WO2020125680A1

WO2020125680A1 - Automatic insertion device for insulation slot wedge of motor stator

Info

Publication number: WO2020125680A1
Application number: PCT/CN2019/126313
Authority: WO
Inventors: 卓奇周; 郑礼仁; 康亿
Original assignee: 广州市卓易精密机械有限公司
Priority date: 2018-12-20
Filing date: 2019-12-18
Publication date: 2020-06-25
Also published as: CN109546814B; DE212019000126U1; CN109546814A

Abstract

An automatic insertion device for an insulation slot wedge (600) of a motor stator (400), comprising a workpiece mounting plate (300), a control unit and a feeding device (500) connected to the control unit, a pre-insertion indexing mechanism (100) and an insertion mechanism (200). The workpiece mounting plate (300) is used to mount the motor stator (400); the pre-insertion indexing mechanism (100) comprises a temporary storage device (102), a temporary storage hole (1021) arranged at a position corresponding to a wedge mounting hole (401) of the motor stator (400) is provided on the temporary storage device (102), and the feeding device (500) is used to mount the slot wedge (600) into the temporary storage hole (1021); a turntable (1022) capable of making itself revolve is provided on the temporary storage device (102), and the turntable (1022) is connected to the control unit; and the insertion mechanism (200) is used to drive the slot wedge (600) in the temporary storage hole (1021) to be inserted into the wedge mounting hole (401) of the motor stator (400). The present automatic insertion device has high production efficiency, situations in which the slot wedge (600) is not inserted or the slot wedge (600) is easily bent during the insertion process will not occur, and the first pass yield of the motor stator (400) is thus improved.

Description

Automatic insertion device for insulating slot wedge of motor stator Technical field

[0001] The present invention relates to the field of compressor motor stators, and more particularly, to a motor stator insulating slot wedge automatic insertion device.

Background technique

[0002] The electric motor includes a stator and a rotor provided in the stator. The stator includes a stator core and a stator winding. The stator core is composed of a rear yoke and teeth. The rear yoke constitutes a cylindrical portion of the outer edge. The teeth are provided inside the rear yoke and wind the stator winding. In order to increase the insulation of the stator and improve the electromagnetic conversion efficiency of the motor, it is necessary to insert an insulating slot wedge into the slot mounting hole of the motor stator. 5 In the prior art, the insulating slot wedges are usually inserted into the slot mounting holes of the motor stator manually. The manual method not only produces low efficiency, but also has multiple slot wedge mounting holes to install the insulating slot wedges. In the case of insertion, in addition, when manually inserting the insulating slot wedge, due to improper manual force, the insulating slot wedge may be bent during the insertion process, which will reduce the qualification rate of the motor stator.

Summary of the invention

technical problem

[0003] The present invention aims to overcome at least one of the above-mentioned defects in the prior art, and provides an automatic insertion device for an insulating slot wedge of a motor stator, which has high production efficiency and does not cause a situation where the insulating slot wedges are missed and the insertion process It is not easy to bend the insulating slot wedge, which improves the pass rate of the motor stator.

Solution to the problem

Technical solution

[0004] The technical solution adopted by the present invention is: to provide a motor stator insulating slot wedge automatic insertion device, including a workpiece mounting disk, a control unit and a feeding device connected to the control unit, a pre-insertion indexing mechanism and an insertion mechanism; The installation disk is used to install the motor stator; the pre-insertion indexing mechanism includes a temporary storage device, and the temporary storage device is provided with a temporary storage hole at a position corresponding to the motor stator slot wedge installation hole, and the feeding device is used to load the slot wedge into the temporary storage In the hole; the temporary storage device is provided with a turntable capable of revolving itself and the turntable is connected with the control unit; the insertion mechanism is used to drive the slot wedge in the temporary storage hole to be inserted into the stator wedge mounting hole of the motor. Beneficial effects of invention

Beneficial effect

[0005] Compared with the prior art, the beneficial effects of the present invention are: loading the slot wedge into the temporary storage hole on the temporary storage device through the feeding device, and then rotating the rotary device to rotate the temporary storage device and rotating the temporary storage device The temporary storage hole on the temporary storage device is in direct alignment with the motor stator slot wedge mounting hole after being in place, and the slot wedge in the temporary storage hole is driven into the motor stator slot wedge mounting hole by the insertion mechanism, the slot wedge automatic insertion device has high production efficiency, There will be no leakage insertion of insulating slot wedges, and it is not easy to bend the insulating slot wedges during the insertion process, which improves the pass rate of the motor stator.

