CN106034519B

CN106034519B - Electronic control waterfall type precision fertilizer distributor

Info

Publication number: CN106034519B
Application number: CN201610648105.7A
Authority: CN
Inventors: 柴国平
Original assignee: Agricultural Machinery Manufacturing Co Ltd
Current assignee: Agricultural Machinery Manufacturing Co Ltd
Priority date: 2016-08-10
Filing date: 2016-08-10
Publication date: 2020-02-04
Anticipated expiration: 2036-08-10
Also published as: CN106034519A

Abstract

The invention belongs to the technical field of fertilizing machinery, and provides an electronic control waterfall type precision fertilizer distributor which comprises a frame provided with a hopper, wherein a material distributing roller connected with a motor is arranged at an outlet of the hopper, one side of the material distributing roller is provided with a fertilizer brushing device, and the other side of the material distributing roller is provided with an anti-backflow device; the fertilizer brushing device comprises a connecting seat and fertilizer brushing bristles arranged on the connecting seat, and the connecting seat is detachably arranged at an outlet of the hopper; the anti-backflow device is a brush bar or a brush roll, the brush bar and the brush roll respectively comprise plastic bristles and steel bristles, and the steel bristles are clamped between the plastic bristles. Through above-mentioned technical scheme, the inhomogeneous problem of fertilizer spreading of fertilizer distributor among the prior art has been solved.

Description

Electronic control waterfall type precision fertilizer distributor

Technical Field

The invention belongs to the technical field of fertilizing machinery, and relates to an electric control waterfall type precision fertilizer distributor with uniform fertilizer distribution and good safety.

Background

With the development of economy, agricultural machinery such as a seeder and a combine harvester is used more and more in agricultural production, so that the labor intensity of farmers is greatly reduced, the labor efficiency is also greatly improved, and at the moment, a fertilizer spreading machine which is simple and convenient to operate and reliable in performance is still lacked in the process of fertilization. The fertilizer spreading machine in the prior art has the problem of uneven fertilizer spreading in the using process.

Disclosure of Invention

The invention provides an electric control waterfall type precision fertilizer distributor, which solves the problem of uneven fertilizer distribution of the fertilizer distributor in the prior art.

The technical scheme of the invention is realized as follows:

an electrically controlled waterfall type precision fertilizer distributor comprises

The automatic fertilizer spreading machine is provided with a rack of a hopper, wherein a material spreading roller connected with a motor is arranged at an outlet of the hopper, a fertilizer brushing device is arranged on one side of the material spreading roller, and an anti-backflow device is arranged on the other side of the material spreading roller.

As a further technical scheme, the fertilizer brushing device comprises a connecting seat and fertilizer brushing bristles arranged on the connecting seat, and the connecting seat is detachably arranged at an outlet of the hopper;

the anti-backflow device is a brush bar or a brush roll, the brush bar and the brush roll respectively comprise plastic bristles and steel bristles, and the steel bristles are clamped between the plastic bristles.

As a further technical scheme, the material spreading roller comprises a roller core and a nylon tooth roller coated outside the roller core, wherein the circumference of the nylon tooth roller is uniformly sunken downwards to form a plurality of arc-shaped troughs, and trough walls are arranged between the troughs;

the thickness of the plastic bristles is the same as that of the end part of the groove wall, the plastic bristles and the groove wall are just in contact, and the plastic bristles extend into the groove.

As a further technical scheme, the nylon tooth roller comprises a plurality of groove sections which are sequentially arranged, and at least half of the groove sections are angularly adjustably arranged on the roller core.

As a further technical scheme, a pawl is arranged at the output end of the motor and clamped in a tooth groove of a driving wheel, the driving wheel is connected with a first driven wheel through a chain, and the first driven wheel is connected with the spreading roller.

As a further technical scheme, the device also comprises a speed sensor arranged on the rack, and the speed sensor and the motor are both connected with a controller.

As a further technical scheme, the material spreading device also comprises a stirring shaft arranged above the material spreading roller, stirring blades are arranged on the stirring shaft, the stirring shaft is connected with a second driven wheel, the second driven wheel is also connected with the driving wheel through a chain,

the driving wheel, the driven wheel I and the driven wheel II are connected through a chain to form a triangle, and the driving wheel drives the driven wheel I and the driven wheel II to rotate. The (mixing) shaft sets up in spilling material roller top 15cm department, through inventor's a large amount of experiments, sets up in this position, can guarantee the stirring effect, makes fertilizer on the lateral wall can slide down smoothly, does not also influence the normal operating of spilling the material roller.

