CN211802205U - A multi-stage screening device for Chinese patent medicine processing - Google Patents

Abstract

The utility model relates to the field of traditional Chinese medicine production, in particular to a multistage screening device for Chinese patent medicine processing, which comprises a screening cylinder and a motor, wherein the outer part of the screening cylinder is provided with a shell formed by splicing a first shell and a second shell, the first shell is provided with a discharge hopper, and the inner walls of the first shell and the second shell are both provided with sliding plates; the utility model discloses an adopt circumference fixed connection between the screening axle in motor and the branch screen drum, and set up the second fluted disc in the bottom of screening axle and rather than the first fluted disc of meshing, when driving screening axle pivoted through the motor, through the intermeshing between the pinion rack, can produce the high-frequency vibration of small range, carry out abundant efficient screening to the medicinal material on the screening dish, and flow through the side screen cloth, realize the multistage screening mesh to the medicinal material, the shell is formed by first casing and the concatenation of second casing in addition, be convenient for tear open the clearance side screen cloth, it is convenient to maintain.

Description

A multi-stage screening device for Chinese patent medicine processing

technical field

The utility model relates to the field of traditional Chinese medicine production, in particular to a multi-stage screening device used for processing Chinese patent medicines.

Background technique

In the preparation process of Chinese herbal medicines, it is often necessary to cut the Chinese herbal medicines into flakes and blocks to facilitate the preparation of traditional Chinese medicine liquids. Or continue to process Chinese herbal medicines in flakes and blocks, and grind them into powder. In the process of cutting and processing Chinese herbal medicines, it is necessary to sieve the chopped Chinese herbal medicine granules, sieve the Chinese herbal medicine granules that meet the requirements, and classify them into finished products, or continue to process them into powder, or make into other medicinal products.

The utility model with the application number CN201822167838.6 relates to the field of medicinal material production equipment, and discloses a medicinal material screening device. The medicinal material screening device can realize automatic production, can perform multi-stage screening, and improve production efficiency. The traditional Chinese medicine granules screened out are uniform and consistent in size, and the screening effect is good. However, the scheme uses a screw rod for longitudinal transmission, and the vibration frequency is low, so the screening effect is not good and needs to be improved.

Therefore, those skilled in the art provide a multi-stage sieving device for processing Chinese patent medicines to solve the problems raised in the above background art.

Utility model content

The purpose of the present utility model is to provide a multi-stage screening device for processing Chinese patent medicines, so as to solve the problems raised in the above background technology.

To achieve the above object, the utility model provides the following technical solutions:

A multi-stage screening device for processing Chinese patent medicines, comprising a screening drum and a motor, the outer part of the screening drum is provided with a shell formed by splicing a first shell and a second shell, the first shell is There is a discharge hopper on the body, the inner walls of the first shell and the second shell are provided with sliding plates, and the sliding plates of the inner walls of the first shell and the second shell are spliced to form a sieve surrounded by the screen. The sliding plate is arranged obliquely on the outer wall of the cylinder, the motor is installed on the motor frame above the screening cylinder, and a screening shaft arranged vertically is arranged in the screening cylinder, and at least two A screening disc is slidably connected to the inner wall of the screening drum, the outer wall of the screening drum is provided with a side screen, and the side screen is located above the screening pan, so The side screen is located above the slide plate, a feeding hopper is arranged above the screening drum, a second toothed disc is fixed at the bottom end of the screening shaft, and a second toothed disc is fixed inside the screening drum. The first toothed plate matched with the second toothed plate, the rotating shaft of the motor output end is fixedly connected with the screening shaft in the circumferential direction, the rotating shaft can slide in the axial direction relative to the screening shaft, and the motor is connected to the screen. The external power supply is electrically connected.

As a further solution of the present invention, a chute is provided at the top of the screening shaft, the chute is provided with axially distributed keyways, and the rotating shaft is provided with a shaft key matched with the keyway, so At least a part of the rotating shaft is located inside the chute.

As a further solution of the present invention, the outer side of the side screen, the inside of the outer casing, and the upper part of the sliding plate form a material-spreading space.

As a further solution of the present invention, the sieving disc is conical, and the sieve holes on the sieve disc located above are larger than the sieve holes on the sieve disc located below.

As a further solution of the present invention, the side screens are detachably connected to the outer wall of the screening drum, and the number of the side screens corresponds to the number of the screening discs.

As a further solution of the present invention: the first chainring is fixed with a centrally symmetrically distributed toothed plate, the lower end surface of the second chainring is provided with the toothed plate, and the first chainring is connected to the The second toothed discs are meshed and connected by the toothed plate.

As a further solution of the present invention: the height of the tooth plate is 1-2 cm.

