A drying and sizing system for a particulate pet food

Abstract

The application discloses a kind of drying screening systems of granular pet food, it is related to pet food processing technical field, the brake shaft is connected with screening web belt drive by traction roller shaft, the two sides of the belt surface of screening web belt are symmetrically provided with the brake gear belt that is meshed with brake gear, the inside of the box of screening box is provided with the screening roller mill mechanism opposite to screening web belt.The design advances the screening of granular pet food push simultaneously, based on the advancing thrust of screening web belt, the first turnover roll, the second turnover roll in screening roller mill mechanism are pushed to rotate in positive direction and reverse direction, and the screening web belt is cyclically supported, the granular pet food on screening web belt is pushed to cyclically fluctuate left and right, and unqualified products such as powder are screened out, which has more gentle screening performance, can effectively reduce the collision of granular pet food screening, ensures the screening integrity of granular pet food, and improves screening quality.

Description

Technical Field

[0001] This invention relates to the field of pet food processing, and more particularly to a drying and sieving system for granular pet food. Background Technology

[0002] With the popularization of scientific pet care concepts among consumers, the promotion of pet food has become increasingly widespread. As food specifically provided for pets, pet food is loved by a wide range of consumers because of its advantages such as comprehensive nutrition, high digestibility and absorption rate, scientific formula, convenient feeding, and ability to prevent certain diseases. Moreover, since pet food is consumed throughout the entire life cycle of pets, the daily demand is huge, and the market prospects are particularly promising.

[0003] Pet food is mainly divided into two types: dry food and wet food. Dry food is usually produced in pellet form, such as dog food and cat food. It is typically dried using methods like freeze-drying or air-drying to shape the pellets for easy packaging and sale. However, during the production and processing of pelleted pet food, some powder or other substandard products inevitably remain. Direct packaging can easily affect the sales quality. Therefore, after pelleting, a screening system is usually used for pre-screening. For example, a pet food pellet forming, drying, and screening system (publication number CN116475056A) disclosed on the China Patent Network uses a screening cylinder assembly, a screening inner liner assembly, and a horizontal rocker arm assembly to form a complete screening unit after the pet food pellets have been formed and dried. This unit enables the pet food pellets to be screened by reciprocating vibration in the horizontal direction. However, the pet food pellet screening systems disclosed in the aforementioned patents and those currently used in the market have some shortcomings: While existing methods using reciprocating vibration to screen pet food pellets can remove powder and other defective products, the collisions and vibrations between the pellets themselves can easily break even qualified pellets, resulting in low screening quality and a high scrap rate. Therefore, those skilled in the art have provided a drying and screening system for pellet pet food to address the problems mentioned in the background section. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a drying and sieving system for granular pet food, which solves the problems of low sieving quality and high scrap rate in existing granular pet food sieving systems mentioned in the background.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solution: a drying and sieving system for granular pet food, comprising two sets of horizontally opposite sieving conveyor frames; Brake shafts are installed at both ends of the support of the screening transmission frame. A traction roller shaft is provided in the middle of the shaft of the brake shaft, and the brake shaft is connected to the screening mesh belt through the traction roller shaft. Brake gears are symmetrically arranged on both sides of the shaft of the brake shaft opposite to the traction roller shaft. Brake toothed belts that mesh with the brake gears are symmetrically arranged on both sides of the belt surface of the screening mesh belt. The screening conveyor frame support is provided with a screening box inside along the conveying direction of the screening mesh belt, and the screening box is provided with a screening roller grinding mechanism opposite to the screening mesh belt inside the box. A brake motor is installed at one end of the base frame of the screening and conveying frame, and a flip-plate feeding mechanism is installed at one end of the top frame of the screening and conveying frame. The brake motor, the flip-plate feeding mechanism, and the brake shaft are connected by a brake belt drive.

[0006] As a further technical solution of the present invention: the belt surface of the screening mesh is arranged in an array with multiple sets of screening holes, and the screening holes are horizontally opposite to the opening of the screening box.

[0007] As a further technical solution of the present invention: the brake toothed belt includes a transmission rack that meshes with the brake gear and a material limiting baffle that protrudes upward horizontally from the surface of the screening mesh belt, and the brake toothed belt is integrally connected with the screening mesh belt.

