Quick remodeling mechanism and lifting device

Abstract

The utility model discloses a rapid remodeling mechanism and a lifting device, and relates to the technical field of motor manufacturing, and the rapid remodeling mechanism comprises a mounting seat; the model changing seat is rotationally arranged on the mounting seat; the multiple adjusting assemblies are arranged on the model changing base in the circumferential direction at intervals, and the lengths of the adjusting assemblies are different; and the limiting piece is used for connecting the mounting base and the model changing base so that the model changing base can be in a locked state, the limiting piece is separated from the model changing base so that the model changing base can be in an unlocked state, and in the unlocked state, the model changing base rotates so that the adjusting assemblies with different lengths can rotate to working positions. According to the technical scheme provided by the utility model, quick switching of the adjusting assemblies with different specifications is realized through one model changing seat, and screws do not need to be disassembled for repositioning and fixing, so that the steps are greatly simplified, the preparation time is obviously reduced, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor manufacturing technical field, especially quick change mechanism and lifting device of a kind of. BACKGROUND

[0002] With the upgrading of industry, the demand of intelligent manufacturing is increasingly prosperous, the requirement of automation equipment is higher and higher, the equipment can be compatible with multiple products, and can satisfy the production demand of different products, the tooling and fixture on production line need to be frequently replaced to adapt to different product specifications and production process, however, the traditional tooling and fixture change type mode mostly relies on screw locking mechanism, there is obvious limitation in actual operation, such as each time change type needs to use specific tool to tighten or loosen screw, not only increase the time cost of change type, and under frequent operation, screw hole is easily worn, thereby affecting the stability and service life of tooling. SUMMARY

[0003] The main purpose of the utility model is to provide a kind of quick change mechanism and lifting device, to solve the problem of high time cost of workpiece change type.

[0004] To achieve the above-mentioned purpose, the quick change mechanism provided by the utility model comprises:

[0005] mounting seat;

[0006] change type seat, rotationally arranged in the mounting seat;

[0007] adjusting assembly, multiple, multiple adjusting assemblies are arranged in the change type seat along the circumference, and the length of each adjusting assembly is different;And

[0008] limiting piece, for connecting the mounting seat and the change type seat, so that the change type seat is in the locked state, the limiting piece is separated from the change type seat to make the change type seat in the unlocked state, in the unlocked state, the change type seat rotates to make the adjusting assembly of different lengths rotate to the working position.

[0009] In an embodiment, the mounting seat comprises a first seat body and a second seat body, the quick change mechanism further comprises a connecting piece, the connecting piece is used for connecting the first seat body and the second seat body, the first seat body and the second seat body are combined to form a through hole, the change type seat is arranged in the through hole, in the locked state, the limiting piece passes through the first seat body and the change type seat in turn.

[0010] In an embodiment, the change type seat comprises:

[0011] change type main body, arranged in the through hole;

[0012] A rotating disc is arranged at both ends of the mold changing body along the axial direction and coaxially arranged with the mold changing body, and an anti-skid groove is arranged on the outer periphery of the rotating disc.

[0013] In an embodiment, a plurality of screw holes are arranged on the top surface of the mold changing seat at intervals in the circumferential direction, and the adjusting assembly is threadedly connected with the screw holes to adjust the length of the adjusting assembly outside the screw holes.

[0014] In an embodiment, the adjusting assembly comprises:

[0015] An adjusting screw is threadedly connected with the screw hole.

[0016] A limiting nut is threadedly connected with the adjusting screw.

[0017] The utility model also provides a lifting device, which comprises:

[0018] A mounting mechanism;

[0019] A mounting plate is arranged on the mounting mechanism and moves along the vertical direction on the mounting mechanism;

[0020] A first linear driving member is drivingly connected with the mounting plate to drive the mounting plate to ascend and descend;

[0021] A first buffer assembly is arranged on one side of the mounting plate facing the mounting mechanism and corresponds to a working position;

[0022] A mold changing mechanism, which is the quick mold changing mechanism according to any one of the above embodiments, is arranged on the mounting mechanism; and

[0023] The first linear driving member drives the mounting plate to descend so that the first buffer assembly abuts against the adjusting assembly of the working position, thereby limiting the descending of the mounting plate.

