Crushing and extruding device for producing plant drink for protecting eyesight

Abstract

The utility model belongs to the technical field of crushing and extruding in plant beverage production, and discloses a crushing and extruding device for plant beverage production for protecting eyesight, which comprises a tank body, a blocking component is fixedly mounted in the tank body close to the upper end, and an extruding device is arranged in the middle of the blocking component. The extrusion device is rotationally installed on the inner wall of the tank body, adjusting devices are arranged at the positions, corresponding to the extrusion device, of the two outer walls of the tank body, a filter screen is detachably installed at the position, located below the blocking assembly, in the tank body, an acceleration filtering assembly is arranged on the filter screen, and the acceleration filtering assembly is rotationally installed at the bottom of the tank body at the same time; a circulating device is arranged on the outer wall of the tank body; two ends of the circulating device are communicated with the interior of the tank body; the device is simple in overall structure, raw materials of plant drinks can be extruded for multiple times, it is guaranteed that effective components in the raw materials are fully released, and the using effect is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of crushing and extruding in the production of plant drinks, and specifically relates to a crushing and extruding device for producing plant drinks for protecting eyesight. Background Art

[0002] In today's society, with the accelerated pace of life and the popularity of electronic products, people's vision health problems are becoming increasingly prominent. In order to meet consumers' demand for healthy drinks, especially in terms of vision protection, various plant drinks with health functions have emerged on the market, such as plant drinks made from carrots, chrysanthemums, wolfberries, mulberries, purple cabbage, etc. These plant drinks usually contain ingredients that are beneficial to the eyes, such as vitamin A, lutein, zeaxanthin, etc.; there are also some plant drinks made from Chinese medicinal materials, such as heat-clearing and eye-improving tea made from Chinese medicinal materials such as raw rehmannia, ophiopogon japonicus, chrysanthemum, and erhua, which are increasingly favored by consumers.

[0003] The production process of the above-mentioned plant beverages includes raw material collection and processing, juice preparation, blending and mixing, sterilization and disinfection, packaging and finished products; especially the juice preparation process, it is necessary to fully release the effective ingredients for protecting eyesight such as vitamin A, lutein, zeaxanthin, etc. contained in the selected raw materials for extraction, and then filter and collect. The existing equipment for preparing juice usually crushes and squeezes the selected raw materials first, then adds enzyme preparations to carry out enzymatic hydrolysis reaction to improve the quality of the juice, and then directly filters; the existing equipment usually does not complete the crushing and squeezing steps, which reduces the production quality of this type of plant beverage. Utility Model Content

[0004] The main technical problem to be solved by the utility model is to provide a crushing and extruding device for producing plant drinks for protecting eyesight, which has a simple overall structure and can perform multiple extrusions on the raw materials of plant drinks to ensure that the effective ingredients in the raw materials are fully released and improve the use effect.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] A crushing and squeezing device for producing plant drinks for protecting eyesight comprises a tank body, a blocking component is fixedly installed near the upper end of the tank body, an squeezing device is arranged at the middle position of the blocking component, the squeezing device is rotatably installed on the inner wall of the tank body, a first driving component for driving the squeezing device to rotate is adjustably installed at a position corresponding to the squeezing device on the outer wall of the tank body, an adjusting device is arranged at positions corresponding to the squeezing device on both outer walls of the tank body, a filter screen is detachably installed at a position below the blocking component inside the tank body, an accelerating filtering component is arranged on the filter screen, the accelerating filtering component is rotatably installed on the bottom of the tank body at the same time, a second driving component for driving the accelerating filtering component to rotate is arranged on the outer side of the bottom of the tank body, a circulation device is arranged on the outer wall of the tank body, and both ends of the circulation device are connected to the inside of the tank body.

[0007] The following is a further optimization of the above technical solution by the utility model:

[0008] A feed port is provided near the middle position of the upper end surface of the tank body, a circulation inlet is provided near the feed port position of the upper end surface of the tank body, a discharge port is provided on the outer wall of one side of the lower end of the tank body, a circulation outlet is provided on the outer wall of one side of the lower end of the tank body near the discharge port position, one end of the circulation device is connected to the circulation inlet, and the other end of the circulation device is connected to the circulation outlet;

[0009] A switch door is hinged on the outer wall of the tank body on one side opposite to the discharge port.

