CN220044616U - Scraper blade breeding device - Google Patents

Abstract

The utility model relates to a scraper blade cultivation device, which is characterized in that a frame mechanism is used for installing a cultivation mechanism and an automatic scraping mechanism, and comprises a frame, a headstock and a tailstock, wherein the frame comprises a frame structure formed by a plurality of upright posts, a plurality of cross beams and a plurality of longitudinal beams, and the headstock and the tailstock are arranged at two ends of the frame; the cultivation mechanism comprises at least two groups of cultivation units, the cultivation units are arranged on the frame along the height, and ventilation windows are arranged at the upper parts of the groups of cultivation units; each group of breeding units comprises two outer side plates, an upper blanking bottom plate and a lower blanking bottom plate, wherein the upper blanking bottom plate and the lower blanking bottom plate are arranged up and down, a feeding port is formed in one side of a top cover at the top of the frame, a blanking port and a discharging port are formed in the lower blanking bottom plate at the bottom, the automatic scraping mechanism comprises at least two groups of scraping units, the scraping units correspond to the respective breeding units, and each scraping unit comprises a motor, a chain transmission mechanism and a plurality of scraping plates. The utility model can turn over materials in cultivation, is beneficial to heat dissipation and oxygen supply of cultivation feeds, and improves the distribution efficiency and the insect output efficiency.

Description

Scraper blade breeding device

Technical Field

The utility model relates to a scraper blade breeding device, and belongs to the technical field of hermetia illucens breeding.

Background

In recent years, organic solid residues of kitchen waste are rapidly consumed by utilizing breeding of insects such as hermetia illucens, yellow mealworms and the like, and the conversion of biological chains into high-value insect proteins is realized. As the insect protein is rich in nutrient substances such as antibacterial peptide, chitin and the like, the insect protein is widely applied to the fields of feed production, ecological breeding, nutrition and health care, medicine and industry, and residues can be used as important high-quality organic fertilizer sources for deep development and utilization, so that the problems of organic solid residue resource waste and market protein shortage can be effectively solved.

The hermetia illucens can be cultured by adopting artificial culture and semi-mechanized rough culture, the artificial culture and the semi-mechanized culture are suitable for small-scale culture, the whole automation level is limited, the labor cost is high, the occupied area is large, the problems of low material scraping efficiency, easy escape of insect bodies, large occupied area and the like of the culture equipment exist, and the large-scale and stable production operation cannot be met.

The three-dimensional box type cultivation is a trend of automatic and intelligent cultivation at present because of small occupied area. The existing three-dimensional cultivation equipment is characterized in that a plurality of cultivation boxes placed on a vertical frame are adopted, each cultivation box is fed by a movable feeder, the timing and quantitative feed addition is realized, and after cultivation, the cultivation boxes are conveyed to a follow-up screening system through a conveying tool. The other is to stack the culture boxes, unstacking is needed during feeding, stacking is needed after feeding and the culture boxes are transported to a culture area through a transporting tool, and the culture boxes are transported to a subsequent screening system after unstacking. Therefore, the existing three-dimensional box type cultivation cannot turn materials in the cultivation box in the cultivation process, oxygen cannot be timely supplemented into the cultivation feed, and especially heat produced in the cultivation process cannot be timely dissipated, so that feeding of larvae is not facilitated, and the pest yield is low. And the problems of low cloth efficiency and difficult rear end conveying and screening exist.

Disclosure of Invention

The utility model aims to provide a scraper blade cultivation device which can turn materials in cultivation, is beneficial to heat dissipation and oxygen supply of cultivation feeds and improves distribution efficiency and insect output efficiency.

