CN215602548U

CN215602548U - Trunk type automatic feeding tank for large-scale pig farm

Info

Publication number: CN215602548U
Application number: CN202121906730.XU
Authority: CN
Inventors: 包军; 李淑玲; 刘洪贵; 万云超; 杨理昂; 曲倩楠; 沙珂; 李子玉; 徐亚楠
Original assignee: Northeast Agricultural University
Current assignee: Northeast Agricultural University
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-01-25
Anticipated expiration: 2031-08-16

Abstract

Scale pig farm is with elephant nose formula automatic feed groove belongs to domestic animal breeding and learns technical field, by getting trough (1), circle wall (2), stock chest (3), insert baffle (4), elephant nose formula material way (5) and constitute its characterized in that: the feed taking groove (1) is a part for taking feed by pigs, the feed taking groove wall (9) is a wall around the feed taking groove (1), a plurality of feed taking groove discs (8) are arranged on the bottom wall corresponding to the trunk-type feed channel discharge hole (6), the trunk-type feed channel discharge hole (6) is arranged at the upper edge of the outer side of each feed taking groove disc (8), and the distance between every two adjacent feed taking groove discs (8) is 5-10 cm; the lower part of the food taking groove (1) is provided with a food taking groove base (16); the food taking groove cavity (7) is a cavity surrounded by the food taking groove wall (9). The trunk type automatic feeding tank for the large-scale pig farm is simple to manufacture, strong in operability, low in cost and obvious in effect.

Description

Trunk type automatic feeding tank for large-scale pig farm

Technical Field

The invention relates to a trunk-type automatic feeding tank for a large-scale pig farm, and belongs to the technical field of livestock breeding.

Background

Pigs are mammals of the family suidae of the order artiodactyla, native to old continental areas of asia, europe, africa, etc. Pigs are usually characterized by big ears, long head, short limbs, straight nose, fat body and narrow waist and back. The hair is relatively coarse and stiff and the fur color is usually white, pink, black, brown and fancy. The classification of the wild boar is mainly domestic pigs and wild boars, the domestic pigs are subspecies formed after the wild boars are domesticated by human beings, and the bucktooth is shorter than the wild boars and is one of domestic animals domesticated by the human beings. The feeding behavior of pigs includes ingestion and drinking of water and has various age characteristics. The pigs have the hereditary property of endowing the soil with unique characteristics, and the soil foraging is a prominent characteristic of the pig feeding behavior. The pig nose is a highly developed organ, and the sense of smell plays a decisive role when foraging on the arch. When feeding, each time the pigs try to occupy a favourable position in the trough, sometimes both forelimbs are stepped into the favourable position in the trough, and if the trough is easily accessible, individual pigs even drill into the trough, standing in one corner of the trough, so that when designing the feeding device, the feeding device must be designed as a solid structure which is not easily broken by arching or stepping. The pigs fed singly by the walls of the pigs fed in a group are fast to eat, much in eating and high in weight gain, so that in the process of raising the pigs, a raising mode of raising the pigs in a pigpen group with high density is often adopted, for example, 1 fattening pig is raised in a pigpen with 0.8 square meters in winter, and 1 fattening pig is raised in a pigpen with 1 square meter in summer. The high-density grown pigs are small in pen building and low in cost, and the fattening pigs strive for eating without moving fields, are full and sleep, like to grow meat, gain weight quickly and reduce feeding cost. Generally, feeding for 3-4 times daily in the early stage of fattening, feeding without limitation, and freely drinking water; in the late stage of fattening, feeding for 2-3 times daily, feeding without limitation, and freely drinking water. As can be seen, the fattening pigs eat a large amount of food every day, and the existing fattening pigs fed with the feed are usually fed with the granular pig feed. Therefore, how to lead the pigs to be capable of automatically taking food so as to reduce the working strength of raising personnel as much as possible becomes a difficult problem to be solved urgently, so that the storage tank and the food taking tank are respectively arranged between the upper position and the lower position inside and outside the ring wall and are communicated with each other by the trunk type feed channel, after the pigs take the granular pig feed in the food taking tank tray, the granular pig feed in the storage tank can automatically enter the food taking tank tray at the bottom of the food taking tank cavity through the trunk type feed channel under the action of gravity, the food taking tank tray can be filled with the supplemented granular pig feed, after the food taking tank tray is filled with the granular pig feed, the discharge hole of the trunk type feed channel can be plugged by the gradually accumulated granular pig feed, so that the granular pig feed does not continuously fall any more as long as the granular pig feed is in the storage tank, and the granular pig feed can be automatically supplemented to the food taking tank tray at the bottom wall of the food taking tank, when feeding, an operator only needs to add granular pig feed into the storage tank in a manual or mechanical transportation mode, and finally the aim of reducing the working strength of the feeding personnel as much as possible after the pigs automatically take the feed is achieved.

