CN212263509U - Fodder reducing mechanism - Google Patents
Fodder reducing mechanism Download PDFInfo
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- CN212263509U CN212263509U CN202020779709.7U CN202020779709U CN212263509U CN 212263509 U CN212263509 U CN 212263509U CN 202020779709 U CN202020779709 U CN 202020779709U CN 212263509 U CN212263509 U CN 212263509U
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- crushing roller
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Abstract
The utility model relates to a fodder reducing mechanism, include: the barrel comprises a feed inlet and a discharge outlet; the feeding pipeline is spiral, and one end of the feeding pipeline is connected with the feeding hole; the first crushing roller and the second crushing roller are arranged inside the feeding pipeline; a first transmission unit connected to the first crushing roller and the second crushing roller, respectively; the grinding machine comprises a first motor, a third grinding roller, a second motor, a plurality of fourth grinding rollers, a second transmission unit, a plurality of third transmission units, a fixed seat, a grinding drill bit and a grinding base. The feed is crushed by three procedures of pre-crushing, crushing and grinding, so that the size distribution of the treated feed particles is uniform; the three procedures of pre-crushing, crushing and grinding are integrated in a single device, so that the floor area of equipment is reduced, and the feed treatment efficiency is improved.
Description
Technical Field
The utility model relates to a technical field is smashed to the fodder, especially relates to a fodder reducing mechanism.
Background
Before the feed is used, the feed needs to be crushed to obtain the feed with smaller particles, so that different use requirements are met.
However, the existing feed crushing device can crush the feed only once, the crushed feed particles are large, and the crushing needs to be repeated for multiple times, so that the crushing efficiency is low, and the corresponding experimental time limit is delayed.
Therefore, there is a need for a device capable of performing multiple crushing treatments on feed to improve crushing efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fodder reducing mechanism to the not enough among the prior art.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a feed reduction apparatus, comprising:
the barrel comprises a feed inlet and a discharge outlet, the feed inlet is obliquely and downwards arranged on the upper side of the barrel, and the discharge outlet is arranged at the bottom of the barrel;
the feeding pipeline is spiral, one end of the feeding pipeline is connected with the feeding hole, and the other end of the feeding pipeline is arranged upwards;
a first crushing roller disposed inside the feed conduit;
a second crushing roller disposed inside the feed pipe and on one side of the first crushing roller;
a first transmission unit connected to the first crushing roller and the second crushing roller, respectively;
the first motor is arranged outside the feeding pipeline and is connected with the first crushing roller or the second crushing roller;
a third pulverizing roller provided inside the cylindrical body;
the second motor is arranged outside the cylinder and is connected with the third crushing roller;
the fourth crushing rollers are arranged inside the cylinder body and are symmetrically arranged by taking the third crushing roller as a center;
the second transmission unit is arranged in the cylinder, connected with the third crushing roller and positioned between the second motor and the third crushing roller;
the third transmission units are arranged inside the barrel and are in one-to-one correspondence connection with the fourth crushing rollers, and the third transmission units are in transmission connection with the second transmission units respectively;
the fixing seats are arranged inside the barrel body, and the bottoms of the fourth crushing rollers are rotatably connected with the fixing seats;
a grinding bit disposed at a bottom of the third pulverizing roller;
the grinding base is arranged at the bottom of the barrel and matched with the grinding drill bit, and the discharge port is positioned at the lower part of the grinding base.
In one embodiment thereof, the first crushing roller comprises:
the first crushing cutters are regularly arranged along the axial direction of the first crushing roller;
the second crushing roller includes:
the second crushing cutters are regularly arranged along the axial direction of the second crushing roller;
and the second crushing knife is arranged between every two adjacent first crushing knives along the axial direction of the first crushing roller.
In one embodiment thereof, the third crushing roller comprises:
the third crushing cutters are regularly arranged along the axial direction of the third crushing roller;
the fourth crushing roller includes:
the fourth crushing cutters are regularly arranged along the axial direction of the fourth crushing roller;
and a fourth crushing knife is arranged between every two adjacent third crushing knives along the axial direction of the third crushing roller.
