Multi-shaft sleeve rapid automatic replacement device and replacement method

Abstract

The invention discloses a multi-shaft sleeve quick and automatic replacing device which comprises a storage cylinder, an action mechanism and a sleeve quick-replacing connector assembly, a plurality of standard sleeves are arranged in the storage cylinder, and the sleeve quick-replacing connector assembly comprises a plurality of quick-connecting connectors. The bottoms of the multiple quick connectors are used for being connected with the multiple standard sleeves respectively, the tops of the multiple quick connectors are used for being connected with the multiple tightening shafts respectively, each quick connector comprises a first connecting piece, a second connecting piece and a pressing ring, a connecting groove is formed in the top of each first connecting piece, and the bottom of each first connecting piece is used for being connected with the corresponding tightening shaft; the top of the second connecting piece is locked in the connecting groove through a locking assembly, and the bottom of the second connecting piece is used for being connected with the standard sleeve. The sleeve replacement device is high in action reliability, and the sleeve replacement stability and efficiency are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile part installation, and particularly relates to a multi-axis sleeve quick automatic replacement device and a replacement method. Background Art

[0002] With the upgrading of the industry and the deepening of intelligence and automation, the demand for flexible assembly in automatic production lines is increasing. In the automobile general assembly workshop and the automobile parts industry, in addition to the five-axis tightening of automobile general assembly tires, multiple bolt / nut models also appear in more tightening scenarios. Therefore, the automatic sleeve changing mechanism can improve the flexibility and efficiency of the production line.

[0003] At present, for the multi-axis sleeve automatic replacement mechanism on the market, its function is unstable, and the success rate of automatic sleeve replacement is relatively low, which affects the replacement efficiency and increases the replacement difficulty. Summary of the Invention

[0004] Aiming at the above problems existing in the existing multi-axis sleeve automatic replacement mechanism, the present invention aims to provide a multi-axis sleeve quick automatic replacement device and a replacement method with stable replacement, high success rate and fast efficiency.

[0005] The specific technical solutions are as follows:

[0006] A multi-axis sleeve quick automatic replacement device includes: a storage cylinder, an actuating mechanism, and a sleeve quick replacement connector assembly. The storage cylinder contains several standard sleeves. The sleeve quick connector assembly includes several quick connectors. The bottoms of the several quick connectors are respectively used to connect with the several standard sleeves, and the tops are respectively used to connect with several tightening shafts. Each quick connector includes:

[0007] A first connector, the top of the first connector has a connection groove, and the bottom is used to connect with the tightening shaft;

[0008] A second connector, the top of the second connector is locked in the connection groove through a locking assembly, and the bottom is used to connect with the standard sleeve;

[0009] A pressure ring, the pressure ring is movably sleeved outside the second connector and can slide longitudinally, and the pressure ring is connected with the locking assembly. When the pressure ring is pressed down and slides, the locking assembly releases the locking of the top of the second connection, so that the second connector is disconnected from the first connector;

[0010] Wherein, the actuating mechanism is installed on the storage cylinder and is used to press down the pressure ring.

[0011] Further, as a preferred embodiment, the connecting groove includes a rectangular groove and a circular groove that are communicated with each other from top to bottom, and the top of the second connecting member has a rectangular structure matching the rectangular groove and a cylindrical structure matching the circular groove from top to bottom.

[0012] Further, as a preferred embodiment, the locking assembly includes:

[0013] At least two spherical beads, the two spherical beads are respectively installed on two side walls of the top end of the second connecting member and can slide radially, and locking holes are provided on each side wall of the connecting groove. When the top end of the second connecting member is located in the connecting groove, the two spherical beads are arranged opposite to two of the locking holes;

[0014] A shaft core, the shaft core is longitudinally slidably arranged inside the second connecting member, and the top of the shaft core is a conical surface, and the conical surface contacts the inner sides of the two spherical beads;

[0015] A spring, the spring is arranged inside the second connecting member and is located at the bottom of the shaft core, and is used to apply an upward elastic force to the shaft core so that the two spherical beads respectively extend into the two locking holes in a tensioned state, thereby locking the second connecting member into the connecting groove;

[0016] Wherein, the pressing ring is connected to the shaft core. When the pressing ring is pressed down, the shaft core compresses the spring downward so that the two spherical beads are in a relaxed state, thereby releasing the locking of the second connecting member.