[0008] As a further technical solution of the present invention: the screening roller mill mechanism includes multiple sets of first and second collection box frames arranged in an alternating manner inside the screening box body. The first collection box frame has a first drive shaft rotatably connected to the center of its chamber, which is opposite to the brake toothed belt. The outer side of the shaft of the first drive shaft is fitted with a first turning roller that supports the screening mesh belt. The bottom of the first collection box frame is provided with a first grinding thread. The second collection box frame has a second drive shaft rotatably connected to the center of its chamber, which is opposite to the brake toothed belt. The outer side of the shaft of the second drive shaft is fitted with a second turning roller that supports the screening mesh belt. The bottom of the second collection box frame is provided with a second grinding thread.

[0009] As a further technical solution of the present invention: both ends of the shaft of the first transmission shaft are equipped with first transmission gears, and the first transmission gears are connected to the brake belt drive through the first linkage gear installed on the screening box. The second drive shaft has a second drive gear installed at both ends. One side of the second drive gear is meshed with a transfer gear installed on the screening box. The second drive gear is connected to the brake belt drive through a second linkage gear installed on the screening box.

[0010] As a further technical solution of the present invention: the first turning roller is a 90° roller shaft structure, and the first turning roller includes a first flipping roller and a first pushing filament disposed on the first flipping roller. The first pushing filament and the first grinding filament mesh with each other, and both the first pushing filament and the first grinding filament are spiral structures. The second turning roller has a 90° roller shaft structure, and the second turning roller includes a second turning roller and a second pushing filament disposed on the second turning roller. The second pushing filament and the second grinding filament mesh with each other, and both the second pushing filament and the second grinding filament have a spiral structure.

[0011] As a further technical solution of the present invention: a plurality of slag discharge pipes are arranged on one side of the screening box, which are connected to the first collection box frame and the second collection box frame.

[0012] As a further technical solution of the present invention: a feeding guide platform is installed on one side of the screening box, which is horizontally opposite to the screening mesh belt, and a discharging guide platform is installed on the other side of the screening box, which is horizontally opposite to the screening mesh belt.

[0013] As a further technical solution of the present invention: the tipping plate feeding mechanism includes an integrally connected tipping bin and a feeding bin opening. The tipping bin is rotatably connected to a rotating shaft inside the bin body, and multiple sets of unloading tipping plates are arranged along the circumference of the rotating shaft.

[0014] As a further technical solution of the present invention: a first pulley is provided at one end of the output shaft of the brake motor, a second pulley is provided at one end of the rotating shaft of the flip plate feeding mechanism, and a third pulley is provided at one end of the shaft of the brake shaft, and the first pulley, the second pulley, and the third pulley are connected by a brake belt drive.

[0015] This invention provides a drying and sieving system for granular pet food, which has the following advantages compared with the prior art: 1. In the screening process of granular pet food, the screening system of this design uses a brake motor as the drive source. On the one hand, it drives the tipping plate feeding mechanism to feed the granular pet food onto the screening mesh belt in a quantitative manner. On the other hand, it pushes the granular pet food on the screening mesh belt forward to carry out the screening process. While the granular pet food is being pushed forward, the forward thrust of the screening mesh belt drives the first and second tipping rollers in the screening roller mill mechanism to rotate in both directions, cyclically supporting the screening mesh belt and causing the granular pet food on the screening mesh belt to circulate dynamically from side to side, screening out unqualified products such as powder. It has a smoother screening performance, which can effectively reduce the collision of granular pet food during screening, ensure the integrity of granular pet food screening, and improve screening quality.

[0016] 2. When screening granular pet food, the screening system of this design utilizes the cyclic rotation of the first and second turning rollers in the screening roller mill mechanism. Simultaneously, it engages with the first and second grinding threads to perform a synchronous grinding process on unqualified pet food. The unqualified pet food is then spirally ejected after grinding, reducing the intensity of subsequent recycling operations, improving the multi-functional linkage of the screening system, and making it more conducive to widespread use. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a drying and sieving system for granular pet food; Figure 2 A partial cross-sectional view of a drying and sieving system for granular pet food; Figure 3 This is a schematic diagram of the transmission of the screening belt in a drying and screening system for granular pet food. Figure 4 A schematic diagram of the screening roller mill mechanism in a drying and screening system for granular pet food; Figure 5 A partial cross-sectional view of the screening roller mill mechanism in a drying and screening system for granular pet food; Figure 6 This is a schematic diagram of the flip-plate feeding mechanism in a drying and sieving system for granular pet food.

