Extraction and separation device for natural pigment and fruit and vegetable juice

Abstract

The utility model relates to the technical field of extraction and separation devices, and discloses a natural pigment and fruit and vegetable juice extraction and separation device which comprises a treatment tank body and a separation tank body, and a crushing mechanism, a squeezing mechanism and an isolation mechanism are sequentially arranged in the treatment tank body from top to bottom; the isolation mechanism comprises an annular table, a first lifting assembly, a material blocking table and an inner low inclined plane which are arranged in the treatment tank body; the squeezing mechanism comprises a guide rod, a sliding table, a filter bag mounting frame, a filter bag, a squeezing assembly, a slag removal opening and a sealing door; and a spraying mechanism. The crushing mechanism and the squeezing mechanism are sequentially arranged in the treatment tank body, it can be ensured that only crushed materials enter the squeezing mechanism, the situation that the materials which are not fully crushed enter the squeezing link to affect the squeezing effect is avoided, the materials can be prevented from flowing back during squeezing, and independence and stability of all working procedures are maintained.

Description

Technical Field

[0001] This utility model relates to the field of extraction and separation device technology, specifically an extraction and separation device for natural pigments and fruit and vegetable juices. Background Technology

[0002] Currently, in the production of color-rich fruits and vegetables, extraction and separation are the most crucial processes, directly determining the final product yield and the ease of subsequent processing. Existing fruit and vegetable juice and natural pigment extraction equipment typically employs crushing, pressing, and filtering steps. During the pressing process, when the filter bag is pressed to extract juice, residue easily adheres to its surface. Over time, the pores of the filter bag become clogged, significantly reducing filtration efficiency. To ensure subsequent pressing and separation effects, frequent shutdowns are necessary for manual cleaning of the filter bags. These frequent shutdowns not only consume considerable time but also significantly impact overall production efficiency and increase production costs. Utility Model Content

