Selenium-deficient model feed dehydrator for laboratory mice

Abstract

The utility model relates to the technical field of dehydrator equipment, and discloses a laboratory mouse selenium-deficient model feed dehydrator which comprises a heat preservation box, the front side and the rear side of the left portion of the inner wall of the heat preservation box are rotationally connected with a plurality of rotating discs, and the adjacent sides of the two rotating discs on the front side and the rear side are rotationally connected with a screening frame. Sliding blocks are rotationally connected to the front side and the rear side of the right portion of the screening frame, the outer walls of the sliding blocks are slidably connected with the inner wall of the heat preservation box, a servo motor is fixedly connected to the left side of the rear portion of the outer wall of the heat preservation box, and the output end of the servo motor penetrates through the heat preservation box and is fixedly connected with the rotating disc at the top end of the rear side. According to the feed screening device, the servo motor, the rotating disc and the screening frame are started to move, feed is screened and filtered, unqualified feed moves leftwards, slides to the inclined guide plate from the left side of the filter screen and then slides to the filter screen at the bottom, the hot air machine dries the feed, and therefore the feed is prevented from being adhered to the inner wall of the device.

Description

Technical Field

[0001] This utility model relates to the field of dehydration equipment technology, and in particular to a dehydration machine for selenium-deficient experimental mouse feed. Background Technology

[0002] The preparation of selenium-deficient model feed for laboratory mice requires precise control of the drying process to preserve the activity of selenium. In existing technologies, low-temperature drying dehydrates the feed through hot air circulation. However, due to the problems of soft pellet feed sticking together and insufficient drying uniformity, the equipment structure needs to be further optimized. The existing equipment combines a multi-layer mesh belt drying chamber with gradient temperature control technology. By introducing an infrared temperature measurement array and a humidity closed-loop control system, drying parameters can be monitored and adjusted in real time, improving production efficiency and product consistency. The equipment adopts a modular design, which is convenient for cleaning and maintenance and meets the clean production requirements of laboratory animal feed.

[0003] A search revealed Chinese Patent Publication No. CN221055374U, which discloses a feed ingredient dehydration device, belonging to the technical field of dehydration devices. The device includes a dehydration body, which has, from top to bottom, adjacent and interconnected upper assembly port, a dehydration chamber, a lower assembly port, and a cooling chamber. An upper assembly seat, extending from its bottom end into the dehydration chamber, is fixedly connected inside the upper assembly port, and a cover is threaded to the top of the upper assembly seat. After dehydration, the feed ingredient immediately enters the cooling chamber, where a cold air supply mechanism supplies cold air to cool the feed ingredient. However, the feed is cooled down and then discharged through the solenoid valve on the discharge pipe. Compared with existing devices, this method can cool down and discharge the feed immediately after dehydration, avoiding burns to staff and shortening the cooling time of the feed. Moreover, the feed can be discharged simply by opening the solenoid valve on the discharge pipe, without tilting or pouring, making it simple and convenient to operate and improving the dehydration efficiency of the device. However, in actual use, the selenium-deficient model feed for laboratory mice tends to stick to the inner wall of the equipment when it dries, making it impossible to discharge from the equipment and thus clogging the discharge port, requiring manual cleaning. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a feed dehydrator for selenium-deficient experimental mice, which aims to improve the problem in the prior art where feed sticks to the inner wall of the equipment, making it impossible to discharge from the equipment.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a dehydrator for selenium-deficient model feed of laboratory mice, comprising an insulated box, wherein multiple turntables are rotatably connected to the front and rear sides of the left side of the inner wall of the insulated box, a sieving frame is rotatably connected to the adjacent side of two of the front and rear turntables, and sliding blocks are rotatably connected to the front and rear sides of the right side of the sieving frame, the outer wall of the sliding block is slidably connected to the inner wall of the insulated box, a servo motor is fixedly connected to the left rear side of the outer wall of the insulated box, the output end of the servo motor passes through the insulated box and is fixedly connected to the turntable at the top rear side, an inclined guide plate is fixedly connected to the middle of the inner wall of the insulated box, pulleys are fixedly connected to the front sides of the two front turntables through the insulated box, belts are provided on the outer walls of the two pulleys, a hot air blower is fixedly connected to the left side of the inner wall of the insulated box, a conveying device is fixedly connected to the bottom of the inner wall of the insulated box, a filter screen is fixedly connected to the inner wall of the sieving frame, and a feeding and crushing mechanism is provided on the top right side of the outer wall of the insulated box.

