CN210847081U

CN210847081U - Camptothecin raw material sieving device

Info

Publication number: CN210847081U
Application number: CN201921868309.7U
Authority: CN
Inventors: 蒲忠成
Original assignee: Chengdu Xinguang Biotechnology Co ltd
Current assignee: Chengdu Xinguang Biotechnology Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-26
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a camptothecin raw materials uses screening ware, include: the screening box is provided with a feeding pipe at the top, and a rotary screen drum with first screening holes distributed on the surface is arranged in the screening box; a driving shaft at the other end of the rotary screen drum penetrates through the side wall of the screening box and is connected with an output shaft of a motor; a material port provided with a first electromagnetic valve is formed in the screening box, and the caliber of the material port is larger than that of a pipe orifice at the bottom of the feeding pipe; a transparent observation window is arranged at the upper part of the screening box; an arched fine sieve plate is arranged in the sieving box below the rotary sieve drum; the side walls of the screening boxes on the two sides of the fine screening plate are provided with a first discharging hole; a pair of pressure springs is arranged on the fine sieve plate, and a dispersion plate is fixed at the top ends of the pressure springs; and a discharge port II is formed at the bottom of the screening box. The utility model provides a camptothecin raw materials is with screening ware sieves effectual and long service life.

Description

Camptothecin raw material sieving device

Technical Field

The utility model relates to a camptothecin production technical field especially relates to a camptothecin raw materials is with screening ware.

Background

Camptothecin production and preparation are generally that camptothecin raw materials are crushed and ground into coarse powder, then the coarse powder is filled into a percolation device for percolation extraction, before the raw materials are filled into a cylinder, the coarse powder needs to be classified and screened, and raw material powder particles with proper particle size are selected according to needs to be filled into the cylinder for percolation, so that an excellent percolation effect is achieved.

In prior art, the screening easily causes piling up on ordinary screening board, and the sieve mesh of screening board is blockked up easily, reduces screening efficiency, causes that screening efficiency is not high, the effect is not good.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.

In order to solve the deficiency of the prior art, the utility model provides a camptothecin raw materials uses sieve separator, include:

the screening box is provided with a feeding pipe at the top, and a rotary screen drum with first screening holes distributed on the surface is arranged in the screening box; a driving shaft at the other end of the rotary screen drum penetrates through the side wall of the screening box and is connected with an output shaft of a motor; a material port provided with a first electromagnetic valve is formed in the rotary screen cylinder, and the caliber of the material port is larger than that of a pipe orifice at the bottom of the feeding pipe; a transparent observation window is arranged at the upper part of the screening box;

an arched fine sieve plate is arranged in the sieving box below the rotary sieve drum, and a plurality of second sieving holes are formed in the surface of the fine sieve plate; the side walls of the screening boxes on the two sides of the fine screening plate are provided with a first discharging hole, and a second electromagnetic valve is installed at the first discharging hole; a pair of pressure springs is arranged on the fine sieve plate, and a dispersion plate is fixed at the top ends of the pressure springs; and a discharge port II is formed at the bottom of the screening box.

Furthermore, the first electromagnetic valve, the second electromagnetic valve and the motor are respectively electrically connected with the controller.

Furthermore, a pair of supporting legs is arranged at the bottom of the screening box, and rollers are arranged at the bottoms of the supporting legs.

Further, the inlet pipe runs through to be located in the through-hole of screening case, the through-hole inner wall is equipped with the internal thread, the inlet pipe outer wall be equipped with through-hole internal thread fit's external screw thread.

Furthermore, a holding rod is arranged at the top end of the feeding pipe.

Further, the dispersion plate adopts an arch structure.

The utility model discloses at least, include following beneficial effect: camptothecin raw materials are separated from camptothecin powder raw materials with larger particles, medium particles and smaller particles through a rotary screen cylinder and a fine screen plate by a screening device, so that the purpose of good screening effect is achieved; the rotary screen cylinder is matched with the driven shaft through the driving shaft to realize rotation, camptothecin powdery raw materials in the rotary screen cylinder continuously roll, the blockage caused by the accumulation of the raw materials is avoided, the screening efficiency is improved, the raw materials continuously change through the first screening holes along with the rotation of the rotary screen cylinder, the screening speed is high, the screening is thorough, the rotary screen cylinder can run quietly, and the noise is low; the fine sieve plate further sieves the camptothecin raw material sieved by the first sieving hole, fine powder raw material falls off through the second sieving hole, and the raw material with medium particle size particles is blocked on the fine sieve plate to complete separation and sieving; the setting of dispersion board is convenient for disperse raw and other materials, raw and other materials are at the whereabouts in-process, partly direct drop sieves on fine sieve plate, partly fall on the dispersion board and are blockked the dispersion back and fall down again by the dispersion board, make raw and other materials segmentation interval drop, be convenient for filter, avoid raw and other materials whole to drop and pile up influence screening speed on fine sieve plate, pressure spring's setting makes the dispersion board receive raw and other materials striking after-drive dispersion board and rock everywhere, make the raw and other materials powder that is blocked by the dispersion board drop on fine sieve plate with evenly dispersing, do benefit to screening work, screening efficiency is high.