[0003] This utility model mainly provides an extraction and separation device for natural pigments and fruit and vegetable juices, which solves the problems of traditional pressing equipment where residues easily adhere to the surface of the filter bag during the pressing process, resulting in a significant decrease in filtration efficiency, and frequent machine shutdowns for manual cleaning of the filter bags, which is inefficient and labor-intensive.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] An extraction and separation device for natural pigments and fruit and vegetable juices includes a processing tank and a separation tank. A crushing mechanism and a pressing mechanism are arranged sequentially from top to bottom inside the processing tank. An isolation mechanism is provided between the crushing mechanism and the pressing mechanism within the tank. The discharge port of the processing tank is connected to the inlet of the separation tank. The isolation mechanism includes an annular platform disposed within the processing tank. A first lifting assembly is disposed on the annular platform, and a blocking platform is provided at the lower end of the first lifting assembly. An inner low-inclination surface is provided on the annular platform. The pressing mechanism includes guide rods symmetrically arranged inside the processing tank. A slide table is slidably connected to the guide rod. A filter bag mounting bracket is arranged between the two slide tables. A filter bag is detachably connected to the filter bag mounting bracket. A pressing assembly is symmetrically arranged on the processing tank corresponding to the position below the guide rod. The pressing assembly is used to press the filter bag. A slag removal port is opened on the processing tank corresponding to the axial end of the guide rod. A sealing door is detachably connected to the slag removal port. A spraying mechanism is arranged inside the processing tank corresponding to the crushing mechanism. The separation tank can utilize existing technology, such as: multiple layers of filters with different pore sizes are installed inside the separation tank, with the pore size gradually decreasing from top to bottom. After the initially extracted juice enters the separation tank from the processing tank, it first undergoes coarse filtration through a large-pore filter to remove larger particulate impurities. Subsequently, the juice flows downward under gravity, passing through smaller-pore filters in sequence to further filter out fine impurities. Simultaneously, a centrifugal separation component is installed at the bottom of the separation tank. The juice after filtration enters the centrifugal separation component, where centrifugal force generated by high-speed rotation separates colloids, pigments of different densities, and other impurities in the juice. Lighter impurities float to the top, heavier impurities settle to the bottom, and pure natural pigments and fruit and vegetable juice are in the middle layer. A pure liquid outlet is located on the side of the separation tank near the bottom, through which the separated pure natural pigments and fruit and vegetable juice flow out for subsequent processing or storage. Impurities remain inside the centrifuge tube of the centrifugal separation component, and an impurity discharge port is provided at the bottom of the separation tank in conjunction with the centrifuge tube, allowing for the periodic discharge of separated impurities for easy cleaning. The first and second lifting components can utilize existing technology, and their power components can employ the same structure. For example, the power component can be a cylinder or an electric push rod, housed within the annular platform. The power output end of the first lifting component is fixedly connected to the material blocking platform, and the power output end of the second lifting component is fixedly connected to the lower outer side of the telescopic pipe. The spraying mechanism can utilize existing spray heads and other components, housed within the processing tank, with the input end of the spray heads and other components connected to an external water supply pipe.The sliding platforms are located on both sides of the inner end of the filter bag mounting frame. This allows the portion of the filter bag mounting frame with the filter bags installed to be exposed to the outside after the inner end of the guide rod moves to the outer end via the sliding platforms. The sliding platforms also provide a positioning function when the filter bag mounting frame moves inward to reset; that is, they stop moving and are positioned after abutting against the inner wall of the processing tank or a corresponding limit block installed inside. In use, fruit and vegetable raw materials are fed into the inlet at the top of the processing tank. Inside the tank, they are crushed by the upper crushing mechanism. Then, the first lifting component lowers the blocking platform, connecting the processing tank. This allows the crushed material located in the processing tank at the crushing mechanism to enter the detachably connected filter bags on the filter bag mounting frame through the discharge port of the annular platform. After complete discharge, the first lifting component raises the blocking platform again to seal the annular platform. Then, two symmetrically arranged pressing components repeatedly press the filter bags between them. Under pressure, the juice permeates through the pressure. The filter bag flows out, while the residue is trapped inside. The squeezed juice then enters the separation tank through the discharge port of the processing tank and the inlet of the separation tank, where it is further separated by the corresponding components. When it is necessary to clean the residue in the filter bag, the closed door is opened, and the filter bag mounting frame is pulled along the guide rod to move it to the outside through the slag removal port. Workers can then directly disassemble and replace the filter bags that are detachably connected to the filter bag mounting frame. The spraying mechanism can spray water or solvent into the processing tank to assist in the removal or cleaning of the separation tank. Beneficial effects: 1. The sequential arrangement of the crushing and pressing mechanisms within the processing tank ensures that only crushed material enters the pressing mechanism, preventing insufficiently crushed material from affecting the pressing effect and preventing backflow during pressing, thus maintaining the independence and stability of each process; 2. The symmetrically arranged pressing components efficiently extract juice from the material inside the filter bag, improving the juice extraction rate; 3. The filter bag mounting bracket is detachably connected to the filter bag, allowing for the replacement of suitable filter bags according to different material characteristics and filtration requirements. 4. The filter bags can be directly disassembled and replaced, saving a lot of time and manpower, improving equipment utilization, and further enhancing overall production efficiency; 5. The filter bag mounting bracket is slidably connected to the guide rod via a slide table, allowing workers to easily pull out or reset the filter bag mounting bracket; 6. The spraying mechanism can spray water or solvent into the processing tank. The water or solvent flow can not only help natural pigments and fruit and vegetable juices dissolve from the raw materials, but also wash away material residues attached to the surface of the crushing mechanism during the spraying process; 7. The inner low inclined surface facilitates material feeding.

[0006] Furthermore, a second lifting assembly is provided on the annular platform. The lower end of the second lifting assembly has a telescopic tube, which extends into the filter bag via the movement of the second lifting assembly. In use, after the fruit and vegetable raw materials are crushed at the crushing mechanism, before the first lifting assembly lowers the blocking platform, the second lifting assembly first extends the telescopic tube downwards until its lower end reaches the filter bag. Then, the first lifting assembly operates to lower the material into the filter bag. This structure allows the material to enter the filter bag first via the telescopic tube, preventing material from spilling outside the filter bag and entering the separation tank if the blocking platform is opened directly. Furthermore, when additional solvents or other auxiliary extraction liquids need to be added to the filter bag, the liquid can be injected through the telescopic tube, allowing for better contact between the liquid and the material inside the filter bag. When the telescopic tube is not needed, the second lifting assembly raises it back to its original position, preventing damage to the telescopic tube when the pressing assembly presses the filter bag.