In one embodiment thereof, the third crushing roller further comprises:
the first scraping units are regularly arranged along the axial direction of the third crushing roller;
and a first scraping unit is arranged between the adjacent third crushing knife and the fourth crushing knife along the axial direction of the third crushing roller.
In one embodiment thereof, the first scraping unit comprises:
one end of the first connecting rod is connected with the third crushing roller;
the first scraping disc is rotatably connected with the other end of the first connecting rod.
In one embodiment thereof, the fourth pulverizing roller further comprises:
the second scraping units are regularly arranged along the axial direction of the fourth crushing roller;
and a second scraping unit is arranged between the adjacent third crushing knife and the fourth crushing knife along the axial direction of the fourth crushing roller.
In one embodiment thereof, the second scraping unit comprises:
one end of the second connecting rod is connected with the fourth crushing roller;
and the second scraping plate is rotatably connected with the other end of the second connecting rod.
In one embodiment thereof, the outer surface of the abrasive drill bit is provided with a first abrasive edge;
the inner surface of the grinding base is provided with a second grinding blade, and the second grinding blade is matched with the first grinding blade.
In one embodiment, the first grinding edge is helical and the second grinding edge is helical.
In one embodiment, the method further comprises:
the first material storage unit is connected with the material outlet;
the second material storage unit is connected with the first material storage unit;
and the filtering screen is arranged between the first storage unit and the second storage unit.
The utility model adopts the above technical scheme, compare with prior art, have following technological effect:
the utility model discloses a feed crushing device, which uses three procedures of pre-crushing, crushing and grinding to crush feed, so that the size distribution of the treated feed particles is uniform; the three procedures of pre-crushing, crushing and grinding are integrated in a single device, so that the floor area of equipment is reduced, and the feed treatment efficiency is improved.
Drawings
Fig. 1 is a schematic longitudinal section of an exemplary embodiment of the present invention.
Fig. 2 is a schematic longitudinal sectional view of a cartridge according to an exemplary embodiment of the present invention.
Fig. 3 is a partial cross-sectional view of a feed conduit according to an exemplary embodiment of the present invention.
Fig. 4 is a cross-sectional view of a first pulverizing roller of an exemplary embodiment of the present invention.
Fig. 5 is a schematic cross-sectional view of a cartridge of an exemplary embodiment of the invention.
Wherein the reference numerals are: the grinding device comprises a cylinder body 1, a feeding pipeline 2, a first grinding roller 3, a second grinding roller 4, a first transmission unit 5, a first motor 6, a third grinding roller 7, a second motor 8, a fourth grinding roller 9, a second transmission unit 10, a third transmission unit 11, a fixed seat 12, a grinding drill bit 13, a grinding base 14, a first storage unit 15, a second discharging unit 16, a filtering screen 17, a feeding hole 18, a discharging hole 19, a first grinding cutter 20, a second grinding cutter 21, a third grinding cutter 22, a fourth grinding cutter 23, a first scraping unit 24, a second scraping unit 25, a first connecting rod 26, a first scraping disc 27, a second connecting rod 28, a second scraping disc 29, a first grinding blade 30 and a second grinding blade 31.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
The utility model discloses an exemplary embodiment, as shown in FIG. 1, a fodder reducing mechanism, including barrel 1, charge-in pipeline 2, first storage unit 15 and second storage unit 16, wherein, charge-in pipeline 2, barrel 1, first storage unit 15, second storage unit 16 connect in order.
As shown in fig. 2, the barrel 1 includes a feed inlet 18 and a discharge outlet 19, the feed inlet 18 is disposed at the upper portion of the barrel 1, and the discharge outlet 19 is disposed at the bottom of the barrel 1.
The feed pipe 2 is spiral, one end of the feed pipe is connected with the feed inlet 18 of the barrel body 1, and the other end of the feed pipe is arranged upwards and used for feeding feed into the barrel body 1 through the feed inlet 18.
By using the spiral feeding pipeline 2, the feed has a certain angular velocity, namely a certain centripetal force, in the process of moving towards the barrel 1, so that the feed is conveniently dispersed in the barrel 1 to obtain a better crushing effect.
