An automatic slurry-wrapping pet food spraying device

The design of the automatic coating pet food spraying equipment solves the problems of uneven spraying and tedious cleaning, achieving uniform coating and rapid cleaning, thus improving the quality of pet food and the cleaning efficiency of the equipment.

CN224330303UActive Publication Date: 2026-06-09TAIAN TAICHONG PET FOOD CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TAIAN TAICHONG PET FOOD CO LTD
Filing Date
2025-06-16
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing pet food spraying equipment is prone to internal buildup of grease and slurry when spraying, leading to the growth of microorganisms. Cleaning is tedious and time-consuming, and the spraying is uneven, affecting food quality.

Method used

The automatic slurry-coating pet food spraying equipment utilizes components such as a slurry spraying pipe, a turning rack, a threaded rod, and an impact pipe. High-pressure airflow and heating components enable uniform slurry spraying and rapid cleaning, while a scraper removes adhering substances, ensuring the cleanliness of the equipment's interior.

Benefits of technology

It achieves uniform coating of pet food surface with slurry, reducing cleaning difficulty and time, increasing cleaning speed, and ensuring food quality and equipment hygiene.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224330303U_ABST
Patent Text Reader

Abstract

This utility model discloses an automatic coating pet food spraying device, belonging to the field of pet food processing technology. It includes a machine body with a rectangular upper end and a semi-circular lower end. Frames are fixedly installed on both sides of the outer walls at both ends of the machine body. A first drive motor is fixedly installed on the lower end of one outer wall of the machine body, and a material-turning frame is fixedly installed at the output end of the first drive motor. In this utility model, starting the second drive motor causes two threaded rods to rotate simultaneously, causing two hanging pipes, along with two diverter frames and the first, second, and third impact pipes, to move horizontally along the machine body. Simultaneously, a high-pressure airflow is introduced into the heating box through the air guide pipe. This causes multiple nozzles of the first impact pipe, two impact ports of the second impact pipe, and two pressurized air rings of the third impact pipe to impact the lower end of the machine body's interior and the lower end of the outer circumference of the sleeve, peeling off the adhering mixture through the high-speed airflow and pushing the fallen mixture towards the drainage channel.
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Description

Technical Field

[0001] This utility model relates to the field of pet food processing technology, and in particular to an automatic coating pet food spraying device. Background Technology

[0002] Pet food is a high-end animal food specifically designed for pets and small animals, falling between human food and traditional livestock feed. Its primary function is to provide various pets with the basic nutrients necessary for survival, growth, development, and health. It boasts advantages such as comprehensive nutrition, high digestibility and absorption, scientifically formulated, quality-standardized, convenient feeding, and the potential to prevent certain diseases. Pet food undergoes multiple processing steps, including drying and then coating. The ability of pets to directly perceive the taste and aroma of the ingredients is crucial; therefore, powdered or paste-like flavor enhancers and oils are sprayed onto the surface of pet food to enhance its appeal and make it more acceptable and edible for pets.

[0003] A search revealed a patent with publication number CN207287884U entitled "A Liquid Spraying System for Pet Food Production." The technical problem it addresses is the difficulty in uniformly spraying pet food, resulting in some pet food surfaces having more nutritional additives than others. This makes it difficult to accurately control the amount of nutritional additives ingested by pets, and the distribution of meat paste is also uneven. The system uses a feeding hopper, mixer, and loss-in-weight powder addition system to add pet food to a rotating mixing chamber. A vacuum liquid spraying device then sprays the nutritional additive liquid containing meat paste from the mixing chamber onto the pet food. A servo motor controls the rotation of the mixing chamber to ensure uniform spraying of the pet food within. However, the following drawbacks still need to be addressed: Each batch of pet food is sequentially sprayed with oil, paste, and powder. During the paste spraying process, a mixture of paste, oil, and pet food accumulates inside the machine, leading to microbial growth and affecting the quality of the pet food. Manual cleaning is too tedious and time-consuming. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing an automatic coating pet food spraying device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An automatic pet food coating spraying device includes a body with a rectangular upper end and a semi-circular lower end. Frames are fixedly installed on both sides of the outer walls at both ends of the body. A first drive motor is fixedly installed on the lower end of one outer wall of the body, and a material-turning frame is fixedly installed at the output end of the first drive motor. Sleeves are installed on both sides of the circumference of the material-turning frame via bearings. Several slurry spraying pipes are installed in the middle of opposite ends of the material-turning frame via bearings. Threaded rods are rotatably installed between the two ends of the inner walls on both sides of the body, and a moving block is rotatably sleeved on the outer circumference of each threaded rod. A hanging pipe is fixedly installed at the bottom end of each moving block, and a diverting frame is fixedly installed at the bottom end of each hanging pipe. A first impact pipe, a second impact pipe, and a third impact pipe are sequentially fixedly connected between the bottom ends of two diverting frames. A heating box is fixedly installed on the upper end of one outer wall of the body, and an air guide pipe is fixedly connected to the middle of one side of the heating box. Telescopic pipes are fixedly connected to the two ends of the other end of the heating box and the circumferences of the two hanging pipes, respectively.