Compared with the prior art, the beneficial effects of the present utility model are:

The motor of the utility model and the sieving shaft in the sieving drum adopt a fixed circumferential connection, and the bottom of the sieving shaft is provided with a second toothed disc and a first toothed disc meshing with it, and the motor drives the sieving shaft to rotate At the same time, through the meshing between the tooth plates, a small-amplitude high-frequency vibration can be generated, and the medicinal materials on the sieving plate can be screened sufficiently and efficiently, and flow out through the side screen to realize the multi-stage sieving of the medicinal materials. In addition, the outer shell is formed by splicing the first shell and the second shell, which is convenient for disassembling and cleaning the side screen, and convenient for maintenance.

Description of drawings

Fig. 1 is a kind of structural representation of the multistage screening device used for the processing of Chinese patent medicine;

Fig. 2 is a kind of structural representation inside the multi-stage screening device for processing Chinese patent medicine;

Fig. 3 is the structural representation at A place in Fig. 2;

FIG. 4 is a schematic structural diagram of a first toothed disc in a multi-stage screening device for processing Chinese patent medicines.

In the figure: 1. Shell; 101. Spreading space; 11. First shell; 12. Second shell; 13. Outlet hopper; 14. Slide plate; 1st gear plate; 211, gear plate; 22, motor frame; 23, feed hopper; 3, motor; 301, shaft; 302, shaft key; 31, screening shaft; 311, chute; 312, keyway; 32 , sieving disc; 33, the second toothed disc.

Detailed ways

Please refer to FIGS. 1 to 4. In the embodiment of the present invention, a multi-stage screening device for processing Chinese patent medicines includes a screening drum 2 and a motor 3. The outer portion of the screening drum 2 is provided with a first casing. 11 and the second shell 12 are spliced together to form the shell 1, which is mainly to facilitate the separation of the first shell 11 and the second shell 12 to expose the screening drum 2 for easy maintenance. The first shell 11 is provided with a discharge hopper 13. The inner walls of the first shell 11 and the second shell 12 are provided with sliding plates 14, and the sliding plates 14 of the inner walls of the first shell 11 and the second shell 12 are spliced together to form a sliding plate which is surrounded by the outer wall of the screening drum 2 and arranged obliquely. , During the screening process, the sliding plate 14 is a whole smooth plate, the material slides from the sliding plate 14 to the discharge hopper 13 and is discharged, and the motor 3 is installed on the motor frame 22 above the screening drum 2. There is a sieving shaft 31 arranged vertically. At least two sieving discs 32 are fixed on the outer wall of the sieving shaft 31. The sieving discs 32 are provided with openings. The dividing plate 32 is conical in shape, and the sieve holes on the upper sieving plate 32 are larger than those on the lower sieving plate 32. This design can make the material move to the edge during the vibration process, and the more The finer the downward material, the sieving disc 32 is slidably connected to the inner wall of the sieving drum 2, and the outer wall of the sieving drum 2 is provided with a side screen 201, the side screen 201 is located above the sieving pan 32, and the side screen 201 is detachably connected to the outer wall of the screening drum 2, and the side screen 201 can be fixed on the outer wall of the screening drum 2 by means of bolts. The material on the dividing plate 32 is discharged as soon as possible, the side screen 201 is located above the sliding plate 14, the feeding hopper 23 is arranged above the screening drum 2, the bottom end of the screening shaft 31 is fixed with a second toothed plate 33, and the screening drum The inside of 2 is fixed with the first toothed plate 21 that cooperates with the second toothed plate 33, the rotating shaft 301 at the output end of the motor 3 is fixedly connected with the screening shaft 31 in the circumferential direction, and the rotating shaft 301 can slide relative to the screening shaft 31 in the axial direction, The motor 3 is electrically connected to the external power supply. When the screening shaft 31 rotates, the second toothed plate 33 meshes with the first toothed plate 21 . The plates 211 mesh to generate up and down vibrations. At the same time, the screening shaft 31 floats up and down on the outer wall of the rotating shaft 301, but the circumferential transmission is still maintained, so that the screening shaft 31 keeps rotating.

In FIG. 3 : the top of the screening shaft 31 is provided with a chute 311, the chute 311 is provided with axially distributed key grooves 312, the shaft 301 is provided with a shaft key 302 that matches the key groove 312, and at least a part of the rotary shaft 301 is located in The inside of the sliding groove 311 is fixed in the circumferential direction through the cooperation of the key groove 312 and the shaft key 302 .

In FIG. 2: the outside of the side screen 201, the inside of the casing 1, and the top of the slide plate 14 form a material-spraying space 101, and the material thrown from the side screen 201 falls into the material-spraying space 101 and follows the slide plate 14. Sliding down to hopper 13.