[0007] Furthermore, the crushing mechanism includes a double-roll crushing assembly positioned below the feed inlet of the processing tank, and a rotating shaft crushing assembly positioned below the double-roll crushing assembly within the processing tank. Both the double-roll crushing assembly and the shaft crushing assembly can utilize existing technologies. For example, the double-roll crushing assembly mainly consists of two counter-rotating crushing rollers, a drive motor, a transmission device, and a roller spacing adjustment mechanism. The two crushing rollers are arranged parallel to each other directly below the feed inlet of the processing tank. The surface of the crushing rollers is provided with staggered crushing teeth, which can increase the gripping and crushing capacity of fruit and vegetable raw materials. The shaft crushing assembly includes a high-speed rotating shaft, multiple crushing blades mounted on the shaft, and a motor that drives the shaft to rotate. The shaft is horizontally positioned below the double-roll crushing assembly and is mounted on the inner wall of the processing tank through a bearing seat to ensure stable high-speed rotation. The crushing blades are radially and evenly distributed on the shaft, and the blades are designed with sharp serrations or curved blades to enhance the cutting and crushing effect on the material. The drive motor is directly connected to the shaft through a coupling or through a transmission device such as a belt or chain, which can provide sufficient torque and speed to the shaft, enabling the crushing blades to crush the falling material at high speed. In operation, fruit and vegetable raw materials are fed into the top of the processing tank through the inlet. They first pass through a double-roller crushing assembly located below the inlet. The two rollers of the double-roller crushing assembly rotate relative to each other, initially crushing the raw materials, breaking larger pieces into smaller ones. The initially crushed material continues to fall to a rotating shaft crushing assembly located below the double-roller crushing assembly within the processing tank. The rotating shaft of the rotating shaft crushing assembly rotates at high speed, and the crushing components (such as blades) on the shaft further crush the material, making it more thoroughly broken down. This structure, combining the double-roller crushing assembly and the rotating shaft crushing assembly, provides two different forms of crushing for the fruit and vegetable raw materials, ensuring that the material is thoroughly crushed. Thoroughly crushed material is beneficial for subsequent pressing processes, increasing the juice extraction rate.

[0008] Furthermore, a fitting rack is provided on the outer side of the treatment tank body. A displacement cylinder is provided on the fitting rack. The output end of the displacement cylinder is fixedly connected to the closing door, and the closing door is opened and closed by the drive of the displacement cylinder. During use, the fitting rack provided on the outer side of the treatment tank body is used to install the displacement cylinder. When it is necessary to open the closing door to clean the residue in the filter bag, the displacement cylinder works to push the closing door outward to open the closing door, exposing the slag removal port on the treatment tank body, so as to realize the outward movement of the filter bag mounting rack; when the cleaning is completed, the output end of the displacement cylinder retracts, driving the closing door to move inward to close the slag removal port, realizing the closing of the treatment tank body. With this structure, the opening and closing of the closing door are realized by the drive of the displacement cylinder, achieving the automated operation of the closing door, reducing the labor intensity and time cost of manual operation; at the same time, the push of the displacement cylinder can ensure the sealing performance when the closing door is closed; the setting of the fitting rack provides a stable installation foundation for the displacement cylinder, ensuring the stability and reliability of the displacement cylinder during operation.

[0009] Furthermore, the inner end of the closing door is fixedly connected to the filter bag mounting rack through a connecting frame. During use, the inner end of the closing door is fixedly connected to the filter bag mounting rack through a connecting frame. When the displacement cylinder drives the closing door to move outward to open the slag removal port, since the closing door is fixedly connected to the filter bag mounting rack, the filter bag mounting rack will move outward together with the closing door, enabling the filter bag mounting rack to move to the outside through the slag removal port, facilitating the staff to disassemble and replace the filter bag. When the displacement cylinder drives the closing door to close the slag removal port, the filter bag mounting rack will also reset. With this structure, the fixed connection between the closing door and the filter bag mounting rack realizes the linkage between the two, making the operation of cleaning the filter bag more convenient. The staff does not need to additionally pull the filter bag mounting rack, reducing the operation steps and improving the work efficiency.