[0007] Preferably, a discharge cylinder is fixedly connected to one side of the bottom of the machine body, a feeding channel is opened on the other side of the top of the machine body, and a sewage discharge channel is fixedly installed on the other side of the bottom of the machine body. The feeding channel is fixedly located between the top of the machine body and the top of the sleeve circumference.

[0008] Preferably, a limiting frame is fixedly installed on the other side of the top of the machine body, and the limiting frame is located on the outside of the top of the feeding channel. A push-pull plate is slidably installed between the inside of the limiting frame and the top of the machine body.

[0009] Preferably, the two threaded rods penetrate the machine body and extend to one side of the outer wall of the machine body. Each of the two threaded rods is fixedly mounted with a pulley on one side, and a conveyor belt is sleeved between the two pulleys. A second drive motor is fixedly mounted at the top of the outer wall of one side of the machine body, and the output end of the second drive motor is fixedly mounted with the input end of one of the threaded rods.

[0010] Preferably, the heating box has multiple sets of heating components at both ends, and each set of heating components consists of two heating rods and a heat transfer column arranged in an isosceles triangle.

[0011] Preferably, the centers of the first impact tube, the second impact tube, and the third impact tube coincide with the sleeve, and the first impact tube, the second impact tube, and the third impact tube are all located between the bottom circumference of the sleeve and the inner wall of the bottom end of the machine body.

[0012] Preferably, scrapers are fixedly connected to the top and bottom of the outer circumference of the first impact tube, and multiple nozzles at equal angles are fixedly connected to the lower end of the first impact tube at an incline, with the nozzle outlets located at the top of the inner circumference of the body. Impact ports are provided at the top and bottom of the circumference of the second impact tube. Two pressurized air rings are opened on one side of the circumference of the third impact tube, and the outlets of the two pressurized air rings face the inner circumference of the body and the lower end of the circumference of the sleeve, respectively.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. This utility model proposes an automatic slurry-coating pet food spraying device. Several slurry spraying pipes spray slurry onto pet food inside a sleeve. Simultaneously, a first drive motor operates, causing a turning frame inside the sleeve to turn the pet food, helping to evenly coat the pet food surface with slurry. After prolonged use, the machine stops spraying slurry onto the pet food, and a second drive motor is started. Under the transmission effect of the conveyor belt, two threaded rods rotate simultaneously, causing two hanging pipes, along with two diverting frames and the first, second, and third impact pipes, to move horizontally along the machine body. At the same time, a high-pressure airflow is introduced into the heating box through the air guide pipe. This causes multiple nozzles of the first impact pipe, two impact ports of the second impact pipe, and two pressurized air rings of the third impact pipe to impact the lower end of the machine body and the lower end of the outer circumference of the sleeve, peeling off the adhering mixture through the high-speed airflow and pushing the fallen mixture towards the drain channel. The airflow also heats up, aiding in the melting of grease, slurry, and the mixture, reducing cleaning difficulty and increasing cleaning speed.

[0015] 2. The present invention proposes an automatic coating pet food spraying device. Scrapers are fixedly connected to the top and bottom of the outer wall of the first impact tube, which can quickly scrape off the mixture condensed at the lower end of the machine body and the lower end of the outer wall of the sleeve, thereby accelerating cleaning. Multiple heating components are set at both ends of the heating box, and each heating component consists of two electric heating rods and a heat transfer column arranged in an isosceles triangle. This makes the airflow temperature difference between the telescopic tube and the hanging tube small, so that the cleaning performance of each part of the first impact tube, the second impact tube and the third impact tube remains uniform. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of an automatic coating pet food spraying device proposed in this utility model;

[0017] Figure 2 This is a right-side structural schematic diagram of an automatic coating pet food spraying device proposed in this utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of an automatic coating pet food spraying device proposed in this utility model;

[0019] Figure 4 This is a schematic diagram of the hanging pipe of an automatic coating pet food spraying device proposed in this utility model;

[0020] Figure 5 This is a schematic diagram of the heating box of an automatic coating pet food spraying device proposed in this utility model.