[0006] The above technical solution involves: first, starting the hot air blower, then adding the feed into the insulated box and the top filter screen. At this point, the servo motor drives the connected turntable to rotate, causing the left side of the screening frame to oscillate in a circular motion, while the right side slides left and right under the constraint of the sliding block. This screens the added feed, allowing qualified feed to be filtered out. Unqualified feed gradually moves to the left until it falls onto the inclined guide plate from the left side of the filter screen, then slides to the right and falls again onto the bottom filter screen. Simultaneously, the pulley above the front turntable rotates along with the bottom turntable via a belt, causing the bottom filter screen and screening frame to screen together, further drying and filtering the feed until it falls onto the conveyor from the left side and is discharged from the equipment. Simultaneously, the hot air blower dries the feed during the screening process.

[0007] As a further description of the above technical solution:

[0008] The feeding and crushing mechanism includes a feeding box, the bottom of which is connected to the top right side of the outer wall of the insulation box. A DC motor is fixedly connected to the rear side of the outer wall of the feeding box. The output end of the DC motor passes through the feeding box and is fixedly connected to a rotating column. A grooved plate is fixedly connected to the outer wall of the rotating column. An inclined baffle is fixedly connected to the middle of the inner wall of the feeding box. A discharge plate is fixedly connected to the bottom left side of the inner wall of the feeding box. Multiple inclined fixing blocks are fixedly connected to the bottom of the inner wall of the feeding box.

[0009] The above technical solution involves adding the feed to be dried into the feeding box, and guiding it to the outlet under the guidance of the inclined baffle and the discharge plate. Then, the DC motor is started, which drives the rotating column to rotate, thereby driving the groove plate to rotate. The added feed can be discharged quantitatively to the outlet. Furthermore, under the restriction of the inclined fixing block, the feed will not clump together and cause blockage at the outlet, thus allowing it to fall into the heat preservation box better after being crushed.

[0010] As a further description of the above technical solution:

[0011] An observation window is provided in the middle of the front side of the outer wall of the insulated box, and an outer frame is fixedly connected to the outer wall of the observation window.

[0012] The above technical solution allows operators to observe the dryness of the selenium-deficient mouse model feed in real time without opening the chamber, avoiding temperature fluctuations caused by frequent opening and closing, and reducing the risk of external contamination. The outer frame enhances the structural strength of the observation window and prevents the glass from breaking due to external impact.

[0013] As a further description of the above technical solution:

[0014] A nameplate is fixedly connected to the bottom front of the outer wall of the insulated box, and a warning sign block is fixedly connected to the top front of the outer wall of the insulated box.

[0015] The above technical solutions provide basic equipment information via nameplates, facilitating equipment management, maintenance, and traceability. Warning signs also remind operators to be careful and avoid burns caused by misoperation or accidental contact with high-temperature surfaces.

[0016] As a further description of the above technical solution:

[0017] A column is fixedly connected to the top left side of the outer wall of the insulated box, and an alarm light is fixedly connected to the top of the column.

[0018] The above technical solution provides support for the alarm light by using a column, raising the warning light source to a certain height and expanding the warning range. The alarm light can also provide real-time feedback on the equipment's operating status or abnormal conditions.

[0019] As a further description of the above technical solution:

[0020] A limiting frame is fixedly connected to the top of the inner wall of the insulated box, and multiple louvers are rotatably connected to the inner wall of the limiting frame.

[0021] The above technical solution provides a stable installation base for the louvered fan by limiting the rotation range of the blades and ensuring the accuracy of airflow regulation. The louvered fan can also adjust and control the internal hot air circulation path, thereby enhancing the uniformity of drying.

[0022] As a further description of the above technical solution:

[0023] A temperature sensor is fixedly connected to the right side of the outer wall of the insulated box, and the inner wall of the feeding box is rounded.

