CN220476276U

CN220476276U - Fertilizing device for planting landscape greening seedlings

Info

Publication number: CN220476276U
Application number: CN202321714325.7U
Authority: CN
Inventors: 房洋; 张世先; 朱亚康; 费少青
Original assignee: Sinohydro Corp Engineering Bureau 15 Co Ltd
Current assignee: Sinohydro Corp Engineering Bureau 15 Co Ltd
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2024-02-13
Anticipated expiration: 2033-07-03

Abstract

The utility model provides a fertilizing device for planting landscaping seedlings, which comprises a bottom bracket, brake universal wheels arranged at the front end and the rear end of the bottom surface of the bottom bracket, two support rods arranged on the upper end surface of the bottom bracket, a feed hopper connected to the upper part of the bottom bracket through a mounting frame, a stirring mechanism arranged in the feed hopper, a distributing mechanism connected with the lower outlet of the feed hopper, a drill rod assembly communicated with the distributing mechanism through a telescopic connecting piece, and a driving mechanism arranged on the support rods and capable of driving the drill rod assembly to punch and fertilize; the utility model can realize the integrated automatic operation of perforation and fertilization, saves time and labor, is convenient to operate, can effectively improve the fertilization efficiency and fertilization effect, and reduces the operation difficulty and labor intensity of workers.

Description

Fertilizing device for planting landscape greening seedlings

Technical Field

The utility model belongs to the technical field of landscape greening, and particularly relates to a fertilizer apparatus for planting landscape greening seedlings.

Background

With the rapid development of social economy, the material culture level of people is continuously improved, and garden tree maintenance is increasingly valued by garden workers as an important component of garden greening. The maintenance work of the greening engineering is important, the change of the seedlings must be observed at any time, the diseases and insect pests, wind disasters and drought conditions are found, measures are timely taken, and the maintenance work is actually done; the content of various nutrient elements in the soil is limited, the nutrients which can be provided for the seedlings are limited, the soil cannot bear the demands of the seedlings which depend on the growth of the seedlings on the soil for a long time, and the lost nutrients are usually supplemented by adopting a manual fertilization mode in the prior art, so that the healthy growth of the seedlings is ensured.

Because the root of the seedling is rooted in the soil, when the seedling is fertilized, a fertilization hole is usually dug manually on the soil beside the seedling, and then fertilizer is added into the fertilization hole, so that the fertilizer is slowly soaked in the soil for the root system of the seedling to absorb, and further, the nutrition required by the growth of the seedling is ensured; but manual hole digging and fertilization work intensity is large, operation is complex, time and labor are wasted, fertilization efficiency is low, hole digging depth and fertilization amount are not guaranteed, fertilization effect of seedlings is uneven easily, and healthy and balanced planting and growth of the seedlings are not facilitated.

Disclosure of Invention

The utility model aims to provide a fertilizing device for planting landscaping seedlings, which solves the problems that in the prior art, manual hole digging and fertilizing are adopted for planting the seedlings, the working intensity is high, the operation is complex, time and labor are wasted, the fertilizing efficiency is low, the hole digging depth and the fertilizing amount are not guaranteed, and the like.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a view afforestation is fertilizer injection unit for nursery stock planting, includes the bottom support, sets up the brake formula universal wheel at both ends around the bottom support bottom surface sets up two spinal branch vaulting poles of bottom support up end are in through the mounting bracket connection the feeder hopper on bottom support upper portion, set up the rabbling mechanism in the feeder hopper, with feed hopper lower part exit linkage's feed divider mechanism, through telescopic connecting piece and feed divider mechanism's drilling rod subassembly, and set up can drive on the bracing piece drilling rod subassembly punches and the actuating mechanism of fertilizer delivery.