As a further technical scheme, the hopper is a high-hardness transparent hopper, a waterfall width adjusting plate is arranged in the hopper, the waterfall width adjusting plate is arranged on the track in a sliding mode, and a plurality of clamping pieces are arranged on the track.

As a further technical scheme, the automatic feeding device further comprises a cover body which is hinged above the hopper, the hopper is connected with the cover body sequentially through an automatic telescopic rod and an arc-shaped connecting piece, and a buckle is arranged on the cover body.

As a further technical scheme, the quantitative device further comprises a quantitative partition board transversely inserted into the hopper through quantitative holes, scale marks are arranged on the hopper, the quantitative holes are a plurality of, and hole plugs or the quantitative partition board are arranged on the quantitative holes.

The invention has the beneficial effects that:

1. the fertilizer spreading roller is arranged at an opening of the hopper, the fertilizer spreading roller is driven by a motor to rotate to take out fertilizer in the trough and scatter the fertilizer into a field, wherein the fertilizer spreading roller is positioned between the fertilizer spreading roller and the hopper, one side of the fertilizer spreading roller is provided with a fertilizer brushing device, and the other side of the fertilizer spreading roller is provided with an anti-backflow device; the fertilizer brushing device is tangent to the spreading roller, the fertilizer amount can be well controlled by the tangent structure, the fertilizer can be prevented from being exposed, the fertilizer can only leak out of the hopper when the spreading roller rotates, the waste caused by the fertilizer leakage is avoided, and the cost is saved; the backflow preventing device and the spreading roller are perpendicular to each other, so that backflow of fertilizer in the trough can be avoided, the fertilizer which is not swept out by the fertilizer brushing device can be well swept out, backflow can also be prevented, the fertilizer can be prevented from leaking outwards, the uniformity of fertilizer spreading is guaranteed, and efficient waterfall type fertilizer spreading is achieved.

2. The connecting seat of the fertilizer brushing device is detachable, the fertilizer brushing hairs can be conveniently replaced after being worn after being used for a long time, the backflow preventing device is a brush strip or a brush roll, the brush strip and the brush roll respectively comprise plastic bristles and steel bristles, the steel bristles can play a good supporting role, and compared with the plastic bristles, backflow can be better prevented, and some fertilizer plastic bristles can not be brushed cleanly, but the backflow can be completely and comprehensively prevented under the driving of the steel bristles.

3. The spreading roller comprises a roller core and a nylon tooth roller coated outside the roller core, no interval is arranged in the middle of the nylon tooth roller, the nylon tooth roller is of an axial-flow type, and a trough is used for rolling fertilizer spreading during rotation, so that the fertilizer can be spread in a waterfall shape, the uniformity and continuity of fertilizer spreading are ensured, and the fertilizer spreading effect is improved; the roller core of the material scattering roller is a metal roller core, so that the connection stability of the material scattering roller and the motor can be enhanced, and the nylon tooth roller is made of a non-metal material, so that the corrosion caused by direct contact of the metal roller core and the fertilizer can be avoided, and the service life of the material scattering roller is prolonged; the thickness of plastics brush hair is the same and both just contact with of the thickness of cell wall tip, and the chemical fertilizer does not leak can be guaranteed to this kind of just good setting mode of contacting, and puts the reflux effect best, and the brush is fertile the hair stretches into to the silo in can be fine novel fertilizer that spills to realized the best waterfall formula under many-sided adjustment and broadcast fertile effect.

4. The nylon tooth roller comprises a plurality of groove sections which are arranged in sequence, and a part of the groove sections can be clamped after being adjusted to a proper angle, so that the material grooves on each groove section are communicated or form a certain included angle; when the silo is certain contained angle, can make and spill fertile effect more disperse, be particularly suitable for the great granular chemical fertilizer of particle diameter to the application scope of equipment, it is more convenient to use, thereby improves the homogeneity of spilling fertile comprehensively, makes fertilizer distribution more even in the field, improves crop output.

