CN219679548U - Automatic feeding device for maggot breeding - Google Patents

Automatic feeding device for maggot breeding Download PDF

Info

Publication number
CN219679548U
CN219679548U CN202320144518.7U CN202320144518U CN219679548U CN 219679548 U CN219679548 U CN 219679548U CN 202320144518 U CN202320144518 U CN 202320144518U CN 219679548 U CN219679548 U CN 219679548U
Authority
CN
China
Prior art keywords
mixing box
plate
discharging pipe
push rod
electric push
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202320144518.7U
Other languages
Chinese (zh)
Inventor
陈斌
王明斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Normal University
Original Assignee
Chongqing Normal University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Normal University filed Critical Chongqing Normal University
Priority to CN202320144518.7U priority Critical patent/CN219679548U/en
Application granted granted Critical
Publication of CN219679548U publication Critical patent/CN219679548U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)

Abstract

The utility model discloses an automatic feeding device for maggot cultivation, which relates to the technical field of maggot cultivation and comprises a mixing box and a feeding unit; the lower surface of the mixing box is provided with a lifting unit, the mixing box is provided with a lifting unit and a control switch group, the lifting unit is connected with a cover plate, the cover plate is positioned right above the mixing box, the cover plate is provided with a mixing unit and a feeding pipe, and the input end of the control switch group is electrically connected with the output end of an external power supply; the charging unit comprises a discharging pipe, a supporting plate, a first motor, a first rotating shaft, a spiral blade, a mounting plate, a first electric push rod and a cutter, wherein the discharging pipe is arranged on the lower surface of the mixing box and is communicated with the mixing box, and a discharging hole is formed in one end of the discharging pipe. The automatic feeding device can automatically feed materials, avoid blockage of a discharge hole, ensure normal feeding, and cut materials after feeding, so that the workload of workers is reduced.