Brief description of the drawings

BRIEF DESCRIPTION

[0006] FIG. 1 is a schematic structural view of an automatic insertion device for an insulating slot wedge of a motor stator according to this embodiment.

[0007] FIG. 2 is a connection schematic diagram of a motor stator, a workpiece mounting disk, and a motor stator lifting drive device in this embodiment.

[0008] FIG. 3 is a schematic diagram of a motor stator mounted on a workpiece mounting plate in this embodiment.

[0009] FIG. 4 is a schematic diagram of a pre-insertion indexing mechanism in this embodiment.

[0010] FIG. 5 is a schematic diagram of a temporary storage device and a rotation storage device of the temporary storage device in this embodiment, wherein the temporary storage device is in an explosive state.

[0011] FIG. 6 is a top view of the top tray in this embodiment.

[0012] FIG. 7 is a top view of the guide disk in this embodiment.

[0013] FIG. 8 is an enlarged view of A in FIG. 7.

[0014] FIG. 9 is a schematic diagram of the feeding device in this embodiment.

[0015] FIG. 10 is a schematic diagram of the insertion mechanism inserting the slot wedge into the slot hole of the stator slot of the motor. For clarity, the temporary storage device only shows the top plate and the guide plate.

[0016] FIG. 11 is a schematic diagram of the connection of the pre-insertion indexing mechanism with the feeding device, the insertion mechanism and the motor stator.

[0017] FIG. 12 is a schematic diagram of a slot wedge.

[0018] FIG. 13 is an explanatory diagram of a process of inserting a slot wedge by the automatic insertion device of this embodiment.

Invention Example Embodiments of the invention

[0019] The drawings of the present invention are for illustrative purposes only, and cannot be construed as limiting the present invention. In order to better illustrate the following embodiments, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the actual product size; for those skilled in the art, some well-known structures and descriptions in the drawings may be omitted. Understandable.

Examples

[0020] As shown in FIGS. 1 to 12, this embodiment provides a motor stator insulating slot wedge automatic insertion device, including a workpiece mounting plate 300, a control unit and a feeding device 500 connected to the control unit, pre-insertion points Degree mechanism 100 and insertion mechanism 200; workpiece mounting plate 300 is used to install the motor stator 400; pre-insertion indexing mechanism 100 includes a temporary storage device 102, the temporary storage device 102 and the motor stator 400 slot wedge mounting hole 401 corresponding to the position There is a temporary storage hole 1021, and the loading device 500 is used to install the slot wedge 600 into the temporary storage hole 1021; the temporary storage device 102 is provided with a turntable 1022 capable of revolving itself and the turntable 1022 is connected to the control unit; an insertion mechanism 200 The slot wedge 600 for driving the temporary storage hole 1021 is inserted into the slot wedge mounting hole 401 of the motor stator 400.

[0021] The rotation of the turntable 1022 makes the temporary storage device 102 revolve. After the temporary storage device 102 revolves, the temporary storage hole 1021 on the temporary storage device 102 and the motor stator 400 slot wedge mounting hole 401 face each other.

[0022] Wherein, as shown in FIG. 9, the loading device 500 includes a slot wedge placement mechanism, a slot wedge traction mechanism 501, a loading port, a trimming mechanism 502 and a flattening mechanism 503, between the slot wedge placement mechanism and the loading port A slot wedge guide mechanism 504 is provided. The slot wedge guide mechanism 504 is provided with a slot wedge discharge channel. The slot wedge 600 is provided on the slot wedge placement mechanism. The slot wedge traction mechanism 501 is connected to the control unit and is used to draw the slot wedge 600 to the feed The trimming mechanism 502 is provided at the feeding port and connected to the control unit for trimming the groove wedge 600. After trimming the groove wedge 600, a part of the groove wedge 600 protrudes from the temporary storage hole 1021, and the flattening mechanism is connected to the control unit And used to press the slot wedge 600 protruding from the temporary storage hole 1021 into the temporary storage hole 1021, the trimming mechanism 502 may be scissors, the flattening mechanism 503 may include a flattening driving device and a flattening block, and the flattening driving device drives the flattening The block moves to press the slot wedge 600 protruding from the temporary storage hole 1021 into the temporary storage hole 1021.