5. The output end of the motor is provided with the ratchet wheel and the pawl clamped in the tooth socket of the ratchet wheel, the pawl and the driving wheel are actively matched to form one-way meshing, so that the motor can only drive the material scattering roller to rotate in the forward direction, and when the motor rotates reversely, the pawl and the ratchet wheel are in a sliding state, so that the motor cannot drive the material scattering roller to rotate reversely, and the material scattering roller, the fertilizer brushing device and the backflow preventing device in the equipment cannot be damaged even if the power supply of the motor is connected in a wrong way, so that the safety performance of the machine is improved.

6. The controller can adjust the rotating speed of the motor in a frequency conversion mode, so that the rotating speed of the spreading roller is adjusted, the fertilizing flow is accurately controlled, the fertilizing amount is not in accordance with the requirement, the fertilizer is not wasted, and the field is not lack of the fertilizer; the hopper is formed by combining a novel bulletproof transparent material and steel, so that the transparency is high, the hardness is high, an operator can visually monitor the amount of the residual fertilizer in the hopper according to a driver, the use of the fertilizer spreader is convenient, and the overall use effect is very perfect.

7. According to the invention, a user can adjust the positions of the waterfall width adjusting plates through the clamping pieces, the two adjusting plates are respectively arranged at two ends of the hopper, and the user can adjust the waterfall type fertilizer spreading width of the hopper through the waterfall width adjusting plates, so that the fertilizer spreading width is consistent with the field size and the user requirements, and the practicability and the application range of the invention are increased.

8. According to the automatic opening and closing device, the cover body is arranged above the hopper, the hopper is connected with the cover body sequentially through the automatic telescopic rod and the arc-shaped connecting piece, when the cover body is opened, the automatic telescopic rod automatically extends to push the connecting piece to rotate, and when the automatic telescopic rod extends to the longest, the cover body is in an opened state, so that a user can conveniently operate the hopper; when needs lid is closed, the lid under the lid, automatic telescopic link shrink drives the arc connecting piece rotatory, and the lid is closed, and the back is closed to the lid, and automatic telescopic link does not have ascending power to lid physical direction down, and consequently the lid can not oneself open and stability is very high, increases the joint strength of lid and frame, guarantees the leakproofness of hopper, avoids reasons such as wind, rain to cause fertilizer loss.

9. According to the quantitative fertilizer spreading device, a user can quantitatively control fertilizer spreading through the quantitative partition plate, when the user needs to apply a certain amount of fertilizer in a field with a certain area, the quantitative partition plate can be inserted into the quantitative hole in a proper position, so that the fertilizer in the hopper is divided into two parts, the fertilizer below the metering plate can be spread into the sky through the spreading roller, the fertilizer above the metering plate cannot slide down, the quantitative fertilizer spreading is realized, and the fertilizer spreading accuracy is further improved.

Drawings

The present invention will be described in detail with reference to the accompanying drawings and embodiments.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a groove segment structure according to the present invention;

FIG. 3 is a schematic view of a pawl according to the present invention;

FIG. 4 is a schematic block diagram of a control structure according to the present invention;

in the figure: 1-frame, 2-hopper, 3-motor, 4-spreading roller, 42-nylon roller, 421-groove section, 43-groove, 44-groove wall, 5-fertilizer brushing device, 51-connecting seat, 52-fertilizer brushing, 6-backflow preventing device, 7-driving wheel, 82-pawl, 9-driven wheel I, 10-controller, 11-waterfall width adjusting plate, 12-cover body, 13-automatic telescopic rod, 14-arc connecting piece and 16-quantitative partition plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 4, the present invention provides an electrically controlled waterfall type precision fertilizer distributor, comprising:

the fertilizer spreading machine is provided with a frame 1 with a hopper 2, a material spreading roller 4 connected with a motor 3 is arranged at an outlet of the hopper 2, a fertilizer brushing device 5 is arranged on one side of the material spreading roller 4, and an anti-backflow device 6 is arranged on the other side of the material spreading roller.

