CN112473913A - Multi-stage crushing and screening device and method for laboratory plant leaves or stems - Google Patents
Multi-stage crushing and screening device and method for laboratory plant leaves or stems Download PDFInfo
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- CN112473913A CN112473913A CN202011379667.9A CN202011379667A CN112473913A CN 112473913 A CN112473913 A CN 112473913A CN 202011379667 A CN202011379667 A CN 202011379667A CN 112473913 A CN112473913 A CN 112473913A
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- crushing
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- multistage
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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
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
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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
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
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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
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
Abstract
The invention discloses a multistage crushing and screening device and a multistage crushing and screening method for plant leaves or stalks in a laboratory, wherein the device comprises a crushing cavity (1), a screening cavity (5), a vibrator (10), a fixed support (11) and a base (13), the top of the crushing cavity (1) is provided with a top cover (14), the downstream of the crushing cavity is provided with an openable or closable feeding port (4), and a crushing blade (3) is arranged in the crushing cavity (1); a partition plate (6) is arranged between the crushing cavity (1) and the screening cavity (5); a screen (7) is arranged in the screening cavity (5), and a chassis (9) is arranged between the screening cavity (5) and the vibrator (10). The multi-stage crushing and screening machine can be used for multi-stage crushing and screening of dry plant leaves or stems, can finish crushing and screening of fragments with different sizes at one time, and has the advantages of high efficiency, low cost, small volume and good application prospect.
Description
Technical Field
The invention belongs to the technical field of plant leaf or stem pretreatment devices, and particularly relates to a multistage crushing and screening device and method for dry plant leaves or stems in a laboratory.
Background
The crushing and screening of plant leaves or stems are ubiquitous in the fields of traditional Chinese medicine preparation, spice extraction, plant research and the like, and are indispensable pretreatment steps for medicament preparation, component extraction, component analysis and other works.
At present, a laboratory has various devices for crushing plant leaves or stems to be selected, technicians can select the devices according to the property and the crushing degree of a sample to be treated, but the actual crushing effect of the sample can only be judged in advance by depending on the experience of the technicians; for the screening of the fragments, technicians basically carry out manual screening through a screen, the time and labor are consumed, the working efficiency is low, dust is easily generated, and the environmental pollution is caused; if the same raw material needs fragments with multiple sizes, repeated crushing and screening are needed for many times, and the workload is huge. For the crushing and screening of plant raw materials, a laboratory device which completes two tasks in series and realizes the simultaneous separation of fragments with multiple sizes does not exist.
Therefore, develop the isolated plant that plant leaf or stem stalk multistage crushing divides the sieve, accomplish the crushing of plant raw materials and the branch sieve of not unidimensional piece simultaneously, have very important realistic meaning to reducing technical staff work load, improving work efficiency, promoting the accurate rate of analysis research work.
The present invention has been made to solve the above problems.
Disclosure of Invention
The invention aims to provide a device capable of quickly and continuously realizing the smashing and multi-size simultaneous screening of plant leaves or stems aiming at the defects of the traditional smashing and screening equipment of the plant leaves or stems. The invention serially connects the crushing and multi-size screening of the plant leaves or the stems together to finish the crushing and multi-size screening at one time, and has important practical value for reducing the workload of technicians and improving the working efficiency.
The purpose of the invention is realized by the following technical scheme.
The invention provides a laboratory plant leaf or stem multistage crushing and screening device in a first aspect, which comprises:
the crushing cavity 1 is connected to the fixed bracket 11 through a fixed arm 12, and the fixed bracket 11 is fixed on the base 13; the top of the crushing cavity 1 is provided with a top cover 14 which can be closed or separated from the crushing cavity 1, the downstream of the top cover 14 is provided with a feed inlet 4 which can be opened or closed, and the crushing cavity 1 is internally provided with a crushing blade 3;
a screening cavity 5 which is positioned at the downstream of the crushing cavity 1, a separation plate 6 is arranged between the crushing cavity 1 and the screening cavity 5, and the separation plate 6 is pushed and pulled to communicate or separate the crushing cavity 1 and the screening cavity 5; the division plate 6 separates the crushing process and the screening process, and not only can realize crushing and screening in one step by cooperative work, but also can ensure that the crushing process and the screening process do not influence each other during working. A screen 7 is arranged in the screening cavity 5;
the vibrator 10 is positioned at the downstream of the screening cavity 5, and the vibrator 10 is fixed on the base 13; a chassis 9 is arranged between the sieving cavity 5 and the vibrator 10 and can be completely drawn out from the lower part of the sieving cavity 5.
