Feeding device for pig breeding
By designing a feed device including pig breeding devices including storage components, feeding components, and cleaning components, the problems of uneven mixed feed mixing and grooves in existing technologies have been solved. The automatic cleaning of the slot ensures the healthy growth of pigs.
Patent Information
- Application Number
- CN202411807873.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-01-24
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
It is difficult to achieve uniform mixed feeding of multiple feeds in existing pig breeding feeding devices, and the food tank is not cleaned in time, resulting in food residues and rotting, affecting the healthy growth of pigs.
A feeding device including a storage component, a feeding component and a cleaning component is designed. The storage component includes a storage tank and a water storage tank. The feeding component achieves uniform mixing and feeding of feed through the batching parts and the trough. The cleaning component automatically cleans the trough through the shielding cover and cleaning parts.
The uniform mixing feeding of a variety of feed has been achieved, reducing the amount of labor of the workers, ensuring the clean and tidy tidies of the grooves, avoiding food residues, and ensuring the healthy growth of pigs.
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Figure CN119344231A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of pig breeding, in particular to a feeding device for pig breeding. Background Art
[0002] Pig farming is an important industry in my country's agriculture and plays an important role in ensuring the safe supply of meat food. In the existing technology, the pig farming industry is transforming from traditional pig farming to modern pig farming. Whether it is farming model, regional layout or production method and production capacity, significant changes are taking place. In the process of pig farming, feeding device is an indispensable equipment.
[0003] Although the feeding device in the prior art realizes automatic feeding of feed, the feed is mostly stored in a tank, and usually only one type of feed is automatically transported and fed. For pigs in different growth stages, it may be necessary to mix multiple feeds or mix feeds with medicines. However, feeding multiple feeds separately may result in uneven proportions when the feed is subsequently eaten. In addition, in the prior art, some residues or pig saliva usually remain after the feed is eaten, which may cause decay and bacteria. Subsequent manual washing is labor-intensive and there is also a problem of untimely cleaning.
[0004] Therefore, there is an urgent need for a feeding device for pig breeding to solve the above problems. Summary of the invention
[0005] The purpose of the present invention is to provide a feeding device for pig breeding to solve the problems existing in the above-mentioned prior art.
[0006] To achieve the above object, the present invention provides the following solution: The present invention provides a feeding device for pig breeding, comprising:
[0007] A storage component, the storage component includes a material storage tank and a water storage tank, the material storage tank stores several kinds of feed, and the water storage tank stores water;
[0008] A feeding assembly, comprising a batching component and a trough, wherein the batching component is arranged on the storage tank for mixing feed, and the trough is installed in the pig house, and the batching component is connected to the trough through a first pipe for feeding feed into the trough;
[0009] The cleaning component includes a shielding cover and a cleaning piece, wherein the shielding cover is slidably connected to the trough, the cleaning piece is arranged on the shielding cover and is connected to the water storage tank, and is configured such that the shielding cover is opened when feeding is carried out, and the shielding cover is closed after feeding is completed, and the trough is cleaned by the cleaning piece.
[0010] According to a feeding device for pig farming provided by the present invention, the batching component comprises:
[0011] A batching tank is fixedly connected to the bottom of the material storage tank, and the batching tank is divided into a batching chamber and a stirring chamber by a partition plate;
[0012] A batching member is arranged in the batching cavity, the batching cavity is communicated with the material storage tank, and the batching member is used to evenly spread the feed transported by the material storage tank in the batching cavity;
[0013] The stirring device is rotatably connected in the stirring chamber, and the feed evenly spread in the batching chamber is transported to the stirring chamber and stirred by the stirring device.