According to the fertilizer spreading device, a spreading roller 4 is arranged at an opening of a hopper 2, the spreading roller 4 is driven by a motor 3 to rotate, so that fertilizer in a trough 43 is brought out and is scattered into a field, wherein the fertilizer is positioned between the spreading roller 4 and the hopper 2, a fertilizer brushing device 5 is arranged on one side of the spreading roller 4, and an anti-backflow device 6 is arranged on the other side of the spreading roller; the fertilizer brushing device 5 is tangent to the spreading roller 4, the fertilizer quantity can be well controlled by the tangent structure, the fertilizer can be prevented from being exposed, the fertilizer can be leaked from the hopper 2 only when the spreading roller 4 rotates, the waste caused by the fertilizer leakage is avoided, and the cost is saved; the backflow preventing device 6 and the spreading roller 4 are perpendicular to each other, so that backflow of fertilizer in the trough 43 can be avoided, the fertilizer which is not swept out by the fertilizer brushing device 5 can be well swept out, backflow can also be prevented, the fertilizer can be prevented from leaking outwards, the uniformity of fertilizer spreading is guaranteed, and efficient waterfall type fertilizer spreading is achieved.

Further, the fertilizer brushing device 5 comprises a connecting seat 51 and fertilizer brushing bristles 52 arranged on the connecting seat 51, and the connecting seat 51 is detachably arranged at the outlet of the hopper 2;

the backflow prevention device 6 is a brush bar or a brush roll, the brush bar and the brush roll both comprise plastic bristles and steel bristles, and the steel bristles are clamped between the plastic bristles.

The connecting seat 51 of the fertilizer brushing device 5 can be detached, the fertilizer brushing bristles 52 can be conveniently replaced after being worn after being used for a long time, the backflow preventing device 6 is a brush bar or a brush roll, the brush bar and the brush roll respectively comprise plastic bristles and steel bristles, the steel bristles can play a good supporting role, and compared with the plastic bristles, backflow can be better prevented, and some fertilizer plastic bristles can not be cleanly brushed, but can completely and comprehensively achieve backflow prevention under the driving of the steel bristles.

Further, the material spreading roller 4 comprises a roller core and a nylon tooth roller 42 coated outside the roller core, the nylon tooth roller 42 is uniformly and downwards sunken on the circumference to form a plurality of circular arc-shaped material grooves 43, and a groove wall 44 is arranged between the material grooves 43; the thickness of the plastic brush hair is the same as that of the end part of the groove wall 44, the plastic brush hair and the groove wall are just contacted, and the brush hair 52 extends into the groove 43.

The spreading roller 4 comprises a roller core and a nylon tooth roller 42 coated outside the roller core, no interval is arranged in the middle of the nylon tooth roller 42, the nylon tooth roller is of an axial-flow type, and a trough 43 is used for spreading fertilizer in a rolling manner during rotation, so that the fertilizer can be spread in a waterfall shape, the uniformity and continuity of spreading the fertilizer are ensured, and the fertilizer spreading effect is improved; the roller core of the material scattering roller 4 is a metal roller core, so that the connection stability of the material scattering roller 4 and the motor 3 can be enhanced, and the nylon tooth roller 42 is made of a non-metal material, so that the corrosion caused by direct contact of the metal roller core and the fertilizer can be avoided, and the service life of the material scattering roller 4 is prolonged; the thickness of the plastic bristles is the same as that of the end part of the groove wall 44, and the plastic bristles and the end part of the groove wall 44 are in proper contact, so that the fertilizer can be prevented from leaking due to the proper contact arrangement mode, the backflow effect is optimal, the brush bristles 52 extend into the trough 43, and the novel fertilizer spreading effect can be good, and therefore the optimal waterfall type fertilizer spreading effect is achieved under the adjustment of multiple aspects.

Further, the nylon dental roller 42 includes a plurality of groove segments 421 sequentially arranged, and at least half of the groove segments 421 are angularly adjustably arranged on the roller core.

The nylon tooth roller 42 comprises a plurality of groove sections 421 which are arranged in sequence, and a part of the groove sections 421 can be clamped after being adjusted to a proper angle, so that the material grooves 43 on each groove section 421 are communicated or form a certain included angle, and when the material grooves 43 are communicated, the uniformity of material scattering can be ensured; when silo 43 is certain contained angle, can make and spill fertile effect more disperse, be particularly suitable for the great granular chemical fertilizer of particle diameter to the application scope of equipment, it is more convenient to use, thereby improves the homogeneity of spilling fertile comprehensively, and it is more even to make fertilizer distribute in the field, improves crop output.