[0024] The above technical solution allows for real-time monitoring of the internal temperature of the chamber using a temperature sensor, providing feedback signals to the controller. The rounded inner wall of the feeding box reduces the adhesion and residue of feed particles during the feeding process, ensuring the accuracy of the selenium-deficient feed formulation.

[0025] As a further description of the above technical solution:

[0026] A controller is fixedly connected to the right side of the outer wall of the insulated box. The controller is electrically connected to the servo motor, the hot air blower, and the DC motor.

[0027] The above technical solution allows for the separate control of the starting and running power of the servo motor, hot air blower, and DC motor via a controller.

[0028] This utility model has the following beneficial effects:

[0029] 1. In this utility model, by starting the hot air blower, feed is added to the heat preservation box and filter screen. The servo motor starts, and the turntable and screening frame begin to move. The feed is screened and filtered. Unqualified feed moves to the left, slides from the left side of the filter screen to the inclined guide plate, and then slides to the bottom filter screen. The pulley above the turntable drives the bottom to rotate through the belt, so that the filter screen and screening frame screen together. The feed is dried and filtered, and finally falls from the left side onto the conveyor equipment for discharge. The hot air blower dries the feed, thereby preventing the feed from sticking to the inner wall of the equipment.

[0030] 2. In this utility model, the feed is added to the feeding box and guided to the outlet by the inclined baffle and the discharge plate. The DC motor is started, the rotating column and the groove plate are rotated, and the feed is discharged in a quantitative manner. The inclined fixing block prevents the feed from agglomerating and blocking the outlet, ensuring that the crushed feed falls smoothly into the heat preservation box, so that the feed can be crushed and quantitatively entered into the equipment. Attached Figure Description

[0031] Figure 1 A three-dimensional view of the feed dehydrator for the selenium-deficient experimental mouse model proposed in this utility model;

[0032] Figure 2 This is a front view of the feed dehydrator for the selenium-deficient mouse model proposed in this utility model;

[0033] Figure 3 This is a top view of the feed dehydrator for the selenium-deficient mouse model proposed in this utility model;

[0034] Figure 4 This is a cross-sectional view of the feed dehydrator for the selenium-deficient mouse model proposed in this utility model.

[0035] Figure 5 This is a schematic diagram of the feeding and crushing mechanism of the feed dehydrator for the selenium-deficient experimental mouse model proposed in this utility model.

[0036] Legend:

[0037] 1. Insulated box; 2. Feeding and crushing mechanism; 201. Feeding box; 202. DC motor; 203. Inclined baffle; 204. Discharge plate; 205. Rotating column; 206. Groove plate; 207. Inclined fixing block; 3. Servo motor; 4. Turntable; 5. Screening frame; 6. Sliding block; 7. Inclined guide plate; 8. Pulley; 9. Belt; 10. Hot air blower; 11. Conveying equipment; 12. Filter screen; 13. Observation window; 14. Outer frame; 15. Nameplate; 16. Warning sign block; 17. Column; 18. Alarm light; 19. Limit frame; 20. Louvered fan; 21. Temperature sensor; 22. Controller. Detailed Implementation

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0039] Reference Figure 1 , Figure 3 and Figure 4This utility model provides an embodiment of a dehydrator for selenium-deficient mouse feed, comprising an insulated box 1. Multiple turntables 4 are rotatably connected to the front and rear sides of the left side of the inner wall of the insulated box 1. A sieving frame 5 is rotatably connected to an adjacent side of two turntables 4 on the front and rear sides. Sliding blocks 6 are rotatably connected to the front and rear sides of the right side of the sieving frame 5. The outer wall of the sliding block 6 is slidably connected to the inner wall of the insulated box 1. A servo motor 3 is fixedly connected to the left rear side of the outer wall of the insulated box 1. The output end of the servo motor 3 passes through the insulated box 1 and is fixedly connected to the top rear turntable 4. An inclined guide plate 7 is fixedly connected to the middle of the inner wall of the insulated box 1. When feed is added into the filter screen 12 at the top of the insulated box 1, starting the servo motor 3 will drive the connected turntables 4 to rotate, thereby causing the left side of the sieving frame 5 to oscillate in a circular motion, and the right side to slide left and right under the restriction of the sliding block 6, thus allowing the feed to slid smoothly. The feed is screened, and under the sieving of the filter screen 12, the feed that meets the requirements will be filtered out, and the feed that does not meet the size requirements will gradually move to the left until it falls on the inclined guide plate 7 from the left side of the filter screen 12. The front of the two turntables 4 passes through the heat preservation box 1 and is fixedly connected to the pulleys 8. The outer wall of the two pulleys 8 is provided with belts 9. The pulleys 8 above the front turntables 4 cause the bottom turntables 4 to rotate together through the belts 9, thereby causing the bottom filter screen 12 and the sieving frame 5 to sieve together. The left side of the inner wall of the heat preservation box 1 is fixedly connected to the hot air blower 10. Under the blowing of the hot air blower 10, the feed inside will be dried at the same time when it is sieving. The bottom of the inner wall of the heat preservation box 1 is fixedly connected to the conveying device 11, the inner wall of the sieving frame 5 is fixedly connected to the filter screen 12, and the top right side of the outer wall of the heat preservation box 1 is provided with the feeding and crushing mechanism 2.

