CN218022431U - Product carrying part - Google Patents

Abstract

The utility model discloses a product transport part carries the product to vanning station top from the product loading end, and product loading end level sets up and is located vanning station side, product transport part keeps the subassembly including transport sucking disc subassembly, sucking disc upset subassembly and sucking disc gesture, sucking disc upset subassembly is equipped with carries out pivoted upset arm on the perpendicular to horizontal direction, and the upset arm rotates and drives the upset of transport sucking disc subassembly to carry the vanning station top with the product by the product loading end, the gesture keeps the subassembly to keep the gesture of carrying sucking disc subassembly at the upset arm rotation in-process. The utility model discloses owing to avoided elevating system and translation mechanism's setting, not only practiced thrift space and cost, efficiency is higher moreover.

Description

Product carrying part

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of equipment for packing, concretely relates to vanning device.

[ background of the invention ]

The boxing device comprises a paperboard conveying component, a product carrying component, a carton forming component and a boxing conveying component. The product carrying component usually adopts a mechanical arm which is provided with a lifting mechanism and a translation mechanism, namely the mechanical arm needs to ascend, translate and descend after grabbing a product to carry the product. Not only occupies large space, but also has complex structure and lower speed.

[ Utility model ] content

Not enough to among the prior art, the utility model aims to solve the technical problem that a product transport part is provided, the structure can be simplified, reduces the space and occupies, improves handling efficiency.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a product handling part, carries the product to vanning station top from the product loading end, and product loading end level sets up and is located vanning station side, product handling part is including carrying sucking disc subassembly, sucking disc upset subassembly and sucking disc gesture and keeps the subassembly, sucking disc upset subassembly is equipped with carries sucking disc subassembly upset in the perpendicular to horizontal direction, and the upset arm rotates and drives the upset of carrying sucking disc subassembly to carry the product to vanning station top by the product loading end, gesture keeps the gesture of subassembly at the upset arm rotation in-process and keeps carrying sucking disc subassembly.

Preferably, the sucker overturning assembly is further provided with an overturning driving shaft connected with the overturning arm, and the overturning driving shaft is driven by an overturning driving motor.

Preferably, the attitude keeping assembly comprises a rotating shaft which is rotatably connected with the turnover arm, and the rotating shaft is connected with the carrying sucker assembly; the rotating shaft rotates to drive the carrying sucker assembly to rotate in the rotating process of the turnover arm so as to keep the carrying sucker assembly in a posture.

Preferably, a first synchronous pulley is fixed on the turnover driving shaft, a second synchronous pulley is fixed on the rotating shaft, and a synchronous belt is connected between the first synchronous pulley and the second synchronous pulley.

Preferably, the sucker overturning assembly further comprises a speed reducer, an output shaft of the overturning driving motor is connected with an input shaft of the speed reducer, and an output shaft of the speed reducer is connected with the overturning driving shaft; or the output shaft of the speed reducer and the overturning driving shaft are of an integral structure.

The utility model discloses a technical scheme, the upset arm rotates and realizes carrying the upset of sucking disc subassembly to carry the product to vanning station top by the product loading end, and the gesture keeps the subassembly to rotate the in-process at the upset arm and keeps carrying the sucking disc subassembly and be in the horizontality, therefore the product still keeps original gesture when carrying vanning station top from the product loading end. Because the arrangement of the lifting mechanism and the translation mechanism is avoided, the space and the cost are saved, and the efficiency is higher.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The utility model is further described with the following drawings:

fig. 1 is a schematic structural view of a boxing apparatus of the present invention in an operating state;

FIG. 2 is a schematic view of the structure of FIG. 1 with the wrapper paper board and product hidden;

FIG. 3 is a schematic view of the packing material carrying platform of the packing conveying component of the present invention receiving the cardboard of the packing material after the lifting;

FIG. 4 is a schematic structural view of the packing conveying component of the present invention after the packing material is formed and ready for further conveying;