The laboratory plant leaf or stem multistage crushing and screening device provided by the invention has the crushing process and the screening process, the crushing and screening processes of the plant leaf or stem are connected in series, the working efficiency of technicians is improved, furthermore, the feeding port 4 which can be opened or closed is arranged at the downstream of the top cover 14 of the crushing cavity 1, the continuous feeding operation can be realized through the feeding port 4, and the working efficiency is further improved.
Preferably, still have motor 2 inside crushing cavity 1, motor 2 one end with top cap 14 is connected, the other end with crushing blade 3 is connected, can set up through top cap 14 and adjust crushing blade 3 rotational speed and rotation duration.
Preferably, a plurality of the screens 7 are arranged in the screening cavity 5, the screens 7 can be completely drawn out of the screening cavity 5, the sizes of the plurality of screens 7 are different, and the mesh number of the screens 7 increases from upstream to downstream.
Wherein, the screen cloth 7 simultaneous working of a plurality of not unidimensional can realize that the many sizes of plant piece divide the sieve to go on simultaneously, once accomplishes, can show reduction operating personnel work load. In addition, the screen cloth 7 with different specifications can be independently drawn out of the screening cavity 5, samples after screening can be further removed in batches according to the required mesh number of the product, the problems that technicians manually screen the screen cloth in the prior art and repeatedly smash and screen the screen for multiple times are solved, time and labor are saved, and the working efficiency is high.
Preferably, the screen 7 is preferably selected from the specifications of 20 mesh, 40 mesh or 60 mesh, but is not limited to these specifications, and the mesh number of the screen 7 is determined according to the requirements of the desired product.
Preferably, the crushing cavity 1 is made of metal.
Preferably, the partition plate 6 is made of metal, and the chassis 9 is made of plastic.
Preferably, the screening chamber 5 is defined by an elastic wall 8, and the elastic wall 8 is made of plastic and has elasticity.
The invention provides a method for multistage crushing and screening of plant leaves or stems in a laboratory, which uses the multistage crushing and screening device for plant leaves or stems in the laboratory provided by the first aspect of the invention, and specifically comprises the following steps:
A. the top cover 14 is opened, a proper amount of plant drying leaves are put in, and during continuous operation, feeding can be carried out through the feeding port 4; starting the crushing blade 3 to start crushing;
B. after the crushing is finished, the partition plate 6 is drawn out, so that the materials fall into the first layer of screen cloth 7 of the screening cavity 5 and are pushed back to the partition plate 6; starting the vibrator 10, screening, and if continuous operation is required, feeding and crushing through the feeding port 4;
C. after the screen cloth 7 on different layers collects a proper amount of materials, the vibrator 10 is closed, the screen cloth is drawn out and the screened materials are removed, the screen cloth is put back, the vibrator 10 is started, the screening is continued, and at the stage, the screen cloth can be drawn out simultaneously or independently;
D. after crushing and screening are finished, the power supply is turned off, the chassis 9 is drawn out, ash on the chassis is cleaned, the top cover 14, the partition plate 6 and the screen 7 are moved out for independent cleaning, and the crushing cavity 1 and the screening cavity 5 are cleaned.
Preferably, smash the inside motor 2 that still has of cavity 1, motor 2 one end with top cap 14 is connected, the other end with smash blade 3 and connect, can set up through top cap 14 and adjust and smash the blade 3 rotational speed and rotate long, during operation, set for required rotational speed and rotate long through top cap 14, start motor (2) drive smash blade 3 and begin to smash.
Compared with the prior art, the invention has the following beneficial effects:
1. the laboratory plant leaf or stem multistage crushing and screening device provided by the invention has the crushing process and the screening process, the crushing and screening processes of the plant leaf or stem are connected in series, the working efficiency of technicians is improved, furthermore, the feeding port 4 which can be opened or closed is arranged at the downstream of the top cover 14 of the crushing cavity 1, the continuous feeding operation can be realized through the feeding port 4, and the working efficiency is further improved.
2. According to the multi-stage crushing and screening device for the leaves or the stalks of the plants in the laboratory, a plurality of screens 7 are arranged in the screening cavity 5, the screens 7 can be completely drawn out of the screening cavity 5, the sizes of the screens 7 are different, and the meshes of the screens 7 are sequentially increased from the upstream to the downstream. The screen meshes 7 with different sizes work simultaneously, so that the multi-size screening of the plant fragments can be simultaneously carried out, the screening can be completed at one time, and the workload of operators can be obviously reduced. In addition, the screen cloth 7 with different specifications can be independently drawn out of the screening cavity 5, samples after screening can be further removed in batches according to the required mesh number of the product, the problems that technicians manually screen the screen cloth in the prior art and repeatedly smash and screen the screen for multiple times are solved, time and labor are saved, and the working efficiency is high.