[0017] Further, as a preferred embodiment, a sliding cavity is provided inside the second connecting member, the shaft core is longitudinally slidably installed in the sliding cavity, and two sliding holes communicating with the sliding cavity are radially provided on the side wall of the second connecting member, and the two spherical beads are respectively slidably installed in the two sliding holes.

[0018] Further, as a preferred embodiment, a waist-shaped groove communicating with the sliding cavity and penetrating the second connecting member is radially provided on the side wall of the second connecting member, and the long axis direction of the waist-shaped groove is arranged longitudinally. The pressing ring and the shaft core are connected by a pin shaft, and the pin shaft and the waist-shaped groove form a longitudinal sliding fit.

[0019] Further, as a preferred embodiment, the spherical beads are respectively arranged on two sides of the top end of the second connecting member.

[0020] Further, as a preferred embodiment, the actuating mechanism includes:

[0021] A guide shaft, the guide shaft is placed in the storage cylinder, and a plurality of the standard sleeves are distributed circumferentially along the guide shaft;

[0022] A pressure plate, which is installed at the top of the guide shaft and is located above several of the pressure rings. A plurality of notches are provided on the outer circumference of the pressure plate. A plurality of the second connecting members are respectively located in the plurality of notches, and an arc-shaped pressing opening matching the outer arc of the second connecting member is provided on the side wall of each notch.

[0023] A driving assembly, which is used to drive the pressure plate to lift and rotate. By rotating the pressure plate, a plurality of the second connecting members are respectively moved into a plurality of the arc-shaped pressing openings, and by lowering the pressure plate, a plurality of the pressure rings are pressed down.

[0024] Further, as a preferred embodiment, the driving assembly includes:

[0025] A guide wheel, which is rotatably arranged in the storage cylinder. A guide groove is provided on the outer wall of the guide shaft. The guide wheel is placed in the guide groove and is in sliding fit with the guide groove.

[0026] A linear driving element, the output end of which is rotatably connected to the bottom end of the guide shaft and is used to drive the guide shaft to move longitudinally.

[0027] Wherein, the guide groove includes a first longitudinal section, an arc section and a second longitudinal section which are communicated with each other in sequence from bottom to top. When the guide shaft descends, the guide wheel slides along the first longitudinal section, the arc section and the second longitudinal section in sequence. And when the guide wheel slides in the first longitudinal section, the pressure plate moves vertically downward. When the guide wheel slides in the arc section, the pressure plate makes a rotational downward movement so that the bottom of the pressure plate contacts the bottoms of several pressure rings respectively, and a plurality of the second connecting members are respectively placed in a plurality of the arc-shaped pressing openings. When the guide wheel slides in the second longitudinal section, the pressure plate continues to move vertically downward and presses down a plurality of the pressure rings.

[0028] Further, as a preferred embodiment, a plurality of positioning columns are provided in the storage cylinder, and the plurality of positioning columns are respectively in positioning fit with a plurality of the standard sleeves.

[0029] Wherein, the top of the sleeve has a rectangular hole and the bottom has a hexagonal counterbore. The bottom of the second connecting member is of a rectangular structure and is matched with the rectangular hole. The positioning column is of a hexagonal prism structure and is matched with the hexagonal counterbore.

