Composite filtration and separation device for enzyme fruit and vegetable juice

Abstract

The invention discloses an enzyme fruit and vegetable juice composite filtering and separating device, and relates to the technical field of separation, the enzyme fruit and vegetable juice composite filtering and separating device comprises a long shell, the long shell is internally provided with a first cavity, and the two sides of the first cavity are each sequentially provided with a second cavity and a third cavity; the reciprocating type filtering mechanism is arranged in the long shell and used for filtering and separating enzyme fruit and vegetable juice, the reciprocating type filtering mechanism comprises two winding assemblies arranged in the two third cavities respectively, and one winding assembly is provided with a first filtering belt roll. Through the reciprocating type filtering mechanism, the first filtering belt roll and the second filtering belt roll are used for alternately rolling the filtering belt, impurities on the filtering belt are removed in real time in cooperation with the cleaning mechanism, shutdown cleaning or filter element replacement is not needed, the problems that a traditional filtering device needs regular cleaning and cannot work continuously due to filter element blockage are effectively solved, the production efficiency is greatly improved, and the production cost is reduced. The continuous and large-scale production requirements of the enzyme fruit and vegetable juice are met.

Description

Technical Field

[0001] The present invention relates to the field of separation technology, and in particular to an enzyme fruit and vegetable juice composite filtering and separation device. Background Art

[0002] In recent years, as people's attention to healthy eating continues to increase, enzyme fruit and vegetable juice has become a popular drink on the market due to its rich nutrition and easy absorption. In order to meet consumers' demand for high-quality enzyme fruit and vegetable juice, a filtration separation device is needed to remove impurities and separate solids and liquids from the enzyme fruit and vegetable juice during the production process to ensure the clarity and taste of the product. At present, the filtration separation devices on the market mainly include mechanical filtration, centrifugal separation and membrane filtration. These devices can achieve preliminary separation and filtration of enzyme fruit and vegetable juice to a certain extent. However, the filtration separation devices in the prior art generally have a significant defect, that is, during use, the filter core is easily clogged by impurities such as fruit and vegetable residues and fibers, resulting in a gradual decrease in filtration efficiency. In order to maintain the normal operation of the device, it is necessary to shut down the device regularly to clean or replace the filter core, which not only increases maintenance costs, but also reduces production efficiency and cannot meet the needs of continuous and large-scale production.

[0003] For example, traditional mechanical filtration devices usually use filter screens or filter cloths for solid-liquid separation. Although the structure is simple, when processing fruit and vegetable juices with high solid content, the pores of the filter screen are easily clogged and need to be frequently disassembled and cleaned. Similarly, although membrane filtration technology has a high filtration accuracy, during long-term operation, substances such as pectin and protein will accumulate on the membrane surface, forming a contamination layer, resulting in a decrease in flux, and performance needs to be restored through chemical cleaning or high-pressure backwashing. These operations are not only time-consuming and labor-intensive, but may also damage the filter element and shorten its service life. In addition, the existing technology lacks a composite filtration and separation device that can effectively reduce filter element clogging and achieve continuous operation, which to a certain extent limits the optimization and industrial application of the enzyme fruit and vegetable juice production process. Summary of the Invention

[0004] The purpose of the present invention is to provide an enzyme fruit and vegetable juice composite filtration and separation device, which solves the technical problem that the existing filtration and separation device needs to clean the filter element regularly during use and cannot operate continuously, so as to improve the filtration efficiency, reduce the maintenance frequency, and realize continuous production, thereby meeting the modern food processing industry's demand for efficient and stable filtration equipment.

