Stacking bed

Abstract

The utility model belongs to the technical field of wine brewing equipment, and particularly discloses a stacking bed which comprises a bed body, a stirring trolley and a power assembly, the bed body is of a hollow cuboid structure, the top of the bed body is open, and a chain scraper conveyor is arranged at the bottom of the bed body; the turning and stirring trolley is arranged in the bed body, can move in the bed body and is used for scattering and turning and stirring materials on the chain scraper conveyor; the power assembly is arranged on the turning and stirring trolley and used for driving the turning and stirring trolley to move in the bed body; the turning and stirring trolley comprises a frame and two material baffles arranged at the bottom of the frame, a movably-arranged material stirring shaft transversely penetrates through the lower portions of the material baffles, and a plurality of material stirring teeth perpendicular to the material stirring shaft are arranged on the material stirring shaft; the movable turning and stirring trolley is arranged in the bed body, so that vinasse piled on the bed body can be rolled to be flat and scattered on the chain scraper conveyor, the vinasse on the chain scraper conveyor is kept fluffy, normal fermentation of the vinasse is ensured, the vinasse fermentation effect is improved, and the vinasse fermentation effect is ensured to be consistent.

Description

Technical Field

[0001] The utility model relates to the technical field of winemaking equipment, in particular to a pile bed. Background Art

[0002] Baijiu is a distilled liquor unique to China. Its unique production process gives it a unique flavor. Its aroma components are extremely complex, with a wide variety of components and a wide range of contents, making it the best distilled liquor in the world. Fermentation is an indispensable process in the brewing of baijiu, especially for sauce-flavored baijiu, which has to go through two fermentation methods: stacking fermentation and cellar fermentation.

[0003] The inventor of this application is committed to the research of intelligent liquor brewing, and in 2022 applied for an automatic stacking fermentation device with publication number CN114891581A, including a fermentation room, in which a fermentation bed is arranged; the fermentation bed includes a frame and a fermentation bin arranged on the frame, one end of the fermentation bin is provided with a feed bin, and the other end is provided with a discharge bin, and the fermentation bin is provided with a chain conveyor for transporting and supporting the fermentation of mash; the chain conveyor extends into the feed bin and the discharge bin, and a feed port is provided at the top of the feed bin, and a discharge port is provided at the bottom of the discharge bin. However, the stirring mechanism of the device is fixedly arranged near the discharge port, and can only stir the material on the chain plate when discharging, and cannot stir and disperse the material accumulated on the chain plate, resulting in poor fermentation effect of wine lees. Utility Model Content

[0004] Aiming at the technical problem that the stirring mechanism of the automatic stacking fermentation device in the prior art cannot move, cannot stir and break up the wine lees on the chain plate, resulting in poor wine lees fermentation effect, the utility model provides a stacking bed.

[0005] The technical scheme adopted by the utility model is as follows: the stacking bed comprises a bed body, a mixing trolley and a power assembly, the bed body is a hollow rectangular parallelepiped structure, the top of the bed body is open, and a chain plate conveyor is arranged at the bottom of the bed body; the mixing trolley is arranged in the bed body and can move in the bed body, and is used for breaking up and mixing the materials on the chain plate conveyor; the power assembly is arranged on the mixing trolley, and is used for driving the mixing trolley to move in the bed body; the mixing trolley comprises a frame and two material baffle plates arranged at the bottom of the frame, a movably arranged mixing shaft is horizontally penetrated at the lower part of the material baffle plate, a plurality of mixing teeth perpendicular to the mixing shaft are arranged on the mixing shaft, a first reduction motor is arranged on the frame, a first sprocket is arranged at the output end of the first reduction motor, a second sprocket is arranged on the mixing shaft, and the first sprocket is connected to the second sprocket through a first chain.