[0024] In an embodiment, the mounting mechanism comprises:

[0025] A first support plate, and the mold changing mechanism is arranged on one side of the first support plate;

[0026] A second linear driving member is drivingly connected with the first support plate to drive the first support plate to move along a first direction;

[0027] A third linear driving member is arranged on the first support plate;

[0028] A second support plate, and the third linear driving member is drivingly connected with the second support plate to drive the second support plate to ascend and descend, and the third linear driving member is arranged on one side of the second support plate.

[0029] In an embodiment, the lifting device further comprises a second buffer assembly arranged at the bottom of the second support plate, and the changing mechanism comprises a changing seat, and a mounting block is arranged at the bottom of the changing seat, and the mounting block is used for limiting the upward movement of the second support plate.

[0030] In an embodiment, the first buffer assembly and / or the second buffer assembly is configured as an oil pressure buffer.

[0031] In an embodiment, the lifting device further comprises a scissor assembly, and the scissor assembly is arranged at least one and is arranged along the length direction of the mounting plate, and the lifting device further comprises a fourth linear drive member, and the fourth linear drive member drives the scissor assembly to move along the length direction of the mounting plate.

[0032] In the technical scheme of the utility model, the changing mechanism comprises a mounting seat, one changing seat is rotationally arranged on the mounting seat, a plurality of adjusting assemblies with different lengths are circumferentially and interval arranged on the changing seat, and the mounting seat has one working position, and the adjusting assemblies work at the corresponding working positions, when different lengths of workpieces need to be changed, the adjusting assembly with the required length is rotated to the corresponding working position by rotating the changing seat, the quick switching of adjusting assemblies with different specifications is realized by one changing seat, the steps are greatly simplified, the preparation time is significantly reduced, the production efficiency is improved, and the abrasion caused by frequent tightening and loosening of screws is avoided by rotating the changing seat, thereby prolonging the service life of the equipment; the changing mechanism further comprises a limiting piece, when the changing seat does not need to be rotated, the changing seat is sequentially inserted into the mounting seat and the changing seat, so that the changing seat is in a locked state, the changing seat is prevented from rotating, the accuracy and stability of the current adjusting assembly position are ensured, processing is facilitated, when workpieces with other lengths need to be adjusted, the limiting piece is separated from the changing seat, so that the changing seat is in an unlocked state and can be freely rotated, so that the appropriate adjusting assembly is rotated to the working position to work, the limiting piece is arranged, accidental movement of the changing seat caused by accidental touch during production is effectively avoided, and the working reliability and safety of the system are enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0033] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can obtain other drawings from the structures shown in the drawings without creating labor.

[0034] Figure 1 It is an embodiment of the structure schematic diagram of the quick changing mechanism provided by the utility model;

[0035] Figure 2 The structural schematic view of the type changing seat provided by the utility model is shown in the figure.

[0036] Figure 3 The structural schematic view of the lifting device one embodiment provided by the utility model is shown in the figure.

[0037] Figure 4 The structural schematic view of the mounting mechanism one embodiment provided by the utility model is shown in the figure.

[0038] Explanation of the reference signs:

[0039] 10, type changing mechanism;

[0040] 110, mounting seat; 111, first seat body; 112, second seat body; 113, connecting piece;

[0041] 120, type changing seat; 121, type changing main body; 122, rotating disc; 123, anti-skid groove; 124, mounting block; 125, limiting hole;

[0042] 130, adjusting assembly; 131, adjusting screw; 132, limiting nut;

[0043] 140, limiting piece;

[0044] 20, mounting mechanism;

[0045] 200, first support plate; 201, first plate block; 202, second plate block;

[0046] 210, second linear driving piece;

[0047] 220, third linear driving piece;

[0048] 230, second support plate; 231, third plate block; 232, fourth plate block;

[0049] 30, mounting plate; 300, first connecting plate;

[0050] 40, first linear driving piece;

[0051] 50, first buffer assembly;

[0052] 60, second buffer assembly;

[0053] 70, scissor assembly;

[0054] 80, fourth linear driving piece.

