CN110813480A - Anti-blocking type medicinal material grinding and crushing machine for pharmaceutical production - Google Patents
Anti-blocking type medicinal material grinding and crushing machine for pharmaceutical production Download PDFInfo
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- CN110813480A CN110813480A CN201911155022.4A CN201911155022A CN110813480A CN 110813480 A CN110813480 A CN 110813480A CN 201911155022 A CN201911155022 A CN 201911155022A CN 110813480 A CN110813480 A CN 110813480A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/20—Disintegrating by grating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to the technical field of medicinal material grinding and crushing, in particular to an anti-blocking medicinal material grinding and crushing machine for pharmaceutical production; a reciprocating assembly based on a rotating cam is used as a tension source, a servo motor drives the rotating cam to work through bevel gear transmission, the rotating cam drives a Y-shaped rod to move up and down through the action of a pressing plate and a second-class spring, and then drives an anchor claw to move up and down through a pull rope, so that medicinal material in a charging barrel is dredged, and blockage is avoided; when the Y-shaped rod moves up and down, the horizontal rod moves up and down on one hand and moves left and right on the other hand, so that the horizontal rod is matched with the second-class spring to act, the horizontal plate moves left and right, the blanking section is finally blocked or opened, and intermittent blanking is realized; the servo motor drives the first rotating shaft to rotate, and meanwhile drives the second rotating shaft to rotate, so that the grinding head is rotated, and medicinal materials falling between the grinding head and the grinding section are ground and crushed.
Description
Technical Field
The invention relates to the technical field of medicinal material grinding and crushing, in particular to an anti-blocking medicinal material grinding and crushing machine for pharmaceutical production.
Background
The medicine is used for preventing, treating and diagnosing human diseases, purposefully regulating the physiological function of human and prescribing substances with indications or functional indications, usage and dosage, and comprises traditional Chinese medicinal materials, traditional Chinese medicine decoction pieces, Chinese patent medicines, chemical bulk drugs and preparations thereof, antibiotics, biochemical medicines, radioactive medicines, serum, vaccines, blood products, diagnostic medicines and the like.
Most of the existing commercially available medicines are produced by various machines in pharmaceutical factories. The pharmaceutical factory refers to a factory for producing raw material medicines such as antibiotics, chemical synthetic medicines, biochemical medicines, phytochemicals and the like and various pharmaceutical preparations or traditional Chinese medicines.
Pharmaceutical factories are generally technology-intensive fine chemical production, and the raw material medicine products have multiple varieties, long production process and complex process. The annual demand of the medicines is different, and reaches thousands of tons, and the annual demand of the medicines is less than thousands of grams, so the production scales are different, batch production is mostly adopted, and only certain steps of individual products adopt continuous production processes.
The pharmaceutical factory is different from a general chemical factory in that:
① in order to ensure the quality of the medicine and the safety and effectiveness of the medicine for patients, the production of the preparation has strict management specifications.
②, the purity of the raw materials and the limit of harmful impurities are strictly required, the quality of raw materials, intermediates and finished products is strictly controlled in production, and the refining, crystallization, separation, drying and split charging of the products are carried out in clean and dustless isolation regions.
In the pharmaceutical process, the medicinal materials are often ground and crushed, so that the surface area of the medicament is increased, and the dissolution of the medicament is promoted; the dissolution of the effective components in the medicinal materials is accelerated; is convenient for preparing, taking and exerting the drug effect; is also beneficial to preparing various medicaments.
The more common grinding and crushing mode still operates by manpower, the labor amount is large, the production efficiency is low, and the pharmaceutical production progress cannot be met. Also adopt grinding reducing mechanism to carry out mechanized production, but current grinding reducing mechanism often has the problem that the feeding blockked up, leads to the user to shut down to go to dredge occasionally to lead to work efficiency to cause the influence.
Disclosure of Invention
Technical problem to be solved
The invention aims to overcome the defects in the prior art and provides an anti-blocking type medicinal material grinding and crushing machine for pharmaceutical production.
(II) technical scheme
An anti-blocking type medicinal material grinding and crushing machine for pharmaceutical production comprises a bottom plate, a shell, a charging barrel, a pull rope assembly and a reciprocating assembly;
the charging barrel is arranged above the bottom plate and is divided into a feeding section, a discharging section and a grinding section from top to bottom; a grinding end is arranged in the grinding section; the shell is fixedly connected to the bottom plate, an opening is formed in the left side of the shell, and the top of the opening is connected with the outer wall of the grinding section;
the reciprocating assembly is arranged on the right side of the charging barrel and comprises a rotating cam, a pressing plate, an upper Y-shaped rod, a lower Y-shaped rod and a rod sleeve; the rotating cam is arranged in the shell and is provided with a servo motor as a power source; a pressing plate is matched above the rotating cam; the upper Y-shaped rod and the lower Y-shaped rod are symmetrically arranged up and down, and the tail ends of the branches are connected into a whole through the rod sleeve; the bottom end of the lower Y-shaped rod extends into the shell and is connected with the top of the pressing plate; a class of springs are arranged between the top of the pressure plate and the shell;
the pull rope assembly comprises a fixed pulley, a pull rope and an anchor claw; the fixed pulley sets up on the feed cylinder, and Y shape pole top is connected to stay cord one end, and the stay cord other end is walked around the fixed pulley, is stretched into in the feed cylinder and is connected with the fluke.
The fixed pulleys comprise a first fixed pulley, a second fixed pulley and a third fixed pulley, an inverted L-shaped top frame is arranged at the right end of the top of the charging barrel, the first fixed pulley is arranged on the right side of the charging barrel, the second fixed pulley is arranged on the left side of the top frame, the third fixed pulley is arranged on the top of the top frame, and the pull rope sequentially bypasses from the right side of the first fixed pulley, the left side of the second fixed pulley and the top side of the third fixed pulley and vertically extends downwards into the feeding section; the feeding section is of a necking structure with a large upper part and a small lower part.