[0014] According to a feeding device for pig farming provided by the present invention, the batching component comprises:
[0015] A material receiving hopper, both ends of which are respectively fixedly connected with a rotating shaft, and the material receiving hopper is rotatably connected in the batching chamber through the rotating shaft;
[0016] A feeding pipe is fixedly connected to the bottom of the receiving hopper, and a telescopic pipe is slidably connected to the feeding pipe through a cylinder;
[0017] A hydraulic cylinder is fixedly connected to the outer wall of the batching trough, and the telescopic end of the hydraulic cylinder is fixedly connected to a toothed plate, wherein one end of the rotating shaft extends out of the batching trough and is fixedly connected to a first gear, and the first gear is meshed with the toothed plate.
[0018] According to a feeding device for pig farming provided by the present invention, the cleaning part includes: a plurality of spray heads, which are respectively fixedly connected to the shielding cover and distributed in an array, a water delivery cavity is provided in the shielding cover, the spray head is connected to the water delivery cavity, the water delivery cavity is connected to the water storage tank through a second pipe, a discharge port is opened on the trough, and a sealing door panel is provided on the discharge port.
[0019] According to a feeding device for pig breeding provided by the present invention, connecting shafts are rotatably connected on two opposite inner walls of the trough, one end of a support frame is fixedly connected between the two connecting shafts, a cleaning roller is rotatably connected to the other end of the support frame, the cleaning roller is in contact with the inner wall of the trough, and a motor is fixedly connected to the outer wall of the trough, wherein one end of one of the connecting shafts passes through the trough and is fixedly connected to the output shaft of the motor.
[0020] According to a feeding device for pig farming provided by the present invention, grooves are provided on both side walls of the trough, a sealing ring is rotatably connected to the groove, one end of the central axis of the cleaning roller passes through the sealing ring and is fixedly connected to a second gear, an annular gear plate is fixedly connected in the groove, and the second gear is meshed with the annular gear plate.
[0021] According to a feeding device for pig farming provided by the present invention, a plurality of storage chambers are provided in the storage tank, and the bottom ends of the plurality of storage chambers are respectively fixedly connected to one end of a conveying pipe, and the other end of the conveying pipe extends into the mixing chamber and is located above the receiving hopper.
[0022] According to the feeding device for pig breeding provided by the present invention, a weighing device is arranged in the conveying pipeline.
[0023] According to a feeding device for pig farming provided by the present invention, a plurality of air outlets and a disinfection device are installed on the shielding cover.
[0024] According to a feeding device for pig farming provided by the present invention, two scrapers are fixedly connected to the support frame, the scrapers are in sliding contact with the trough, and the cleaning roller is located between the two scrapers.
[0025] Compared with the prior art, the present invention has the following advantages and technical effects:
[0026] The present invention provides a feeding device for pig breeding. When in use, according to different feeding needs, several kinds of feed in the storage tank are respectively transported to the batching part, and ensure that they are evenly mixed. After mixing, they are transported to several troughs in the pig house through the first pipeline for feeding. When the feed is eaten, the shielding cover is buckled on the trough, and the trough is cleaned by the cleaning part to ensure the cleanliness of the trough, avoid food residues from rotting and generating bacteria, and ensure subsequent feeding and healthy growth of pigs. The present application is adapted to different feeding needs, reduces the workload of workers, ensures the accurate proportion of feed and the cleanliness of the trough, thereby ensuring the healthy growth of pigs. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor:
[0028] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0029] Figure 2 This is a schematic diagram of the cleaning component structure of the present invention;
[0030] Figure 3 It is a schematic diagram of the meshing state between the second gear and the annular gear plate of the present invention;
[0031] Figure 4 This is a structural diagram of Embodiment 2 of the present invention;
[0032] Figure 5 For the present invention Figure 4 A partial enlarged view of the middle part;
