Positive and negative pressure adjustable tumbling machine

The positive and negative pressure adjustable rolling machine addresses inefficiencies in traditional brining methods by creating a high-temperature brining environment for uniform heating and flavor absorption, enhancing yield and quality in food processing.

CN223094739UActive Publication Date: 2025-07-15ZHEJIANG RIBON INTELLIGENT EQUIP CO LTD
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Patent Information

Application Number
CN202422331277.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2025-07-15
Estimated Expiration
2034-09-24

AI Technical Summary

Technical Problem

Traditional low-temperature braised cooking is inefficient and is not suitable for large-scale production. High-temperature braised cooking leads to loss of nutrients and a decrease in taste and flavor, which cannot meet the needs of rapid production and high-quality food processing.

Method used

A positive and negative pressure adjustable rolling and kneading machine is designed to form a high-temperature braised cooking environment under negative pressure, and combined with hot water circulation and micro positive pressure cooking methods, the pressure, temperature and angle of the rolling and kneading barrel are accurately controlled to achieve uniform heating and odorization of food raw materials.

Benefits of technology

Shorten the braising time, improve production efficiency and net output rate, ensure high quality and good taste of food, and is suitable for rapid production and efficient food processing.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223094739U_ABST
    Figure CN223094739U_ABST
Patent Text Reader

Abstract

The utility model discloses a positive and negative pressure adjustable tumbling machine which comprises a rack, a support, a tumbling barrel, a rotary driving mechanism, an angle adjusting mechanism and an air pressure adjusting assembly, the tumbling barrel is arranged on the support, the rear end of the tumbling barrel is connected with an output shaft of the rotary driving mechanism, the rotary driving mechanism is used for driving the tumbling barrel to rotate, and the angle adjusting mechanism is used for adjusting the air pressure of the tumbling barrel. The support is connected with the rack through the angle adjusting mechanism, the angle adjusting mechanism is used for adjusting the angle of the tumbling barrel, the air pressure adjusting assembly is used for adjusting the air pressure in the tumbling barrel, a high-temperature marinating and boiling environment is formed by marinating soup in a negative pressure state, and meanwhile heat preservation is conducted through hot water circulation of a barrel body; and then a braising mode similar to a pressure cooker is formed through micro-positive pressure, so that the marinating time can be shortened, the production efficiency can be improved, and the product can better absorb the marinating soup, so that the flavor is increased, and the net yield is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of food processing, in particular to a positive and negative pressure adjustable tumbler. Background Technique

[0002] In the traditional food processing field, marinating is a common cooking process used to make various foods such as meats, poultry, and soy products. The processing methods of marinated products are generally divided into two methods: low-temperature marinating and high-temperature marinating.

[0003] The low-temperature marinating method uses the way of slow simmering and soaking with gentle heat, soaking the food raw materials in the marinade for a long time, usually 3 to 5 hours, and sometimes even soaking overnight. This long-time soaking helps to improve the yield rate and flavor penetration, enabling the same raw materials to produce more finished products, thereby reducing costs. However, the disadvantage of this method is that the marinating time is too long, the efficiency is low, and it is not suitable for large-scale or rapid production needs.

[0004] The traditional high-temperature marinating method is the opposite. By increasing the temperature of the marinade and shortening the marinating time to accelerate the processing process, the product can be quickly taken out of the pot. This method is suitable for the processing of small items, but the yield rate is relatively low because high temperature may cause the loss of some nutritional components of the food raw materials, and at the same time may also affect the taste and flavor of the food.

[0005] Therefore, it is necessary to design a positive and negative pressure adjustable tumbler to overcome the above technical problems. Content of the Utility Model

[0006] To solve the above technical problems, the utility model relates to a positive and negative pressure adjustable tumbler, which has a simple and reliable structure, effectively solves the above technical problems, and is suitable for popularization and use. To achieve the above purpose, the utility model is realized through the following technical solutions:

[0007] A positive and negative pressure adjustable tumbler includes a frame, a support, a tumbling barrel, a rotary drive mechanism, an angle adjustment mechanism, and a pneumatic pressure adjustment component. The tumbling barrel is arranged on the support, the rear end of the tumbling barrel is connected to the output shaft of the rotary drive mechanism, the rotary drive mechanism is used to drive the tumbling barrel to rotate self, the support is connected to the frame through the angle adjustment mechanism, the angle adjustment mechanism is used to adjust the angle of the tumbling barrel, and the pneumatic pressure adjustment component is used to adjust the internal air pressure of the tumbling barrel.