[0023] In addition, as shown in FIG. 10, the insertion mechanism 200 includes a pin 201, a pin fixing plate 202, a guide rod 203, a guide rod fixing plate 204, and a pin driving device 205, and the pin 201 is fixed to the pin fixing plate Below 201, the guide rod 203 is used to connect the guide rod fixing plate 204 and the pin fixing plate 202, and the pin drive device 205 is connected to the control unit and is used to drive the pin fixing plate 202 and the pin 201—to move up and down along the guide rod 203 Movement, plug When the needle 201 descends, a force is applied to the slot wedge 600 in the temporary storage hole 1021. The slot wedge 600 is inserted into the stator wedge mounting hole 401 of the motor under the action of the pin 201. The pin drive device 205 may be an air cylinder.

[0024] As shown in FIG. 1, FIG. 11 and FIG. 13, when using the slot wedge automatic insertion device, the slot wedge 500 is loaded into the temporary storage hole 1021 on the temporary storage device 102 through the feeding device 500, and then passed through the turntable The rotation of 1022 causes the temporary storage device 102 to rotate. After the temporary storage device 102 is repositioned, the temporary storage hole 1021 on the temporary storage device 102 and the motor stator 40 slot mounting hole 401 face each other, and the temporary storage hole 1021 is driven by the insertion mechanism 200 The slot wedge 600 is inserted into the slot wedge mounting hole 401 of the motor stator 400. The automatic insertion device of the slot wedge has high production efficiency, and the insulating slot wedge is not missed, and the insulating slot wedge is not easily bent during the insertion process. The pass rate of the motor stator.

[0025] In this embodiment, as shown in FIG. 4, the turntable 1022 has a Y-shaped structure as a whole, and a temporary storage device 102 is provided at each of the three heads of the Y-shaped structure. This arrangement allows the loading device 500 and the insertion mechanism 200 to work simultaneously, improving production efficiency. The Y-shaped structure of the turntable 1022 has a smooth edge.

[0026] Among them, a turntable drive structure 1031 connected to the control unit is provided at the center of the turntable 1022, and the turntable drive structure 1031 is a torque motor; a turntable mounting base 1032 for installing the turntable drive structure 1031 is provided below the turntable 1022. The turntable driving structure 1031 drives the turntable 1022 to rotate to drive the temporary storage device 102 to revolve.

[0027] In addition, as shown in FIGS. 1, 4 and 5, the feeding device 500 is provided with a feeding port; the pre-insertion indexing mechanism 100 further includes a temporary storage device rotation drive device 101 connected to the control unit, The temporary storage device rotation driving device 101 is detachably connected to the temporary storage device 102 and is used to drive the temporary storage device 102 to rotate when connected. This arrangement facilitates the loading device 500 to install the slot wedge 600 into the temporary storage hole 1021; the loading device 500 loads the slot wedge 600 into one temporary storage hole 10 21 at a time, and the temporary storage device rotation drive device 101 drives the temporary storage device 102 The rotation causes the temporary storage holes 1021 to correspond to the feeding ports in turn, and the temporary storage device 102 rotates one revolution and the loading device 500 completes loading the slot wedge 600 into all the temporary storage holes 1021. The temporary storage device rotation driving device 101 is a torque motor.

[0028] Wherein, as shown in FIG. 5, the temporary storage device 102 includes a rotary plate 1025 and a temporary storage barrel 1024 and a guide disk 1026 connected in sequence, and a temporary storage hole 1021 is provided through the temporary storage barrel 1024 and the guide disk 1026; the rotary plate 1025 Connected to the turntable 1 022, the temporary storage tube 1024 and the guide disk 1026 are set in the rotating plate 1025 and can rotate relative to the rotating plate 1025; when the insertion mechanism 200 works, the guide disk 1026 is used to guide the slot wedge 600 in the temporary storage hole 1021 into the motor stator 4 00 slot wedge mounting hole 401; the guide plate 1026 and the temporary storage device rotation drive device 101 are detachably connected. The setting of the rotating plate 1025 enables the temporary storage device 102 to be connected to the turntable 1022 to realize the rotation of the turntable 1022 to drive the temporary The storage device 102 revolves; when the temporary storage device rotation drive device 101 is connected to the guide plate 1026, the guide plate 102 6 rotates, and the rotation of the guide plate 1026 causes the temporary storage barrel 1024 to rotate, and the guide plate 1026 and the temporary storage barrel 1024 rotate relative to the rotating plate 1025 In order to realize the rotation of the temporary storage device 102, and the turntable 1022 does not rotate while the temporary storage device 102 rotates.