[0033] Among them, 1. material storage tank; 2. water storage tank; 3. food trough; 4. first pipeline; 5. shielding cover; 6. batching trough; 7. partition plate; 8. batching chamber; 9. stirring chamber; 10. stirring device; 11. receiving hopper; 12. rotating shaft; 13. feeding pipe; 14. cylinder; 15. telescopic pipe; 16. hydraulic cylinder; 17. tooth plate; 18. first gear; 19. sprinkler head; 20. water delivery chamber; 21. second pipeline ; 22. Discharge port; 23. Sealing door panel; 24. Connecting shaft; 25. Support frame; 26. Cleaning roller; 27. Motor; 28. Groove; 29. Sealing ring; 30. Second gear; 31. Annular gear plate; 32. Storage chamber; 33. Conveying pipeline; 34. Weighing device; 35. Air outlet; 36. Disinfection device; 37. Scraper; 38. Slide; 39. Sliding block; 40. Grille slot; 41. Spring. DETAILED DESCRIPTION
[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0035] A feeding device for pigs disclosed in the prior art includes a feed bin, a feeding barrel, a transmission box, a transmission assembly and a baffle arc plate, wherein the feed bin is a hollow cavity with an upper opening, the feed bin is arranged on one side of the lower end of the feeding barrel, a feeding pipe is arranged between the feed bin and the feeding barrel, the two ends of the feeding pipe are respectively connected to the lower end of the feed bin and the feeding barrel, a feeding valve is arranged at one end of the feeding pipe, the transmission box is fixed above the feed bin, a stirring shaft is rotatably arranged in the feed bin, the upper end of the stirring shaft is rotatably arranged in the transmission box, an auger is rotatably arranged in the feeding barrel, the transmission assembly is arranged on one side of the transmission box, the transmission assembly is connected with the stirring shaft and the auger, the feed is evenly put into the trough, and the baffle arc plate is rotated to control the feeding of the feed in the feeding barrel. Although the above patent realizes uniform mixing and feeding of feed, the feed is directly put in for mixing, and there is uneven mixing, which affects the overall mixing ratio, and thus long-term consumption affects the growth of pigs, and at the same time, it cannot realize automatic cleaning of the trough, which affects the healthy growth of subsequent pigs.
[0036] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.
[0037] Embodiment 1:
[0038] Reference Figure 1-Figure 3 The present invention provides a feeding device for pig breeding, comprising:
[0039] The storage component includes a material storage tank 1 and a water storage tank 2. The material storage tank 1 stores several kinds of feed, and the water storage tank 2 stores water;
[0040] The feeding assembly includes a batching component and a trough 3. The batching component is arranged on the storage tank 1 for mixing feed. The trough 3 is installed in the pig house. The batching component is connected to the trough 3 through a first pipe 4 for feeding feed into the trough 3.
[0041] The cleaning component includes a shielding cover 5 and a cleaning piece. The shielding cover 5 is slidably connected to the trough 3. The cleaning piece is arranged on the shielding cover 5 and is connected to the water storage tank 2. The shielding cover 5 is opened when feeding is carried out, and the shielding cover 5 is closed after feeding is completed, and the trough 3 is cleaned by the cleaning piece.
[0042] Specifically, when in use, according to different feeding needs, several kinds of feed in the storage tank 1 are respectively transported to the mixing part, and ensure that they are evenly mixed. After mixing, they are transported to several troughs 3 in the pig house through the first pipe 4 for feeding. When the feed is finished, the shielding cover 5 is buckled on the trough 3, and the trough 3 is cleaned by the cleaning part to ensure that the trough 3 is clean and tidy, avoid food residue and rot to generate bacteria, and ensure subsequent feeding and healthy growth of pigs.
[0043] As an optional embodiment, the batching member includes: a batching tank 6, fixedly connected to the bottom end of the storage tank 1, and the batching tank 6 is divided into a batching chamber 8 and a stirring chamber 9 by a partition plate 7;
[0044] A batching member is arranged in the batching cavity 8, the batching cavity 8 is connected with the storage tank 1, and the batching member is used to evenly spread the feed transported by the storage tank 1 in the batching cavity 8;
[0045] The stirring device 10 is rotatably connected in the stirring chamber 9 , and the feed evenly spread in the batching chamber 8 is transported to the stirring chamber 9 and stirred by the stirring device 10 .
[0046] In one embodiment of the present invention, referring to Figure 1 The feeds are proportioned and stored by the provided batching components, and then transported to the stirring chamber 9 for uniform stirring by the stirring device 10, and then transported to the plurality of troughs 3 for feeding.