Preferably, the drill rod assembly comprises: the device comprises a drilling barrel which is vertically penetrated, a spiral blade which is sleeved on the outer side wall of the drilling barrel, a fertilizer conveying barrel which is provided with an opening at the upper end and is in sliding connection with the inside of the drilling barrel, and a conical drill bit which is connected with the bottom end of the fertilizer conveying barrel, wherein fertilizer conveying holes are formed in the side wall of the bottom of the fertilizer conveying barrel in a penetrating manner, and the drill bit is positioned on the outer side of the drilling barrel.

Preferably, the outer side wall of the fertilizer delivery cylinder is provided with a sliding block, the inner side wall of the drill cylinder is provided with a sliding groove matched with the sliding block, two ends of the sliding groove are sealed, the bottom of the fertilizer delivery cylinder is in a downward inclined shape, and the fertilizer delivery hole is positioned on one side of the inclined surface.

Preferably, the driving mechanism includes: the drill pipe comprises a driving wheel, a first motor, a mounting plate and a lifting assembly, wherein the driving wheel is fixedly sleeved on the outer side of the upper end of the drill pipe, the driving wheel is connected with the driving wheel in a driving way through a driving belt, the first motor is used for driving the driving wheel to rotate, the mounting plate is rotationally connected with the output end of the drill pipe and the output end of the first motor, and the lifting assembly is arranged on the supporting rod and can drive the mounting plate to move up and down.

Preferably, the lifting assembly includes: the device comprises a transverse plate arranged at the top of the two supporting rods, a screw rod with one end rotationally connected with the transverse plate and the other end in threaded connection with the mounting plate, and a rotating handle arranged at the top of the screw rod, wherein the mounting plate is slidably arranged on the supporting rods.

Preferably, the connector comprises: the corrugated pipes are respectively connected with the hollow pipes arranged at the two ends of the corrugated pipes, the hollow pipe above the corrugated pipes is connected with the outlet of the distributing mechanism, and the hollow pipe below the corrugated pipes is rotatably connected with the drill cylinder through a bearing.

Preferably, the material distributing mechanism comprises: the material distributing box is hollow in the interior and is in a transverse cylindrical shape, two ends of the material distributing box are rotatably connected with front and rear side walls of the material distributing box, a material distributing roller fixedly sleeved on the outer side of the rotating shaft, a plurality of material distributing grooves uniformly distributed around the circumference of the material distributing roller, and a rotating assembly for driving the material distributing roller to rotate.

Preferably, any one of the rotating shafts penetrates through the material distributing box to be connected with the rotating assembly, and the rotating assembly comprises: the worm wheel is fixedly connected to the rotating shaft, and one end of the worm wheel is meshed with the worm wheel, and the other end of the worm wheel is rotationally connected with the supporting rod.

Preferably, the stirring mechanism: the stirring shaft comprises stirring shafts, stirring teeth and a second motor, wherein the two ends of the stirring shafts are rotationally connected with the feeding hopper, the stirring teeth are arranged on the surfaces of the stirring shafts, the second motor is used for driving the stirring shafts to rotate, and any end of each stirring shaft penetrates through the feeding hopper and is connected with the second motor.

Compared with the prior art, the utility model has the advantages that:

1. according to the utility model, the stirring mechanism is arranged in the feed hopper to stir and mix the fertilizer, so that the condition of caking of the fertilizer is avoided, the quantitative discharge of the fertilizer is realized by arranging the distributing mechanism, the fertilizing amount of each seedling is ensured, the drill rod assembly is driven by the driving mechanism to accurately punch holes and discharge the fertilizer flowing out of the distributing mechanism into the holes, the integrated automatic operation of punching and fertilizing is realized, the time and labor are saved, the fertilizing efficiency and fertilizing effect are improved, and the operation difficulty and labor intensity of workers are reduced;

2. according to the utility model, the conical drill bit is arranged at the bottom of the fertilizer delivery cylinder, the spiral blade is arranged on the outer side surface of the drill cylinder, so that the drill cylinder rotates and moves downwards under the drive of the driving mechanism to rapidly carry out punching operation;