[0008] On the basis of the above solution and as a preferred solution of the above solution: A closable barrel cover is provided on the front side of the tumbling barrel. The air pressure regulating assembly includes a support cylinder, an outer conduit, an inner conduit, a suction pipe, a first air extraction pipe, a second air extraction pipe, and an inflation pipe. One end of the support cylinder is fixedly connected to the center of the barrel cover. The outer conduit passes through the inner hole of the support cylinder. The inner conduit is coaxially arranged with the outer conduit and is located inside the outer conduit. An air extraction channel is formed between the inner conduit and the outer conduit. One end of the outer conduit is connected to the second air extraction pipe, and the second air extraction pipe is perpendicular to the outer conduit. The second air extraction pipe connects the inner cavity of the tumbling barrel to the air extraction channel. The other end of the outer conduit is connected to the first air extraction pipe. The first air extraction pipe is located outside the tumbling barrel and is perpendicular to the outer conduit. The first air extraction pipe is provided with a vacuum switch valve, and the first air extraction pipe is docked with a vacuum system. One end of the inner conduit is communicated with the inner cavity of the tumbling barrel, and the other end of the inner conduit is respectively docked with the suction pipe and the inflation pipe through a three-way pipe. The inflation pipe is provided with a positive pressure inflation switch valve, and the inflation pipe is connected to a gas supply system. The suction pipe is provided with a feeding switch valve, and the suction pipe is connected to a feeding system.

[0009] On the basis of the above solution and as a preferred solution of the above solution: The rotation drive mechanism includes a motor, a transmission shaft, and a bearing seat. A support disk is provided on the rear baffle of the tumbling barrel. The output shaft of the motor is fixedly connected to one end of the transmission shaft, and a positioning disk is provided at the other end of the transmission shaft. The positioning disk and the support disk are fixedly connected by a plurality of bolts evenly spaced in the circumferential direction. The bearing seat is fixed on the support. The transmission shaft is rotationally matched with the bearing in the bearing seat.

[0010] On the basis of the above solution and as a preferred solution of the above solution: The angle adjustment mechanism includes a cylinder. Two groups of cylinders are symmetrically arranged on the left and right sides of the frame. The front ends of both sides of the support are rotationally connected to the frame through support shafts. The cylinder block of the cylinder is rotationally connected to the hinge seat on the frame, and the piston rod of the cylinder is rotationally connected to the hinge seat at the rear of the support. The telescopic movement of the piston rod of the cylinder can cause the support to rotate around the axis of the support shaft.

[0011] On the basis of the above solution and as a preferred solution of the above solution: It further includes a heat preservation mechanism, and the heat preservation mechanism includes a heat preservation sleeve, a guiding cover, a sleeve, a first water conduit, and a second water conduit. The heat preservation sleeve covers the outer side of the barrel wall of the tumbling barrel. A heat preservation chamber is formed between the heat preservation sleeve and the tumbling barrel. Hot water is used for circulating and introducing into the heat preservation chamber. The sleeve is sleeved on the outer side of the transmission shaft. Sealing rings are respectively arranged at both ends of the sleeve. The transmission shaft is provided with a first water passage and a second water passage respectively above and below. Two first water conduits are respectively connected to the first water passage and the second water passage. The first water conduit is used for docking with a mold temperature machine. Two second water conduits are respectively connected to the first water passage and the second water passage. The other end of the second water conduit is communicated with the heat preservation chamber through the guiding cover.

[0012] On the basis of the above solution and as a preferred solution of the above solution: It further includes a rotating support assembly, and the rotating support assembly includes rollers and fixed seats. Two fixed seats are symmetrically installed on the front end of the support on the left and right. The rollers are arranged inside the fixed seats. The rollers are rotatably connected to the fixed seats. The rollers are in contact with the tumbling barrel.