[0040] Specifically, the hot air blower 10 is started first, and then the feed is added into the heat preservation box 1 and the filter screen 12 at the top. At this time, the servo motor 3 is started, which drives the connected turntable 4 to rotate, thereby causing the left side of the screening frame 5 to swing in a circle, and the right side to slide left and right under the restriction of the sliding block 6. This causes the added feed to be screened, and under the screening of the filter screen 12, the feed that meets the requirements will be filtered out. The feed that does not meet the size requirements will gradually move to the left until it falls from the left side of the filter screen 12 onto the inclined guide plate 7, and then slides to the right and falls again onto the bottom filter screen 12. At the same time, the pulley 8 above the turntable 4 on the front side causes the bottom turntable 4 to rotate together through the belt 9, thereby causing the bottom filter screen 12 and the screening frame 5 to screen together, thereby further drying and filtering the feed until it falls from the left side onto the conveyor 11 and is discharged from the equipment. At the same time, the hot air blower 10 blows, causing the feed inside to be dried while being screened.

[0041] Reference Figure 2 , Figure 3 and Figure 5The feeding and crushing mechanism 2 includes a feeding box 201. The bottom of the feeding box 201 is connected to the top right side of the outer wall of the insulation box 1. A DC motor 202 is fixedly connected to the rear side of the outer wall of the feeding box 201. The output end of the DC motor 202 passes through the feeding box 201 and is fixedly connected to a rotating column 205. A grooved plate 206 is fixedly connected to the outer wall of the rotating column 205. When the DC motor 202 is started, it will drive the rotating column 205 to rotate, thereby driving the grooved plate 206 to rotate, which can quantitatively discharge the added feed to the outlet. The feed is discharged from the outlet. An inclined baffle 203 is fixedly connected to the middle of the inner wall of the feeding box 201, and a discharge plate 204 is fixedly connected to the bottom left side of the inner wall of the feeding box 201. The feed to be dried is added into the feeding box 201, and under the guidance of the inclined baffle 203 and the discharge plate 204, the added feed is guided to the outlet. Multiple inclined fixing blocks 207 are fixedly connected to the bottom of the inner wall of the feeding box 201. Under the restriction of the inclined fixing blocks 207, the feed will not clump together and cause the outlet to be blocked.

[0042] Specifically, the feed to be dried is added to the feeding box 201, and guided by the inclined baffle 203 and the discharge plate 204, the added feed is guided to the outlet. Then, the DC motor 202 is started, which drives the rotating column 205 to rotate, thereby driving the groove plate 206 to rotate. The added feed can be discharged quantitatively to the outlet. Under the restriction of the inclined fixing block 207, the feed will not clump together and cause the outlet to be blocked, so that it can fall into the heat preservation box 1 better after being crushed.