3. according to the utility model, the lifting assembly is arranged, the lifting height of the mounting plate is controlled by manually rotating the screw, so that the drilling depth is conveniently controlled according to the requirements of different seedlings, the fertilizer absorption effect of the seedlings is improved, the situation that the absorption of the seedlings to the fertilizer is influenced by the depth of the fertilizing holes, the healthy growth of the seedlings is influenced by the entering of the seedlings is avoided, and the flexibility is high;

4. according to the utility model, the plurality of distributing grooves are uniformly distributed on the distributing roller, and the fertilizer in the feeding hopper flows into each distributing groove for quantitative storage and discharge under the rotation of the distributing roller, so that the fertilizer amount flowing out of the distributing mechanism at each time is always kept consistent, the consistency of the fertilizer amount of each seedling is further ensured, the fertilizer effect on the seedlings is effectively improved, and the healthy and balanced planting and growth of the seedlings are facilitated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and should not be considered limiting the scope, and that other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a fertilizing device for planting landscaping seedlings;

FIG. 2 is a cross-sectional view of a drill rod assembly of a fertilizer apparatus for planting landscaping seedlings;

FIG. 3 is a schematic view of the structure of a connecting piece of a fertilizing device for planting landscaping seedlings;

FIG. 4 is a schematic diagram of a distributing mechanism of a fertilizing device for planting landscaping seedlings;

FIG. 5 is a schematic view of a distributing roller structure of a fertilizing device for planting landscaping seedlings;

reference numerals: 1-bottom bracket, 2-brake universal wheel, 3-bracing piece, 4-mounting bracket, 5-feeder hopper, 6-rabbling mechanism, 7-feed mechanism, 8-connecting piece, 9-drilling rod subassembly, 10-actuating mechanism, 11-bore section of thick bamboo, 12-screw blade, 13-fertilizer delivery section of thick bamboo, 14-cone drill bit, 15-fertilizer delivery hole, 16-slider, 17-spout, 18-drive wheel, 19-drive belt, 20-action wheel, 21-first motor, 22-mounting plate, 23-elevating assembly, 24-diaphragm, 25-screw rod, 26-rotating handle, 27-bellows, 28-hollow tube, 29-feed box, 30-axis of rotation, 31-feed roll, 32-feed chute, 34-worm wheel, 35-worm, 36-rabble shaft, 37-stirring tooth, 38-second motor.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some 14 embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

It should be noted that the features of the embodiments of the present utility model may be combined with each other without conflict.

As shown in fig. 1, a fertilizing device for planting landscaping seedlings comprises a bottom bracket 1, braking universal wheels 2 arranged at the front end and the rear end of the bottom bracket 1, two supporting rods 3 arranged on the upper end face of the bottom bracket 1, a feed hopper 5 arranged on the upper part of the bottom bracket 1 and connected with a mounting frame 4, a stirring mechanism 6 arranged in the feed hopper 5, a distributing mechanism 7 connected with the outlet of the lower part of the feed hopper 5, a drill rod assembly 9 communicated with the distributing mechanism 7 through a telescopic connecting piece 8, and a driving mechanism 10 arranged on the supporting rods 3 and capable of driving the drill rod assembly 9 to punch and convey fertilizer.

Wherein, as shown in fig. 3, the connecting piece 8 comprises: the corrugated pipes 27 are respectively connected with hollow pipes 28 arranged at two ends of the corrugated pipes 27, the hollow pipe 28 above the corrugated pipes 27 is connected with the outlet of the material distributing mechanism 7, and the hollow pipe 28 below the corrugated pipes 27 is rotatably connected with the drill cylinder 11 through bearings.