[0006] Furthermore, the power assembly includes two driving shafts arranged on the frame at a certain distance horizontally, rollers are provided at both ends of the driving shafts, tracks matching the rollers are arranged on both sides of the length direction of the bed, a third sprocket is provided on the two driving shafts, a second reduction motor is provided on the frame, a fourth sprocket is provided at the output end of the second reduction motor, and the fourth sprocket is connected to the two third sprockets through a second chain.

[0007] Furthermore, a transmission shaft is hinged on the frame, and gears are fixedly connected to both ends of the transmission shaft. Racks matching the gears are arranged on both sides of the length direction of the bed, and the racks are meshed with the gears.

[0008] Furthermore, a scraper assembly perpendicular to the mixing tooth is provided at the end of the mixing tooth.

[0009] Furthermore, the scraper assembly includes a first clamping plate fixedly connected to the mixing teeth, a second clamping plate and a scraper, the scraper is clamped between the first clamping plate and the second clamping plate, the scraper is made of silicone, and the first clamping plate is bolted to the second clamping plate.

[0010] Furthermore, the scraper assembly connects two adjacent mixing teeth, and the scraper assembly is staggeredly arranged on the mixing teeth.

[0011] Furthermore, sensors for detecting the stirring trolley are arranged at both ends of the bed in the length direction.

[0012] Furthermore, buffers are provided at both ends of the bed in the length direction where the mixing trolley is located.

[0013] Furthermore, the chain conveyor includes a chain plate, a heating pipe is arranged below the chain plate, a plurality of steam holes are arranged on the heating pipe, and the heating pipe is used to pass high-temperature steam.

[0014] Furthermore, the bed body includes side plates, and a plurality of ventilation holes are arranged on the side plates and the chain plates of the chain conveyor, and the diameter of the ventilation holes is smaller than the diameter of the material.

[0015] Furthermore, a fan is arranged under the bed.

[0016] Furthermore, a heat-insulating plate is arranged on the outer side of the side plate, and the heat-insulating plate is detachably connected to the bed body.

[0017] Furthermore, temperature detection components are provided at both ends and the middle of the bed; the temperature detection component includes a detection cylinder arranged on the bed, the fixed end of the detection cylinder is connected to the bed, the movable end of the detection cylinder is connected to a bracket, a temperature sensor is vertically provided on the bracket, and the temperature sensor is arranged in the bed.

[0018] Furthermore, a discharge port is provided at either end of the bed, and a movable door is provided above the chain conveyor next to the discharge port. The top of the movable door is hinged to the bed, and the back of the movable door is connected to the bed through a door opening cylinder. The fixed end of the door opening cylinder is hinged to the bed, and the movable end of the door opening cylinder is hinged to the movable door.

[0019] The beneficial effects of the utility model are:

[0020] 1. The utility model is provided with a movable stirring trolley in the bed body, which can flatten the piled lees on the bed body and scatter them on the chain conveyor, so that the materials on the chain conveyor remain fluffy, ensure the normal fermentation of the lees, improve the fermentation effect of the lees, and ensure the consistency of the fermentation effect of the lees.

[0021] 2. The heating pipe of the utility model can exchange heat with the air around the chain plate to ensure that the fermentation microorganisms ferment at a suitable temperature, which is beneficial to improve their activity, thereby shortening the fermentation time and improving the fermentation efficiency.

[0022] 3. The utility model uses a fan to draw air from the environment to the bottom of the chain plate, and the air enters the lees through the air vents, so that the top, bottom and sides of the lees can be in contact with the air in large quantities, thereby improving the activity of fermentation microorganisms and further improving the subsequent wine yield and wine quality.

[0023] 4. The scraper assembly of the utility model increases the contact area between the mixing teeth and the lees, thereby improving the stirring effect of the stirring trolley.

[0024] 5. When the mixing trolley of the utility model moves in the bed, the gear on the frame will also run synchronously on the rack of the bed, which can effectively ensure the synchronous movement of the rollers, avoid the rollers from slipping, and ensure the smooth movement of the mixing trolley. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a stereogram of the utility model.

[0026] Figure 2 It is the front view of the utility model.