[0005] The present invention solves the above-mentioned technical problems through the following technical solutions, which include: An elongated shell, wherein the elongated shell has a first chamber, and a second chamber and a third chamber are sequentially provided on both sides of the first chamber; A reciprocating filtering mechanism is disposed within the elongated housing and is used to filter and separate enzyme-containing fruit and vegetable juice. The reciprocating filtering mechanism includes two winding assemblies disposed in the two third chambers, respectively. One of the winding assemblies is provided with a first filter tape roll. The filter tape of the first filter tape roll passes through the two second chambers and the first chamber and is wound around the other winding assembly to form a second filter tape roll. A raw material discharge mechanism is provided in the first chamber and is used to discharge the enzyme fruit and vegetable juice onto the filter belt in the first chamber to filter the enzyme fruit and vegetable juice; Two cleaning mechanisms are respectively arranged in the two second chambers and are used to remove impurities on the filter belt.

[0006] Preferably, the cross-section of the filter belt is a U-shaped structure, the two vertical parts of the U-shaped structure are vertical filter screens, the horizontal part of the U-shaped structure is a horizontal filter screen, and the two vertical filter screens are connected to the horizontal filter screen through a lower circular soft strip, and the two vertical filter screens have an upper circular soft strip on the side away from the lower circular soft strip.

[0007] Preferably, the raw material discharge mechanism includes a rotating tube rotatably mounted on the inner wall of the first chamber, a water inlet pipe rotatably connected to the rotating tube is mounted on the elongated shell, and the water inlet pipe is connected to an external enzyme fruit and vegetable juice storage device, a flat tube is connected and fixed on the rotating tube, and the end of the flat tube away from the disc has openings facing upward and downward, and support rods fixed to the inner wall of the first chamber are provided on both sides of the rotating tube, and the rotating tube is connected to the upper circular soft strip by a flipping assembly to achieve flipping of the direction of the flat tube.

[0008] Preferably, the flipping assembly includes a first groove opened along the length direction of the upper circular soft strip and a disc fixed to the outer circumferential surface of the rotating tube, a plurality of evenly distributed first convex teeth are provided in the first groove, a plurality of second convex teeth are evenly fixed on the outer circumferential surface of the disc, and the second convex teeth are meshed and connected with the first convex teeth. When the filter belt moves initially, the second convex teeth cooperate with the first convex teeth to realize the angle flipping of the flat tube and turn the opening toward the side of the first filter belt roll; when the filter belt moves again, the second convex teeth cooperate with the first convex teeth to realize the vibration of the filter belt.

[0009] Preferably, a vibration component is provided between the inner wall of the first chamber and the lower circular soft strip, and the vibration component includes a connecting block fixed to the inner wall of the first chamber and a second groove opened along the length direction of the lower circular soft strip, and a plurality of evenly distributed third protrusions are provided in the second groove, and the connecting block is fixed with a fourth protrusion extending between the two third protrusions.

[0010] Preferably, the cleaning mechanism includes an air mold arranged inside the second chamber, and the air mold is connected to an external air pump device to remove impurities on the filter belt through the high-pressure airflow discharged by the air mold. The second chamber is provided with an impurity net located on the lower side of the filter belt, and the side wall of the second chamber is provided with an exhaust hole.

[0011] Preferably, the air mold includes a transverse air pipe fixed to the inner wall of the second chamber, an air outlet pipe is connected and fixed on the transverse air pipe, and the shape of the air outlet pipe fits the inner wall of the filter belt, an air outlet gap is opened on the outside of the air outlet pipe, and the transverse air pipe is connected to an external air pump equipment.

[0012] Preferably, the filter belt located in the first chamber is horizontally arranged, and the filter belts located in the two second chambers are tilted upward to prevent the enzyme fruit and vegetable juice from flowing into the second chamber.

[0013] Preferably, the elongated shell is partitioned by four partitions to form a first chamber, two second chambers and two third chambers, and a horizontal slit is provided on the partition, and both ends of the horizontal slit are connected to a lower circular through hole, and the two lower circular through holes are connected to a vertical slit, and the upper sides of the two vertical slits are connected to an upper circular through hole, and the horizontal filter, lower circular soft strip, vertical filter and upper circular soft strip pass through the horizontal slit, lower circular through hole, vertical slit and upper circular through hole respectively.