3. According to the multi-stage crushing and screening device for the plant leaves or the stems in the laboratory, the separation plate 6 is arranged between the crushing cavity 1 and the screening cavity 5, and the separation plate 6 is pushed and pulled to enable the crushing cavity 1 to be communicated with or separated from the screening cavity 5; the division plate 6 separates the crushing process and the screening process, and not only can realize crushing and screening in one step by cooperative work, but also can ensure that the crushing process and the screening process do not influence each other during working.
4. The multistage crushing and screening device for the plant leaves or the stems in the laboratory is relatively closed, and can effectively reduce the environmental pollution caused by dust generated by crushing.
Drawings
FIG. 1 is a perspective view of a multi-stage crushing and screening device for leaves or stalks of laboratory plants according to the present invention.
1-crushing cavity, 2-motor, 3-crushing blade, 4-charging hole, 5-screening cavity, 6-partition board, 7-screen, 8-elastic wall, 9-chassis, 10-vibrator, 11-fixing support, 12-fixing arm, 13-base and 14-top cover.
Detailed Description
The invention will be further described with reference to the following figures and examples, which are only intended to provide a better understanding of the invention. It should not be understood that the scope of the present invention is limited thereto, and all other embodiments obtained by those skilled in the art without making innovative experiments are within the scope of the present invention.
Examples
FIG. 1 is a perspective view of a multi-stage crushing and screening device for leaves or stalks of laboratory plants according to the present invention. The multistage crushing and screening device for the leaves or the stems of the plant in the laboratory comprises a crushing cavity 1, a screening cavity 5, a vibrator 10, a fixed support 11 and a base 13, wherein the crushing cavity 1 is connected to the fixed support 11 through a fixed arm 12 and is downwards connected with the screening cavity 5 through an elastic wall 8, the screening cavity 5 is connected to the vibrator 10, and the vibrator 10 is fixed on the base 13. The crushing cavity 1 is made of metal materials; the motor 2 and the crushing blade 3 are fixedly connected with the top cover 14, and the top cover 14 can control and adjust the rotating speed and the rotating time of the crushing blade 3 and can be closed and detached with the crushing cavity 1; the feed inlet 4 can be closed and separated from the crushing cavity 1; the partition plate 6 is made of metal and can be pushed and pulled so as to communicate or separate the crushing cavity 1 and the screening cavity 5; the screen 7 can be completely drawn out from the screening cavity 5, the sizes of the screen include but are not limited to different specifications such as 20 meshes, 40 meshes and 60 meshes, and the mesh number of the screen is sequentially increased from top to bottom; the elastic wall 8 is made of plastic and has certain elasticity; the base plate 9 is made of plastic and can be completely drawn out of the screening cavity 5; the vibrator 10 is fixed on a base 13, and the vibration frequency of the vibrator is adjustable; the fixed bracket 11 is connected to the base 13 and fixes the crushing cavity 1 through the fixed arm 12.
The use example of the multistage crushing and screening device for the leaves or the stalks of the laboratory plants is as follows: opening the top cover 14, and adding 150g of dried dendrobium leaves; setting the rotating speed to 3000r/min and the time to 1min through the top cover 14, and starting a motor to start crushing; after the crushing is finished, the partition plate 6 is drawn out, so that the materials fall into the first layer of 20-mesh screen of the screening cavity 5 and are pushed back to the partition plate 6; starting the vibrator 10, screening, and simultaneously feeding again through the feeding port 4 and crushing; the specifications of the second and third layers of screens are 40 meshes and 80 meshes respectively, after each screen collects a proper amount of dendrobium leaf fragments, the vibrator 10 is closed, the screens of 40 meshes and 80 meshes are drawn out to remove the sieved dendrobium leaf fragments, the dendrobium leaf fragments on the screens of 20 meshes can be poured back into the crushing cavity 1 through the feed inlet 4 to be crushed again, the vibrator 10 is started, and the screening is continued; after crushing and screening are finished, turning off a power supply, and collecting and sorting 20-40 mesh and 40-80 mesh dendrobium leaf fragments; and (3) extracting the base plate 9, cleaning ash on the base plate, cleaning the top cover 14, the partition plate 6 and the screen 7 independently, and cleaning the crushing cavity 1 and the screening cavity 5.
While the present invention has been described in detail with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, and various changes can be made without departing from the spirit and scope of the present invention.
Claims (9)
1. The utility model provides a laboratory plant leaf or stem stalk multi-stage crushing divides sieve device which characterized in that, the device includes:
the crushing cavity (1) is connected to the fixed support (11) through a fixed arm (12), and the fixed support (11) is fixed on the base (13); the top of the crushing cavity (1) is provided with a top cover (14) which can be closed or separated from the crushing cavity (1), the downstream of the top cover (14) is provided with a feed inlet (4) which can be opened or closed, and the crushing cavity (1) is internally provided with a crushing blade (3);
the screening cavity (5) is positioned at the downstream of the crushing cavity (1), a separation plate (6) is arranged between the crushing cavity (1) and the screening cavity (5), and the separation plate (6) is pushed and pulled to enable the crushing cavity (1) and the screening cavity (5) to be communicated or separated; a screen (7) is arranged in the screening cavity (5);
the vibrator (10) is positioned at the downstream of the screening cavity (5), and the vibrator (10) is fixed on the base (13); and a chassis (9) is arranged between the sieving cavity (5) and the vibrator (10) and can be completely drawn out from the lower part of the sieving cavity (5).