As shown in fig. 1 and 3 to 4, the first mill roller 3 and the second mill roller 4 are provided inside the feed duct 2, and the axial direction of the first mill roller 3 and the axial direction of the second mill roller 4 are provided parallel to a horizontal plane. The rotating shaft of the first crushing roller 3 is in transmission connection with the rotating shaft of the second crushing roller 4 through a first transmission unit 5. A first motor 6 is arranged outside the feeding pipe 2, and the first motor 6 is connected with the rotating shaft of the first crushing roller 3 or the rotating shaft of the second crushing roller 4 and is used for driving the first crushing roller 3 or the second crushing roller 4 to rotate.
In the present embodiment, the first motor 6 is connected to the first mill roller 3 as an example. The first motor 6 drives the first mill roller 3 to rotate clockwise (or counterclockwise), and the second mill roller 4 rotates along with the rotation of the first mill roller 3 by the first transmission unit 5. The feed entering the feed duct 2 is pre-crushed by the dual action of the first and second crushing rollers 3, 4.
Wherein the first transmission unit 5 may be a transmission belt. Therefore, the rotation direction of the second pulverizing roller 4 may be the same as or different from the rotation direction of the first pulverizing roller 3. Generally, the rotation direction of the second pulverizing roller 4 is different from the rotation direction of the first pulverizing roller 3.
The first crushing roller 3 includes a plurality of first crushing blades 20, and the plurality of first crushing blades 20 are regularly arranged in the axial direction of the first crushing roller 3. Specifically, a plurality of first crushing blade layers are provided along the axial direction of the first crushing roller 3, and each first crushing blade layer includes at least two first crushing blades 20. Viewed in the axial direction of the first crushing roller 3, two adjacent first crushing blade layers may overlap, that is, only the uppermost first crushing blade layer can be viewed; two adjacent first crushing blade layers may not overlap, that is, at least the uppermost first crushing blade layer and the first crushing blade layer positioned at the next layer to the uppermost layer can be observed.
The second crushing roller 4 includes a plurality of second crushing blades 21, and the plurality of second crushing blades 21 are regularly arranged in the axial direction of the second crushing roller 4. Specifically, a plurality of second crushing blade layers each including at least two second crushing blades 21 are provided in the axial direction of the second crushing roller 4. As viewed in the axial direction of the second crushing roller 4, two adjacent second crushing blade layers may overlap, that is, only the uppermost second crushing blade layer can be viewed; two adjacent second crushing blade layers may not overlap, that is, at least the uppermost second crushing blade layer and the second crushing blade layer positioned at the next layer to the uppermost layer can be observed.
As shown in fig. 1, the cylinder 1 is provided with a third crushing roller 7, a second motor 8, a plurality of fourth crushing rollers 9, a second transmission unit 10, a plurality of third transmission units 11, a fixed seat 12, a grinding bit 13 and a grinding base 14.
As shown in fig. 2 and 5, the third mill roller 7 is provided inside the cylindrical body 1, and its axial direction is perpendicular to the horizontal plane. The third crushing roller 7 includes third crushing blades 22, and the third crushing blades 22 are regularly arranged in the axial direction of the third crushing roller 7. Specifically, a plurality of third crushing blade layers are provided along the axial direction of the third crushing roller 7, and each third crushing blade layer includes at least two third crushing blades 22. As viewed in the axial direction of the third crushing roller 7, two adjacent third crushing blade layers may overlap, that is, only the uppermost third crushing blade layer can be viewed; two adjacent third crushing blade layers may not overlap, that is, at least the uppermost third crushing blade layer and the third crushing blade layer positioned at the next layer to the uppermost layer can be observed.
The third crushing roller 7 further comprises a first scraping unit 24, the first scraping unit 24 being regularly arranged in the axial direction of the third crushing roller 7. In particular, several first scraping layers are arranged in the axial direction of the third crushing roller 7, each first scraping layer comprising at least two first scraping units 24. Viewed in the axial direction of the third crushing roller 7, two adjacent first scraped layers may overlap, i.e. only the uppermost first scraped layer can be viewed; two adjacent first doctoring layers may not overlap, i.e. at least the uppermost first doctoring layer and the first doctoring layer located next to the uppermost layer can be observed.