[0014] Preferably, the winding assembly includes a motor fixed to the outer wall of the elongated shell and a rotating roller detachably arranged on the inner wall of the third chamber, and the output end of the motor is connected to the rotating roller.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. The present invention adopts a reciprocating filtering mechanism, utilizes the first filter belt roll and the second filter belt roll to alternately reel up the filter belt, and cooperates with the cleaning mechanism to remove impurities on the filter belt in real time without stopping for cleaning or replacing the filter element. It effectively solves the problem that traditional filtering devices need to be cleaned regularly due to filter element clogging and cannot operate continuously, greatly improves production efficiency, and meets the needs of continuous and large-scale production of enzyme fruit and vegetable juice.

[0017] 2. The device adopts a U-shaped filter belt structure, combined with the synergistic effect of the vibration component and the flip component. The vibration of the filter belt promotes the rapid penetration of enzyme fruit and vegetable juice, reduces the accumulation of impurities on the filter screen, and thus improves the filtration efficiency and product quality.

[0018] 3. The two cleaning mechanisms automatically remove impurities on the filter belt through high-pressure airflow or negative pressure system, eliminating the need for frequent manual disassembly and cleaning of the filter element, reducing maintenance costs and operational complexity while extending the service life of the filter belt.

[0019] 4. The flat tube of the raw material discharge mechanism is flipped at an angle through a flip assembly to ensure that the enzyme fruit and vegetable juice is always discharged toward the side of the unused filter belt, extending the residence time of the juice on the filter belt and enhancing the filtration effect. At the same time, the U-shaped filter belt and the vertical filters on both sides effectively prevent the juice from overflowing, thereby improving the stability and reliability of the filtration. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 for Figure 1 A schematic diagram of a half-cutaway three-dimensional structure; Figure 3 for Figure 1 A schematic diagram of the main cross-sectional structure of FIG. Figure 4 for Figure 1 A schematic diagram of the three-dimensional structure of the raw material discharge mechanism; Figure 5 for Figure 1 A schematic diagram of the main cross-sectional structure of the raw material discharge mechanism; Figure 6 This is a schematic diagram of the structure of the first filter belt passing through the partition; Figure 7 for Figure 4 Schematic diagram of the top view of the vibration component; Figure 8 It is a schematic diagram of the three-dimensional structure of the cleaning mechanism; Figure 9 Schematic diagram of the three-dimensional structure of the exhaust pipe; The numbers in the figure represent: 1-elongated housing; 11-first chamber; 12-second chamber; 13-third chamber; 14-rotating roller; 151-lower circular through hole; 152-vertical slit; 153-transverse slit; 21 - motor; 22 - rotating roller; 23 - first filter belt roll; 231 - horizontal filter screen; 232 - vertical filter screen; 233 - lower round soft strip; 234 - upper round soft strip; 24 - second filter belt roll; 3-cleaning mechanism; 31-transverse air pipe; 32-exhaust pipe; 33-exhaust slit; 34-impurity net; 35-dustproof net; 4-Raw material discharge mechanism; 41-Rotating tube; 42-Disc; 421-Second convex tooth; 43-First groove; 431-First convex tooth; 44-Flat tube; 45-Baffle; 46-Support rod; 5-vibration assembly; 51-connecting block; 52-fourth protruding tooth; 53-second groove; 531-third protruding tooth. DETAILED DESCRIPTION

[0021] The above and other technical features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.

[0022] This embodiment provides a technical solution: an enzyme fruit and vegetable juice composite filtration and separation device, such as Figures 1 to 9 As shown, the apparatus comprises an elongated housing 1 and a reciprocating filtering mechanism, a raw material discharge mechanism 4, and two cleaning mechanisms 3, which are centrally arranged within the elongated housing 1. The elongated housing 1 has a first chamber 11, with a second chamber 12 and a third chamber 13 disposed on either side of the first chamber 11. The elongated housing 1 is partitioned by four partitions to form the first chamber 11, two second chambers 12, and two third chambers 13. A door is provided on the elongated housing 1 to facilitate maintenance of the equipment within the elongated housing 1.