In practice, fertilizer passes through feeder hopper 5 entering device inside, stirring mechanism 6 in the feeder hopper 5 stirs and mixes the fertilizer, effectively avoid the condition of weather moist fertilizer caking to take place, in the fertilizer through stirring and mixing passes through feed mechanism 7 ration discharge to drilling rod assembly 9, actuating mechanism 10 drives drilling rod assembly 9 and accurately punches and will follow the fertilizer that flows out in feed mechanism 7 in the hole under telescopic connecting piece 8's effect, and then make the fertilization volume of every seedling obtain guaranteeing, realize punching fertilization integration automatic operation, labour saving and time saving has improved fertilization efficiency and fertilization effect, the operation degree of difficulty and the intensity of labour of workman have been reduced.

As shown in fig. 2, the drill rod assembly 9 includes: the device comprises a drilling barrel 11 which is vertically penetrated, a spiral blade 12 which is sleeved on the outer side wall of the drilling barrel 11, a fertilizer conveying barrel 13 which is provided with an opening at the upper end and is in sliding connection with the inside of the drilling barrel 11, and a conical drill bit 14 which is connected with the bottom end of the fertilizer conveying barrel 13, wherein a fertilizer conveying hole 15 is penetrated through the side wall at the bottom of the fertilizer conveying barrel 13, and the drill bit is positioned at the outer side of the drilling barrel 11.

The fertilizer feeding device is characterized in that a sliding block 16 is arranged on the outer side wall of the fertilizer feeding barrel 13, a sliding groove 17 matched with the sliding block 16 is arranged on the inner side wall of the drill barrel 11, two ends of the sliding groove 17 are sealed, the bottom of the fertilizer feeding barrel 13 is inclined downwards, and a fertilizer feeding hole 15 is arranged on one side of the inclined surface.

When the device is used for downwards punching, the driving mechanism 10 drives the drilling cylinder 11 to rotate and move downwards, the conical drill bit 14 is in butt joint with the ground, the fertilizer conveying cylinder 13 and the fertilizer conveying hole 15 are always located inside the drilling cylinder 11, the conical drill bit 14 at the bottom of the fertilizer conveying cylinder 13 and the spiral blade 12 on the outer side face of the drilling cylinder 11 are arranged, the drilling cylinder 11 can be used for rapidly downwards punching, efficiency is improved, after the punching is completed, the drilling cylinder 11 moves upwards under the action of the driving mechanism 10, the fertilizer conveying cylinder 13 slides downwards under the action of self gravity, the fertilizer conveying hole 15 leaks out of the drilling cylinder 11, then fertilizer inside the fertilizer conveying cylinder 13 is enabled to flow out of the fertilizer conveying hole 15 accurately and fall into the fertilizer conveying hole, waste caused by scattering to the outside of the fertilizer conveying hole is effectively avoided, the bottom of the fertilizer conveying cylinder 13 is arranged to be downwards inclined, the fertilizer conveying hole 15 is located on one side of the inclined plane, the fertilizer in the fertilizer conveying cylinder 13 can slide down along the inclined plane, the bottom of the fertilizer conveying cylinder 13 is not stacked, and the practicability of the device is further improved.

As shown in fig. 1, the driving mechanism 10 includes: the drill cylinder comprises a driving wheel 18 fixedly sleeved on the outer side of the upper end of the drill cylinder 11, a driving wheel 20 in transmission connection with the driving wheel 18 through a driving belt 19, a first motor 21 for driving the driving wheel 20 to rotate, a mounting plate 22 in rotation connection with the output end of the drill cylinder 11 and the output end of the first motor, and a lifting assembly 23 arranged on the supporting rod and capable of driving the mounting plate 22 to move up and down.

The driving mechanism 10 has the following working principle: the first motor 21 drives the driving wheel 20 to rotate, and then drives the driving wheel 18 to drill through the driving belt 19, and then drives the drill barrel 11 connected with the rotating wheel to rotate, and the punching work of the drill barrel 11 is realized under the cooperation of the lifting assembly 23; the first motor 21 is a normal and reverse rotation motor commonly used in the prior art, and a speed reducer can be further arranged between the first motor 21 and the driving wheel 20.