Disclosure of Invention

In order to overcome the problem that how to automatically feed pigs so as to reduce the working strength of feeders as much as possible, the invention provides the trunk type automatic feeding tank for the large-scale pig farm, the trunk type automatic feeding tank for the large-scale pig farm is characterized in that the material storage tank and the feeding tank are respectively arranged between the upper position and the lower position inside and outside the ring wall, and are communicated by the trunk type material channel, after the pigs feed the granular pig feed in the feeding tank tray, the granular pig feed in the material storage tank can automatically enter the feeding tank tray at the bottom of the feeding tank cavity through the trunk type material channel under the action of gravity, the supplemented granular pig feed can be filled in the feeding tank tray, after the feeding tank tray is filled with the granular pig feed, the gradually accumulated granular pig feed can block the discharge hole of the trunk type material channel, so that the granular pig feed does not continuously fall any more, as long as there is the graininess pig feed in the stock chest, can all constantly supply automatically to getting in the trough pan of food taking of trough bottom wall department after the pig is got to eat, during the feeding, as long as operating personnel adds the graininess pig feed into the stock chest through artifical or mechanical transportation mode, finally reaches the purpose that can alleviate raiser's working strength as far as possible after the pig is got to eat automatically.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the invention relates to a trunk type automatic feeding tank for a large-scale pig farm, which consists of a feeding tank 1, a ring wall 2, a storage tank 3, an inserting baffle 4 and a trunk type material channel 5, and is characterized in that: the feeding trough 1 is a part for feeding the feed for the pigs, the feeding trough 1 is of a brick-concrete structure, a wood structure or a stainless steel structure, the length is 4-5 meters, namely the length of the outer wall of the pigsty, the width is 20-30 centimeters, the height is 20-40 centimeters, and the feeding trough 1 consists of a feeding trough cavity 7, a feeding trough plate 8, a feeding trough wall 9 and a feeding trough base 16; the food taking groove wall 9 is a wall around the food taking groove 1, wherein the outer side wall of the food taking groove wall 9 is the inner surface of the ring wall 2, the food taking groove 1 has no top wall, so the upper part is open, a plurality of food taking groove discs 8 are arranged on the bottom wall of the food taking groove wall 9, the upper edge of the outer side of each food taking groove disc 8 is provided with a trunk-type material channel discharge hole 6, and the lower part of the food taking groove 1 is provided with a food taking groove base 16; the feeding trough cavity 7 is a cavity surrounded by the feeding trough walls 9, the length of the feeding trough cavity 7 is 3.8-4.5 m, the width is 15-25 cm, and the depth is 10-20 cm; the food taking groove discs 8 are a plurality of disc-shaped structures which are arranged on the bottom wall of the food taking groove wall 9 and correspond to the trunk type material channel discharge hole 6, the diameter is 10-20 cm, the depth is 2-3 cm, and the distance between every two adjacent food taking groove discs 8 is 5-10 cm; the feeding trough base 16 is a base at the lower part of the feeding trough 1, is solid, has the length of 4-5 meters, the width of 20-30 centimeters and the height of 10-20 centimeters, and the inner surface of the feeding trough base 16 and the inner surface of the feeding trough wall 9 are positioned on the same plane.