[0023] The reciprocating filtering mechanism is arranged inside the elongated shell 1, which is used to filter and separate enzyme fruit and vegetable juice. The reciprocating filtering mechanism includes two winding assemblies respectively arranged in the two third chambers 13. The winding assembly includes a motor 21 fixed to the outer wall of the elongated shell 1 and a rotating roller 22 detachably arranged on the inner wall of the third chamber 13, and the output end of the motor 21 is connected to the rotating roller 22. The rotating roller 22 can be driven to rotate by running the motor 21. How the output end of the motor 21 is connected to the rotating roller 22 and how to achieve its use effect are all existing technologies for professional and technical personnel in this field and will not be described in detail herein; a first filter belt roll 23 is provided on the rotating roller 22 of one of the winding assemblies. The filter belt of the first filter belt roll 23 passes through the two second chambers 12 and the first chamber 11 and is wound around the other winding assembly to form a second filter belt roll 24. At the same time, the filter belt on one winding assembly is loosened and the filter belt on the other winding assembly is gradually wound, so that the filter belt can be pulled back and forth.

[0024] The cross-section of the filter belt is a U-shaped structure. The two vertical parts of the U-shaped structure are vertical filter screens 232, and the horizontal part of the U-shaped structure is a horizontal filter screen 231. The two vertical filter screens 232 are connected to the horizontal filter screen 231 through a lower circular soft strip 233. The two vertical filter screens 232 have an upper circular soft strip 234 on the side away from the lower circular soft strip 233. The mesh size of the horizontal filter screen 231 and the vertical filter screen 232 can be set as needed, and the vertical filter screens 232 on both sides can prevent the outflow of enzyme fruit and vegetable juice, thereby playing a protective role.

[0025] Furthermore, a transverse slit 153 is provided on the partition, and both ends of the transverse slit 153 are connected to the lower circular through hole 151, and the two lower circular through holes 151 are connected to the vertical slit 152, and the upper sides of the two vertical slits 152 are connected to the upper circular through hole 154. The transverse filter 231, the lower circular soft strip 233, the vertical filter 232 and the upper circular soft strip 234 pass through the transverse slit 153, the lower circular through hole 151, the vertical slit 152 and the upper circular through hole 154 respectively, and are located on both sides of the partition The upper horizontal slit 153, lower circular through hole 151, vertical slit 152 and upper circular through hole 154 are located at a higher position than the horizontal slit 153, lower circular through hole 151, vertical slit 152 and upper circular through hole 154 on the two inner partitions; this arrangement allows the filter belt in the first chamber 11 to be arranged horizontally, and the filter belts in the two second chambers 12 to be arranged upwardly tilted, that is, the unfolded filter belt presents a structural layout with a low middle and high sides, so as to prevent the enzyme fruit and vegetable juice from flowing into the second chamber 12. A plurality of rollers 14 are rotatably installed in the first chamber 11, and the rollers 14 are used to support the filter belt in the first chamber 11 and increase the load-bearing capacity of the filter belt in the first chamber 11.

[0026] The raw material discharge mechanism 4 is arranged in the first chamber 11, and is used to discharge the enzyme fruit and vegetable juice onto the filter belt in the first chamber 11. The enzyme fruit and vegetable juice passes through the horizontal filter screen 231 or the vertical filter screen 232 on the filter belt, and impurities will remain on the inner side of the horizontal filter screen 231 and the vertical filter screen 232 to achieve the filtration of the enzyme fruit and vegetable juice.