FIG. 5 is a schematic view of a container loading device according to the present invention;

fig. 6 is a schematic structural view of the paperboard conveying component of the present invention during conveying of the paperboard;

FIG. 7 is a schematic view of the structure of FIG. 6 with the cardboard removed;

FIG. 8 is a schematic view of the structure of the driving assembly for conveying cardboard according to the present invention;

FIG. 9 is a schematic view of a product handling member according to the present invention;

reference numerals: the packaging and conveying component 1, the formed packaging material 100, a packaging material driving assembly 11, a first group of chains 111, a second group of chains 112, a chain wheel shaft 113, a driving motor 114, a push plate 1111, a front limiting plate 1112, a packaging material carrying platform assembly 12, a packaging material carrying platform 121, a suction cup 1211, a guide rod 1212, a lifting driver 122, a corner positioning block 131, a first lateral guide surface 1311, a second lateral guide surface 1312, a side flange 1313, a rear limiting plate 132, a limiting rod 14 and a guide plate 15;

the device comprises a paperboard conveying part 2, a packaging material paperboard 200, a paperboard conveying belt mechanism 21, a main conveying belt 211, an intermediate conveying belt 212, a conveying belt driving motor 213, a driving belt wheel 214, an intermediate support 215, a driven belt wheel 216, a pressing wheel group 22, a pressing wheel 221, a pressing wheel support 222, a fixed support 223, a guide rod 224, an adjusting screw 225, a connecting cross rod 226, a guide pressing plate 227, a paperboard conveying track 23, a lateral track 231, a conveying section 2311, an output section 2312, a positioning plate 2313 and an intermediate track 232;

the device comprises a product carrying component 3, a carrying sucker component 31, a sucker mounting plate 311, a driving bracket 312, a shaft connecting piece 313, a sucker posture maintaining component 32, a rotating shaft 321, a second synchronous belt wheel 322, a synchronous belt 323, a sucker overturning component 33, an overturning driving motor 331, a speed reducer 332, an overturning arm 333, an overturning driving shaft 334 and a first synchronous belt wheel 335;

product bearing surface 4, product 400.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

It will be appreciated by those skilled in the art that features from the examples and embodiments described below may be combined with each other without conflict.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Words such as "upper", "lower", "front", "rear", "left", "right", etc., indicating directions or positional relationships described below are based only on directions or positional relationships shown in the drawings, are only for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the devices/elements referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Referring to fig. 1 to 9, a boxing apparatus includes a boxing conveying member 1, a cardboard conveying member 2, and a product carrying member 3.

The boxing conveying component 1 is provided with a packing material conveying channel extending horizontally and a packing material driving assembly 11 with a horizontal movement path, the horizontal movement path correspondingly passes through the packing material conveying channel, a boxing station is arranged corresponding to the packing material conveying channel, and a packing material forming guide structure 13 for guiding the packing material to be formed is arranged corresponding to the boxing station. The paperboard conveying component 2 conveys the packing material paperboard 200 to the upper part of a boxing station, the product conveying component 3 conveys the product 400 to the upper part of the boxing station from the product bearing surface 4, and under the guiding action of the packing material forming guiding structure 13, the packing material paperboard 200 enters the conveying mechanism for conveying the cartons along the trend under the action of the product gravity and is bent and formed at the same time.

Referring to fig. 3 to 5, the packing and conveying part 1 further includes a pushing plate 1111, the pushing plate 1111 is installed on the packing driving assembly 11, and the packing driving assembly 11 drives the pushing plate 1111 to move unidirectionally along a circular path having a horizontal moving path.