[0013] On the basis of the above solution and as a preferred solution of the above solution: An annular inflatable sealing ring is installed on the inner side of the barrel cover, and an annular handle is provided on the outer side of the barrel cover.

[0014] On the basis of the above solution and as a preferred solution of the above solution: A safety valve is further arranged on the barrel cover.

[0015] On the basis of the above solution and as a preferred solution of the above solution: It further includes an automatic barrel cover opening assembly, and the automatic barrel cover opening assembly includes a support rod, a mounting plate, a rotating motor, and an adjusting rod. The support rod is fixedly installed on the front side of the support. The mounting plate is arranged at the top of the support rod. The rotating motor is arranged on the mounting plate. The output end of the rotating motor is connected to the adjusting rod. The adjusting rod is fixedly connected to the support cylinder through a positioning connecting rod. The rotating motor is used to drive the barrel cover to rotate.

[0016] The prominent and beneficial technical effects of the present utility model compared with the prior art are: In order to overcome the deficiencies of the conventional stewing process, the present utility model improves the conventional tumbling machine and develops a new stewing process. This process uses a positive and negative pressure adjustable tumbling machine for stewing. By forming a high-temperature stewing environment for the stewing soup under a negative pressure state, and at the same time, heat preservation is carried out through the hot water circulation of the barrel body, and then a simmering method similar to that of a pressure cooker is formed through a slightly positive pressure. Such a process can not only shorten the stewing time and improve production efficiency, but also enable the product to better absorb the stewing soup, thus making it more flavorful and improving the net yield.

[0017] The utility model improves the equipment and the stewing process. By precisely controlling the pressure state of the tumbling barrel, the temperature of the brine, the rotation of the tumbling barrel, and the tilt angle, etc., the uniform heating and flavoring of food raw materials are achieved. At the same time, the stewing efficiency and product quality are improved. This method is particularly suitable for food processing enterprises that require rapid production and high efficiency. At the same time, it can also meet the high requirements of consumers for the taste and flavor of food, and improve the competitiveness of products. Brief Description of the Drawings

[0018] Figure 1 is a schematic diagram of the overall structure of the equipment;

[0019] Figure 2 is a three-dimensional schematic diagram of the lid structure;

[0020] Figure 3 is a schematic diagram of the angle adjustment mechanism of the tumbling barrel;

[0021] Figure 4 is the heat preservation mechanism;

[0022] Figure 5 is a schematic diagram of the air pressure adjustment mechanism;

[0023] Figure 6 is a schematic diagram of the boiling point situation of the water temperature in the vacuum state. Detailed Embodiment

[0024] To make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments. However, the specific embodiments and examples described below are only for illustrative purposes and are not limitations to the utility model.

[0025] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the Figure 1 orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0026] In the description of the present application, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features.

[0027] To solve the above technical problems, as Figure 1-6As shown in the figure, the utility model designs a positive-negative pressure adjustable tumbler, which includes a frame 1, a support 2, a tumbling barrel 3, a rotary drive mechanism 4, an angle adjustment mechanism 5, and a pneumatic pressure adjustment component 6. The tumbling barrel 3 is arranged on the support 2. The rear end of the tumbling barrel 3 is connected to the output shaft of the rotary drive mechanism 4. The rotary drive mechanism 4 is used to drive the tumbling barrel 3 to rotate. The support 2 is connected to the frame 1 through the angle adjustment mechanism 5. The angle adjustment mechanism 5 is used to adjust the angle of the tumbling barrel 3. The pneumatic pressure adjustment component 6 is used to adjust the internal air pressure of the tumbling barrel 3.