[0027] The raw material discharge mechanism 4 includes a rotating tube 41 rotatably mounted on the inner wall of the first chamber 11. A water inlet pipe rotatably connected to the rotating tube 41 is installed on the elongated shell 1, and the water inlet pipe is connected to an external enzyme fruit and vegetable juice storage device for continuously providing enzyme fruit and vegetable juice to the rotating tube 41. A water outlet pipe is installed at the bottom of the first chamber 11, which is connected to an external storage device to store the filtered enzyme fruit and vegetable juice. A flat tube 44 is fixedly connected to the rotating tube 41. One end of the flat tube 44 is away from the disc 42. It has openings facing upward and downward, and baffles 45 are fixed on both sides of the openings to block the discharge of enzyme fruit and vegetable juice. Support rods 46 fixed to the inner wall of the first chamber 11 are provided on both sides of the rotating tube 41. The rotating tube 41 and the upper round soft strip 234 are connected by a flipping assembly to achieve the flipping of the direction of the flat tube 44. When the flat tube 44 flips to one side, the flat tube 44 will be placed on the corresponding support rod 46 to ensure that the flat tube 44 can no longer rotate and remains in a horizontal state.

[0028] Furthermore, the flip assembly includes a first groove 43 opened along the length direction of the upper round soft strip 234 and a disc 42 fixed to the outer circumference of the rotating tube 41. A plurality of first convex teeth 431 are evenly distributed in the first groove 43. A plurality of second convex teeth 421 are evenly fixed to the outer circumference of the disc 42, and the second convex teeth 421 are meshed and connected with the first convex teeth 431. When the filter belt is initially moved, the second convex teeth 421 cooperate with the first convex teeth 431 to pull the rotating tube 41 to rotate, thereby realizing the angle flip of the flat tube 44, and the opening is facing the side of the first filter belt roll 23, which is unused. The side of the filter belt is transmitted until the flat tube 44 is erected on the corresponding support rod 46. As the filter belt continues to move, since the upper circular soft strip 234 is made of elastic material, it has a certain elasticity itself, and the disc 42 cannot be flipped, that is, under the cooperation of the second convex teeth 421 and the first convex teeth 431, the upper circular soft strip 234 will be squeezed downward. Then, when the second convex teeth 421 and the first convex teeth 431 are staggered, the upper circular soft strip 234 will bounce upward due to its own elasticity. With the cooperation of multiple first convex teeth 431, the filter belt can be continuously vibrated, thereby promoting the filtration efficiency of the enzyme fruit and vegetable juice.

[0029] In order to further enhance the filtration efficiency of enzyme fruit and vegetable juice, a vibration component 5 is jointly provided between the inner wall of the first chamber 11 and the lower circular soft strip 233. The vibration component 5 includes a connecting block 51 fixed to the inner wall of the first chamber 11 and a second groove 53 opened along the length direction of the lower circular soft strip 233. A plurality of evenly distributed third convex teeth 531 are provided in the second groove 53. The connecting block 51 is fixed with a fourth convex tooth 52 extending between the two third convex teeth 531. The vibration component 5 has the same principle as the vibration generated by the second convex tooth 421 and the first convex tooth 431, and is used to drive the two lower circular soft strips 233 to vibrate, which will further drive the horizontal filter 231 to vibrate.

[0030] The two cleaning mechanisms 3 are respectively arranged in the two second chambers 12, which are used to remove impurities on the filter belt; the cleaning mechanism 3 includes an air mold arranged inside the second chamber 12, and the air mold is connected to an external air pump device. When the air pump is running, the high-pressure airflow generated is discharged through the air mold to impact and crush the impurities on the filter belt. Finally, under the action of the high-pressure airflow, the impurities are discharged through the horizontal filter screen 231 and the vertical filter screen 232 to achieve the removal of impurities. The second chamber 12 is provided with an impurity net 34 located on the lower side of the filter belt. Impurities will fall on the impurity net 34. The impurity net 34 is pull-out type and can be pulled out to clean the impurities on the impurity net 34. The side wall of the second chamber 12 is provided with an exhaust through-hole, which is used for high-pressure airflow discharge. A dustproof net 35 is provided in the exhaust through-hole. The dustproof net 35 can prevent external dust from entering the interior of the elongated shell 1.