[0027] Figure 3 yes Figure 2 Sectional view of AA.

[0028] Figure 4 yes Figure 2 Rotated section view of BB.

[0029] Figure 5 It is a three-dimensional diagram of the utility model mixing trolley.

[0030] Figure 6 It is a front view of the utility model mixing trolley.

[0031] Figure 7 yes Figure 6 Right view of .

[0032] Figure 8 yes Figure 6 Cross-sectional view of CC.

[0033] Fig. 9 yes Figure 6 Cross-sectional view of DD.

[0034] The markings in the figure are:

[0035] 1. Bed body; 101. Side plate; 102. Insulation board;

[0036] 2. Chain conveyor; 201. Chain; 202. Heating tube;

[0037] 3. Mixing trolley; 301. Frame; 302. Baffle plate; 303. Mixing shaft; 304. Mixing teeth; 305. First reduction motor; 306. First sprocket; 307. Second sprocket; 308. First chain;

[0038] 4. Power assembly; 401. driving shaft; 402. roller; 403. track; 404. third sprocket; 405. second reduction motor; 406. fourth sprocket; 407. second chain;

[0039] 5. Scraper assembly; 501. first clamping plate; 502. second clamping plate; 503. scraper;

[0040] 6. Temperature detection component; 601. Detection cylinder; 602. Bracket; 603. Temperature sensor;

[0041] 7. Transmission shaft; 8. Gear; 9. Rack; 10. Buffer; 11. Fan; 12. Discharge port; 13. Movable door; 14. Door opening cylinder. DETAILED DESCRIPTION

[0042] In the description of the present invention, it should be noted that the terms "front", "up", "down", "left", "right", "vertical", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, 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. Therefore, they cannot be understood as limitations on the present invention.

[0043] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] The following is combined with Figures 1 to 9 The utility model is further described.

[0045] Embodiment 1

[0046] Reference Figure 1 and Figure 2 The stacking bed of this embodiment includes a bed body 1, which is a hollow rectangular parallelepiped structure. The top of the bed body 1 is open. A chain plate conveyor 2 is arranged at the bottom of the bed body 1. The chain plate conveyor 2 is used to support and transport the wine lees. The wine lees ferment on the chain plate conveyor 2. The stacking bed of this embodiment is arranged in the fermentation room. The chain plate conveyor 2 is a common device in the prior art, and its specific principle is not repeated here.

[0047] In order to solve the technical problem that the stirring mechanism in the prior art cannot move and cannot stir and disperse the wine lees on the accumulation bed, the present embodiment makes the following improvements:

[0048] Specifically, a movable mixing trolley 3 is arranged in the bed body, and the mixing trolley 3 is used to break up and mix the wine lees on the chain conveyor 2; to ensure that the mixing trolley 3 moves in the bed body 1, the bottom of the mixing trolley 3 is spaced 10mm to 20mm from the surface of the chain conveyor 2. The mixing trolley 3 is driven by a power assembly 4. Figure 5 and Figure 6 The mixing trolley 3 includes a frame 301 and two material baffles 302 arranged at the bottom of the frame 301, a movable mixing shaft 303 is horizontally penetrated through the lower part of the material baffle 302, and the mixing shaft 303 is provided with a plurality of mixing teeth 304 perpendicular to the mixing shaft 303, a first reduction motor 305 is arranged on the frame 301, a first sprocket 306 is arranged at the output end of the first reduction motor 305, a second sprocket 307 is arranged on the mixing shaft 303, and the first sprocket 306 is connected to the second sprocket 307 through a first chain 308.

[0049] Working principle of the mixing shaft: the first reduction motor 305 drives the first sprocket 306 connected thereto to rotate synchronously, and the first sprocket 306 drives the second sprocket 307 to rotate through the first chain 308. Since the second sprocket 307 is connected to the mixing shaft 303, the mixing shaft 303 is driven to rotate. During the rotation of the mixing shaft 303, the mixing teeth 304 thereon are driven to rotate. During the rotation, the mixing teeth 304 can break up and stir the wine lees on the chain conveyor 2, so that the material on the chain conveyor 2 remains fluffy, ensuring the normal fermentation of the wine lees, improving the fermentation effect of the wine lees, and ensuring the consistency of the fermentation effect of the wine lees.

