Multi-stage crushing device for food preparation

Abstract

The invention relates to a crushing device, in particular to a multi-stage crushing device for food preparation, and the multi-stage crushing device is placed in liquid for use. The device comprises a frame which comprises a water leaving part far away from liquid and a water entering part at least partially located in the liquid; the crushing part is arranged on the water leaving part; the grinding piece is arranged on the water inlet part; the water inlet hopper is provided with a material inlet, an inner cavity and a water outlet, and the material inlet and the water outlet are located at the two ends of the inner cavity respectively; and the hopper driving part is connected with the water inlet hopper, when the hopper driving part drives the water inlet hopper to move downwards, at least part of the material inlet can be immersed into the liquid, and when the hopper driving part drives the water inlet hopper to move upwards, the grinding part can crush materials in the water inlet hopper. And in the grinding process, liquid enters and is discharged out of the water inlet hopper, so that the water inlet hopper can keep good cleanliness, and the problem that excessive materials remain in the water inlet hopper and are seriously oxidized is solved.

Description

Technical Field

[0001] The present invention relates to a crushing device, in particular to a multi-stage crushing device for food preparation. Background Art

[0002] Food crushing is a device for crushing food raw materials, generally used for the extraction of nutrients in food or food reprocessing, such as extracting phenolic substances and polyphenol oxidase from food, or making fruit-based foods into fruit juices.

[0003] During the process of extracting nutrients from food or food reprocessing, it is often necessary to crush food into smaller particles. For example, when extracting nutrients from food, crushing the food into smaller particles can better allow the nutrients in the food to disperse into the extraction liquid. Another example is that during the preparation of fruit juice, crushing the fruit into smaller particles can make the juice more delicate. However, if multi-stage crushing is directly set, the food crushed into smaller particles is easily adhered to the crushing device and oxidized and corrupted in the crushing device, thus polluting the equipment. Therefore, the present invention proposes a multi-stage crushing device for food preparation, which is mainly applied to the crushing of foods with a density less than that of water or the extraction liquid. Summary of the Invention

[0004] Therefore, the technical problem to be solved by the present invention is: to avoid the oxidation and pollution of the crushing device by fine food particles due to contact with air.

[0005] The above technical problem is solved by the following technical solutions: The present invention proposes a multi-stage crushing device for food preparation, which is used in a liquid; it includes, A frame, including a water-separating part away from the liquid and a water-entering part at least partially located in the liquid; A crushing member, which is provided on the water-separating part; A grinding member, which is provided on the water-entering part; A water-entering hopper, which has a feeding port, an inner cavity and a drainage port, and the feeding port and the drainage port are respectively located at both ends of the inner cavity; A hopper driving member, which is connected to the water-entering hopper. When the hopper driving member drives the water-entering hopper to move downward, the feeding port can be at least partially immersed in the liquid, and when the hopper driving member drives the water-entering hopper to move upward, the grinding member can crush the material in the water-entering hopper.

[0006] In a preferred embodiment of the multi-stage crushing device for food preparation of the present invention: a blocking part is provided on the frame, and a material concentration space is formed inside the frame through the blocking part.

[0007] In a preferred embodiment of the multi-stage crushing device for preparing edible products of the present invention: it also includes: a limit frame, which is installed on the frame, and the water inlet hopper is installed on the limit frame; a blocking member, which is installed on the limit frame, and when the water inlet hopper moves downward, the blocking member can block the drain outlet.

[0008] In a preferred embodiment of the multi-stage crushing device for preparing edible products of the present invention: the limiting frame includes a closed ring, the radial outer wall of the water inlet hopper is in contact with the closed ring, and the water inlet hopper will not completely separate from the closed ring when moving upward.

[0009] In a preferred embodiment of the multi-stage crushing device for preparing edible products of the present invention: the water inlet hopper is arranged inclined.

[0010] In a preferred embodiment of the multi-stage crushing device for preparing edible products of the present invention: the water inlet hopper has a concave hopper bottom, and the water discharge port is arranged on the hopper bottom.

[0011] In a preferred embodiment of the multi-stage crushing device for preparing edible products of the present invention: the blocking member includes a slide column mounted on the limit frame, an elastic member sleeved on the outside of the slide column, and a plug provided at the end of the slide column; The plug can block the drain outlet when entering the drain outlet.

