CN210906474U - Superfine powder dispersion grinding device - Google Patents
Superfine powder dispersion grinding device Download PDFInfo
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- CN210906474U CN210906474U CN201920497567.2U CN201920497567U CN210906474U CN 210906474 U CN210906474 U CN 210906474U CN 201920497567 U CN201920497567 U CN 201920497567U CN 210906474 U CN210906474 U CN 210906474U
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Abstract
The utility model provides an ultrafine powder dispersion grinding device, which solves the problem of low precision of the existing grinding through the twice grinding of a first grinding area and a second grinding area; the three grinding discs move downwards while rotating by utilizing a planetary gear train consisting of a first gear, a second gear and a third gear and an electric push rod, and the grinding discs are matched with the grinding sheet to finish the first full grinding of the grinding raw materials; the grinding piece is utilized for secondary grinding, and meanwhile, the scattering column plays a role in dispersing grinding raw materials, so that insufficient grinding caused by the fact that the grinding raw materials are bonded together is avoided; the heat on the partition plate and the grinding disc is taken away through the heat dissipation plate and the cooling block, so that the cooling and heat dissipation effects are achieved, the temperature of the grinding raw materials is reduced, and the problem that the grinding raw materials are bonded due to overhigh grinding temperature caused by poor heat dissipation is solved; accomplish the raw materials transmission in first grinding district, second grinding district through separator, the effect of accomplishing grinding, cooling is accomplished in the cooperation simultaneously, compact structure is novel.
Description
Technical Field
The utility model relates to a silicon rubber production facility technical field, concretely relates to superfine powder dispersion grinding device.
Background
Silicone rubber is one of the largest products in silicone products with the largest yield and the most extensive application. The vulcanized silicone rubber has the characteristics of excellent high and low temperature resistance, weather resistance, hydrophobicity, electrical insulation, physiological inertia and the like, and is widely applied to national defense and military industry, medical treatment and health, industrial and agricultural production and daily life of people.
In the production process of the silicone rubber, grinding of raw materials of the silicone rubber is a very important process, and whether the ground materials meet production requirements is a crucial part in the production quality of the silicone rubber. The grinder is a device for grinding silicon rubber raw materials, and the grinder is a grinding device for grinding, dispersing and crushing solid particles, colloids and other materials, which is common in the machining industry, but the existing grinder has the following problems: firstly, the grinding precision and the processing quality are unstable; secondly, the poor heat dissipation leads to the grinding temperature being too high, thus causing the bonding of the grinding raw materials.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the prior art, the utility model provides an ultrafine powder dispersion grinding device has good heat dissipation, grinds the characteristics that the precision is high.
The utility model provides a technical scheme of above-mentioned problem does: a superfine powder dispersion grinding device comprises a cylinder, a support pillar, a main grinding device, an auxiliary grinding device and a separation device;
a separating device is arranged in the cylinder body, the separating device divides the grinding circular hole into a first grinding area and a second grinding area, and the first grinding area is positioned above the second grinding area;
the upper part of the barrel is provided with a feed inlet, the feed inlet is positioned at the left side and the right side of the barrel, and the feed inlet is communicated with the first grinding area; a discharge hole is formed in the bottom of the cylinder body and communicated with the second grinding area;
the main grinding device is positioned in the first grinding area and comprises a first motor, an electric push rod, a mounting frame, a support frame, a first gear, a second gear, a third gear, a transmission shaft, a main shaft, a stirring rod and a grinding disc;
the first motor is fixed on the support frame, the support frame is fixed on the upper end surface of the cylinder, a first motor shaft is connected with the main shaft, the main shaft is rotatably connected with the cylinder, and a first gear is arranged on the main shaft; the first gear is positioned in the second gear, the second gear is fixed in the cylinder body, and the central axes of the first gear and the second gear are superposed; three third gears are arranged between the first gear and the second gear, the third gears are annularly arrayed around the central axis of the main shaft, the third gears are simultaneously meshed with the first gear and the second gear, the first gear and the third gear are both external gears, and the second gear is an internal gear; the third gear is rotatably connected with the transmission shaft, and the transmission shaft is fixed on the mounting frame;
the mounting frame is connected with the main shaft in a sliding manner; the mounting frame comprises mounting rings and mounting rods, the three mounting rods are annularly arrayed around the central axis of the mounting rings, one ends of the mounting rods are connected with the mounting rings, and the other ends of the mounting rods are connected with the transmission shaft;
an auxiliary plate is connected to the outer cylindrical surface of the mounting ring, a push rod of an electric push rod is rotatably connected with the upper end surface of the auxiliary plate, and the electric push rod is fixed on the support frame;
the lower end face of each third gear is connected with a stirring rod, the lower end face of each stirring rod is connected with a grinding disc, and the lower end face of each grinding disc is an inclined plane;
the separating device comprises a partition plate and a heat dissipation plate, wherein the partition plate is in a conical structure and is fixed in the cylinder body, 6 material conveying grooves are formed in the partition plate, the material conveying grooves surround the central axis of the partition plate in an annular array, and a filter screen is arranged in each material conveying groove; the upper end face of the clapboard is connected with a grinding sheet.