[0029] In addition, the temporary storage device 102 further includes a top tray 1023 disposed above the temporary storage barrel 1024, and the temporary storage hole 1021 is sequentially provided through the top tray 1023, the temporary storage barrel 1024, and the guide disk 1026; the top disk 1023 and the temporary storage barrel 1024 is connected and used to guide the loading device 500 to install the slot wedge 600 into the temporary storage hole 1021.

[0030] In this embodiment, as shown in FIG. 4, the top disk 1023 is circumferentially provided with a top disk notch 1033, and the turntable 1022 is provided with a temporary storage device positioning drive structure ₁₀ 34 connected to the control unit. The temporary storage device positioning drive structure 103 4 is provided with a temporary storage device positioning device 1035 matching the top plate gap 1033; a temporary storage device positioning drive structure 1034 drives the temporary storage device positioning device 1035 to rise, so that the temporary storage device positioning device 1035 is separated from the top plate gap 1 033, This enables the temporary storage device 102 to rotate; the temporary storage device positioning driving structure 1034 drives the temporary storage device positioning device 1035 to fall, so that the temporary storage device positioning device 1035 is combined with the top plate gap 1033, which makes the temporary storage device 102 positioned to be unable to rotate, This facilitates the insertion mechanism 200 to drive the slot wedge 600 in the temporary storage hole 1021 into the slot wedge mounting hole 401 of the motor stator 400.

[0031] In this embodiment, the temporary storage device positioning device 1035 is a convex structure, and the convex portion matches the top plate notch 1033, which further prevents the temporary storage device 102 from rotating relative to the rotating plate 1025 during the revolution rotation.

[0032] Among them, the temporary storage device 102 further includes a roller bearing 1027, a roller bearing 1027 is sleeved on the guide plate 1026 and placed between the guide plate 1026 and the rotating plate 1025, a roller bearing 1027 is sleeved on the temporary The storage tube 1024 is placed between the top plate 1023 and the rotating plate 1025. The provision of the roller bearing 1027 makes the temporary storage device 102 rotate smoothly.

[0033] In addition, as shown in FIG. 5, the temporary storage device rotation drive device 101 is provided with a temporary storage device rotation drive device lifting structure 1012 for driving itself to rise and fall, and the temporary storage device rotation drive device lifting structure 1012 is connected to the control unit ; The guide disk 1026 is provided with a pin hole, and the temporary storage device rotation driving device 101 is provided with a pin 1011 corresponding to the pin hole. The temporary storage device rotation drive device lifting structure 1012 drives the temporary storage device rotation drive device 101 to rise, so that the latch 1011 is inserted into the latch hole to realize the connection between the guide disk 1026 and the temporary storage device rotation drive device 101 and then the temporary storage device rotation drive device 101 drives the temporary storage device 102 Rotation; the temporary storage device rotation drive device lifting structure 1012 drives the temporary storage device rotation drive device 101 down, so that the latch 1011 is detached from the latch hole, so as to achieve the separation of the guide disk 1026 and the temporary storage device rotation drive device 101.

[0034] Among them, as shown in FIG. 2 and FIG. 3, a rough positioning device 1029 is provided on the workpiece mounting plate 300, and a rough positioning slot matching the rough positioning device 1029 is provided on the motor stator 400. In this way, the positioning of the motor stator 400 is realized, so that when the temporary storage device 102 revolves, the temporary storage hole 1021 and the motor stator 400 slot wedge mounting hole 401 are directly opposed, which is convenient for the insertion mechanism 200 to store the slot wedge 600 in the temporary storage hole 1021 Insert into the motor stator slot wedge mounting hole 401; the coarse positioning device 1029 can be a coarse positioning projection fixed on the workpiece mounting plate 300. The coarse positioning slot can be a coarse positioning groove provided at the bottom of the outer wall of the motor stator 400 to place the motor stator When 400 is mounted on the workpiece mounting tray 300, the coarse positioning projection is inserted into the coarse positioning groove from bottom to top.