Further, be equipped with package material load-bearing platform subassembly 12 below the vanning station, package material load-bearing platform subassembly 12 includes package material load-bearing platform 121 and the lift driver 122 of the lift of drive package material load-bearing platform, be equipped with a plurality of sucking disc 1211 on the package material load-bearing platform 121. The shape of the wrapping material bearing platform 121 corresponds to the shape of the bottom surface of the formed wrapping material, i.e. the wrapping material bearing platform is a rectangular structure, and the plurality of suckers 1211 are distributed on the wrapping material bearing platform 121 in a rectangular array shape. The cardboard conveying component 2 conveys the packing cardboard 200 to a boxing station, before the packing is formed, the packing bearing platform 121 rises, the sucking discs 1211 suck the packing cardboard, then the product is placed on the packing cardboard by the product conveying component 3, the packing cardboard falls under the action of the gravity of the product and the packing bearing platform 121 descends synchronously in the forming process.

In one embodiment, the lifting actuator is a linear motor, and may be a similar electric cylinder. In order to guide the package material bearing platform 121 to lift, the package material bearing platform 121 is connected to a guide rod 1212, and a guide sleeve is disposed corresponding to the guide rod, and the guide rod is matched with the guide sleeve.

Specifically, as shown in fig. 3, the packing material forming guide structure 13 includes corner positioning blocks 131 disposed at four corner positions of the formed packing material. The corner positioning block 131 is provided with first lateral guide surfaces 1311 corresponding to left and right side surfaces of the formed packing material 100, and an upper portion of the first lateral guide surfaces 1311 is an inclined surface for guiding the left and right side surfaces of the packing material. The upper inclined surface of the first lateral guide surface 1311 is vertically connected to a second lateral guide surface 1312, the second lateral guide surface 1312 is higher than the first lateral guide surface 1311, and a side flange 1313 is provided on the upper side thereof, and the side flange 1313 has a horizontal portion, a vertical portion, and a circular arc transition portion connecting the horizontal portion and the vertical portion. The packaging material forming guide structure 13 further includes a rear limiting plate 132 disposed at the rear side of the boxing station and correspondingly guiding the forming of the rear side surface of the packaging material. The packaging material forming guide structure 13 further includes a front limiting plate 1112 disposed at the front side of the boxing station and guiding the packaging material to be formed correspondingly to the front side surface. It is understood that the upper portions of the rear and front limiting plates 132 and 1112 are provided with guide slopes.

The rear limiting plate 132 is disposed at the input end of the packing material conveying passage and is therefore fixed. The front limiting plate 1112 is driven by the packing material driving assembly 11 to move along the circular path in a single direction, and when the packing material driving assembly moves to the front side of the boxing station, the front side surface of the packing material is correspondingly guided to be formed.

In this embodiment, the packing material driving assembly 11 includes a chain and a chain wheel, and the chain is installed on the chain wheel and is unfolded to form an annular structure with two arc-shaped ends and a straight middle part. And be equipped with two sets of package material drive assembly altogether, correspond two sets of package material drive assembly and be equipped with first group chain 111 and second group chain 112, first group chain 111 and second group chain 112 all include two chains, and are in the position that is parallel to each other. Two sets of packing material drive assembly's front and back both ends share sprocket shaft 113, and one of them sprocket shaft is driven by driving motor 114, and another sprocket shaft is rotated by the chain drive together, because share sprocket shaft 113, therefore first group chain 111 and second group chain 112 synchronous operation. A plurality of pairs of push plates are uniformly arranged on the two chains of the first group of chains 111 along the annular moving path, and a plurality of pairs of front limiting plates 1112 are uniformly arranged on the two chains of the second group of chains 112 along the annular moving path. Each pair of push plates 1111 and the corresponding pair of front limiting plates 1112 form a push plate and limiting plate combination unit, and when the front limiting plates move to the front side of the boxing station, the front side of the packing material is correspondingly guided to be formed. Because the molding package material 100 is rectangular, the distance between the two adjacent push plate and limiting plate combination units corresponds to the width of the molding package material 100. It can be understood that the installation positions of the push plates and the front limiting plate can be adjusted according to the width change of the formed packing material 100, and correspondingly, the distance between the adjacent two push plates and the front limiting plate combination unit can be changed.