Furthermore, the heat dissipation plate is positioned below the partition plate, and the upper end face of the heat dissipation plate is abutted to the lower end face of the partition plate; the heat dissipation plate is provided with 6 matching grooves which are annularly arrayed around the central axis of the heat dissipation plate; the matching groove and the material conveying groove are completely the same in shape and size;
the heat dissipation plate is fixed on the driving shaft, and the lower end of the driving shaft is connected with the second motor shaft; the second motor is positioned in the protective cover, and the protective cover is fixed in the cylinder; the heat dissipation plate is of a hollow structure, and is provided with a pipe orifice which is communicated with the heat dissipation plate; the heat dissipation plate is filled with cooling liquid.
Furthermore, the auxiliary grinding device is positioned in the second grinding area and comprises a third motor and a grinding part, and the third motor is fixed on the lower end face of the cylinder;
the grinding piece comprises a lantern ring and a grinding plate, the lantern ring is fixed on the third motor shaft, the grinding plate is arranged on the lantern ring, the grinding plate is bilaterally symmetrical relative to the lantern ring, and the grinding plate is of a fan-shaped structure; the lower end face of the cylinder body is connected with a grinding sheet, and the grinding plate is matched with the grinding sheet to grind the grinding raw materials for the second time; the upper end face of the grinding plate is connected with a scattering column which is positioned at one end of the grinding plate far away from the lantern ring.
Furthermore, the upper end face of the grinding plate is provided with a cooling block, the cooling block is in threaded connection with the grinding plate, the cooling block is of a fan-shaped hollow structure, and the cooling block is filled with cooling liquid.
Further, the cooling liquid is cold water.
Furthermore, a sliding groove is arranged on the inner cylindrical surface of the installation ring, a sliding column matched with the sliding groove is arranged on the main shaft, and the sliding column is inserted into the sliding groove.
Furthermore, the included angle between the grinding disc and the horizontal plane is A; the included angle between the partition board and the horizontal plane is B, and A is B.
The utility model discloses beneficial effect has: the utility model solves the problem of low precision of the prior grinding by twice grinding in the first grinding area and the second grinding area; the three grinding discs move downwards while rotating by utilizing a planetary gear train consisting of a first gear, a second gear and a third gear and an electric push rod, and the grinding discs are matched with the grinding sheet to finish the first full grinding of the grinding raw materials; the grinding piece is utilized for secondary grinding, and meanwhile, the scattering column plays a role in dispersing grinding raw materials, so that insufficient grinding caused by the fact that the grinding raw materials are bonded together is avoided, and the grinding precision is further improved; the heat on the partition plate and the grinding disc is taken away through the heat dissipation plate and the cooling block, so that the cooling and heat dissipation effects are achieved, the temperature of the grinding raw materials is reduced, and the problem that the grinding raw materials are bonded due to overhigh grinding temperature caused by poor heat dissipation is solved; accomplish the raw materials transmission in first grinding district, second grinding district through separator, the effect of accomplishing grinding, cooling is accomplished in the cooperation simultaneously, compact structure, modern design.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a meshing view of the first gear, the second gear and the third gear of the present invention.
Fig. 3 is a schematic view of the structure of the mounting rack of the present invention.