The pigsty wall 2 is located on the periphery of the pigsty and is of a brick-concrete structure, each side of the pigsty wall 2 is cuboid, the length of each cuboid is 4-10 meters, namely the length of the outer wall of the pigsty, the width of the pigsty is 20-40 centimeters, the height of the pigsty is 80-120 centimeters, if a plurality of pigsty are arranged together, two adjacent pigsty can share one pigsty wall 2 in the middle, and a plurality of nose-like material channels 5 are arranged in the pigsty wall 2 on the outer side of each pigsty; the trunk type feed channel 5 is a channel for granular pig feed to slide from the storage tank 3 at the upper end of the outer surface of the ring wall 2 to the feeding tank tray 8, is a prefabricated part, is made of plastic, stainless steel or aluminum alloy, is trunk-shaped, and is arranged in the wall body when the ring wall 2 is built; the opening at the upper end of the trunk type material channel 5 is positioned at the bottom of the material storage tank 3 and is called a trunk type material channel feeding hole 15, the trunk type material channel feeding hole 15 is circular, and the diameter of the circle is 8-10 cm; the lower end opening of the trunk type material channel 5 is positioned above the outer side edge of the food taking groove disc 8 and is called a trunk type material channel discharge hole 6, the trunk type material channel discharge hole 6 is circular, and the diameter of the circle is 3-5 cm; the inserting baffle 4 is arranged at the position, exposed out of the outer surface of the ring wall 2, of the trunk type material channel 5 on the trunk type material channel 5 and in the middle of the ground of the material storage tank 3, is a rectangular steel plate, and is 15-30 cm in length, 3-10 cm in width and 0.3-0.5 cm in thickness; the inserting baffle plate inserting opening 10 is a notch positioned in the middle of the base 17 of the storage tank, and is rectangular, the length of the rectangle is 3.2-10.5 cm, and the width of the rectangle is 0.5-1 cm; the baffle inserting fixing groove 11 is a groove which corresponds to the baffle inserting opening 10 and is positioned at the same height as the baffle inserting opening 10, and the baffle inserting fixing groove 11 is 3.2-10.5 cm in length, 0.5-1 cm in width and 1-3 cm in depth.

The storage tank 3 is a groove for temporarily storing granular pig feed, is arranged on the outer side of the top of the ring wall 2 on the outer side of the pigsty, is of a brick-concrete structure, a wood structure or a stainless steel structure, has the length of 4-5 m, the width of 20-30 cm and the height of 20-40 cm, and comprises a storage tank bottom protrusion 12, a storage tank wall 13, a storage tank cavity 14 and a storage tank base 17, and is of a brick-concrete structure, a wood structure or a stainless steel structure; the storage tank bottom protrusion 12 is a protrusion formed by inward thickening of the outer wall of the storage tank 3, the upper edge of the protrusion reaches the center of the inner surface of the outer wall of the storage tank 3, the lower edge of the protrusion is 3-5 cm away from the inner surface of the outer wall of the storage tank 3, and the protrusion is solid and has an arc-shaped surface; the storage tank wall 13 is a wall around the storage tank 3, wherein the inner side wall of the storage tank wall 13 is the outer surface of the ring wall 2, and the storage tank 3 has no top wall, so the upper part is open; the storage tank cavity 14 is a cavity surrounded by the storage tank wall 13 and is communicated with the trunk type material channel 5; the storage tank base 17 is the part of the lower part of the storage tank 3 positioned on the outer surface of the ring wall 2, the trunk type material channel 5 can be arranged on the outer surface of the ring wall 2 on the lower part of the storage tank 3, the upper edge of the outer surface of the storage tank base 17 is connected with the inner edge of the lower end of the storage tank bottom protrusion 12, and the lower edge is positioned 2-3 cm below the trunk type material channel 5 extending into the outer surface of the ring wall 2.