[0030] A multi-axis sleeve rapid automatic replacement method, including the multi-axis sleeve rapid automatic replacement device described in any one of the above, and the replacement method includes:

[0031] When disassembling the standard sleeve, the pressing ring is pressed down by the actuating mechanism, so that the shaft core compresses the spring downward and the spherical detent is in a relaxed state, thereby disconnecting the first connecting member from the second connecting member, and then completing the disassembly of the standard sleeve;

[0032] When installing the standard sleeve, the pressing ring is pressed down by the actuating mechanism, so that the shaft core compresses the spring downward and the spherical detent is in a relaxed state. The top of the second connecting member extends into the connecting groove at the bottom of the first connecting member. The actuating mechanism does not apply pressure to the pressing ring. At this time, the spherical detent is in a tensioned state under the action of the spring force, and the top of the second connecting member is locked into the connecting groove, and then the installation of the standard sleeve is completed.

[0033] The positive effects of the above technical solutions compared with the prior art are as follows:

[0034] (1) In the present invention, by pressing down the pressing ring, the locking assembly releases the locking of the top of the second connection, and then the second connecting member is disconnected from the first connecting member. The pressing force application method is opposite to the compression direction of the spring of the locking shaft connected to the first connecting member, and will not compress the tightening shaft. The action is highly reliable, improving the stability and efficiency of sleeve replacement.

[0035] (2) In the present invention, the rectangular structure is matched with the rectangular groove to provide torque transmission, and the cylindrical structure is precisely matched with the circular groove to reduce the shaking amount of the quick-connect connector, thereby improving the assembly accuracy.

[0036] (3) In the present invention, the actuating mechanism utilizes the linear motion of the linear driving element to make the guide shaft rotate, rise / rotate and descend under the sliding action of the guide wheel and the guide groove, so as to realize the force application action of the pressure plate on the pressing ring, thereby realizing the combination of multiple actions, reducing the number of driving elements, and making the structure more compact and simple. Description of the Drawings

[0037] Figure 1 It is a schematic diagram of the overall structure of a multi-axis sleeve quick automatic replacement device of the present invention;

[0038] Figure 2 It is a schematic diagram of the structure of the quick-connect connector of a multi-axis sleeve quick automatic replacement device of the present invention;

[0039] Figure 3 It is an exploded structure diagram of the quick-connect connector of a multi-axis sleeve quick automatic replacement device of the present invention;

[0040] Figure 4 It is a schematic diagram of the structure of the locking assembly of a multi-axis sleeve quick automatic replacement device of the present invention;

[0041] Figure 5 Partial enlarged schematic view of the locking assembly of a multi-axis sleeve quick automatic replacement device according to the present invention;

[0042] Figure 6 Schematic view of the actuating mechanism of a multi-axis sleeve quick automatic replacement device according to the present invention;

[0043] Figure 7 Schematic structural view of the driving assembly of a multi-axis sleeve quick automatic replacement device according to the present invention;

[0044] In the drawings: 1, storage cylinder; 2, actuating mechanism; 3, quick connector; 4, standard sleeve; 11, positioning post; 21, pressure plate; 22, guide wheel; 23, guide shaft; 24, linear drive element; 31, first connecting member; 32, second connecting member; 33, pressure ring; 35, locking assembly; 41, rectangular hole; 42, hexagonal counterbore; 211, notch; 212, arc-shaped pressing port; 231, guide groove; 311, connecting groove; 312, connecting hole; 313, locking hole; 321, sliding cavity; 322, waist-shaped groove; 351, spherical clamping bead; 352, shaft core; 353, pin shaft; 354, spring. Detailed implementation manners

[0045] The present invention will be further described below in conjunction with the drawings and specific embodiments, but it is not intended to limit the present invention.