In addition, a first scraping layer is arranged between two adjacent third crushing cutter layers.
When viewed in the axial direction of the third crushing roller 7, the adjacent third crushing blade layers and the first scraping layer may overlap, that is, only the uppermost third crushing blade layer can be viewed; the adjacent third crushing blade layers and the first scraping layer may not overlap, that is, at least the uppermost third crushing blade layer and the first scraping layer located at the next layer of the third crushing blade layer can be observed.
The second motor 8 is disposed outside the cylinder 1, connected to the third crushing roller 7, and configured to drive the third crushing roller 7 to rotate.
A plurality of fourth crushing rollers 9 are disposed inside the cylinder 1, and the axial direction thereof is perpendicular to the horizontal plane. The plurality of fourth crushing rollers 9 are symmetrically arranged by taking the third crushing roller 7 as a center, namely, an included angle between the axes of two adjacent fourth crushing rollers 9 is 360 degrees/n, wherein n is the number of the fourth crushing rollers 9.
The fourth crushing roller 9 includes a fourth crushing blade 23, and the fourth crushing blade 23 is regularly arranged in the axial direction of the fourth crushing roller 9. Specifically, a plurality of fourth crushing blade layers are provided along the axial direction of the fourth crushing roller 9, and each fourth crushing blade layer includes at least two fourth crushing blades 23. As viewed in the axial direction of the fourth crushing roller 9, two adjacent fourth crushing blade layers may overlap, that is, only the uppermost fourth crushing blade layer can be viewed; two adjacent fourth crushing blade layers may not overlap, that is, at least the fourth crushing blade layer at the uppermost layer and the fourth crushing blade layer at the next layer at the uppermost layer can be observed.
The fourth crushing roller 9 further comprises a second scraping unit 25, the second scraping unit 25 being regularly arranged in the axial direction of the fourth crushing roller 9. In particular, several second scraping layers are arranged in the axial direction of the fourth crushing roller 9, each second scraping layer comprising at least two second scraping units 25. Viewed in the axial direction of the fourth crushing roller 9, two adjacent second scraped layers may overlap, i.e. only the uppermost second scraped layer can be viewed; two adjacent second doctoring layers may not overlap, i.e. at least the uppermost second doctoring layer and the second doctoring layer located next to the uppermost layer can be observed.
In addition, a second scraping layer is arranged between every two adjacent fourth crushing cutter layers.
Viewed in the axial direction of the fourth crushing roller 9, the adjacent fourth crushing blade layers and the second scraping layer may overlap, that is, only the uppermost fourth crushing blade layer can be viewed; the adjacent fourth crushing blade layers and the second scraping layer may not overlap, that is, at least the uppermost fourth crushing blade layer and the second scraping layer located at the next layer of the fourth crushing blade layer can be observed.
As shown in fig. 1 and 2, the relationship between the third mill roller 7 and the fourth mill roller 9 in the axial direction of the cylindrical body 1 is as follows: a fourth crushing blade layer (formed by a plurality of fourth crushing blades 23), a second scraping layer (formed by a plurality of second scraping units 25), a third crushing blade layer (formed by a plurality of third crushing blades 22), a first scraping layer (formed by a plurality of first scraping units 24), a fourth crushing blade layer (formed by a plurality of fourth crushing blades 23), … …, and a third crushing blade layer (formed by a plurality of third crushing blades 22). The purpose of this arrangement is to scrape off the fodder adhered to the third and fourth crushing blades 22 and 23 and the inner wall of the cylindrical body 1 by the first and second scraping units 24 and 25 in the process of crushing the fodder by the third and fourth crushing blades 22 and 23.
As shown in fig. 5, the first scraping unit 24 includes a first connecting rod 26 and a first scraping disc 27, one end of the first connecting rod 26 is connected to the third pulverizing roller 7, and the other end of the first connecting rod 26 is rotatably connected to the first scraping disc 27. That is, the first scraping disc 27 rotates with the first connecting rod 26 around the third crushing roller 7, and the first scraping disc 27 rotates, thereby improving the scraping efficiency of the first scraping unit 24.