Further, the packing conveying component 1 further comprises limiting rods 14 arranged on the left side and the right side of the horizontal movement path. The limiting rod 14 is located on the outer side of the chain, and when the formed packing material 100 is conveyed along the packing material conveying channel, the limiting rod 14 guides and limits the side face of the formed packing material 100.

In order to guide the push plate 1111 and the front limiting plate 1112 to move along with the chain, guide plates 15 are arranged on two sides of the width of the chain, and guide grooves are arranged on the push plate 1111 and the front limiting plate 1112 and are in sliding fit with the guide plates 15. Can set up the recess in the bottom side of push pedal and preceding limiting plate, the bottom side of push pedal and preceding limiting plate passes through screw fixed connection curb plate simultaneously, and the curb plate forms the guide way with the recess cooperation. The chain is guided and limited by the guide plate 15, and the guide groove is in sliding fit with the push plate and the front limiting plate, so that the push plate 1111 and the front limiting plate are kept in an upright state when passing through a horizontal conveying path.

Referring to fig. 6 to 8, the paper board conveying member 2 includes a paper board conveying rail 23 for horizontally conveying paper boards 200, and a paper board conveying driving assembly for driving the paper boards 200 to be conveyed along the paper board conveying rail 23, wherein the paper board conveying rail 23 extends to the position above the boxing station and intersects with the horizontal movement path of the boxing conveying member, so that the paper boards can be conveyed along the paper board conveying rail 23 to the position above the boxing station. The carton conveying track 23 intersects the horizontal path of movement of the carton conveying elements but is located above the path and does not interfere with the normal conveyance of the formed cartons.

Wherein, drive assembly is carried to cardboard includes cardboard conveyer belt mechanism 21 and pinch roller group 22, and cardboard conveyer belt mechanism 21 is equipped with the cardboard conveyer belt, the cardboard conveyer belt has the horizontal transport face, pinch roller group 22 is located the horizontal transport face top, and pinch roller group 22 pressfitting cardboard is on the horizontal transport face, makes to have great frictional force between cardboard and the horizontal transport face to the cardboard conveyer belt drives package material cardboard and carries.

Although the cardboard transport rail 23 extends above the boxing station, the cardboard transport drive assembly cannot extend completely above the boxing station, so that it is ensured that the packing material cardboard can fall down at the boxing station. But at the same time it is ensured that the cardboard transport drive assembly transports the packaging material cardboard completely to the boxing station. Therefore, a cardboard conveyer belt is specially designed, which includes two main conveyer belts 211 arranged side by side and an intermediate conveyer belt 212 extending forward from between the two main conveyer belts and protruding out of the front end of the main conveyer belt 211. The middle conveying belt 212 protrudes forwards towards the boxing station, but cannot stretch into the space right above the boxing station, and because the middle conveying belt occupies a small space, the middle conveying belt is unlikely to interfere with other components, and can act on the rear section of the packing material paperboard to completely convey the packing material paperboard to the boxing station. After the paperboard conveyor belt is separated, the packaging material paperboard is mainly supported by the paperboard conveying rail 23 and is kept in a flat state before being packed.

Further, the cardboard conveying driving component further comprises a conveying belt driving motor 213 and two groups of driving belt wheels 214 driven by the conveying belt driving motor 213, wherein the two groups of driving belt wheels 214 are arranged side by side and are respectively connected with the main conveying belt 211; the main conveyor belt is further connected with at least one driven pulley 216, the driven pulley 216 is mounted on a driven pulley shaft, the intermediate conveyor belt 212 is connected with an intermediate pulley, the intermediate pulley is mounted on an intermediate pulley shaft, one of the intermediate pulley shafts and one of the driven pulley shafts are separately arranged and fixedly connected, or one of the intermediate pulley shafts and one of the driven pulley shafts are integrally arranged, and the corresponding intermediate pulley and the driven pulley are integrally arranged.