Wherein, a horizontal rod penetrates through the rod sleeve, the left end of the horizontal rod is provided with an end plate, and the right end of the horizontal rod is provided with a wedge-shaped block; the top of the shell is provided with an inclined plane corresponding to the wedge-shaped block, and the inclined plane is fixedly connected with the shell through a support; a through groove is formed in the right side wall of the charging barrel corresponding to the inlet of the discharging section, a horizontal plate is inserted into the through groove, the right end of the horizontal plate penetrates through the through groove and is connected with a vertical plate, and the bottom end of the vertical plate is connected with the shell in a sliding mode; a second type spring is also arranged between the vertical plate and the charging barrel.
The rotating cam is arranged on a third rotating shaft in the left-right direction, the shell is fixedly connected with a supporting plate corresponding to the third rotating shaft, and two ends of the third rotating shaft are rotatably connected with the supporting plate; the right end of the third rotating shaft penetrates through the supporting plate and is provided with a second bevel gear; servo motor fixed mounting is at the casing top, and servo motor's output stretches out downwards and is connected with the pivot No. one, corresponds No. two bevel gears on the pivot and is provided with bevel gear No. one, bevel gear and No. two bevel gear vertical meshing.
The grinding section is of a flaring structure with a small upper part and a large lower part, and the grinding end is of a corresponding frustum structure; the inner wall of the crushing section and the grinding end are correspondingly provided with grinding bulges; the bottom of the grinding end is connected with a second rotating shaft, and the bottom end of the second rotating shaft is rotatably connected with the bottom plate; the first rotating shaft is in transmission connection with the second rotating shaft.
The bottom end of the first rotating shaft is also rotatably connected with the bottom plate; a first driving wheel is arranged on the lower section of the first rotating shaft, a second rotating wheel is correspondingly arranged on the lower section of the second rotating shaft, and the first driving wheel and the second driving wheel are in transmission connection through a transmission belt.
Wherein, a material receiving basket is arranged below the charging barrel, the bottom surface of the material receiving basket is lower left and higher right, one side lower than the material receiving basket is connected with a material discharging pipe, and a valve is arranged on the material discharging pipe; the center of the material receiving basket is provided with a center barrel, openings are formed in the upper portion and the lower portion of the center barrel, and a second rotating shaft penetrates through the center barrel and is in clearance fit with the center barrel.
Wherein, a mounting plate is arranged below the material receiving basket and fixedly connected on the bottom plate through a class of supporting rods; the second rotating shaft penetrates through the mounting plate; two sections of sliding rails are symmetrically arranged on the mounting plate in the left-right direction, the bottom of the material receiving basket is connected with two corresponding types of supporting rods, sliding blocks are arranged at the bottom ends of the two types of supporting rods, and the sliding blocks are connected with the sliding rails in a sliding mode.
The material receiving basket is symmetrically provided with two racks in front and back corresponding to the lower opening of the central barrel, tooth surfaces of the racks are arranged oppositely, the second rotating shaft is positioned between the racks and is provided with an incomplete gear, and the incomplete gear is alternatively matched with the racks; incomplete gear and rack alternate action drive and connect material basket to reciprocate to rock about, and No. two pivot and central section of thick bamboo inner wall clearance distance are greater than and connect material basket displacement, and the in-process that connects the material basket to rock like this, central section of thick bamboo and No. two pivots do not bump.
Wherein, a plurality of groups are uniformly arranged on the second class of springs.
(III) advantageous effects
The invention provides an anti-blocking type medicinal material grinding and crushing machine for pharmaceutical production, which has the following advantages:
1, adopt and regard as the pulling force source based on the reciprocal subassembly of rotating the cam, servo motor drives through the bevel gear transmission and rotates cam work, rotates the cam and passes through clamp plate and the effect of second class spring, drives Y type pole and reciprocates, and then drives the fluke through the stay cord and reciprocates, dredges the medicinal material raw materials in the feed cylinder, avoids blockking up.
2, when the Y-shaped rod moves up and down, the horizontal rod moves up and down on the one hand, and moves left and right on the other hand, so that the horizontal rod and the second-class spring are matched to act, the horizontal plate moves left and right, the blanking section is finally plugged or opened, and intermittent blanking is realized.
3, when the pivot of servo motor drive was rotated, still driven No. two pivots and rotated, and then made the grinding head rotate to grind the smashing to falling into the medicinal material between grinding head and the grinding section.
