High-precision device connection quick dismounting device and dismounting method thereof

Abstract

The application relates to the technical field of part fastening, in particular to a high-precision equipment connecting quick dismounting device and a dismounting method thereof. The device comprises a connected part and a base assembly, the base assembly comprises a base, a guide positioning pin, a positioning pin frame, a locking cylinder, a rotating shaft, a peg ball assembly, a guide pin fixing assembly, a manual operating mechanism and a compression spring assembly; the guide positioning pin is fixed to the base, the positioning pin frame is fixed to the base; the rotating shaft is arranged in the internal cavity of the base, the guide pin fixing assembly comprises a guide pin; the manual operating mechanism comprises a pull ring and a ball head connecting rod, one end of the ball head connecting rod is fixedly connected with the end of the rotating shaft, and the other end is movably connected with the pull ring through a pull ring shaft pin; and the compression spring assembly is sleeved on the rotating shaft. The device is locked and matched through rotating and embedding, peg ball positioning and guide groove limiting in multiple stages, high-precision equipment quick dismounting is realized through pure manual operation, and high bearing and operation safety are achieved.

Description

Technical Field

[0001] This invention relates to the field of structural element or machine part fastening technology, and in particular to a high-precision equipment connection quick assembly and disassembly device and its assembly and disassembly method. Background Technology

[0002] With the rapid development of intelligent manufacturing, precision machining, and high-end equipment, the demand for rapid assembly and disassembly and stable connection between high-precision equipment is becoming increasingly prominent. Currently, conventional connection methods for equipment components mainly rely on traditional structures such as bolts, pins, and flanges, which have revealed many limitations in practical applications.

[0003] Traditional structures struggle to simultaneously meet the demands for both "high-precision transmission" and "rapid assembly / disassembly." To ensure connection accuracy and load-bearing capacity, traditional connection structures suffer from low assembly / disassembly efficiency, typically requiring specialized tools such as wrenches and sockets. The procedures are cumbersome, and each assembly / disassembly is time-consuming, severely hindering the efficiency of equipment debugging, maintenance, and scene switching. The difficulty and safety risks of manual assembly / disassembly are significantly increased. Traditional quick-assembly / disassembly devices often employ snap-fit ​​or magnetic structures, which have low load-bearing capacity and poor transmission accuracy. Summary of the Invention

[0004] This invention aims to solve at least one of the technical problems existing in related technologies. To this end, this invention provides a high-precision equipment connection and quick disassembly device and its disassembly and assembly method, which solves the problems of low disassembly and assembly efficiency, difficulty in balancing transmission accuracy and quick disassembly performance, poor adaptability to working conditions, and susceptibility to processing and assembly errors in traditional connection methods, thereby achieving efficient, stable, and universal quick disassembly and assembly of high-precision equipment.

[0005] This invention provides a high-precision device for quick assembly and disassembly of connected equipment, comprising a connected component and a base assembly, wherein the connected component and the base assembly are fixed together by surface contact and compaction. The base assembly includes a base, a guide positioning pin, a positioning pin holder, a locking cylinder, a rotating shaft, a pin assembly, a guide pin fixing assembly, a manual operating mechanism, and a compression spring assembly; The guide positioning pin is fixed to the base and engages with the tapered hole at the bottom of the connected component; The positioning pin bracket is fixed to the base, and the positioning pin bracket is provided with positioning pins; The locking cylinder is sleeved on the rotating shaft and drives the rotating shaft to rotate. The end face of the locking cylinder facing the positioning pin frame is provided with a pin hole. The rotating shaft passes through the internal cavity of the base and moves axially and rotates around its own axis. Multiple bead grooves are spaced axially on its outer circular surface. The bead assembly includes bead and bead compression spring. The bead is embedded in the bead grooves at different positions on the rotating shaft under the elastic force of the bead compression spring. The guide pin assembly includes a guide pin with a ball head at its bottom end. A guide groove is provided on the rotating shaft, and the ball head is inserted into the guide groove and slides therein. The manual operation mechanism includes a pull ring and a ball head connecting rod. One end of the ball head connecting rod is fixedly connected to the end of the rotating shaft, and the other end is movably connected to the pull ring through a pull ring pin. The compression spring assembly is sleeved on the rotating shaft, with one end abutting against the inner wall of the base cavity, and the other end abutting against the locking cylinder through a locking plate and a non-metallic carrier plate.

[0006] According to the present invention, a high-precision device connection and quick assembly / disassembly device further includes a tapered pin cover fixed to the base. The tail of the rotating shaft is provided with a tapered pin, which is adapted to the inner tapered hole of the tapered pin cover. In the locked state, the tapered pin is inserted into the tapered pin cover to ensure the fitting accuracy between the connected part and the base assembly.

[0007] According to the present invention, a high-precision device connection and quick assembly / disassembly device is provided, wherein the upper end face of the locking cylinder is a mating surface that mates with the bottom surface of the connected component. When the connected component is placed or lifted in a vertical direction, the contact force between the bottom surface of the connected component and the mating surface drives the locking cylinder to rotate around the axis of the rotating shaft, thereby driving the rotating shaft to rotate synchronously.

[0008] According to the present invention, a high-precision device connection and quick assembly / disassembly device is provided, wherein the mating surface of the locking cylinder is processed into a radially extending wavy curved surface, so that the bottom surface of the connected part and the mating surface form a line contact.

[0009] According to the present invention, a high-precision equipment connection and quick disassembly device is provided, wherein a lubricating oil groove is machined on the outer circular surface of the rotating shaft, and the lubricating oil groove is filled with lubricating grease.

[0010] According to the present invention, a high-precision device connection and quick assembly / disassembly device is provided, wherein the rotating shaft and the hole on the base through which the rotating shaft passes are fitted with an H7 / g6 precision.

[0011] According to the present invention, a high-precision equipment connection and quick assembly / disassembly device is provided, wherein a guide post and guide sleeve structure is added between the rotating shaft and the base to improve the fitting accuracy and the smoothness of movement.

[0012] According to the present invention, a high-precision device connection and quick disassembly device is provided, wherein the non-metallic carrier is made of an oily non-metallic material, which is used to prevent the compression spring assembly from directly contacting and wearing with the base and the locking plate.

[0013] This invention also provides a method for disassembling and assembling a high-precision device connection quick-release device, wherein the workflow from the locked state to the released state is as follows: S1: In the locked state, the locking cylinder is engaged with the positioning pin frame under the axial thrust of the compression spring assembly, the positioning pin is inserted into the pin hole on the end face of the locking cylinder, and the pin bead is embedded in the locking position groove on the rotating shaft; S2: When it is necessary to disengage, the operator pulls the pull ring outward, and the ball joint drives the rotating shaft to move axially against the elastic force of the compression spring assembly, so that the nail bead disengages from the locking position groove. Continue to pull until the nail bead is embedded in the middle holding position groove. At this time, release the pull ring, and the rotating shaft is held in the middle holding position by the interlocking force between the nail bead and the groove. S3: The operator lifts the connected component upwards, and the bottom surface of the connected component drives the locking cylinder to rotate outwards. The locking cylinder drives the rotating shaft to rotate synchronously, and the nail bead disengages from the middle holding position groove. When the connected component is completely disengaged from the base, the nail bead is embedded in the disengagement position groove.

[0014] This invention also provides a method for disassembling and assembling a high-precision device connection quick-release device, wherein the workflow from the disengaged state to the locked state is as follows: S4: When locking is required, the operator places the connected part into the base. Under the guidance of the guide positioning pin, the bottom surface of the connected part contacts the mating surface of the locking cylinder and drives the locking cylinder to rotate inward until the connected part returns to its position. At this time, the nail bead is embedded in the middle position holding groove. S5: The operator pushes the rotating shaft to disengage the nail bead from the central holding position groove. Under the elastic force of the compression spring assembly, the rotating shaft and the locking cylinder move axially. The positioning pin is inserted into the pin hole of the locking cylinder to achieve locking, and at the same time, the nail bead is embedded in the locking position groove.

[0015] The above-described one or more technical solutions in the embodiments of the present invention have at least one of the following technical effects: This invention achieves axial locking by locking a cylinder that passes through a rotating shaft and moves and rotates with it, in conjunction with a positioning pin, replacing the traditional radial swing locking and significantly improving load-bearing reliability.

[0016] This invention creates multiple beaded grooves on the outer surface of the rotating shaft, which, in conjunction with spring-loaded beads, form a three-stage stable positioning system of locking, intermediate holding, and disengagement. This allows the mechanism to remain in place even after the operator releases external force, enabling safe handling of the device with both hands.

[0017] In this invention, the ball head at the bottom of the guide pin always slides within the guide groove of the rotating shaft, limiting the axial travel and rotation angle, and preventing damage to the mechanism from overtravel during manual operation; the bottom surface of the connected part and the mating surface of the locking cylinder adopt a wave-shaped line contact structure, and the locking cylinder is directly driven to rotate by the insertion and lifting actions of the equipment, eliminating additional operation steps; the pull ring and ball head connecting rod constitute a purely manual operation end, completely eliminating the dependence on pneumatic or hydraulic power.

[0018] The compression spring of this invention continuously applies axial thrust to ensure a tight fit in the locking state; the tapered pin at the tail of the rotating shaft is adapted to the tapered hole of the tapered pin cover, and combined with the guide post and guide sleeve and the H7 / g6 fit accuracy, it ensures high repeatability of positioning accuracy after each disassembly and assembly; the oil groove grease lubrication and the isolation of the non-metallic carrier plate further extend the service life, thereby taking into account both high-precision transmission and second-level fast disassembly and assembly in the same device.

[0019] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0021] Figure 1 This is a structural outline of a high-precision device connection and quick disassembly device provided by the present invention in its working state.

[0022] Figure 2 This is an exploded view of a high-precision device connection and quick assembly / disassembly device provided by the present invention.

[0023] Figure 3 This is an enlarged view of the locking part.

[0024] Figure 4 This is a diagram illustrating the mechanism operation of a high-precision device connection and quick assembly / disassembly device provided by the present invention.

[0025] Figure 4 (a) is an end view of the device in the locked state.

[0026] Figure 4 (b) is an end view of the disengaged first-stage device.

[0027] Figure 4 (c) is an end view of the disengaged two-stage device.

[0028] Figure 4(d) is an end view of the device in the disengaged state.

[0029] Figure 4 (e) is an internal cross-sectional view of the device in the locked state.

[0030] Figure 4 (f) is an internal cross-sectional view of the disengagement device.

[0031] Figure 4 (g) is an internal cross-sectional view of the disengagement device.

[0032] Figure 4 The middle (h) is an internal cross-sectional view of the device in the disengaged state.

[0033] Figure 5 This is a diagram showing the grooves for the guide groove of the rotating shaft and the recess for the bead.

[0034] Figure 5 (a) shows the direction of the guide groove rotation axis.

[0035] Figure 5 (b) shows the rotation axis of the bead groove direction.

[0036] Figure 6 This is a flowchart illustrating the process of changing from the locked state to the unlocked state in a method for disassembling and assembling a high-precision device connection quick disassembly and assembly device provided by the present invention.

[0037] Figure 7 This is a flowchart illustrating the disassembly and assembly method of a high-precision device connection quick disassembly and assembly device provided by the present invention, from the disengaged state to the locked state.

[0038] Figure label: 100. Connected part; 200. Base assembly; 201. Base; 202. Guide positioning pin; 203. Cover plate; 204. Guide pin sealing plate; 205. Guide pin; 206. Tapered pin cover; 207. Positioning pin holder; 208. Nail ball; 209. Nail ball compression spring; 210. Set screw; 211. Ball head connecting rod; 212. Pull ring; 213. Pull ring shaft pin; 214. Non-metallic carrier plate; 215. Compression spring; 216. Locking pressure plate; 217. Locking cylinder; 218. Rotating shaft; 219. Guide groove; 220. Nail ball groove. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this invention. The following embodiments are used to illustrate this invention but cannot be used to limit the scope of this invention.

[0040] In the description of the embodiments of the present invention, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of the present invention. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0041] In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of the present invention based on the specific circumstances.

[0042] In embodiments of the present invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0043] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0044] The following is combined Figures 1 to 7 This invention is described.

[0045] like Figure 1 As shown, Figure 1 This invention provides a structural outline of a high-precision device connection and quick disassembly device in its working state. It includes a connected component 100 and a base assembly 200, wherein the connected component 100 and the base assembly 200 are fixed together by surface contact and compaction.

[0046] Specifically, such as Figure 2 and Figure 3 As shown, Figure 2 This is an exploded view of a high-precision device connection and quick assembly / disassembly device provided by the present invention. Figure 3 This is a magnified view of the locking section.

[0047] The base assembly 200 includes a base 201, a guide positioning pin 202, a positioning pin holder 207, a locking cylinder 217, a rotating shaft, a pin bead assembly, a guide pin fixing assembly, a manual operating mechanism, and a compression spring assembly. The guide positioning pin 202 is fixed to the base 201 and engages with the tapered hole at the bottom of the connected component 100; The positioning pin bracket 207 is fixed to the base 201, and the positioning pin bracket 207 is provided with positioning pins; The locking cylinder 217 is sleeved on the rotating shaft and drives the rotating shaft to rotate. The end face of the locking cylinder 217 facing the positioning pin frame 207 is provided with a pin hole. The rotating shaft passes through the internal cavity of the base 201 and moves axially and rotates around its own axis. Multiple bead grooves 220 are spaced axially on its outer circular surface. The bead assembly includes bead 208 and bead compression spring 209. The bead 208 is embedded in the bead grooves 220 at different positions on the rotating shaft under the elastic force of the bead compression spring 209. The guide pin assembly includes a guide pin 205, the bottom end of which is provided with a ball head. A guide groove 219 is provided on the rotating shaft, and the ball head is inserted into the guide groove 219 and slides therein. The manual operation mechanism includes a pull ring 212 and a ball head connecting rod 211. One end of the ball head connecting rod 211 is fixedly connected to the end of the rotating shaft, and the other end is movably connected to the pull ring 212 through a pull ring pin. The compression spring assembly is sleeved on the rotating shaft, with one end abutting against the inner wall of the cavity of the base 201, and the other end abutting against the locking cylinder 217 through the locking plate 216 and the non-metallic carrier plate 214. In this embodiment, the compression spring assembly is a compression spring 215.

[0048] like Figure 5 As shown, Figure 5 (a) shows the direction of the guide groove on the rotating shaft. The guide groove 219 has an inclined groove with a helical helix angle α near the tail end of the rotating shaft 218 and a straight groove away from the tail end of the rotating shaft 218. The helical helix angle should be equal to the rotation angle of the locking cylinder 217, that is, the angle α through which the locking cylinder rotates when the connected part is completely separated from the base assembly. The specific value of the helical helix angle depends on the actual working conditions of the device, and this embodiment of the invention does not impose constraints. The locking cylinder and the rotating shaft are tightly fitted without relative sliding. The guide groove 219 is machined on the rotating shaft. Under the action of the guide pin 205, the angle at which the locking cylinder and the rotating shaft rotate together is fixed. This ensures that the angle of rotation of the locking cylinder is basically consistent each time the connected part is inserted. When the connected parts are put into place, the hole on the side of the locking cylinder that mates with the positioning pin and the positioning pin of the positioning pin are basically on the same central axis. Due to the factors of machining error, there must be a slight misalignment between the two. Therefore, the pin hole on the side of the locking cylinder adopts a chamfering machining process to compensate for the coaxiality error of the two parts.

[0049] Figure 5 Image (b) shows a view of the rotating shaft 218 with the bead groove 220. The bead groove 220 is used to control the movement of the bead 208 and prevent the rotating shaft 218 from overtraveling. The bead groove 220 has three grooves: a locking position groove, a middle holding position groove, and a disengagement position groove, from the tail end to the top end of the rotating shaft 218. Specifically, the center of the locking position groove of the beaded groove 220 and the center of the middle holding position groove form a spiral angle α.

[0050] Specifically, it also includes a tapered pin cover 206 fixed to the base 201. The tail of the rotating shaft is provided with a tapered pin. The tapered pin is adapted to the inner tapered hole of the tapered pin cover 206. In the locked state, the tapered pin is inserted into the tapered pin cover 206 to ensure the fitting accuracy between the connected part 100 and the base assembly 200.

[0051] Specifically, the upper end face of the locking cylinder 217 is a mating surface that mates with the bottom surface of the connected component 100. When the connected component 100 is placed or lifted in the vertical direction, the contact force between the bottom surface of the connected component 100 and the mating surface drives the locking cylinder 217 to rotate around the axis of rotation, thereby causing the axis of rotation to rotate synchronously.

[0052] Specifically, the mating surface of the locking cylinder 217 is machined into a wavy surface extending radially, so that the bottom surface of the connected part 100 and the mating surface form a line contact.

[0053] Specifically, a lubricating oil groove is machined on the outer circular surface of the shaft, and the lubricating oil groove is filled with lubricating grease.

[0054] Specifically, the rotating shaft and the hole on the base 201 through which the rotating shaft passes are fitted with an H7 / g6 precision.

[0055] Specifically, a guide post and guide sleeve structure is added between the rotating shaft and the base 201 to improve the fitting accuracy and movement stability.

[0056] Specifically, the installation process of the base assembly 200 is as follows: The guide positioning pin is pressed into the mounting hole of the base by a press. The guide positioning pin mates with the tapered hole at the bottom of the connected part 100. The function of the guide positioning pin is to guide and prevent the connected part 100 from moving within its plane. The positioning pin holder 207 is fastened to the base with the set screw 210. The locking cylinder 217 is positioned in the hollow cavity of the base assembly 200, and the pin hole on one side of the locking cylinder 217 mates with the positioning pin on the positioning pin holder 207. After completion, the rotating shaft 218 is inserted through the mounting hole of the tapered pin cover 206. When the end of the rotating shaft 218 is inserted into the hollow cavity of the base assembly 200, the rotating shaft 218 can then be inserted into the central shaft hole of the locking cylinder 217. At this time, the non-metallic carrier plate 214, the compression spring 215, and the locking pressure plate 216 are passed through the rotating shaft 218 in sequence. The locking plate 216 is fastened to the other end face of the locking cylinder 217 by screws to prevent the locking cylinder 217 from axially moving on the rotating shaft 218. The non-metallic carrier plate 214 is preferably made of oil-based non-metallic material. Its function is to prevent the compression spring 215 from directly contacting the base and locking plate 216 during operation, thus preventing wear. Simultaneously, the rotating shaft 218 will rotate at a small angle during operation; using an oil-based non-metallic material for the non-metallic carrier plate 214 helps extend the service life of the compression spring 215. After the rotating shaft 218 is fully inserted into the base, the tail of the ball joint connecting rod 211 is dipped in threadlocker and screwed into the threaded hole at the end of the rotating shaft 218. The pull ring 212 is installed at the ball head of the ball joint connecting rod 211 via the pull ring pin 213 and is fixed with an open retaining ring. The guide pin 205 passes through the central hole of the guide pin sealing plate 204. An open retaining ring is used to fix the guide pin 205 to the back of the guide pin sealing plate 204, ensuring that the guide pin 205 can rotate freely on the guide pin sealing plate 204. After installation, the guide pin sealing plate 204 and the guide pin 205 are fixed to the base with screws. During fixing, the rotating shaft 218 needs to be rotated to ensure that the ball end of the guide pin 205 is inserted into the guide groove 219 of the rotating shaft 218. The nail ball 208 and nail ball compression spring 209 are installed sequentially in the holes on the upper and lower surfaces of the base, and fixed in the base with set screws 210. Finally, the cover plate 203 and the tapered pin cover 206 are installed in the corresponding positions on the base with screws.

[0057] like Figure 6 and Figure 7 As shown, Figure 6 The disassembly and assembly method of the high-precision equipment connection quick disassembly and assembly device provided by the present invention, the workflow from the locked state to the disengaged state is as follows: S1: In the locked state, the locking cylinder is engaged with the positioning pin frame under the axial thrust of the compression spring assembly, the positioning pin is inserted into the pin hole on the end face of the locking cylinder, and the pin bead is embedded in the locking position groove on the rotating shaft; S2: When it is necessary to disengage, the operator pulls the pull ring outward, and the ball joint drives the rotating shaft to move axially against the elastic force of the compression spring assembly, so that the nail bead disengages from the locking position groove. Continue to pull until the nail bead is embedded in the middle holding position groove. At this time, release the pull ring, and the rotating shaft is held in the middle holding position by the interlocking force between the nail bead and the groove. S3: The operator lifts the connected component upwards, and the bottom surface of the connected component drives the locking cylinder to rotate outwards. The locking cylinder drives the rotating shaft to rotate synchronously, and the nail bead disengages from the middle holding position groove. When the connected component is completely disengaged from the base, the nail bead is embedded in the disengagement position groove.

[0058] like Figure 4 As shown, Figure 4 This is a diagram illustrating the mechanism operation of a high-precision device connection and quick assembly / disassembly device provided by the present invention. Wherein, Figure 4 (a) is an end view of the device in the locked state; Figure 4 (b) is an end view of the disengaged first-stage device; Figure 4 (c) is an end view of the disengaged two-stage device; Figure 4 (d) is an end view of the device in the disengaged state; Figure 4 (e) is an internal cross-sectional view of the device in the locked state; Figure 4 (f) is an internal cross-sectional view of the disengaged first-stage device; Figure 4 (g) is an internal cross-sectional view of the disengaged two-stage device; Figure 4 The middle (h) is an internal cross-sectional view of the device in the disengaged state.

[0059] Specifically, such as Figure 4 (a) and Figure 4 As shown in (e), when in the locked state, the locking cylinder 217, driven by the rotating shaft 218, moves to the left end of the cavity of the base 201. The positioning pin 207 is inserted into the pin hole on the left end face of the locking cylinder 217 to prevent the locking cylinder 217 from rotating. The compression spring 215 is in a compressed state, pushing the locking cylinder 217 from the right side to ensure that it is in contact with the positioning pin 207. At the same time, the pin ball 208, under the action of the pin ball compression spring 209, pops out and embeds into the pin ball groove 220 designed in the rotating shaft 218, further preventing the rotating shaft 218 from axially moving, thereby improving the reliability of the locking state of the locking cylinder 217. The tapered pin at the tail of the rotating shaft 218 is inserted into the tapered pin cover 206 to ensure the fitting accuracy between the locking cylinder 217 and the connected part 100.

[0060] like Figure 4 (b) and Figure 4As shown in (f), when it is necessary to detach the connected part 100, the operator needs to pull the pull ring 212 to compress the compression spring 215 through external force, thereby disengaging the nail bead 208 from the nail bead groove 220. Figure 4 (c) and Figure 4 As shown in (g), pull the ring 212 until you hear the nail ball 208 re-enter the guide groove 219, then stop the operation. At this time, the spring force of the mechanism spring 215 is less than the axial force when the nail ball 208 is engaged with the rotating shaft 218. Without external force, the mechanism remains in this position. At this time, the operator needs to lift the connected part 100 upwards. When the connected part 100 moves upwards, the locking cylinder 217 rotates counterclockwise under the action of the connected part 100, and the locking cylinder 217 drives the rotating shaft 218 to move accordingly. The nail ball 208 disengages from the nail ball groove 220, as... Figure 4 (d) and Figure 4 As shown in (h), when the connected part 100 is completely disengaged from the base 201, the nail bead 208 re-enters the nail bead groove 220. During the process of the connected part 100 being locked and then disengaged, the guide pin 205 slides continuously in the guide groove 219 of the rotating shaft 218, ensuring that the rotating shaft 218 is within a certain angle and stroke range, which can prevent the rotating shaft 218 from moving beyond its stroke due to excessive force applied by the operator.

[0061] Figure 7 The disassembly and assembly method of the high-precision equipment connection quick disassembly and assembly device provided by the present invention, the workflow from the disengaged state to the locked state is as follows: S4: When locking is required, the operator places the connected part into the base. Under the guidance of the guide positioning pin, the bottom surface of the connected part contacts the mating surface of the locking cylinder and drives the locking cylinder to rotate inward until the connected part returns to its position. At this time, the nail bead is embedded in the middle position holding groove. S5: The operator pushes the rotating shaft to disengage the nail bead from the central holding position groove. Under the elastic force of the compression spring assembly, the rotating shaft and the locking cylinder move axially. The positioning pin is inserted into the pin hole of the locking cylinder to achieve locking, and at the same time, the nail bead is embedded in the locking position groove.

[0062] Specifically, when in a detached state, such as Figure 4 (d) and Figure 4As shown in (h), when the connected component 100 is placed into the base 201, the guide positioning pin 202 engages with the positioning pin hole at the bottom of the connected component 100, guiding it downwards. The bottom surface of the connected component 100 contacts the mating surface of the locking cylinder 217, and under the action of gravity or pressure, pushes the locking cylinder 217 to rotate clockwise. The rotation of the locking cylinder 217 drives the rotating shaft 218 to rotate. When the connected component 100 returns to its original position, the locking cylinder 217 and the connected component 100 are tightly fitted together, and the nail bead 208 automatically embeds into the middle position holding groove of the nail bead groove 220, as shown in (h). Figure 4 (b) and Figure 4 As shown in (f). The operator pushes the rotating shaft 218, causing the nail ball 208 to disengage from the middle holding groove of the nail ball groove 220. Under the action of the spring 215, the locking cylinder 217 and the rotating shaft 218 are pushed to move axially, so that the locking cylinder 217 engages with the positioning pin 207. At this time, the nail ball 208 automatically embeds into the locking position groove of the nail ball groove 220, as shown in (f). Figure 4 (a) and Figure 4 As shown in (e).

[0063] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

[0064] While this disclosure has been described with reference to several specific embodiments, it should be understood that this disclosure is not limited to the specific embodiments disclosed. This disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. A high-precision device for quick assembly and disassembly of connected equipment, characterized in that, It includes a connected component and a base assembly, wherein the connected component and the base assembly are fixed together by surface contact and compaction. The base assembly includes a base, a guide positioning pin, a positioning pin holder, a locking cylinder, a rotating shaft, a pin assembly, a guide pin fixing assembly, a manual operating mechanism, and a compression spring assembly; The guide positioning pin is fixed to the base and engages with the tapered hole at the bottom of the connected component; The positioning pin bracket is fixed to the base, and the positioning pin bracket is provided with positioning pins; The locking cylinder is sleeved on the rotating shaft and drives the rotating shaft to rotate. The end face of the locking cylinder facing the positioning pin frame is provided with a pin hole. The rotating shaft passes through the internal cavity of the base and moves axially and rotates around its own axis. Multiple bead grooves are spaced axially on its outer circular surface. The bead assembly includes beads and bead compression springs. The beads are embedded in the bead grooves at different positions on the rotating shaft under the elastic force of the bead compression springs. The guide pin assembly includes a guide pin with a ball head at its bottom end. A guide groove is provided on the rotating shaft, and the ball head is inserted into the guide groove and slides therein. The manual operation mechanism includes a pull ring and a ball head connecting rod. One end of the ball head connecting rod is fixedly connected to the end of the rotating shaft, and the other end is movably connected to the pull ring through a pull ring pin. The compression spring assembly is sleeved on the rotating shaft, with one end abutting against the inner wall of the internal cavity of the base, and the other end abutting against the locking cylinder through a locking plate and a non-metallic carrier plate. It also includes a tapered pin cover fixed to the base, and the tail of the rotating shaft is provided with a tapered pin. The tapered pin is adapted to the inner tapered hole of the tapered pin cover. In the locked state, the tapered pin is inserted into the tapered pin cover to ensure the fitting accuracy between the connected part and the base assembly. The upper end face of the locking cylinder is a mating surface that mates with the bottom surface of the connected component. When the connected component is placed or lifted in a vertical direction, the contact force between the bottom surface of the connected component and the mating surface drives the locking cylinder to rotate around the axis of rotation, thereby causing the axis of rotation to rotate synchronously. The mating surface of the locking cylinder is machined into a wavy surface extending radially, so that the bottom surface of the connected part and the mating surface form a line contact.

2. The high-precision equipment connection and quick disassembly device according to claim 1, characterized in that, The outer circular surface of the rotating shaft is machined with a lubricating oil groove, which is filled with lubricating grease.

3. The high-precision equipment connection and quick disassembly device according to claim 1, characterized in that, The rotating shaft and the hole on the base through which the rotating shaft passes are fitted with an H7 / g6 precision.

4. The high-precision equipment connection and quick disassembly device according to claim 1, characterized in that, A guide post and guide sleeve structure is added between the rotating shaft and the base to improve the fitting accuracy and the smoothness of movement.

5. The high-precision equipment connection and quick disassembly device according to claim 1, characterized in that, The non-metallic carrier is made of an oily non-metallic material and is used to prevent the compression spring assembly from directly contacting and wearing with the base and the locking plate.

6. A method for disassembling and assembling a high-precision equipment connection quick-disassembly and assembly device, comprising using the high-precision equipment connection quick-disassembly and assembly device as described in any one of claims 1 to 5, characterized in that, The workflow for transitioning from the locked state to the unlocked state is as follows: S1: In the locked state, the locking cylinder is engaged with the positioning pin frame under the axial thrust of the compression spring assembly, the positioning pin is inserted into the pin hole on the end face of the locking cylinder, and the pin bead is embedded in the locking position groove on the rotating shaft; S2: When it is necessary to disengage, the operator pulls the pull ring outward, and the ball joint drives the rotating shaft to move axially against the elastic force of the compression spring assembly, so that the nail bead disengages from the locking position groove. Continue to pull until the nail bead is embedded in the middle holding position groove. At this time, release the pull ring, and the rotating shaft is held in the middle holding position by the interlocking force between the nail bead and the groove. S3: The operator lifts the connected component upwards, and the bottom surface of the connected component drives the locking cylinder to rotate outwards. The locking cylinder drives the rotating shaft to rotate synchronously, and the nail bead disengages from the middle holding position groove. When the connected component is completely disengaged from the base, the nail bead is embedded in the disengagement position groove.

7. A method for disassembling and assembling a high-precision equipment connection quick-disassembly and assembly device, comprising using the high-precision equipment connection quick-disassembly and assembly device as described in any one of claims 1 to 5, characterized in that, The workflow for transitioning from the disengaged state to the locked state is as follows: S4: When locking is required, the operator places the connected part into the base. Under the guidance of the guide positioning pin, the bottom surface of the connected part contacts the mating surface of the locking cylinder and drives the locking cylinder to rotate inward until the connected part returns to its position. At this time, the nail bead is embedded in the middle position holding groove. S5: The operator pushes the rotating shaft to disengage the nail bead from the central holding position groove. Under the elastic force of the compression spring assembly, the rotating shaft and the locking cylinder move axially. The positioning pin is inserted into the pin hole of the locking cylinder to achieve locking, and at the same time, the nail bead is embedded in the locking position groove.

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