[0010] Further optimization: the blocking assembly includes two blocking blocks fixedly installed at the upper positions of the two inner walls of the tank body, and mounting grooves are provided at the middle positions of the opposite end surfaces of the two blocking blocks;

[0011] Baffles are hinged on the opposite end surfaces of the two blocking blocks near the feed port through hinges, and multiple torsion springs arranged at intervals are fixedly installed between the baffles and the corresponding blocking blocks. One end of the torsion spring is fixedly connected to the baffle, and the other end of the torsion spring is fixedly connected to the blocking block.

[0012] Further optimization: the extrusion device includes two rotating shafts rotatably connected to the inner wall of the tank body, which are spaced apart and symmetrically arranged. Extrusion rollers are fixedly installed on the surfaces of the two rotating shafts. The size of the rotating shafts matches the mounting grooves, and the outer surfaces of the two extrusion rollers are connected to the corresponding baffles.

[0013] Further optimization: the adjusting device includes an adjusting plate which is adjustably mounted on the outer wall of the tank away from the first driving assembly, and the position of the adjusting plate corresponds to that of the rotating shaft.

[0014] Further optimization: two symmetrically arranged scales are respectively provided on two opposite outer walls of the tank body near the rotation axis.

[0015] Further optimization: the accelerated filtering assembly includes two rotating shafts rotatably connected to the filter screen and arranged symmetrically and at intervals. The two rotating shafts are located above the filter screen and are detachably installed with rotating brushes. The bristle ends of the two rotating brushes are in contact with the surface of the filter screen at the same time.

[0016] Further optimization: an inclined block is fixedly installed on the bottom surface of the tank body, and the short end of the inclined block is arranged close to the discharge port.

[0017] Further optimization: the circulation device includes a delivery pipe connected to the circulation outlet, the other end of the delivery pipe is connected to the circulation inlet, and a centrifugal pump is connected to the middle position of the delivery pipe.

[0018] The utility model adopts the above technical scheme, has an ingenious conception and a reasonable structure, can perform multiple cycles of extrusion on the crushed raw materials in the juice preparation process in the production process of plant beverages, and can accurately adjust the spacing between the extrusion rollers, thereby achieving different degrees of extrusion of the crushed raw materials, ensuring that the effective ingredients in the raw materials can be fully released, improving the production and processing quality of plant beverages, and being convenient to use. At the same time, it can improve production efficiency, is safe and reliable, and is easy to operate. The overall structure is simple, convenient to manufacture and produce, and can reduce production and use costs and increase economic benefits.

[0019] The mixed juice of the extruded raw materials falls onto the filter. At this time, the rotating brush on the filter rotates on the filter, and the bristles of the rotating brush act on the filter at the same time, which can speed up the filtration and clean the clogged mesh holes on the filter in real time to ensure the filtration rate. When the filter needs to be cleaned, just open the switch door, remove the filter and take it out for cleaning. The whole process is simple to operate and easy to use.

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure in the embodiment of the utility model;

[0022] Figure 2 It is a cross-sectional view of the overall structure in the embodiment of the utility model;

[0023] Figure 3 It is a top view of the overall structure in the embodiment of the utility model;

[0024] Figure 4 This is a structural diagram of location A in an embodiment of the present utility model.

[0025] In the figure: 1-tank body; 11-feeding port; 12-circulation inlet; 13-discharge port; 14-circulation outlet; 15-opening and closing door; 16-sealing pad; 17-handle; 18-support leg; 2-blocking assembly; 21-blocking block; 22-baffle; 23-torsion spring; 24-mounting groove; 3-extrusion device; 31-rotating shaft; 32-extrusion roller; 33-first motor; 34-motor mounting bracket; 4-adjusting device; 41-adjusting plate; 42-ruler; 43-U-shaped groove; 44-silicone baffle; 5-filter screen; 6-accelerating filtration assembly; 61-rotating brush; 62-rotating shaft; 63-pulley; 64-belt; 65-second motor; 66-protective cover; 67-oblique block; 7-circulation device; 71-conveying pipe; 72-centrifugal pump. DETAILED DESCRIPTION

