other end abuts against the clamping piece 12.

Specifically, the accommodating groove 113 is not penetrated in the radial direction of the rotating block 111, and the groove bottom surface 1131 is used to define the moving position of the clamping portion 123. The groove bottom surface 1131 is provided with two threaded holes 1132 along the first direction 16, one threaded hole 1132 is arranged near the abutting piece 14, and the other threaded hole 1132 is arranged near the clamping piece 12. The two elastic members 13 are respectively arranged at the two threaded holes 1132 of the accommodating groove 113, and the two elastic members 13 jointly support the clamping member 12, so that the clamping member 12 can stably move in the accommodating groove 113.

Alternatively, two or three holding members 12 may be provided, two or three receiving grooves 113 are provided correspondingly, the receiving grooves 113 are uniformly distributed along the circumferential direction of the rotating block 111, and the holding members 12 are uniformly distributed along the circumferential direction of the fastening member 15, so that the plurality of holding members 12 uniformly and stably hold the fastening member 15.

Further, the rotating block 111 is provided with a threaded hole 1132 in threaded fit with the locking screw 1133, and the elastic supporting force of the elastic member 13 in each accommodating groove 113 is adjusted by rotating the locking screw 1133, so that the friction force between the clamping member 12 and the fastening member 15 is adjusted, and the clamping member 12 can drive the fastening member 15 to rotate better. And the locking screw 1133 can be detached from the rotating block 111, so that the elastic piece 13 can be taken out from the rotating block 111 through the threaded hole 1132, thereby facilitating the replacement of the elastic piece 13 and facilitating the adjustment of the dismounting mechanism 1 to enable the dismounting mechanism to better clamp the fastener 15.

In one embodiment, the clamping member 12 includes a sliding portion 122 and a clamping portion 123. The sliding portion 122 is disposed in the accommodating groove 113. The clamping portion 123 is integrally connected with the sliding portion 122, the clamping portion 123 protrudes from the sliding portion 122 in the first direction 16, and the plurality of clamping portions 123 can be brought close to each other in the radial direction of the rotating block 111 to jointly clamp the outer periphery of the fastener 15.

Specifically, the inclined surface 121 is disposed at one end of the sliding portion 122 near the first through hole 112, one end of the sliding portion 122 near the bottom 1131 of the groove is connected to the elastic member 13, and the sliding portion 122 can move in the accommodating groove 113 to protrude into the first through hole 112, so as to drive the clamping portion 123 near the fastener 15. The abutting end 141 abuts against the inclined surface 121 so that the sliding portion 122 is retracted into the accommodating groove 113 to move the clamping portion 123 away from the fastener 15.

Optionally, a counter bore 124 is formed at an end of the sliding portion 122 near the bottom 1131 of the groove, the counter bore 124 is matched with the threaded hole 1132, and an end of the elastic member 13 extends into the sliding portion 122 through the counter bore 124, so that the elastic member 13 is elastically connected with the clamping member 12. The counterbore 124 guides the elastic force of the elastic member 13 so that the elastic member 13 elastically supports the clamping member 12 in the radial direction of the rotation block 111.

In one embodiment, the rotary assembly 11 further includes a rotary connection 114 and a cover plate 115. The rotating assembly 11 further comprises a rotating connection 114 and a cover plate 115. The rotary connecting piece 114 is connected to one end of the rotary block 111 away from the clamping portion 123 in a driving manner, the rotary connecting piece 114 is provided with a second through hole 1141, the second through hole 1141 extends along the first direction 16, the second through hole 1141 is communicated with the first through hole 112, and the supporting piece 14 is slidably matched with the second through hole 1141 and extends into the first through hole 112. The cover plate 115 is connected to an end of the rotating block 111 near the clamping portion 123, and cooperatively supports the sliding portion 122 along the first direction 16.

Specifically, the rotary connecting member 114 includes a first disc portion 1142, a second disc portion 1143, and a connecting portion 1144, the first disc portion 1142 is disposed at an end of the rotary connecting member 114 away from the rotary block 111, the second disc portion 1143 is disposed at an end of the rotary connecting member 114 near the rotary block 111, and the first disc portion 1142 and the second disc portion 1143 are connected by the connecting portion 1144. The second disc portion 1143 is fixedly connected to the rotating block 111, and the second disc portion 1143 and the cover plate 115 are blocked at two ends of the through hole 113 along the first direction 16 together, so as to limit the movement of the sliding portion 122 along the first direction 16.