[0010] Furthermore, each pressing assembly includes a pressing cylinder provided on the treatment tank body, and a pressing block is provided at the output end of the pressing cylinder. Among them, the pressing cylinder is provided on the outer side of the treatment tank body and needs to be axially sealed through an axial seal. During use, when it is necessary to press the filter bag, the pressing cylinder works to push the pressing block to move towards the filter bag, squeezing the material in the filter bag; under the action of pressure, the juice passes through the filter bag and flows out, while the residue is retained in the filter bag; when the pressing is completed, the output end of the pressing cylinder retracts, driving the pressing block to reset.

[0011] Beneficial effects: 1. The crushing and pressing mechanisms are sequentially arranged within the processing tank, ensuring that only crushed materials enter the pressing mechanism. This prevents insufficiently crushed materials from entering the pressing stage and affecting the pressing effect, and also prevents backflow of materials during pressing, maintaining the independence and stability of each process. 2. The symmetrically arranged pressing components can efficiently squeeze the juice from the material inside the filter bag, improving the juice extraction rate. 3. The filter bag mounting frame is detachably connected to the filter bag, allowing for the replacement of suitable filter bags according to different material characteristics and filtration requirements. It also allows for direct disassembly and replacement of filter bags, saving significant time and manpower, improving equipment utilization, and further enhancing overall production efficiency. 4. The filter bag mounting frame is slidably connected to the guide rod via a slide table, allowing workers to easily pull out or reset the filter bag mounting frame. 5. The spraying mechanism can spray water or solvent into the processing tank. The water or solvent flow not only assists in the dissolution of natural pigments and fruit and vegetable juices from the raw materials but also washes away material residues adhering to the surface of the crushing mechanism during the spraying process. Attached Figure Description

[0012] Figure 1 This is a schematic diagram showing the connection between the processing tank and the separation tank in this embodiment;

[0013] Figure 2 This is a schematic diagram of the processing tank from an oblique angle in this embodiment;

[0014] Figure 3 This is a front view of the processing tank in this embodiment;

[0015] Figure 4 This is an example. Figure 3 Schematic diagram of the AA section;

[0016] Figure 5 This is a side view of the processing tank in this embodiment;

[0017] Figure 6 This is an example. Figure 5 Schematic diagram of the BB section;

[0018] Figure 7 This is a schematic diagram of the slide installation in this embodiment.

[0019] Reference numerals: Processing tank 1, Crushing mechanism 101, Double roller crushing assembly 1011, Rotary shaft crushing assembly 1012, Pressing mechanism 102, Guide rod 1021, Slide table 1022, Filter bag mounting bracket 1023, Pressing assembly 1024, Pressing cylinder 10241, Pressing block 10242, Sealing door 1025, Isolation mechanism 103, Circular platform 1031, First lifting assembly 1032, Second lifting assembly 1033, Telescopic pipe 1034, Blocking platform 1036, Spraying mechanism 104, Separation tank 2, Filter bag 3, Displacement cylinder 4, Connecting frame 5. Detailed Implementation