The technical scheme for achieving the purpose is as follows: the scraper blade cultivation device is characterized by comprising a frame mechanism, a cultivation mechanism and an automatic scraping mechanism;

the frame mechanism is used for installing the cultivation mechanism and the automatic scraping mechanism and comprises a frame, a headstock and a tailstock, wherein the frame comprises a frame structure formed by a plurality of stand columns, a plurality of cross beams and a plurality of longitudinal beams, a plurality of supporting seats for installing cultivation units of each group are arranged on the frame, and the headstock and the tailstock are installed at two ends of the frame;

the cultivation mechanism comprises at least two groups of cultivation units, the cultivation units are arranged on the frame along the height, and ventilation windows are arranged at the upper parts of the groups of cultivation units; each group of cultivation units comprises two outer side plates, an upper blanking bottom plate and a lower blanking bottom plate which are arranged up and down, wherein the outer side plates are arranged on the front side and the rear side of the upper blanking bottom plate and the lower blanking bottom plate; the feeding side of the lower blanking bottom plate exceeds the discharging side of the upper blanking bottom plate and is used for receiving falling materials, the feeding side of the upper blanking bottom plate of the lower part of the adjacent culture unit exceeds the discharging side of the upper part lower blanking bottom plate and is used for receiving falling materials, a feeding port is arranged on one side of a top cover at the top of the frame, a blanking port and a discharging port are arranged on the lower blanking bottom plate at the bottom of the frame, an electric flashboard is arranged on the lower blanking bottom plate or the frame, and the electric flashboard controls the closing and opening of the discharging port;

the automatic scraping mechanism comprises at least two groups of scraping units, the scraping units correspond to the respective cultivation units, and each scraping unit comprises a motor, a chain transmission mechanism and a plurality of scraping plates; the motor arranged on the headstock is connected with the driving shaft, the driving shaft is arranged on the fixed bearing seat through a bearing, the fixed bearing seat is arranged on the headstock, the driven shaft is arranged on the movable bearing seat through a bearing, and the movable bearing seat is arranged on the tailstock; the chain transmission mechanism is two groups, two driving chain wheels are arranged on the front side and the rear side of the driving shaft, two driven chain wheels are arranged on the front side and the rear side of the driven shaft, chains are arranged on the driving chain wheels and the driven chain wheels which correspond to each other, scraping plates are arranged on the two chains at intervals, scraping plates on the upper parts of the chains are positioned on the upper blanking bottom plate and used for pushing materials on the upper blanking bottom plate, and scraping plates on the lower parts of the chains are positioned on the upper parts of the lower blanking bottom plate and used for pushing materials on the lower blanking bottom plate.

The scraper blade cultivation device adopts a plurality of groups of cultivation units and a plurality of groups of scraping units, the cultivation units are arranged along the height, and materials are stored on the upper blanking bottom plate and the lower blanking bottom plate of each group, so that three-dimensional cultivation can be realized, and the cultivation area is further reduced. According to the utility model, the ventilation windows are arranged on each group of cultivation units, so that each cultivation unit is of an open structure, on the premise that the insects are prevented from escaping easily, the stored insects and feeds in the cultivation units can be communicated with the outside air, and the internal circulation and the material turning can be carried out on the materials, so that the materials are ventilated, radiated and timely supplemented with oxygen, the good ventilation and oxygen supplementing effects are achieved, the feeding capacity of the insects is enhanced, and the cultivation conversion efficiency is improved. According to the utility model, a plurality of groups of culture units are adopted, materials are added into the scraper culture device from the feed inlet, the materials on the blanking bottom plate are pushed to the discharge direction by the corresponding scraping units, so that quick material distribution can be realized, the materials are discharged to the corresponding lifting machine by the discharge outlet or the blanking outlet, the materials are fed, discharged and circulated in the scraper culture device, and the problems of low material distribution efficiency and difficult rear-end conveying and screening of the conventional equipment are solved. According to the utility model, the scraping unit is used for pushing the materials, so that the circulation and turning of the internal breeding materials can be realized in real time, the temperature control feedback and the micro fan adjustment can be utilized, the ventilation and heat dissipation functions of the breeding materials are further enhanced, the heat dissipation and oxygen supply of the breeding feed are facilitated, the optimal breeding state is achieved, and the insect output efficiency is improved.

Drawings

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings.

FIG. 1 is a schematic view of a scraper culture device according to the utility model.

FIG. 2 is a schematic view of the internal structure of the scraper cultivation device.

FIG. 3 is a schematic view of the structure of the cultivation mechanism of the present utility model.