As shown in fig. 1, the lifting assembly 23 includes: the device comprises a transverse plate 24 arranged at the top of the two support rods 3, a screw rod 25 with one end rotatably connected with the transverse plate 24 and the other end in threaded connection with the mounting plate 22, and a rotating handle 26 arranged at the top of the screw rod 25, wherein the mounting plate 22 is slidably arranged on the support rods 3.

In practice, the lifting height of the mounting plate 22 can be controlled by manually rotating the screw 25 through the rotating handle 26, so that the drilling depth can be controlled according to the requirements of different seedlings, the fertilizer absorbing effect of the seedlings is improved, and the situation that the seedling absorbs the fertilizer and the healthy growth of the seedlings is influenced because the fertilizing hole depth influences the seedling is avoided.

As shown in fig. 4 and 5, the distributing mechanism 7 includes: the inside cavity just is cylindric branch magazine 29 in horizontal, both ends with the axis of rotation 30 that the lateral wall rotates around the branch magazine 29 is connected, fixed cover is established the branch material roller 31 in the axis of rotation 30 outside, around a plurality of branch silo 32 that divide material roller 31 circumference evenly to lay, and the drive divide material roller 31 pivoted rotating assembly.

Wherein, arbitrary axis of rotation 30 tip runs through divide magazine 29 with rotate the subassembly and be connected, rotate the subassembly and include: a worm wheel 34 fixedly connected to the rotation shaft 30, and a worm 35 having one end engaged with the worm wheel 34 and the other end rotatably connected to the support rod 3; in the implementation, the end part of the worm 35 can be provided with a rotating handle, so that the convenience in use is improved.

The working principle of the material distributing mechanism 7 is as follows: the worm 35 is driven to rotate, the worm wheel 34 meshed with the worm 35 is driven to rotate, the distributing roller 31 in the distributing box 29 is driven to rotate through the rotating shaft 30, fertilizer in the feeding hopper 5 flows into each distributing groove 32 to be quantitatively stored and discharged under the rotation of the distributing roller 31, so that the fertilizer amount flowing out of the distributing mechanism 7 is always kept consistent every time, the consistency of the fertilizing amount of each seedling is further ensured, the fertilizing effect on the seedlings is effectively improved, and healthy and balanced planting and growing of the seedlings are facilitated.

As shown in fig. 1, the stirring mechanism 6: the stirring device comprises a stirring shaft 36 with two ends rotatably connected with the feeding hopper, stirring teeth 37 arranged on the surface of the stirring shaft 36, and a second motor 38 for driving the stirring shaft 36 to rotate, wherein any end of the stirring shaft 36 penetrates through the feeding hopper and is connected with the second motor 38; the stirring teeth can effectively improve the stirring and mixing efficiency of the fertilizer.

Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the utility model, and that those skilled in the art will be understood that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a view afforestation fertilizer injection unit for nursery stock planting which characterized in that: including bottom support (1), set up brake formula universal wheel (2) at both ends around bottom support (1) bottom surface, set up two spinal branch vaulting poles (3) of bottom support (1) up end are in through mounting bracket (4) connect feeder hopper (5) on bottom support (1) upper portion, set up rabbling mechanism (6) in feeder hopper (5), with feed hopper (5) lower part exit linkage's feed divider mechanism (7), through telescopic connecting piece (8) and feed divider mechanism (7) intercommunication drilling rod subassembly (9), and set up can drive on bracing piece (3) drilling rod subassembly (9) punch and fertile actuating mechanism (10).