Further, a pawl 82 is arranged at the output end of the motor 3, the pawl 82 is clamped in a tooth groove of the driving wheel 7, the driving wheel 7 is connected with a driven wheel I9 through a chain, and the driven wheel I9 is connected with the spreading roller 4.

According to the invention, the ratchet wheel 81 and the pawl 82 clamped in the tooth grooves of the ratchet wheel 81 are arranged at the output end of the motor 3, the pawl 82 and the driving wheel 7 are actively matched to form one-way engagement, so that the motor 3 can only drive the material scattering roller 4 to rotate in the forward direction, and when the motor 3 rotates reversely, the pawl 82 and the ratchet wheel 81 are in a sliding state, so that the motor 3 cannot drive the material scattering roller 4 to rotate reversely, therefore, even if the power supply of the motor 3 is connected in a wrong way, the material scattering roller 4, the fertilizer brushing device 5 and the backflow preventing device 6 in the device cannot be damaged, and the safety performance of the machine is improved.

Further, a speed sensor 17 is arranged on the frame 1, and the speed sensor 17 and the motor 3 are both connected with the controller 6.

Further, the stirring device also comprises a stirring shaft 18 arranged above the material scattering roller 4, stirring blades (not shown) are arranged on the stirring shaft 18, the stirring shaft 18 is connected with a second driven wheel 20, and the second driven wheel 20 is also connected with the driving wheel 7 through a chain.

The driving wheel 7, the driven wheel I9 and the driven wheel II 20 are connected through chains to form a triangle, and the driving wheel 7 drives the driven wheel I9 and the driven wheel II 20 to rotate. The stirring shaft 18 is arranged 15cm above the material scattering roller 4, and through a large amount of experiments of the inventor, the stirring shaft is arranged at the position, so that the stirring effect can be ensured, the fertilizer on the side wall can smoothly slide down, and the normal operation of the material scattering roller 4 is not influenced.

According to the invention, a speed sensor 17 arranged on a rack 1 transmits a speed signal of the rack 1 to a controller 10, and the controller 10 can adjust the rotating speed of a motor 3 in a frequency conversion mode according to the running speed of the machine, so that the rotating speed of a material spreading roller 4 is adjusted, the fertilizer application flow is accurately controlled, the fertilizer application amount is ensured not to be in accordance with the requirement, the fertilizer is not wasted, and the lack of the fertilizer in the field is avoided; the hopper 2 is formed by combining a novel bulletproof transparent material and steel, so that the transparency is high, the hardness is high, an operator can visually monitor the amount of the residual fertilizer in the hopper 2 according to a driver, the use of the fertilizer spreader is convenient, and the overall use effect is very perfect.

Further, a waterfall width adjusting plate 11 is arranged in the hopper 2, the waterfall width adjusting plate 11 is arranged on the track in a sliding mode, and a plurality of clamping pieces are arranged on the track.

In the invention, a user can adjust the positions of the waterfall width adjusting plates 11 through the clamping pieces, the two adjusting plates are respectively arranged at two ends of the hopper 2, and the user can adjust the width of the waterfall type fertilizer spreading of the hopper 2 through the waterfall width adjusting plates 11, so that the fertilizer spreading width is consistent with the field size and the user requirements, and the practicability and the application range of the invention are increased.

Further, hopper 2 is high rigidity transparent hopper, still includes the articulated lid 12 that sets up in hopper 2 top, and hopper 2 loops through automatic telescopic link 13 and arc connecting piece 14 to be connected with lid 12, is provided with the buckle on the lid 12.

According to the invention, the cover body 12 is arranged above the hopper 2, the hopper 2 is connected with the cover body 12 sequentially through the automatic telescopic rod 13 and the arc-shaped connecting piece 14, when the cover body 12 is opened, the automatic telescopic rod 13 automatically extends to push the connecting piece to rotate, and when the automatic telescopic rod 13 extends to the longest, the cover body 12 is in an opened state, so that a user can conveniently operate the hopper 2; when the cover body 12 needs to be closed, the cover body 12 is closed, the automatic telescopic rod 13 contracts to drive the arc-shaped connecting piece 14 to rotate, the cover body 12 is closed, after the cover body 12 is closed, the automatic telescopic rod 13 faces downwards to the force direction of the cover body 12, upward force does not exist, therefore, the cover body 12 cannot be opened by itself and the stability is very high, the connection strength of the cover body 12 and the rack 1 is increased, the sealing performance of the hopper 2 is ensured, and fertilizer loss caused by wind, rain and other reasons is avoided.