Fig. 4 is a schematic view of the structure of section A-A of fig. 3.

Fig. 5 is an enlarged schematic view of the structure III of fig. 4 according to the present utility model.

Fig. 6 is a schematic view of the chain transmission mechanism of the present utility model.

Fig. 7 is an enlarged schematic view of the structure at I of fig. 1.

Fig. 8 is an enlarged schematic view of the structure at ii in fig. 1.

Fig. 9 is a schematic view of the structure of the squeegee of the present utility model.

Wherein: 1-frame, 1-machine tailstock, 1-2-top cover, 1-21-feed inlet, 1-3-beam, 1-4-column, 1-5-longitudinal beam, 1-6-headstock, 1-7-stiffening beam, 1-8-supporting seat, 2-scraping unit, 2-1-moving bearing seat, 2-driven shaft, 2-3-driven sprocket, 2-4-chain, 2-5-scraper, 2-6-angular scraper seat, 2-7-driving sprocket, 2-8-fixed bearing seat, 2-9-driving shaft, 2-10-motor, 3-chain limiting mechanism, 3-1-supporting plate, 3-2-limit wheels, 4-cultivation units, 4-1-upper blanking bottom plates, 4-2-lower blanking bottom plates, 4-21-blanking ports, 4-22-discharging ports, 4-3-outer plates, 4-31-chain cover plates, 4-32-chain guide grooves, 4-33-middle cover plates, 4-ventilation windows, 4-5-baffle plates, 4-6-connection supports, 5-chain tensioning units, 5-1-movable supports, 5-2-elastic parts, 5-3-fixed supports, 5-4-adjusting parts, 6-electric flashboards and 7-micro fans.

Detailed Description

The utility model discloses a scraper cultivation device, which is shown in figures 1-3 and comprises a frame mechanism, a cultivation mechanism and an automatic scraping mechanism.

As shown in figures 1 and 2, the frame mechanism is used for installing a culture mechanism and an automatic scraping mechanism and comprises a frame 1, a headstock 1-6 and a tailstock 1-1, wherein the frame 1 comprises a frame structure formed by a plurality of upright posts 1-4, a plurality of cross beams 1-3 and a plurality of longitudinal beams 1-5, a reinforcing beam 1-7 is arranged between each culture unit 4 of the frame 1, each blanking bottom plate can be supported by the reinforcing beam 1-7, and the reinforcing beam 1-7 can adopt a plurality of reinforcing longitudinal beams or/and a plurality of reinforcing cross beams so that the frame 1 has better mechanical strength. As shown in fig. 7, a plurality of supporting seats 1-8 for installing each group of cultivation units 4 are arranged on a frame 1 of the utility model, and connecting seats 4-6 on the cultivation units 4 are installed on the corresponding supporting seats 1-8 through fasteners, so that the installation and the operation are convenient. The headstock 1-6 and tailstock 1-1 of the utility model are installed at both ends of the frame 1, and the bottom of each upright post 1-4 is installed on a supporting foot.

As shown in figures 1-4, the cultivation mechanism comprises at least two groups of cultivation units 4, the cultivation units 4 are arranged on the frame 1 along the height, 2-8 groups of cultivation units 4 can be arranged, and more cultivation units 4 can be arranged, and the cultivation mechanism adopts three groups of cultivation units 4 and can be adjusted according to cultivation requirements. The upper parts of the culture units 4 of each group are provided with ventilation windows 4-4, the distance h between the ventilation windows 4-4 is 0.25-0.3 m, the top cover 1-2 and the uppermost culture unit 4 as well as the culture units 4 are subjected to normal heat dissipation and ventilation through the ventilation windows 4-4, as the upper parts of the culture units 4 are of open structures and are not sealed, the stored insect seedlings and feeds in the culture units 4 can be communicated with the outside air, and the insect seedlings and feeds can be pushed and turned in the culture process, so that the ventilation, heat dissipation and timely oxygen supplement of the materials in each culture unit 4 are maintained, a good ventilation and oxygen supplement effect is achieved, and the feeding capability of insects is enhanced.