[0055] The realization, functional features and advantages of the utility model will be further explained by combining with the embodiments and referring to the drawings. DETAILED DESCRIPTION

[0056] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0057] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture, and if the specific posture changes, the directional indications also change accordingly.

[0058] In addition, if the embodiments of the present application involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skill in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0059] The present application provides a quick change mechanism and a lifting device.

[0060] Please refer to Figure 1 and Figure 2 In an embodiment of the present application, the quick change mechanism 10 comprises:

[0061] a mounting seat 110;

[0062] a change seat 120 rotatably arranged on the mounting seat 110;

[0063] a plurality of adjusting assemblies 130, the plurality of adjusting assemblies 130 are arranged on the change seat 120 in a circumferential direction and are spaced apart from each other, and the length of each adjusting assembly 130 is different; and

[0064] The limiting piece 140 is used for connecting the mounting seat 110 and the changing seat 120, so that the changing seat 120 is in the locking state, the limiting piece 140 is separated from the changing seat 120, so that the changing seat 120 is in the unlocking state, and in the unlocking state, the changing seat 120 rotates to rotate the adjusting assembly 130 of different lengths to the working position.

[0065] The technical scheme of the utility model discloses, changing mechanism 10 includes mounting seat 110, be provided with one changing seat 120 on mounting seat 110 and rotate, multiple length different adjusting assembly 130 are arranged at changing seat 120 along the circumferential interval, there is a working position on mounting seat 110, and adjusting assembly 130 works at corresponding working position, when needing to replace the workpiece of different lengths, rotating changing seat 120 makes the adjusting assembly 130 of required length rotate to corresponding working position, that is, through one changing seat 120, the quick switching of different specifications adjusting assembly 130 is realized, need not to disassemble screw and reposition and fixed, greatly simplify the step, significantly reduce preparation time, improve production efficiency, and also can avoid the abrasion caused by frequently tightening and loosening screw by rotating changing seat 120, prolong the service life of equipment, changing mechanism 10 still includes limiting piece 140, when not needing rotating changing seat 120, changing seat 120 is inserted mounting seat 110 and changing seat 120 in proper order, so that changing seat 120 is in the locking state, prevents changing seat 120 from rotating, guarantees the accuracy and stability of current adjusting assembly 130 position, is convenient for processing, when needing to adjust the workpiece of other lengths, separating limiting piece 140 on changing seat 120 makes changing seat 120 enter the unlocking state, can rotate freely, so that suitable adjusting assembly 130 rotates to the working position and works, through the setting of limiting piece 140, effectively avoid the accidental movement of changing seat 120 due to mistaken touch and other reasons in the production process, enhance the working reliability and safety of system.

[0066] Specifically, please refer to Figure 1 And Figure 2A through hole is arranged on one side of the mounting seat 110, a plurality of limiting holes 125 are arranged on the outer periphery of the type changing seat 120 in a circumferential direction, the number of the limiting holes 125 is the same as the number of the adjusting assemblies 130, and the interval distance is the same, so that when each adjusting assembly 130 moves to a working position, one limiting hole 125 rotates to the corresponding through hole, the limiting piece 140 passes through the through hole from the outside to the inside and extends into the limiting hole 125, the mounting seat 110 and the type changing seat 120 are tightly connected, the type changing seat 120 is locked and prevented from rotating, the limiting piece 140 is a dividing pin, has good wear resistance and strength, and can be used for a long time, and the use of the dividing pin is relatively simple; when it is required to rotate the type changing seat 120, the dividing pin is pulled out outward to unlock the type changing seat 120, and then the type changing seat 120 is rotated to a required position, and then the dividing pin is inserted again to complete the whole type changing process, and the working process is simple and easy to operate.

[0067] Please refer to Figure 1 In the embodiment of the utility model, the mounting seat 110 includes a first seat body 111 and a second seat body 112, and the quick type changing mechanism 10 further includes a connecting piece 113, the connecting piece 113 is used for connecting the first seat body 111 and the second seat body 112, the first seat body 111 and the second seat body 112 form a through hole, and the type changing seat 120 is arranged in the through hole; in the locking state, the limiting piece 140 passes through the first seat body 111 and the type changing seat 120 in sequence.

[0068] Specifically, the mounting seat 110 is divided into the first seat body 111 and the second seat body 112, the first seat body 111 and the second seat body 112 are connected through the connecting piece 113, the first seat body 111 and the second seat body 112 are detachably connected, the type changing seat 120 is convenient to replace and maintain, the connecting piece 113 adopts a shoulder screw, the first seat body 111 and the second seat body 112 can keep a certain gap, the type changing seat 120 is convenient to rotate, and the overall stability and firmness of the structure are ensured, and deformation caused by too tight connection is avoided.

[0069] Please refer to Figure 1 and Figure 2 In the embodiment of the utility model, the type changing seat 120 includes:

[0070] The type changing main body 121 is arranged in the through hole;

[0071] The rotating disc 122 is arranged at both ends of the type changing main body 121 in an axial direction and is coaxially arranged with the type changing main body 121, and the outer periphery of the rotating disc 122 is provided with an anti-skid groove 123.

[0072] Specifically, the shape-changing seat 120 includes a shape-changing body 121 and a rotating disc 122, the shape-changing body 121 is cylindrical, which is arranged in the through hole, and the hole diameter of the shape-changing body 121 is smaller than the inner diameter of the through hole, the rotating disc 122 is arranged at both ends of the shape-changing body 121, and the outer diameter of the rotating disc 122 is larger than the shape-changing body 121, when the shape-changing body 121 is placed in the through hole, the rotating disc 122 is outside the through hole, so as to prevent the shape-changing body 121 from being separated from the mounting seat 110, and the outer periphery of the rotating disc 122 is provided with anti-skid grooves 123 at intervals, so as to facilitate holding the rotating disc 122.

[0073] Please refer to Figure 1 In the embodiment of the utility model, the top surface of the shape-changing seat 120 is provided with a plurality of screw holes at intervals in the circumferential direction, the adjusting assembly 130 is threadedly connected with the screw holes, so as to adjust the length of the adjusting assembly 130 outside the screw holes, the length of the part protruding outside the rotating disc 122 is increased or reduced by rotating the adjusting assembly 130, so as to change the working length of the adjusting assembly 130, on the basis of adjusting the length of the adjusting assembly 130 in the working position by rotating the shape-changing seat 120, the adjusting assembly 130 is further provided with threadedly connected with the screw holes, so as to adjust the length, further meet the needs of production, and the threadedly connected arrangement is convenient for replacing or repairing the adjusting assembly 130.

[0074] Please refer to Figure 1 and Figure 2 In the embodiment of the utility model, the adjusting assembly 130 comprises:

[0075] The adjusting screw 131 is threadedly connected with the screw hole;

[0076] The limiting nut 132 is threadedly connected with the adjusting screw 131.

[0077] Specifically, the adjusting assembly 130 comprises the adjusting screw 131 and the limiting nut 132, the adjusting screw 131 is provided with external threads and is matched with the screw hole, the limiting nut 132 is screwed on the adjusting screw 131, the adjusting screw 131 is inserted into the screw hole, the height of the adjusting screw 131 exposed outside the shape-changing seat 120 is adjusted by rotating the adjusting screw 131, after the height of the adjusting screw 131 is adjusted, the limiting nut 132 is rotated, so as to be attached to the rotating disc 122, the adjusting screw 131 is further fixed,

[0078] Please refer to Figure 3 and Figure 4 The utility model also proposes a lifting device, the lifting device comprises the quick shape-changing mechanism 10, the specific structure of the quick shape-changing mechanism 10 refers to the above embodiment, because the lifting device adopts all the technical schemes of the above all embodiments, so at least has all the beneficial effects brought by the technical scheme of the above embodiment, here will not repeat, wherein the lifting device further comprises:

[0079] The mounting mechanism 20, the changing mechanism 10 is arranged on the mounting mechanism 20;

[0080] The mounting plate 30 is arranged on the mounting mechanism 20, and the mounting plate 30 moves along the vertical direction on the mounting mechanism 20;

[0081] The first linear drive 40 is drivenly connected with the mounting plate 30 to drive the mounting plate 30 to ascend and descend;

[0082] The first buffer assembly 50 is arranged on the side of the mounting plate 30 towards the mounting mechanism 20 and corresponds to the working position; and

[0083] The first linear drive 40 drives the mounting plate 30 to descend so that the first buffer assembly 50 abuts against the adjusting assembly 130 of the working position, for limiting the descending of the mounting plate 30.

[0084] In the technical scheme of the utility model, the lifting device comprises a mounting mechanism 20, one mounting plate 30 is arranged on the mounting mechanism 20, i.e. one mounting mechanism 20 is arranged on each side of the mounting plate 30, the first linear drive 40 drives the mounting plate 30 to slide along the vertical direction on the mounting mechanism 20, one first buffer assembly 50 corresponding to the working position is arranged on the mounting plate 30, when the first linear drive 40 drives the mounting plate 30 to descend, the first buffer assembly 50 abuts against the adjusting assembly 130, at this time, the mounting plate 30 cannot descend, so that the mounting plate 30 stays at the corresponding position, some machining structures are arranged on the mounting plate 30, and subsequent processes are carried out, if it is necessary to adjust the height position where the mounting plate 30 stays, it is necessary to adjust the height of the adjusting assembly 130 of the working position, and then the height of the mounting plate 30 is adjusted, wherein the first linear drive 40 can adopt a cylinder, since the piston rod of the cylinder has fixed extension stroke, after the piston rod extends, the height of the mounting plate 30 cannot be adaptively adjusted, the changing mechanism 10 is arranged, so that the height of the mounting plate 30 is adjustable, and the lowest height of the mounting plate 30 descending can be adjusted only by rotating the changing seat 120, which is simple and easy to operate, a first connecting plate 300 extending vertically is arranged on the side of the mounting plate 30 towards the mounting mechanism 20, a guide rail is arranged on the first connecting plate 300, a sliding block is arranged on the mounting mechanism 20, the cylinder body of the cylinder is fixed on one side of the mounting plate 30, and the piston rod is connected with the mounting mechanism 20, when the cylinder is started, since the end of the piston rod extending out of the cylinder body is fixed with the mounting mechanism 20, and the mounting mechanism 20 is fixed, the mounting plate 30 descends together with the cylinder body.

[0085] Please refer to Figure 3 And Figure 4 In the embodiment of the utility model, the mounting mechanism 20 comprises:

[0086] The first support plate 200, the changing mechanism 10 is arranged on one side of the first support plate 200;

[0087] The second linear driving member 210 is drivingly connected with the first support plate 200 to drive the first support plate 200 to move along the first direction;

[0088] The third linear driving member 220 is arranged on the first support plate 200.

[0089] The second support plate 230 is drivingly connected with the third linear driving member 220 to drive the second support plate 230 to lift, and the third linear driving member 220 is arranged on one side of the second support plate 230.

[0090] Specifically, the mounting mechanism 20 comprises the first support plate 200, the first support plate 200 comprises a first plate 201 arranged horizontally and a second plate 202 arranged vertically, the second linear driving member 210 is arranged to drive the first plate 201 and drive the first support plate 200 to move along the horizontal direction, the third linear driving member 220 is arranged on the side of the first plate 201 where the second plate 202 is arranged, the output end of the third linear driving member 220 faces upward, and the third linear driving member 220 is drivingly connected with a second support plate 230, the second support plate 230 comprises a third plate 231 arranged horizontally and a fourth plate 232 arranged vertically, and the third plate 231 is connected with the fourth plate 232, the third linear driving member 220 is drivingly connected with the third plate 231, the fourth plate 232 is arranged away from the side of the second plate 202 where the third linear driving member 220 is arranged, and the opposite side of the fourth plate 232 and the second plate 202 is respectively provided with a guide rail and a sliding block, when the third linear driving member 220 drives the third plate 231 to lift, the fourth plate 232 lifts along the second plate 202; the output end of the first linear driving member 40 is connected with the end of the third plate 231 away from the third linear driving member 220, and the first connecting plate 300 lifts relative to the fourth plate 232, so that the mounting plate 30 can lift relative to the second support plate 230, through the arrangement of the third linear driving member 220 and the second support plate 230, the mounting plate 30 can be lifted in two stages, and the lifting range is expanded.

[0091] The second linear driving member 210 and the third linear driving member 220 can adopt structures such as air cylinders, hydraulic cylinders or electric telescopic rods.

[0092] Please refer to Figure 3 In the embodiment of the utility model, the lifting device further comprises a second buffering assembly 60, the second buffering assembly 60 is arranged at the bottom of the second support plate 230, the shape changing mechanism 10 comprises a shape changing seat 120, the shape changing seat 120 is provided with a mounting block 124 at the bottom, and the mounting block 124 is used for limiting the upward movement of the second support plate 230.

[0093] Specifically, the changing mechanism 10 is installed on the second plate 202, and the specific structure of the changing seat 120 has been described in detail in the above embodiment. The mounting block 124 is arranged on the rotating disc 122 at the bottom, and the bottom of the fourth plate 232 is provided with a second buffer assembly 60. When the third linear driving member 220 drives the second supporting plate 230 to rise, the second buffer assembly 60 abuts against the mounting block 124, so as to limit the mounting block 124, prevent the second supporting plate 230 from continuously rising, and further adjust the height of the mounting plate 30.

[0094] Please refer to Figure 3 In the embodiment of the utility model, the first buffer assembly 50 and / or the second buffer assembly 60 are configured as oil pressure buffers.

[0095] Specifically, when the first linear driving member 40 drives the mounting plate 30 to descend, the first buffer assembly 50 contacts the adjusting assembly 130, reduces vibration and displacement in use, and improves the stability of the device. Since the oil pressure buffer is filled with hydraulic oil inside, when contacting the adjusting assembly 130, the hydraulic oil is compressed by the piston to absorb energy, absorb and slow down part of the impact force, reduce the damage of hard contact to the adjusting assembly 130 and other structures, and the second buffer assembly 60 is the same. When the third linear driving member 220 drives the second mounting plate 30 to descend, the second buffer assembly 60 contacts the mounting block 124 at the bottom of the changing seat 120 to absorb the impact force.

[0096] Please refer to Figure 3 In the embodiment of the utility model, the lifting device further comprises a scissors assembly 70, the scissors assembly 70 is arranged at least one, and is arranged along the length direction of the mounting plate 30, the lifting device further comprises a fourth linear driving member 80, the fourth linear driving member 80 drives the scissors assembly 70 to move along the length direction of the mounting plate 30.

[0097] Specifically, the fourth linear driving member 80 is arranged on one side of the mounting plate 30, and a lead screw module is adopted in the embodiment. A plurality of connecting seats are threadedly connected to the outer periphery of the lead screw. The connecting seats are threadedly connected with the lead screw. Each connecting seat is fixedly connected with one scissors assembly 70. The scissors assembly 70 is driven by the fourth linear driving member 80 to move along the length direction of the lead screw. Specifically, a plurality of scissors assemblies 70 can be arranged to drive a plurality of scissors assemblies 70 to move simultaneously. The scissors assembly 70 in the embodiment can be applied to a stator / rotor winding machine. When winding is completed, the paint skin wire is cut by the scissors assembly 70. The scissors assembly 70 is a conventional arrangement, and will not be described in detail. The scissors assembly 70 can also adopt other mechanical structures to complete the corresponding process.