[0026] like Figure 1-4 As shown: A crushing and extruding device for producing plant drinks for protecting eyesight, including a tank body 1, a blocking component 2 is fixedly installed near the upper end of the tank body 1, an extruding device 3 is arranged at the middle position of the blocking component 2, the extruding device 3 is rotatably installed on the inner wall of the tank body 1, and a first driving component for driving the extruding device 3 to rotate is adjustably installed at a position corresponding to the extruding device 3 on the outer wall of the tank body 1, and an adjusting device 4 is arranged at positions corresponding to the extruding device 3 on both outer walls of the tank body 1, a filter screen 5 is detachably installed at a position below the blocking component 2 inside the tank body 1, an accelerating filtering component 6 is arranged on the filter screen 5, and the accelerating filtering component 6 is rotatably installed on the bottom of the tank body 1 at the same time, and a second driving component for driving the accelerating filtering component 6 to rotate is arranged on the outer side of the bottom of the tank body 1, and a circulation device 7 is arranged on the outer wall of the tank body 1, and both ends of the circulation device 7 are connected to the inside of the tank body 1.

[0027] In this embodiment, the tank body 1 is made of food-grade stainless steel plate.

[0028] The lower end surface of the tank body 1 is provided with a plurality of supporting legs 18 in a square array. With this design, the tank body 1 can be directly placed on the ground for use.

[0029] A feed port 11 is provided near the middle position on the upper end surface of the tank body 1, one end of the feed port 11 is connected to the interior of the tank body 1, and the other end of the feed port 11 is connected to a crushing device for crushing raw materials required for plant beverages through a pipeline, which is not indicated in the figure.

[0030] A circulation inlet 12 is provided on the upper end surface of the tank body 1 near the feed port 11 , and one end of the circulation device 7 is connected to the circulation inlet 12 .

[0031] A discharge port 13 is provided on the outer wall of one side of the lower end of the tank body 1, and the discharge port 13 is connected to a device for mixing the filtered juice of the plant beverage through a pipeline, which is not indicated in the figure.

[0032] A switch valve is also provided on the pipeline connected to the discharge port 13. This design can control the output of the filtered juice and facilitate operation.

[0033] A circulation outlet 14 is provided on the outer wall of one side of the lower end of the tank body 1 near the discharge port 13 , and the other end of the circulation device 7 is connected to the circulation outlet 14 .

[0034] A switch door 15 is hingedly connected to the outer wall of the tank body 1 on one side opposite to the discharge port 13 , and the switch door 15 is located above the filter screen 5 .

[0035] A door lock and a handle 17 are fixedly mounted on the outer side of the switch door 15, and the door lock is not indicated in the figure.

[0036] A sealing gasket 16 is movably placed on a surface of the switch door 15 opposite to the tank body 1 near the peripheral position.

[0037] With this design, the filter screen 5 in the tank body 1 can be easily disassembled and cleaned through the switch door 15. At the same time, when the switch door 15 is closed, the sealing gasket 16 plays a sealing role to prevent the juice in the tank body 1 from leaking from the switch door 15, and to prevent bacteria in the external environment from entering the tank body 1 and contaminating the juice.

[0038] like Figure 4 As shown, the blocking assembly 2 includes two blocking blocks 21 fixedly mounted at upper positions of two inner walls of the tank body 1 .

[0039] The two blocking blocks 21 are arranged symmetrically, and the end faces of the two blocking blocks 21 close to the inner top wall of the tank body 1 are both provided with inclined surfaces, and the inclined surfaces and the inner wall of the tank body 1 together form a funnel. With this design, the crushed raw materials can quickly slide downward through the feed port 11.

[0040] A mounting groove 24 is formed at the middle of the opposite end surfaces of the two blocking blocks 21 .

[0041] Baffle plates 22 are hingedly connected on opposite end surfaces of the two blocking blocks 21 at positions close to the feed inlet 11 via hinges.

[0042] A plurality of torsion springs 23 arranged at intervals are fixedly installed between the baffle plate 22 and the corresponding blocking block 21 , wherein one end of the torsion spring 23 is fixedly connected to the baffle plate 22 , and the other end of the torsion spring 23 is fixedly connected to the blocking block 21 .

[0043] The torsion spring 23 is used to ensure that the baffle 22 tilts downward in a natural state.

[0044] The principle of the torsion spring 23 is well known in the prior art and will not be described in detail here.

[0045] The extrusion device 3 includes two rotating shafts 31 rotatably connected to the inner wall of the tank body 1 through bearings and arranged symmetrically at intervals.

[0046] The two rotating shafts 31 are respectively located in the mounting grooves 24 .

[0047] Extrusion rollers 32 are fixedly mounted on the surfaces of the two rotating shafts 31 . The size of the extrusion rollers 32 matches the mounting groove 24 . In this embodiment, the two extrusion rollers 32 rotate towards each other under the drive of the two rotating shafts 31 .