[0020] The following will provide a more detailed description of the technical solution of the extraction and separation device for natural pigments and fruit and vegetable juices involved in this utility model, in conjunction with the embodiments.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] like Figures 1 to 7As shown, this embodiment of an extraction and separation device for natural pigments and fruit and vegetable juices includes a processing tank 1 and a separation tank 2. A crushing mechanism 101 and a pressing mechanism 102 are sequentially arranged from top to bottom inside the processing tank 1. An isolation mechanism 103 is provided inside the tank 1 between the crushing mechanism 101 and the pressing mechanism 102. The outlet of the processing tank 1 is connected to the inlet of the separation tank 2. The isolation mechanism 103 includes an annular platform 1031 disposed inside the processing tank 1. A first lifting assembly 1032 is disposed on the annular platform 1031. A blocking platform 1036 is disposed at the lower end of the first lifting assembly 1032. An inner low-inclination surface is provided on the annular platform 1031. The pressing mechanism 103... The pressing mechanism 102 includes guide rods 1021 symmetrically arranged inside the processing tank 1. A slide table 1022 is slidably connected to the guide rods 1021. A filter bag mounting bracket 1023 is arranged between the two slide tables 1022. A filter bag 3 is detachably connected to the filter bag mounting bracket 1023. A pressing assembly 1024 is symmetrically arranged on the processing tank 1 below the guide rods 1021. The pressing assembly 1024 is used to press the filter bag 3. A slag removal port is opened on the processing tank 1 in the direction of the shaft end of the guide rods 1021. A sealing door 1025 is detachably connected to the slag removal port. A spraying mechanism 104 is arranged inside the processing tank 1 corresponding to the crushing mechanism 101. The separation tank 2 is equipped with multiple layers of filters with different pore sizes, which gradually decrease from top to bottom. After the initially extracted juice enters the separation tank 2 from the processing tank 1, it first undergoes coarse filtration through a large-pore filter to remove larger particulate impurities. Subsequently, the juice flows downward under gravity and passes through smaller-pore filters to further filter out finer impurities. At the same time, a centrifugal separation component is installed at the bottom of the separation tank 2. The juice after filtration enters the centrifugal separation component, where centrifugal force generated by high-speed rotation separates colloids, pigments of different densities, and other impurities in the juice. Lighter impurities float to the top, heavier impurities settle to the bottom, and pure natural pigments and fruit and vegetable juice are in the middle layer. A pure liquid outlet is located on the side of the separation tank 2 near the bottom, through which the separated pure natural pigments and fruit and vegetable juice flow out for subsequent processing or storage. Impurities remain in the centrifuge tube of the centrifugal separation component, and an impurity discharge port is provided at the bottom of the separation tank 2 in conjunction with the centrifuge tube to periodically discharge the separated impurities for easy cleaning. The power components of the first lifting assembly 1032 and the second lifting assembly 1033 can be cylinders or electric push rods, and are housed within the annular platform 1031. The power output end of the first lifting assembly 1032 is fixedly connected to the blocking platform 1036, and the power output end of the second lifting assembly 1033 is fixedly connected to the outer lower end of the telescopic pipe 1034. The spraying mechanism 104 can utilize existing spray heads and other components, housed within the processing tank 1, with the input end of the spray heads and other components connected to an external water supply pipe.The slides 1022 are located on both sides of the inner end of the filter bag mounting frame 1023, so that the portion of the filter bag mounting frame 1023 on which the filter bag 3 is mounted can be exposed to the outside after the inner end of the slides 1022 and the guide rod 1021 moves to the outer end. The slides 1022, located on both sides of the inner end of the filter bag mounting frame 1023, provide a positioning function when the filter bag mounting frame 1023 moves inward to reset; that is, it can stop moving and be positioned after it abuts against the inner wall of the treatment tank 1 or a corresponding limiting block provided inside it. A second lifting assembly 1033 is provided on the annular platform 1031. A telescopic tube 1034 is provided at the lower end of the second lifting assembly 1033. The lower end of the telescopic tube 1034 extends into the filter bag 3 through the drive of the second lifting assembly 1033. The crushing mechanism 101 includes a double-roll crushing assembly 1011 positioned below the feed inlet of the processing tank 1, and a rotating shaft crushing assembly 1012 positioned below the double-roll crushing assembly 1011 and inside the processing tank 1. A mounting frame is provided on the outer side of the processing tank 1, and a displacement cylinder 4 is mounted on the mounting frame. The output end of the displacement cylinder 4 is fixedly connected to the sealing door 1025, and the sealing door 1025 is opened and closed by the displacement cylinder 4. The inner end of the sealing door 1025 is fixedly connected to the filter bag mounting frame 1023 via a connecting frame 5. Each pressing assembly 1024 includes a pressing cylinder 10241 mounted on the processing tank 1, and a pressing block 10242 is mounted on the output end of the pressing cylinder 10241.