[0050] To ensure that the mixing trolley 3 moves in the bed 1, refer to Figure 5 and Fig. 9 The power assembly 4 of this embodiment includes two driving shafts 401 arranged horizontally on the frame 301 at a certain distance. The two driving shafts 401 are arranged in the same horizontal direction. Rollers 402 are arranged at both ends of the driving shafts 401. Tracks 403 matching the rollers 402 are arranged on both sides of the length direction of the bed body 1. The rollers roll in the tracks 403 during operation. A third sprocket 404 is arranged on the two driving shafts 401, a second reduction motor 405 is arranged on the frame 301, and a fourth sprocket 406 is arranged at the output end of the second reduction motor 405. The fourth sprocket 406 is connected to the two third sprockets 404 through a second chain 407.

[0051] The feeding method of this embodiment is different from that of the automatic stacking fermentation device in the prior art. The prior art wine lees fall onto the chain conveyor through the feed port, but because the wine lees are relatively sticky, the wine lees will adhere to the vicinity of the feed port and cannot fall onto the chain conveyor. For this reason, the feeding method of this embodiment is improved as follows: the wine lees are grabbed onto the chain conveyor by a crane in cooperation with a grab bucket. Since the material grabbed onto the chain conveyor by the grab bucket is in a pile shape, the mixing trolley 3 of this embodiment needs to move in the bed 1 to flatten the piled wine lees and scatter them on the chain conveyor to ensure normal fermentation of the wine lees.

[0052] The working principle of the mixing trolley 3 moving in the bed body 1 is as follows: the second reduction motor 405 drives the fourth sprocket 406 connected thereto to rotate synchronously, and the fourth sprocket 406 drives the two third sprockets 404 to rotate synchronously through the second chain 407. The third sprockets 404 are arranged on the driving shaft 401, so the driving shaft 401 rotates synchronously. During the rotation of the driving shaft 401, the rollers 402 at both ends thereof are driven to roll in the track 403, thereby realizing the movement of the mixing trolley 3 in the bed body 1.

[0053] In order to prevent the two ends of the mixing trolley 3 from hitting the bed, the present embodiment is provided with sensors (not shown in the figure) at both ends of the length direction of the bed 1 for detecting the mixing trolley 3. When the sensor detects the mixing trolley 3, the signal is fed back to the control system, and the control system controls the mixing trolley 3 to stop moving forward, thereby effectively preventing the mixing trolley 3 from hitting the two ends of the bed.

[0054] In order to further improve the driving safety of the mixing trolley 3, refer to Figure 5 In this embodiment, buffers 10 are arranged at both ends of the bed body in the length direction where the mixing trolley is located. As can be seen from the above structure, the present application has designed a sensor to control the mixing trolley 3 to stop, but if the sensor is disturbed or damaged, the sensor loses its detection function. Therefore, in this embodiment, a buffer 10 is arranged on the mixing trolley 3 to play a buffering role in the process of the mixing trolley 3 colliding with the bed body, reducing the collision force between the two, and protecting the mixing trolley 3 and the bed body 1.

[0055] During the fermentation of wine lees, the temperature of the wine lees needs to be maintained within a constant range to improve the fermentation effect. Especially in the cold winter in the north, the temperature is low and the activity of beneficial bacteria in the wine lees is low, so the fermentation speed is slow and the fermentation effect is poor. Figure 4 The chain conveyor 2 includes a chain plate 201, a heating pipe 202 is arranged below the chain plate 201, and a plurality of steam holes are arranged on the heating pipe 202. The heating pipe 202 is used to pass high-temperature steam, and the high-temperature steam diffuses to the chain plate through the steam holes, and exchanges heat with the air around the chain plate, so as to ensure that the fermentation microorganisms ferment at a suitable temperature, which is conducive to improving their activity, thereby shortening the fermentation time and improving the fermentation efficiency. It is particularly suitable in winter, and the temperature of the high-temperature steam is 50℃~60℃.