Description

Automatic feeding device for maggot breeding
Technical Field
The utility model relates to the technical field of maggot breeding, in particular to an automatic feeding device for maggot breeding.
Background
The maggot culturing technology refers to a technology set used in the maggot culturing process. The breeding of the maggots comprises two stages of breeding the maggots and breeding the maggots. Seed breeding flies are used for obtaining a large number of fly eggs for breeding fly maggots. Eggs laid by chickens raised with fly maggots are rich in various vitamins and carotenoids, and fat worm eggs in the eggs are normally not more than 3 percent, the protein content is more than 12 percent, and the eggs contain various amino acids, sodium, potassium, calcium and other minerals which are necessary for human bodies. The fermentation method comprises the following steps: 1 ton of manure, 20 kg of health-care liquid and 5 kg of corn powder, uniformly mixing the manure and the corn powder in a fermentation tank, covering a plastic film, sealing, and fermenting for 1-3 days. When carrying out the fly maggot and breed, need carry out the feeding through feeding device to the fly maggot breeds the incasement to guarantee that the fly maggot can normally grow, because the material of adding is harder, current feeding device can appear the discharge gate jam when carrying out the feeding, influences the feeding, is inconvenient for breaking the material after feeding is accomplished, has increased staff's work load, and for this reason, we propose a fly maggot breeds and uses automatic feeding device.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the automatic feeding device for the maggot cultivation, which can automatically feed, avoid blockage of a discharge hole, ensure normal feeding, break materials after feeding, reduce workload of workers and effectively solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an automatic feeding device for maggot cultivation comprises a mixing box and a feeding unit;
mixing box: the lower surface is provided with a lifting unit, the mixing box is provided with a lifting unit and a control switch group, the lifting unit is connected with a cover plate, the cover plate is positioned right above the mixing box, the cover plate is provided with a mixing unit and a feeding pipe, and the input end of the control switch group is electrically connected with the output end of an external power supply;
feeding unit: the automatic feeding device comprises a discharging pipe, a supporting plate, a motor I, a rotating shaft I, a helical blade, a mounting plate, an electric push rod I and a cutter, wherein the discharging pipe is arranged on the lower surface of the mixing box, the discharging pipe is communicated with the mixing box, one end of the discharging pipe is provided with a discharging hole, the side surface of the discharging pipe, which is far away from the discharging hole, is provided with the supporting plate, the motor I is arranged on the supporting plate, an output shaft of the motor I is connected with the discharging pipe in a rotating mode, the helical blade is arranged on the part, located in the discharging pipe, of the rotating shaft I, the helical blade is slidingly connected with the discharging pipe, the mounting plate is arranged on the side surface of the mixing box, the electric push rod I is arranged right above the discharging hole on the discharging pipe, and is connected with the cutter, and the cutter is slidingly connected with the discharging pipe, and the input end of the motor I and the electric push rod I is electrically connected with the output end of a control switch group.
The lifting unit is used for enabling the cover plate to cover the mixing box, materials are added into the mixing box through the feeding pipe, the materials are stirred and mixed through the mixing unit, the mixed materials enter the discharging pipe, the heights of the mixing box and the discharging pipe are adjusted through the lifting unit, the discharging pipe is at a feeding height, the motor is controlled to work through the control switch group, the motor is driven to rotate through the motor, the screw blade is driven to drive the materials entering the discharging pipe through the screw blade, the materials are led out through the discharging hole on the discharging pipe, after feeding is completed, the motor is controlled to stop rotating through the control switch group, the electric push rod is controlled to work, the electric push rod drives the cutter to move, the cutter cuts off the materials at the discharging hole on the discharging pipe, and accordingly feeding of other fly maggot cultivation boxes is convenient to continue.
Further, the compounding unit includes fixed plate, motor two, pivot two, connecting block and arc scraper blade, two altogether and all set up on the apron, be provided with motor two between two fixed plates, motor two's output shaft pivot two, pivot two rotate and connect the apron, and pivot two are located the part of apron below and equiangular are provided with the connecting block, the connecting block is connected with the arc scraper blade, arc scraper blade sliding connection mixing box, motor two's input electricity connect control switch group's output. The second motor is controlled to work through the control switch group, the second motor drives the second rotating shaft to rotate, the second rotating shaft drives the arc scraping plate to rotate through the connecting block, materials in the mixing box are turned and mixed through the arc scraping plate, and the materials enter the discharging pipe.
Further, the lifting unit comprises a hydraulic cylinder and a support plate, the hydraulic cylinder is arranged on the side face of the mixing box, the telescopic end of the hydraulic cylinder is connected with the support plate, the support plate is connected with the cover plate, and the input end of the hydraulic cylinder is electrically connected with the output end of the control switch group. The hydraulic cylinder is controlled to work through the control switch group, and the hydraulic cylinder drives the cover plate to move through the support plate, so that the cover plate covers or is far away from the mixing box.