[0023] In use, fruit and vegetable raw materials are fed into the inlet at the top of the processing tank 1. Inside the processing tank 1, they are crushed by the upper crushing mechanism 101. Then, the first lifting component 1032 lowers the blocking platform 1036, connecting the processing tank 1. This allows the crushed material inside the processing tank 1, located at the crushing mechanism 101, to enter the filter bag 3 detachably connected to the filter bag mounting frame 1023 through the discharge port of the annular platform 1031. After the material is completely discharged, the first lifting component 1032 raises the blocking platform 1036 to seal the annular platform 1031 again. Then, the filter bag 3 between the two is repeatedly pressed by two symmetrically arranged pressing components 1024 under pressure. Juice flows out through filter bag 3, while residue is trapped inside filter bag 3; then the pressed juice enters separation tank 2 through the discharge port of processing tank 1 and the inlet of separation tank 2, and is then separated again by corresponding components inside separation tank 2; when it is necessary to clean the residue in filter bag 3, the sealing door 1025 is opened, and the filter bag mounting frame 1023 is pulled along the guide rod 1021, so that the filter bag mounting frame 1023 is moved to the outside through the slag removal port, and the staff can directly disassemble and replace the filter bag 3 that is detachably connected to the filter bag mounting frame 1023; the spraying mechanism 104 can spray water or solvent into processing tank 1, thereby assisting in the removal or cleaning of separation tank 2. Beneficial effects: 1. The crushing and pressing mechanisms are sequentially arranged within the processing tank, ensuring that only crushed materials enter the pressing mechanism. This prevents insufficiently crushed materials from entering the pressing stage and affecting the pressing effect, and also prevents backflow of materials during pressing, maintaining the independence and stability of each process. 2. The symmetrically arranged pressing components can efficiently squeeze the juice from the material inside the filter bag, improving the juice extraction rate. 3. The filter bag mounting frame is detachably connected to the filter bag, allowing for the replacement of suitable filter bags according to different material characteristics and filtration requirements. It also allows for direct disassembly and replacement of filter bags, saving significant time and manpower, improving equipment utilization, and further enhancing overall production efficiency. 4. The filter bag mounting frame is slidably connected to the guide rod via a slide table, allowing workers to easily pull out or reset the filter bag mounting frame. 5. The spraying mechanism can spray water or solvent into the processing tank. The water or solvent flow not only assists in the dissolution of natural pigments and fruit and vegetable juices from the raw materials but also washes away material residues adhering to the surface of the crushing mechanism during the spraying process.

[0024] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An extraction and separation device for natural pigments and fruit and vegetable juices, characterized in that: The system includes a processing tank and a separation tank. The processing tank contains a crushing mechanism and a pressing mechanism arranged sequentially from top to bottom. An isolation mechanism is provided between the crushing and pressing mechanisms within the tank. The discharge port of the processing tank is connected to the inlet of the separation tank. The isolation mechanism includes an annular platform within the processing tank, with a first lifting assembly on the platform. A material blocking platform is located at the lower end of the first lifting assembly, and an inner low-inclination surface is provided on the annular platform. The pressing mechanism includes guide rods symmetrically arranged within the processing tank. A sliding table is slidably connected to the guide rods, and a filter bag mounting bracket is provided between the two sliding tables. Filter bags are detachably connected to the filter bag mounting bracket. A pressing assembly is symmetrically arranged on the processing tank corresponding to the position below the guide rods, and the pressing assembly is used to press the filter bags. A slag removal port is opened on the processing tank corresponding to the axial end of the guide rods, and a sealing door is detachably connected to the slag removal port. A spraying mechanism is provided within the processing tank corresponding to the crushing mechanism.

2. The extraction and separation device for natural pigments and fruit and vegetable juices according to claim 1, characterized in that: A second lifting assembly is provided on the annular platform. A telescopic tube is provided at the lower end of the second lifting assembly. The lower end of the telescopic tube extends into the filter bag by being driven by the second lifting assembly.

3. The extraction and separation device for natural pigments and fruit and vegetable juices according to claim 1, characterized in that: The crushing mechanism includes a double-roll crushing assembly positioned below the feed inlet of the processing tank, and a rotating shaft crushing assembly positioned below the double-roll crushing assembly within the processing tank.

4. The extraction and separation device for natural pigments and fruit and vegetable juices according to claim 1, characterized in that: A mounting frame is provided on the outside of the processing tank, and a displacement cylinder is provided on the mounting frame. The output end of the displacement cylinder is fixedly connected to the closed door, and the closed door is opened and closed by the displacement cylinder.

5. The extraction and separation device for natural pigments and fruit and vegetable juices according to claim 4, characterized in that: The inner end of the closed door is fixedly connected to the filter bag mounting bracket via a connecting frame.

6. The extraction and separation device for natural pigments and fruit and vegetable juices according to claim 1, characterized in that: Each of the pressing components includes a pressing cylinder disposed on the processing tank, and a pressing block is disposed at the output end of the pressing cylinder.

Images