[0046] Figure 1 Schematic view of the overall structure of a multi-axis sleeve quick automatic replacement device according to the present invention, Figure 2 Schematic structural view of the quick connector of a multi-axis sleeve quick automatic replacement device according to the present invention, Figure 3 Exploded structural view of the quick connector of a multi-axis sleeve quick automatic replacement device according to the present invention, Figure 4 Schematic structural view of the locking assembly of a multi-axis sleeve quick automatic replacement device according to the present invention, Figure 5 Partial enlarged schematic view of the locking assembly of a multi-axis sleeve quick automatic replacement device according to the present invention, Figure 6 Schematic view of the actuating mechanism of a multi-axis sleeve quick automatic replacement device according to the present invention, Figure 7 Schematic structural view of the driving assembly of a multi-axis sleeve quick automatic replacement device according to the present invention, as Figures 1 to 7As shown in the figure, a multi-axis sleeve quick automatic replacement device of a preferred embodiment is shown, including: a storage cylinder 1, an actuating mechanism 2, and a sleeve quick-change connector assembly. The storage cylinder 1 contains several standard sleeves 4. The sleeve quick-connector assembly includes several quick connectors 3. The bottoms of the several quick connectors 3 are respectively used to connect with the several standard sleeves 4, and the tops are respectively used to connect with several tightening shafts. Each quick connector 3 includes a first connecting member 31, a second connecting member 32, and a pressure ring 33. The top of the first connecting member 31 has a connecting groove 311 and the bottom is used to connect with the tightening shaft. The top of the second connecting member 32 is locked in the connecting groove 311 through a locking assembly 35, and the bottom is used to connect with the standard sleeve 4. The pressure ring 33 is movably sleeved outside the second connecting member 32 and can slide longitudinally, and the pressure ring 33 is connected with the locking assembly 35. When the pressure ring 33 is pressed down and slides, the locking assembly 35 releases the locking of the top of the second connection, so that the second connecting member 32 is disconnected from the first connecting member 31. Among them, the actuating mechanism 2 is installed on the storage cylinder 1 and is used to press down the pressure ring 33.

[0047] In this embodiment, by pressing down the pressure ring 33, the locking assembly 35 releases the locking of the top of the second connection, and then the second connecting member 32 is disconnected from the first connecting member 31. The pressing force application method is opposite to the compression direction of the spring 354 of the locking shaft itself connected to the first connecting member 31, and will not compress the tightening shaft, so the operation is highly reliable, improving the stability and efficiency of sleeve replacement.

[0048] Furthermore, as a preferred embodiment, the connecting groove 311 includes a rectangular groove and a circular groove that are connected in sequence from top to bottom. The top of the second connecting member has a rectangular structure matching the rectangular groove and a cylindrical structure matching the circular groove from top to bottom. The matching setting of the rectangular structure and the rectangular groove provides torque transmission, while the cylindrical structure and the circular groove are precisely matched to reduce the wobbling amount of the quick connector, thereby improving the assembly accuracy.

[0049] Preferably, the top of the first connecting member 31 has a connecting hole 312, and the connecting hole 312 is a rectangular hole for matching connection with the tightening shaft.

[0050] Further, as a preferred embodiment, the locking assembly 35 includes at least two spherical beads 351, a shaft core 352, and a spring 354. The two spherical beads 351 are respectively installed on two side walls of the top end of the second connecting member 32 and can slide radially. Locking holes 313 are provided on each side wall of the connecting groove 311. When the top end of the second connecting member 32 is located in the connecting groove 311, the two spherical beads 351 are arranged opposite to two of the locking holes 313. The shaft core 352 is longitudinally slidably arranged inside the second connecting member 32, and the top of the shaft core 352 is a conical surface which contacts the inner sides of the two spherical beads 351. The spring 354 is arranged inside the second connecting member 32 and is located at the bottom of the shaft core 352 for applying an upward elastic force to the shaft core 352 so that the two spherical beads 351 respectively extend into the two locking holes 313 in a tightened state, thereby locking the second connecting member 32 into the connecting groove 311. Wherein, the pressure ring 33 is connected to the shaft core 352. When the pressure ring 33 is pressed down, the shaft core 352 compresses the spring 354 downward so that the two spherical beads 351 are in a relaxed state, thereby releasing the locking of the second connecting member 32.

[0051] Further, as a preferred embodiment, a sliding cavity 321 is formed inside the second connecting member 32, the shaft core 352 is longitudinally slidably installed in the sliding cavity 321, and two sliding holes communicating with the sliding cavity 321 are radially provided on the side wall of the second connecting member 32. The two spherical beads 351 are respectively slidably installed in the two sliding holes.