[0021] In the diagram: 1. Machine body, 2. Frame, 3. Feeding channel, 4. Limiting frame, 5. Push-pull plate, 6. Discharge cylinder, 7. Sleeve, 8. Tilting frame, 9. Slurry spraying pipe, 10. Drainage channel, 11. Pulley, 12. Conveyor belt, 13. Second drive motor, 14. Threaded rod, 15. Moving block, 16. Heating box, 17. Air guide pipe, 18. First drive motor, 19. Heating rod, 20. Heat transfer column, 21. Hanging pipe, 22. Diverter frame, 23. First impact pipe, 24. Scraper, 25. Second impact pipe, 26. Third impact pipe, 27. Telescopic pipe. Detailed Implementation

[0022] Reference Figure 1-5 An automatic pet food coating spraying device includes a body 1, the upper end of which is rectangular and the lower end is semi-circular. Frames 2 are fixedly installed on both sides of the outer wall at both ends of the body 1. A first drive motor 18 is fixedly installed on the lower end of one outer wall of the body 1, and a material-turning frame 8 is fixedly installed at the output end of the first drive motor 18. Sleeves 7 are installed on both sides of the circumference of the material-turning frame 8 via bearings. Several slurry spraying pipes 9 are installed in the middle of opposite ends of the material-turning frame 8 via bearings. Threaded rods 14 are rotatably installed between the two ends of the inner walls on both sides of the body 1. Furthermore, each threaded rod 14 is rotatably sleeved with a moving block 15 on its outer circumference. Each moving block 15 is fixedly installed with a hanging pipe 21 at its bottom end, and a diverter frame 22 is fixedly installed at the bottom end of the hanging pipe 21. The bottom ends of the two diverter frames 22 are sequentially fixedly connected with a first impact pipe 23, a second impact pipe 25, and a third impact pipe 26. A heating box 16 is fixedly installed on the upper end of the outer wall of one side of the machine body 1, and a duct pipe 17 is fixedly connected to the middle of one side of the heating box 16. The other two ends of the heating box 16 are respectively fixedly connected with telescopic pipes 27 between the two hanging pipes 21 and the two ends of the heating box 16.

[0023] In this utility model, a discharge cylinder 6 is fixedly connected to one side of the bottom end of the machine body 1, a feeding channel 3 is opened on the other side of the top end of the machine body 1, a sewage discharge channel 10 is fixedly installed on the other side of the bottom end of the machine body 1, and the feeding channel 3 is fixedly located between the top end of the machine body 1 and the top circumference of the sleeve 7.

[0024] A limiting frame 4 is fixedly installed on the other side of the top of the machine body 1, and the limiting frame 4 is located on the outside of the top of the feeding channel 3. A push-pull plate 5 is slidably installed between the inside of the limiting frame 4 and the top of the machine body 1.

[0025] Two threaded rods 14 pass through the machine body 1 and extend to one side of the outer wall of the machine body 1. Each of the two threaded rods 14 is fixedly installed with a pulley 11 on one side, and a conveyor belt 12 is sleeved between the two pulleys 11. A second drive motor 13 is fixedly installed at the top of the outer wall of one side of the machine body 1, and the output end of the second drive motor 13 is fixedly installed with the input end of one of the threaded rods 14.

[0026] The heating box 16 has multiple heating components at both ends inside, and each heating component consists of two heating rods 19 and a heat transfer column 20 arranged in an isosceles triangle.

[0027] The centers of the first impact tube 23, the second impact tube 25, and the third impact tube 26 coincide with the sleeve 7, and the first impact tube 23, the second impact tube 25, and the third impact tube 26 are all located between the bottom circumference of the sleeve 7 and the inner wall of the bottom end of the machine body 1.

[0028] The top and bottom of the outer circumference of the first impact tube 23 are fixedly connected to scrapers 24. The lower end of the first impact tube 23 is fixedly connected with multiple nozzles at equal angles, and the nozzle outlet is located at the top of the inner circumference of the body 1. The top and bottom of the circumference of the second impact tube 25 are provided with impact ports. The third impact tube 26 has two pressurized air rings on one side of its circumference, and the outlets of the two pressurized air rings face the inner circumference of the body 1 and the lower circumference of the sleeve 7, respectively.

[0029] Working principle: Pet food paste is sprayed onto the inside of the sleeve 7 through several paste spraying pipes 9. Simultaneously, the first drive motor 18 operates, causing the turning frame 8 to turn the pet food inside the sleeve 7, helping the surface of the pet food to be evenly coated with paste. After long-term use, the machine body 1 stops spraying paste onto the pet food, and the second drive motor 13 is started. Under the transmission effect of the conveyor belt 12, the two threaded rods 14 rotate simultaneously, causing the two hanging pipes 21 to carry the two diverting frames 22, as well as the first impact pipe 23, the second impact pipe 25, and the third impact pipe 26. The impact tubes 26 all move horizontally along the body 1, while the air guide tube 17 introduces high-pressure airflow into the heating box 16. This causes the multiple nozzles of the first impact tube 23, the two impact ports of the second impact tube 25, and the two pressurized air rings of the third impact tube 26 to impact the lower end of the interior of the body 1 and the lower end of the outer circumference of the sleeve 7. The mixture adhering to them is peeled off by the high-speed airflow, and the fallen mixture is pushed to the drain channel 10. This also causes the airflow to heat up, which helps to melt the grease, slurry and mixture, reducing the cleaning difficulty and increasing the cleaning speed.