4, a material receiving basket is arranged below the charging barrel, and the material receiving basket is shaken leftwards and rightwards under the matching action of the incomplete gear and the rack by utilizing the rotation of the second rotating shaft, so that the material particles are concentrated on the lower side by matching with the inclined plane at the bottom of the material receiving basket, and the material is convenient to discharge; and in consideration of the position relation between the second rotating shaft and the material receiving basket, the center barrel is arranged in the center of the material receiving basket, so that the second rotating shaft penetrates through the center barrel and is in clearance fit with the center barrel, and the material receiving basket is suitable for rotation of the second rotating shaft and shaking of the material receiving basket.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only for the present invention and protect some embodiments, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a view showing the construction of a charging section according to the present invention;
FIG. 3 is a block diagram of the shuttle assembly of the present invention;
FIG. 4 is a structural view of a rotating cam in the present invention;
FIG. 5 is a block diagram of the grinding section of the present invention;
FIG. 6 is a view showing the construction of the receiving basket according to the present invention;
fig. 7 is a structural view of a partial gear in the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-bottom plate, 101-type supporting rod, 102-mounting plate, 103-sliding rail, 2-shell,
3-charging barrel, 301-feeding section, 3011-top frame, 302-discharging section, 3021-class II spring, 3022-horizontal plate, 3023-vertical plate, 303-grinding section, 304-grinding end, 305-grinding bulge, 306-second rotating shaft, 307-incomplete gear, 308-second driving wheel, 309-driving belt,
4-reciprocating component, 401-horizontal rod, 4011-end plate, 402-rod sleeve, 403-wedge block, 404-lower Y-shaped rod, 405-upper Y-shaped rod, 406-inclined plane, 4061-support, 407-pressure plate, 408-class spring,
5-pulling rope component, 501-pulling rope, 502-fixed pulley No. one, 503-fixed pulley No. two, 504-fixed pulley No. three, 505-fluke,
6-receiving basket, 601-central cylinder, 602-discharging pipe, 603-rack, 604-second-class supporting rod, 605-sliding block,
701-servo motor, 702-first rotating shaft, 703-first bevel gear, 704-second bevel gear, 705-third rotating shaft, 706-rotating cam, 707-supporting plate and 708-first transmission wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
An anti-blocking type medicinal material grinding and crushing machine for pharmaceutical production comprises a bottom plate 1, a shell 2, a charging barrel 3, a pull rope assembly 5 and a reciprocating assembly 4;
the charging barrel 3 is arranged above the bottom plate 1 and is divided into a feeding section 301, a discharging section 302 and a grinding section 303 from top to bottom; a grinding end head 304 is arranged in the grinding section 303; the shell 2 is fixedly connected to the bottom plate 1, an opening is formed in the left side of the shell 2, and the top of the opening is connected with the outer wall of the grinding section 303;
the reciprocating component 4 is arranged at the right side of the charging barrel 3 and comprises a rotating cam 706, a pressing plate 407, an upper Y-shaped rod 405, a lower Y-shaped rod 404 and a rod sleeve 402; the rotating cam 706 is arranged in the shell 2 and is provided with a servo motor 701 as a power source; a pressing plate 407 is fitted above the rotating cam 706; the upper Y-shaped rod 405 and the lower Y-shaped rod 404 are arranged up and down symmetrically, and the forked tail ends are connected into a whole through the rod sleeve 402; the bottom end of the lower Y-shaped rod 404 extends into the shell 2 and is connected with the top of the pressing plate 407; a spring 408 is connected between the top of the pressure plate 407 and the housing 2;
the pull rope assembly 5 comprises a fixed pulley, a pull rope 501 and a fluke 505; the fixed pulley is arranged on the charging barrel 3, one end of a pull rope 501 is connected with the top end of the upper Y-shaped rod 405, and the other end of the pull rope passes around the fixed pulley, extends into the charging barrel 3 and is connected with a fluke 505.
Wherein, the rotating cam 706 is arranged on a third rotating shaft 705 in the left-right direction, a supporting plate 707 is fixedly connected to the shell 2 corresponding to the third rotating shaft 705, and two ends of the third rotating shaft 705 are rotatably connected with the supporting plate 707; the right end of the third rotating shaft 705 penetrates through the supporting plate 707 and is provided with a second bevel gear 704; the servo motor 701 is fixedly installed at the top of the shell 2, the output end of the servo motor 701 extends downwards and is connected with a first rotating shaft 702, a first bevel gear 703 is installed on the first rotating shaft 702 corresponding to a second bevel gear 704, the first bevel gear 703 is vertically meshed with the second bevel gear 704, and the servo motor 701 drives the rotating cam 706 to work through bevel gear transmission.
Specifically, rotating cam 706 rotates, through clamp plate 407 and class II spring 408 effect, drives Y type pole and reciprocates, and then drives fluke 505 through stay cord 501 and reciprocates, dredges the medicinal material raw materials in the feed cylinder 3, avoids blockking up.
Example 2
An anti-blocking type medicinal material grinding and crushing machine for pharmaceutical production comprises a bottom plate 1, a shell 2, a charging barrel 3, a pull rope assembly 5 and a reciprocating assembly 4;
the charging barrel 3 is arranged above the bottom plate 1 and is divided into a feeding section 301, a discharging section 302 and a grinding section 303 from top to bottom; a grinding end head 304 is arranged in the grinding section 303; the shell 2 is fixedly connected to the bottom plate 1, an opening is formed in the left side of the shell 2, and the top of the opening is connected with the outer wall of the grinding section 303;
the reciprocating component 4 is arranged at the right side of the charging barrel 3 and comprises a rotating cam 706, a pressing plate 407, an upper Y-shaped rod 405, a lower Y-shaped rod 404 and a rod sleeve 402; the rotating cam 706 is arranged in the shell 2 and is provided with a servo motor 701 as a power source; a pressing plate 407 is fitted above the rotating cam 706; the upper Y-shaped rod 405 and the lower Y-shaped rod 404 are arranged up and down symmetrically, and the forked tail ends are connected into a whole through the rod sleeve 402; the bottom end of the lower Y-shaped rod 404 extends into the shell 2 and is connected with the top of the pressing plate 407; a spring 408 is connected between the top of the pressure plate 407 and the housing 2;
the pull rope assembly 5 comprises a fixed pulley, a pull rope 501 and a fluke 505; the fixed pulley is arranged on the charging barrel 3, one end of a pull rope 501 is connected with the top end of the upper Y-shaped rod 405, and the other end of the pull rope passes around the fixed pulley, extends into the charging barrel 3 and is connected with a fluke 505.
Wherein, the rotating cam 706 is arranged on a third rotating shaft 705 in the left-right direction, a supporting plate 707 is fixedly connected to the shell 2 corresponding to the third rotating shaft 705, and two ends of the third rotating shaft 705 are rotatably connected with the supporting plate 707; the right end of the third rotating shaft 705 penetrates through the supporting plate 707 and is provided with a second bevel gear 704; the servo motor 701 is fixedly installed at the top of the shell 2, the output end of the servo motor 701 extends downwards and is connected with a first rotating shaft 702, a first bevel gear 703 is installed on the first rotating shaft 702 corresponding to a second bevel gear 704, the first bevel gear 703 is vertically meshed with the second bevel gear 704, and the servo motor 701 drives the rotating cam 706 to work through bevel gear transmission.