[0052] Further, as a preferred embodiment, a waist-shaped groove 322 communicating with the sliding cavity 321 and penetrating through the second connecting member 32 is radially provided on the side wall of the second connecting member 32, and the long axis direction of the waist-shaped groove 322 is arranged longitudinally. The pressure ring 33 and the shaft core 352 are connected by a pin shaft 353, and the pin shaft 353 and the waist-shaped groove 322 form a longitudinal sliding fit.

[0053] Further, as a preferred embodiment, in order to improve the locking effect of the locking assembly 35, the spherical beads 351 are respectively arranged on two sides of the top end of the second connecting member 32.

[0054] Further, as a preferred embodiment, the actuating mechanism 2 includes a guide shaft 23, a pressure plate 21, and a driving assembly. The guide shaft 23 is disposed within the storage cylinder 1. A plurality of standard sleeves 4 are circumferentially distributed along the guide shaft 23. The pressure plate 21 is mounted on the top of the guide shaft 23 and is located above a plurality of pressure rings 33. A plurality of notches 211 are provided on the outer circumference of the pressure plate 21. A plurality of second connecting members 32 are respectively located within the plurality of notches 211, and an arc-shaped pressing opening 212 matching the outer arc of the second connecting member 32 is provided on the side wall of each notch 211. The driving assembly is used to drive the pressure plate 21 to lift and rotate. By rotating the pressure plate 21, the plurality of second connecting members 32 are respectively moved into the plurality of arc-shaped pressing openings 212, and by lowering the pressure plate 21, the plurality of pressure rings 33 are pressed downwards.

[0055] Further, as a preferred embodiment, the driving assembly includes: a guide wheel 22 and a linear driving element 24. The guide wheel 22 is rotatably disposed within the storage cylinder 1, and a guide groove 231 is provided on the outer wall of the guide shaft 23. The guide wheel 22 is disposed within the guide groove 231 and is in sliding fit with the guide groove 231. The output end of the linear driving element 24 is rotatably connected to the bottom end of the guide shaft 23 for driving the guide shaft 23 to move longitudinally. Among them, the guide groove 231 includes a first longitudinal section, an arc section, and a second longitudinal section that are sequentially connected from bottom to top. When the guide shaft 23 descends, the guide wheel 22 slides along the first longitudinal section, the arc section, and the second longitudinal section in sequence. And when the guide wheel 22 slides within the first longitudinal section, the pressure plate 21 moves longitudinally downwards. When the guide wheel 22 slides within the arc section, the pressure plate 21 makes a rotational downward movement, so that the bottom of the pressure plate 21 contacts the bottoms of the plurality of pressure rings 33 respectively, and the plurality of second connecting members 32 are respectively placed within the plurality of arc-shaped pressing openings 212. When the guide wheel 22 slides within the second longitudinal section, the pressure plate 21 continues to move longitudinally downwards and presses down the plurality of pressure rings 33.

[0056] In this embodiment, the actuating mechanism 2 utilizes the linear motion of the linear driving element 24 to enable the guide shaft 23 to perform rotational, ascending / rotational, and descending motions under the sliding action of the guide wheel 22 and the guide groove 231, so as to achieve the force application action of the pressure plate 21 on the pressure rings 33, thereby realizing the combination of multiple actions, reducing the number of driving elements, and making the structure more compact and simple.

[0057] Preferably, the linear driving element 24 can be a cylinder.

[0058] Further, as a preferred embodiment, in order to further improve the assembly accuracy, a plurality of positioning posts 11 are provided within the storage cylinder 1, and the plurality of positioning posts 11 are respectively in positioning fit with the plurality of standard sleeves 4; wherein, the top of the sleeve has a rectangular hole 41 and the bottom has a hexagonal counterbore 42. The bottom of the second connecting member 32 is a rectangular structure and matches the rectangular hole 41, and the positioning post 11 is a hexagonal prism structure and matches the hexagonal counterbore 42.