[0018] In the diagram: 1. Screening conveyor frame; 2. Slag discharge pipe; 3. Brake band; 4. Brake motor; 41. First pulley; 5. Tilting plate feeding mechanism; 51. Tilting hopper; 52. Feeding hopper opening; 53. Rotating shaft; 54. Second pulley; 55. Discharge tilting plate; 6. Brake shaft; 61. Third pulley; 7. Screening mesh belt; 8. Screening discharge holes; 9. Screening box; 10. Brake gear; 11. Brake toothed belt; 111. Transmission rack; 112. Material limiting belt; 12. First linkage gear; 13. Second linkage gear 14. Traction roller shaft; 15. Feeding guide platform; 16. Unloading guide platform; 17. First collection box frame; 18. First turning roller; 181. First turning roller; 182. First pushing thread; 19. Second collection box frame; 20. Second turning roller; 201. Second turning roller; 202. Second pushing thread; 21. First transmission gear; 22. Intermediate gear; 23. Second transmission gear; 24. First transmission shaft; 25. First grinding thread; 26. Second transmission shaft; 27. Second grinding thread. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0020] Please see Figure 1-6 This invention provides a technical solution for a drying and sieving system for granular pet food: A drying and sieving system for granular pet food includes two sets of horizontally opposite sieving conveyor frames 1. A brake motor 4 is installed at one end of the base frame of the sieving conveyor frame 1, and a flip-plate feeding mechanism 5 is installed at one end of the top frame of the sieving conveyor frame 1. The brake motor 4, the flip-plate feeding mechanism 5, and the brake shaft 6 are connected by a brake band 3. A first pulley 41 is provided at one end of the output shaft of the brake motor 4, a second pulley 54 is provided at one end of the rotating shaft of the flip-plate feeding mechanism 5, and a third pulley 61 is provided at one end of the shaft of the brake shaft 6. The first pulley 41, the second pulley 54, and the third pulley 61 are connected by a brake band 3. By controlling the brake motor 4 as a power source, and with the corresponding first pulley 41, second pulley 54, and third pulley 61 connected by the brake band 3, the corresponding components are driven to operate, performing an integrated sieving and grinding process on the granular pet food.

[0021] The tipping feeding mechanism 5 includes an integrally connected tipping bin 51 and a feeding bin opening 52. The tipping bin 51 is rotatably connected to a rotating shaft 53, and multiple sets of unloading tipping plates 55 are arranged along the circumference of the shaft of the rotating shaft 53. The combination of the feeding bin opening 52 and the tipping bin 51 in the tipping feeding mechanism 5 serves as a feeding hopper. Under the combination of the rotating shaft 53 and the unloading tipping plates 55, the granular pet food is quantitatively tipped and unloaded and spread flat on the screening mesh belt 7 to improve the screening stability and comprehensiveness of the granular pet food.

[0022] Brake shafts 6 are installed at both ends of the support of the screening conveyor frame 1. A traction roller shaft 14 is set in the middle of the shaft of the brake shaft 6. The brake shaft 6 is connected to the screening mesh belt 7 through the traction roller shaft 14. The screening mesh belt 7 has multiple sets of screening holes 8 arranged in an array on its surface. The screening holes 8 are horizontally opposite to the opening of the screening box 9. By arranging and opening the screening holes 8 on the screening mesh belt 7, the granular pet food laid and pushed on the screening mesh belt 7 is screened. Unqualified pet food such as powder is screened into the screening box 9 for integrated collection and processing.

[0023] Brake gears 10 are symmetrically arranged on both sides of the shaft of brake shaft 6 opposite to the traction roller shaft 14. Brake toothed belts 11 are symmetrically arranged on both sides of the belt surface of screening screen belt 7, which mesh with the brake gears 10. Brake toothed belts 11 include a transmission rack 111 that meshes with the brake gears 10 and a material limiting baffle 112 that protrudes upward horizontally from the belt surface of screening screen belt 7. Brake toothed belts 11 are integrally connected to screening screen belt 7. By utilizing the meshing transmission between brake toothed belts 11 and brake gears 10, they can serve as a power source to push screening screen belt 7 forward smoothly on the one hand, and to drive the screening roller mill mechanism to operate in conjunction on the other hand. Furthermore, by setting brake toothed belts 11 higher than screening screen belt 7, it can prevent the granular pet food on screening screen belt 7 from spilling.