Drawings

Fig. 1 is a schematic structural view of the camptothecin raw material screening device of the present invention.

Figure 2 is the cross-sectional structure schematic diagram of the sieving device of the utility model.

Reference numerals: 1-screening box, 11-device ring, 12-transparent observation window, 13-discharge port I, 131-electromagnetic valve II, 14-discharge port II, 2-feeding pipe, 21-holding rod, 3-rotary screen cylinder, 31-first screening hole, 32-driven rotating shaft, 33-driving shaft, 34-discharge port, 341-electromagnetic valve I, 4-motor, 5-fine screen plate, 51-second screening hole, 6-pressure spring, 7-dispersion plate, 8-supporting leg and 9-roller.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

Fig. 1-2 show the utility model discloses a camptothecin raw materials is with sieve separator, include:

the screening box 1 is provided with a feeding pipe 2 at the top, and a rotary screen drum 3 with first screening holes 31 distributed on the surface is arranged in the screening box 1; a driving shaft 33 at the other end of the rotary screen drum 3 penetrates through the side wall of the screening box 1 and is connected with an output shaft of the motor 4; a material port 34 provided with a first electromagnetic valve 341 is formed in the rotary screen drum 3, and the caliber of the material port 34 is larger than that of a pipe orifice at the bottom of the feeding pipe 2; a transparent observation window 12 is arranged at the upper part of the screening box 1;

an arched fine sieve plate 5 is arranged in the sieving box 1 below the rotary sieve drum 3, and a plurality of second sieving holes 51 are formed in the surface of the fine sieve plate 5; the side walls of the screening boxes 1 at two sides of the fine screening plate 5 are provided with a first discharging hole 13, and a second electromagnetic valve 131 is arranged at the first discharging hole 13; a pair of pressure springs 6 are arranged on the fine sieve plate 5, and a dispersion plate 7 is fixed at the top ends of the pressure springs 6; and a second discharging hole 14 is formed at the bottom of the screening box 1.

In the technical scheme, the transparent observation window 12 is arranged to facilitate an operator to observe the condition in the screening box 1, the motor 4 is controlled to drive the driving shaft 33 to rotate so as to drive the rotary screen cylinder 3 to rotate, the material port 34 of the rotary screen cylinder 3 is positioned below the pipe orifice of the feeding pipe 2, the first electromagnetic valve 341 is opened, the crushed camptothecin raw material powder enters the rotary screen cylinder 3 through the feeding pipe 2 and the material port 34, the first electromagnetic valve 341 is closed, the motor 4 is started again, the camptothecin powder raw material in the rotary screen cylinder 3 continuously rolls along with the rotation of the rotary screen cylinder 3, the blockage caused by the accumulation of the raw material is avoided, the first screening holes 31 through which the raw material passes continuously change along with the rotation of the rotary screen cylinder 3, and the screening speed is high; raw materials with larger particles are left in the rotary screen cylinder 3, the raw materials which pass through the first screening holes 31 of the rotary screen cylinder 3 drop downwards, one part of the raw materials directly drop on the fine screen plate 5 for screening in the falling process, and the other part of the raw materials drop on the dispersion plate 7 and are blocked and dispersed by the dispersion plate 7, so that the raw materials drop on the fine screen plate 5 at intervals in a segmenting way, the screening is convenient, meanwhile, the arrangement of the pressure spring 6 enables the dispersion plate 7 to be driven to shake around after being impacted by the raw materials, and the raw material powder blocked by the dispersion plate 7 drops on the fine screen plate 5 in an evenly dispersed way, thereby being beneficial to the screening work; the fine powder raw materials drop through the second screening hole 51 of fine sieve board 5 and are discharged through the second discharge hole 14 finally and collected, after the separation is completed, the second electromagnetic valve 131 is opened, the raw materials of the medium-particle-size particles on the fine sieve board 5 are discharged through the first discharge hole 13, after the raw materials of the medium-particle-size particles are discharged, the motor 4 is stopped to work, the control discharge hole 34 is located below, the first electromagnetic valve 341 is opened, and the raw materials with larger particles fall on the fine sieve board 5 after being discharged through the first discharge hole 13 and then are discharged through the first discharge hole 13. Wherein the fine sieve plate 5 is arranged in an arch shape to facilitate the discharge of the raw materials from the discharge port I13.