In an embodiment, the rotating assembly 11 further includes a motor 116 and a synchronizing wheel 117, the motor 116 is in driving connection with the synchronizing wheel 117, and the synchronizing wheel 117 is sleeved on the circumferential surface of the rotating connecting member 114 to drive the rotating connecting member 114 to rotate.

Alternatively, the synchronizing wheel 117 is sleeved on the circumferential surface of the first disc portion 1142, and the motor 116 drives the synchronizing wheel 117 to move, and the synchronizing wheel 117 drives the first disc portion 1142 to rotate, so that the second disc portion 1143 drives the rotating block 111 to rotate.

In one embodiment, the rotating assembly 11 further includes a housing 118 and a wear-resistant sleeve 119, the housing 118 is provided with a third through hole 1181, the wear-resistant sleeve 119 is fixed on a circumferential surface of the third through hole 1181, and the rotating block 111 is disposed in the third through hole 1181 and is rotatably connected with the housing 118 through the wear-resistant sleeve 119.

Optionally, the casing 118 is a hollow cylinder, and a bearing 1183 is disposed at an end of the casing 118 near the second disc portion 1143, where the bearing 1183 is embedded in the third through hole 1181, and the bearing 1183 is matched with the casing 118. The second disk portion 1143 is rotatably coupled to the bearing 1183, and the second disk portion 1143 is rotatably coupled to the housing member 118 via the bearing 1183. The wear-resistant sleeve 119 is provided at one end of the housing 118 near the holding portion 123, and the rotating block 111 is rotatably connected to the housing 118 through the wear-resistant sleeve 119.

In this embodiment, the dismounting mechanism 1 further includes a frame 19, a bearing plate 191 is movably disposed on the frame 19, the housing 118 and the rotating assembly 11 are respectively fixed to the bearing plate 191, and the bearing plate 191 is moved to drive the housing 118 and the rotating assembly 11 to move.

In an embodiment, the casing 118 is provided with a through hole 1182, the through hole 1182 penetrates through the outer peripheral surface of the casing 118 and the third through hole 1181, the rotating block 111 is provided with a containing groove 113, a threaded hole 1132 is provided on the bottom surface 1131 of the containing groove 113 along the radial direction of the rotating block 111, a locking screw 1133 is provided in the threaded hole 1132, one end of the elastic member 13 abuts against the locking screw 1133, the other end abuts against the clamping member 12, and the through hole 1182 can correspond to the threaded hole 1132 for adjusting the locking screw 1133.

Optionally, a through hole 1182 is formed in the housing 118 along the radial direction of the rotating block 111, and the locking screw 1133 may be adjusted or replaced through the through hole 1182.

In an embodiment, the dismounting mechanism 1 further includes a telescopic cylinder 18, the telescopic cylinder 18 is in driving connection with the supporting member 14, and the telescopic cylinder 18 is used for driving the supporting member 14 to move along the first direction 16.

In this embodiment, the telescopic cylinder 18 is connected to the bearing plate 191, and the telescopic cylinder 18, the supporting member 14 and the rotating assembly 11 are disposed on the bearing plate 191 along the first direction 16. The dismounting mechanism 1 further comprises a moving assembly 192, the moving assembly 192 is disposed on the frame 19, and the moving assembly 192 is connected with the bearing plate 191 and is used for driving the bearing plate 191 to move.

Optionally, a pipeline 193 is provided through the frame 19, and the disassembly and assembly mechanism 1 mounts the fasteners 15 to parts 194 on the pipeline 193; or the removal mechanism 1 removes the fastener 15 from the part 194 on the line 193. The assembly line 193 may be fixed to the frame 19, so that the disassembling and assembling mechanism 1 is highly integrated, and the disassembling and assembling mechanism 1 can be integrally disassembled and assembled.

In summary, according to the dismounting mechanism 1 provided by the embodiment of the application, the clamping piece 12 is driven to rotate by the rotating block 111, so that the clamping piece 12 drives the fastening piece 15 to rotate; the clamping member 12 is elastically clamped to the fastener 15 by the elastic member 13, and the abutting member 14 cooperates with the rotating block 111 to cause the rotating block 111 to overcome the elastic force to release the fastener 15, thereby realizing clamping or releasing of the fastener 15 by the elastic force by the clamping member 12. The fastener 15 is clamped in the process of driving the fastener 15 to rotate by the dismounting mechanism 1, the fastener 15 and the dismounting mechanism 1 are prevented from loosening in the dismounting process, and after the fastener 15 is dismounted, the fastener 15 is loosened by the dismounting mechanism 1, so that the performance of automatically dismounting the fastener 15 by the dismounting mechanism 1 is improved.

The above embodiments are only for illustrating the technical solution of the present application and not for limiting, and although the present application has been described in detail with reference to the above preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application.