[0028] Specifically, an openable and closable barrel cover 7 is arranged on the front side of the tumbling barrel 3. An annular inflatable seal ring is installed on the inner side of the barrel cover 7. By inflating, the seal ring expands and is in close contact with the sealing surface to form an effective seal, which is applicable to the pipeline ports and valves that are often opened and closed, reducing the maintenance working hours and installation difficulty. An annular handle is arranged on the outer side of the barrel cover 7. In addition, the barrel cover 7 is also connected with an automatic opening and closing component 8. The automatic opening and closing component 8 includes a support rod 81, a mounting plate 82, a rotary motor 83, and an adjusting rod 84. The support rod 81 is fixedly installed on the front side of the support 2. The mounting plate 82 is arranged at the top of the support rod 81. The rotary motor 83 is arranged on the mounting plate 82. The output end of the rotary motor 83 is connected to the adjusting rod 84. The adjusting rod 84 is fixedly connected to the support cylinder 61 through a positioning connecting rod. The rotary motor 83 is used to drive the barrel cover 7 to rotate. Through the design of the automatic opening and closing component 8, the automatic opening and closing of the barrel cover 7 can be controlled in a way that the barrel cover 7 rotates electrically, without manual operation, which greatly improves the operation convenience and efficiency. The automatic opening and closing component 8 can ensure that the operator controls the barrel cover 7 at a safe distance, reducing the operation risk and avoiding burns caused by splashing of high-temperature steam or brine. The annular inflatable seal ring installed on the inner side of the barrel cover 7 can form a good seal when the barrel cover 7 is closed, preventing steam leakage during the brine boiling process, ensuring that the required negative pressure or slightly positive pressure state is maintained inside the barrel, and at the same time preventing external air from entering and ensuring the stability of the brine boiling environment.

[0029] Furthermore, the air pressure regulating assembly 6 includes a support cylinder 61, an outer conduit 62, an inner conduit 63, a suction pipe 64, a first air extraction pipe 65, a second air extraction pipe 66, and an inflation pipe 67. One end of the support cylinder 61 is fixedly connected to the center of the barrel cover 7. The outer conduit 62 passes through the inner hole of the support cylinder 61. The inner conduit 63 is coaxially arranged with the outer conduit 62 and is located inside the outer conduit 62. An air extraction channel is formed between the inner conduit 63 and the outer conduit 62. One end of the outer conduit 62 is connected to the second air extraction pipe 66, and the second air extraction pipe 66 is perpendicular to the outer conduit 62. The second air extraction pipe 66 connects the inner cavity of the tumbling barrel 3 with the air extraction channel. The other end of the outer conduit 62 is connected to the first air extraction pipe 65. The first air extraction pipe 65 is located outside the tumbling barrel 3 and is perpendicular to the outer conduit 62. The first air extraction pipe 65 is provided with a vacuum switch valve. The first air extraction pipe 65 is docked with a vacuum system. The vacuum system mainly includes a vacuum pump. The vacuum pump can quickly extract the air in the tumbling barrel 3 to form a negative pressure environment and can precisely control the air pressure in the tumbling barrel 3 to meet the specific requirements of different food processing technologies for air pressure, ensuring the quality of food processing.

[0030] One end of the inner conduit 63 is communicated with the inner cavity of the tumbling barrel 3. The other end of the inner conduit 63 is respectively docked with the suction pipe 64 and the inflation pipe 67 through a three-way pipe. The inflation pipe 67 is provided with a positive pressure inflation switch valve. The inflation pipe 67 is connected to a gas supply system. The suction pipe 64 is provided with a feeding switch valve. The suction pipe 64 is connected to a feeding system. The vacuum switch valve equipped on the first air extraction pipe 65 and the positive pressure inflation switch valve on the inflation pipe 67 allow the operator to precisely control the pressure in the barrel according to different stages of the brine boiling process, thereby optimizing the brine boiling effect. Through the design of the outer conduit 62 and the inner conduit 63, the gas exchange inside and outside the brine boiling barrel is realized. The outer conduit 62 connects the first air extraction pipe 65 and the second air extraction pipe 66, enabling the rapid achievement of the required negative pressure state during the brine boiling process. The inflation pipe 67 is used to fill clean compressed air when needed to form a slightly positive pressure environment. At the same time, the negative pressure characteristic can also be used to automatically suck in the brine and food raw materials, reducing manual operation, improving production efficiency and operation convenience. The precisely controlled air pressure environment helps improve the quality of brine-boiled food, ensuring that the food raw materials are evenly heated and absorb the brine during the brine boiling process, thereby increasing the net yield and flavor penetration of the product.