[0047] As an optional embodiment, the batching member includes: a receiving hopper 11, both ends of which are fixedly connected to a rotating shaft 12, and the receiving hopper 11 is rotatably connected in the batching chamber 8 through the rotating shaft 12;
[0048] A feeding pipe 13 is fixedly connected to the bottom end of the receiving hopper 11, and a telescopic pipe 15 is slidably connected to the feeding pipe 13 through a cylinder 14;
[0049] The hydraulic cylinder 16 is fixedly connected to the outer wall of the batching trough 6 , and the telescopic end of the hydraulic cylinder 16 is fixedly connected to a toothed plate 17 , wherein one end of a rotating shaft 12 extends out of the batching trough 6 and is fixedly connected to a first gear 18 , which meshes with the toothed plate 17 .
[0050] In one embodiment of the present invention, referring to Figure 1 The receiving hopper 11 is used to receive the feed and is laid at the bottom of the batching chamber 8 through the provided feeding pipe 13. After laying, the feed is discharged as a whole into the stirring chamber 9 below for stirring.
[0051] Specifically, for several kinds of feed, intermittent cyclic conveying is carried out. Taking two kinds of feed as an example, one of the feeds is conveyed first, and the receiving hopper 11 is driven to rotate, so that the feeding pipe 13 is gradually transferred from one end of the batching chamber 8 to the other end. The feed is conveyed during rotation and laid on the bottom end of the batching chamber 8. On the contrary, it is reset and another kind of feed is conveyed and laid on the bottom feed. The above process is repeated to realize the layered laying of several kinds of feed, and then they are synchronously conveyed to the bottom for mixing, so as to improve the uniformity and efficiency of mixing and ensure subsequent consumption.
[0052] As an optional embodiment, the cleaning part includes: a plurality of spray heads 19, which are respectively fixedly connected to the shielding cover 5 and distributed in an array. A water supply cavity 20 is provided in the shielding cover 5. The spray heads 19 are connected to the water supply cavity 20. The water supply cavity 20 is connected to the water storage tank 2 through a second pipe 21. A discharge port 22 is opened on the food trough 3, and a sealing door panel 23 is provided on the discharge port 22.
[0053] In one embodiment of the present invention, referring to Figure 2 After the feed is eaten, the shielding cover 5 is rotated on the trough 3, and water is sprayed into the trough 3 through the spray head 19 to flush the residue in the trough 3, and the sewage after flushing is discharged from the discharge port 22.
[0054] As an optional embodiment, connecting shafts 24 are rotatably connected to the two inner walls of the trough 3, one end of a support frame 25 is fixedly connected between the two connecting shafts 24, and a cleaning roller 26 is rotatably connected to the other end of the support frame 25. The cleaning roller 26 is in contact with the inner wall of the trough 3, and a motor 27 is fixedly connected to the outer wall of the trough 3, and one end of one connecting shaft 24 passes through the trough 3 and is fixedly connected to the output shaft of the motor 27.
[0055] In one embodiment of the present invention, referring to Figure 2The motor 27 is provided to drive the support frame 25 to rotate, and when the support frame 25 rotates, the cleaning roller 26 is driven to rotate, thereby cleaning the inner wall of the food trough 3.
[0056] As an optional embodiment, grooves 28 are opened on both side walls of the trough 3, and a sealing ring 29 is rotatably connected to the groove 28. One end of the central axis of the cleaning roller 26 passes through the sealing ring 29 and is fixedly connected to a second gear 30. An annular gear plate 31 is fixedly connected in the groove 28, and the second gear 30 is meshed with the annular gear plate 31.
[0057] In one embodiment of the present invention, referring to Figure 3 The sealing ring 29 rotates in the groove 28. When the support frame 25 rotates, the cleaning roller 26 is driven to rotate, and the sealing ring 29 is driven to rotate synchronously. When rotating, the second gear 30 on the cleaning roller 26 rotates under the action of the meshing annular gear plate 31, thereby driving the cleaning roller 26 to rotate, thereby cleaning the inner wall of the trough 3.