2. The fertilizer apparatus for planting landscaping seedlings according to claim 1, wherein: the drill rod assembly (9) comprises: the device comprises a drilling barrel (11) which is vertically penetrated, a spiral blade (12) which is sleeved on the outer side wall of the drilling barrel (11), a fertilizer delivery barrel (13) which is provided with an opening at the upper end and is in sliding connection with the inside of the drilling barrel (11), and a conical drill bit (14) which is connected with the bottom end of the fertilizer delivery barrel (13), wherein a fertilizer delivery hole (15) is formed in the bottom side wall of the fertilizer delivery barrel (13) in a penetrating manner, and the drill bit is positioned on the outer side of the drilling barrel (11).

3. The fertilizer apparatus for planting landscaping seedlings according to claim 2, wherein: the fertilizer distributor is characterized in that a sliding block (16) is arranged on the outer side wall of the fertilizer delivery cylinder (13), a sliding groove (17) matched with the sliding block (16) is arranged on the inner side wall of the drill cylinder (11), two ends of the sliding groove (17) are sealed, the bottom of the fertilizer delivery cylinder (13) is in a downward inclined shape, and a fertilizer delivery hole (15) is arranged on one side of the inclined surface.

4. The fertilizer apparatus for planting landscaping seedlings according to claim 2, wherein: the drive mechanism (10) includes: the device comprises a driving wheel (18) fixedly sleeved on the outer side of the upper end of the drilling barrel (11), a driving wheel (20) which is connected with the driving wheel (18) in a driving way through a driving belt (19), a first motor (21) which drives the driving wheel (20) to rotate, a mounting plate (22) which is rotationally connected with the output end of the drilling barrel (11) and the output end of the first motor (21), and a lifting assembly (23) which is arranged on the supporting rod (3) and can drive the mounting plate (22) to move up and down.

5. The fertilizer apparatus for planting landscaping seedlings as set forth in claim 4, wherein: the lifting assembly (23) comprises: the device comprises a transverse plate (24) arranged at the top of each supporting rod (3), a screw rod (25) with one end rotationally connected with the transverse plate (24) and the other end in threaded connection with the mounting plate (22), and a rotating handle (26) arranged at the top of the screw rod (25), wherein the mounting plate (22) is slidably arranged on the supporting rods (3).

6. The fertilizer apparatus for planting landscaping seedlings according to claim 2, wherein: the connector (8) comprises: the corrugated pipes (27) are respectively connected with hollow pipes (28) arranged at two ends of the corrugated pipes (27), the hollow pipes (28) above the corrugated pipes (27) are connected with the outlet of the distributing mechanism (7), and the hollow pipes (28) below the corrugated pipes (27) are rotatably connected with the drill cylinder (11) through bearings.

7. The fertilizer apparatus for planting landscaping seedlings according to claim 1, wherein: the material distributing mechanism (7) comprises: the material distributing device comprises a material distributing box (29) which is hollow in the interior and is in a transverse cylindrical shape, a rotating shaft (30) with two ends rotatably connected with the front side wall and the rear side wall of the material distributing box (29), a material distributing roller (31) fixedly sleeved on the outer side of the rotating shaft (30), a plurality of material distributing grooves (32) uniformly distributed around the circumference of the material distributing roller (31), and a rotating assembly for driving the material distributing roller (31) to rotate.

8. The fertilizer apparatus for planting landscaping seedlings as set forth in claim 7, wherein: any one of the rotating shaft (30) ends penetrates through the material distributing box (29) and is connected with the rotating assembly, and the rotating assembly comprises: a worm wheel (34) fixedly connected to the rotating shaft (30), and a worm (35) with one end meshed with the worm wheel (34) and the other end rotationally connected with the supporting rod (3).

9. The fertilizer apparatus for planting landscaping seedlings according to claim 1, wherein: the stirring mechanism (6): the stirring device comprises a stirring shaft (36) with two ends rotatably connected with a feeding hopper (5), stirring teeth (37) arranged on the surface of the stirring shaft (36), and a second motor (38) for driving the stirring shaft (36) to rotate, wherein either end of the stirring shaft (36) penetrates through the feeding hopper (5) and is connected with the second motor (38).