The invention has the advantages that the trunk type automatic feeding groove for the large-scale pig farm is arranged between the upper position and the lower position of the storage groove and the feeding groove which are respectively arranged inside and outside the ring wall, the storage groove and the feeding groove are communicated by the trunk type material channel, after the pigs feed the granular pig feed in the feeding groove tray, the granular pig feed in the storage groove can automatically enter the feeding groove tray at the bottom of the feeding groove cavity through the trunk type material channel under the action of gravity, the fed granular pig feed can fully fill the feeding groove tray, after the granular pig feed is filled in the feeding groove tray, the gradually accumulated granular pig feed can block the discharge hole of the trunk type material channel, so that the granular pig feed does not continuously fall any more, as long as the granular pig feed is arranged in the storage groove, the granular pig feed can be automatically and continuously supplemented in the feeding groove tray at the bottom wall of the feeding groove after the pigs feed, and when the pigs are fed, as long as operating personnel adds granular pig feed to the stock chest through artifical or mechanical transportation mode, finally reaches the purpose that can alleviate the personnel working strength of raising as far as possible after the pig is automatic to be eaten. The trunk type automatic feeding tank for the large-scale pig farm is simple to manufacture, strong in operability, low in cost and obvious in effect.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view showing the overall structure of the trunk-type automatic feeding tank for a large-scale pig farm according to the present invention.

FIG. 2 is a schematic cross-sectional view of a whip body of the trunk type automatic feeding tank for a large-scale pig farm according to the present invention.

In the figure, 1, a feeding groove, 2, a ring wall, 3, a material storage groove, 4, an inserting baffle, 5, a trunk type material channel, 6, a trunk type material channel discharge hole, 7, a feeding groove cavity, 8, a feeding groove disc, 9, a feeding groove wall, 10, an inserting baffle socket, 11, an inserting baffle fixing groove, 12, a storage groove bottom protrusion, 13, a storage groove wall, 14, a storage groove cavity, 15, a trunk type material channel feed inlet, 16, a feeding groove base and 17, a storage groove base are arranged.

Detailed Description

The first embodiment is as follows:

as shown in the figure, the trunk type automatic feeding tank for the large-scale pig farm comprises a feeding tank 1, a ring wall 2, a storage tank 3, an inserting baffle 4, a trunk type material channel 5, a trunk type material channel discharging hole 6, a feeding tank cavity 7, a feeding tank disc 8, a feeding tank wall 9, an inserting baffle socket 10, an inserting baffle fixing groove 11, a storage tank bottom protrusion 12, a storage tank wall 13, a storage tank cavity 14, a trunk type material channel feeding hole 15, a feeding tank base 16 and a storage tank base 17. The feeding trough 1 is a part for feeding the feed for the pigs, when the pigs want to feed, the pigs can feed the granular feed fed into the trough just by slightly lowering the head of the pigs before the feeding trough 1, the feeding trough 1 is of a brick-concrete structure, a wood structure or a stainless steel structure, the length of the feeding trough 1 is 4-5 meters, namely the length of the outer wall of a pigsty, the width of the feeding trough 1 is 20-30 centimeters, the height of the feeding trough 1 is 20-40 centimeters, and the feeding trough 1 consists of a feeding trough cavity 7, a feeding trough plate 8, a feeding trough wall 9 and a feeding trough base 16; get the trough wall 9 and get trough 1 wall all around, wherein, get the lateral wall of trough wall 9 and be the internal surface of circle wall 2, get trough 1 and do not have the roof, so the top is uncovered, so that the pig is when getting the food, stretch into getting the trough chamber 7 with the head and get the edible fodder, get and set up a plurality of trough dishes 8 of getting on the diapire of trough wall 9, every is got and all has a trunk formula material way discharge opening 6 in the 8 outside upper edges department of trough dish, make granular pig fodder can get the trough dish 8 by the stock chest 3 through trunk formula material way 5 entering like nose, get trough 1 lower part and be getting trough base 16. The feeding trough cavity 7 is a cavity surrounded by the feeding trough wall 9, granular pig feed enters the feeding trough tray 8 at the bottom of the feeding trough cavity 7 from the storage trough 3 through the trunk-like feed channel 5, the length of the feeding trough cavity 7 is 3.8-4.5 m, the width is 15-25 cm, and the depth is 10-20 cm. The feed taking trough plate 8 is a plurality of disc-shaped structures which are arranged on the bottom wall of the feed taking trough wall 9 and correspond to the trunk type feed channel discharge hole 6, the diameter is 10-20 cm, the depth is 2-3 cm, the distance between two adjacent feed taking trough plates 8 is 5-10 cm, as the feed taking trough plate 8 corresponds to the trunk type feed channel discharge hole 6, after the pigs take the granular pig feed in the feed taking trough plate 8, the granular pig feed in the feed storage trough 3 can automatically enter the feed taking trough plate 8 at the bottom of the feed taking trough cavity 7 through the trunk type feed channel 5 under the action of gravity, the feed taking trough plate 8 can be filled with the supplemented granular pig feed, after the feed taking trough plate 8 is filled with the granular pig feed, the trunk type feed channel discharge hole 6 can be blocked by the granular pig feed gradually, so that the granular pig feed does not continuously fall, like this, as long as there is graininess pig feed in the stock chest 3, all can constantly supply automatically to getting in the trough of eating dish 8 of getting of trough 1 diapire department after the pig is got the food, when feeding, as long as operating personnel with graininess pig feed through artifical or mechanical transportation mode add into the stock chest 3 can. The feeding trough base 16 is a solid base at the lower part of the feeding trough 1, is 4-5 meters long, 20-30 centimeters wide and 10-20 centimeters high, and the inner surface of the feeding trough base 16 and the inner surface of the feeding trough wall 9 are positioned on the same plane so as to prevent the inner side wall of the feeding trough wall 9 from being easily damaged when a pig finds the pivot of the lifting feeding trough wall 9 by using the mouth arch during feeding. The pigsty wall 2 is a separation wall for preventing the pigsty from escaping, is located on the periphery of the pigsty and is of a brick-concrete structure, each side of the pigsty wall 2 is cuboid, the length of the cuboid is 4-10 meters, namely the length of the outer wall of the pigsty, the width of the pigsty is 20-40 centimeters, and the height of the pigsty is 80-120 centimeters, if a plurality of pigsty are arranged together, two adjacent pigsty can share one pigsty wall 2 in the middle, and a plurality of nose-like material channels 5 are arranged in the pigsty wall 2 on the outer side of each pigsty. The trunk type feed channel 5 is a channel for granular pig feed to slide from the storage tank 3 at the upper end of the outer surface of the ring wall 2 to the feeding tank tray 8, is a prefabricated part, is made of plastic, stainless steel or aluminum alloy, is trunk-shaped, and is arranged in the wall body when the ring wall 2 is built; the opening at the upper end of the trunk type feed channel 5 is positioned at the bottom of the storage tank 3, is circular, has the diameter of 8-10 cm, is called a trunk type feed channel feeding hole 15, and is an opening for allowing the granular pig feed in the storage tank 3 to slide into the trunk type feed channel 5; the opening at the lower end of the trunk type material channel 5 is positioned above the outer side edge of the food taking groove disc 8 and is called a trunk type material channel discharge hole 6, the trunk type material channel discharge hole 6 is circular, and the diameter of the circle is 3-5 cm. The inserting baffle 4 is arranged at the position, exposed out of the outer surface of the ring wall 2, of the trunk type material channel 5 on the trunk type material channel 5 and in the middle of the ground of the material storage tank 3, of the trunk type material channel 5 and is a cuboid steel plate, the length of the inserting baffle 4 is 15-30 cm, the width of the inserting baffle 4 is 3-10 cm, the thickness of the inserting baffle 4 is 0.3-0.5 cm, the inserting baffle 4 can be inserted into the material storage tank base 17 from an inserting baffle socket 10, once the inserting baffle extends into the inserting baffle fixing groove 11, the trunk type material channel 5 can be separated through the inserting baffle 4, accordingly, granular pig feed is prevented from further sliding downwards, and a breeder can control the amount of the feed in the feed preparation trough 1. The inserting baffle plate inserting opening 10 is a notch positioned in the middle of the storage tank base 17 and is rectangular, and the length of the rectangle is 3.2-10.5 cm, and the width of the rectangle is 0.5-1 cm. The baffle inserting fixing groove 11 is a groove which corresponds to the baffle inserting opening 10 and is positioned at the same height as the baffle inserting opening 10, and the baffle inserting fixing groove 11 is 3.2-10.5 cm in length, 0.5-1 cm in width and 1-3 cm in depth. The storage tank 3 is a groove for temporarily storing granular pig feed and is arranged on the outer side of the top of the ring wall 2 on the outer side of the pigsty, an upper opening circle and the top surface of the ring wall 2 are positioned on the same horizontal plane, the storage tank 3 is of a brick-concrete structure, a wood structure or a stainless steel structure, the length of the storage tank 3 is 4-5 m, the width of the storage tank is 20-30 cm, the height of the storage tank 3 is 20-40 cm, and the storage tank comprises a storage tank bottom protrusion 12, a storage tank wall 13, a storage tank cavity 14 and a storage tank base 17. The storage tank bottom protrusion 12 is a protrusion formed by inward thickening of the outer wall of the storage tank 3, the upper edge of the protrusion reaches the center of the inner surface of the outer wall of the storage tank 3, the lower edge of the protrusion is 3-5 cm away from the inner surface of the outer wall of the storage tank 3, the protrusion is solid, and the surface of the protrusion is arc-shaped, so that the granular pig feed can more conveniently slide into the trunk-like feed channel 5. The storage tank wall 13 is the wall around the storage tank 3, wherein, the inside wall of the storage tank wall 13 is the outer surface of the ring wall 2, and the storage tank 3 has no top wall, so the top is open, so that the operator can pour the granular pig feed into the storage tank 3. The storage tank cavity 14 is a cavity surrounded by the storage tank wall 13, is communicated with the trunk-type feed channel 5, and is used for containing granular pig feed. The storage tank base 17 is the part of the lower part of the storage tank 3 positioned on the outer surface of the ring wall 2, the trunk type material channel 5 can be arranged on the outer surface of the ring wall 2 on the lower part of the storage tank 3, the upper edge of the outer surface of the storage tank base 17 is connected with the inner edge of the lower end of the storage tank bottom protrusion 12, and the lower edge is positioned 2-3 cm below the trunk type material channel 5 extending into the outer surface of the ring wall 2.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.