The fixed pulleys comprise a first fixed pulley 502, a second fixed pulley 503 and a third fixed pulley 504, the right end of the top of the charging barrel 3 is connected with an inverted L-shaped top frame 3011, the first fixed pulley 502 is arranged on the right side of the charging barrel 3, the second fixed pulley 503 is arranged on the left side of the top frame 3011, the third fixed pulley 504 is arranged on the top of the top frame 3011, and the pull rope 501 sequentially bypasses from the right side of the first fixed pulley 502, the left side of the second fixed pulley 503 and the top side of the third fixed pulley 504 and vertically extends downwards into the feeding section 505; the feeding section 505 is a throat structure with a large top and a small bottom.
The pull rope 501 is limited by three fixed pulleys, so that the operation is stable; the raw materials are fed from the inlet of the feeding section 505, are guided by a necking, and are matched with the fluke 505 to avoid the blockage of the small-mouth end.
Wherein, a horizontal rod 401 penetrates through the rod sleeve 402, the left end of the horizontal rod 401 is connected with an end plate 4011, and the right end is connected with a wedge-shaped block 403; the top of the shell 1 is provided with an inclined plane 406 corresponding to the wedge block 403, and the inclined plane 406 is fixedly connected with the shell 1 through a support 4061; a through groove is formed in the right side wall of the charging barrel 3 corresponding to the inlet of the blanking section 302, a horizontal plate 3022 is inserted into the through groove, the right end of the horizontal plate 3022 penetrates through the through groove and is connected with a vertical plate 3023, and the bottom end of the vertical plate 3023 is slidably connected with the shell 1; a second spring 3021 is connected between the vertical plate 3023 and the charging barrel 3;
thus, when the Y-shaped rod moves up and down, the horizontal rod 401 moves up and down on one hand and moves left and right on the other hand, so that the horizontal rod cooperates with the second-class spring 3021 to realize the left and right movement of the horizontal plate 3022, and finally, the blanking section 302 is blocked or opened to realize intermittent blanking; in order to ensure the restoring force, the class ii springs 3021 are uniformly arranged in several groups.
Example 3
An anti-blocking type medicinal material grinding and crushing machine for pharmaceutical production comprises a bottom plate 1, a shell 2, a charging barrel 3, a pull rope assembly 5 and a reciprocating assembly 4;
the charging barrel 3 is arranged above the bottom plate 1 and is divided into a feeding section 301, a discharging section 302 and a grinding section 303 from top to bottom; a grinding end head 304 is arranged in the grinding section 303; the shell 2 is fixedly connected to the bottom plate 1, an opening is formed in the left side of the shell 2, and the top of the opening is connected with the outer wall of the grinding section 303;
the reciprocating component 4 is arranged at the right side of the charging barrel 3 and comprises a rotating cam 706, a pressing plate 407, an upper Y-shaped rod 405, a lower Y-shaped rod 404 and a rod sleeve 402; the rotating cam 706 is arranged in the shell 2 and is provided with a servo motor 701 as a power source; a pressing plate 407 is fitted above the rotating cam 706; the upper Y-shaped rod 405 and the lower Y-shaped rod 404 are arranged up and down symmetrically, and the forked tail ends are connected into a whole through the rod sleeve 402; the bottom end of the lower Y-shaped rod 404 extends into the shell 2 and is connected with the top of the pressing plate 407; a spring 408 is connected between the top of the pressure plate 407 and the housing 2;
the pull rope assembly 5 comprises a fixed pulley, a pull rope 501 and a fluke 505; the fixed pulley is arranged on the charging barrel 3, one end of a pull rope 501 is connected with the top end of the upper Y-shaped rod 405, and the other end of the pull rope passes around the fixed pulley, extends into the charging barrel 3 and is connected with a fluke 505.
Wherein, the rotating cam 706 is arranged on a third rotating shaft 705 in the left-right direction, a supporting plate 707 is fixedly connected to the shell 2 corresponding to the third rotating shaft 705, and two ends of the third rotating shaft 705 are rotatably connected with the supporting plate 707; the right end of the third rotating shaft 705 penetrates through the supporting plate 707 and is provided with a second bevel gear 704; the servo motor 701 is fixedly installed at the top of the shell 2, the output end of the servo motor 701 extends downwards and is connected with a first rotating shaft 702, a first bevel gear 703 is installed on the first rotating shaft 702 corresponding to a second bevel gear 704, the first bevel gear 703 is vertically meshed with the second bevel gear 704, and the servo motor 701 drives the rotating cam 706 to work through bevel gear transmission.
The fixed pulleys comprise a first fixed pulley 502, a second fixed pulley 503 and a third fixed pulley 504, the right end of the top of the charging barrel 3 is connected with an inverted L-shaped top frame 3011, the first fixed pulley 502 is arranged on the right side of the charging barrel 3, the second fixed pulley 503 is arranged on the left side of the top frame 3011, the third fixed pulley 504 is arranged on the top of the top frame 3011, and the pull rope 501 sequentially bypasses from the right side of the first fixed pulley 502, the left side of the second fixed pulley 503 and the top side of the third fixed pulley 504 and vertically extends downwards into the feeding section 505; the feeding section 505 is a throat structure with a large top and a small bottom.
Wherein, a horizontal rod 401 penetrates through the rod sleeve 402, the left end of the horizontal rod 401 is connected with an end plate 4011, and the right end is connected with a wedge-shaped block 403; the top of the shell 1 is provided with an inclined plane 406 corresponding to the wedge block 403, and the inclined plane 406 is fixedly connected with the shell 1 through a support 4061; a through groove is formed in the right side wall of the charging barrel 3 corresponding to the inlet of the blanking section 302, a horizontal plate 3022 is inserted into the through groove, the right end of the horizontal plate 3022 penetrates through the through groove and is connected with a vertical plate 3023, and the bottom end of the vertical plate 3023 is slidably connected with the shell 1; a second spring 3021 is connected between the vertical plate 3023 and the charging barrel 3;
the crushing section 303 is of a flaring structure with a small upper part and a large lower part, and the grinding end head 304 is of a corresponding frustum structure; grinding protrusions 305 are correspondingly processed on the inner wall of the grinding section 303 and the grinding end head 304; the bottom of the grinding end head 304 is connected with a second rotating shaft 306, and the bottom end of the second rotating shaft 306 is rotatably connected with the bottom plate 1; the first rotating shaft 702 is in transmission connection with the second rotating shaft 306. Specifically, the bottom end of the first rotating shaft 702 is also rotatably connected with the bottom plate 1; the first transmission wheel 708 is arranged on the lower section of the first rotating shaft 702, the second rotating wheel 308 is correspondingly arranged on the lower section of the second rotating shaft 306, and the first transmission wheel 708 and the second transmission wheel 308 are in transmission connection through a transmission belt 309.