[0048] The outer surfaces of the two squeezing rollers 32 are in contact with the corresponding baffles 22 .

[0049] When the baffle plate 22 abuts against the surface of the squeezing roller 32 , the torsion spring 23 stretches the baffle plate 22 . The purpose of this design is to ensure that the baffle plate 22 can always abut against the baffle plate 22 when the squeezing roller 32 rotates.

[0050] When in use, the crushed raw materials slide from the funnel to the baffle 22 and enter between the two squeezing rollers 32, while preventing the crushed raw materials from entering the mounting groove 24, ensuring that the crushed raw materials can be fully squeezed.

[0051] The first driving assembly includes two motor mounting brackets 34 which are adjustably mounted on the outer wall of one side of the tank body 1 .

[0052] The two motor mounting brackets 34 correspond to the positions of the rotating shaft 31 respectively.

[0053] The first motors 33 are fixedly mounted on the two motor mounting frames 34 , and the power output ends of the two first motors 33 pass through the corresponding motor mounting frames 34 and are fixedly connected to the rotating shafts 31 respectively.

[0054] In this embodiment, the two first motors 33 rotate in opposite directions, thereby driving the two rotating shafts 31 to drive the two squeezing rollers 32 to rotate towards each other.

[0055] like Figure 1 As shown, the adjusting device 4 includes an adjusting plate 41 which is adjustably mounted on the outer wall of the tank body 1 away from the first motor 33 and at a position corresponding to the rotating shaft 31.

[0056] The other ends of the two rotating shafts 31 penetrate the inner wall of the tank body 1 and are rotatably connected to the corresponding adjustment plates 41 through bearings.

[0057] Three U-shaped grooves 43 arranged parallel to each other are provided on the tank body 1 at positions corresponding to the upper and lower ends of the adjustment plate 41 and the rotating shaft 31 , and the three U-shaped grooves 43 penetrate two opposite inner walls of the tank body 1 .

[0058] The upper and lower ends of the adjustment plate 41 are detachably mounted on the corresponding U-shaped grooves 43 by bolts.

[0059] Both ends of the two rotating shafts 31 pass through the corresponding U-shaped grooves 43 .

[0060] At the same time, the upper and lower ends of the two motor mounting brackets 34 are detachably mounted on the corresponding U-shaped grooves 43 by bolts.

[0061] Two symmetrically arranged scales 42 are respectively provided on two opposite outer walls of the tank body 1 near the rotating shaft 31 , and the scales 42 are arranged along the length direction of the U-shaped groove 43 .

[0062] The U-shaped groove 43 is fixedly provided with toothed silicone baffles 44 at both upper and lower ends. With this design, the silicone baffles 44 seal the interior of the tank body 1 to prevent the juice from splashing out.

[0063] Such a design can accurately adjust the distance between the two squeezing rollers 32, thereby adjusting the degree to which the crushed raw material is squeezed between the two squeezing rollers 32, thereby improving the release rate of the active ingredients.

[0064] When the particle size of the raw material just crushed is large, loosen the bolts fixing the motor mounting frame 34 and the adjusting plate 41, and move the two rotating shafts 31 away from each other by hand according to the scale of the ruler 42. When they move to the scale of the appropriate ruler 42, tighten the bolts fixing the motor mounting frame 34 and the adjusting plate 41 to squeeze the raw material.

[0065] When the juice needs to be squeezed out again after squeezing, loosen the bolts fixing the motor mounting frame 34 and the adjustment plate 41, and move the two rotating shafts 31 toward each other according to the scale of the ruler 42 by hand. When they move to the scale of the appropriate ruler 42, tighten the bolts fixing the motor mounting frame 34 and the adjustment plate 41 to squeeze the raw material again, which is convenient for adjustment.

[0066] When the two rotating shafts 31 are moving, the silicone blocking sheet 44 does not hinder the movement of the rotating shafts 31 , and at the same time seals the tank body 1 , preventing juice from splashing out when the two squeezing rollers 32 are squeezing.

[0067] The accelerating filtering assembly 6 includes two rotating shafts 62 which are rotatably connected to the filter screen 5 and are symmetrically and spaced apart.

[0068] The two rotating shafts 62 are located above the filter screen 5 and are both detachably mounted with rotating brushes 61 via bolts. The bristle ends of the two rotating brushes 61 are in contact with the surface of the filter screen 5 at the same time.