Claims

1. Scale pig farm is with elephant nose formula automatic feed groove comprises getting trough (1), circle wall (2), stock chest (3), inserting baffle (4), elephant nose formula material way (5), its characterized in that: the feeding trough (1) is a part for feeding the feed for the pigs, the feeding trough (1) is of a brick-concrete structure, a wood structure or a stainless steel structure, the length is 4-5 meters, namely the length of the outer wall of the pigsty, the width is 20-30 centimeters, the height is 20-40 centimeters, and the feeding trough (1) consists of a feeding trough cavity (7), a feeding trough plate (8), a feeding trough wall (9) and a feeding trough base (16); the food taking groove wall (9) is a wall around the food taking groove (1), wherein the outer side wall of the food taking groove wall (9) is the inner surface of the ring wall (2), the food taking groove (1) is not provided with a top wall, so the upper part is open, a plurality of food taking groove discs (8) are arranged on the bottom wall of the food taking groove wall (9), the upper edge of the outer side of each food taking groove disc (8) is provided with a nose-like material channel discharge hole (6), and the lower part of the food taking groove (1) is a food taking groove base (16); the feeding trough cavity (7) is a cavity surrounded by the feeding trough walls (9), the length of the feeding trough cavity (7) is 3.8-4.5 m, the width is 15-25 cm, and the depth is 10-20 cm; the food taking groove discs (8) are a plurality of disc-shaped structures which are arranged on the bottom wall of the food taking groove wall (9) and correspond to the positions of the discharge holes (6) of the nose-like material channel, the diameter is 10-20 cm, the depth is 2-3 cm, and the distance between every two adjacent food taking groove discs (8) is 5-10 cm; the feeding trough base (16) is a base at the lower part of the feeding trough (1), is solid, has the length of 4-5 meters, the width of 20-30 centimeters and the height of 10-20 centimeters, and the inner surface of the feeding trough base (16) and the inner surface of the feeding trough wall (9) are positioned on the same plane.