In FIG. 4 , the height of the toothed plate 211 is 1-2 cm, that is, the height of the toothed plate 211 can control the amplitude of the up and down vibration of the screening plate 32 .

The working principle of the present invention is as follows: the motor 3 is electrically connected with the external power source, when the screening shaft 31 rotates, the second toothed plate 33 meshes with the first toothed plate 21, and the toothed plate 211 on the first toothed plate 21 is connected to the second toothed plate 21. The toothed plate 211 on the lower end face of the toothed plate 33 meshes to generate up and down vibrations. At the same time, the screening shaft 31 floats up and down on the outer wall of the rotating shaft 301, but the circumferential transmission is still maintained, so that the screening shaft 31 keeps rotating, The screening plate 32 is provided with openings, and different numbers can be set according to the required screening level. The screening plate 32 is conical, and the screen holes on the screening plate 32 located above are larger than those on the screening plate 32 located below. Screen hole, this design can make the material move to the edge during the vibration process, and the material that goes down is finer, and the material is fed from the feeding hopper 23. During the screening process, the screening plate 32 performs a Screening, the material thrown from the side screen 201 falls into the material spreading space 101, and slides down the slide plate 14 to the discharge hopper 13 for discharge. After the screening is completed, the first shell 11 and the second shell can be separated. The body 12 is separated to expose the screening drum 2 for easy maintenance.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. The technical solution of the utility model and its utility model concept are equivalently replaced or changed, and should be covered within the protection scope of the present utility model.

Claims (7)

1. A multi-stage screening device for processing Chinese patent medicines, comprising a screening drum (2) and a motor (3), characterized in that the outer portion of the screening drum (2) is provided with a first casing. (11) A shell (1) formed by splicing a second shell (12), the first shell (11) is provided with a discharge hopper (13), the first shell (11) and the second shell (11) The inner walls of the body (12) are provided with sliding plates (14), and the sliding plates (14) on the inner walls of the first shell (11) and the second shell (12) are spliced together to form a sieve (14) surrounded by the screening drum ( 2) A sliding plate with an inclined outer wall, the motor (3) is installed on the motor frame (22) above the screening drum (2), and a vertically arranged screen is arranged in the screening drum (2). A dividing shaft (31), at least two screening discs (32) are fixed on the outer wall of the screening shaft (31), and the screening discs (32) are slidably connected to the inner wall of the screening drum (2), A side screen (201) is provided around the outer wall of the screening drum (2), the side screen (201) is located above the screening plate (32), and the side screen (201) is located at the A feeding hopper (23) is arranged above the sliding plate (14) and above the screening drum (2), and a second toothed disc (33) is fixed at the bottom end of the screening shaft (31). A first toothed disc (21) matched with the second toothed disc (33) is fixed inside the screening drum (2), and the rotating shaft (301) at the output end of the motor (3) is connected to the screening shaft (31). ) is fixedly connected in the circumferential direction, the rotating shaft (301) can slide in the axial direction relative to the screening shaft (31), and the motor (3) is electrically connected with an external power source. 2. A multi-stage screening device for processing Chinese patent medicines according to claim 1, characterized in that a chute (311) is provided at the top of the screening shaft (31), and the chute (31). 311) is provided with axially distributed key grooves (312), the rotating shaft (301) is provided with a shaft key (302) matched with the key groove (312), and at least a part of the rotating shaft (301) is located in the Inside the chute (311). 3. A multi-stage screening device for processing Chinese patent medicines according to claim 1, characterized in that, the outer side of the side screen (201), the inside of the casing (1), the sliding plate A sprinkling space (101) is formed above (14). 4. The multi-stage sieving device for processing Chinese patent medicines according to claim 1, wherein the sieving disc (32) is conical, and the sieving disc (32) located above The upper screen openings are larger than the screen openings on the lower screening disc (32). 5. A multi-stage screening device for processing Chinese patent medicines according to claim 1, characterized in that the side screen (201) is detachably connected to the outer wall of the screening drum (2), The number of the side screens (201) corresponds to the number of the screening discs (32). 6 . The multi-stage screening device for processing Chinese patent medicines according to claim 1 , wherein the first tooth plate ( 21 ) is fixed with tooth plates ( 211 ) that are symmetrically distributed in the center, 6 . The toothed plate (211) is provided on the lower end surface of the second toothed plate (33), and the toothed plate (211) passes between the first toothed plate (21) and the second toothed plate (33). ) engaged connection. 7 . The multi-stage screening device for processing Chinese patent medicines according to claim 6 , wherein the height of the tooth plate ( 211 ) is 1-2 cm. 8 .

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