128results about How to "Improve stacking efficiency" patented technology

The invention provides dual-drive type lifting equipment of a stacking machine for intelligent warehousing, belongs to the technical field of warehousing equipment, and solves the technical problems that in the existing cargo ascending or descending process, a pallet fork can shake, cargoes fall off from the pallet fork, and fixed-point stacking cannot be carried out according to requirements. A dual-drive type lifting device of a stacking machine for intelligent warehousing comprises a lifting frame and a stacking frame arranged on the lifting frame, and a mounting frame is arranged at the top of the lifting frame and fixed to the center of a warehouse ceiling. The automatic material taking and fixed-point stacking device has the capacity of achieving automatic material taking and fixed-point stacking within the range of the limiting ring frame, the labor amount of workers is reduced, corresponding adjustment and stabilization can be conducted according to the weight distribution of materials fixed to the stacking frame and the swing amplitude of the stacking frame in the lifting stacking process, and the stacking frame is driven to ascend and descend while the stacking frame is driven to ascend and descend. And the stability in the stacking process is further improved.

The invention provides a wood stacking device for wood board production, and belongs to the technical field of wood board stacking. Comprising a bottom plate, a transferring assembly and a stacking assembly, the transferring assembly comprises a workbench installed on the top of the bottom plate, a remaining groove is formed in one side of the workbench, and an inclined groove is formed in the other side of the workbench. The lifting frames are driven to do circular motion through rotation of the chain, at the moment, the two sets of lifting frames lift wood plates on the transfer table upwards and then rotate the wood plates to the stacking bin, when the wood plates rotate to the bottom of the stacking bin, the wood plates are blocked by the bottom of the stacking bin, and therefore the wood plates are left in the stacking bin; and when the lifting plates are blocked by the wood plates in the stacking bin, the lifting plates rotate upwards, it is guaranteed that the two sets of lifting frames can pass through the stacking bin, automatic stacking and circulating stacking of the device on the wood plates can be achieved, the stacking efficiency of the wood plates is improved, and the labor cost is reduced.

The utility model provides a carton piece stacking device, which relates to the technical field of stacking devices and comprises a conveying mechanism, a stacking mechanism is fixedly connected to one side of the outer wall of the conveying mechanism and comprises a supporting plate, a sliding groove is formed in the top of the supporting plate, a sliding block is embedded in the inner surface wall of the sliding groove in a sliding mode, and the inner surface wall of the sliding block is in threaded connection with a lead screw. The outer surface wall of the lead screw is fixedly sleeved with a second bearing, and one side of the outer wall of the lead screw is fixedly connected with a servo motor. According to the carton stacking device, under the mutual cooperation of the conveying mechanism and the stacking mechanism, carton boxes of different sizes can be stacked, it is ensured that carton box pieces are kept neat and orderly in the stacking process, and therefore the stacking efficiency and the product quality are improved, the four bearing plates are adjustable, and the stability is good. Accurate adjustment can be carried out according to trays of different sizes so as to adapt to the trays of different specifications, and therefore the universality and flexibility of the equipment are further improved.

The invention discloses power battery module stacking production equipment. Comprising a feeding mechanism, a first feeding manipulator, a second feeding manipulator, a first feeding clip mechanism, a second feeding clip mechanism, two first main conveying lines, a first auxiliary conveying line, two second main conveying lines, a second auxiliary conveying line, a single-row battery module stacking mechanism, a first transfer manipulator and a second transfer manipulator, the system comprises a first single-row module conveying line, a second single-row module conveying line, a first single-row module carrying manipulator, a second single-row module carrying manipulator and a multi-row battery module stacking mechanism, stacking of a single row of battery modules and stacking of multiple rows of battery modules can be achieved on the same assembly line, full-automatic assembly line stacking is achieved, stacking of the single row of battery modules is achieved through multiple stations, double-line single-row battery modules are stacked at the same time, after stacking of the single row of battery modules is completed, stacking of the multiple rows of battery modules is directly conducted, and the stacking efficiency is improved. Manual transfer is not needed, and the stacking efficiency is high.