[0035] In addition, as shown in FIG. 2, FIG. 5 and FIG. 11, the workpiece mounting tray 300 is provided with a motor stator lifting drive device 301 for driving the motor stator 400 to move up and down. The motor stator lifting drive device 301 is connected to the control unit; A precision positioning device 1028 is provided at the bottom of the disk 1026, and a precision positioning slot matching the precision positioning device 10 28 is provided on the motor stator 400. The motor stator lifting drive device 301 drives the motor stator 400 upward, so that the coarse positioning device 1029 is separated from the coarse positioning groove, and at the same time, the precision positioning device 1028 is combined with the precision positioning groove to achieve the positioning of the guide plate 1026 and the motor stator 400, which facilitates the insertion mechanism 200 Insert the slot wedge 600 in the temporary storage hole 1021 into the slot wedge mounting hole 401 of the motor stator 400; when the motor stator lifting drive device 301 is not working, the coarse positioning device 1029 is combined with the coarse positioning slot to achieve the positioning of the motor stator 400; precision The positioning device 1028 may be a precision positioning projection fixed to the bottom of the guide plate 1026. The precision positioning groove may be a precision positioning groove provided on the top of the outer wall of the motor stator 400. The motor stator lifting drive device 301 drives the motor stator 400 to ascend for precise positioning The projection is inserted into the precision positioning groove from top to bottom.

[0036] Wherein, as shown in FIG. 10 and FIG. 13, the temporary storage hole 1021 in the guide plate 1026 is provided obliquely, and the direction of inclination from top to bottom is the direction from away to close to the center of the guide plate 1026; The exit position of the temporary storage hole 1021 is set corresponding to the slot mounting hole 401 of the motor stator 400. The inclined setting makes it easier for the slot wedge 600 to come out of the guide plate 1026 and be inserted into the slot wedge mounting hole 401 of the motor stator 400, and the slot wedge 600 is less likely to bend during the insertion process.

[0037] In this embodiment, as shown in FIG. 2, a plurality of motor stators 400 are mounted on the workpiece mounting plate 300; the workpiece mounting plate 300 is provided with a workpiece mounting plate drive device 302 that drives its own rotation, and the workpiece mounting plate is driven Outfit The device 302 is connected to the control unit. This is convenient for improving production efficiency.

[0038] In addition, the workpiece mounting disk drive device 302 is a torque motor, and the workpiece mounting disk drive device 302 is installed at the center of the workpiece mounting disk 300; a workpiece mounting disk base 304 for mounting the workpiece mounting disk drive device 302 is provided below the workpiece mounting disk 300 . The workpiece mounting disk drive device 302 drives the workpiece mounting disk 300 to rotate and thereby drives the motor stator 400 to revolve. The revolution of the temporary storage device 102 and the motor stator 400 makes the two rapidly revolve, and the temporary storage hole 1021 on the temporary storage device 102 when in place The motor stator 400 slot wedge mounting hole 401 is directly opposite.

[0039] In this embodiment, as shown in FIG. 2, a motor stator mounting portion 303 is fixed to the workpiece mounting plate 300, a motor stator 400 is mounted on the motor stator mounting portion 303, and a rough positioning device 1029 is provided on the motor stator mounting portion 303 on.

[0040] Among them, the motor stator mounting portion 303 includes a positioning tooling structure 3031 and a stator mounting structure 3032, the positioning tooling structure 3031 is fixed on the workpiece mounting tray 300, the rough positioning device 1029 is provided on the positioning tooling structure 3031; the stator mounting structure 3032 is provided Within the positioning tooling structure 3031 and capable of moving up and down within the positioning tooling structure 3031, the motor stator 400 is placed on the stator mounting structure 3032; the tool mounting plate 300 is provided with a tooling through hole at a position directly opposite the stator mounting structure 3032, and The tooling through hole is smaller than the size of the stator mounting structure 3032. The motor stator lifting drive device 301 can drive the stator mounting structure 3032 to move up and down through the tooling through hole to drive the electronic stator 400 to move up and down.

[0041] In addition, the stator mounting structure 3032 includes a stator mounting base 3033, a protrusion 3034 is provided at the center of the stator mounting base 3033, and the electronic stator 400 is sleeved on the protrusion 3034 and supported by the stator mounting base 3033. The stator 400 is in the space enclosed by the positioning tooling structure 3031 and the protrusion 3034 to prevent the motor stator 400 from shaking randomly.