Further, the lifting unit comprises a second electric push rod and a bottom plate, the second electric push rod is arranged at four corners of the lower surface of the mixing box, the bottom plate is arranged at the lower end of the second electric push rod, and the input end of the second electric push rod is electrically connected with the output end of the control switch group. The second electric push rod is controlled to work through the control switch group, and the mixing box is driven to move through the second electric push rod, so that the heights of the mixing box and the discharging pipe are adjusted, and the fly maggot breeding boxes with different heights can be fed.
Further, the mixing tank comprises an observation window and a transparent plate, wherein the observation window is arranged on the side face of the mixing tank, and the transparent plate is arranged in the observation window. The observation window and the transparent plate are convenient for the staff to observe the residual condition of the materials in the mixing box.
Further, the device also comprises a bracket and a roller, wherein the bracket is arranged on the lower surface of the bottom plate, and the roller is rotationally connected to the bracket. The roller is connected to the bottom plate through a bracket, so that the roller drives the mixing box to move.
Compared with the prior art, the utility model has the beneficial effects that:
1. the motor I drives the spiral blade to rotate through the rotating shaft, and drives the material in the discharging pipe to move out through the spiral blade, so that automatic feeding of the material is realized; the material can be prevented from blocking a discharge hole of the discharge pipe during charging, and normal charging is ensured; and the cutter is driven to move through the first electric push rod, and the cutter is used for automatically cutting off the fed materials, so that the work load of cutting off the materials by workers is reduced.
2. The second motor drives the arc scraping plate to rotate through the second rotating shaft and the connecting block, materials in the mixing box are stirred and mixed through the arc scraping plate, material mixing uniformity is guaranteed, the materials in the mixing box enter the discharging pipe, the materials on the mixing box are scraped through the arc scraping plate, the materials are prevented from being accumulated and lost in the mixing box, and waste of the materials is reduced.
3. The heights of the mixing box and the discharging pipe are adjusted through the second electric push rod, so that fly maggot cultivation boxes with different heights can be fed, the cover plate is opened through the hydraulic cylinder and the support plate, and the mixing box, the arc scraping plate, the discharging pipe and the spiral blade are cleaned conveniently.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model.
In the figure: the device comprises a mixing box 1, a feeding unit 2, a discharging pipe 21, a supporting plate 22, a motor one, a rotating shaft one, a helical blade 25, a mounting plate 26, an electric push rod one 27, a cutter 28, a mixing unit 3, a fixing plate 31, a motor two, a rotating shaft two, a connecting block 34, an arc scraping plate 35, a lifting unit 4, a hydraulic cylinder 41, a supporting plate 42, a lifting unit 5, an electric push rod two 51, a bottom plate 52, a control switch group 6, a cover plate 7, a feeding pipe 8, a viewing window 9, a transparent plate 10, a bracket 11 and a roller 12.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some 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.
Referring to fig. 1-3, the present embodiment provides a technical solution: an automatic feeding device for maggot cultivation comprises a mixing box 1 and a feeding unit 2;
mixing box 1: the lower surface is provided with a lifting unit 5, the mixing box 1 is provided with a lifting unit 4 and a control switch group 6, the lifting unit 4 is connected with a cover plate 7, the cover plate 7 is positioned right above the mixing box 1, the cover plate 7 is provided with a mixing unit 3 and a charging pipe 8, and the input end of the control switch group 6 is electrically connected with the output end of an external power supply;
charging unit 2: the automatic feeding device comprises a discharging pipe 21, a supporting plate 22, a motor I23, a rotating shaft I24, a helical blade 25, a mounting plate 26, an electric push rod I27 and a cutter 28, wherein the discharging pipe 21 is arranged on the lower surface of the mixing box 1, the discharging pipe 21 is communicated with the mixing box 1, one end of the discharging pipe 21 is provided with a discharging hole, the side surface of the discharging pipe 21 far away from the discharging hole is provided with the supporting plate 22, the supporting plate 22 is provided with the motor I23, an output shaft of the motor I23 is connected with the discharging pipe 21 in a rotating mode, the rotating shaft I24 is provided with the helical blade 25 on the part, located in the discharging pipe 21, of the rotating shaft I24 is in sliding connection with the discharging pipe 21, the mounting plate 26 is arranged on the side surface of the mixing box 1, the mounting plate 26 is provided with the electric push rod I27, the electric push rod I27 is located right above the discharging hole on the discharging pipe 21, the electric push rod I27 is connected with the cutter 28, the cutter 28 is in sliding connection with the discharging pipe 21, and the input end of the motor I23 and the electric push rod I27 is electrically connected with the output end of a control switch group 6.
The cover plate 7 is covered on the mixing box 1 through the lifting unit 4, materials are added into the mixing box 1 through the feeding pipe 8, the materials are stirred and mixed through the mixing unit 3, the mixed materials enter the discharging pipe 21, the heights of the mixing box 1 and the discharging pipe 21 are adjusted through the lifting unit 5, the discharging pipe 21 is located at the feeding height, the first motor 23 is controlled to work through the control switch group 6, the first motor 23 drives the first rotating shaft 24 to rotate, the first rotating shaft 24 drives the helical blade 25, the helical blade 25 drives the materials entering the discharging pipe 21, the materials are led out through the discharging hole in the discharging pipe 21 to be fed, after feeding is completed, the first motor 23 is controlled to stop rotating through the control switch group 6, the first electric push rod 27 is controlled to work through the control switch group 6, the first electric push rod 27 drives the cutter 28 to move, the materials at the discharging hole on the discharging pipe 21 are cut off through the cutter 28, and accordingly feeding of other fly maggot cultivation boxes is convenient to continue.