[0043] Reference Figure 1 , Figure 2 and Figure 3 An observation window 13 is provided in the middle of the front side of the outer wall of the incubator 1. The observation window 13 allows the operator to observe the dryness of the selenium-deficient model feed for laboratory mice in real time without opening the box. An outer frame 14 is fixedly connected to the outer wall of the observation window 13, which can enhance the structural strength of the observation window 13. A nameplate 15 is fixedly connected to the bottom front of the outer wall of the incubator 1. The nameplate 15 can provide basic equipment information. A warning sign block 16 is fixedly connected to the top front of the outer wall of the incubator 1. The warning sign block 16 can remind the operator to pay attention to safety. A column 17 is fixedly connected to the top left side of the outer wall of the incubator 1. The column 17 can provide support for the alarm light 18. The alarm light 18 is fixedly connected to the top of the column 17. The alarm light 18 can provide real-time feedback on the equipment's operating status or abnormal conditions.

[0044] Specifically, the observation window 13 allows operators to observe the dryness of the selenium-deficient model feed for laboratory mice in real time without opening the enclosure, avoiding temperature fluctuations caused by frequent opening and closing, and reducing the risk of external contamination. The outer frame 14 enhances the structural strength of the observation window 13, preventing the glass from breaking due to external impact. The nameplate 15 provides basic equipment information, facilitating equipment management, maintenance, and traceability. The warning sign block 16 reminds operators to pay attention to safety, avoiding burns caused by misoperation or accidental contact with high-temperature surfaces. The column 17 provides support for the alarm light 18, raising the warning light source to a certain height and expanding the warning range. The alarm light 18 provides real-time feedback on the equipment's operating status or abnormal conditions.

[0045] Reference Figure 1 , Figure 3 and Figure 5 A limiting frame 19 is fixedly connected to the top of the inner wall of the heat preservation box 1. The limiting frame 19 provides a stable installation base for the louvered fan 20. Multiple louvered fans 20 are rotatably connected to the inner wall of the limiting frame 19. The louvered fans 20 can adjust and control the internal hot air circulation path. A temperature sensor 21 is fixedly connected to the right side of the outer wall of the heat preservation box 1. The temperature sensor 21 can monitor the internal temperature of the box in real time. The inner wall of the feeding box 201 is rounded to reduce the adhesion and residue of feed particles during the feeding process. A controller 22 is fixedly connected to the right side of the outer wall of the heat preservation box 1. The controller 22 is electrically connected to the servo motor 3, the hot air blower 10 and the DC motor 202 respectively. The controller 22 can control the starting and running power of the servo motor 3, the hot air blower 10 and the DC motor 202 respectively.

[0046] Specifically, the limiting frame 19 provides a stable installation base for the louvered fan 20, restricts the rotation range of the blades, and ensures the accuracy of airflow regulation. The louvered fan 20 can adjust and control the internal hot air circulation path, enhancing the uniformity of drying. The temperature sensor 21 can monitor the internal temperature of the chamber in real time and provide feedback signals to the controller 22. The rounded inner wall of the feeding box 201 reduces the adhesion and residue of feed particles during the feeding process, ensuring the accuracy of the selenium-deficient feed formula. The controller 22 can control the starting and running power of the servo motor 3, the hot air blower 10, and the DC motor 202 respectively.

[0047] Working principle: First, the hot air blower 10 is started. Then, feed is added to the top filter screen 12 inside the heat preservation box 1. At this time, the start of the servo motor 3 drives the connected turntable 4 to rotate, which in turn causes the left side of the screening frame 5 to swing in a circular motion, while the right side slides left and right under the constraint of the sliding block 6. This process allows the added feed to be screened, and under the action of the filter screen 12, feed that meets the specifications is screened out, while feed that does not meet the size gradually moves to the left and finally slides from the left side of the filter screen 12 onto the inclined guide plate 7. Subsequently, the feed slides to the right and falls back onto the bottom filter screen 12. At the same time, the pulley 8 located above the turntable 4 drives the bottom turntable 4 to rotate synchronously through the belt 9, so that the bottom filter screen 12 and the screening frame 5 screen together. This further promotes the drying and filtration of the feed. Finally, the feed slides down from the left side onto the conveyor 11 and is discharged from the equipment. During this process, the blowing action of the hot air blower 10 ensures that the feed is dried while being screened, thus preventing the feed from sticking to the inner wall of the equipment. The feed to be dried is placed into the feeding box 201 through the feeding and crushing mechanism 2. With the guidance of the inclined baffle 203 and the discharge plate 204, the feed is smoothly transported to the outlet. Then, the DC motor 202 is started, which drives the rotating column 205 to rotate, thereby driving the groove plate 206 to rotate, realizing the quantitative output of the feed. Under the constraint of the inclined fixing block 207, the feed will not clump together, avoiding the problem of outlet blockage, thus ensuring that the crushed feed can fall smoothly into the heat preservation box 1.