[0058] As an optional embodiment, a plurality of material storage chambers 32 are opened in the material storage tank 1, and the bottom ends of the plurality of material storage chambers 32 are respectively fixedly connected to one end of a conveying pipe 33, and the other end of the conveying pipe 33 extends into the batching chamber 8 and is located above the receiving hopper 11.
[0059] In one embodiment of the present invention, referring to Figure 1 The plurality of storage chambers 32 are used to store different feeds, and the plurality of feeds can be mixed according to different feeding requirements. In addition, medicines can also be stored, and the feeds and medicines can be mixed according to the feeding conditions.
[0060] As an optional implementation, a weighing device 34 is provided in the conveying pipeline 33 .
[0061] In one embodiment of the present invention, referring to Figure 2 The weighing device 34 disposed in the conveying pipeline 33 is used to achieve a fixed ratio mixing of multiple feeds. The weighing device 34 is preferably a baffle and is provided with a gravity sensor for detecting the weight of the feed entering the conveying pipeline 33.
[0062] As an optional implementation, a plurality of air outlets 35 and a disinfection device 36 are installed on the shielding cover 5 .
[0063] In one embodiment of the present invention, referring to Figure 2 After cleaning, the food trough 3 is air-dried through the provided air outlet 35 , and the food trough 3 is disinfected through the provided disinfection device 36 .
[0064] Specifically, the air outlet 35 is connected to an external fan, and the disinfection device 36 is preferably an ultraviolet disinfection lamp.
[0065] As an optional implementation, two scrapers 37 are fixedly connected to the support frame 25 , the scrapers 37 are in sliding contact with the food trough 3 , and the cleaning roller 26 is located between the two scrapers 37 .
[0066] In one embodiment of the present invention, referring to Figure 2 The inner wall of the trough 3 is preliminarily cleaned by the scraper 37, and the cleaning roller 26 is located between the two scrapers 37, which is used to rotate and remove the residues adhering to the inner wall of the trough 3 after the scrapers 37 are scraped, thereby ensuring the overall cleaning effect.
[0067] Embodiment 2:
[0068] Reference Figure 4-Figure 5 The difference between this embodiment and the first embodiment is that a grille slot 40 is fixedly connected to the bottom end of the batching chamber 8, a plurality of slide slots 38 are opened on the side wall of the feeding pipe 13, the telescopic tube 15 is slidably connected to the slide slot 38 through a slider 39, a spring 41 is arranged in the slide slot 38, and both ends of the spring 41 are fixedly connected to the slide slot 38 and the slider 39 respectively.
[0069] The top of the grille slot 40 is a semicircular structure, and one end of the telescopic tube 15 is in sliding contact with the semicircular structure, which is used to achieve automatic adjustment of the telescopic tube 15 to ensure uniform and stable feeding of the feed.
[0070] Specifically, the plurality of groove cavities in the grille groove 40 further realizes the uniform separation of the laid feed, and then the feed is uniformly delivered to the stirring chamber 9 for stirring by the stirring device 10, so as to further ensure the uniform mixing.
[0071] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0072] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.
Claims
1. A feeding device for pig farming, characterized in that: include: A storage component, the storage component comprising a material storage tank (1) and a water storage tank (2), the material storage tank (1) storing a plurality of feeds, and the water storage tank (2) storing water; A feeding assembly, comprising a batching component and a trough (3), wherein the batching component is arranged on the material storage tank (1) for preparing feed, and the trough (3) is installed in a piggery, and the batching component is connected to the trough (3) through a first pipe (4) for feeding feed into the trough (3); A cleaning component comprises a shielding cover (5) and a cleaning member, wherein the shielding cover (5) is slidably connected to the feeding trough (3), the cleaning member is arranged on the shielding cover (5) and is connected to the water storage tank (2), and is configured such that when feeding is performed, the shielding cover (5) is opened, and when feeding is completed, the shielding cover (5) is closed, and the feeding trough (3) is cleaned by the cleaning member.