[0031] The air mold includes a transverse air pipe 31 fixed to the inner wall of the second chamber 12, and an air outlet pipe 32 is connected and fixed on the transverse air pipe 31. The shape of the air outlet pipe 32 fits the inner wall of the filter belt, that is, it is a U-shaped structure. An air outlet gap 33 is opened on the outside of the air outlet pipe 32. The transverse air pipe 31 is connected to an external air pump equipment. The high-pressure airflow is discharged through the air outlet gap 33 to remove impurities on the filter belt.

[0032] In other embodiments, the air mold may also be connected to a negative pressure system. The negative pressure generated will cause impurities to be sucked in through the air outlet slits 33 and eventually remove the impurities. This principle is the same as that of a vacuum cleaner.

[0033] When the filter belt is in use, the two reel assemblies are first operated, the second filter belt roll 24 reels up the filter belt, and the filter belt on the first filter belt roll 23 is gradually loosened, so that the filter belt in the first chamber 11 is in a moving state. At this time, due to the cooperation of the flip assembly, the flat tube 44 is flipped to one side of the first filter belt roll 23, and the opening of the flat tube 44 is close to the first filter belt roll 23. This arrangement allows the enzyme fruit and vegetable juice to stay on the filter belt in the first chamber 11 for a certain period of time to ensure the effect of enzyme fruit and vegetable juice filtration; then the operation is continued, and the enzyme fruit and vegetable juice can be filtered by the moving filter belt, and at the same time, the filter belt is cleaned by the cleaning mechanism 3. After cleaning, the filter belt will be reeled onto the second filter belt roll 24 again. When the filter belt on the first filter belt roll 23 is almost used up, the two reel assemblies can be operated in the reverse direction, that is, the filter belt on the second filter belt roll 24 is loosened, and the first filter belt roll 23 reels the filter belt, and the operation is repeated.

[0034] The above description is merely a preferred embodiment of the present invention and is intended to be illustrative rather than restrictive of the present invention. Those skilled in the art will appreciate that many changes, modifications, and even equivalents may be made to the present invention within the spirit and scope of the claims, all of which fall within the scope of protection of the present invention.

Claims

1. An enzyme fruit and vegetable juice composite filtration and separation device, characterized in that: include: An elongated shell (1), wherein the elongated shell (1) has a first chamber (11) therein, and a second chamber (12) and a third chamber (13) are sequentially provided on both sides of the first chamber (11); A reciprocating filtering mechanism is provided inside the elongated housing (1) and is used for filtering and separating enzyme fruit and vegetable juice. The reciprocating filtering mechanism comprises two winding assemblies respectively provided in two third chambers (13), one of the winding assemblies being provided with a first filter tape roll (23), the filter tape of the first filter tape roll (23) passing through the two second chambers (12) and the first chamber (11) and being wound onto the other winding assembly to form a second filter tape roll (24); A raw material discharge mechanism (4), the raw material discharge mechanism (4) being arranged in the first chamber (11) and being used for discharging the enzyme fruit and vegetable juice onto the filter belt in the first chamber (11) to achieve filtration of the enzyme fruit and vegetable juice; Two cleaning mechanisms (3) are respectively arranged in the two second chambers (12) and are used to remove impurities on the filter belt.

2. The enzyme fruit and vegetable juice composite filtration and separation device according to claim 1, characterized in that: The cross-section of the filter belt is a U-shaped structure, the two vertical parts of the U-shaped structure are vertical filter screens (232), the horizontal part of the U-shaped structure is a horizontal filter screen (231), and the two vertical filter screens (232) are connected to the horizontal filter screen (231) through a lower circular soft strip (233), and the two vertical filter screens (232) have an upper circular soft strip (234) on the side away from the lower circular soft strip (233).

3. The enzyme fruit and vegetable juice composite filtration and separation device according to claim 2, characterized in that: The raw material discharge mechanism (4) includes a rotating tube (41) rotatably mounted on the inner wall of the first chamber (11); a water inlet pipe rotatably connected to the rotating tube (41) is mounted on the elongated shell (1), and the water inlet pipe is connected to an external enzyme fruit and vegetable juice storage device; a flat tube (44) is connected and fixed to the rotating tube (41); an end of the flat tube (44) away from the disc (42) has an opening facing upward and downward; both sides of the rotating tube (41) are provided with a support rod (46) fixed to the inner wall of the first chamber (11); the rotating tube (41) and the upper round soft strip (234) are connected by a flip assembly to realize the flipping of the direction of the flat tube (44).