[0056] During the fermentation of wine lees, the fermentation microorganisms need to continuously consume oxygen, otherwise the activity of the fermentation microorganisms will be affected, and then the subsequent wine yield and wine quality will be affected. In order to improve the effect of wine lees stacking fermentation, this embodiment makes the following improvements: the bed 1 includes a side plate 101, and a plurality of vents (not shown in the figure) are provided on the side plate 101 and the chain plate 201 of the chain plate conveyor, and the diameter of the vent is smaller than the diameter of the material. The provision of the vent increases the contact area between the wine lees and the air, so that the oxygen in the air can fully contact the fermentation microorganisms in the wine lees, thereby ensuring the oxygen required for the fermentation of the wine lees, improving the activity of the fermentation microorganisms, and then ensuring the subsequent wine yield and wine quality.

[0057] To further supply oxygen to the lees, refer to Figure 1In this embodiment, a fan 11 is further provided below the bed 1, and the fan 11 draws air from the environment to below the chain plate. Since the chain plate is provided with air vents, the air drawn below the chain plate enters the wine lees through the air vents, so that the top, bottom and sides of the wine lees can all be in contact with a large amount of air, thereby accelerating fermentation.

[0058] Reference Figure 4 In this embodiment, a heat preservation plate 102 is further arranged on the outer side of the side plate 101, and the heat preservation plate 102 is detachably connected to the bed body 1. When the temperature is low, the setting of the heat preservation plate can prevent the heat loss of the lees and play a certain heat preservation role. The detachable heat preservation plate can be easily cleaned.

[0059] To facilitate unloading, refer to Figure 3 In this embodiment, a discharge port 12 is provided at either end of the bed 1, and a movable door 13 is provided above the chain plate conveyor 2 beside the discharge port 12. The top of the movable door 13 is hinged to the bed 1, and the back of the movable door 13 is connected to the bed 1 through a door opening cylinder 14. The fixed end of the door opening cylinder 14 is hinged to the bed 1, and the movable end of the door opening cylinder 14 is hinged to the movable door 13. In order to prevent the lees from falling from the discharge port during the mixing process of the mixing trolley, a movable door 13 is provided above the chain plate conveyor 2 beside the discharge port 12. When unloading, the door opening cylinder is retracted, the movable door is rotated from a vertical state to an inclined state, the chain plate conveyor is started, and the material on the chain plate conveyor falls out from the discharge port.

[0060] Embodiment 2

[0061] Considering the possibility of roller 402 and track 403 slipping, for example, due to the influence of water vapor in track 403 and the inconsistent degree of wear of roller 402, roller slipping may occur. If roller 402 on one side slips and roller 402 on the other side does not slip, the two rollers 402 will move asynchronously. In this case, the mixing trolley 3 will twist during the movement, causing the mixing trolley 3 to get stuck and unable to move. To this end, based on the first embodiment, the present embodiment makes the following improvements: Referring to Figure 1 and Figure 5 In this embodiment, a transmission shaft 7 is hinged on the frame 301, and gears 8 are fixedly connected to both ends of the transmission shaft 7. Racks 9 matching the gears 8 are provided on both sides of the bed body 1 in the length direction, and the racks 9 are meshed with the gears 8.

[0062] By adding the above structure, when the rollers 402 of the mixing trolley 3 move in the track 403, the gears 8 at both ends of the transmission shaft 7 on the mixing trolley 3 will also move synchronously on the rack 9. Therefore, even if the rollers slip on a certain section of the track, the gears and racks can still effectively ensure that all the rollers move synchronously, avoiding the mixing trolley 3 from twisting during the movement, thereby ensuring that the mixing trolley 3 moves smoothly in the bed 1.