[0012] In a preferred embodiment of the multi-stage crushing device for preparing edible products of the present invention: the grinding member includes a grinding drive portion and a grinding disc connected to the grinding drive portion; when the water inlet hopper moves upward, the grinding disc can enter the interior of the water hopper.

[0013] In a preferred embodiment of the multi-stage crushing device for preparing edible products of the present invention: the hopper driving member has a telescopic end, and the telescopic end is connected to the water inlet hopper.

[0014] In a preferred embodiment of the multi-stage crushing device for preparing edible products of the present invention: the crushing member includes a crushing drive unit and a crushing roller connected to the crushing drive unit.

[0015] The beneficial effect of the present invention is that by setting up a water inlet hopper, liquid enters and is discharged from the water inlet hopper during the grinding process, so that the water inlet hopper can maintain a good cleanliness, avoiding excessive material residue in the water inlet hopper and causing serious material oxidation problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings of the embodiments of the present invention. Obviously, the drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention. Among them: Figure 1 Shows the overall structural schematic diagram of the multi-stage crushing device for food preparation; Figure 2 Shows the working state diagram of the multi-stage crushing device for food preparation; Figure 3 Shows the internal structural schematic diagram of the multi-stage crushing device for food preparation; Figure 4 Shows the structural schematic diagram of the hopper driving member in the present invention; Figure 5 Shows the specific structural diagram of the hopper driving member and the water inlet hopper; Figure 6 Shows Figure 5 The enlarged view at position A in; Figure 7 Shows the structural schematic diagram of the water inlet hopper and the limiting frame; Figure 8 Shows the state diagram of the lowest position of the water inlet hopper; Figure 9 Shows the state diagram of the highest position of the water inlet hopper.

[0017] 100, frame; 101, water separation part; 102, water inlet part; 103, barrier part; 104, material concentration space; 105, sub-bracket; 200, crushing member; 201, crushing driving part; 202, crushing roller; 300, grinding member; 301, grinding driving part; 302, grinding disc; 400, water inlet hopper; 401, feed inlet; 402, inner cavity; 403, drain outlet; 4031, concave cavity; 4032, water hole; 405, hopper bottom; 406, surrounding wall; 407, side groove; 500, hopper driving member; 501, telescopic end; 600, limiting frame; 601, closed ring; 602, convex rod; 603, bottom plate; 700, plugging member; 701, sliding column; 702, elastic member; 703, plug; 800, pool. Detailed implementation manners

[0018] In order to enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below in conjunction with the detailed implementation manners and the accompanying drawings.

[0019] The terms used in the present invention are those general terms that are currently widely used in the art in consideration of the functions of the present invention, but these terms may change according to the intentions of those of ordinary skill in the art, precedents or new technologies in the art. In addition, specific terms may be selected by the applicant, and in this case, their detailed meanings will be described in the detailed description of the present invention. Therefore, the terms used in the specification should not be understood as simple names, but based on the meanings of the terms and the overall description of the present invention.

[0020] Reference Figure 1 and Figure 2 ,this embodiment provides a multi-stage crushing device for food preparation. When the material is crushed by this multi-stage crushing device for food preparation, it needs to be placed in a liquid for use. In most usage scenarios, the liquid is pure water. Of course, the liquid can also be other types of extraction liquids. The container for loading the liquid can adopt an external pool structure. For example, when producing, a pool 800 for accommodating the liquid is built, and this crushing device is directly placed in the pool 800. This crushing device includes a frame 100. The frame 100 is an outer shell and is directly placed in the liquid. The frame 100 includes a water-separating part 101 away from the liquid, and the water-separating part 101 will not be submerged by water. The frame 100 also includes a water-entry part 102 at least partially located in the liquid. As Figure 2 shown, a pool 800 for accommodating the liquid is presented. The liquid level in the pool is shown by a dotted line, and at the same time, the relationship between the water-separating part 101, the water-entry part 102 and the liquid level is also shown.

[0021] Refer to again Figure 1 and Figure 2 ,this crushing device also includes a crushing part 200 and a grinding part 300. Among them, the crushing part 200 is arranged on the water-separating part 101; the grinding part 300 is arranged on the water-entry part 102; the crushing part 200 can crush the material, and the grinding part 300 can further grind the material, so that the material is ground into smaller particles, enabling the components to be extracted in the material to better enter the liquid, thereby improving the extraction effect.

[0022] Reference Figure 5 and Figure 6 ,this crushing device also includes a water-entry hopper 400. The water-entry hopper 400 has a feed inlet 401, an inner cavity 402 and a drain outlet 403. The feed inlet 401 and the drain outlet 403 are respectively located at both ends of the inner cavity 402; the water-entry hopper 400 can move up and down relative to the liquid level of the liquid in the pool 800. After the crushing part 200 crushes the material, the crushed material will fall into the liquid and float on the surface of the liquid. Therefore, this crushing device is suitable for crushing materials with a density less than water and can float on the water surface.

[0023] Reference Figure 1 and Figure 5 ,this crushing device also includes a hopper driving part 500, which is connected to the water-entry hopper 400. The function of the hopper driving part 500 is to drive the water-entry hopper 400 to move up and down. When the hopper driving part 500 drives the water-entry hopper 400 to move downward, the feed inlet 401 is at least partially immersed in the liquid, and the liquid and the material can enter the inside of the water-entry hopper 400 from the feed inlet 401. When the hopper driving part 500 drives the water-entry hopper 400 to move upward, the liquid is discharged through the drain outlet 403, and the material will stay inside the water-entry hopper 400.

[0024] The grinding member 300 can crush the materials in the water inlet hopper 400. After grinding the materials, the hopper driving member 500 drives the water inlet hopper 400 to descend again. Liquid enters the inside of the water inlet hopper 400 and contacts the ground materials. At the same time, the crushed materials continue to enter the inside of the water inlet hopper 400 from the inlet 401. When the hopper driving member 500 ascends again, the water drives the smaller ground particles to be discharged from the drain port 403, and the larger particles will stay inside the water inlet hopper 400 and be ground again.

[0025] Therefore, in this embodiment, by setting the breaking member to initially break the materials, after the initial breaking, the broken materials fall into the liquid. Through the ascending and descending of the water inlet hopper 400, the broken materials can be collected into the water inlet hopper 400 from the water, and the grinding member 300 grinds the materials in the water inlet hopper 400, making the materials be ground into smaller particles. The effects are as follows: First, by setting two processes of breaking and grinding, the materials can be broken into smaller particles, enabling the components to be extracted from the materials to better enter the liquid.

[0026] Second, during the ascending and descending of the water inlet hopper 400, the liquid can carry the materials ground into small particles in the water inlet hopper 400 away from the water inlet hopper 400, and the larger particles still stay in the water inlet hopper 400 for re - grinding, ensuring that all materials can be broken into smaller particle materials.

[0027] Third, during the grinding process, by the liquid entering and discharging from the water inlet hopper 400, the water inlet hopper 400 can maintain good cleanliness, avoiding the problem of serious material oxidation caused by excessive materials remaining inside the water inlet hopper 400.

[0028] Specifically, referring again to Figure 1 and Figure 2 , the breaking member 200 includes a breaking driving part 201 and a breaking roller 202 connected to the breaking driving part 201. Generally, the number of breaking rollers 202 is two. Breaking protrusions are provided on both of the two breaking rollers 202, and the breaking protrusions on the two breaking rollers 202 are arranged cross -wise. When the materials contact the breaking rollers 202, through the rotation and extrusion of the cross -wise breaking protrusions, the materials can be initially broken. The breaking driving part 201 is preferably a motor. The two breaking rollers 202 can be driven to rotate by the same motor, or the two breaking rollers 202 can be driven to rotate by two motors respectively. The rotation directions of the two breaking rollers 202 are opposite. The materials reach the two breaking rollers 202 from above, and the two breaking rollers 202 can squeeze and break the materials. The broken materials fall into the liquid below.

[0029] Please refer toFigure 5 and Figure 6 , the grinding member 300 includes a grinding drive portion 301 and a grinding disc 302 connected to the grinding drive portion 301; a secondary support 105 is further installed on the frame 100, and the secondary support 105 is mainly used to install the grinding member 300, such as Figure 5 , the grinding drive portion 301 is a motor, which is fixedly installed on the secondary support 105. The output shaft of the grinding drive portion 301 is connected to the grinding disc 302. When the grinding drive portion 301 works, it can drive the grinding disc 302 to rotate. When the water inlet hopper 400 moves upward, the grinding disc 302 can enter the inside of the water inlet hopper 400 to press and grind the material in the water inlet hopper 400.

[0030] Preferably, please refer to Figure 5 , the inner cavity 402 of the water inlet hopper 400 is cylindrical, the grinding disc 302 is of a disc-shaped structure, and the diameter of the grinding disc 302 is adapted to the inner diameter of the water inlet hopper 400, so that the grinding disc 302 can enter the inside of the water inlet hopper 400 and minimize the gap between the grinding disc 302 and the radial inner wall of the water inlet hopper 400, so that the grinding disc 302 can fully grind the material inside the water inlet hopper 400.

[0031] Please refer to Figure 5 , wherein the hopper drive member 500 can be a hydraulic telescopic structure or an electric telescopic mechanism. Therefore, the hopper drive member 500 has a telescopic end 501, and the telescopic end 501 is connected to the water inlet hopper 400. During operation, the telescopic end 501 can perform reciprocating elongation and shortening, and the telescopic end 501 can drive the water inlet hopper 400 to move, thereby driving the water inlet hopper 400 to reciprocate up and down. In this embodiment, such as Figure 5 , the number of the hopper drive members 500 is two, both of the two hopper drive members 500 are connected to the water inlet hopper 400, and the hopper drive members 500 are also installed on the secondary support 105.

[0032] In another embodiment, please refer to Figure 3A barrier portion 103 is provided on the frame 100, and a material concentration space 104 is formed inside the frame 100 through the barrier portion 103. The barrier portion 103 is a plate-shaped structure fixed inside the frame 100. The bottom end of the barrier portion 103 needs to extend into the liquid, thereby forming a material concentration space 104 with the entire frame 100. When the material is crushed and processed by the crushing component 200, it will fall into the material concentration space 104. Because of the obstruction of the frame 100 and the barrier portion 103, the floating material cannot enter and leave the material concentration space 104 with the water. Therefore, in this embodiment, the water inlet hopper 400 needs to be arranged in the material concentration space 104. When the feed port 401 of the water inlet hopper 400 is partially submerged in water, the floating material inside the material concentration space 104 can enter the water inlet hopper 400.

[0033] By forming the material concentration space 104, the crushed materials can be concentrated and will not float around, causing the problem of being unable to enter the water hopper 400 for grinding. At the same time, because the crushed materials are concentrated, the efficiency of the water hopper 400 in collecting the crushed materials can be improved.

[0034] As an optional embodiment, please refer to Figure 4 and Figure 7 The crushing device also includes a limit frame 600, which is installed on the frame 100, and the water inlet hopper 400 is installed on the limit frame 600; in this embodiment, the limit frame 600 is directly installed on the blocking part 103, and the limit frame 600 includes a closed ring 601, which is fixed on the combination part, and a plurality of protruding rods 602 are fixedly connected to the closed ring 601. The end of the plurality of protruding rods 602 away from the closed ring 601 is installed with a bottom plate 603. When the water inlet hopper 400 is installed on the limit frame 600, the radial outer wall of the water inlet hopper 400 fits with the closed ring 601.

[0035] Preferably, the radial side wall of the water inlet hopper 400 is provided with a side groove 407. When the water inlet hopper 400 is installed on the limiting frame 600, the protruding rod 602 is located inside the side groove 407, which can effectively prevent the water inlet hopper 400 from rotating and stabilize the water inlet hopper 400. When the hopper driving member 500 is extended or retracted, the water inlet hopper 400 moves on the limiting frame 600. When the water inlet hopper 400 moves upward, it will not completely break away from the closed ring 601, thereby avoiding the generation of a gap between the water inlet hopper 400 and the closed ring 601, and reducing the problem of broken materials escaping through the gap to the outside of the material concentration space 104.

[0036] Please refer to Figure 6 and Figure 7, the crushing device further includes a plugging member 700, which is installed on the limiting frame 600. When the water inlet hopper 400 moves downward, the plugging member 700 can block the drain port 403. The purpose is to prevent water from entering the inside of the water inlet hopper 400 through the drain port 403 when the water inlet hopper 400 descends, resulting in the water level inside the water inlet hopper 400 being equal to the water level in the pool 800, and water and materials cannot enter the inside of the water inlet hopper 400 through the feed inlet 401.

[0037] During the downward movement of the water inlet hopper 400, it will contact the plugging member 700. The plugging member 700 can block the drain port 403, so that when the water inlet hopper 400 continues to descend, the liquid level height inside it is lower than the water level height in the pool 800, enabling the water in the pool 800 to carry materials and enter the inside of the water inlet hopper 400 through the feed inlet 401.

[0038] Specifically, the plugging member 700 includes a sliding column 701 installed on the limiting frame 600, an elastic member 702 sleeved outside the sliding column 701, and a plug 703 provided at the end of the sliding column 701; when the plug 703 enters the drain port 403, it can block the drain port 403.

[0039] A hole for the sliding column 701 to pass through is opened on the bottom plate 603. The elastic member 702 is a spring, which is sleeved on the outer surface of the sliding column 701. One end of the elastic member 702 abuts against the plug 703, and the other end abuts against the bottom plate 603. During the downward movement of the water inlet hopper 400, the plug 703 can block the drain port 403 to prevent water from continuously entering the inside of the water inlet hopper 400 through the drain port 403. As the water inlet hopper 400 continues to descend, the plug 703 can press the elastic member 702 to obtain a descending stroke, and the elastic member 702 can keep the plug 703 in a state of closing the drain port 403.

[0040] Please refer to Figure 6 , wherein, the drain port 403 has a concave cavity 4031. On the cavity wall of the concave cavity 4031, a plurality of water holes 4032 are opened. The water inside the water inlet bin can be discharged through the water holes 4032. The shape and size of the concave cavity 4031 are adapted to the shape and size of the plug 703. For example Figure 6 and Figure 7 In, both the concave cavity 4031 and the plug 703 are cylindrical, and the inner diameter of the concave cavity 4031 is adapted to the diameter of the plug 703. During the downward movement of the water inlet hopper 400, the plug 703 can enter the inside of the concave cavity 4031, and the radial side wall of the plug 703 fits with the cavity wall of the concave cavity 4031, so as to achieve the effect of blocking the water holes 4032.

[0041] In one embodiment, such as Figure 6 and Figure 7, the limiting frame 600 is inclined, and the water inlet hopper 400 is installed on the limiting frame 600. Therefore, the water inlet hopper 400 is also inclined. The top end of the limiting frame 600 is located in the material concentration space 104, and the bottom end of the limiting frame 600 is located outside the material concentration space 104. When the water inlet hopper 400 descends to the lowest position, due to the limitation of the top end of the limiting ring, the inlet 401 of the water inlet hopper 400 can be located in the material concentration space 104. When the water inlet hopper 400 ascends to the highest position, water is discharged from the drain port 403, and the discharged water and the ground materials discharged with the water enter the outside of the material concentration space 104.

[0042] If the water inlet hopper 400 is vertically arranged, when the inlet 401 is submerged in water, water will enter the inside of the inlet 401 from all around. In this embodiment, due to the inclined arrangement of the water inlet hopper 400, the inlet 401 of the water inlet hopper 400 is inclined towards the material concentration space 104, which can better allow the materials inside the material concentration space 104 to enter the inside of the water inlet hopper 400 through the inlet 401, thereby improving the efficiency of material collection.

[0043] Please refer to Figure 8 and Figure 9 , the water inlet hopper 400 has a concave bottom 405, and the drain port 403 is arranged on the bottom 405. The position of the bottom 405 is higher than the bottom of the surrounding wall 406 of the water inlet hopper 400. The purpose of such a setting is to avoid the problem that the water inlet hopper 400 completely detaches from the limiting frame 600 during the ascending process. In order to enable the water inside the water inlet hopper 400 to be discharged as much as possible, the drain port 403 needs to be separated above the water surface. Only after completely separating from the water surface can the water inside the water inlet hopper 400 be minimized as much as possible. Only part of the water will remain at the bottom corner position of the inclined water inlet hopper 400. Since the amount of the remaining water is small, when the grinding disc 302 enters, it can effectively squeeze the water out of the water inlet hopper 400.

[0044] Refer to Figure 8 , the appropriate water level height in this embodiment is shown by a dotted line. When the water inlet hopper 400 is in the lowest position, the water can at least partially submerge the inlet 401 to ensure that the water can enter the inside of the water inlet hopper 400 through the inlet 401. Refer to Figure 9 , when the water inlet hopper 400 is in the highest position, the drain port 403 can be separated from the water surface to ensure that a large amount of water can be discharged. At this time, the surrounding wall 406 of the water inlet hopper 400 can still remain in a fitting state with the sealing ring.

[0045] With such a setting, on the premise that the water inlet hopper 400 can be completely separated from the water surface, the surrounding wall 406 of the water inlet hopper 400 will not be completely separated from the sealing ring 601. Therefore, during the rising process of the water inlet hopper 400, no gap will be generated between its surrounding wall 406 and the sealing ring 601, and the materials floating on the water surface in the material concentration space 104 will not escape to the external space through the gap. Thus, it is ensured that all the materials passing through crushing can be concentrated in the material concentration space 104 and wait for grinding by the grinding member 300, so that all the materials can be ground into smaller particles.

[0046] Finally, it should be pointed out that the methods and devices described in detail above are only embodiments, and those skilled in the art can modify these embodiments in different ways as long as they do not depart from the scope of the present invention.

Claims

1. A multi-stage crushing device for preparing edible products, characterized in that: Place in liquid for use; These include, The frame (100) comprises a water-leaving portion (101) away from the liquid, and a water-entering portion (102) at least partially located in the liquid; A crushing element (200) disposed on the water separation portion (101); A grinding element (300) disposed on the water inlet portion (102); A water inlet hopper (400) having an inlet (401), an inner cavity (402) and a drain outlet (403), wherein the inlet (401) and the drain outlet (403) are respectively located at two ends of the inner cavity (402); A hopper driving member (500) is connected to the water inlet hopper (400). When the hopper driving member (500) drives the water inlet hopper (400) to move downward, the feed inlet (401) can be at least partially immersed in the liquid. When the hopper driving member (500) drives the water inlet hopper (400) to move upward, the grinding member (300) can crush the material inside the inner cavity (402) of the water inlet hopper (400).

2. The multi-stage crushing device for preparing edible products according to claim 1, characterized in that: The frame (100) is provided with a barrier portion (103), and a material concentration space (104) is formed inside the frame (100) through the barrier portion (103).

3. The multi-stage crushing device for preparing edible products according to claim 2, characterized in that: Also includes, A limiting frame (600) is mounted on the frame (100), and the water inlet hopper (400) is mounted on the limiting frame (600); The blocking member (700) is mounted on the limiting frame (600), and when the water inlet hopper (400) moves downward, the blocking member (700) can block the water outlet (403).

4. The multi-stage crushing device for preparing edible products according to claim 3, characterized in that: The limiting frame (600) comprises a closed ring (601), and the radial outer wall of the water inlet hopper (400) is in contact with the closed ring (601), so that the water inlet hopper (400) will not completely separate from the closed ring (601) when moving upward.

5. The multi-stage crushing device for preparing edible products according to any one of claims 1 to 4, characterized in that: The water inlet hopper (400) is arranged tilted.

6. The multi-stage crushing device for preparing edible products according to claim 5, characterized in that: The water inlet hopper (400) has a concave hopper bottom (405), and the water discharge port (403) is arranged on the hopper bottom (405).

7. The multi-stage crushing device for preparing edible products according to claim 3, characterized in that: The blocking member (700) comprises a sliding column (701) mounted on the limiting frame (600), an elastic member (702) sleeved on the outside of the sliding column (701), and a plug (703) provided at the end of the sliding column (701); When the plug (703) enters the drain outlet (403), it can block the drain outlet (403).

8. The multi-stage crushing device for preparing edible products according to claim 1, characterized in that: The grinding element (300) comprises a grinding drive portion (301) and a grinding disc (302) connected to the grinding drive portion (301); When the water inlet hopper (400) moves upward, the grinding disc (302) can enter the interior of the water inlet hopper (400).

9. The multi-stage crushing device for preparing edible products according to claim 1, characterized in that: The hopper driving member (500) has a telescopic end (501), and the telescopic end (501) is connected to the water inlet hopper (400).

10. The multi-stage crushing device for preparing edible products according to claim 1, characterized in that: The crushing element (200) comprises a crushing driving part (201) and a crushing roller (202) connected to the crushing driving part (201).

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