In another example, the first solenoid valve 341, the second solenoid valve 131, and the motor 4 are respectively electrically connected to the controller. By adopting the scheme, the opening and closing of the first electromagnetic valve 341, the second electromagnetic valve 131 and the motor 4 can be conveniently controlled by an operator, so that the working condition of the sieving device can be controlled.

In another example, the bottom of the screening box 1 is provided with a pair of legs 8, and the bottom of the legs 8 is provided with rollers 9. With this arrangement, the entire movement of the sifter is facilitated.

In another example, inlet pipe 2 runs through to be located in the through-hole of screening case 1, the through-hole inner wall is equipped with the internal thread, inlet pipe 2 outer wall be equipped with through-hole internal thread fit's external screw thread. Adopt this kind of scheme, inlet pipe 2 realizes the rotation regulation through the internal thread of external screw thread and through-hole, through rotatory inlet pipe 2 to make inlet pipe 2 reciprocate, when needs feeding, in the rotation regulation inlet pipe 2 moves down feed inlet 34, the feeding work of being convenient for, make the whole entering rotary screen section of thick bamboo 3 of raw materials in.

In another example, the top end of the feeding tube 2 is provided with a holding rod 21. With this solution, it is convenient for the operator to rotate the feed pipe 2.

In another example, the dispersion plate 7 has an arch structure. By adopting the scheme, the raw materials can fall conveniently, and the raw materials are prevented from staying on the surface of the dispersion plate 7.

While the embodiments of the invention have been described above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application of the invention, and further modifications can be easily made by those skilled in the art without departing from the general concept defined by the claims and their equivalents, and it is therefore not limited to the specific details and illustrations shown and described herein, and it is obvious that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. A camptothecin raw material sieving device is characterized by comprising:

the screening box (1) is provided with a feeding pipe (2) at the top, and a rotary screen drum (3) with first screening holes (31) distributed on the surface is arranged in the screening box (1); a device ring (11) which is arranged on the side wall of the screening box (1) in a rotatable mode from a rotating shaft (32) at one end of the rotary screen drum (3), and a driving shaft (33) at the other end of the rotary screen drum (3) penetrates through the side wall of the screening box (1) to be connected with an output shaft of the motor (4); a material port (34) provided with a first electromagnetic valve (341) is formed in the rotary screen drum (3), and the caliber of the material port (34) is larger than that of a pipe orifice at the bottom of the feeding pipe (2); a transparent observation window (12) is arranged at the upper part of the screening box (1);

an arched fine sieve plate (5) is arranged in the sieving box (1) below the rotary sieve drum (3), and a plurality of second sieving holes (51) are formed in the surface of the fine sieve plate (5); the side walls of the screening boxes (1) at the two sides of the fine screening plate (5) are provided with a first discharging hole (13), and a second electromagnetic valve (131) is installed at the first discharging hole (13); a pair of pressure springs (6) is arranged on the fine sieve plate (5), and a dispersion plate (7) is fixed at the top ends of the pressure springs (6); and a discharge port II (14) is formed at the bottom of the screening box (1).

2. The camptothecin raw material screening device of claim 1, wherein the first electromagnetic valve (341), the second electromagnetic valve (131) and the motor (4) are respectively electrically connected with the controller.

3. The camptothecin raw material screening device of claim 1, wherein a pair of legs (8) is arranged at the bottom of the screening box (1), and rollers (9) are arranged at the bottoms of the legs (8).

4. The camptothecin raw material screening device as claimed in claim 1, wherein the feeding pipe (2) penetrates through a through hole of the screening box (1), the inner wall of the through hole is provided with an internal thread, and the outer wall of the feeding pipe (2) is provided with an external thread matched with the internal thread of the through hole.

5. The camptothecin raw material screening device as claimed in claim 4, wherein the top end of the feeding pipe (2) is provided with a holding rod (21).

6. The camptothecin raw material screening device as claimed in claim 1, wherein the dispersion plate (7) has an arch structure.