2. A feeding device for pig farming according to claim 1, characterized in that: The ingredients include: A batching trough (6) is fixedly connected to the bottom end of the material storage tank (1), and the batching trough (6) is divided into a batching chamber (8) and a stirring chamber (9) by a partition plate (7); a batching member, arranged in the batching cavity (8), the batching cavity (8) being in communication with the material storage tank (1), the batching member being used to evenly spread the feed transported by the material storage tank (1) in the batching cavity (8); The stirring device (10) is rotatably connected in the stirring chamber (9), and the feed evenly spread in the batching chamber (8) is transported to the stirring chamber (9) and stirred by the stirring device (10).
3. A feeding device for pig farming according to claim 2, characterized in that: The ingredients include: A material receiving hopper (11), both ends of which are respectively fixedly connected with a rotating shaft (12), and the material receiving hopper (11) is rotatably connected to the material dispensing chamber (8) via the rotating shaft (12); A feeding pipe (13) is fixedly connected to the bottom end of the receiving hopper (11), and a telescopic pipe (15) is slidably connected to the feeding pipe (13) via a cylinder (14); A hydraulic cylinder (16) is fixedly connected to the outer wall of the dosing trough (6), and the telescopic end of the hydraulic cylinder (16) is fixedly connected to a toothed plate (17), wherein one end of the rotating shaft (12) extends out of the dosing trough (6) and is fixedly connected to a first gear (18), and the first gear (18) is meshed with the toothed plate (17).
4. A feeding device for pig farming according to claim 1, characterized in that: The cleaning component comprises: a plurality of spray heads (19) which are respectively fixedly connected to the shielding cover (5) and are distributed in an array; a water delivery chamber (20) is provided in the shielding cover (5); the spray heads (19) are in communication with the water delivery chamber (20); the water delivery chamber (20) is in communication with the water storage tank (2) via a second pipe (21); a discharge port (22) is provided on the food trough (3); and a sealing door plate (23) is provided on the discharge port (22).
5. A feeding device for pig farming according to claim 4, characterized in that: The two inner side walls of the trough (3) are rotatably connected to connecting shafts (24), one end of a support frame (25) is fixedly connected between the two connecting shafts (24), and the other end of the support frame (25) is rotatably connected to a cleaning roller (26), the cleaning roller (26) is in contact with the inner wall of the trough (3), and a motor (27) is fixedly connected to the outer side wall of the trough (3), wherein one end of one of the connecting shafts (24) passes through the trough (3) and is fixedly connected to the output shaft of the motor (27).
6. A feeding device for pig breeding according to claim 5, characterized in that: Grooves (28) are provided on both side walls of the trough (3), a sealing ring (29) is rotatably connected to the groove (28), one end of the central axis of the cleaning roller (26) passes through the sealing ring (29) and is fixedly connected to a second gear (30), an annular toothed plate (31) is fixedly connected in the groove (28), and the second gear (30) is meshed with the annular toothed plate (31).
7. A feeding device for pig farming according to claim 3, characterized in that: The material storage tank (1) is provided with a plurality of material storage chambers (32), the bottom ends of the plurality of material storage chambers (32) are respectively fixedly connected to one end of a conveying pipe (33), and the other end of the conveying pipe (33) extends into the material dispensing chamber (8) and is located above the receiving hopper (11).
8. A feeding device for pig farming according to claim 7, characterized in that: A weighing device (34) is arranged in the conveying pipeline (33).
9. A feeding device for pig farming according to claim 4, characterized in that: A plurality of air outlets (35) and a disinfection device (36) are installed on the shielding cover (5).
10. A feeding device for pig farming according to claim 5, characterized in that: Two scrapers (37) are fixedly connected to the support frame (25), the scrapers (37) are in sliding contact with the food trough (3), and the cleaning roller (26) is located between the two scrapers (37).