As shown in fig. 5, the second scraping unit 25 includes a second connecting rod 28 and a second scraping plate 29, one end of the second connecting rod 28 is connected to the fourth pulverizing roller 9, and the other end of the second connecting rod 28 is rotatably connected to the second scraping plate 29. That is, the second scraping plate 29 rotates with the second connecting rod 28 around the fourth crushing roller 9, and the second scraping plate 29 rotates, thereby improving the scraping efficiency of the second scraping unit 25.
The second transmission unit 10 is disposed inside the cylinder 1, connected to the third crushing roller 7, and located between the third crushing roller 7 and the second motor 8.
A plurality of third transmission units 11 are arranged inside the barrel body 1, and the third transmission units 11 are connected with the fourth crushing rollers 9 in a one-to-one correspondence manner. The plurality of third transmission units 11 are symmetrically arranged with the second transmission unit 10 as a center, that is, an included angle between the axes of two adjacent third transmission units 11 is 360 °/m, wherein m is the number of the third transmission units 11.
Specifically, the plurality of third transmission units 11 are all connected to the second transmission unit 10, and under the rotation of the second transmission unit 10, the plurality of third transmission units 11 rotate along with the rotation of the second transmission unit 10. The second transmission unit 10 is a driving gear, the third transmission unit 11 is a driven gear, and the rotation direction of the third transmission unit 11 is opposite to the rotation direction of the second transmission unit 10.
As shown in fig. 1, 2 and 5, the fixing base 12 is disposed in the middle of the inside of the cylinder 1 and defines the positions of the third pulverizing roller 7 and the plurality of fourth pulverizing rollers 9. The third crushing roller 7 is arranged by penetrating through the fixed seat 12, and the bottom of each fourth crushing roller 9 is rotatably connected with the fixed seat 12.
Wherein, fixing base 12 includes annular seat and a plurality of dead lever, and wherein, the bottom and the annular seat of a plurality of fourth crushing roller 9 rotate to be connected, and a plurality of dead levers are the setting of starburst form, set up a dead lever between two adjacent fourth crushing roller 9. One ends of a plurality of fixing rods are fixedly connected to form the center of the fixing seat 12 and used for limiting the third crushing roller 7; the other end of each fixed rod is connected with the inner wall of the cylinder body 1.
As shown in fig. 1 and 2, the third crushing roller 7 is provided at the bottom thereof with a grinding bit 13, the cylindrical body 1 is provided at the bottom thereof with a grinding base 14, and the grinding bit 13 is engaged with the grinding base 14 to grind the feed crushed by the third crushing roller 7 and the fourth crushing roller 9 to obtain the feed having a smaller particle diameter.
The grinding bit 13 is in an inverted cone shape, and the grinding base 14 is provided with a grinding cavity in a cone shape matched with the grinding bit 13. The grinding bit 13 rotates with the rotation of the third pulverizing roller 7 to grind the feed entering the grinding chamber of the grinding bed 14.
Among them, the outer surface of the polishing bit 13 is provided with a first helical polishing blade 30, and the inner surface of the polishing base 14 (i.e., the inner surface of the polishing chamber) is provided with a second helical polishing blade 31.
As shown in fig. 1 and 2, the first storage unit 15 is connected to the discharge port 15 of the barrel 1, and is used for pre-storing the feed subjected to the pre-crushing-grinding treatment. A filter screen 17 is arranged at the outlet of the first storage unit 15 and used for filtering and screening the feed of the first storage unit 15 to obtain the feed meeting the use requirement. A second discharge unit 16 is provided downstream of the first storage unit 15 for storing the feed filtered and sifted by the screen 17.