As shown in figures 1-4, each group of cultivation units 4 comprises two outer side plates 4-3, an upper blanking bottom plate 4-1 and a lower blanking bottom plate 4-2 which are arranged up and down, the outer side plates 4-3 are arranged on the front side and the rear side of the upper blanking bottom plate 4-1 and the lower blanking bottom plate 4-2, the upper blanking bottom plate 4-1 and the lower blanking bottom plate 4-2 receive materials and prevent the insects from escaping through the outer side plates 4-3, so that three-dimensional cultivation of black soldier flies is realized, and meanwhile, the materials are pushed from top to bottom in the cultivation units 4 under the action of the scraping unit 2 so as to realize turning.

As shown in fig. 2 to 4, the feeding side of the lower blanking bottom plate 4-2 exceeds the discharging side of the upper blanking bottom plate 4-1 and is used for receiving the falling materials, the feeding side of the upper blanking bottom plate 4-1 below the adjacent cultivation unit 4 exceeds the discharging side of the upper blanking bottom plate 4-2 and is used for receiving the falling materials, the materials are distributed from top to bottom, the cultivation unit 4 is provided with a baffle plate 4-5 on the path of the discharging side of the upper blanking bottom plate 4-1 and the feeding side of the lower blanking bottom plate 4-1 and on the path of the discharging side of the lower blanking bottom plate 4-2 and the feeding side of the upper blanking bottom plate 4-1, the baffle plate can be installed on the frame 1, the baffle plate can be in a groove shape or a tube shape, the materials at the upper blanking bottom plate 4-1 are pushed from the discharging side to the lower blanking bottom plate 4-2 by the scraping unit 2, and then the materials on the lower blanking bottom plate 4-2 are pushed into the next cultivation unit 4, and the materials are sequentially pushed into the cultivation units from the upper cultivation unit. A feed inlet 1-21 is formed in one side of a top cover 1-2 of a frame 1, a feed outlet 4-21 and a discharge outlet 4-22 are formed in a lower blanking bottom plate 4-2 at the bottom, an electric flashboard 6 is arranged on the lower blanking bottom plate 4-2 or the frame 1, the electric flashboard 6 controls the closing and opening of the discharge outlet 4-22, materials are added through the feed outlet 4-21 through a lifter, when materials are required to circulate, the materials discharged through the feed outlet 4-21 are added into a cultivation unit 4 through the lifter, and when cultivation is finished, the materials are discharged into the discharge lifter through the discharge outlet 4-22 and matched with the lifter, so that the materials are fed, discharged and circulated in a scraper cultivation device.

As shown in fig. 2-3, the upper blanking bottom plate 4-1 and the lower blanking bottom plate 4-2 are arranged in a staggered manner along the end part of the feeding direction, the length of the feeding side of the upper blanking bottom plate 4-1 on the same side exceeds the length of the discharging side of the lower blanking bottom plate 4-2, and the length of the feeding side of the lower blanking bottom plate 4-2 on the same side exceeds the length of the discharging side of the upper blanking bottom plate 4-1, so that materials on the upper part can be sequentially pushed onto the lower blanking bottom plate 4-2 on the lowest part from the upper blanking bottom plate 4-1 on the uppermost part, and the two ends of the upper blanking bottom plate 4-1 and the lower blanking bottom plate 4-2 are respectively provided with a declining material guiding inclined plane, so that the materials can fall better. According to the utility model, the space H between the upper blanking bottom plate 4-1 and the lower blanking bottom plate 4-2 is 0.5-0.6 m, and the space H between the upper blanking bottom plate 4-1 and the lower blanking bottom plate 4-2 is 0.55m, so that on one hand, enough space is reserved between the upper blanking bottom plate 4-1 and the lower blanking bottom plate 4-2, a better ventilation and oxygen supplementing effect is achieved in cultivation, and on the other hand, the scraping unit 2 can push materials on the upper blanking bottom plate 4-1 and the lower blanking bottom plate 4-2 at the same time, and the distribution, discharge and circulation efficiency is improved.