Fig. 4 is a schematic view of the structure of the partition board of the present invention.
Fig. 5 is a schematic diagram of the structure of the heat dissipation plate of the present invention.
Fig. 6 is a sectional view of the heat dissipating plate of the present invention.
Fig. 7 is a schematic view of the structure of the polishing member of the present invention.
Fig. 8 is a schematic diagram of a second motor control according to the present invention.
In the figure: 1-cylinder, 2-support column, 3-separation device, 4-main grinding device, 5-auxiliary grinding device, 6-first grinding zone, 7-second grinding zone, 8-feed inlet, 9-discharge outlet, 301-baffle, 302-material conveying tank, 303-filter screen, 304-heat-radiating plate, 305-matching tank, 306-driving shaft, 307-second motor, 308-stepping motor driver, 309-controller, 311-nozzle, 401-first motor, 402-support frame, 403-main shaft, 404-first gear, 405-second gear, 406-third gear, 407-transmission shaft, 408-mounting frame, 409-mounting ring, 410-mounting rod, 411-sliding chute, 412-sliding column, 413-auxiliary plate, 414-stirring rod, 415-grinding disc, 416-electric push rod, 501-third motor, 502-grinding piece, 503-lantern ring, 504-grinding plate, 505-scattering column, 506-cooling block.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
A superfine powder dispersion grinding device comprises a cylinder 1, a support column 2, a main grinding device 4, an auxiliary grinding device 5 and a separation device 3;
the lower end of the cylinder body 1 is connected with a plurality of support columns 2, and the support columns 2 are arranged in an annular array around the central axis of the cylinder body 1;
a separating device 3 is arranged in the cylinder 1, the separating device 3 divides the grinding circular hole into a first grinding area 6 and a second grinding area 7, and the first grinding area 6 is positioned above the second grinding area 7;
the upper part of the barrel body 1 is provided with a feed inlet 8, the feed inlet 8 is positioned at the left side and the right side of the barrel body 1, and the feed inlet 8 is communicated with the first grinding area 6; a discharge port 9 is formed in the bottom of the cylinder 1, and the discharge port 9 is communicated with the second grinding area 7;
the main grinding device 4 is located in the first grinding area 6, and the main grinding device 4 comprises a first motor 401, an electric push rod 416, a mounting frame 408, a support frame 402, a first gear 404, a second gear 405, a third gear 406, a transmission shaft 407, a main shaft 403, a stirring rod 414 and a grinding disc 415;
the first motor 401 is fixed on a support frame 402, the support frame 402 is fixed on the upper end surface of the cylinder 1, the shaft of the first motor 401 is connected with a main shaft 403, the main shaft 403 is rotatably connected with the cylinder 1 through a rolling bearing, and a first gear 404 is arranged on the main shaft 403; the first gear 404 is positioned in the second gear 405, the second gear 405 is fixed in the cylinder 1, and the central axes of the first gear 404 and the second gear 405 are overlapped; three third gears 406 are arranged between the first gear 404 and the second gear 405, the third gears 406 are in an annular array around the central axis of the main shaft 403, the third gears 406 are simultaneously meshed with the first gear 404 and the second gear 405, the first gear 404 and the third gear 406 are both external gears, and the second gear 405 is an internal gear; the third gear 406 is rotatably connected with a transmission shaft 407 through a shaft sleeve, and the transmission shaft 407 is fixed on the mounting frame 408;
the mounting frame 408 is slidably connected with the main shaft 403; the mounting frame 408 comprises a mounting ring 409 and mounting rods 410, the three mounting rods 410 are annularly arrayed around the central axis of the mounting ring 409, one end of each mounting rod 410 is connected with the mounting ring 409, and the other end of each mounting rod 410 is connected with the transmission shaft 407;
the inner cylindrical surface of the mounting ring 409 is provided with a sliding groove 411, the main shaft 403 is provided with a sliding column 412 matched with the sliding groove 411, and the sliding column 412 is inserted into the sliding groove 411, so that the rotating power is transmitted to the mounting ring 409, and meanwhile, the mounting ring 409 can slide on the main shaft 403, and the height change is realized;
an auxiliary plate 413 is connected to the outer cylindrical surface of the mounting ring 409, a push rod of an electric push rod 416 is rotatably connected with the upper end surface of the auxiliary plate 413, the electric push rod 416 is fixed on the support frame 402, and the electric push rod 416 provides downward movement power for the mounting frame 408; the electric push rod 416 is a purchased part, the electric push rod 416 is purchased from Wuxi Shenli electric push rod 416 Co., Ltd, the model is TDT, and the synchronous motion of the two electric push rods 416 can be ensured;