In order to realize the arrangement of the middle conveyor belts, the paperboard conveying driving component is provided with a middle bracket 215 between the two main conveyor belts, the middle bracket 215 protrudes out of the front ends of the two main conveyor belts and is provided with two middle pulley shafts in total, the first middle pulley shaft is rotatably supported at the rear part of the middle bracket, and the second middle pulley shaft is rotatably supported at the front part of the middle bracket. Two middle conveying belts are symmetrically arranged on two sides of the middle bracket. A conveying surface of a large width is formed at a position between the two main conveyor belts 211 so that stable conveyance of the cardboard is maintained at the rear half of the cardboard conveying rail 23.

Specifically, the puck group 22 includes two rows of pucks 221 mounted side-by-side on a puck frame 222. The pinch roller support top is equipped with fixed bolster 223, be equipped with the uide bushing on the fixed bolster, the uide bushing is connected with guide bar 224, the lower extreme and the pinch roller support of guide bar are fixed, be equipped with adjusting nut on the fixed bolster, adjusting nut is connected with adjusting screw 225, adjusting screw is connected with two guide bars through connecting horizontal pole 226. After the adjusting nuts are adjusted, the adjusting screws drive the two guide rods to lift along the guide sleeves through the connecting cross rods 226, so that the height of the two rows of pinch rollers 221 is adjusted, and finally the positions of the adjusting screws 225 can be locked through the locking nuts. Therefore, the distance between the pressing wheel 221 and the horizontal conveying surface can be adjusted, and the device is suitable for conveying packing paper boards with different thicknesses.

Further, a guide pressing plate 227 is arranged in front of the pinch roller bracket and matched with the protruding part of the middle conveying belt 212 to guide the conveying of the packing material paperboard. The guide pressing plate 227 is connected with a height adjusting mechanism for adjusting the height of the guide pressing plate, so that the paper packaging machine can be suitable for paper packaging boards with different thicknesses. The height adjustment mechanism can be referred to in the art, for example, similar to the height adjustment mechanism of puck set 22.

As shown in fig. 7, the sheet conveying rail 23 includes lateral rails 231 arranged side by side and a middle rail 232 arranged between the lateral rails 231 on both sides. The middle rail 232 is located on the side of the paper board conveying driving assembly, extends to the upper side of the boxing station from the side of the paper board conveying driving assembly and corresponds to the bending position of the packing material paper board, so that the middle rail is matched with the lateral rail 231 to ensure that the packing material paper board keeps stable posture in conveying, and is matched with the packing material forming process to guide one side face of the packing material paper board to enable the side face to be turned over along the bending position.

Further, the lateral track 231 includes a conveying section 2311 corresponding to the horizontal conveying surface of the conveyor belt and an output section 2312 connected to the conveying section 2311 and extending above the boxing station. The conveying section is provided with a limiting channel formed by enclosing an upper limiting wall layer, a lower limiting wall layer and side limiting walls, and the upper side, the lower side and the side face of the edge of the packing material paperboard are limited. Therefore, the packing material paperboard can be conveyed in a stable posture. The output section is provided with a conveying surface arranged in the extending direction of the lower limiting wall and a side blocking wall arranged in the extending direction of the side limiting wall, and a positioning plate 2313 extending inwards is arranged at the position, close to the output end, of the output section 2312. The structure similar to the upper limiting wall is not arranged above the output section, because the edge of the paper board of the packing material can be turned upwards in the forming process of the packing material, and the arrangement of the upper limiting wall can influence the action process. The positioning plate 2313 prevents the wrapping paper board from being conveyed further after the wrapping paper board is conveyed in place.

Referring to the product conveying member 3 shown in fig. 9, the product 400 is conveyed from the product loading surface 4 to above the packing station, and the product loading surface is horizontally disposed and provided on the side of the packing station. The product carrying component 3 comprises a carrying sucker component 31, a sucker overturning component 33 and a sucker posture maintaining component 32, wherein the sucker overturning component 33 is provided with an overturning arm 333, the overturning arm 333 rotates to drive the carrying sucker component 31 to overturn, so that a product is carried to the upper part of a boxing station through a product carrying surface, and the posture maintaining component 32 maintains the posture of the carrying sucker component 31 in the rotating process of the overturning arm 333.