[0069] An inclined block 67 is fixedly mounted on the inner bottom surface of the tank body 1 , and a short end of the inclined block 67 is arranged close to the discharge port 13 .

[0070] With this design, the juice filtered from the filter screen 5 is collected at the position of the discharge port 13 under the action of the inclined block 67 .

[0071] The other ends of the two rotating shafts 62 penetrate the filter screen 5 , the inclined block 67 and the bottom surface of the tank body 1 .

[0072] A mechanical seal is provided at the rotation connection between the two rotating shafts 62 and the bottom surface of the tank body 1 to prevent the juice from leaking from the bottom surface of the tank body 1 .

[0073] The second driving assembly includes a pulley 63 fixedly mounted on the rotating shaft 62 at one end outside the tank body 1. Correspondingly, in this embodiment, the number of the pulleys 63 is two.

[0074] A belt 64 is connected to the outer surface of the pulley 63 .

[0075] A second motor 65 is fixedly connected to one end of a rotating shaft 62 close to a pulley 63. The second motor 65 is designed so that the power output end drives the rotating shaft 62 to rotate, and under the transmission action of the pulley 63 and the belt 64, the other rotating shaft 62 is driven to rotate, thereby driving the rotating brush 61 to work on the filter 5.

[0076] A protective cover 66 is fixedly installed on the outer wall of the bottom of the tank body 1 at a position corresponding to the second motor 65 . The second motor 65 is fixedly installed on the inner wall of the protective cover 66 . The pulley 63 and the belt 64 are located inside the protective cover 66 .

[0077] With such a design, the protective cover 66 protects the second motor 65 , the pulley 63 , and the belt 64 .

[0078] The circulation device 7 includes a delivery pipe 71 connected to the circulation outlet 14 , and the other end of the delivery pipe 71 is connected to the circulation inlet 12 .

[0079] The middle position of the delivery pipe 71 is connected to a centrifugal pump 72 .

[0080] When in use, first loosen the bolts fixing the motor mounting frame 34 and the adjustment plate 41, and adjust the distance between the two squeezing rollers 32 according to the scale 42. After the adjustment is completed, tighten the bolts fixing the motor mounting frame 34 and the adjustment plate 41, start the two first motors 33, and drive the two squeezing rollers 32 to rotate towards each other.

[0081] The crushed raw materials enter the funnel in the tank body 1 through the feed inlet 11, then slide onto the baffle 22, and then enter between the two squeezing rollers 32. The two squeezing rollers 32 squeeze out juice from the raw materials between them, and the squeezed raw material mixed juice immediately falls on the filter screen 5. At this time, the second motor 65 is started, and the two rotating shafts 62 are driven to rotate under the joint action of the pulley 63 and the belt 64, so that the rotating brush 61 rotates, speeding up the filtering effect of the filter screen 5, and at the same time, the filter holes of the filter screen 5 are cleaned at any time to ensure the filtering efficiency.

[0082] The juice filtered from the filter screen 5 is gathered at the discharge port 13. At this time, the centrifugal pump 72 is started to suck the juice to the circulation inlet 12, and re-enter the tank body 1 to fully circulate and squeeze the juice to further release the effective ingredients in the juice. In this process, the bolts fixing the motor mounting frame 34 and the adjustment plate 41 can be loosened, and the two squeezing rollers 32 can be adjusted in a direction close to each other according to the scale 42 to increase the squeezing degree of the two squeezing rollers 32 to ensure that the effective ingredients in the raw materials are fully released.

[0083] When the squeezing and filtering is completed, the centrifugal pump 72 is turned off, the switch valve is opened, and the juice is transported through the pipeline to the next process equipment for further production and processing.

[0084] Then open the switch door 15, remove the rotating brush 61 and the filter screen 5, and clean the outside, which is convenient for disassembly and assembly.

[0085] In this embodiment, the first motor 33, the second motor 65 and the centrifugal pump 72 are all externally purchased parts and are electrically connected to an external main power supply. The specific working principles thereof will not be described in detail herein.

[0086] For ordinary technicians in this field, according to the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and deformations made to the implementation methods are still within the protection scope of the present invention.