the lower end face of each third gear 406 is connected with a stirring rod 414, the lower end face of the stirring rod 414 is connected with a grinding disc 415, and the lower end face of the grinding disc 415 is an inclined plane; the angle between the grinding disc 415 and the horizontal plane is A;
the separating device 3 comprises a partition plate 301 and a heat dissipation plate 304, the partition plate 301 is in a conical structure, an included angle between the partition plate 301 and the horizontal plane is B, A is B, the partition plate 301 is fixed in the cylinder body 1, 6 material conveying grooves 302 are arranged on the partition plate 301, the material conveying grooves 302 are annularly arrayed around the central axis of the partition plate 301, and a filter screen 303 is arranged in each material conveying groove 302; the upper end face of the clapboard 301 is connected with a grinding sheet;
starting a first motor 401, forming a planetary gear train among a first gear 404, a second gear 405 and a third gear 406, revolving around the central axis of the second gear 405 while the third gear 406 rotates, starting electric cylinders, synchronously moving the two electric cylinders, pushing the mounting frame 408 to move downwards by the electric cylinders, and moving the grinding disc 415 downwards to enable the grinding disc 415 and the grinding sheet to be matched with each other, so that the grinding raw materials are fully ground;
the heat dissipation plate 304 is positioned below the partition plate 301, and the upper end face of the heat dissipation plate 304 abuts against the lower end face of the partition plate 301; the heat dissipation plate 304 is provided with 6 fitting grooves 305, and the fitting grooves 305 are annularly arrayed around the central axis of the heat dissipation plate 304; the matching groove 305 and the material conveying groove 302 have the same shape and size; when the raw material is ground in the first grinding zone 6, the matching groove 305 is positioned between two adjacent conveying grooves 302, and the included angle between the matching groove 305 and the adjacent conveying grooves 302 is 30 degrees;
the heat dissipation plate 304 is fixed on a driving shaft 306, and the lower end of the driving shaft 306 is connected with a second motor 307 shaft; the second motor 307 is positioned in a protective cover which is fixed in the cylinder 1; the second motor 307 is a stepping motor, the second motor 307 is electrically connected with a stepping motor driver 308, the stepping motor driver 308 is electrically connected with a controller 309, and the controller 309 is used for controlling the second motor 307 to rotate 30 degrees at each time; the second motor 307, the stepping motor driver 308 and the controller 309 are outsourced parts and purchased from Beijing times super group electrical appliance science and technology Co., Ltd, the model of the first motor 401 is 57HBP76AL4-TK0, the model of the stepping motor driver 308 is ZD-2HD330, and the model of the controller 309 is CS 10-1S;
the heat dissipation plate 304 is of a hollow structure, a pipe orifice 311 is arranged on the heat dissipation plate 304, and the pipe orifice 311 is communicated with the heat dissipation plate 304; the cooling plate 304 is filled with cooling liquid, the cooling liquid is cold water, heat on the partition plate 301 and the grinding roller is taken away through the cooling liquid, a cooling and heat dissipation effect is achieved, the temperature of the grinding raw materials is reduced, and the grinding raw materials are prevented from being bonded;
the second grinding chamber is provided with an auxiliary grinding device 5, the auxiliary grinding device 5 comprises a third motor 501 and a grinding piece 502, and the third motor 501 is fixed on the lower end face of the cylinder 1;
the grinding member 502 comprises a sleeve ring 503 and a grinding plate 504, the sleeve ring 503 is fixed on the shaft of the third motor 501, the grinding plate 504 is arranged on the sleeve ring 503, the grinding plate 504 is symmetrical left and right with respect to the sleeve ring 503, and the grinding plate 504 is of a fan-shaped structure; the lower end face of the cylinder 1 is connected with a grinding sheet, and the grinding plate 504 is matched with the grinding sheet to grind the grinding raw materials for the second time; the upper end face of the grinding plate 504 is connected with a scattering column 505, the scattering column 505 is positioned at one end of the grinding plate 504 far away from the lantern ring 503, and the scattering column 505 plays a role in scattering grinding raw materials, so that insufficient grinding caused by the fact that the grinding raw materials are bonded together is avoided;