Further, still include through quantitative hole horizontal insert to the quantitative baffle 16 in the hopper 2, be provided with the scale mark on the hopper 2, quantitative hole is a plurality of, is provided with stopple or quantitative baffle 16 on the quantitative hole.

According to the invention, a user can also quantitatively control the fertilizer spreading through the quantitative partition plate 16, so that when the user needs to apply a certain amount of fertilizer in a field with a certain area, the quantitative partition plate 16 can be inserted into the quantitative hole at a proper position, the fertilizer in the hopper 2 is divided into two parts, the fertilizer below the metering plate can be spread into the sky through the spreading roller 4, the fertilizer above the metering plate cannot slide down, the quantitative fertilizer spreading is realized, and the fertilizer spreading accuracy is further improved.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a smart volume fertilizer distributor of automatically controlled waterfall formula which characterized in that: the fertilizer spreading machine comprises a rack (1) provided with a hopper (2), wherein a material spreading roller (4) connected with a motor (3) is arranged at an outlet of the hopper (2), a fertilizer brushing device (5) is arranged on one side of the material spreading roller (4), an anti-backflow device (6) is arranged on the other side of the material spreading roller, the fertilizer brushing device (5) is tangent to the material spreading roller (4), the anti-backflow device (6) is perpendicular to the material spreading roller (4), the fertilizer brushing device (5) comprises a connecting seat (51) and brush fertilizer bristles (52) arranged on the connecting seat (51), and the connecting seat (51) is detachably arranged at the outlet of the hopper (2);

the anti-backflow device (6) is a brush strip or a brush roll, the brush strip and the brush roll both comprise plastic bristles and steel bristles, the steel bristles are clamped between the plastic bristles, the material scattering roll (4) comprises a roll core and a nylon dental roll (42) coated outside the roll core, the nylon dental roll (42) is uniformly and downwards sunken on the circumference to form a plurality of arc-shaped troughs (43), and trough walls (44) are arranged between the troughs (43);

the thickness of the plastic bristles is the same as that of the end part of the groove wall (44), the plastic bristles are in contact with the end part of the groove wall (44), the brush bristles (52) extend into the material groove (43), the nylon tooth roller (42) comprises a plurality of groove sections (421) which are sequentially arranged, at least half of the groove sections (421) are arranged on the roller core in an angle-adjustable mode, a pawl (82) is arranged at the output end of the motor (3), the pawl (82) is clamped in a tooth groove of a driving wheel (7), the driving wheel (7) is connected with a driven wheel I (9) through a chain, the driven wheel I (9) is connected with the material scattering roller (4), the plastic bristle brushing machine further comprises a speed sensor (17) arranged on the machine frame (1), the speed sensor (17) and the motor (3) are both connected with a controller (6), and a stirring shaft (18) arranged above the material scattering roller (4), the stirring shaft (18) is provided with stirring blades, the stirring shaft (18) is connected with a driven wheel II (20), the driven wheel II (20) is also connected with the driving wheel (7) through a chain, the hopper (2) is a high-hardness transparent hopper, a waterfall width adjusting plate (11) is arranged in the hopper (2), the waterfall width adjusting plate (11) is arranged on a track in a sliding manner, a plurality of clamping pieces are arranged on the track, the stirring shaft further comprises a cover body (12) which is hinged to the upper portion of the hopper (2), the hopper (2) is connected with the cover body (12) through an automatic telescopic rod (13) and an arc-shaped connecting piece (14) in a sequential manner, a buckle is arranged on the cover body (12), the circle center of the arc-shaped connecting piece (14) is positioned on one side away from the telescopic rod (13), the telescopic rod is arranged in the hopper (2), and the stirring shaft further comprises a quantitative partition plate (16) which is, the hopper (2) is provided with scale marks, the quantitative holes are a plurality of, and the quantitative holes are provided with hole plugs or quantitative partition plates (16).