Claims

1. A crushing and squeezing device for producing a plant beverage for protecting eyesight, comprising a tank body (1), characterized in that: A blocking component (2) is fixedly installed near the upper end of the tank body (1), an extrusion device (3) is arranged at the middle position of the blocking component (2), and the extrusion device (3) is rotatably installed on the inner wall of the tank body (1). A first driving component for driving the extrusion device (3) to rotate is adjustably installed at a position corresponding to the extrusion device (3) on the outer wall of the tank body (1), and an adjustment device (4) is arranged at positions corresponding to the extrusion device (3) on both outer walls of the tank body (1). A filter screen (5) is detachably installed at a position below the blocking component (2) in the tank body (1), and an accelerating filter component (6) is arranged on the filter screen (5). The accelerating filter component (6) is rotatably installed on the bottom of the tank body (1). A second driving component for driving the accelerating filter component (6) to rotate is arranged on the outer side of the bottom of the tank body (1). A circulation device (7) is arranged on the outer wall of the tank body (1), and both ends of the circulation device (7) are connected to the inside of the tank body (1).

2. The crushing and extruding device for producing a plant beverage for protecting eyesight according to claim 1, characterized in that: A feed port (11) is provided on the upper end surface of the tank body (1) near the middle position, a circulation inlet (12) is provided on the upper end surface of the tank body (1) near the feed port (11), a discharge port (13) is provided on the outer wall of one side of the lower end of the tank body (1), a circulation outlet (14) is provided on the outer wall of one side of the lower end of the tank body (1) near the discharge port (13), one end of the circulation device (7) is connected to the circulation inlet (12), and the other end of the circulation device (7) is connected to the circulation outlet (14); A switch door (15) is hingedly connected to the outer wall of the tank body (1) on the side opposite to the discharge port (13).

3. The crushing and extruding device for producing a plant beverage for protecting eyesight according to claim 2, characterized in that: The blocking assembly (2) comprises two blocking blocks (21) fixedly mounted above the two inner walls of the tank body (1), and mounting grooves (24) are provided at the middle positions of the opposite end surfaces of the two blocking blocks (21); A baffle plate (22) is hingedly connected to the opposing end surfaces of the two blocking blocks (21) at a position close to the feed port (11). A plurality of torsion springs (23) arranged at intervals are fixedly installed between the baffle plate (22) and the corresponding blocking block (21). One end of the torsion spring (23) is fixedly connected to the baffle plate (22), and the other end of the torsion spring (23) is fixedly connected to the blocking block (21).

4. The crushing and extruding device for producing a plant beverage for protecting eyesight according to claim 3, characterized in that: The squeezing device (3) comprises two rotating shafts (31) rotatably connected to the inner wall of the tank body (1) and arranged symmetrically at intervals. Squeezing rollers (32) are fixedly mounted on the surfaces of the two rotating shafts (31). The size of the rotating shafts (31) matches the mounting groove (24). The outer surfaces of the two squeezing rollers (32) are in contact with the corresponding baffles (22).

5. The crushing and squeezing device for producing a plant beverage for protecting eyesight according to claim 4, characterized in that: The adjusting device (4) comprises an adjusting plate (41) which is adjustably mounted on an outer wall of the tank body (1) away from the first driving assembly, and the position of the adjusting plate (41) corresponds to that of the rotating shaft (31).

6. The crushing and squeezing device for producing a plant beverage for protecting eyesight according to claim 5, characterized in that: Two symmetrically arranged scales (42) are respectively provided on two opposite outer walls of the tank body (1) near the rotation axis (31).

7. The crushing and extruding device for producing a plant beverage for protecting eyesight according to claim 6, characterized in that: The accelerating filtering assembly (6) comprises two rotating shafts (62) rotatably connected to the filter screen (5) and arranged symmetrically and at intervals. The two rotating shafts (62) are located above the filter screen (5) and are both detachably mounted with rotating brushes (61). The bristle ends of the two rotating brushes (61) are simultaneously in contact with the surface of the filter screen (5).

8. The crushing and extruding device for producing a plant beverage for protecting eyesight according to claim 7, characterized in that: An inclined block (67) is fixedly mounted on the inner bottom surface of the tank body (1), and a short end of the inclined block (67) is arranged close to the discharge port (13).

9. The crushing and extruding device for producing a plant beverage for protecting eyesight according to claim 8, characterized in that: The circulation device (7) comprises a delivery pipe (71) connected to a circulation outlet (14); the other end of the delivery pipe (71) is connected to a circulation inlet (12); and a centrifugal pump (72) is connected to the middle of the delivery pipe (71).

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