the upper end surface of the grinding plate 504 is provided with a cooling block 506, the cooling block 506 is in threaded connection with the grinding plate 504, the cooling block 506 is of a fan-shaped hollow structure, cooling liquid is filled in the cooling block 506, the cooling liquid is cold water, and the cooling block 506 rotates along with the grinding plate 504 to play a role in cooling and radiating, so that the temperature of grinding raw materials is reduced, and the grinding raw materials are prevented from being bonded;
the use process comprises the following steps: raw materials enter a first grinding area 6 from a feeding hole 8, the raw materials are stacked on a partition plate 301, an electric push rod 416 and a first motor 401 are started, the electric push rod 416 pushes a mounting frame 408 to move downwards, and a grinding disc 415 moves downwards, so that the grinding disc 415 and a grinding sheet are matched with each other, and the first full grinding of the ground raw materials is completed;
then the first motor 401 is closed, the second motor 307 is started, the second motor 307 drives the heat dissipation plate 304 to rotate for 30 degrees, the matching groove 305 and the material conveying groove 302 are overlapped, the raw materials enter the second grinding area 7, the grinding piece 502 is ground for the second time, and meanwhile the function of dispersing and grinding the raw materials is achieved, so that the situation that the grinding raw materials are bonded together to cause insufficient grinding is avoided.
Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.
Claims (7)
1. A superfine powder dispersion grinding device is characterized by comprising a cylinder, a support pillar, a main grinding device, an auxiliary grinding device and a separating device;
a separating device is arranged in the cylinder body, the separating device divides the grinding circular hole into a first grinding area and a second grinding area, and the first grinding area is positioned above the second grinding area;
the upper part of the barrel is provided with a feed inlet, the feed inlet is positioned at the left side and the right side of the barrel, and the feed inlet is communicated with the first grinding area; a discharge hole is formed in the bottom of the cylinder body and communicated with the second grinding area;
the main grinding device is positioned in the first grinding area and comprises a first motor, an electric push rod, a mounting frame, a support frame, a first gear, a second gear, a third gear, a transmission shaft, a main shaft, a stirring rod and a grinding disc;
the first motor is fixed on the support frame, the support frame is fixed on the upper end surface of the cylinder, a first motor shaft is connected with the main shaft, the main shaft is rotatably connected with the cylinder, and a first gear is arranged on the main shaft; the first gear is positioned in the second gear, the second gear is fixed in the cylinder body, and the central axes of the first gear and the second gear are superposed; three third gears are arranged between the first gear and the second gear, the third gears are annularly arrayed around the central axis of the main shaft, the third gears are simultaneously meshed with the first gear and the second gear, the first gear and the third gear are both external gears, and the second gear is an internal gear; the third gear is rotatably connected with the transmission shaft, and the transmission shaft is fixed on the mounting frame;
the mounting frame is connected with the main shaft in a sliding manner; the mounting frame comprises mounting rings and mounting rods, the three mounting rods are annularly arrayed around the central axis of the mounting rings, one ends of the mounting rods are connected with the mounting rings, and the other ends of the mounting rods are connected with the transmission shaft;
an auxiliary plate is connected to the outer cylindrical surface of the mounting ring, a push rod of an electric push rod is rotatably connected with the upper end surface of the auxiliary plate, and the electric push rod is fixed on the support frame;
the lower end face of each third gear is connected with a stirring rod, the lower end face of each stirring rod is connected with a grinding disc, and the lower end face of each grinding disc is an inclined plane;
the separating device comprises a partition plate and a heat dissipation plate, wherein the partition plate is in a conical structure and is fixed in the cylinder body, 6 material conveying grooves are formed in the partition plate, the material conveying grooves surround the central axis of the partition plate in an annular array, and a filter screen is arranged in each material conveying groove; the upper end face of the clapboard is connected with a grinding sheet.