With this stock, the feed in the second stock unit 16 can be used directly; the feed in the first storage unit 15 is subjected to pre-crushing-grinding again to obtain feed meeting the use requirement.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (10)
1. A feed grinder assembly, comprising:
the barrel comprises a feed inlet and a discharge outlet, the feed inlet is obliquely and downwards arranged on the upper side of the barrel, and the discharge outlet is arranged at the bottom of the barrel;
the feeding pipeline is spiral, one end of the feeding pipeline is connected with the feeding hole, and the other end of the feeding pipeline is arranged upwards;
a first crushing roller disposed inside the feed conduit;
a second crushing roller disposed inside the feed pipe and on one side of the first crushing roller;
a first transmission unit connected to the first crushing roller and the second crushing roller, respectively;
the first motor is arranged outside the feeding pipeline and is connected with the first crushing roller or the second crushing roller;
a third pulverizing roller provided inside the cylindrical body;
the second motor is arranged outside the cylinder and is connected with the third crushing roller;
the fourth crushing rollers are arranged inside the cylinder body and are symmetrically arranged by taking the third crushing roller as a center;
the second transmission unit is arranged in the cylinder, connected with the third crushing roller and positioned between the second motor and the third crushing roller;
the third transmission units are arranged inside the barrel and are in one-to-one correspondence connection with the fourth crushing rollers, and the third transmission units are in transmission connection with the second transmission units respectively;
the fixing seats are arranged inside the barrel body, and the bottoms of the fourth crushing rollers are rotatably connected with the fixing seats;
a grinding bit disposed at a bottom of the third pulverizing roller;
the grinding base is arranged at the bottom of the barrel and matched with the grinding drill bit, and the discharge port is positioned at the lower part of the grinding base.
2. The feed grinder of claim 1, wherein the first grinder roller includes:
the first crushing cutters are regularly arranged along the axial direction of the first crushing roller;
the second crushing roller includes:
the second crushing cutters are regularly arranged along the axial direction of the second crushing roller;
and the second crushing knife is arranged between every two adjacent first crushing knives along the axial direction of the first crushing roller.
3. The feed grinder of claim 1, wherein the third grinder roller includes:
the third crushing cutters are regularly arranged along the axial direction of the third crushing roller;
the fourth crushing roller includes:
the fourth crushing cutters are regularly arranged along the axial direction of the fourth crushing roller;
and a fourth crushing knife is arranged between every two adjacent third crushing knives along the axial direction of the third crushing roller.
4. The feed grinder of claim 3, wherein the third grinder roller further includes:
the first scraping units are regularly arranged along the axial direction of the third crushing roller;
and a first scraping unit is arranged between the adjacent third crushing knife and the fourth crushing knife along the axial direction of the third crushing roller.
5. The fodder crushing device according to claim 4, wherein the first scraping unit includes:
one end of the first connecting rod is connected with the third crushing roller;
the first scraping disc is rotatably connected with the other end of the first connecting rod.
6. The feed grinder of claim 3, wherein the fourth grinder roller further includes:
the second scraping units are regularly arranged along the axial direction of the fourth crushing roller;
and a second scraping unit is arranged between the adjacent third crushing knife and the fourth crushing knife along the axial direction of the fourth crushing roller.
7. The fodder crushing device according to claim 6, wherein the second scraping unit includes:
one end of the second connecting rod is connected with the fourth crushing roller;
and the second scraping plate is rotatably connected with the other end of the second connecting rod.
8. The feed stuff reducing apparatus of claim 1, wherein an outer surface of the grinding bit is provided with a first grinding edge;
the inner surface of the grinding base is provided with a second grinding blade, and the second grinding blade is matched with the first grinding blade.
9. The feed stuff reducing apparatus of claim 8 wherein the first grinding blade is helical and the second grinding blade is helical.
10. The feed grinder of claim 1, further comprising:
the first material storage unit is connected with the material outlet;
the second material storage unit is connected with the first material storage unit;
and the filtering screen is arranged between the first storage unit and the second storage unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020779709.7U CN212263509U (en) | 2020-05-12 | 2020-05-12 | Fodder reducing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020779709.7U CN212263509U (en) | 2020-05-12 | 2020-05-12 | Fodder reducing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212263509U true CN212263509U (en) | 2021-01-01 |
Family
ID=73877603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020779709.7U Active CN212263509U (en) | 2020-05-12 | 2020-05-12 | Fodder reducing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212263509U (en) |
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2020
- 2020-05-12 CN CN202020779709.7U patent/CN212263509U/en active Active
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