The mixing unit 3 comprises a fixing plate 31, a second motor 32, a second rotating shaft 33, a connecting block 34 and an arc scraping plate 35, wherein the two fixing plates 31 are arranged on the cover plate 7, the second motor 32 is arranged between the two fixing plates 31, an output shaft of the second motor 32 is connected with the second rotating shaft 33, the second rotating shaft 33 is rotationally connected with the cover plate 7, the connecting block 34 is arranged on the part, below the cover plate 7, of the second rotating shaft 33 at equal angles, the connecting block 34 is connected with the arc scraping plate 35, the arc scraping plate 35 is in sliding connection with the mixing box 1, and the input end of the second motor 32 is electrically connected with the output end of the control switch group 6. The second motor 32 is controlled to work through the control switch group 6, the second motor 32 drives the second rotating shaft 33 to rotate, the second rotating shaft 33 drives the arc scraping plate 35 to rotate through the connecting block 34, materials in the mixing box 1 are turned and mixed through the arc scraping plate 35, and the materials enter the discharging pipe 21.
The lifting unit 4 comprises a hydraulic cylinder 41 and a support plate 42, the hydraulic cylinder 41 is arranged on the side face of the mixing box 1, the telescopic end of the hydraulic cylinder 41 is connected with the support plate 42, the support plate 42 is connected with the cover plate 7, and the input end of the hydraulic cylinder 41 is electrically connected with the output end of the control switch group 6. The hydraulic cylinder 41 is controlled to work through the control switch group 6, and the hydraulic cylinder 41 drives the cover plate 7 to move through the support plate 42, so that the cover plate 7 covers or is far away from the mixing box 1.
The lifting unit 5 comprises a second electric push rod 51 and a bottom plate 52, the second electric push rod 51 is arranged at four corners of the lower surface of the mixing box 1, the bottom plate 52 is arranged at the lower end of the second electric push rod 51, and the input end of the second electric push rod 51 is electrically connected with the output end of the control switch group 6. The second electric push rod 51 is controlled to work through the control switch group 6, and the second electric push rod 51 drives the mixing box 1 to move, so that the heights of the mixing box 1 and the discharging pipe 21 are adjusted, and fly maggot cultivation boxes with different heights can be fed.
The mixing box comprises a mixing box 1, and is characterized by further comprising an observation window 9 and a transparent plate 10, wherein the observation window 9 is arranged on the side surface of the mixing box 1, and the transparent plate 10 is arranged in the observation window 9. The operator can observe the residual condition of the materials in the mixing box 1 conveniently through the observation window 9 and the transparent plate 10.
The device also comprises a bracket 11 and a roller 12, wherein the bracket 11 is arranged on the lower surface of the bottom plate 52, and the roller 12 is rotatably connected to the bracket 11. The roller 12 is connected to the bottom plate 52 through the bracket 11, so that the roller 12 drives the mixing box 1 to move.
The utility model provides an automatic feeding device for maggot cultivation, which has the following working principle: the mixing box 1 is moved to the side of a maggot breeding box needing to be fed through the roller 12, the hydraulic cylinder 41 is controlled to work through the control switch group 6, the hydraulic cylinder 41 drives the cover plate 7 to move through the support plate 42, the cover plate 7 is covered on the mixing box 1, materials are added into the mixing box 1 through the feeding pipe 8, the motor II 32 is controlled to work through the control switch group 6, the motor II 32 drives the rotating shaft II 33 to rotate, the rotating shaft II 33 drives the arc scraping plate 35 to rotate through the connecting block 34, the arc scraping plate 35 is used for stirring and mixing the materials in the mixing box 1, the materials enter the discharging pipe 21, the electric pushing rod II 51 is controlled to work through the control switch group 6, the mixing box 1 is driven to move through the electric pushing rod II 51, the heights of the mixing box 1 and the discharging pipe 21 are adjusted, the feeding pipe 21 is positioned at the feeding height, the motor I23 is controlled by the control switch group 6 to work, the motor I23 drives the rotating shaft I24 to rotate, the rotating shaft I24 drives the helical blade 25, the helical blade 25 drives the material entering the discharging pipe 21 and guides out the material through the discharging hole on the discharging pipe 21, after the material feeding is finished, the motor I23 is controlled by the control switch group 6 to stop rotating, the electric push rod I27 is controlled by the control switch group 6 to work, the electric push rod I27 drives the cutter 28 to move, the cutter 28 cuts off the material at the discharging hole on the discharging pipe 21, the observation window 9 and the transparent plate 10 observe the residual condition of the material in the mixing box 1, so that the material feeding is conveniently continued to other maggot cultivation boxes, after the material feeding is finished, the hydraulic cylinder 41 is controlled by the control switch group 6 to work, the hydraulic cylinder 41 drives the cover plate 7 to open through the support plate 42, thereby facilitating cleaning of the interior of the mixing box 1.
It should be noted that, in the above embodiment, the specific model of the first motor 23 and the second motor 32 is 42BYGH48, the specific model of the first electric push rod 27 is YNT-09, the specific model of the hydraulic cylinder 41 is HSGL01E100, the specific model of the second electric push rod 51 is HXD-Y40-L2-50-BC-I10B-C2-01, and the control switch group 6 is provided with a PLC controller. The control switch group 6 controls the electric push rod one 27, the motor two 32, the hydraulic cylinder 41 and the electric push rod two 51 to work by adopting a method commonly used in the prior art.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (6)