Like this, when servo motor 701 drive pivot 702 rotated, still drive No. two pivot 306 rotations, and then make grinding head 304 rotate to grind the smashing to the medicinal material that falls into between grinding head 304 and the section 303 of grinding.
Example 4
An anti-blocking type medicinal material grinding and crushing machine for pharmaceutical production comprises a bottom plate 1, a shell 2, a charging barrel 3, a pull rope assembly 5 and a reciprocating assembly 4;
the charging barrel 3 is arranged above the bottom plate 1 and is divided into a feeding section 301, a discharging section 302 and a grinding section 303 from top to bottom; a grinding end head 304 is arranged in the grinding section 303; the shell 2 is fixedly connected to the bottom plate 1, an opening is formed in the left side of the shell 2, and the top of the opening is connected with the outer wall of the grinding section 303;
the reciprocating component 4 is arranged at the right side of the charging barrel 3 and comprises a rotating cam 706, a pressing plate 407, an upper Y-shaped rod 405, a lower Y-shaped rod 404 and a rod sleeve 402; the rotating cam 706 is arranged in the shell 2 and is provided with a servo motor 701 as a power source; a pressing plate 407 is fitted above the rotating cam 706; the upper Y-shaped rod 405 and the lower Y-shaped rod 404 are arranged up and down symmetrically, and the forked tail ends are connected into a whole through the rod sleeve 402; the bottom end of the lower Y-shaped rod 404 extends into the shell 2 and is connected with the top of the pressing plate 407; a spring 408 is connected between the top of the pressure plate 407 and the housing 2;
the pull rope assembly 5 comprises a fixed pulley, a pull rope 501 and a fluke 505; the fixed pulley is arranged on the charging barrel 3, one end of a pull rope 501 is connected with the top end of the upper Y-shaped rod 405, and the other end of the pull rope passes around the fixed pulley, extends into the charging barrel 3 and is connected with a fluke 505.
Wherein, the rotating cam 706 is arranged on a third rotating shaft 705 in the left-right direction, a supporting plate 707 is fixedly connected to the shell 2 corresponding to the third rotating shaft 705, and two ends of the third rotating shaft 705 are rotatably connected with the supporting plate 707; the right end of the third rotating shaft 705 penetrates through the supporting plate 707 and is provided with a second bevel gear 704; the servo motor 701 is fixedly installed at the top of the shell 2, the output end of the servo motor 701 extends downwards and is connected with a first rotating shaft 702, a first bevel gear 703 is installed on the first rotating shaft 702 corresponding to a second bevel gear 704, the first bevel gear 703 is vertically meshed with the second bevel gear 704, and the servo motor 701 drives the rotating cam 706 to work through bevel gear transmission.
The fixed pulleys comprise a first fixed pulley 502, a second fixed pulley 503 and a third fixed pulley 504, the right end of the top of the charging barrel 3 is connected with an inverted L-shaped top frame 3011, the first fixed pulley 502 is arranged on the right side of the charging barrel 3, the second fixed pulley 503 is arranged on the left side of the top frame 3011, the third fixed pulley 504 is arranged on the top of the top frame 3011, and the pull rope 501 sequentially bypasses from the right side of the first fixed pulley 502, the left side of the second fixed pulley 503 and the top side of the third fixed pulley 504 and vertically extends downwards into the feeding section 505; the feeding section 505 is a throat structure with a large top and a small bottom.
Wherein, a horizontal rod 401 penetrates through the rod sleeve 402, the left end of the horizontal rod 401 is connected with an end plate 4011, and the right end is connected with a wedge-shaped block 403; the top of the shell 1 is provided with an inclined plane 406 corresponding to the wedge block 403, and the inclined plane 406 is fixedly connected with the shell 1 through a support 4061; a through groove is formed in the right side wall of the charging barrel 3 corresponding to the inlet of the blanking section 302, a horizontal plate 3022 is inserted into the through groove, the right end of the horizontal plate 3022 penetrates through the through groove and is connected with a vertical plate 3023, and the bottom end of the vertical plate 3023 is slidably connected with the shell 1; a second spring 3021 is connected between the vertical plate 3023 and the charging barrel 3;
the crushing section 303 is of a flaring structure with a small upper part and a large lower part, and the grinding end head 304 is of a corresponding frustum structure; grinding protrusions 305 are correspondingly processed on the inner wall of the grinding section 303 and the grinding end head 304; the bottom of the grinding end head 304 is connected with a second rotating shaft 306, and the bottom end of the second rotating shaft 306 is rotatably connected with the bottom plate 1; the first rotating shaft 702 is in transmission connection with the second rotating shaft 306. Specifically, the bottom end of the first rotating shaft 702 is also rotatably connected with the bottom plate 1; the first transmission wheel 708 is arranged on the lower section of the first rotating shaft 702, the second rotating wheel 308 is correspondingly arranged on the lower section of the second rotating shaft 306, and the first transmission wheel 708 and the second transmission wheel 308 are in transmission connection through a transmission belt 309.
Wherein, a receiving basket 6 is arranged below the charging barrel 3, the bottom surface of the receiving basket 6 is low at the left and high at the right, a discharging pipe 602 is connected to one side of the low side, and a valve is arranged on the discharging pipe 602; the center of the receiving basket 6 is connected with a central cylinder 601, the upper part and the lower part of the central cylinder 601 are provided with openings, and a second rotating shaft 306 penetrates through the central cylinder 601 and is in clearance fit with the central cylinder 601.