In order to realize the rotation of the turning arm 333, the suction cup turning assembly 33 is further provided with a turning drive shaft 334 connected with the turning arm, and the turning drive shaft 334 is driven by a turning drive motor 331. It will be appreciated that a speed reducer 332 may be further provided, and an input shaft of the speed reducer 332 is connected to an output shaft of the tumble drive motor 331, and an output shaft of the speed reducer 332 is connected to the tumble drive shaft 334, or may be provided integrally with the tumble drive shaft. Of course, the tumble drive shaft may be directly driven by the tumble drive motor 331, or the motor shaft may be provided integrally with the tumble drive shaft.

In one embodiment, the attitude keeping assembly 32 includes a rotating shaft 321, the rotating shaft 321 is rotatably connected to the flipping arm 333, and the rotation of the rotating shaft drives the handling chuck assembly to rotate during the rotation of the flipping arm to keep the attitude. For example, the product is placed horizontally on the product supporting surface, and thus, is kept in a horizontal state during the transportation, which is also a boxed state.

Further, the reversing drive motor 331 may also serve as a power source for rotating the rotating shaft 321, the first timing pulley 335 may be fixed to the reversing drive shaft 333, the second timing pulley 322 may be fixed to the rotating shaft 321, and the timing belt 323 may be connected between the first timing pulley 335 and the second timing pulley 322. On one hand, the cost can be saved, and on the other hand, the coordinated action of the turning driving shaft 333 and the rotating shaft 321 can be ensured, namely, the rotating angle of the rotating shaft 321 is coordinated with the rotating angle of the turning driving shaft 333, so that the carrying sucker component always keeps the posture.

The carrying suction cup assembly 31 is provided with a suction cup mounting plate 311 on which a plurality of suction cups are arranged in a rectangular array. The sucking disc mounting plate 311 is connected with a driving bracket 312, the driving bracket 312 is fixedly connected with a shaft connecting piece 313 through a hoop structure, and the shaft connecting piece 313 is connected with a rotating shaft 321.

The above description is only for the embodiments of the present invention, but the scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the description in the above embodiments and the accompanying drawings. Any modification that does not depart from the functional and structural principles of the invention is intended to be included within the scope of the claims.

Claims (5)

1. The utility model provides a product transport part, carries the product to vanning station top from the product loading end, and product loading end level sets up and is located vanning station side, its characterized in that, product transport part is including carrying sucking disc subassembly, sucking disc upset subassembly and sucking disc gesture retaining assembly, sucking disc upset subassembly is equipped with carries out pivoted upset arm on the perpendicular to horizontal direction, and the upset arm rotates and drives the upset of transport sucking disc subassembly to carry the vanning station top with the product by the product loading end, the gesture retaining assembly keeps the gesture of carrying sucking disc subassembly at the upset arm rotation in-process.

2. The product handling assembly of claim 1, wherein the suction cup flipping assembly further comprises a flipping drive shaft coupled to the flipping arm, the flipping drive shaft driven by a flipping drive motor.

3. The product handling member of claim 2 wherein said attitude maintaining assembly comprises a pivot shaft pivotally connected to said invert arm, said pivot shaft being connected to said handling chuck assembly; the rotating shaft rotates to drive the carrying sucker assembly to rotate in the rotating process of the turnover arm so as to keep the carrying sucker assembly in a posture.

4. A product handling member as claimed in claim 3, wherein a first timing pulley is fixed to the flipper drive shaft, a second timing pulley is fixed to the rotatable shaft, and a timing belt is connected between the first timing pulley and the second timing pulley.

5. The product handling member of claim 2, wherein the chuck flipping assembly further comprises a speed reducer, an output shaft of the flipping drive motor is connected to an input shaft of the speed reducer, and an output shaft of the speed reducer is connected to the flipping drive shaft; or the output shaft of the speed reducer and the overturning driving shaft are of an integral structure.

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