A grinding device for meal processing and use method thereof

Abstract

The present invention discloses a grinding device for meal processing and a method for using the same, and relates to the technical field of grinding equipment. The present invention comprises a frame, a bracket is fixedly installed on the top of the frame, an inner fixed plate and an outer fixed ring are fixedly installed on the left side of the bracket, an outer grinding barrel is rotatably installed on the left side of the outer fixed ring, an inner shaft is fixedly installed in the middle of the outer grinding barrel, a plurality of groups of inner grinding hammers are annularly hinged on the outer side of the inner shaft, a slide groove 1 is annularly provided on the inner wall of the outer grinding barrel, a spoiler 1 is slidably connected inside the slide groove 1, the spoiler 1 can slide along the slide groove 1, and an outer shaft ring is inserted inside the outer grinding barrel. The present invention can clean the grinding chamber while grinding by alternately rotating the outer grinding barrel and the outer shaft ring, can continuously process different kinds of meal ingredients, has high processing efficiency, and can use clean water to cool the equipment during cleaning, and has high grinding quality.

Description

Technical Field

[0001] The invention relates to the technical field of grinding equipment, and in particular to a grinding device for meal processing and a use method thereof. Background Art

[0002] Flour mills for dietary processing are mainly used to grind various grains, beans, nuts and other ingredients to facilitate the production of pasta, nutritional supplements or other foods.

[0003] At present, grains, beans, nuts and other ingredients are mainly ground by grinding machines. The existing grinding machines will cause the internal temperature to be too high during long-term operation, which will easily affect the grinding quality. Currently, the main method of grinding is batch grinding, which allows the equipment to have time to cool down after each grinding to avoid long-term operation and low processing efficiency. At the same time, in the process of meal processing, there are many types of ingredients. When changing the type of grinding, the grinding machine needs to be cleaned before subsequent processing can be carried out, which seriously affects the processing efficiency. Summary of the invention

[0004] The purpose of the present invention is to solve the above problems and provide a grinding device for meal processing and a method of using the same.

[0005] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0006] A grinding device for meal processing comprises a frame, a bracket is fixedly installed on the top of the frame, an inner fixing plate and an outer fixing ring are fixedly installed on the left side of the bracket, a feed pipe and a discharge pipe are arranged on the right sides of the inner fixing plate and the outer fixing ring, a hopper is welded on the top of two groups of the feed pipes at the same time, a rotation spacing is arranged between the inner fixing plate and the outer fixing ring, an outer grinding cylinder is rotatably installed on the left side of the outer fixing ring, an inner shaft is fixedly installed in the middle of the outer grinding cylinder, a plurality of groups of inner grinding hammers are annularly hinged on the outer side of the inner shaft, a slide groove 1 is annularly opened on the inner wall of the outer grinding cylinder, a spoiler plate 1 is slidably connected inside the slide groove 1, and the spoiler plate 1 can slide along the slide groove 1;

[0007] An outer shaft ring is inserted into the inner part of the outer grinding tube, an outer grinding cavity is arranged between the outer shaft ring and the inner wall of the outer grinding tube, an inner grinding cavity is arranged between the outer shaft ring and the inner shaft, the outer shaft ring passes through the rotation distance, a plurality of groups of outer grinding hammers are hingedly connected in an annular manner on the outer side of the outer shaft ring, a second slide groove is annularly opened on the inner wall of the outer shaft ring, a second spoiler is slidably connected inside the second slide groove, and the second spoiler can slide along the second slide groove;

[0008] A water tank is arranged on the right side of the frame, a water pump is fixedly installed on the top of the water tank, and the water pump is respectively connected with the inner fixing plate and the outer fixing ring through water pipes.

[0009] Furthermore, a tension spring is provided between the spoiler 1 and the inner wall of the slide groove 1, a push rod is fixedly installed on the side of the spoiler 1 away from the center of the outer grinding barrel, the push rod passes through the outer grinding barrel, an adjusting ring is sleeved on the outer side of the outer grinding barrel, a telescopic cylinder is fixedly installed on the top of the frame, the telescopic end of the telescopic cylinder is connected to the adjusting ring, and the inner wall of the adjusting ring is conical in design.

[0010] Furthermore, a tension spring is arranged between the second spoiler and the inner wall of the second slide groove, a T-shaped transmission rod is arranged on the side of the second spoiler away from the center of the outer shaft ring, a rope hole is opened on the inner wall of the second slide groove, the rope hole passes through the outer shaft ring, and the rope hole is close to the center of the outer shaft ring relative to the T-shaped transmission rod, and the T-shaped transmission rod is connected to the external grinding hammer through a transmission wire rope.

[0011] Furthermore, the first slide groove and the second slide groove are both designed to be oblique.

[0012] Furthermore, a motor 1 is fixedly installed on the top of the frame, a driving pulley is fixedly installed on the output end of the motor 1, a transmission pulley is fixedly installed on the left side of the outer grinding cylinder, and the driving pulley is connected to the transmission pulley through a transmission belt.

[0013] Furthermore, a second motor is fixedly mounted on the top of the frame, a driving wheel is fixedly mounted on the output end of the second motor, a transmission wheel is fixedly mounted on the right side of the outer shaft ring, and the driving wheel is meshed with the transmission wheel.

[0014] Furthermore, a sealing groove is provided on the right side of the outer grinding cylinder, and the outer fixed ring seals and rotates in the sealing groove.

[0015] Furthermore, hinged joints are provided on the outer sides of the inner shaft and the outer shaft ring, a hinged shaft is inserted into the interior of the hinged joint, the open end of the hinged shaft is limited by a screw, and the inner grinding hammer and the outer grinding hammer can be sleeved on the hinged shaft.

[0016] Furthermore, the inner fixing plate and the outer fixing ring are both fixedly mounted on the bracket via two groups of guide pillars.

[0017] A method for using a grinding device for meal processing comprises the following steps:

[0018] S1. Loading: pouring food ingredients into the hopper;

[0019] S2, external grinding: open the feed pipe on the external fixed ring to allow the food materials to enter the external grinding cavity, and at the same time pump water into the internal grinding cavity, start the equipment, rotate the external shaft ring, and the external grinding hammer grinds the food materials, and the spoiler plate 2 slides into the internal grinding cavity to stir the internal clean water to clean the internal grinding cavity and the internal grinding hammer, and at the same time cool the external grinding cavity. After the grinding is completed, open the discharge pipe on the external fixed ring to discharge the powder;

[0020] S3, inner grinding: close the feed pipe on the outer fixed ring, and open the feed pipe on the inner fixed plate, so that the food materials enter the inner grinding cavity, and at the same time pump water into the outer grinding cavity, start the equipment, rotate the outer grinding cylinder, and grind the food materials with the inner grinding hammer, and slide the spoiler into the outer grinding cavity to stir the internal clean water, clean the outer grinding cavity and the outer grinding hammer, and cool the inner grinding cavity at the same time, and open the discharge pipe on the inner fixed plate to discharge the powder after the grinding is completed;

[0021] S4, cyclic grinding: S2 and S3 are repeated alternately in sequence to grind the dietary ingredients continuously and efficiently.

[0022] The beneficial effects of the present invention are as follows:

[0023] 1. The present invention divides the equipment into an outer grinding cavity and an inner grinding cavity by arranging an outer grinding cylinder, an inner shaft and an outer shaft ring. By alternately using the outer grinding cavity and the inner grinding cavity, there is no need to stop the equipment for cooling, and the grinding efficiency is high.

[0024] 2. The present invention can clean the grinding chamber while grinding by alternately rotating the outer grinding cylinder and the outer shaft ring, and can continuously process different kinds of dietary ingredients with high processing efficiency. Clean water can be used to cool the equipment during cleaning, and the grinding quality is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 The three-dimensional structure of the present invention is shown in FIG. Figure 1 ;

[0026] Figure 2 The three-dimensional structure of the present invention is shown in FIG. Figure 2 ;

[0027] Figure 3 It is an exploded view of the present invention;

[0028] Figure 4 It is a schematic diagram of the structure of the external grinding tube of the present invention;

[0029] Figure 5 It is a schematic diagram of the outer shaft ring structure of the present invention;

[0030] Figure 6 It is a schematic diagram of the installation structure of the outer grinding cylinder and the outer shaft ring of the present invention.

[0031] 1. Frame; 2. Bracket; 3. Inner fixing plate; 4. Outer fixing ring; 5. Feed pipe; 6. Hopper; 7. Discharge pipe; 8. Outer grinding cylinder; 81. Drive pulley; 82. Inner shaft; 83. Inner grinding hammer; 84. Slideway 1; 85. Spoiler 1; 86. Tension spring 1; 87. Push rod; 88. Sealing slideway; 9. Outer shaft ring; 91. Drive wheel; 92. Slideway 2; 93. Spoiler 2; 94. Tension spring 2; 95. T-type drive rod; 96. Articulated head; 97. Articulated shaft; 98. Outer grinding hammer; 99. Drive wire rope; 10. Adjusting ring; 101. Telescopic cylinder; 11. Motor 1; 12. Motor 2; 13. Water tank; 14. Water pump. DETAILED DESCRIPTION

[0032] To make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0033] Embodiment 1, as Figure 1-Figure 6 As shown, a grinding device for meal processing comprises a frame 1, a bracket 2 is fixedly installed on the top of the frame 1, an inner fixing plate 3 and an outer fixing ring 4 are fixedly installed on the left side of the bracket 2, a feed pipe 5 and a discharge pipe 7 are arranged on the right side of the inner fixing plate 3 and the outer fixing ring 4, a hopper 6 is welded to the top of the two groups of feed pipes 5 at the same time, a rotation spacing is arranged between the inner fixing plate 3 and the outer fixing ring 4, an outer grinding cylinder 8 is rotatably installed on the left side of the outer fixing ring 4, an inner shaft 82 is fixedly installed in the middle of the outer grinding cylinder 8, a plurality of groups of inner grinding hammers 83 are annularly hinged on the outer side of the inner shaft 82, a slide groove 84 is annularly opened on the inner wall of the outer grinding cylinder 8, a spoiler 85 is slidably connected to the inside of the slide groove 84, and the spoiler 85 can slide along the slide groove 84;

[0034] An outer shaft ring 9 is inserted into the inner part of the outer grinding tube 8, an outer grinding cavity is arranged between the outer shaft ring 9 and the inner wall of the outer grinding tube 8, an inner grinding cavity is arranged between the outer shaft ring 9 and the inner shaft 82, the outer shaft ring 9 passes through the rotation distance, a plurality of groups of outer grinding hammers 98 are annularly hinged on the outer side of the outer shaft ring 9, a second slide groove 92 is annularly opened on the inner wall of the outer shaft ring 9, a second spoiler 93 is slidably connected inside the second slide groove 92, and the second spoiler 93 can slide along the second slide groove 92;

[0035] A water tank 13 is provided on the right side of the frame 1 , and a water pump 14 is fixedly installed on the top of the water tank 13 . The water pump 14 is connected to the inner fixing plate 3 and the outer fixing ring 4 respectively through water pipes.

[0036] When in use, the dietary ingredients are poured into the hopper 6, the feed pipe 5 on the outer fixed ring 4 is opened first, so that the dietary ingredients enter the outer grinding cavity, and water is pumped into the inner grinding cavity through the water pump 14 and the water pipe, the equipment is started, the outer shaft ring 9 is rotated, the outer grinding hammer 98 grinds the dietary ingredients, and the spoiler plate 2 93 is controlled to slide into the inner grinding cavity. While the outer shaft ring 9 grinds the dietary ingredients, the clean water in the inner grinding cavity is stirred by the spoiler plate 2 93 to clean the inner grinding cavity and the inner grinding hammer 83. At the same time, the stirred clean water can absorb heat more fully and cool the outer grinding cavity better. After the grinding is completed, the discharge pipe 7 on the outer fixed ring 4 is opened to discharge the powder;

[0037] After the powder discharge is completed, the feed pipe 5 and the discharge pipe 7 on the outer fixed ring 4 are closed, and the feed pipe 5 on the inner fixed plate 3 is opened to allow the dietary ingredients to enter the inner grinding cavity. At the same time, water is pumped into the outer grinding cavity through the water pump 14 and the water pipe, and the equipment is started to rotate the outer grinding cylinder 8, and the inner grinding hammer 83 grinds the dietary ingredients, and the spoiler plate 85 slides into the outer grinding cavity. The outer grinding cylinder 8 drives the spoiler plate 85 to stir the internal clean water to clean the outer grinding cavity and the outer grinding hammer 98. At the same time, the stirred clean water can absorb heat more fully and cool the inner grinding cavity better. After the grinding is completed, the discharge pipe 7 on the inner fixed plate 3 is opened to discharge the powder, so that the synchronous dietary ingredients can be continuously ground, and the processing efficiency is high;

[0038] The spoiler 85 is controlled to slide into the outer grinding cavity, and the spoiler 85 is slightly raised relative to the inner wall of the outer grinding cavity, thereby improving the grinding efficiency, being able to grind larger particles of dietary ingredients, and having a wider range of applications.

[0039] Embodiment 2, on the basis of the above embodiment, further includes: a tension spring 86 is arranged between a spoiler 85 and the inner wall of a slide groove 84, a push rod 87 is fixedly installed on the side of the spoiler 85 away from the center of the outer grinding barrel 8, the push rod 87 passes through the outer grinding barrel 8, an adjusting ring 10 is sleeved on the outer side of the outer grinding barrel 8, a telescopic cylinder 101 is fixedly installed on the top of the frame 1, the telescopic end of the telescopic cylinder 101 is connected to the adjusting ring 10, and the inner wall of the adjusting ring 10 is designed to be conical.

[0040] By controlling the operation of the telescopic cylinder 101, the telescopic cylinder 101 drives the adjusting ring 10 to move to the right, and the adjusting ring 10 pushes the push rod 87 to slide through the inclined surface of the inner wall, and the push rod 87 drives the spoiler 85 to slide into the outer grinding cavity. The control is convenient, and the adjusting ring 10 will not affect the rotation of the outer grinding barrel 8.

[0041] Embodiment three, on the basis of the above embodiment, further includes: a tension spring 94 is arranged between the second spoiler 93 and the inner wall of the second slide groove 92, a T-shaped transmission rod 95 is arranged on the side of the second spoiler 93 away from the center of the outer shaft ring 9, a rope hole is opened on the inner wall of the second slide groove 92, the rope hole passes through the outer shaft ring 9, and the rope hole is close to the center of the outer shaft ring 9 relative to the T-shaped transmission rod 95, and the T-shaped transmission rod 95 is connected to the outer grinding hammer 98 through a transmission wire rope 99.

[0042] By controlling the outer shaft ring 9 to rotate, the outer shaft ring 9 drives the outer grinding hammer 98 to rotate. The outer grinding hammer 98 swings relative to the outer shaft ring 9 under the action of centrifugal force. The outer grinding hammer 98 drives the spoiler plate 2 93 to slide into the inner grinding cavity through the transmission wire rope 99 and the T-shaped transmission rod 95. Through the arrangement of this embodiment, there is no need for additional drive to control the sliding of the spoiler plate 2 93, the structure is compact, and the driving source does not affect the grinding.

[0043] Embodiment 4, based on the above embodiment, further includes that both chute 1 84 and chute 2 92 are designed to be oblique. Through this design, the turbulence effect is better, so that the cleaning water is in a vortex shape in the grinding cavity, and the cleaning effect is better.

[0044] Embodiment 5, on the basis of the above embodiment, further includes: a motor 11 is fixedly installed on the top of the frame 1, a driving pulley is fixedly installed on the output end of the motor 11, a transmission pulley 81 is fixedly installed on the left side of the outer grinding cylinder 8, the driving pulley is connected to the transmission pulley 81 through a transmission belt, and by controlling the motor 11 to be energized, the motor 11 drives the driving pulley to rotate, the driving pulley drives the transmission pulley 81 to rotate, and the transmission pulley 81 drives the outer grinding cylinder 8 to rotate.

[0045] Furthermore, a motor 2 12 is fixedly installed on the top of the frame 1, a driving wheel is fixedly installed on the output end of the motor 2 12, a transmission wheel 91 is fixedly installed on the right side of the outer shaft ring 9, the driving wheel is meshed with the transmission wheel 91, and by controlling the power supply of the motor 2 12, the motor 2 12 drives the driving wheel to rotate, the driving wheel drives the transmission wheel 91 to rotate, and the transmission wheel 91 drives the outer shaft ring 9 to rotate.

[0046] Embodiment 6, based on the above embodiment, further includes that a sealing groove 88 is provided on the right side of the outer grinding cylinder 8, and the outer fixed ring 4 rotates in the sealing groove 88 in a sealing manner. Through this design, the sealing performance can be improved.

[0047] Embodiment 7, based on the above embodiment, further includes that the outer sides of the inner shaft 82 and the outer shaft ring 9 are both provided with hinge joints 96, the interior of the hinge joints 96 is inserted with hinge shafts 97, the open end of the hinge shaft 97 is limited by screws, and the inner grinding hammer 83 and the outer grinding hammer 98 can both be sleeved on the hinge shaft 97.

[0048] This design facilitates better subsequent maintenance of the inner grinding hammer 83 and the outer grinding hammer 98.

[0049] Embodiment 8, based on the above embodiment, further includes that the inner fixing plate 3 and the outer fixing ring 4 are fixedly mounted on the bracket 2 by two groups of guide pillars. Through this design, there is enough transmission space between the bracket 2 and the inner fixing plate 3 and the outer fixing ring 4, which is enough for the layout of the driving wheel and the transmission wheel 91.

[0050] Embodiment 9, a method for using a grinding device for meal processing, comprising the following steps:

[0051] S1, loading: pouring the food ingredients into the hopper 6;

[0052] S2, external grinding: open the feed pipe 5 on the outer fixed ring 4, let the food material enter the outer grinding cavity, pump water into the inner grinding cavity, start the equipment, rotate the outer shaft ring 9, the outer grinding hammer 98 grinds the food material, and the spoiler 2 93 slides into the inner grinding cavity, stirs the internal clean water, cleans the inner grinding cavity and the inner grinding hammer 83, and cools the outer grinding cavity. After the grinding is completed, open the discharge pipe 7 on the outer fixed ring 4 to discharge the powder;

[0053] S3, inner grinding: close the feed pipe 5 on the outer fixed ring 4, and open the feed pipe 5 on the inner fixed plate 3, so that the food materials enter the inner grinding cavity, and at the same time pump water into the outer grinding cavity, start the equipment, rotate the outer grinding cylinder 8, and the inner grinding hammer 83 grinds the food materials, and the spoiler 85 slides into the outer grinding cavity to stir the internal clean water, clean the outer grinding cavity and the outer grinding hammer 98, and cool the inner grinding cavity at the same time. After the grinding is completed, open the discharge pipe 7 on the inner fixed plate 3 to discharge the powder;

[0054] S4, cyclic grinding: S2 and S3 are repeated alternately in sequence to grind the dietary ingredients continuously and efficiently.

[0055] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A grinding device for food processing, comprising a frame (1), characterized in that: A bracket (2) is fixedly installed on the top of the frame (1), an inner fixing plate (3) and an outer fixing ring (4) are fixedly installed on the left side of the bracket (2), a feed pipe (5) and a discharge pipe (7) are arranged on the right side of the inner fixing plate (3) and the outer fixing ring (4), a hopper (6) is welded to the top of the two groups of feed pipes (5), a rotational spacing is arranged between the inner fixing plate (3) and the outer fixing ring (4), an outer grinding cylinder (8) is rotatably installed on the left side of the outer fixing ring (4), an inner shaft (82) is fixedly installed in the middle of the outer grinding cylinder (8), a plurality of groups of inner grinding hammers (83) are annularly hinged on the outer side of the inner shaft (82), a slide groove (84) is annularly opened on the inner wall of the outer grinding cylinder (8), a spoiler plate (85) is slidably connected inside the slide groove (84), and the spoiler plate (85) can slide along the slide groove (84); An outer shaft ring (9) is inserted into the inner part of the outer grinding cylinder (8), an outer grinding cavity is provided between the outer shaft ring (9) and the inner wall of the outer grinding cylinder (8), an inner grinding cavity is provided between the outer shaft ring (9) and the inner shaft (82), the outer shaft ring (9) passes through the rotation distance, a plurality of groups of outer grinding hammers (98) are annularly hinged on the outer side of the outer shaft ring (9), a second slide groove (92) is annularly provided on the inner wall of the outer shaft ring (9), a second spoiler (93) is slidably connected inside the second slide groove (92), and the second spoiler (93) can slide along the second slide groove (92); A water tank (13) is provided on the right side of the frame (1), and a water pump (14) is fixedly installed on the top of the water tank (13). The water pump (14) is connected to the inner fixing plate (3) and the outer fixing ring (4) respectively through water pipes.

2. A meal processing grinding device according to claim 1, characterized in that: A tension spring (86) is provided between the spoiler plate (85) and the inner wall of the slide groove (84); a push rod (87) is fixedly mounted on the side of the spoiler plate (85) away from the center of the outer grinding barrel (8); the push rod (87) passes through the outer grinding barrel (8); an adjusting ring (10) is sleeved on the outer side of the outer grinding barrel (8); a telescopic cylinder (101) is fixedly mounted on the top of the frame (1); the telescopic end of the telescopic cylinder (101) is connected to the adjusting ring (10); and the inner wall of the adjusting ring (10) is designed to be conical.

3. A meal processing grinding device according to claim 2, characterized in that: A tension spring (94) is arranged between the second spoiler (93) and the inner wall of the second slide groove (92); a T-shaped transmission rod (95) is arranged on the side of the second spoiler (93) away from the center of the outer shaft ring (9); a rope hole is opened on the inner wall of the second slide groove (92); the rope hole passes through the outer shaft ring (9), and the rope hole is closer to the center of the outer shaft ring (9) relative to the T-shaped transmission rod (95); the T-shaped transmission rod (95) is connected to the outer grinding hammer (98) through a transmission wire rope (99).

4. A meal processing grinding device according to claim 1, characterized in that: The first slide groove (84) and the second slide groove (92) are both designed to be inclined.

5. A meal processing grinding device according to claim 1, characterized in that: A motor 1 (11) is fixedly mounted on the top of the frame (1), a driving pulley is fixedly mounted on the output end of the motor 1 (11), a transmission pulley (81) is fixedly mounted on the left side of the outer grinding cylinder (8), and the driving pulley is connected to the transmission pulley (81) via a transmission belt.

6. A meal processing grinding device according to claim 5, characterized in that: A second motor (12) is fixedly mounted on the top of the frame (1), a driving wheel is fixedly mounted on the output end of the second motor (12), a transmission wheel (91) is fixedly mounted on the right side of the outer shaft ring (9), and the driving wheel is meshed with the transmission wheel (91).

7. A meal processing grinding device according to claim 1, characterized in that: A sealing groove (88) is provided on the right side of the outer grinding cylinder (8), and the outer fixing ring (4) rotates in a sealing manner in the sealing groove (88).

8. A meal processing grinding device according to claim 1, characterized in that: The outer sides of the inner shaft (82) and the outer shaft ring (9) are both provided with hinged joints (96), the interior of the hinged joint (96) is plugged with a hinged shaft (97), the open end of the hinged shaft (97) is limited by a screw, and the inner grinding hammer (83) and the outer grinding hammer (98) can both be sleeved on the hinged shaft (97).

9. A meal processing grinding device according to claim 1, characterized in that: The inner fixing plate (3) and the outer fixing ring (4) are both fixedly mounted on the bracket (2) via two sets of guide pillars.

10. A method for using a meal processing grinding device, using the meal processing grinding device according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1, loading: pouring food ingredients into the hopper (6); S2, external grinding: opening the feed pipe (5) on the external fixed ring (4) to allow the food materials to enter the external grinding cavity, and at the same time pumping water into the internal grinding cavity, starting the equipment, causing the external shaft ring (9) to rotate, the external grinding hammer (98) to grind the food materials, and the second spoiler (93) slides into the internal grinding cavity to stir the internal clean water to clean the internal grinding cavity and the internal grinding hammer (83), and at the same time cool the external grinding cavity. After the grinding is completed, the discharge pipe (7) on the external fixed ring (4) is opened to discharge the food materials; S3, internal grinding: closing the feed pipe (5) on the outer fixed ring (4), and opening the feed pipe (5) on the inner fixed plate (3), so that the food material enters the inner grinding cavity, and at the same time pumping water into the outer grinding cavity, starting the equipment, so that the outer grinding cylinder (8) rotates, the inner grinding hammer (83) grinds the food material, and the spoiler plate 1 (85) slides into the outer grinding cavity to stir the internal clean water, clean the outer grinding cavity and the outer grinding hammer (98), and cool the inner grinding cavity at the same time. After the grinding is completed, the discharge pipe (7) on the inner fixed plate (3) is opened to discharge the food material; S4, cyclic grinding: S2 and S3 are repeated alternately in sequence to grind the dietary ingredients continuously and efficiently.

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