[0059] A multi-axis sleeve rapid automatic replacement method, including the multi-axis sleeve rapid automatic replacement device of any one of the above, the replacement method includes:

[0060] When disassembling the standard sleeve 4, the pressing ring 33 is pressed down by the actuating mechanism 2, so that the shaft core 352 compresses the spring 354 downward, and the spherical detent 351 is in a relaxed state, thereby realizing the disconnection of the first connecting member and the second connecting member, and then completing the disassembly of the standard sleeve 4;

[0061] When installing the standard sleeve 4, the pressing ring 33 is pressed down by the actuating mechanism 2, so that the shaft core 352 compresses the spring 354 downward, and the spherical detent 351 is in a relaxed state. The top of the second connecting member 32 extends into the connecting groove 311 at the bottom of the first connecting member 31. The actuating mechanism 2 does not apply pressure to the pressing ring 33. At this time, the spherical detent 351 is in a tightened state under the elastic force of the spring 354, realizing the locking of the top of the second connecting member 32 into the connecting groove 311, and then completing the installation of the standard sleeve 4.

[0062] The above are only the preferred embodiments of the present invention, and do not limit the implementation manners and protection scope of the present invention. For those skilled in the art, it should be realized that any equivalent replacement and obvious changes made by using the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-axis sleeve rapid automatic replacement device, characterized in that, it includes: a storage cylinder, an actuating mechanism and a sleeve quick-change connector assembly. There are several standard sleeves in the storage cylinder. The sleeve quick-connector assembly includes several quick connectors. The bottoms of the several quick connectors are respectively used to connect with the several standard sleeves, and the tops are respectively used to connect with several tightening shafts. Each quick connector includes: a first connector, the top of the first connector has a connection groove, and the bottom is used to connect with the tightening shaft; a second connector, the top of the second connector is locked in the connection groove through a locking assembly, and the bottom is used to connect with the standard sleeve; a retaining ring, the retaining ring is movably sleeved outside the second connector and can slide longitudinally, and the retaining ring is connected with the locking assembly. When the retaining ring is pressed down and slides, the locking assembly releases the locking of the top of the second connection, so that the second connector is disconnected from the first connector; wherein, the actuating mechanism is installed on the storage cylinder and is used to press down the retaining ring.

2. The multi-axis sleeve rapid automatic replacement device according to claim 1, characterized in that, the connection groove includes a rectangular groove and a circular groove that are communicated in sequence from top to bottom, and the top of the second connector has a rectangular structure matching the rectangular groove and a cylindrical structure matching the circular groove from top to bottom.

3. The multi-axis sleeve rapid automatic replacement device according to claim 2, characterized in that, the locking assembly includes: at least two spherical beads, the two spherical beads are respectively installed on two of the side walls at the top end of the second connector and can slide radially. Locking holes are provided on each side wall of the connection groove. When the top end of the second connector is located in the connection groove, the two spherical beads are arranged opposite to two of the locking holes; a shaft core, the shaft core is longitudinally slidably arranged inside the second connector, and the top of the shaft core is provided with a conical surface, and the conical surface contacts the inner sides of the two spherical beads; a spring, the spring is arranged inside the second connector and is located at the bottom of the shaft core, and is used to apply an upward elastic force to the shaft core, so that the two spherical beads respectively extend into the two locking holes in a tensioned state, and further lock the second connector into the connection groove; wherein, the retaining ring is connected with the shaft core. When the retaining ring is pressed down, the shaft core compresses the spring downward, so that the two spherical beads are in a relaxed state, and further releases the locking of the second connector.

4. The multi-axis sleeve rapid automatic replacement device according to claim 3, characterized in that, the second connector has a sliding cavity, the shaft core is longitudinally slidably installed in the sliding cavity, and two sliding holes communicated with the sliding cavity are radially provided on the side wall of the second connector, and the two spherical beads are respectively slidably installed in the two sliding holes.