[0024] A screening box 9 is arranged inside the support frame 1 along the transmission direction of the screening mesh belt 7. Inside the screening box 9, a screening roller mill mechanism is installed opposite to the screening mesh belt 7. The screening roller mill mechanism includes multiple sets of first collection box frames 17 and second collection box frames 19 arranged in a staggered manner inside the screening box 9. A first drive shaft 24, opposite to the brake toothed belt 11, is rotatably connected to the center of the chamber of the first collection box frame 17. A first turning roller 18, supporting the screening mesh belt 7, is sleeved on the outer side of the shaft of the first drive shaft 24. Both ends of the shaft of the first drive shaft 24 are... A first transmission gear 21 is installed, and the first transmission gear 21 is connected to the brake belt 11 via a first linkage gear 12 installed on the screening box 9. While the brake belt 11 is driving, the first transmission gear 21 is driven to rotate synchronously by the intermediate transmission of the first linkage gear 12. This, in turn, drives the combination of the first transmission shaft 24 and the first turning roller 18 to rotate synchronously along the transmission direction of the brake belt 11. While the first turning roller 18 is cyclically turning, it supports the screening mesh belt 7, causing the granular pet food on its surface to fluctuate dynamically, thereby improving the screening efficiency of the granular pet food.

[0025] The second collection box frame 19 has a second drive shaft 26 rotatably connected to the center of its chamber, which is opposite to the brake belt 11. A second turning roller 20 supporting the screening mesh belt 7 is sleeved on the outer side of the shaft of the second drive shaft 26. A second drive gear 23 is installed at both ends of the shaft of the second drive shaft 26. A central gear 22 installed on the screening box 9 is meshed with one side of the second drive gear 23. The second drive gear 23 is connected to the brake belt 11 through a second linkage gear 13 installed on the screening box 9. While the brake belt 11 is driving, the central linkage gear 13 drives the second drive gear 23 to rotate synchronously under the steering drive of the central gear 22. This drives the combination of the second drive shaft 26 and the second turning roller 20 to rotate synchronously in the opposite direction of the transmission direction of the brake belt 11. While the second turning roller 20 is cyclically turning, it supports the screening mesh belt 7, causing the granular pet food on its surface to fluctuate dynamically, thereby improving the screening efficiency of the granular pet food.

[0026] The bottom of the first collection box frame 17 is provided with a first grinding tooth 25. The first turning roller 18 has a 90° roller shaft structure and includes a first turning roller 181 and a first pushing tooth 182 disposed on the first turning roller 181. The first pushing tooth 182 meshes with the first grinding tooth 25, and both the first pushing tooth 182 and the first grinding tooth 25 have a spiral structure. By setting the first pushing tooth 182 of the first turning roller 18 to be higher than the screening box 9, The mouth, using its protruding serrated part, circulates and supports the screening mesh belt 7, causing the pet food pellets on its surface to dynamically fluctuate and flow along the screening mesh belt 7. While flowing, the unqualified products inside are screened into the first collection box frame 17. Then, the first pushing serrated part 182 on the first turning roller 18 and the first grinding serrated part 25 are spirally engaged to grind and push the unqualified pet food directly, thereby reducing the intensity of subsequent operation.

[0027] The bottom of the second collection box frame 19 is provided with a second grinding tooth 27. The second turning roller 20 has a 90° roller shaft structure and includes a second turning roller 201 and a second pushing tooth 202 disposed on the second turning roller 201. The second pushing tooth 202 and the second grinding tooth 27 mesh with each other, and both the second pushing tooth 202 and the second grinding tooth 27 have a spiral structure. By setting the second pushing tooth 202 of the second turning roller 20 to be higher than the screening box 9, The screen belt 7 is supported by the protruding serrated part of the screen, which pushes the pet food pellets on the screen belt surface to move dynamically and flow along the screen belt surface. While flowing, the unqualified products inside are screened into the second collection box frame 19. Then, the unqualified pet food pellets are spirally ground and pushed by the spiral engagement of the second pushing serrated part 202 and the second grinding serrated part 27 on the second turning roller 20, so as to directly grind and process the unqualified pet food pellets and reduce the intensity of subsequent operation.