According to the utility model, each group of cultivation units 4 is provided with at least one temperature sensor for measuring the temperature of materials on an upper blanking bottom plate 4-1 and a lower blanking bottom plate 4-2, the temperature sensors can be arranged in the middle of the upper blanking bottom plate 4-1 and the lower blanking bottom plate 4-2, a plurality of temperature sensors can also be arranged at intervals, an environmental temperature control device is arranged on a headstock 1-6 or a tailstock 1-1, a plurality of micro fans 7 are arranged in the middle of an outer side plate 4-3 at intervals along the transverse direction, the environmental temperature control device is used for receiving signals of the temperature sensors and controlling the micro fans 7 to turn on the micro fans 7 to perform forced ventilation and heat dissipation once the temperature of the materials detected by the temperature sensors exceeds the preset cultivation temperature of 35 ℃, and a motor 2-10 is started to turn over the materials.

As shown in figures 1 and 2, a chain limiting mechanism 3 is further arranged on a path through which a chain 2-4 passes, the chain limiting mechanism 3 comprises two limiting wheels 3-2 capable of rotating freely, a chain 2-4 passing gap is arranged between the two limiting wheels 3-2, a supporting plate 3-1 is further arranged on the headstock 1-6, the two limiting wheels 3-2 are rotatably arranged on the headstock 1-6 and the supporting plate 3-1 and can rotate freely, when the chain 2-4 passes through the gap between the two limiting wheels 3-2, the chain 2-4 is kept not to deviate, and under the action of a chain guide groove 4-32 on the outer side plate 4-3, the two chains 2-4 can drive a scraping plate 2-5 stably and reliably to run stably.

As shown in figures 4 and 5, the outer plate 4-3 of the utility model comprises an upper chain cover plate 4-31, a lower chain cover plate 4-31 and a middle cover plate 4-33, wherein the middle of the chain cover plate 4-31 is provided with a convex chain guide groove 4-32, a chain 2-4 is arranged in the chain guide groove 4-32, the upper end and the lower end of the chain cover plate 4-31 are provided with inward flanging to improve the strength of the chain cover plate 4-31, the chain cover plate 4-31 is fixedly connected with a corresponding upper blanking bottom plate 4-1 and a lower blanking bottom plate 4-2, a connecting support 4-6 is fixedly arranged on the chain cover plate 4-31 at intervals, the connecting support 4-6 is arranged on a supporting seat 1-8 of a rack 1, the middle cover plate 4-33 is connected with the two chain cover plates 4-31, and a micro fan 7 is arranged on the middle cover plate 4-33.

As shown in fig. 1 to 4, the automatic scraping mechanism of the utility model comprises at least two groups of scraping units 2, the automatic scraping mechanism is used for pushing materials in an upper blanking bottom plate 4-1 and a lower blanking bottom plate 4-2, the scraping units 2 correspond to respective cultivation units 4, three groups of scraping units 2 are correspondingly arranged by adopting three groups of cultivation units 4, and each group of scraping units 2 corresponds to one group of cultivation units 4. Referring to fig. 2, 3 and 6, the scraping unit 2 of the utility model comprises a motor 2-10, a chain transmission mechanism and a plurality of scraping plates 2-5, wherein the motor 2-10 arranged on a headstock 1-6 is connected with a driving shaft 2-9, the motor 2-10 is connected with the driving shaft 2-9 through a speed reducer, the power of the motor 2-10 is provided for the chain transmission mechanism after being reduced, the driving shaft 2-9 is arranged on a fixed bearing seat 2-8 through a bearing, the fixed bearing seat 2-8 is arranged on the headstock 1-6, a driven shaft 2-2 is arranged on a movable bearing seat 2-1 through a bearing, and the movable bearing seat 2-1 is arranged on a tailstock 1-1. As shown in FIG. 6, the chain transmission mechanism is two groups, two driving chain wheels 2-7 are arranged on the front side and the rear side of the driving shaft 2-9, two driven chain wheels 2-3 are arranged on the front side and the rear side of the driven shaft 2-2, chains 2-4 are arranged on the driving chain wheels 2-7 and the driven chain wheels 2-3 which are respectively corresponding, scraping plates 2-5 are arranged on the two chains 2-4 at intervals, the scraping plates 2-5 on the upper part of the chains 2-4 are positioned on the upper part of the upper blanking bottom plate 4-1 and used for pushing materials on the upper blanking bottom plate 4-1, and the scraping plates 2-5 on the lower part of the chains 2-4 are positioned on the upper part of the lower blanking bottom plate 4-2, so that a group of scraping units 2 can push and turn materials on two blanking bottom plates on a group of cultivation units 4 at the same time.