[0048] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A dehydrator for experimental rat selenium deficiency model feed, comprising a thermostat box (1), characterized in that: The inner wall left part of the heat preservation box (1) is rotationally connected with a plurality of rotating discs (4) on the front and back sides, the adjacent side of the two rotating discs (4) on the front and back sides is rotationally connected with a screening frame (5), the right part of the screening frame (5) is rotationally connected with a sliding block (6) on the front and back sides, the outer wall of the sliding block (6) is slidingly connected with the inner wall of the heat preservation box (1), the outer wall rear part left side of the heat preservation box (1) is fixedly connected with a servo motor (3), the output end of the servo motor (3) penetrates through the heat preservation box (1) and is fixedly connected with the rotating disc (4) on the top rear side, the inner wall middle part of the heat preservation box (1) is fixedly connected with an inclined guide plate (7), the front side of the two rotating discs (4) penetrates through the heat preservation box (1) and is fixedly connected with a pulley (8), the outer wall of the two pulleys (8) is provided with a belt (9), the inner wall left side of the heat preservation box (1) is fixedly connected with a hot air machine (10), the inner wall bottom of the heat preservation box (1) is fixedly connected with a conveying device (11), the inner wall of the screening frame (5) is fixedly connected with a filter screen (12), and the outer wall top right side of the heat preservation box (1) is provided with a feeding and crushing mechanism (2).

2. The experimental mouse model of selenium deficiency feed dehydrator according to claim 1, characterized in that: The feeding and crushing mechanism (2) comprises a feeding box (201), the bottom of the feeding box (201) is communicated with the outer wall top right side of the heat preservation box (1), the outer wall rear side of the feeding box (201) is fixedly connected with a DC motor (202), the output end of the DC motor (202) penetrates through the feeding box (201) and is fixedly connected with a rotating column (205), the outer wall of the rotating column (205) is fixedly connected with a groove plate (206), the inner wall middle part of the feeding box (201) is fixedly connected with an inclined baffle (203), the inner wall bottom left side of the feeding box (201) is fixedly connected with a discharging plate (204), and the inner wall bottom of the feeding box (201) is fixedly connected with a plurality of inclined fixed blocks (207).

3. The experimental mouse model of selenium deficiency feed dehydrator according to claim 1, characterized in that: The outer wall front side middle part of the heat preservation box (1) is provided with an observation window (13), and the outer wall of the observation window (13) is fixedly connected with an outer frame (14).

4. The experimental mouse model of selenium deficiency feed dehydrator according to claim 1, characterized in that: The outer wall front part bottom of the heat preservation box (1) is fixedly connected with a nameplate (15), and the outer wall front part top of the heat preservation box (1) is fixedly connected with a warning mark block (16).

5. The experimental mouse model of selenium deficiency feed dehydrator according to claim 1, characterized in that: The outer wall top left side of the heat preservation box (1) is fixedly connected with a stand column (17), and the top of the stand column (17) is fixedly connected with an alarm lamp (18).

6. The experimental mouse model of selenium deficiency feed dehydrator according to claim 1, characterized in that: The inner wall top of the heat preservation box (1) is fixedly connected with a limiting frame (19), and the inner wall of the limiting frame (19) is rotationally connected with a plurality of louver fans (20).

7. The experimental mouse model of selenium deficiency feed dehydrator according to claim 2, characterized in that: The outer wall right side of the heat preservation box (1) is fixedly connected with a temperature sensor (21), and the inner wall of the feeding box (201) is roundly and smoothly processed.

8. The experimental mouse model of selenium deficiency feed dehydrator according to claim 2, characterized in that: The outer wall right side of the heat preservation box (1) is fixedly connected with a controller (22), and the controller (22) is electrically connected with the servo motor (3), the hot air machine (10) and the DC motor (202) respectively.

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