5. The multi-axis sleeve rapid automatic replacement device according to claim 4, characterized in that, The side wall of the second connecting piece is provided with a waist-shaped groove that communicates with the sliding cavity and penetrates the second connecting piece in the radial direction, and the major axis direction of the waist-shaped groove is arranged longitudinally. The pressing ring and the shaft core are connected by a pin shaft, and the pin shaft and the waist-shaped groove form a longitudinal sliding fit.

6. The multi-axis sleeve quick automatic replacement device according to claim 4, wherein, the spherical beads are respectively arranged on both sides of the top end of the second connecting piece.

7. The multi-axis sleeve quick automatic replacement device according to claim 1, wherein, the actuating mechanism includes: a guide shaft, the guide shaft is placed in the storage cylinder, and a plurality of the standard sleeves are distributed circumferentially along the guide shaft; a pressing disc, the pressing disc is installed on the top of the guide shaft and is located above a plurality of the pressing rings. A plurality of notches are provided on the outer circumference of the pressing disc, and a plurality of the second connecting pieces are respectively located in a plurality of the notches, and an arc-shaped pressing opening that matches the outer arc of the second connecting piece is provided on the side wall of each notch; a driving assembly, the driving assembly is used to drive the pressing disc to move up and down and rotate, so that a plurality of the second connecting pieces respectively move into a plurality of the arc-shaped pressing openings through the rotation of the pressing disc, and the pressing disc descends to press down a plurality of the pressing rings.

8. The multi-axis sleeve quick automatic replacement device according to claim 7, wherein, the driving assembly includes: a guide wheel, the guide wheel is rotatably arranged in the storage cylinder, and a guide groove is provided on the outer wall of the guide shaft. The guide wheel is placed in the guide groove and is in sliding fit with the guide groove; a linear driving element, the output end of the linear driving element is rotatably connected to the bottom end of the guide shaft to enable the guide shaft to move longitudinally; wherein, the guide groove includes a first longitudinal section, an arc section and a second longitudinal section that are connected in sequence from bottom to top. When the guide shaft descends, the guide wheel slides along the first longitudinal section, the arc section and the second longitudinal section in sequence. When the guide wheel slides in the first longitudinal section, the pressing disc moves vertically downward. When the guide wheel slides in the arc section, the pressing disc makes a rotational downward movement, so that the bottom of the pressing disc respectively contacts the bottoms of a plurality of the pressing rings, and a plurality of the second connecting pieces are respectively placed in a plurality of the arc-shaped pressing openings. When the guide wheel slides in the second longitudinal section, the pressing disc continues to move vertically downward and presses down a plurality of the pressing rings.

9. The multi-axis sleeve quick automatic replacement device according to claim 2, wherein, a plurality of positioning columns are provided in the storage cylinder, and a plurality of the positioning columns are respectively in positioning fit with a plurality of the standard sleeves; wherein, the top of the sleeve has a rectangular hole, the bottom has a hexagonal counterbore, the bottom of the second connecting piece is a rectangular structure and matches the rectangular hole, and the positioning column is a hexagonal prism structure and matches the hexagonal counterbore.

10. A multi-axis sleeve quick automatic replacement method, wherein, including the multi-axis sleeve quick automatic replacement device according to any one of claims 1 to 9, and the replacement method includes: When disassembling the standard sleeve, the pressing ring is pressed down by the actuating mechanism, so that the shaft core compresses the spring downward and the spherical detent is in a relaxed state, thereby disconnecting the first connecting member from the second connecting member, and further completing the disassembly of the standard sleeve; When installing the standard sleeve, the pressing ring is pressed down by the actuating mechanism, so that the shaft core compresses the spring downward and the spherical detent is in a relaxed state. The top of the second connecting member extends into the connecting groove at the bottom of the first connecting member. The actuating mechanism does not apply pressure to the pressing ring. At this time, the spherical detent is in a tensioned state under the action of the spring force, realizing the locking of the top of the second connecting member into the connecting groove, and further completing the installation of the standard sleeve.

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