The invention relates to the technical field of refractory brick stacking, in particular to a refractory brick stacking device and a using method thereof.The refractory brick stacking device comprises an equipment base, guide rails are fixedly arranged on the left side and the right side of the equipment base, and two sets of driving rollers are rotationally arranged in the guide rails. According to the refractory brick stacking device and the using method thereof, the horizontally-moving rack pushes the clamping plate on the rear side to move forwards, the clamping plates on the front side and the rear side move relatively to push and arrange refractory bricks, the conveying belts on the two sides move the refractory bricks on the tray to the middle, and the refractory bricks on the left side and the right side are extruded, conveyed and arranged mutually. The tray is matched with the arrangement rack and the first helical tooth rack in the process of transporting the refractory bricks, the refractory bricks can be pushed in the front-back direction and the left-right direction, brick bodies which are placed in irregular positions are automatically centered and arranged, a user does not need to manually arrange the refractory bricks when placing the refractory bricks, the labor intensity of workers is reduced, and the stacking efficiency is improved.

The utility model discloses a bogie stacking structure, which relates to the technical field of railway engineering vehicles, and comprises at least two stacked bogies, a stacking device is arranged between every two vertically adjacent bogies, and the stacking device comprises four support limiting frames distributed in a rectangular shape. A transverse supporting rod is arranged between every two transversely adjacent supporting limiting frames, and a longitudinal supporting rod is arranged between every two longitudinally adjacent supporting limiting frames. The ends of the transverse supporting rods and the ends of the longitudinal supporting rods are connected with the corresponding supporting limiting frames through adjusting locking devices respectively. The utility model solves the problems that the conventional bogie can only be stored on a station track singly and the space utilization rate is low. The bogie stacking device provides a new bogie storage mode, so that the bogies can be safely and efficiently stacked and stored on the flat ground, and the utilization efficiency of a working site is remarkably improved. The overall tool design considers the diversity of the track gauges and the wheel set types, and is also used when the track gauges and the wheel set models change.

The invention discloses an image data superposition method and system, electronic equipment and a storage medium, and relates to the field of data processing. The invention provides a system hardware structure for TDI data superposition. The total stage number of a cache region is calculated by using the ratio of pixel row intervals to pixels in an image sensor and the number of light sources; overlapping row pixel data output by the image sensor with data in a final-stage cache region or a middle cache region in the data cache module, and inputting the overlapped data into the next data cache module; after each row of pixels are overlapped, data in the cache regions flow downwards step by step, data in the last-stage cache region are input into the middle cache module, and all the data cache modules correspond to different pixel rows one by one. Therefore, TDI superposition of the row pixel data in the image sensor can be realized, the spatial position corresponding to the cache region does not need to be calculated, and the image data superposition efficiency is improved.

The invention belongs to the technical field of concrete, and particularly relates to high-specific-gravity self-compacting concrete and a preparation method thereof. The high-specific-gravity self-compacting concrete is prepared from the following raw materials in parts by mass: 560 to 671 parts of natural coarse aggregate, 725 to 906 parts of iron ore, 300 parts of natural fine aggregate, 446 parts of steel slag sand, 383 parts of cement, 0 to 54 parts of steel slag powder, 107 parts of fly ash, 2.6 to 13.6 parts of water reducing agent and 150 to 182 parts of water. The performance of the concrete is greatly improved by improving the microcosmic performance of the concrete and grading of all the components, and the purposes of reducing the use amount of cement, reducing shrinkage and creep of the concrete, reducing CO2 emission, saving energy, protecting the environment and achieving green construction are achieved while high specific gravity, self-compaction and high strength of the concrete are achieved.

The invention discloses automatic packaging and stacking machine equipment for aluminum alloy commercial vehicle wheels, and relates to the field of wheel carrying and packaging, the automatic packaging and stacking machine equipment comprises a bottom plate and a supporting table fixedly connected with the top of the bottom plate, and a mechanical arm is installed on one side of the top of the supporting table. In the wheel winding and packaging process, winding operation is started through the first driving motor between the mechanical arm and the driving wheels, power is transmitted to the first ratchet wheel through the chain, then the two driving wheels are driven to rotate, and stable rotation of the rotating ring is ensured through friction force between the driving wheels and the rotating ring; meanwhile, an adhesive tape wheel uniformly winds an adhesive tape on the surface of the wheel, a second driving motor pushes a driving wheel and a driven wheel to synchronously rotate, it is ensured that the wheel continuously and stably rotates in the whole process, due to the synergistic effect, the winding efficiency is greatly improved, the packaging tightness and firmness are ensured, and finally rapid and automatic wheel packaging operation is achieved; and the overall efficiency and the product quality of the production line are improved.