As shown in FIG. 4, the scrapers 2-5 are arranged on the chain 2-4 at intervals of 550-750 mm and can be spaced 650-mm, and 2.0+/-0.5 mm intervals are arranged between the bottom surface of the scrapers 2-5 and the upper blanking bottom plate 4-1 and between the bottom surface of the scrapers 2-5 and the lower blanking bottom plate 4-2, so that the scrapers 2-5 can stably push materials in the feeding direction. As shown in FIG. 9, the scraping plate 2-5 of the utility model comprises a flat plate part in the middle and V-shaped plate parts or arc-shaped plate parts on the upper side and the lower side, the angular scraping plate seat 26 is arranged at two ends of the flat plate part of the scraping plate 2-5 through a fastener, one side of the angular scraping plate seat 26 is arranged on the chain 2-4 through a fastener, the height of the scraping plate 2-5 is between 0.2 and 0.3m, for example, the height of the scraping plate 2-5 is between 0.25m or 0.28m, the thickness of the scraping plate 2-5 can be between 0.05 and 10mm, for example, the thickness of the scraping plate 2-5 is 5mm, and the length of the scraping plate 2-5 is between 1.5 and 2.5m, and can be set according to the sizes of the upper blanking bottom plate 4-1 and the upper blanking bottom plate 4-1.

As shown in figures 1 and 8, the tail seat 1-1 of the utility model is also provided with a chain tensioning unit 5 corresponding to each scraping unit 2, the chain tensioning unit 5 comprises a fixed support 5-3, a movable support 5-1, an elastic piece 5-2 and an adjusting piece 5-4, the fixed support 5-3 is arranged on the tail seat 1-1, the tail seat 1-1 is provided with an adjusting groove, a driven shaft 2-2 is arranged in the adjusting groove, the movable support 5-1 is connected with the movable bearing seat 2-1, the two elastic pieces 5-2 are arranged on corresponding connecting rods of the movable support 5-1, the connecting rods penetrate through the fixed support 5-3 and are connected with the adjusting pieces 5-4, two ends of the elastic piece 5-2 are propped against the movable support 5-1 and the fixed support 5-3, and the elastic pieces 5-21-42 can adopt springs, so that tensioning adjustment can be realized by adopting double springs, and the chain 2-4 can be tensioned by the elastic force of the springs, so that the scraping plate 2-5 can stably and reliably run.

When the scraper blade cultivation device works, the scraper blade cultivation device is connected with the lifting machine and the discharging lifting machine, the lifting machine lifts the feed and the insect seedlings which are added according to the requirements from the feed inlet 1-21, the scraper blade 2-5 runs along with the chain 2-4, the material which falls on the upper blanking bottom plate 4-1 is pushed to the discharging side and falls on the lower blanking bottom plate 4-2, the scraper blade 2-5 continuously pushes the material on the lower blanking bottom plate 4-2 to the discharging side and then falls on the upper blanking bottom plate 4-1 of the cultivation unit 4 of the next group, the materials are sequentially pushed from top to bottom, when the feeding or the circulating turning is required in the cultivation, the materials fall into the lifting machine from the blanking inlet 4-21 on the lower blanking bottom plate 4-2 at the bottom, and the turning is realized in the pushing process. After the cultivation is finished, the electric flashboard 6 is opened, materials are sequentially pushed to the discharge ports 4-22 from top to bottom to enter the discharge elevator, and the materials are conveyed into the screening system for separation. The utility model can realize three-dimensional cultivation by adopting a plurality of groups of scraper cultivation devices matched with a plurality of groups of lifts.

Claims (10)

1. The scraper blade cultivation device is characterized by comprising a frame mechanism, a cultivation mechanism and an automatic scraping mechanism;

the machine frame mechanism is used for installing a cultivation mechanism and an automatic scraping mechanism and comprises a machine frame (1), a machine head seat (1-6) and a machine tail seat (1-1), wherein the machine frame (1) comprises a frame structure formed by a plurality of upright posts (1-4), a plurality of cross beams (1-3) and a plurality of longitudinal beams (1-5), a plurality of supporting seats (1-8) for installing each group of cultivation units (4) are arranged on the machine frame (1), and the machine head seat (1-6) and the machine tail seat (1-1) are arranged at two ends of the machine frame (1);

the cultivation mechanism comprises at least two groups of cultivation units (4), the cultivation units (4) are arranged on the frame (1) along the height, and ventilation windows (4-4) are arranged at the upper parts of the groups of cultivation units (4); each group of cultivation units (4) comprises two outer side plates (4-3), an upper blanking bottom plate (4-1) and a lower blanking bottom plate (4-2) which are arranged up and down, and the outer side plates (4-3) are arranged on the front side and the rear side of the upper blanking bottom plate (4-1) and the lower blanking bottom plate (4-2); the feeding side of the lower blanking bottom plate (4-2) exceeds the discharging side of the upper blanking bottom plate (4-1) and is used for receiving falling materials, the feeding side of the upper blanking bottom plate (4-1) at the lower part of the adjacent cultivation unit (4) exceeds the discharging side of the lower blanking bottom plate (4-2) at the upper part and is used for receiving falling materials, one side of a top cover (1-2) at the top of the rack (1) is provided with a feeding port (1-21), the lower blanking bottom plate (4-2) at the bottom is provided with a blanking port (4-21) and a discharging port (4-22), an electric flashboard (6) is arranged on the lower blanking bottom plate (4-2) or the rack (1), and the electric flashboard (6) controls the closing and opening of the discharging port (4-22);

the automatic scraping mechanism comprises at least two groups of scraping units (2), the scraping units (2) correspond to respective cultivation units (4), and the scraping units (2) comprise motors (2-10), chain transmission mechanisms and a plurality of scraping plates (2-5); the motor (2-10) arranged on the headstock (1-6) is connected with the driving shaft (2-9), the driving shaft (2-9) is arranged on the fixed bearing seat (2-8) through a bearing, the fixed bearing seat (2-8) is arranged on the headstock (1-6), the driven shaft (2-2) is arranged on the movable bearing seat (2-1) through a bearing, and the movable bearing seat (2-1) is arranged on the tailstock (1-1); the chain transmission mechanism is characterized in that two groups of chain transmission mechanisms are arranged, two driving chain wheels (2-7) are arranged on the front side and the rear side of a driving shaft (2-9), two driven chain wheels (2-3) are arranged on the front side and the rear side of a driven shaft (2-2), chains (2-4) are arranged on the driving chain wheels (2-7) and the driven chain wheels (2-3) which correspond to each other, scraping plates (2-5) are arranged on the two chains (2-4) at intervals, the scraping plates (2-5) on the upper parts of the chains (2-4) are positioned on the upper parts of an upper blanking bottom plate (4-1) and used for pushing materials on the upper blanking bottom plate (4-1), and the scraping plates (2-5) on the lower parts of the chains (2-4) are positioned on the upper parts of a lower blanking bottom plate (4-2).

2. A screed cultivation device according to claim 1, wherein: each group of cultivation units (4) is provided with at least one temperature sensor for measuring the temperature of materials on an upper blanking bottom plate (4-1) and a lower blanking bottom plate (4-2), an environment temperature control device is arranged on a headstock (1-6) or a tailstock (1-1), a plurality of micro fans (7) are arranged in the middle of an outer side plate (4-3) at intervals along the transverse direction, and the environment temperature control device is used for receiving signals of the temperature sensors and controlling the micro fans (7).

3. A screed cultivation device according to claim 1 or 2, wherein: the outer side plate (4-3) comprises an upper chain cover plate (4-31) and a lower chain cover plate (4-33), an outer protruding chain guide groove (4-32) is formed in the middle of the chain cover plate (4-31), a chain (2-4) is arranged in the chain guide groove (4-32), the chain cover plate (4-31) is fixedly connected with a corresponding upper blanking bottom plate (4-1) and a corresponding lower blanking bottom plate (4-2), connecting supports (4-6) are fixedly arranged on the chain cover plate (4-31) at intervals, the connecting supports (4-6) are arranged on supporting seats (1-8) of the frame (1), the middle cover plate (4-33) is connected with the two chain cover plates (4-31), and the micro fan (7) is arranged on the middle cover plate (4-33).

4. A screed cultivation device according to claim 1, wherein: the cultivation unit (4) is provided with a baffle plate (4-5) on the path of the discharging side of the upper blanking bottom plate (4-1) and the feeding side of the lower blanking bottom plate (4-2) and on the path of the discharging side of the lower blanking bottom plate (4-2) and the feeding side of the upper blanking bottom plate (4-1) of the adjacent cultivation unit (4).

5. A screed cultivation device according to claim 1, wherein: the upper blanking bottom plate (4-1) and the lower blanking bottom plate (4-2) are arranged in a staggered mode along the end portion of the feeding direction, the length of the feeding side of the upper blanking bottom plate (4-1) on the same side exceeds the length of the discharging side of the lower blanking bottom plate (4-2), the length of the feeding side of the lower blanking bottom plate (4-2) on the same side exceeds the length of the discharging side of the upper blanking bottom plate (4-1), and the interval H between the upper blanking bottom plate (4-1) and the lower blanking bottom plate (4-2) is between 0.5 and 0.6 m.

6. A screed cultivation device according to claim 1 or 5, wherein: both ends of the upper blanking bottom plate (4-1) and the lower blanking bottom plate (4-2) are respectively provided with a declining material guiding inclined plane.

7. A screed cultivation device according to claim 1, wherein: the scraping plates (2-5) are arranged on the chain (2-4) at intervals of 550-750 and mm, and 2.0+/-0.5 mm intervals are arranged between the bottom surface of the scraping plates (2-5) and the upper blanking bottom plate (4-1) and between the bottom surface of the scraping plates (2-5) and the lower blanking bottom plate (4-2).

8. A screed cultivation device according to claim 1 or 7, wherein: the scraping plate (2-5) comprises a flat plate part in the middle and V-shaped plate parts or arc-shaped plate parts on the upper side and the lower side, the angular scraping plate seat (26) is arranged at two ends of the flat plate part of the scraping plate (2-5) through a fastener, one side of the angular scraping plate seat (26) is arranged on the chain (2-4) through a fastener, and the height of the scraping plate (2-5) is between 0.2 and 0.3 m.

9. A screed cultivation device according to claim 1, wherein: the machine head seat (1-6) is further provided with a chain limiting mechanism (3) on a path through which the chain (2-4) passes, the chain limiting mechanism (3) comprises two limiting wheels (3-2) capable of rotating freely, the two limiting wheels (3-2) are arranged on the supporting plate (3-1) and the machine head seat (1-6), and a chain (2-4) passing gap is arranged between the two limiting wheels (3-2).

10. A screed cultivation device according to claim 1, wherein: the machine tail seat (1-1) on still install chain tensioning unit (5) that corresponds with each scraping unit (2), chain tensioning unit (5) include fixed bolster (5-3), remove support (5-1) and elastic component (5-2) and regulating part (5-4), fixed bolster (5-3) install on machine tail seat (1-1), machine tail seat (1-1) on be equipped with the adjustment tank, driven shaft (2-2) set up in the adjustment tank, remove support (5-1) and remove bearing frame (2-1) and be connected, two elastic components (5-2) are installed on the connecting rod that corresponds of removal support (5-1), the connecting rod passes fixed bolster (5-3) and is connected with respective regulating part (5-4), both ends of elastic component (5-2) top on removal support (5-1) and fixed bolster (5-3).