[0063] Embodiment 3

[0064] In order to improve the mixing effect of the mixing trolley 3, based on the first embodiment, the further improvements of this embodiment are as follows: Figure 5 and Figure 6 In this embodiment, a scraper assembly 5 perpendicular to the mixing tooth 304 is provided at the end of the mixing tooth 304, specifically including a first clamping plate 501, a second clamping plate 502 and a scraper 503 fixedly connected to the mixing tooth 304, the scraper 503 is clamped between the first clamping plate 501 and the second clamping plate 502, the scraper 503 is made of silicone, and the first clamping plate 501 is bolted to the second clamping plate 502. In actual application, the scraper assembly of the present application is in contact with the wine lees, so the first clamping plate and the second clamping plate are made of metal materials to ensure their strength and rigidity. The design of the scraper assembly 5 increases the contact area between the mixing tooth 304 and the wine lees, thereby improving the mixing effect of the mixing trolley. The design of the scraper 503 can adjust the distance between the scraper assembly and the chain conveyor, and the scraper 503 is made of flexible material to prevent the scraper from scratching the chain conveyor.

[0065] The inventor of the present application did not initially design the scraper assembly in a staggered arrangement, but used a whole clamp to connect the mixing teeth in the same row. However, in the subsequent practice, it was found that such a design resulted in a large running resistance of the scraper assembly, especially in the process of the scraper assembly running downward, where there was too much contact area with the wine lees, resulting in a very large running resistance, causing a large running load on the first reduction motor, frequent failures, and greatly reducing the service life of the reduction motor. For this reason, the present embodiment further improves the scraper assembly 5 as follows: the scraper assembly 5 connects two adjacent mixing teeth 304, and the scraper assembly 5 is staggered on the mixing teeth 304, which can reduce the running resistance of the scraper assembly, reduce the running load of the reduction motor, and increase the service life of the reduction motor.

[0066] Embodiment 4

[0067] In order to detect the temperature inside the lees on the chain conveyor in real time so as to control whether to introduce high-temperature steam, based on the first embodiment, the present embodiment makes the following improvements: Figure 1 and Figure 4, a temperature detection assembly 6 is provided at both ends and the middle of the bed 1; specifically, it includes a detection cylinder 601 provided on the bed 1, the fixed end of the detection cylinder 601 is connected to the bed 1, the movable end of the detection cylinder 601 is connected to a bracket 602, a temperature sensor 603 is vertically provided on the bracket 602, and the temperature sensor 603 is arranged in the bed 1. As can be seen from the above structure, the temperature sensor 603 of this embodiment is a retractable structure. When it is not in the temperature measurement state, the detection cylinder is extended, the piston rod of the detection cylinder drives the bracket to move upward, the bracket drives the temperature sensor to rise synchronously, and the temperature sensor is located above the lees; when it is in the temperature measurement state, the detection cylinder is retracted, the piston rod of the detection cylinder drives the bracket to move downward, the bracket drives the temperature sensor to descend synchronously, and the temperature sensor extends into the lees to monitor the temperature of the lees in real time.

[0068] The above specific implementation methods further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above are only specific implementation methods of the utility model and are not used to limit the protection scope of the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A stacked bed, characterized in that include: A bed body (1), the bed body (1) is a hollow rectangular parallelepiped structure, the top of the bed body (1) is open, and a chain conveyor (2) is arranged at the bottom of the bed body (1); A mixing trolley (3) is arranged in the bed (1) and can move in the bed (1) to break up and mix the materials on the chain conveyor (2); A power assembly (4) is arranged on the mixing trolley (3) and is used to drive the mixing trolley (3) to move within the bed (1); The mixing trolley (3) comprises a frame (301) and two material baffles (302) arranged at the bottom of the frame (301); a material mixing shaft (303) is movably arranged and runs through the lower part of the material baffle (302) in a transverse manner; a plurality of material mixing teeth (304) perpendicular to the material mixing shaft (303) are arranged on the material mixing shaft (303); a first reduction motor (305) is arranged on the frame (301); a first sprocket (306) is arranged at the output end of the first reduction motor (305); a second sprocket (307) is arranged on the material mixing shaft (303); and the first sprocket (306) is connected to the second sprocket (307) via a first chain (308).