[0028] The screening box 9 has multiple sets of slag discharge ports 2 arranged on one side of the box body, which are connected to the first collection box frame 17 and the second collection box frame 19. The screening box 9 has a feeding guide platform 15 installed on one side of the box body, which is horizontally opposite to the screening mesh belt 7. The screening box 9 has a discharge guide platform 16 installed on the other side of the box body, which is horizontally opposite to the screening mesh belt 7. The screening box 9 collects unqualified pet food and collects the unqualified pet food into the first collection box frame 17 and the second collection box frame 19. After grinding, the unqualified pet food is discharged sequentially through the slag discharge ports 2. By setting the feeding guide platform 15 and the discharge guide platform 16 on both sides of the screening box 9, the transmission braking stability of the screening mesh belt 7 can be improved.

[0029] The working principle of this invention is as follows: When using a screening system to screen dried granular pet food, the granular pet food to be screened is circulated into the flip-plate feeding mechanism 5. Then, the brake motor 4 is controlled to work. Under the transmission of the brake belt 3, it serves as a power source. On the one hand, it drives the rotating shaft 53 and the unloading flip plate 55 in the flip-plate feeding mechanism 5 to rotate, quantitatively flipping and unloading the granular pet food and spreading it flat on the screening mesh belt 7 for screening. On the other hand, it drives the combination of the brake shaft 6, brake gear 10, and traction roller shaft 14 to rotate, pushing the screening mesh belt 7 and the brake toothed belt 11 to rotate synchronously, pushing the granular pet food forward for screening. While the brake belt 11 is driven, on the one hand, the first transmission gear 21 is driven to rotate synchronously by the intermediate transmission of the first linkage gear 12, which in turn drives the combination of the first transmission shaft 24 and the first turning roller 18 to rotate synchronously along the transmission direction of the brake belt 11. While the first turning roller 18 is cyclically flipping, it supports the screening mesh belt 7 and pushes the granular pet food on its surface to fluctuate dynamically. On the other hand, the second transmission gear 23 is driven to rotate synchronously by the intermediate transmission of the second linkage gear 13 and the steering transmission of the intermediate gear 22, which in turn drives the combination of the second transmission shaft 26 and the second turning roller 20 to rotate synchronously in the opposite direction along the transmission direction of the brake belt 11. While the second turning roller 20 is cyclically flipping, it supports the screening mesh belt 7 and pushes the granular pet food on its surface to fluctuate dynamically, forming a left-right relative supporting and pushing state. The granular pet food on the screening mesh belt 7 is dynamically pushed and screened through the screening holes 8 on its surface. The screening is smoother, more stable, and the collision rejection rate is lower. Simultaneously, while screening granular pet food, substandard pet food is screened into screening box 9 and falls into the corresponding first collection box frame 17 and second collection box frame 19. During the cyclical rotation of the first turning roller 18 and the second turning roller 20, the first pushing screw 182 on the first turning roller 18 engages with the first grinding screw 25 to spirally grind and push the substandard pet food in the first collection box frame 17. Simultaneously, the second pushing screw 202 on the second turning roller 20 engages with the first grinding screw 25. The spiral engagement of the second grinding thread 27 pushes the unqualified pet food into the spiral grinding process, directly grinding the unqualified pet food and gradually discharging it through the slag discharge port 2 under the action of the spiral. Meanwhile, qualified granular pet food is transported by the circulating conveyor belt 7 and discharged through the other end, performing a smoother and more stable screening process for the granular pet food. At the same time, the unqualified products screened out are ground in a linkage manner, improving the integrated linkage performance and enhancing the multi-functionality of the screening system.

[0030] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the art.