Claims (10)

1. A disassembly and assembly mechanism, comprising:

the rotating assembly comprises a rotating block which can rotate along a rotating shaft;

the clamping pieces are used for clamping a fastening piece, are respectively matched with the rotating block in a sliding manner along the radial direction of the rotating block and can rotate along with the rotating block;

the elastic pieces are respectively and elastically supported between the clamping pieces and the rotating blocks and are used for applying elastic force to the clamping pieces, which is close to each other along the radial direction of the rotating blocks, so as to clamp the fastening piece and drive the fastening piece to rotate;

the abutting piece is movably matched with the rotating block along a first direction and can move along the first direction relative to the clamping pieces so as to apply force to the clamping pieces along the radial direction of the rotating block, so that the clamping pieces are far away from each other along the radial direction of the rotating block to loosen the fastening piece, and the first direction is perpendicular to the radial direction of the rotating block or inclined.

2. The disassembly and assembly mechanism according to claim 1, wherein:

the supporting piece is provided with a supporting end, the section of the supporting end is a conical surface, the clamping piece is provided with an inclined surface, and the conical surface is matched with the inclined wedge of the inclined surface, so that the supporting piece can drive a plurality of clamping pieces to move along the radial direction of the rotating block along the movement of the first direction.

3. The disassembly and assembly mechanism according to claim 1, wherein:

the rotating block is provided with a first through hole and a plurality of accommodating grooves, the first through hole extends along the rotating shaft, and the supporting piece is movably arranged in the first through hole along the first direction;

the holding grooves are respectively communicated with the first through holes, the holding pieces extend from the first through holes towards the circumferential outer surface of the rotating block along the radial direction of the rotating block, and the holding pieces are movably arranged in the holding grooves.

4. A disassembly and assembly mechanism according to claim 3, wherein:

the bottom surface of the accommodating groove is arranged at intervals with the circumferential outer surface of the rotating block;

the rotating block is further provided with a threaded hole, the threaded hole extends along the radial direction and is communicated with the outer peripheral surface of the rotating block and the accommodating groove, a locking screw is connected in the threaded hole in a threaded mode, one end of the elastic piece abuts against the locking screw, and the other end of the elastic piece abuts against the clamping piece.

5. A disassembly and assembly mechanism according to claim 3, wherein:

the clamping member includes:

the sliding part is arranged in the accommodating groove;

the clamping parts are integrally connected with the sliding parts, protrude from the sliding parts along the first direction, and are capable of being mutually close to each other along the radial direction of the rotating block so as to jointly clamp the periphery of the fastener.

6. The disassembly and assembly mechanism according to claim 5, wherein:

the rotating assembly further comprises a rotating connecting piece and a cover plate;

the rotary connecting piece is in transmission connection with one end, far away from the clamping part, of the rotary block, a second through hole is formed in the rotary connecting piece, the second through hole extends along the first direction, the second through hole is communicated with the first through hole, and the abutting piece is slidably matched with the second through hole and stretches into the first through hole;

the cover plate is connected to one end of the rotating block, which is close to the clamping part, and is matched with and supports the sliding part along a first direction.

7. The disassembly and assembly mechanism of claim 6, wherein:

the rotating assembly further comprises a motor and a synchronizing wheel, the motor is in transmission connection with the synchronizing wheel, and the synchronizing wheel is sleeved on the circumferential surface of the rotating connecting piece so as to drive the rotating connecting piece to rotate.

8. The disassembly and assembly mechanism according to claim 1, wherein:

the rotating assembly further comprises a shell and a wear-resistant sleeve, a third through hole is formed in the shell, the wear-resistant sleeve is fixed to the circumferential surface of the third through hole, and the rotating block is arranged in the third through hole and is rotatably connected with the shell through the wear-resistant sleeve.

9. The disassembly and assembly mechanism of claim 8, wherein:

the shell is provided with a through hole, the through hole penetrates through the outer peripheral surface of the shell and the third through hole, the rotating block is provided with a containing groove, the bottom surface of the containing groove is provided with a threaded hole along the radial direction of the rotating block, the threaded hole is internally provided with a locking screw, one end of the elastic piece abuts against the locking screw, the other end of the elastic piece abuts against the clamping piece, and the through hole can correspond to the threaded hole so as to be used for adjusting the locking screw.

10. The disassembly and assembly mechanism according to claim 1, wherein:

the dismounting mechanism further comprises a telescopic cylinder, the telescopic cylinder is in transmission connection with the abutting piece, and the telescopic cylinder is used for driving the abutting piece to move along the first direction.