2. The stacked bed according to claim 1, wherein: The power assembly (4) comprises two driving shafts (401) arranged on a frame (301) at a certain distance in a horizontal direction, rollers (402) are arranged at both ends of the driving shafts (401), tracks (403) matching the rollers (402) are arranged on both sides of the length direction of the bed body (1), third sprockets (404) are arranged on the two driving shafts (401), a second reduction motor (405) is arranged on the frame (301), a fourth sprocket (406) is arranged at the output end of the second reduction motor (405), and the fourth sprocket (406) is connected to the two third sprockets (404) via a second chain (407).

3. The stacked bed according to claim 2, characterized in that A transmission shaft (7) is hinged on the frame (301), and gears (8) are fixedly connected to both ends of the transmission shaft (7). Racks (9) matching the gears (8) are arranged on both sides of the bed body (1) in the length direction, and the racks (9) are meshedly connected with the gears (8).

4. The stacked bed according to claim 1, wherein: The end of the mixing tooth (304) is provided with a scraper assembly (5) perpendicular to the mixing tooth (304).

5. The stacked bed according to claim 4, characterized in that The scraper assembly (5) comprises a first clamping plate (501) fixedly connected to the mixing teeth (304), a second clamping plate (502) and a scraper (503), the scraper (503) being clamped between the first clamping plate (501) and the second clamping plate (502), the scraper (503) being made of silicone, and the first clamping plate (501) and the second clamping plate (502) being bolted together.

6. The stacked bed according to claim 5, characterized in that The scraper assembly (5) connects two adjacent mixing teeth (304), and the scraper assembly (5) is staggeredly arranged on the mixing teeth (304).

7. The stacked bed according to claim 1, wherein: Sensors for detecting the stirring trolley (3) are arranged at both ends of the bed (1) in the length direction.

8. The stacked bed according to claim 1, wherein: Buffers (10) are arranged at both ends of the bed in the length direction where the mixing trolley is located.

9. The stacked bed according to claim 1, wherein: The chain conveyor (2) comprises a chain plate (201), a heating pipe (202) is arranged below the chain plate (201), a plurality of steam holes are arranged on the heating pipe (202), and the heating pipe (202) is used to pass high-temperature steam.

10. The stacked bed according to claim 9, characterized in that The bed body (1) comprises a side plate (101), and a plurality of ventilation holes are arranged on the side plate (101) and the chain plate (201) of the chain plate conveyor, wherein the diameter of the ventilation hole is smaller than the diameter of the material.

11. The stacked bed according to claim 10, wherein: A fan (11) is arranged below the bed (1).

12. The stacked bed according to claim 10, wherein: A heat preservation plate (102) is arranged on the outer side of the side plate (101), and the heat preservation plate (102) is detachably connected to the bed body (1).

13. The stacked bed according to claim 1, wherein: Temperature detection components (6) are provided at both ends and the middle of the bed (1); The temperature detection component (6) comprises a detection cylinder (601) arranged on the bed (1); the fixed end of the detection cylinder (601) is connected to the bed (1); the movable end of the detection cylinder (601) is connected to a bracket (602); a temperature sensor (603) is vertically arranged on the bracket (602); and the temperature sensor (603) is arranged inside the bed (1).

14. The stacked bed according to claim 1, wherein: A discharge port (12) is provided at either end of the bed (1), and a movable door (13) is provided above the chain plate conveyor (2) next to the discharge port (12). The top of the movable door (13) is hinged to the bed (1), and the back of the movable door (13) is connected to the bed (1) via a door opening cylinder (14). The fixed end of the door opening cylinder (14) is hinged to the bed (1), and the movable end of the door opening cylinder (14) is hinged to the movable door (13).

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