Claims

1. A drying and sieving system for granular pet food, characterized in that, Includes two sets of horizontally opposite screening conveyor frames (1); Brake shafts (6) are installed at both ends of the support of the screening transmission frame (1). A traction roller shaft (14) is provided in the middle of the shaft of the brake shaft (6), and the brake shaft (6) is connected to the screening mesh belt (7) through the traction roller shaft (14). Brake gears (10) are symmetrically arranged on both sides of the shaft of the brake shaft (6) opposite to the traction roller shaft (14). Brake toothed belts (11) that mesh with the brake gears (10) are symmetrically arranged on both sides of the belt surface of the screening mesh belt (7). The screening conveyor frame (1) has a screening box (9) inside the support along the transmission direction of the screening mesh belt (7), and the screening box (9) has a screening roller grinding mechanism opposite to the screening mesh belt (7) inside the box. The bottom frame of the screening transmission frame (1) is equipped with a brake motor (4) and the top frame of the screening transmission frame (1) is equipped with a flip plate feeding mechanism (5). The brake motor (4), the flip plate feeding mechanism (5) and the brake shaft (6) are connected by a brake band (3). The screening roller mill mechanism includes multiple sets of first collection box frames (17) and second collection box frames (19) arranged in an alternating pattern inside the screening box (9). The first collection box frame (17) has a first drive shaft (24) rotatably connected to the middle of its chamber, which is opposite to the brake toothed belt (11). The shaft of the first drive shaft (24) is sleeved with a first turning roller (18) that supports the screening mesh belt (7). The bottom of the first collection box frame (17) is provided with a first grinding thread (25). The second collection box frame (19) has a second drive shaft (26) rotatably connected to the middle of its chamber, which is opposite to the brake toothed belt (11). The shaft of the second drive shaft (26) is sleeved with a second turning roller (20) that supports the screening mesh belt (7). The bottom of the second collection box frame (19) is provided with a second grinding thread (27). The first transmission shaft (24) has a first transmission gear (21) installed at both ends of the shaft, and the first transmission gear (21) is connected to the brake belt (11) through the first linkage gear (12) installed on the screening box (9). The second drive shaft (26) has a second drive gear (23) installed at both ends of the shaft. The second drive gear (23) is meshed with a central gear (22) installed on the screening box (9) on one side. The second drive gear (23) is connected to the brake belt (11) through the second linkage gear (13) installed on the screening box (9). The first turning roller (18) has a 90° roller shaft structure, and the first turning roller (18) includes a first turning roller (181) and a first pushing thread (182) disposed on the first turning roller (181). The first pushing thread (182) meshes with the first grinding thread (25), and both the first pushing thread (182) and the first grinding thread (25) are spiral structures. The second turning roller (20) has a 90° roller shaft structure, and the second turning roller (20) includes a second turning roller (201) and a second pushing thread (202) disposed on the second turning roller (201). The second pushing thread (202) meshes with the second grinding thread (27), and both the second pushing thread (202) and the second grinding thread (27) are spiral structures.

2. The drying and sieving system for granular pet food according to claim 1, characterized in that, The screening mesh belt (7) has multiple sets of screening holes (8) arranged in an array on its surface, and the screening holes (8) are horizontally opposite to the opening of the screening box (9).

3. The drying and sieving system for granular pet food according to claim 1, characterized in that, The brake toothed belt (11) includes a transmission rack (111) that meshes with the brake gear (10) and a material limiting baffle (112) that protrudes upward from the horizontal surface of the screening mesh belt (7), and the brake toothed belt (11) is integrally connected with the screening mesh belt (7).

4. The drying and sieving system for granular pet food according to claim 1, characterized in that, The screening box (9) has multiple sets of slag discharge ports (2) arranged on one side of the box body, which are connected to the first collection box frame (17) and the second collection box frame (19).

5. The drying and sieving system for granular pet food according to claim 1, characterized in that, The screening box (9) has a feeding guide platform (15) installed on one side of the box body, which is horizontally opposite to the screening mesh belt (7), and a discharge guide platform (16) installed on the other side of the screening box (9), which is horizontally opposite to the screening mesh belt (7).

6. The drying and sieving system for granular pet food according to claim 1, characterized in that, The tipping loading mechanism (5) includes an integrally connected tipping bin (51) and loading bin opening (52). The tipping bin (51) is rotatably connected to a rotating shaft (53), and the shaft of the rotating shaft (53) is arranged with multiple sets of unloading tipping plates (55) along its circumference.

7. The drying and sieving system for granular pet food according to claim 1, characterized in that, The output shaft of the brake motor (4) is provided with a first pulley (41), the rotating shaft of the flip plate loading mechanism (5) is provided with a second pulley (54), and the shaft of the brake shaft (6) is provided with a third pulley (61). The first pulley (41), the second pulley (54), and the third pulley (61) are connected by a brake band (3).

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