[0031] In addition, a safety valve 68 is also provided on the barrel cover 7. The safety valve 68 provided on the barrel cover 7 provides additional safety protection for the tumbling barrel 3, preventing excessive pressure caused by operation errors or system failures and ensuring the safety of the operation process.

[0032] It is worth mentioning that the air pressure adjustment component 6 integrates necessary elements such as the support cylinder 61, the inner and outer conduits 62, the material suction pipe 64, the air extraction pipe, and the air charging pipe 67 into a compact unit, reducing space occupancy and simplifying the pipeline layout at the same time. The inner conduit 63 is coaxially arranged with the outer conduit 62. This design not only saves space but also makes the layout of the air extraction channel more reasonable, facilitating the inhalation of the brine and the extraction of the gas in the barrel. The vertical connection mode of the second air extraction pipe 66 and the outer conduit 62, as well as the vertical docking of the first air extraction pipe 65 and the outer conduit 62, optimize the gas flow path, reduce the resistance of gas flow, and improve the efficiency of air extraction and air charging. Due to its simple structure, the manufacturing and maintenance costs are relatively low. Moreover, due to its high efficiency, the brine boiling process can be achieved in a relatively short time, improving production efficiency and thus reducing the overall production cost.

[0033] In this embodiment, it is further preferred that the rotary drive mechanism 4 includes a motor 41, a transmission shaft 42, and a bearing seat 43. The rear baffle of the tumbling barrel 3 is provided with a support disk 44. The output shaft of the motor is fixedly connected to one end of the transmission shaft 42, and a positioning disk 45 is arranged at the other end of the transmission shaft 42. The positioning disk 45 and the support disk 44 are fixedly connected by a plurality of bolts evenly spaced along the circumferential direction. The direct connection between the motor and the transmission shaft 42 ensures the effective transmission of power, reduces energy loss, and improves the working efficiency of the tumbler. The bolts evenly arranged between the positioning disk 45 and the support disk 44 ensure the stability of the transmission shaft 42, reduce vibration and swing during rotation, and thus ensure the uniformity and stability of the rotation of the tumbling barrel 3. This solution adopts a simple mechanical connection method, which is convenient for assembly and maintenance, reduces manufacturing and operation costs. The bearing seat 43 is fixed on the support 2, and the transmission shaft 42 is rotatably matched with the bearing in the bearing seat 43. The bearing in the bearing seat 43 provides stable support for the transmission shaft 42, ensuring the long-term stable operation of the transmission shaft 42 and extending the service life of the equipment.

[0034] In this embodiment, it is further preferred that the angle adjustment mechanism 5 includes a cylinder 51. Two groups of cylinders 51 are symmetrically arranged on both sides of the frame 1 from left to right. Both sides of the front end of the support 2 are rotatably connected to the frame 1 through a support shaft 52. The cylinder body of the cylinder 51 is rotatably connected to the hinge seat on the frame 1, and the piston rod of the cylinder 51 is rotatably connected to the hinge seat at the rear of the support 2. The telescopic movement of the piston rod of the cylinder 51 can cause the support 2 to rotate around the axis of the support shaft 52. Using the cylinder 51 as the adjustment mechanism simplifies the traditional complex gear or chain drive system, reduces the number of mechanical components, and lowers the failure rate and maintenance cost. Through the telescopic movement of the cylinder 51, the tilt angle of the tumbling barrel 3 can be accurately controlled to adapt to different processing requirements and technological processes. By adjusting the tilt angle of the tumbling barrel 3, the rolling mode and force condition of the food raw materials in the barrel can be changed, thereby improving the massaging effect of the food and enabling it to absorb the brine or pickling solution more evenly. Different food raw materials may require different tumbling angles to achieve the best processing effect. The angle adjustment mechanism 5 allows the operator to adjust according to the specific product characteristics and processing requirements to adapt to diverse processing needs.