[0030] Scraper blades 24 are fixedly connected to the top and bottom of the outer circumference of the first impact tube 23, which can quickly scrape off the mixture condensed at the lower end of the inner side of the machine body 1 and the lower end of the outer circumference of the sleeve 7, thereby accelerating cleaning. Multiple heating components are set at both ends inside the heating box 16, and each heating component consists of two electric heating rods 19 and a heat transfer column 20 arranged in an isosceles triangle, so that the airflow temperature of the telescopic tube 27 leading to the hanging tube 21 is not much different, and the cleaning performance of each part of the first impact tube 23, the second impact tube 25, and the third impact tube 26 remains uniform.

[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An automatic coating pet food spraying device, comprising a body (1), wherein the upper end of the body (1) is rectangular and the lower end is semi-circular, and frames (2) are fixedly installed on both sides of the outer walls at both ends of the body (1), characterized in that, A first drive motor (18) is fixedly installed on the lower end of the outer wall of one side of the machine body (1), and a material-turning frame (8) is fixedly installed at the output end of the first drive motor (18). Sleeves (7) are installed on both sides of the circumference of the material-turning frame (8) through bearings. Several slurry spraying pipes (9) are installed in the middle of opposite ends of the material-turning frame (8) through bearings. Threaded rods (14) are rotatably installed between the two ends of the inner walls on both sides of the machine body (1), and a moving block (15) is rotatably sleeved on the outer circumference of each threaded rod (14). Each moving block (15) A hanging pipe (21) is fixedly installed at the bottom end, and a diversion frame (22) is fixedly installed at the bottom end of the hanging pipe (21). A first impact pipe (23), a second impact pipe (25) and a third impact pipe (26) are fixedly connected between the bottom ends of the two diversion frames (22). A heating box (16) is fixedly installed on the upper end of the outer wall of one side of the machine body (1), and a gas guide pipe (17) is fixedly connected in the middle of one side of the heating box (16). Telescopic pipes (27) are fixedly connected between the two ends of the heating box (16) and the circumference of the two hanging pipes (21).

2. The automatic coating pet food spraying equipment according to claim 1, characterized in that, A discharge cylinder (6) is fixedly connected to one side of the bottom end of the machine body (1), and a feeding channel (3) is opened on the other side of the top end of the machine body (1). A sewage discharge channel (10) is fixedly installed on the other side of the bottom end of the machine body (1). The feeding channel (3) is fixedly located between the top end of the machine body (1) and the top circumference of the sleeve (7).

3. The automatic coating pet food spraying equipment according to claim 2, characterized in that, A limiting frame (4) is fixedly installed on the other side of the top of the machine body (1), and the limiting frame (4) is located on the outside of the top of the feeding channel (3). A push-pull plate (5) is slidably installed between the inside of the limiting frame (4) and the top of the machine body (1).

4. The automatic coating pet food spraying equipment according to claim 1, characterized in that, Two threaded rods (14) penetrate the machine body (1) and extend to one side of the outer wall of the machine body (1). A pulley (11) is fixedly installed on one side of each of the two threaded rods (14), and a conveyor belt (12) is sleeved between the two pulleys (11). A second drive motor (13) is fixedly installed at the top of the outer wall of one side of the machine body (1), and the output end of the second drive motor (13) is fixedly installed with the input end of one of the threaded rods (14).

5. The automatic coating pet food spraying equipment according to claim 1, characterized in that, The heating box (16) has multiple heating components at both ends inside, and each heating component consists of two heating rods (19) and a heat transfer column (20) arranged in an isosceles triangle.

6. The automatic coating pet food spraying equipment according to claim 1, characterized in that, The centers of the first impact tube (23), the second impact tube (25), and the third impact tube (26) coincide with the sleeve (7), and the first impact tube (23), the second impact tube (25), and the third impact tube (26) are all located between the bottom of the sleeve (7) and the inner wall of the bottom of the body (1).

7. An automatic coating pet food spraying device according to claim 6, characterized in that, The first impact tube (23) has scrapers (24) fixedly connected to the top and bottom of the outer circumference of the first impact tube (23). The lower end of the first impact tube (23) is fixedly connected with multiple nozzles at equal angles, and the nozzle outlet is located at the top of the inner circumference of the body (1). The second impact tube (25) has impact ports at the top and bottom of the circumference. The third impact tube (26) has two pressurized air rings on one side of the circumference, and the outlets of the two pressurized air rings are respectively facing the inner circumference of the body (1) and the lower circumference of the sleeve (7).