2. The apparatus of claim 1, wherein the inner cylindrical surface of the mounting ring has a sliding groove, the main shaft has a sliding post engaged with the sliding groove, and the sliding post is inserted into the sliding groove.
3. The apparatus of claim 1, wherein the heat sink is disposed under the partition plate, and an upper end surface of the heat sink abuts against a lower end surface of the partition plate; the heat dissipation plate is provided with 6 matching grooves which are annularly arrayed around the central axis of the heat dissipation plate; the matching groove and the material conveying groove are completely the same in shape and size;
the heat dissipation plate is fixed on the driving shaft, and the lower end of the driving shaft is connected with the second motor shaft; the second motor is positioned in the protective cover, and the protective cover is fixed in the cylinder; the heat dissipation plate is of a hollow structure, and is provided with a pipe orifice which is communicated with the heat dissipation plate; the heat dissipation plate is filled with cooling liquid.
4. The apparatus for pulverizing and dispersing ultrafine powders according to claim 2, wherein the secondary grinding means is located in the second grinding zone and comprises a third motor and a grinding member, the third motor is fixed to the lower end face of the barrel;
the grinding piece comprises a lantern ring and a grinding plate, the lantern ring is fixed on the third motor shaft, the grinding plate is arranged on the lantern ring, the grinding plate is bilaterally symmetrical relative to the lantern ring, and the grinding plate is of a fan-shaped structure; the lower end face of the cylinder body is connected with a grinding sheet, and the grinding plate is matched with the grinding sheet to grind the grinding raw materials for the second time; the upper end face of the grinding plate is connected with a scattering column which is positioned at one end of the grinding plate far away from the lantern ring.
5. The apparatus of claim 4, wherein the upper surface of the polishing plate is provided with a cooling block, the cooling block is in threaded connection with the polishing plate, the cooling block has a fan-shaped hollow structure, and the cooling block is filled with a cooling liquid.
6. The apparatus of any one of claims 1 to 5, wherein the angle between the grinding plate and the horizontal plane is A; the included angle between the partition board and the horizontal plane is B, and A is B.
7. The ultrafine powder dispersion grinding apparatus according to claim 3 or 5, wherein the cooling liquid is cold water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920497567.2U CN210906474U (en) | 2019-04-13 | 2019-04-13 | Superfine powder dispersion grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920497567.2U CN210906474U (en) | 2019-04-13 | 2019-04-13 | Superfine powder dispersion grinding device |
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| Publication Number | Publication Date |
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| CN210906474U true CN210906474U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920497567.2U Expired - Fee Related CN210906474U (en) | 2019-04-13 | 2019-04-13 | Superfine powder dispersion grinding device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112871267A (en) * | 2021-01-27 | 2021-06-01 | 杭一林 | Equipment and method for preparing acetyl tri-n-butyl citrate |
| CN114669382A (en) * | 2022-05-31 | 2022-06-28 | 唐山职业技术学院 | Dry animal husbandry is bred and is smashed grinding device with fodder that can disinfect |
| CN118002287A (en) * | 2024-04-09 | 2024-05-10 | 黑龙江省农业科学院畜牧兽医分院 | Grinding device for processing cow feed |
-
2019
- 2019-04-13 CN CN201920497567.2U patent/CN210906474U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112871267A (en) * | 2021-01-27 | 2021-06-01 | 杭一林 | Equipment and method for preparing acetyl tri-n-butyl citrate |
| CN114669382A (en) * | 2022-05-31 | 2022-06-28 | 唐山职业技术学院 | Dry animal husbandry is bred and is smashed grinding device with fodder that can disinfect |
| CN114669382B (en) * | 2022-05-31 | 2022-08-02 | 唐山职业技术学院 | Dry animal husbandry is bred and is smashed grinding device with fodder that can disinfect |
| CN118002287A (en) * | 2024-04-09 | 2024-05-10 | 黑龙江省农业科学院畜牧兽医分院 | Grinding device for processing cow feed |
| CN118002287B (en) * | 2024-04-09 | 2024-06-04 | 黑龙江省农业科学院畜牧兽医分院 | Grinding device for processing cow feed |
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