[0098] The above merely illustrates the exemplary embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation or direct / indirect application in other related technical fields under the technical concept of the present application and by using the content of the present application specification and drawings are included in the patent protection scope of the present application.

Claims

1. A quick change mechanism, characterized by, The quick-change mechanism comprises: a mounting seat; a change seat rotatably arranged on the mounting seat; a plurality of adjusting assemblies, the adjusting assemblies being arranged on the change seat at intervals in a circumferential direction, and each of the adjusting assemblies having a different length; a limiting member for connecting the mounting seat and the change seat, so that the change seat is in a locked state, and the limiting member is separated from the change seat, so that the change seat is in an unlocked state, and in the unlocked state, the change seat is rotated to rotate the adjusting assemblies of different lengths to a working position. The mounting seat comprises a first seat body and a second seat body, and the quick-change mechanism further comprises a connecting member for connecting the first seat body and the second seat body, the first seat body and the second seat body being combined to form a through hole, and the change seat being arranged in the through hole, and in the locked state, the limiting member sequentially passes through the first seat body and the change seat.

2. The quick change mechanism of claim 1, wherein, The change seat comprises:

3. The quick change mechanism of claim 2, wherein, a change main body arranged in the through hole; a rotating disc arranged at both ends of the change main body in an axial direction and coaxially arranged with the change main body, and an anti-skid groove being arranged on an outer periphery of the rotating disc. A top surface of the change seat is arranged with a plurality of screw holes at intervals in a circumferential direction, and the adjusting assemblies are threadedly connected with the screw holes to adjust the lengths of the adjusting assemblies outside the screw holes.

4. The quick change mechanism of claim 3, wherein, The adjusting assembly comprises:

5. The quick change mechanism of claim 4, wherein, an adjusting screw threadedly connected with the screw hole; a limiting nut threadedly connected with the adjusting screw. The mounting mechanism comprises:

6. A lifting device, characterized in that a mounting plate arranged on the mounting mechanism and vertically moving on the mounting mechanism; a first linear driving member drivingly connected with the mounting plate to drive the mounting plate to ascend and descend; a first buffer assembly arranged on a side of the mounting plate facing the mounting mechanism and corresponding to a working position; a change mechanism, such as the quick-change mechanism of any one of claims 1 to 5, arranged on the mounting mechanism; and wherein the first linear driving member drives the mounting plate to descend so that the first buffer assembly abuts against the adjusting assembly of the working position to limit the descending of the mounting plate. The mounting mechanism comprises: a first support plate, the change mechanism being arranged on one side of the first support plate; 7. The lift device of claim 6, wherein, a second linear driving member drivingly connected with the first support plate to drive the first support plate to move in a first direction; a third linear driving member arranged on the first support plate; a second support plate, the third linear driving member drivingly connecting the second support plate to drive the second support plate to ascend and descend, and the third linear driving member being arranged on one side of the second support plate. The lifting device further comprises a second buffer assembly arranged on a bottom of the second support plate, and the change mechanism comprises a change seat, and a mounting block is arranged on a bottom of the change seat, and the mounting block is used to limit the ascending of the second support plate. The first buffer assembly and / or the second buffer assembly are configured as an oil pressure buffer.

8. The lift device of claim 7, wherein, ​ 9. The lift device of claim 8, wherein, ​ 10. The lift device of claim 6, wherein, The lifting device further comprises a scissors assembly, at least one of which is arranged along the length direction of the mounting plate, and the lifting device further comprises a fourth linear driving member, which drives the scissors assembly to move along the length direction of the mounting plate.

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