1. An automatic feeding device for maggot cultivation, which is characterized in that: comprises a mixing box (1) and a feeding unit (2);
mixing box (1): the lower surface is provided with a lifting unit (5), the mixing box (1) is provided with a lifting unit (4) and a control switch group (6), the lifting unit (4) is connected with a cover plate (7), the cover plate (7) is positioned right above the mixing box (1), the cover plate (7) is provided with a mixing unit (3) and a feeding pipe (8), and the input end of the control switch group (6) is electrically connected with the output end of an external power supply;
feeding unit (2): the automatic feeding device comprises a discharging pipe (21), a supporting plate (22), a motor I (23), a rotating shaft I (24), a helical blade (25), a mounting plate (26), an electric push rod I (27) and a cutter (28), wherein the discharging pipe (21) is arranged on the lower surface of a mixing box (1), the discharging pipe (21) is communicated with the mixing box (1), one end of the discharging pipe (21) is provided with a discharging hole, the side surface of the discharging pipe (21) away from the discharging hole is provided with the supporting plate (22), the supporting plate (22) is provided with the motor I (23), an output shaft of the motor I (23) is connected with the rotating shaft I (24), the rotating shaft I (24) is rotationally connected with the discharging pipe (21), the helical blade (25) is slidingly connected with the discharging pipe (21), the mounting plate (26) is arranged on the side surface of the mixing box (1), the mounting plate (26) is provided with the electric push rod I (27), the electric push rod I (27) is positioned right above the discharging hole on the discharging pipe (21), the electric push rod I (27) is connected with the cutter (28), the input ends of the motor I (23) and the electric push rod I (27) are electrically connected with the output end of the control switch group (6).
2. The automatic feeding device for maggot cultivation according to claim 1, wherein: mixing unit (3) are including fixed plate (31), motor two (32), pivot two (33), connecting block (34) and arc scraper blade (35), two altogether and all set up on apron (7) fixed plate (31), be provided with motor two (32) between two fixed plates (31), output shaft pivot two (33) of motor two (32), pivot two (33) rotate and connect apron (7), and pivot two (33) are located the part of apron (7) below and equiangular are provided with connecting block (34), connecting block (34) are connected with arc scraper blade (35), arc scraper blade (35) sliding connection mixing box (1), the output of control switch group (6) is connected to the input electricity of motor two (32).
3. The automatic feeding device for maggot cultivation according to claim 1, wherein: the lifting unit (4) comprises a hydraulic cylinder (41) and a support plate (42), the hydraulic cylinder (41) is arranged on the side face of the mixing box (1), the support plate (42) is connected with the telescopic end of the hydraulic cylinder (41), the support plate (42) is connected with the cover plate (7), and the input end of the hydraulic cylinder (41) is electrically connected with the output end of the control switch group (6).
4. The automatic feeding device for maggot cultivation according to claim 1, wherein: the lifting unit (5) comprises a second electric push rod (51) and a bottom plate (52), the second electric push rod (51) is arranged at four corners of the lower surface of the mixing box (1), the bottom plate (52) is arranged at the lower end of the second electric push rod (51), and the input end of the second electric push rod (51) is electrically connected with the output end of the control switch group (6).
5. The automatic feeding device for maggot cultivation according to claim 1, wherein: the novel mixing tank is characterized by further comprising an observation window (9) and a transparent plate (10), wherein the observation window (9) is arranged on the side face of the mixing tank (1), and the transparent plate (10) is arranged in the observation window (9).
6. The automatic feeding device for maggot cultivation according to claim 4, wherein: still include support (11) and gyro wheel (12), support (11) set up the lower surface at bottom plate (52), rotate on support (11) and be connected with gyro wheel (12).
CN202320144518.7U 2023-02-07 2023-02-07 Automatic feeding device for maggot breeding Active CN219679548U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320144518.7U CN219679548U (en) 2023-02-07 2023-02-07 Automatic feeding device for maggot breeding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320144518.7U CN219679548U (en) 2023-02-07 2023-02-07 Automatic feeding device for maggot breeding