The utility model relates to the technical field of knitting, and provides a novel large cloth swinging machine which comprises a controller, a base, a supporting seat, a cloth swinging frame, an encoder, an inductive switch, a servo motor, a stroke frame, a cloth swinging mechanism arranged on the stroke frame and a back-and-forth driving mechanism. The servo motor drives the driving shaft to rotate to drive the driving gear to rotate so as to drive the driven gear to rotate to enable the base to rotate on the supporting seat, the inductive switch recognizes the rotating speed of the circular knitting machine in real time and feeds the rotating speed back to the controller through the encoder, the stroke frame is arranged on the upper portion of the cloth swinging frame, and the traction roller set pulls woven cloth to the cloth swinging mechanism. The first driving unit is arranged on the stroke frame, and the output end of the first driving unit is connected with and drives the two walking belts to synchronously and horizontally move back and forth so as to drive the cloth swinging mechanism to move back and forth in the horizontal direction to swing, pile and fold cloth. The cloth placing machine solves the problems that an existing cloth placing machine is complex in swing adjusting structure, the swing cannot be conveniently and accurately controlled, and the cloth storage amount is small.

The present invention relates to an aluminum material frame stacking device, which comprises a main frame (1), a beam assembly (2) capable of being translated left and right is arranged on the main frame (1), a lifting frame assembly (3) capable of being lifted up and down is arranged on the beam assembly (2); the lifting frame assembly (3) comprises a lifting bracket (3.1), a horizontal bracket (3.2) is arranged at the bottom of the lifting bracket (3.1), and a plurality of latch mechanisms (3.3) are arranged at the front and rear sides of the horizontal bracket (3.2). The aluminum material frame stacking device of the present invention can automatically complete the stacking of material frames, greatly reduces the labor intensity of workers, improves the stacking efficiency, effectively ensures the stacking effect, and thus effectively avoids the occurrence of safety accidents.

The invention discloses a multilayer template lamination processing device, and relates to the technical field of laminated board processing, the multilayer template lamination processing device comprises a material selecting assembly used for preparing laminated board raw materials, the material selecting assembly is used for cutting needed materials and automatically sequencing according to product requirements, and the material selecting assembly is used for placing the needed materials on an overlapping assembly; multiple sets of limiting blocks are arranged on the overlapping assembly, the limiting blocks adjust the positions of the raw materials and push the stacked raw materials into the laminating assembly to be pressed, multiple sets of second pressing plates are arranged on the laminating assembly, the stacked raw materials are placed among the multiple sets of second pressing plates, and the overlapping assembly slides in the laminating assembly. According to the automatic stacking device, the raw materials needed by products are automatically stacked, the stacked raw materials are automatically fed into the laminating assembly, and the product processing effect is improved.

The present invention provides a glass unloading system for insulating glass production, comprising a paper laying machine, a roller unit, a packaging stand and a stacking unit; the grouped carrying parts in the stacking unit are respectively arranged on the conveying tracks above the roller unit and the packaging stand, the transport component enables the carrying part above the roller unit to move the grabbed glass to the packaging stand, and at the same time, the carrying part above the packaging stand is reset to the roller unit by the transport component after completing the glass stacking; the present invention realizes that the carrying part on the conveying track transports the glass twice to the packaging stand for stacking during a single cycle movement by means of carrying parts such as electric suction cups that are grouped on the conveying track of the bracket, thereby comparing with the unloading operation of picking up the glass one by one by a robot device, the efficiency of glass stacking is improved and the process of electrostatic adsorption is replaced, thereby solving the problem of insufficient unloading efficiency of glass stacking.

The invention relates to the technical field of radiation shielding performance detection, in particular to a shielding performance detection device of a radiation protection structure, which comprises a detection platform, an inner cavity of the detection platform is in transmission connection with a conveyor belt, the conveyor belt is provided with a notch I and a notch II, and a detector is fixedly arranged in the conveyor belt and is connected with the detection platform. An irradiator is fixedly arranged above the conveyor belt and located at the top of an inner cavity of the detection platform, a conveying mechanism is arranged in the inner cavity of the detection platform, a stacking mechanism is arranged at the tail end of the conveyor belt, workpieces are conveyed one by one through the conveying mechanism, the whole detection process can be automatically carried out, and manual intervention and errors are reduced. Accurate shielding performance data can be obtained through accurate irradiation and detection means. The detected workpieces are stacked one by one through the stacking mechanism, the workpieces are quickly stacked according to a sequence, data tracking is supported, an operator can conveniently and quickly find defective products, and therefore the overall quality of the products is ensured.

The utility model discloses an oat grass processing is with stacking device, it relates to stacking device structure technical field, it aims at solving the problem that the oat grass processing is with the stacking device of current oat grass when is stacking, can not well to the oat grass with the position limiting of oat grass, simultaneously when needing processing, can not conveniently oat grass is transported, its technical scheme main points include the installation base, the lower portion of installation base is installed with the moving wheel, the inside of installation base upper end is provided with the installation groove no.

The invention discloses a cloth stacking device and a stacking method thereof. The cloth stacking device comprises a workbench, a lifting table is arranged above the workbench, a first electric push rod is arranged below the lifting table, a stacking plate is arranged above the lifting table, a feeding frame is arranged above the workbench, and a feeding roller is arranged on the inner side of the feeding frame; a first mounting frame is arranged on one side of the feeding frame, a second mounting frame is arranged above the first mounting frame, a first connecting plate is arranged on the inner side of the first mounting frame, a first clamping plate is arranged on one side of the lower end of the first connecting plate, and a second clamping plate is arranged above the first clamping plate; according to the stacking device, one end of the cloth is clamped and pulled out through the two clamping plates, the cloth is horizontally pulled out and flatly laid on the stacking plate repeatedly, the cloth is horizontally pulled out to avoid deviation, leveling treatment is conducted after each piece of cloth is stacked, wrinkles on the surface of the stacked cloth are prevented, and the cloth stacking effect is improved.

The invention discloses a stacking robot, which comprises a movable outer frame, on which a control room and an up-and-down moving mechanism are arranged, and on which a positioning adjustment mechanism and a clamping mechanism of a mold platform are arranged. The invention is conducive to neatly stacking the mold platforms, facilitates subsequent steaming and curing, improves the efficiency of mold platform stacking, and promotes the improvement of production efficiency.

The utility model relates to the technical field of automatic seeding, and discloses an automatic tray stacking machine for seeding, which comprises a rack, two long conveying belts and two short conveying belts are arranged in the rack, and the upper half sections of the short conveying belts are higher than the upper half sections of the long conveying belts; a turnover baffle is arranged on the front side of the short conveying belt. The rack is provided with two sets of lifting hooks arranged in a bilateral symmetry mode, and the lifting hooks are located on the outer side of the short conveying belt. Through mutual cooperation of the long conveying belt, the short conveying belt, the baffles and the lifting hooks, stacking work of the seedling trays can be automatically completed, the stacking efficiency of the seedling trays can be effectively improved, and the labor intensity of workers is reduced.

The invention relates to the technical field of hoisting, in particular to a box-type large structural part hoisting device with a turnover function and a using method, and the box-type large structural part hoisting device comprises a T-shaped support arm, a suspension mechanism, a rotating seat, a clamping plate module, a chuck and a box-type component; a driving motor is arranged on the T-shaped supporting arm, a first gear and a second gear are arranged on a driving shaft, a chain is meshed with the first gear, and a double-end hook chain is meshed with the second gear. The clamping plate module drives the clamping head to fix the box-type component, the driving motor drives the rotating base to rotate through the chain, the rotating base drives the box-type component to rotate, then the box-type component can be overturned by 90 degrees leftwards and rightwards, and in the rotating process of the box-type component, the box-type component can be overturned by 90 degrees leftwards and rightwards. The lifting connection sliding block connected with the lifting hook can slide left and right to balance the gravity of the T-shaped supporting arm and the box-shaped component, then the gravity center of the T-shaped supporting arm and the gravity center of the box-shaped component are located under the lifting hook all the time, the shaking amplitude of a lifting rope can be reduced, and therefore the installation precision and the stacking efficiency of the box-shaped component are improved.

This invention discloses a high-temperature resistant, high-density water-based drilling fluid for ultra-deep wells and its preparation method, belonging to the field of oil and gas drilling technology. The drilling fluid is composed of the following components in parts by weight: 100 parts water, 2-5 parts high-temperature resistant modified clay, 150-280 parts composite weighting agent, 8-15 parts high-temperature resistant polymer filtration loss reducer, 3-8 parts core-shell type high-temperature resistant flow modifier, 4-10 parts nano-composite plugging agent, and 2-5 parts high-temperature stabilizer. This invention effectively solves the technical problems of rheological runaway, increased filtration loss, and barite sedimentation in ultra-deep well high-density water-based drilling fluids under high-temperature conditions above 220℃ by utilizing the high-temperature expansion-disintegration mechanism of the core-shell type flow modifier, nano- to micron-level multi-stage plugging, and the close packing of spherical and irregular weighting materials. It exhibits temperature resistance up to 220℃ and a density of 2.80 g / cm³. 3 It has the advantages of low filtration loss under high temperature and high pressure and good sedimentation stability.

The utility model discloses a kind of carton stacking mechanisms, belong to carton production field.It include stacking assembly, stacking assembly includes support seat, two groups of oppositely arranged lifting frame are provided on support seat, left lifting frame one, right lifting frame two, lifting frame one and lifting frame two are all provided with at least one group of support part for supporting carton, support seat is installed with the driving part with the driving carton moves;Adjusting assembly, adjusting assembly includes two groups of displacement part for adjusting the distance between lifting frame one and lifting frame two, which are arranged on support seat, driving part is connected between two groups of displacement part, which drives lifting frame one and lifting frame two to move synchronously close or away from each other.The carton stacking mechanism of the application forms a guide structure through the T-shaped seat sliding rail and the movable seat sliding groove of adjusting assembly, the movable seat is stably moved by the driving part driving the bidirectional screw rod, and the symmetry of the lifting frame is guaranteed;Four-point connection cooperates with scale, and the interval is prevented from being stuck.

The utility model relates to plywood production equipment technical field especially relates to a plywood production's pre -pressing integral type structure of stacking board, including support base, the pre -pressing machine is installed on support base upper end, the plywood is set up in pre -pressing machine inside, the motor is set up in support base inside, the screw rod is installed in motor output, the electric multistage telescopic link is equipped outside screw rod, the utility model under the action of electric multistage telescopic link and support block, the convenient operator carries out the superposition to the more plywood of quantity, relative to traditional sequentially upward accumulation, need not with the aid of external tool to climb high superposition, further reduce the stacking board time, improve the stacking board efficiency, under the cooperation of multistage telescopic link and stacking board limit block, can carry out automatic alignment to the plywood after superposition, need not manual alignment operation, reduce the time of superposition alignment, further improve the pre -pressing efficiency.

The application discloses a kind of PCB automatic stacking and disassembling assembly line mechanism and loading and unloading method suitable for plane CT detection, and relates to PCB stacking technical field, including production line conveying unit, the top of production line conveying unit is equipped with linear module for stacking movement, double-frame stacking rack is installed in the transverse movement movable end of linear module, and reciprocating moves with the movable end;Circulating supporting chain is oppositely arranged in the two side cavities of double-frame stacking rack;Flexible card strip is installed on circulating supporting chain in transverse vertical column, and flexible card strip is oppositely arranged in the cavity of double-frame stacking rack.This application realizes the multilayer stacking of PCB on production line conveying unit by the setting mode of linear module and double-frame stacking rack cooperation, and whole batch is sent into the below of CT fracture detection camera for CT fracture detection, improves overall detection efficiency, avoids the process of repeatedly adsorbing and moving PCB using suction cup in traditional way, and improves stacking efficiency.

The utility model provides a kind of photovoltaic embossed toughened glass paperless packaging structure, including bracket, the top of the bracket is attached with honeycomb paper pad, the top surface of honeycomb paper pad is attached with photovoltaic embossed toughened glass stack, the top of photovoltaic embossed toughened glass stack is attached with double corrugated board, and the four corners of photovoltaic embossed toughened glass stack are attached with corner guard plate;The double corrugated board, corner guard plate, bracket are fixed with photovoltaic embossed toughened glass stack by multiple plastic steel bands;By being provided with bracket in the bottom of honeycomb paper pad, and then by multiple plastic steel bands, double corrugated board, corner guard plate, bracket and photovoltaic embossed toughened glass stack are fixed together, so that robot can stably carry entire photovoltaic embossed toughened glass stack when stacking, with the advantages of improving stacking efficiency and saving packaging cost.