The medicinal material granule through smashing grinding falls into and connects material basket 6 like this to receive the direction of bottom surface inclination, most gathering is in the left side, opens the valve and can the blowing.
Example 5
An anti-blocking type medicinal material grinding and crushing machine for pharmaceutical production comprises a bottom plate 1, a shell 2, a charging barrel 3, a pull rope assembly 5 and a reciprocating assembly 4;
the charging barrel 3 is arranged above the bottom plate 1 and is divided into a feeding section 301, a discharging section 302 and a grinding section 303 from top to bottom; a grinding end head 304 is arranged in the grinding section 303; the shell 2 is fixedly connected to the bottom plate 1, an opening is formed in the left side of the shell 2, and the top of the opening is connected with the outer wall of the grinding section 303;
the reciprocating component 4 is arranged at the right side of the charging barrel 3 and comprises a rotating cam 706, a pressing plate 407, an upper Y-shaped rod 405, a lower Y-shaped rod 404 and a rod sleeve 402; the rotating cam 706 is arranged in the shell 2 and is provided with a servo motor 701 as a power source; a pressing plate 407 is fitted above the rotating cam 706; the upper Y-shaped rod 405 and the lower Y-shaped rod 404 are arranged up and down symmetrically, and the forked tail ends are connected into a whole through the rod sleeve 402; the bottom end of the lower Y-shaped rod 404 extends into the shell 2 and is connected with the top of the pressing plate 407; a spring 408 is connected between the top of the pressure plate 407 and the housing 2;
the pull rope assembly 5 comprises a fixed pulley, a pull rope 501 and a fluke 505; the fixed pulley is arranged on the charging barrel 3, one end of a pull rope 501 is connected with the top end of the upper Y-shaped rod 405, and the other end of the pull rope passes around the fixed pulley, extends into the charging barrel 3 and is connected with a fluke 505.
Wherein, the rotating cam 706 is arranged on a third rotating shaft 705 in the left-right direction, a supporting plate 707 is fixedly connected to the shell 2 corresponding to the third rotating shaft 705, and two ends of the third rotating shaft 705 are rotatably connected with the supporting plate 707; the right end of the third rotating shaft 705 penetrates through the supporting plate 707 and is provided with a second bevel gear 704; the servo motor 701 is fixedly installed at the top of the shell 2, the output end of the servo motor 701 extends downwards and is connected with a first rotating shaft 702, a first bevel gear 703 is installed on the first rotating shaft 702 corresponding to a second bevel gear 704, the first bevel gear 703 is vertically meshed with the second bevel gear 704, and the servo motor 701 drives the rotating cam 706 to work through bevel gear transmission.
The fixed pulleys comprise a first fixed pulley 502, a second fixed pulley 503 and a third fixed pulley 504, the right end of the top of the charging barrel 3 is connected with an inverted L-shaped top frame 3011, the first fixed pulley 502 is arranged on the right side of the charging barrel 3, the second fixed pulley 503 is arranged on the left side of the top frame 3011, the third fixed pulley 504 is arranged on the top of the top frame 3011, and the pull rope 501 sequentially bypasses from the right side of the first fixed pulley 502, the left side of the second fixed pulley 503 and the top side of the third fixed pulley 504 and vertically extends downwards into the feeding section 505; the feeding section 505 is a throat structure with a large top and a small bottom.
Wherein, a horizontal rod 401 penetrates through the rod sleeve 402, the left end of the horizontal rod 401 is connected with an end plate 4011, and the right end is connected with a wedge-shaped block 403; the top of the shell 1 is provided with an inclined plane 406 corresponding to the wedge block 403, and the inclined plane 406 is fixedly connected with the shell 1 through a support 4061; a through groove is formed in the right side wall of the charging barrel 3 corresponding to the inlet of the blanking section 302, a horizontal plate 3022 is inserted into the through groove, the right end of the horizontal plate 3022 penetrates through the through groove and is connected with a vertical plate 3023, and the bottom end of the vertical plate 3023 is slidably connected with the shell 1; a second spring 3021 is connected between the vertical plate 3023 and the charging barrel 3;
the crushing section 303 is of a flaring structure with a small upper part and a large lower part, and the grinding end head 304 is of a corresponding frustum structure; grinding protrusions 305 are correspondingly processed on the inner wall of the grinding section 303 and the grinding end head 304; the bottom of the grinding end head 304 is connected with a second rotating shaft 306, and the bottom end of the second rotating shaft 306 is rotatably connected with the bottom plate 1; the first rotating shaft 702 is in transmission connection with the second rotating shaft 306. Specifically, the bottom end of the first rotating shaft 702 is also rotatably connected with the bottom plate 1; the first transmission wheel 708 is arranged on the lower section of the first rotating shaft 702, the second rotating wheel 308 is correspondingly arranged on the lower section of the second rotating shaft 306, and the first transmission wheel 708 and the second transmission wheel 308 are in transmission connection through a transmission belt 309.
Wherein, a receiving basket 6 is arranged below the charging barrel 3, the bottom surface of the receiving basket 6 is low at the left and high at the right, a discharging pipe 602 is connected to one side of the low side, and a valve is arranged on the discharging pipe 602; the center of the receiving basket 6 is connected with a central cylinder 601, the upper part and the lower part of the central cylinder 601 are provided with openings, and a second rotating shaft 306 penetrates through the central cylinder 601 and is in clearance fit with the central cylinder 601.
Wherein, the lower part of the material receiving basket 6 is also provided with a mounting plate 102, and the mounting plate 102 is fixedly connected on the bottom plate 1 through a class of supporting rods 101; the second rotating shaft 306 penetrates through the mounting plate 102; two sections of slide rails 103 are symmetrically arranged on the mounting plate 102 left and right, the bottom of the receiving basket 6 is connected with a corresponding second-class support rod 604, the bottom end of the second-class support rod 604 is connected with a sliding block 605, and the sliding block 605 is connected with the slide rails 103 in a sliding manner, so that the receiving basket 6 is supported and the moving guide is facilitated.