2. The laboratory plant leaf or stem multistage crushing and screening device according to claim 1, characterized in that a motor (2) is further arranged inside the crushing cavity (1), one end of the motor (2) is connected with the top cover (14), the other end of the motor is connected with the crushing blade (3), and the rotating speed and the rotating time length of the crushing blade (3) can be adjusted through the top cover (14).
3. The laboratory plant leaf or stem multistage crushing and screening device according to claim 1, wherein a plurality of the screens (7) are arranged in the screening cavity (5), the screens (7) can be completely extracted from the screening cavity (5), the sizes of the plurality of screens (7) are different, and the mesh number of the screens (7) is increased from upstream to downstream.
4. The laboratory plant leaf or stem multistage comminution screening device of claim 1, characterized in that the screen mesh (7) is selected from a size of 20 mesh, 40 mesh or 60 mesh.
5. The laboratory plant leaf or stem multistage crushing and screening device according to claim 1, wherein the crushing cavity (1) is made of metal.
6. The laboratory plant leaf or stem multistage crushing and screening device according to claim 1, wherein the partition plate (6) is made of metal, and the base plate (9) is made of plastic.
7. The laboratory plant leaf or stem multistage crushing and screening device according to claim 1, wherein the screening cavity (5) is defined by an elastic wall (8), and the elastic wall (8) is made of plastic and has elasticity.
8. A laboratory plant leaf or stem multistage crushing and screening method is characterized in that the laboratory plant leaf or stem multistage crushing and screening device of claim 1 is used, and the method specifically comprises the following steps:
A. the top cover (14) is opened, a proper amount of plant drying leaves are put in, and during continuous operation, feeding can be carried out through the feeding port (4); starting the crushing blade (3) to start crushing;
B. after the crushing is finished, the partition plate (6) is drawn out, so that the materials fall into the first layer of screen (7) of the screening cavity (5), and the partition plate (6) is pushed back; starting the vibrator (10) to carry out screening, and if continuous operation is required, feeding and crushing through the feeding port (4) at the moment;
C. after the screens (7) on different layers collect a proper amount of materials, closing the vibrators (10), drawing out the screens to remove the screened materials, putting back the screens, starting the vibrators (10), and continuing screening, wherein the screens can be simultaneously drawn out or separately drawn out at the stage;
D. after crushing and screening are finished, the power supply is turned off, the chassis (9) is taken out, ash on the chassis is cleaned, the top cover (14), the partition plate (6) and the screen (7) are moved out for independent cleaning, and the crushing cavity (1) and the screening cavity (5) are cleaned.
9. The laboratory method for multistage crushing and screening of plant leaves or stalks according to claim 8, wherein a motor (2) is further arranged inside the crushing cavity (1), one end of the motor (2) is connected with the top cover (14), the other end of the motor (2) is connected with the crushing blades (3), the rotating speed and the rotating time length of the crushing blades (3) can be set and adjusted through the top cover (14), in operation, the required rotating speed and the rotating time length are set through the top cover (14), and the motor (2) is started to drive the crushing blades (3) to start crushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011379667.9A CN112473913A (en) | 2020-11-30 | 2020-11-30 | Multi-stage crushing and screening device and method for laboratory plant leaves or stems |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011379667.9A CN112473913A (en) | 2020-11-30 | 2020-11-30 | Multi-stage crushing and screening device and method for laboratory plant leaves or stems |
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| CN112473913A true CN112473913A (en) | 2021-03-12 |
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| CN202011379667.9A Pending CN112473913A (en) | 2020-11-30 | 2020-11-30 | Multi-stage crushing and screening device and method for laboratory plant leaves or stems |
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| CN111686892A (en) * | 2020-05-09 | 2020-09-22 | 宁夏稼宝生物科技有限公司 | A raw materials crushing apparatus for bio-organic fertilizer |
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201042675Y (en) * | 2007-01-10 | 2008-04-02 | 汪大伟 | Form-separating flour milling machine group |
| CN204974437U (en) * | 2015-07-09 | 2016-01-20 | 广州大台农饲料有限公司 | Quick classifying screen |
| CN106423446A (en) * | 2016-11-24 | 2017-02-22 | 刘可 | Integrated material crushing and screening device with all-directional vibration functions |
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