2. The trunk-type automatic feeding tank for the large-scale pig farm according to claim 1, which is characterized in that: the pigsty is characterized in that the pigsty walls (2) are located on the periphery of the pigsty and are of a brick-concrete structure, each side of each pigsty wall (2) is cuboid, the length of each cuboid is 4-10 meters, namely the length of the outer wall of the pigsty, the width of each pigsty is 20-40 centimeters, the height of each pigsty is 80-120 centimeters, if a plurality of pigsty are arranged together, two adjacent pigsty can share one pigsty wall (2) in the middle, and a plurality of nose-like material channels (5) are arranged in each pigsty wall (2) on the outer side of each pigsty; the trunk type feed channel (5) is a channel for granular pig feed to slide from a storage groove (3) at the upper end of the outer surface of the ring wall (2) to the feeding groove disc (8), is a prefabricated part, is made of plastic, stainless steel or aluminum alloy and is trunk-shaped, and when the ring wall (2) is built, the trunk type feed channel (5) is arranged in the wall body; the upper end opening of the trunk type material channel (5) is positioned at the bottom of the storage tank (3) and is called a trunk type material channel feeding hole (15), the trunk type material channel feeding hole (15) is circular, and the diameter of the circle is 8-10 cm; the lower end opening of the trunk type material channel (5) is positioned above the outer side edge of the food taking groove disc (8) and is called a trunk type material channel discharge hole (6), the trunk type material channel discharge hole (6) is circular, and the diameter of the circle is 3-5 cm; the inserting baffle (4) is arranged at the position, exposed out of the outer surface of the ring wall (2), of the trunk type material channel (5) at the upper part of the trunk type material channel (5) and in the middle of the ground of the material storage tank (3), is a rectangular steel plate, and is 15-30 cm long, 3-10 cm wide and 0.3-0.5 cm thick; the inserting opening (10) of the inserting baffle is a notch positioned in the middle of the base (17) of the storage tank, is rectangular, and has the length of 3.2-10.5 cm and the width of 0.5-1 cm; the baffle inserting fixing groove (11) is a groove which is correspondingly inserted into the baffle inserting opening (10) and is positioned at the same height with the baffle inserting opening (10), and the baffle inserting fixing groove (11) is 3.2-10.5 cm in length, 0.5-1 cm in width and 1-3 cm in depth.

3. The trunk-type automatic feeding tank for the large-scale pig farm according to claim 1, which is characterized in that: the storage trough (3) is a groove for temporarily storing granular pig feed, is arranged on the outer side of the top of the ring wall (2) on the outer side of the pigsty, is provided with an upper opening circle and the top surface of the ring wall (2) on the same horizontal plane, is of a brick-concrete structure, a wood structure or a stainless steel structure, has the length of 4-5 m, the width of 20-30 cm and the height of 20-40 cm, and comprises a storage trough bottom protrusion (12), a storage trough wall (13), a storage trough cavity (14) and a storage trough base (17); the bottom bulge (12) of the storage tank is a bulge formed by inward thickening of the outer wall of the storage tank (3), the upper edge of the bottom bulge reaches the center of the inner surface of the outer wall of the storage tank (3), and the lower edge of the bottom bulge is 3-5 cm away from the inner surface of the outer wall of the storage tank (3), solid and arc-shaped in surface; the storage tank wall (13) is the wall around the storage tank (3), wherein the inner side wall of the storage tank wall (13) is the outer surface of the ring wall (2), and the storage tank (3) has no top wall, so the upper part is open; the storage tank cavity (14) is a cavity surrounded by a storage tank wall (13) and is communicated with the trunk-type material channel (5); the storage tank base (17) is the part of the lower part of the storage tank (3) which is positioned on the outer surface of the ring wall (2), the trunk type material channel (5) can be arranged on the outer surface of the ring wall (2) at the lower part of the storage tank (3), the upper edge of the outer surface of the storage tank base (17) is connected with the inner edge of the lower end of the storage tank bottom protrusion (12), and the lower edge is positioned 2-3 cm below the trunk type material channel (5) which extends into the outer surface of the ring wall (2).