[0042] In this embodiment, the raised portion 3034 is a hollow structure. This arrangement is convenient for reducing the weight of the stator mounting structure 3032, and for the motor stator lifting drive device 301 to drive the motor stator 400 for lifting movement.

[0043] In this embodiment, the top of the wall portion of the positioning tooling structure 3031 is provided with a notch 3035. This arrangement facilitates the installation and removal of the motor stator 400 on the motor stator mounting portion 303.

[0044] Obviously, the above-mentioned embodiments of the present invention are merely examples for clearly illustrating the technical solutions of the present invention, rather than limiting the specific implementation of the present invention. Any modification, equivalent replacement and improvement made within the spirit and principle of the claims of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

[Claim 1] An automatic insertion device for an insulating slot wedge of a motor stator, characterized in that it includes a workpiece mounting disk

(300), the control unit and the loading device (500), pre-insertion indexing mechanism (100) and insertion mechanism (200) connected to the control unit; the workpiece mounting disk (300) is used to install the motor stator (400); pre The insertion indexing mechanism (100) includes a temporary storage device (102), a temporary storage hole (1021) is provided at a position corresponding to the slot storage hole (401) of the motor stator (400) on the temporary storage device (102), and the loading device (500) It is used to install the slot wedge (600) into the temporary storage hole (1021); the temporary storage device (102) is provided with a turntable (1022) capable of revolving itself, and the turntable (1022) is connected to the control unit; The insertion mechanism (200) is used to drive the slot wedge (600) in the temporary storage hole (1021) into the slot wedge mounting hole (401) of the motor stator (400).

[Claim 2] An automatic insertion device for an insulating slot wedge of a motor stator according to claim 1, wherein the feeding device (500) is provided with a feeding port; the pre-inserting indexing mechanism (100) further includes It means temporary rotation driving device ₍₁₀₁₎ connected to the control unit, the apparatus rotation driving device (101) and the temporary storage means temporarily storing (102) detachably connected to and for driving the temporary storage means (102) is connected rotation.

[Claim 3] An automatic insertion device for an insulating slot wedge of a motor stator according to claim 2, wherein the temporary storage device (102) includes a rotating plate (1025) and a temporary storage cylinder (1 024) connected in sequence And the guide disc (1026), the temporary storage hole (1021) is provided through the temporary storage barrel (1024) and the guide disc (1026); the rotating plate (1025) is connected to the turntable (1022), the temporary storage barrel (1024) and the guide disc (1026) 1026) Set in the rotating plate (1025) and can rotate relative to the rotating plate (10 25); Inserting mechanism (200) Guide disc (1026) is used to guide the temporary storage hole (1021) When the inner slot wedge (600) is inserted into the motor The stator (400) is installed in the slot wedge mounting hole (401); the guide plate (1026) is detachably connected to the temporary storage device rotation driving device (101).

[Claim 4] An automatic insertion device for insulating slot wedges of a motor stator according to claim 3, characterized in that the temporary storage device (102) further comprises a top plate (102 3) provided above the temporary storage tube (1024) ), the temporary storage hole (1021) is set through the top plate (1023), the temporary storage barrel (1024) and the guide plate (1026) in sequence; the top plate (1023) is connected to the temporary storage barrel (1024) and used for guiding The loading device (500) installs the slot wedge (600) into the temporary storage hole (1021).

[Claim 5] An automatic insertion device for an insulating slot wedge of a motor stator according to claim 4, wherein the temporary storage device (102) further includes a roller bearing (1027) and a roller bearing (102 7) Set on the guide plate (1026) and placed between the guide plate (1026) and the rotating plate (1025), a roller bearing (1027) is set on the temporary storage barrel (1024) and placed on the top plate (1023) ) And the rotating plate (1025).

[Claim 6] A motor stator insulating slot wedge automatic insertion device according to claim 3, characterized in that the temporary storage device rotation drive device (101) is provided with a temporary storage device rotation drive for driving its own lifting Device lifting structure (1012), temporary storage device rotation drive device lifting structure (1012) is connected to the control unit; the guide disk (1026) is provided with a latch hole, and the temporary storage device rotation drive device (101) is provided with a corresponding latch hole Of the bolt (1011).