[0035] Further preferably in this embodiment, a heat preservation mechanism 9 is further included. The heat preservation mechanism 9 includes a heat preservation sleeve 91, a guiding cover 92, a sleeve 93, a first water conduit 94, and a second water conduit 95. The heat preservation sleeve 91 covers the outer side of the barrel wall of the tumbling barrel 3. A heat preservation chamber is formed between the heat preservation sleeve 91 and the tumbling barrel 3. Hot water is circulated into the heat preservation chamber to precisely control the temperature inside the barrel, providing a suitable temperature control environment for food processing. Through the design of the heat preservation sleeve 91, heat loss during processing can be reduced, energy efficiency can be improved, and energy can be saved, which is particularly important for food processing that requires long-term heat preservation. Uniform temperature control helps improve the quality of food processing, ensures that the food is evenly heated during tumbling, and improves the taste and texture of the final product. The sleeve 93 is sleeved on the outer side of the transmission shaft 42. Sealing rings are respectively arranged at both ends of the sleeve 93 to ensure the sealing effect and prevent liquid leakage. The transmission shaft 42 is provided with a first water passage 96 and a second water passage 97 respectively above and below. Two first water conduits 94 are respectively connected to the first water passage 96 and the second water passage 97. The first water conduit 94 is used to connect to a mold temperature controller. Two second water conduits 95 are respectively connected to the first water passage 96 and the second water passage 97. The other end of the second water conduit 95 is communicated with the heat preservation chamber through the guiding cover 92. During operation, high-temperature water can be introduced through the upper water passage, and low-temperature water can be discharged through the lower water passage, realizing the circulation of high-temperature hot water outside the barrel wall of the tumbling barrel 3, so as to keep the product warm during the whole stewing process. Combining the water passage directly into the design of the drive shaft not only saves space but also improves the heat exchange efficiency. This design usually means less heat loss and faster temperature response time. This design ensures that the temperature is uniform everywhere inside the barrel, avoiding problems of local overheating or overcooling, which is crucial for ensuring the consistency of product quality during food processing. The mold temperature controller is equipped with an automatic control system, which can automatically adjust heating and cooling according to the preset temperature, reducing the need for manual monitoring and adjustment, improving the convenience and safety of operation. Precise temperature control helps improve the product yield and the overall quality of the product.

[0036] Considering the stability of the rotation of the tumbling barrel 3, the device further includes a rotating support assembly 10, which includes rollers 1001 and fixed seats 1002. The two fixed seats 1002 are symmetrically installed on the front end of the support 2 from left to right. The rollers 1001 are arranged inside the fixed seats 1002. The rollers 1001 are rotatably connected to the fixed seats 1002. The rollers 1001 are in contact with the tumbling barrel 3. The rollers 1001 on both sides are preferably arranged at 45 degrees. The symmetrical design of the rollers 1001 provides better support stability, ensures the balance of the tumbling barrel 3 during rotation, reduces vibration. The 45-degree symmetrical design enables the rollers 1001 to bear pressure evenly, extends the service life of the rollers 1001 and related support components, reduces maintenance costs. The design of the rotating support assembly 10 reduces safety risks caused by equipment instability or failures, providing a safer working environment for operators.

[0037] The present utility model also designs a hot brine method for a positive and negative pressure adjustable tumbling machine, including the following steps:

[0038] S1, Feeding: By starting the barrel cover 7 through the rotating motor 83, the opening of the tumbling barrel 3 is exposed. The food raw materials to be brined are put into the tumbling barrel 3 by any means such as feeding by a feeder, feeding by a conveyor line, or manual feeding. After completion, the barrel cover 7 is closed again;

[0039] S2, Vacuum pumping: Open the vacuum switch valve to perform vacuum pumping operations until the inside of the tumbling barrel 3 reaches the preset negative pressure value, then stop the vacuum pumping operation and close the vacuum switch valve, so that the inside of the tumbling barrel 3 maintains a negative pressure state;

[0040] S3, Feeding auxiliary materials: Open the feeding switch valve to suck the brine auxiliary materials at the preset temperature into the inside of the tumbling barrel 3, and then close the feeding switch valve. The preset temperature of the brine auxiliary materials corresponds to the preset negative pressure value inside the tumbling barrel 3 so that the brine auxiliary materials can boil and vaporize immediately after entering the inside of the tumbling barrel 3. In this embodiment, the preset negative pressure value inside the tumbling barrel 3 is -85 kPa. As Figure 6 shown, the preset temperature of the corresponding brine auxiliary materials is 55 °C. Therefore, the brine rapidly boils and vaporizes under the action of negative pressure, forming a high-temperature brining environment.