The utility model relates to a lead-acid storage battery lamination mechanism, which comprises a disc type lamination machine for laminating a positive plate and a negative plate into a polar plate group, a lamination device with one end arranged at a discharge port of the disc type lamination machine and used for laminating an edge negative plate and the polar plate group into a polar group, and a sheet conveying device arranged on the side surface of the lamination device and used for conveying the edge negative plate to the lamination device, wherein the lamination device comprises a conveying chain and a conveying table which are arranged in an upper layer and a lower layer, a feeding port of the conveying chain is connected to a discharging port of the disc type lamination machine, and the conveying table is communicated with the lamination feeding device. According to the utility model, the lamination device and the edge negative plate feeding device are arranged behind the discharge hole of the disc type lamination mechanism, and the lamination device is arranged into an upper-layer and lower-layer structure, so that the polar plate group and the edge negative plate can be simultaneously fed to the lamination device, and the lamination is completed to form a polar group.

The utility model relates to food packaging box production technical field, especially in kind of stacking device for food packaging box production, including first support rod, second support rod and foot, first support rod and second support rod all are provided with two, two first support rod between and two second support rod between common fixed installation have conveying belt, the front end and rear end of conveying belt all are fixedly connected with protection subassembly, the foot is provided with four, four foot upper end common fixedly connected with stacking subassembly, the right end upper portion and right end lower portion of stacking subassembly all are fixedly connected with fixed plate, the lower fixed plate lower end is inserted and installed with lifting device. The utility model discloses a kind of stacking device for food packaging box production, packaging box is conveyed to right end after conveying belt and falls into the stacking cavity in the stacking of stacking subassembly, the spring of stacking board lower end will be compressed due to pressure, play buffering effect, reduce the impact when packaging box falls, avoid corner deformation.

The invention belongs to the technical field of chip packaging, and discloses a chip packaging substrate stacking device and an operation method thereof.The chip packaging substrate stacking device comprises a base, a stand column is fixedly arranged at the top of the base, a sleeve is fixedly arranged at the top of the stand column, and a rotary communication part is rotationally installed in the sleeve. The rotating positions of the adsorption grabbing assemblies on the two sides are driven to be switched in cooperation with the rotating communication part, under the vacuumizing effect of the vacuum suction assembly, the states of the adsorption grabbing assemblies in different positions are automatically controlled, it is guaranteed that the adsorption grabbing assemblies complete adsorption grabbing of an upper-layer base plate on the top of the first feeding box, and the efficiency is improved. Compared with the prior art, the multi-layer substrate stacking device has the advantages that the multi-layer substrate stacking device is simple in feeding and positioning operation of different substrates, combined stacking is quickly realized, manual auxiliary manual adjustment is not needed, the efficiency and the precision are greatly improved especially for stacking processing of multiple layers of substrates, and the use effect is good.

The utility model discloses a lifting type rotating device for copper-clad plate packaging, and relates to the technical field of copper-clad plate packaging. The side pushing mechanism comprises a rotary table, a table top and two side pushing mechanisms, the table top is rotationally arranged on the rotary table through a rotary support, a rotary mechanism is arranged between the table top and the rotary table, the four side edges of the table top are each provided with a set of strip-shaped grooves perpendicular to the side edges of the table top, and the opposite sides of the rotary table are each fixedly provided with a set of first cross beams; and a group of second cross beams are fixed on the other opposite sides of the rotary table. Products can be stacked and reversed through the cooperation of the rotary table and the table top, the four side edges of the products on the table top can be positioned through the design arrangement of the two side pushing mechanisms, the stacking state of the products can be ensured, the products can be stably stacked in the center of the table top, and the product stacking efficiency is improved. And the stacking efficiency, the stacking precision, the packaging efficiency and the automation degree can be greatly improved.

A method and system for automatically stacking board pieces, the method comprising the following steps: (a) obtaining the length and width of a plurality of board pieces; (b) finding the optimal arrangement combination for arranging the board pieces according to a preset limit width; (c) sequentially arranging the board pieces in a horizontal centering manner along the width direction according to the optimal arrangement combination; and (d) determining whether all the board pieces have been arranged, and if so, ending the arrangement operation, and if not, returning to step (b). In this way, by means of a special horizontal centering arrangement and optimal arrangement combination, the present application can automatically stack board pieces of non-single sizes along the height direction, thereby improving stacking stability and efficiency.