Two racks 603 are symmetrically connected to the front and the back of the receiving basket 6 corresponding to the lower opening of the central barrel 601, tooth surfaces of the racks 603 are arranged oppositely, the second rotating shaft 306 is positioned between the racks 603 and is provided with an incomplete gear 307, and the incomplete gear 307 is alternately matched with the racks 603; incomplete gear 307 is driven by second rotating shaft 306 to alternately act with rack 603 to drive receiving basket 6 to shake left and right, and the clearance distance between second rotating shaft 306 and the inner wall of central cylinder 601 is greater than the moving distance of receiving basket 6, so that central cylinder 601 does not collide with second rotating shaft 306 in the shaking process of receiving basket 6.
The receiving basket 6 rocks in this way, and the bottom surface inclined plane is matched, so that raw material particles are further gathered on the left side, and the residual quantity on the right side is reduced.
The control method of the above-mentioned electric control element is the prior art, and is explained here in order to avoid the description redundancy.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. An anti-blocking type medicinal material grinding and crushing machine for pharmaceutical production is characterized by comprising a bottom plate (1), a shell (2), a charging barrel (3), a pull rope (501) component (5) and a reciprocating component (4);
the charging barrel (3) is arranged above the bottom plate (1) and is divided into a feeding section (301), a discharging section (302) and a grinding section (303) from top to bottom; a grinding end head (304) is arranged in the grinding section (303); the shell (2) is fixedly connected to the bottom plate (1), an opening is formed in the left side of the shell (2), and the top of the opening is connected with the outer wall of the grinding section (303);
the reciprocating assembly (4) is arranged on the right side of the charging barrel (3) and comprises a rotating cam (706), a pressing plate (407), an upper Y-shaped rod (405), a lower Y-shaped rod (404) and a rod sleeve (402); the rotating cam (706) is arranged in the shell (2) and is provided with a servo motor (701) as a power source; a pressure plate (407) is matched above the rotating cam (706); the upper Y-shaped rod (405) and the lower Y-shaped rod (404) are arranged vertically and symmetrically, and the forked tail ends are connected into a whole through the rod sleeve (402); the bottom end of the lower Y-shaped rod (404) extends into the shell (2) and is connected with the top of the pressing plate (407); a spring (408) is arranged between the top of the pressure plate (407) and the shell (2);
the pull rope (501) component (5) comprises a fixed pulley, a pull rope (501) and a fluke (505); the fixed pulley is arranged on the charging barrel (3), one end of the pull rope (501) is connected with the top end of the upper Y-shaped rod (405), and the other end of the pull rope (501) rounds the fixed pulley, extends into the charging barrel (3) and is connected with the fluke (505).
2. The anti-blocking type medicinal material grinding and crushing machine for pharmaceutical production as claimed in claim 1, wherein the fixed pulleys comprise a first fixed pulley (502), a second fixed pulley (503) and a third fixed pulley (504), an inverted L-shaped top frame (3011) is arranged at the right end of the top of the charging barrel (3), the first fixed pulley (502) is arranged at the right side of the charging barrel (3), the second fixed pulley (503) is arranged at the left side of the top frame (3011), the third fixed pulley (504) is arranged at the top of the top frame (3011), and the pull rope (501) sequentially bypasses from the right side of the first fixed pulley (502), the left side of the second fixed pulley (503) and the top side of the third fixed pulley (504) and vertically extends downwards to the feeding section (301); the feeding section (301) is of a necking structure with a large upper part and a small lower part.
3. The anti-clogging type medicine grinding and crushing machine for pharmaceutical production as claimed in claim 2, characterized in that the rod sleeve (402) penetrates through a horizontal rod (401), the left end of the horizontal rod (401) is provided with an end plate (4011), and the right end is provided with a wedge block (403); an inclined plane (406) is arranged at the top of the shell (2) corresponding to the wedge-shaped block (403), and the inclined plane (406) is fixedly connected with the shell (2) through a support (4061); a through groove is formed in the right side wall of the charging barrel (3) corresponding to the inlet of the blanking section (302), a horizontal plate (3022) is inserted into the through groove, the right end of the horizontal plate (3022) penetrates through the through groove and is connected with a vertical plate (3023), and the bottom end of the vertical plate (3023) is slidably connected with the shell (2); a second type spring (3021) is also arranged between the vertical plate (3023) and the charging barrel (3).
4. The anti-clogging type medicinal material grinding and crushing machine for pharmaceutical production as claimed in claim 3, wherein the rotating cam (706) is mounted on a third rotating shaft (705) in the left-right direction, a support plate (707) is fixedly connected to the housing (2) corresponding to the third rotating shaft (705), and both ends of the third rotating shaft (705) are rotatably connected with the support plate (707); the right end of the third rotating shaft (705) penetrates through the supporting plate (707) and is provided with a second bevel gear (704); the servo motor (701) is fixedly installed at the top of the shell (2), the output end of the servo motor (701) extends downwards and is connected with a first rotating shaft (702), a first bevel gear (703) is arranged on the first rotating shaft (702) corresponding to a second bevel gear (704), and the first bevel gear (703) is vertically meshed with the second bevel gear (704).
5. The anti-clogging type medicinal material grinding and crushing machine for pharmaceutical production as claimed in claim 4, wherein the crushing section is of a flaring structure with a small upper part and a big lower part, and the grinding end head (304) is of a corresponding frustum structure; the inner wall of the crushing section and the grinding end head (304) are correspondingly provided with grinding bulges (305); the bottom of the grinding end head (304) is connected with a second rotating shaft (306), and the bottom end of the second rotating shaft (306) is rotatably connected with the bottom plate (1); the first rotating shaft (702) is in transmission connection with the second rotating shaft (306).
6. The anti-clogging type medicine material grinding and crushing machine for pharmaceutical production as claimed in claim 5, wherein the bottom end of the first rotating shaft (702) is also rotatably connected with the bottom plate (1); a first transmission wheel (708) is arranged on the lower section of the first rotating shaft (702), a second rotating wheel is correspondingly arranged on the lower section of the second rotating shaft (306), and the first transmission wheel (708) is in transmission connection with the second transmission wheel (308) through a transmission belt (309).