[0041] S4, Pressurization: After the air pressure inside the tumbling barrel 3 is balanced, open the positive pressure inflation switch valve, and fill the inside of the tumbling barrel 3 with clean compressed air through the inflation pipe 67 until the preset positive pressure value is reached, then close the positive pressure inflation switch valve. The pressure value of this compressed air is 50 kPa, so that a slightly positive pressure state is formed inside the tumbling machine for slightly positive pressure high-temperature brining. Slightly positive pressure high-temperature brining helps to improve the texture of foods such as meat products, making them smoother and more tender, and enhancing the market competitiveness of the products. In a slightly positive pressure environment, the water retention capacity of food raw materials is enhanced, which helps to maintain the moisture and juiciness of the food and improve the taste of the final product;

[0042] S5. Start tumbling. Adjust the tumbling barrel 3 to an inclined state through the angle adjustment mechanism 5, and drive the tumbling barrel 3 to start rotating self - clockwise through the rotation drive mechanism 4. The inclined state can increase the tumbling and massaging effects of the food raw materials in the barrel, making the movement of the raw materials inside the tumbling barrel 3 more uniform. When the tumbling barrel 3 is inclined and rotating self - clockwise, the meat blocks and other raw materials in the barrel can come into contact with the pickling solution more fully, which helps the seasonings and pickling solution to penetrate evenly into the raw materials, improving the flavor and texture consistency of the final product.

[0043] S6. Keep warm. Control the hot water temperature through the mold temperature controller and make the hot water circulate in the heat - preservation chamber of the tumbling barrel 3 and the heat - preservation sleeve 91, so that the food raw materials are evenly heated and absorb the brine in the tumbling barrel 3.

[0044] S7. Discharge materials. After the marinating and boiling are completed, reset the tumbling barrel 3 and open the barrel cover 7 to discharge the materials.

[0045] In order to overcome the deficiencies of the conventional marinating and boiling process, the present utility model improves the conventional tumbling machine and develops a new marinating and boiling process. This process uses a new positive - negative pressure adjustable tumbling machine for marinating and boiling. By forming a high - temperature marinating and boiling environment for the brine under negative pressure, and at the same time carrying out heat preservation through the hot water circulation of the barrel body, and then forming a simmering method similar to that of a pressure cooker through a slightly positive pressure. Such a process can not only shorten the marinating time and improve production efficiency, but also enable the product to better absorb the brine, thus making it more flavorful and improving the net yield.

[0046] The present utility model improves the equipment and the marinating and boiling process. By precisely controlling the pressure state of the tumbling barrel 3, the temperature of the brine, the rotation of the tumbling barrel 3, and the inclination angle, etc., the uniform heating and flavoring of the food raw materials are achieved. At the same time, the marinating and boiling efficiency and product quality are improved. This method is especially suitable for food processing enterprises that require rapid production and high efficiency. At the same time, it can also meet the high requirements of consumers for the taste and flavor of food, improving the competitiveness of the product.

[0047] It should be noted that the technical features such as the vacuum system, gas supply system, feeding system, motor, cylinder, mold temperature controller, etc. involved in the patent application of the present utility model should be regarded as existing technologies. For the specific structures, working principles, and possible control methods and spatial layout methods of these technical features, conventional selections in the art can be adopted, and they should not be regarded as the inventive points of the patent of the present utility model. The patent of the present utility model will not be further specifically elaborated.

[0048] The above - mentioned embodiments are only the preferred embodiments of the present utility model, and do not limit the protection scope of the present utility model accordingly. Therefore, all equivalent changes made by those skilled in the art according to the structure, shape, and principle of the present utility model should be covered within the protection scope of the present utility model.