4. The enzyme fruit and vegetable juice composite filtration and separation device according to claim 3, characterized in that: The flip assembly comprises a first groove (43) provided along the length direction of the upper circular soft strip (234) and a disc (42) fixed to the outer circumferential surface of the rotating tube (41); a plurality of evenly distributed first protruding teeth (431) are provided in the first groove (43); a plurality of evenly distributed second protruding teeth (421) are evenly fixed to the outer circumferential surface of the disc (42), and the second protruding teeth (421) are meshed and connected with the first protruding teeth (431); when the filter belt initially moves, the second protruding teeth (421) cooperate with the first protruding teeth (431) to achieve an angle flip of the flat tube (44) and direct the opening toward one side of the first filter belt roll (23); when the filter belt moves again, the second protruding teeth (421) cooperate with the first protruding teeth (431) to achieve vibration of the filter belt.

5. The enzyme fruit and vegetable juice composite filtration and separation device according to claim 2, characterized in that: A vibration assembly (5) is provided between the inner wall of the first chamber (11) and the lower circular soft strip (233). The vibration assembly (5) comprises a connecting block (51) fixed to the inner wall of the first chamber (11) and a second groove (53) provided along the length direction of the lower circular soft strip (233). A plurality of evenly distributed third protruding teeth (531) are provided in the second groove (53). A fourth protruding tooth (52) extending between two third protruding teeth (531) is fixed to the connecting block (51).

6. The enzyme fruit and vegetable juice composite filtration and separation device according to claim 1, characterized in that: The cleaning mechanism (3) includes an air mold arranged inside the second chamber (12), and the air mold is connected to an external air pump device so that impurities on the filter belt can be removed by high-pressure air discharged through the air mold. The second chamber (12) is provided with an impurity net (34) located on the lower side of the filter belt, and the side wall of the second chamber (12) is provided with an exhaust hole.

7. The enzyme fruit and vegetable juice composite filtration and separation device according to claim 6, characterized in that: The air mold comprises a transverse air pipe (31) fixed to the inner wall of the second chamber (12); an air outlet pipe (32) is connected and fixed to the transverse air pipe (31); the outer shape of the air outlet pipe (32) is in contact with the inner wall of the filter belt; an air outlet slit (33) is provided on the outer side of the air outlet pipe (32); and the transverse air pipe (31) is connected to an external air pump device.

8. The enzyme fruit and vegetable juice composite filtration and separation device according to claim 1, characterized in that: The filter belt located in the first chamber (11) is arranged horizontally, and the filter belts located in the two second chambers (12) are arranged upwardly tilted, so as to prevent the enzyme fruit and vegetable juice from flowing into the second chambers (12).

9. The enzyme fruit and vegetable juice composite filtration and separation device as claimed in claim 2, characterized in that: The elongated shell (1) is partitioned by four partitions to form a first chamber (11), two second chambers (12), and two third chambers (13). The partitions are provided with transverse slits (153). Both ends of the transverse slits (153) are connected to lower circular through holes (151). The two lower circular through holes (151) are connected to vertical slits (152). The upper sides of the two vertical slits (152) are connected to upper circular through holes (154). The transverse filter (231), the lower circular soft strip (233), the vertical filter (232), and the upper circular soft strip (234) pass through the transverse slits (153), the lower circular through holes (151), the vertical slits (152), and the upper circular through holes (154), respectively.

10. The enzyme fruit and vegetable juice composite filtration and separation device according to claim 1, characterized in that: The winding assembly comprises a motor (21) fixed to the outer wall of the elongated housing (1) and a rotating roller (22) detachably arranged on the inner wall of the third chamber (13), and the output end of the motor (21) is connected to the rotating roller (22).

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