7. The anti-blocking type medicinal material grinding and crushing machine for pharmaceutical production according to claim 6, wherein a material receiving basket (6) is further arranged below the material barrel (3), a material discharging pipe (602) is further connected to the lower side of the bottom surface of the material receiving basket (6), and a valve is arranged on the material discharging pipe (602); a central cylinder (601) is arranged in the center of the receiving basket (6), openings are formed in the upper portion and the lower portion of the central cylinder (601), and a second rotating shaft (306) penetrates through the central cylinder (601) and is in clearance fit with the central cylinder (601).
8. The anti-blocking type medicinal material grinding and crushing machine for pharmaceutical production according to claim 7, wherein a mounting plate (102) is further arranged below the material receiving basket (6), and the mounting plate (102) is fixedly connected to the bottom plate (1) through a type of supporting rod (101); the second rotating shaft (306) penetrates through the mounting plate (102); two sections of sliding rails (103) are symmetrically arranged on the mounting plate (102) in the left-right direction, the bottom of the material receiving basket (6) is connected with corresponding second-class supporting rods (604), sliding blocks (605) are arranged at the bottom ends of the second-class supporting rods (604), and the sliding blocks (605) are connected with the sliding rails (103) in a sliding mode.
9. The anti-blocking type medicinal material grinding and crushing machine for pharmaceutical production according to claim 8, wherein the material receiving basket (6) is symmetrically provided with two racks (603) in front and back corresponding to the lower opening of the central barrel (601), the tooth surfaces of the racks (603) are arranged oppositely, the second rotating shaft (306) is positioned between the racks (603) and is provided with an incomplete gear (307), and the incomplete gear and the racks (603) are alternatively matched; incomplete gear (307) and rack (603) alternate action, drive and connect basket (6) to rock about reciprocating, and No. two pivot (306) and central section of thick bamboo (601) inner wall clearance distance are greater than and connect basket (6) migration distance, and the in-process that like this connects basket (6) to rock, central section of thick bamboo (601) and No. two pivot (306) do not collide.
10. The anti-clogging type medicine material grinding and crushing machine for pharmaceutical production as claimed in claim 9, wherein the second type springs (3021) are uniformly arranged in groups.
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| CN201911155022.4A CN110813480B (en) | 2019-11-22 | 2019-11-22 | Anti-blocking type medicinal material grinding and crushing machine for pharmaceutical production |
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| CN201911155022.4A CN110813480B (en) | 2019-11-22 | 2019-11-22 | Anti-blocking type medicinal material grinding and crushing machine for pharmaceutical production |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111359711A (en) * | 2020-03-16 | 2020-07-03 | 浙江传超环保科技有限公司 | Garbage crushing equipment with cleaning function |
| CN111822096A (en) * | 2020-07-16 | 2020-10-27 | 邱敏 | Prevent to block up and grind quick-witted material feeding unit that just can even material loading |
| CN112720754A (en) * | 2020-12-21 | 2021-04-30 | 马忠非 | Particle raw material processing apparatus is moulded to leap formula PVC wood |
| CN114870934A (en) * | 2022-04-25 | 2022-08-09 | 朱昌仁 | Rice processing equipment and rice processing method |
| CN115518760A (en) * | 2022-04-07 | 2022-12-27 | 林培培 | Environment-friendly metal crusher |
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| GB819504A (en) * | 1955-11-30 | 1959-09-02 | Equip Ind 12 Laitiers Soc D | An improved method and apparatus for grinding, comminuting, and dispersing materials |
| JPS553853A (en) * | 1978-06-27 | 1980-01-11 | Kawasaki Heavy Ind Ltd | Preparation of fine aggregate by granular slag |
| CN105435926A (en) * | 2015-12-02 | 2016-03-30 | 黄长永 | Three-level centrifugal corn grinder preventing feed from being bridged and grinding method |
| CN107999241A (en) * | 2017-12-04 | 2018-05-08 | 张景云 | A kind of biological feedstuff secondary grinder equipment |
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| GB819504A (en) * | 1955-11-30 | 1959-09-02 | Equip Ind 12 Laitiers Soc D | An improved method and apparatus for grinding, comminuting, and dispersing materials |
| JPS553853A (en) * | 1978-06-27 | 1980-01-11 | Kawasaki Heavy Ind Ltd | Preparation of fine aggregate by granular slag |
| CN105435926A (en) * | 2015-12-02 | 2016-03-30 | 黄长永 | Three-level centrifugal corn grinder preventing feed from being bridged and grinding method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111359711A (en) * | 2020-03-16 | 2020-07-03 | 浙江传超环保科技有限公司 | Garbage crushing equipment with cleaning function |
| CN111359711B (en) * | 2020-03-16 | 2021-10-08 | 邵玉英 | Garbage crushing equipment with cleaning function |
| CN111822096A (en) * | 2020-07-16 | 2020-10-27 | 邱敏 | Prevent to block up and grind quick-witted material feeding unit that just can even material loading |
| CN111822096B (en) * | 2020-07-16 | 2022-01-21 | 广东浓纳食品科技有限公司 | Prevent to block up and grind quick-witted material feeding unit that just can even material loading |
| CN112720754A (en) * | 2020-12-21 | 2021-04-30 | 马忠非 | Particle raw material processing apparatus is moulded to leap formula PVC wood |
| CN112720754B (en) * | 2020-12-21 | 2022-12-30 | 马忠非 | Particle raw material processing apparatus is moulded to leap formula PVC wood |
| CN115518760A (en) * | 2022-04-07 | 2022-12-27 | 林培培 | Environment-friendly metal crusher |
| CN114870934A (en) * | 2022-04-25 | 2022-08-09 | 朱昌仁 | Rice processing equipment and rice processing method |
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| CN110813480B (en) | 2021-07-27 |
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