Claims

1. A positive and negative pressure adjustable tumbler, characterized in that: It includes a frame, a support, a tumbling barrel, a rotary drive mechanism, an angle adjustment mechanism, and a pneumatic pressure adjustment component. The tumbling barrel is arranged on the support. The rear end of the tumbling barrel is connected to the output shaft of the rotary drive mechanism. The rotary drive mechanism is used to drive the tumbling barrel to rotate self. The support is connected to the frame through the angle adjustment mechanism. The angle adjustment mechanism is used to adjust the angle of the tumbling barrel. The pneumatic pressure adjustment component is used to adjust the internal air pressure of the tumbling barrel.

2. The positive and negative pressure adjustable tumbling machine according to claim 1, characterized in that: A closable barrel cover is arranged on the front side of the tumbling barrel. The pneumatic pressure adjustment component includes a support cylinder, an outer conduit, an inner conduit, a suction pipe, a first air extraction pipe, a second air extraction pipe, and an inflation pipe. One end of the support cylinder is fixedly connected to the center of the barrel cover. The outer conduit passes through the inner hole of the support cylinder. The inner conduit is coaxially arranged with the outer conduit and is located inside the outer conduit. An air extraction channel is formed between the inner conduit and the outer conduit. One end of the outer conduit is connected to the second air extraction pipe. The second air extraction pipe is perpendicular to the outer conduit. The second air extraction pipe conducts the inner cavity of the tumbling barrel to the air extraction channel. The other end of the outer conduit is connected to the first air extraction pipe. The first air extraction pipe is located outside the tumbling barrel and is perpendicular to the outer conduit. A vacuum switch valve is arranged on the first air extraction pipe. The first air extraction pipe is docked with the vacuum system. One end of the inner conduit is communicated with the inner cavity of the tumbling barrel. The other end of the inner conduit is respectively docked with the suction pipe and the inflation pipe through a three-way pipe. A positive pressure inflation switch valve is arranged on the inflation pipe. The inflation pipe is connected to the air supply system. A feeding switch valve is arranged on the suction pipe. The suction pipe is connected to the feeding system.

3. The positive and negative pressure adjustable tumbling machine according to claim 1, wherein: The rotary drive mechanism includes a motor, a transmission shaft, and a bearing seat. A support disc is arranged on the rear baffle of the tumbling barrel. The output shaft of the motor is fixedly connected to one end of the transmission shaft. A positioning disc is arranged at the other end of the transmission shaft. The positioning disc and the support disc are fixedly connected by a plurality of bolts evenly spaced in the circumferential direction. The bearing seat is fixed on the support. The transmission shaft is rotationally matched with the bearing in the bearing seat.

4. The positive and negative pressure adjustable tumbling mixer according to claim 3, characterized in that: The angle adjustment mechanism includes a cylinder. Two groups of cylinders are symmetrically arranged on the left and right sides of the frame. The front ends of both sides of the support are rotationally connected to the frame through support shafts. The cylinder body of the cylinder is rotationally connected to the hinge seat on the frame. The piston rod of the cylinder is rotationally connected to the hinge seat at the rear of the support. The telescopic movement of the piston rod of the cylinder can make the support rotate around the axis direction of the support shaft.

5. The positive and negative pressure adjustable tumbling mixer according to claim 4, wherein: It further includes a heat preservation mechanism, and the heat preservation mechanism includes a heat preservation sleeve, a guiding cover, a sleeve, a first water conduit, and a second water conduit. The heat preservation sleeve covers the outer side of the barrel wall of the tumbling barrel, a heat preservation chamber is formed between the heat preservation sleeve and the tumbling barrel, and hot water is used for circulating and introducing into the heat preservation chamber. The sleeve is sleeved on the outer side of the transmission shaft, sealing rings are respectively arranged at both ends of the sleeve, the transmission shaft is provided with a first water passage and a second water passage respectively from top to bottom, two first water conduits are respectively connected with the first water passage and the second water passage, the first water conduit is used for docking with a mold temperature machine, two second water conduits are respectively connected with the first water passage and the second water passage, and the other ends of the second water conduits are communicated with the heat preservation chamber through the guiding cover.