Publications (1)

Publication Number Publication Date
CN219679548U true CN219679548U (en) 2023-09-15

Family

ID=87966578

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320144518.7U Active CN219679548U (en) 2023-02-07 2023-02-07 Automatic feeding device for maggot breeding

Country Status (1)

Country Link
CN (1) CN219679548U (en)

Similar Documents

Publication Publication Date Title
CN219679548U (en) Automatic feeding device for maggot breeding
CN211999507U (en) Novel organic fertilizer production system
CN214178592U (en) Breed south summer ox and use fodder feeding device
CN213662357U (en) Soil improvement device for agricultural
CN210869825U (en) Total mixed ration fodder mixing machine
CN211746129U (en) Sheep is bred and uses feeding device
CN212589561U (en) Milk cow is raised with ration device of throwing something and feeding
CN213854177U (en) Novel forage stirring for animal husbandry device
CN220926747U (en) Fodder fermentation vat
CN219839455U (en) Multifunctional cold filling device for culture medium
CN220211450U (en) Raising cattle shed feeding device
CN114452888B (en) Automatic feeding device for raising cattle and sheep and working method thereof
CN215422228U (en) Feeding device for cultivation
CN210928702U (en) Live pig is bred and uses feed processing device
CN219481723U (en) Intelligent manure treatment device for aquaculture
CN213784879U (en) Improve bait of lip gloss fish white egg volume and put in device
CN215223844U (en) Vertical mobile stirring and scattering all-in-one machine
CN217909308U (en) Livestock and poultry excrement centralized treatment and resource utilization device
CN210823358U (en) Sea salt is gathered and is used transfer device
CN215877373U (en) Automatic material mixing device convenient to it is clean
CN218924490U (en) A mix material device for tobacco stalk cultivation oyster mushroom
CN216219631U (en) Automatic feeding device for fly maggot breeding
CN220376694U (en) Multilayer temperature-control probiotic-fermented sweet potato device
CN219919964U (en) Trough for pig breeding
CN217856553U (en) A medicinal material device of milling for animal

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant