Raw material crushing and sieving device for American ginseng soft capsule production and processing

The filter device that matches the trumpet-shaped filter with the spreading plate, the crushing knife and the crushing rotor combination solves the problem of clogging of the American ginseng crushing filter, and improves the crushing efficiency and operation convenience.

CN223324649UActive Publication Date: 2025-09-12XINZHENG ZEZHIRUN BIOTECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422344067.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2025-09-12
Estimated Expiration
2034-09-25

AI Technical Summary

Technical Problem

When a large amount of unfiltered particles accumulate on the filter screen of the existing American ginseng crushing and screening device, the filtering function fails and needs to be manually disassembled and cleaned, which is cumbersome and inefficient.

Method used

The filtering device is designed with a trumpet-shaped filter mesh and a spreading disc. The powder is evenly filtered through rotation, and the unfiltered particles are discharged into the receiving box through the discharge port to separate coarse and fine particles. The crushing efficiency is improved by the combination of the crushing knife and the crushing rotor.

Benefits of technology

The filter is not easily clogged, the crushing efficiency is improved, the operation is simple, the manual intervention is reduced, and the efficiency and effect of American ginseng crushing are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a raw material smashing and sieving device for American ginseng soft capsule production and processing, which comprises a support barrel, a smashing barrel, a first motor and a second motor, the smashing barrel is located on the support barrel, the raw material smashing and sieving device further comprises a filtering device and a smashing device, the filtering device is rotatably installed in the support barrel, the smashing device is installed in the smashing barrel, and the first motor and the second motor are arranged on the support barrel. The first motor is in transmission connection with the crushing device; the smashing device comprises a filter screen, a discharging port and a scattering disc, the filter screen is of a trumpet-shaped structure, the scattering disc located below the smashing device is arranged at a large end opening of the filter screen, the discharging port is formed in a small end opening of the filter screen, and the lower end of the discharging port penetrates through the bottom of the support barrel and is detachably provided with a gear sleeve; and an output shaft of the second motor is provided with a rotating gear meshed with the gear sleeve.
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Description

Technical Field

[0001] The utility model relates to the technical field of American ginseng processing equipment, in particular to a raw material crushing and screening device for the production and processing of American ginseng soft capsules. Background Art

[0002] American ginseng is a perennial herbaceous plant belonging to the Araliaceae family. It has multiple functions such as nourishing yin and qi, calming the mind and improving intelligence, clearing away heat and promoting fluid production, and reducing internal heat and relieving summer heat. In the process of processing American ginseng and making it into capsules, it needs to be crushed; however, manual crushing is not only inefficient, but also has poor crushing effect. Therefore, pharmaceutical processing companies need to use a crushing device in the process of crushing American ginseng.

[0003] In the prior art, the utility model patent with patent number CN202322587872.X discloses a raw material crushing and screening device, which includes a box body, a rotating rod is rotatably provided on the inner wall of the box body, a screening assembly is provided inside the box body, a crushing blade is fixedly connected to the outer side of the rotating rod, a discharge hopper is fixedly connected to the inner wall of the box body, a feeding hopper is connected to the top of the box body, a collecting box is provided inside the box body, the screening assembly includes a support block provided on the inner wall of the box body, a sieve plate is provided on the inner wall of the support block, a fixed plate is fixedly connected to the outer side of the rotating rod, a cleaning brush is provided on one side of the fixed plate, the fixed plate is installed at the top and bottom of the sieve plate, a motor is fixedly connected to the top of the box body, and the output end of the motor is fixedly matched with the top of the rotating rod. The raw material crushing and screening device provided by this raw material crushing and screening device solves the problem that in actual use of the existing device, the filter screen is easily clogged when screening the material, which makes it inconvenient to clean the filter screen and inconvenient to use.

[0004] The above patent describes a raw material crushing and screening device for the production and processing of American ginseng soft capsules. The device sets rotating rods on the upper and lower end surfaces of the filter screen, and drives the fixed plate to rotate through the rotating rods. The filter can be cleaned by a cleaning brush on the fixed plate to prevent the filter screen from being blocked. However, when the American ginseng is crushed and screened, large particles that are not filtered out will accumulate on the filter screen. When the accumulation is too much, the filtering function of the filter screen will be completely invalid, and workers will need to disassemble the filter screen and remove the unfiltered particles to continue filtering. The disassembly is troublesome and inefficient, and needs further improvement. Utility Model Content

[0005] The purpose of the utility model is to provide a raw material crushing and screening device for the production and processing of American ginseng soft capsules, aiming to improve the problem that a large amount of unfiltered particles will accumulate on the filter net of the existing American ginseng crushing and screening device during use. When the particles accumulate too much, the filtering function of the filter net will fail. At the same time, the machine needs to be manually stopped and disassembled to clean and crush and filter the unfiltered particles, which is not only cumbersome to operate but also inefficient.

[0006] The utility model is implemented as follows: a raw material crushing and screening device for the production and processing of American ginseng soft capsules, comprising a bracket barrel, a crushing barrel, a first motor and a second motor, the crushing barrel being located on the bracket barrel, and further comprising a filtering device and a crushing device, the filtering device being rotatably installed in the bracket barrel, the crushing device being installed in the crushing barrel, the first motor and the crushing device being transmission-connected; the crushing device comprising a filter screen, a feed opening and a spreading plate, the filter screen having a trumpet-shaped structure, the large port of the filter screen being provided with a spreading plate located below the crushing device, the small port of the filter screen being provided with a feed opening, the lower end of the feed opening passing through the bottom of the bracket barrel and being detachably provided with a gear sleeve; the output shaft of the second motor being provided with a rotating gear meshing with the gear sleeve.

[0007] Preferably, the bracket barrel includes a mounting platform, a limiting platform and supporting legs; a plurality of supporting legs are sequentially arranged on the outer side of the bracket barrel along its circumferential direction, the upper port of the bracket barrel is provided with a recessed mounting platform, and the lower end of the crushing barrel is seated on the mounting platform; a limiting platform is provided inside the bracket barrel, and the filter screen is rotatably seated on the limiting platform; a material receiving box is provided below the bracket barrel.

[0008] Preferably, the crushing barrel includes a barrel cover and a barrel body, both ends of the barrel body are through-set, the upper end of the barrel body is detachably provided with a barrel cover, the upper end of the barrel cover is provided with a feed port, and the lower end of the barrel body is seated on a mounting platform.

[0009] Preferably, the side of the barrel cover is symmetrically provided with a first connecting ear, the first connecting ear is provided with a connecting bolt, the barrel body is provided with a second connecting ear at a position corresponding to the first connecting ear, and the connecting bolt is threadedly connected to the second connecting ear.

[0010] Preferably, the crushing device includes a rotating shaft and a crushing disk; a rotating shaft is rotatably provided on the barrel cover, a first motor is provided at the upper end of the barrel cover, and the output shaft of the first motor is connected to the upper end of the rotating shaft; a crushing disk is fixedly provided inside the barrel body, a crushing rotor is provided at the lower end of the rotating shaft, and the crushing disk is provided with corresponding crushing slots at the position corresponding to the crushing rotor, and the crushing rotor is inserted in the crushing slots.

[0011] Preferably, a crushing knife is further included, and the rotating shaft is provided with a crushing knife located above the crushing disk.

[0012] Preferably, the gear sleeve includes a pin rod and rotating teeth, and the lower end of the gear sleeve is fixedly provided with rotating teeth, and the rotating teeth are engaged with the rotating gear; a pin hole is provided through the discharge port, the gear sleeve is sleeved on the discharge port, and the pin rod is inserted in the pin hole.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model sets a filtering device, and cooperates with a trumpet-shaped filter screen and a spreading disc. During the rotation of the filtering device, the crushed American ginseng powder is driven to be evenly filtered, and the particles that cannot be filtered are discharged into the receiving box through the discharge port, so that too much particle powder will not accumulate on the filter screen, and larger particles can be directly put into the feed port for crushing. At the same time, the bracket barrel and the crushing barrel are set separately, and the crushing barrel is placed on the bracket barrel, which is convenient for disassembly and installation.

[0015] 2. The utility model is provided with a crushing device, a crushing knife, a crushing rotor and a crushing disk. The crushing knife can crush the American ginseng into coarse particles, and then the crushing rotor and the crushing disk can crush and grind the coarse particles into fine powder particles, so the crushing efficiency is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 This is a structural diagram of the bracket barrel of the utility model;

[0019] Figure 4 It is a structural diagram of the filter device of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the pulverizing device of the utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the crushing barrel of the utility model;

[0022] Figure 7 It is a structural diagram of the gear sleeve of the utility model.

[0023] In the figure: 1. Support barrel; 101. Mounting platform; 102. Limiting platform; 103. Support leg; 2. Crushing barrel; 201. Barrel cover; 202. Barrel body; 203. First connecting ear; 204. Connecting bolt; 205. Second connecting ear; 3. Filter device; 301. Filter screen; 302. Feeding port; 303. Pin hole; 304. Spreading plate; 4. Crushing device; 401. Rotating shaft; 402. Crushing knife; 403. Crushing rotor; 404. Crushing plate; 405. Crushing slot; 5. First motor; 6. Second motor; 7. Gear sleeve; 701. Pin rod; 702. Rotating tooth; 8. Receiving box; 9. Rotating gear; 10. Feeding port. DETAILED DESCRIPTION

[0024] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0025] The following is a further description with reference to the accompanying drawings and specific embodiments:

[0026] Example 1

[0027] like Figure 1-Figure 4 and Figure 7The present invention relates to a raw material crushing and screening device for the production and processing of American ginseng soft capsules, comprising a support barrel 1, a crushing barrel 2, a first motor 5 and a second motor 6. The crushing barrel 2 is located on the support barrel 1, and further comprises a filtering device 3 and a crushing device 4. The filtering device 3 is rotatably mounted in the support barrel 1, and by rotatably mounting the filtering device 3 in the support barrel 1, the powder can be rotated and dispersed for uniform filtration during the filtration process through the rotation of the filtering device 3; the crushing device 4 is mounted in the crushing barrel 2, and the first motor 5 is transmission-connected to the crushing device 4, and the crushing device 4 inside the crushing barrel 2 is rotated and crushed by the first motor 5; the filtering device 3 comprises a filter screen 301, a feed port 302 and a spreading plate 304, and the filter screen 301 has a trumpet-shaped structure. By setting the filter screen 301 into a trumpet-shaped structure, the particles can be rolled downward for filtration during the filtration process, so that the coarse particles and fine particles in the particles are fully separated. The large port of the filter screen 301 is provided with a spreading plate 304 located below the crushing device 4, The scattering plate 304 can prevent the particles conveyed by the crushing device 4 from falling directly into the discharge port, and at the same time, the particles conveyed can be splashed. The small port of the filter 301 is provided with a discharge port 302. By providing the discharge port 302, the coarse particles that have not been filtered can be discharged through the discharge port to prevent accumulation in the device. The lower end of the discharge port 302 passes through the bottom of the bracket barrel 1 and is detachably mounted with a gear sleeve 7; the output shaft of the second motor 6 is provided with a gear sleeve 7 that meshes with the gear sleeve 7. The rotating gear 9, the gear sleeve 7 includes a pin rod 701 and a rotating tooth 702. The lower end of the gear sleeve 7 is fixedly provided with a rotating tooth 702, and the rotating tooth 702 is engaged with the rotating gear 9; a pin hole 303 is provided through the discharge port 302, and the gear sleeve 7 is sleeved on the discharge port 302, and the pin rod 701 is inserted into the pin hole 303. By providing the pin rod 701, it is convenient to disassemble and install the gear sleeve 7 from the discharge port 302, which is simple and convenient and will not affect the work efficiency of the operator.

[0028] like Figure 2 、 Figure 3 、 Figure 5 and Figure 6As shown, the bracket barrel 1 includes a mounting platform 101, a limiting platform 102 and a supporting leg 103; a plurality of supporting legs 103 are sequentially arranged on the outer side of the bracket barrel 1 along its circumferential direction. By arranging the supporting legs 103, it is convenient to place the bracket barrel 1 on the ground, and the upper port of the bracket barrel 1 is provided with a recessed mounting platform 101, and the lower end of the crushing barrel 2 is seated on the mounting platform 101. By directly seating the crushing barrel 2 on the bracket barrel 1, it is convenient for the operator to directly move the crushing barrel 2 away when the filtered powder needs to be taken out, without the need for complicated disassembly; the bracket barrel 1 is provided with a limit platform 102 inside, and the filter screen 301 is rotatably seated on the limit platform 102. By providing the limit platform 102, the filter screen 301 can be prevented from falling during the installation process; a material receiving box 8 is provided under the bracket barrel 1; the crushing barrel 2 includes a barrel cover 201 and a barrel body 202, and the two ends of the barrel body 202 are through-set. The upper end of the barrel body 202 is detachably provided with a barrel cover 201, and the upper end of the barrel cover 201 is provided with a feed port 10. The side of the barrel cover 201 is symmetrically provided with a first connecting ear 203, and the first connecting ear 203 is provided with a connecting bolt 204. The barrel body 202 is provided with a second connecting ear 205 at the position corresponding to the first connecting ear 203, and the connecting bolt 204 is threadedly connected to the second connecting ear 205; the lower end of the barrel body 202 is located on the mounting platform 101; the crushing device 4 includes a rotating shaft 401 and a crushing disk 404; the barrel cover 201 is rotatably provided with a rotating shaft 401, and the upper end of the barrel cover 201 is provided with a first motor 5, and the output shaft of the first motor 5 is connected to the upper end of the rotating shaft 401; the interior of the barrel body 202 is fixedly provided with a crushing disk 404, and the lower end of the rotating shaft 401 is provided with a crushing rotor. 403, the crushing disk 404 is provided with a corresponding crushing slot 405 at the position corresponding to the crushing rotor 403, and the crushing rotor 403 is inserted into the crushing slot 405. The American ginseng can be ground into fine particles through the rotation and grinding between the crushing rotor 403 and the crushing slot 405, thereby improving the crushing effect; in addition, it also includes a crushing knife 402, and the crushing knife 402 located above the crushing disk 404 is provided on the rotating shaft 401. The crushing knife 402 is provided to facilitate the crushing of American ginseng into coarse particles, and facilitates grinding through the crushing rotor 403 and the crushing slot 405.

[0029] Example 2

[0030] like Figure 1-Figure 4 and Figure 7As shown, a raw material crushing and screening device for the production and processing of American ginseng soft capsules includes a bracket barrel 1, a crushing barrel 2, a first motor 5 and a second motor 6. The crushing barrel 2 is located on the bracket barrel 1, and also includes a filtering device 3 and a crushing device 4. The filtering device 3 is rotatably installed in the bracket barrel 1, and the crushing device 4 is installed in the crushing barrel 2. The first motor 5 and the crushing device 4 are transmission-connected; the filtering device 3 includes a filter screen 301, a feed port 302 and a spreading plate 304. The filter screen 301 has a trumpet-shaped structure, and the large end of the filter screen 301 is provided with a spreading plate located below the crushing device 4. The disk 304 and the small port of the filter screen 301 are provided with a discharge port 302. The lower end of the discharge port 302 passes through the bottom of the bracket barrel 1 and is detachably installed with a gear sleeve 7; the output shaft of the second motor 6 is provided with a rotating gear 9 meshing with the gear sleeve 7, and the gear sleeve 7 includes a pin rod 701 and a rotating tooth 702. The lower end of the gear sleeve 7 is fixedly provided with a rotating tooth 702, and the rotating tooth 702 is meshed with the rotating gear 9; a pin hole 303 is provided through the discharge port 302, the gear sleeve 7 is sleeved on the discharge port 302, and the pin rod 701 is inserted into the pin hole 303.

[0031] like Figure 2 、 Figure 3 、 Figure 5 and Figure 6 As shown, the bracket barrel 1 includes a mounting platform 101, a limiting platform 102 and support legs 103; a plurality of support legs 103 are sequentially arranged on the outer side of the bracket barrel 1 along its circumferential direction, the upper port of the bracket barrel 1 is provided with a recessed mounting platform 101, and the lower end of the crushing barrel 2 is seated on the mounting platform 101; a limiting platform 102 is provided inside the bracket barrel 1, and the filter screen 301 is rotatably seated on the limiting platform 102; a material receiving box 8 is provided below the bracket barrel 1; the crushing barrel 2 includes a barrel cover 201 and a barrel body 202, both ends of the barrel body 202 are through-set, and the upper end of the barrel body 202 is detachably provided with a barrel cover 201, and the upper end of the barrel cover 201 is provided with a feeding port 10, and the side of the barrel cover 201 is symmetrically provided with a first connecting ear 203, and the first connecting ear 203 is provided with a connecting bolt 204, and the barrel body 202 corresponds one to one to the first connecting ear. A second connecting ear 205 is provided at the position of the connecting ear 203, and the connecting bolt 204 is threadedly connected to the second connecting ear 205; the lower end of the barrel body 202 is located on the mounting platform 101; the crushing device 4 includes a rotating shaft 401 and a crushing disk 404; a rotating shaft 401 is rotatably provided on the barrel cover 201, and a first motor 5 is provided at the upper end of the barrel cover 201, and the output shaft of the first motor 5 is connected to the upper end of the rotating shaft 401; a crushing disk 404 is fixedly provided inside the barrel body 202, and a crushing rotor 403 is provided at the lower end of the rotating shaft 401, and the crushing disk 404 is provided with a corresponding crushing slot 405 corresponding to the position of the crushing rotor 403, and the crushing rotor 403 is inserted in the crushing slot 405, and also includes a crushing knife 402, and a crushing knife 402 is provided on the rotating shaft 401 and located above the crushing disk 404.

[0032] The working principle of the present invention is as follows: the first motor 5 and the second motor 6 are started, and the American ginseng is put into the crushing barrel 2 through the feed port 10. The first motor 5 drives the rotating shaft 401 to rotate, and the rotating shaft drives the crushing knife 402 to rotate. The crushing knife 402 coarsely crushes the American ginseng. The coarsely crushed particles fall on the crushing disk 404, and then are finely crushed by the rotation and grinding between the crushing rotor 403 and the crushing disk 404; the crushed particles fall on the spreading disk 304, and at the same time, the second motor 6 drives the gear sleeve 7 to rotate by rotating the gear 9. The gear sleeve 7 drives the filtering device 3 to rotate. During the rotation of the spreading disc 304, the particles are sprinkled on the trumpet-shaped filter screen 301 for filtration. At the same time, the filter screen 301 is also rotating, so that the particles are filtered more dispersedly to prevent the filter screen 301 from being blocked. The filtered particles enter the interior of the bracket barrel 1, and the unfiltered particles will enter the receiving box 8 through the discharge port 302. Then the unqualified powder in the receiving box 8 can be crushed and filtered again; when the crushing and filtration is completed, the crushing barrel 2 can be directly removed from the bracket barrel 1 to take out the filtered powder.

[0033] In summary, the present invention sets a filtering device 3, and cooperates with the trumpet-shaped filter screen 301 and the spreading plate 304 to drive the crushed American ginseng powder to be evenly filtered during the rotation of the filtering device 3. At the same time, the particles that cannot be filtered are discharged into the receiving box 8 through the discharge port 302, so that too much granular powder will not accumulate on the filter screen 301, and it is convenient to directly put larger particles into the feed port 10 for crushing; at the same time, the bracket barrel 1 and the crushing barrel 2 are set separately, and the crushing barrel 2 is located on the bracket barrel 1 for convenient disassembly and installation; by setting the crushing device 4, by setting the crushing knife 402, the crushing rotor 403 and the crushing disk 404, the American ginseng can be crushed into coarse particles by the crushing knife 402, and then the coarse particles are crushed and ground into fine powder particles by the crushing rotor 403 and the crushing disk 404, and the crushing efficiency is higher.

[0034] The above is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A raw material crushing and screening device for producing and processing American ginseng soft capsules, comprising a support barrel (1), a crushing barrel (2), a first motor (5) and a second motor (6), wherein the crushing barrel (2) is located on the support barrel (1), and is characterized in that: The invention also comprises a filtering device (3) and a crushing device (4), wherein the filtering device (3) is rotatably mounted in the support barrel (1), and the crushing device (4) is mounted in the crushing barrel (2), and the first motor (5) and the crushing device (4) are transmission-connected; the filtering device (3) comprises a filter screen (301), a discharge port (302) and a spreading disc (304), the filtering screen (301) having a trumpet-shaped structure, the large end of the filtering screen (301) being provided with a spreading disc (304) located below the crushing device (4), the small end of the filtering screen (301) being provided with a discharge port (302), the lower end of the discharge port (302) passing through the bottom of the support barrel (1) and being detachably mounted with a gear sleeve (7); the output shaft of the second motor (6) being provided with a rotating gear (9) meshing with the gear sleeve (7).

2. The raw material crushing and screening device for producing and processing American ginseng soft capsules according to claim 1, characterized in that: The support barrel (1) comprises a mounting platform (101), a limiting platform (102) and supporting legs (103); a plurality of supporting legs (103) are sequentially arranged on the outer side of the support barrel (1) along its circumferential direction; an upper end of the support barrel (1) is provided with an inwardly recessed mounting platform (101), and the lower end of the crushing barrel (2) is seated on the mounting platform (101); a limiting platform (102) is provided inside the support barrel (1), and the filter screen (301) is rotatably seated on the limiting platform (102); and a material receiving box (8) is provided below the support barrel (1).

3. The raw material crushing and screening device for producing and processing American ginseng soft capsules according to claim 2, characterized in that: The crushing barrel (2) comprises a barrel cover (201) and a barrel body (202), wherein both ends of the barrel body (202) are through-connected, the upper end of the barrel body (202) is detachably provided with the barrel cover (201), the upper end of the barrel cover (201) is provided with a feed port (10), and the lower end of the barrel body (202) is seated on a mounting platform (101).

4. The raw material crushing and screening device for producing and processing American ginseng soft capsules according to claim 3, characterized in that: The side of the barrel cover (201) is symmetrically provided with a first connecting ear (203), and the first connecting ear (203) is provided with a connecting bolt (204). The barrel body (202) is provided with a second connecting ear (205) at a position corresponding to the first connecting ear (203), and the connecting bolt (204) is threadedly connected to the second connecting ear (205).

5. The raw material crushing and screening device for producing and processing American ginseng soft capsules according to claim 3, characterized in that: The pulverizing device (4) comprises a rotating shaft (401) and a pulverizing disc (404); the rotating shaft (401) is rotatably provided on the barrel cover (201), a first motor (5) is provided at the upper end of the barrel cover (201), and an output shaft of the first motor (5) is connected to the upper end of the rotating shaft (401); a pulverizing disc (404) is fixedly provided inside the barrel body (202), a pulverizing rotor (403) is provided at the lower end of the rotating shaft (401), and a matching pulverizing slot (405) is provided on the pulverizing disc (404) at a position corresponding to the pulverizing rotor (403), and the pulverizing rotor (403) is inserted into the pulverizing slot (405).

6. The raw material crushing and screening device for producing and processing American ginseng soft capsules according to claim 5, characterized in that: Furthermore, a crushing knife (402) is included. The rotating shaft (401) is provided with a crushing knife (402) located above the crushing disk (404).

7. The raw material crushing and screening device for producing and processing American ginseng soft capsules according to claim 1, characterized in that: The gear sleeve (7) comprises a pin rod (701) and a rotating tooth (702); the rotating tooth (702) is fixedly provided at the lower end of the gear sleeve (7); the rotating tooth (702) is meshed with the rotating gear (9); a pin hole (303) is provided through the discharge port (302); the gear sleeve (7) is sleeved on the discharge port (302), and the pin rod (701) is inserted into the pin hole (303).

Citation Information

Patent Citations

  • Raw material crushing and sieving device

    CN221183051U