CN111570015A

CN111570015A - Fine work quality heparin sodium processing is with self-cleaning rubbing crusher

Info

Publication number: CN111570015A
Application number: CN202010334796.XA
Authority: CN
Inventors: 马海杨
Original assignee: Huaian Maidesen Pharmaceutical Co ltd
Current assignee: Huaian Maidesen Pharmaceutical Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-08-25

Abstract

The invention relates to the technical field of medicine material crushing, and discloses a self-cleaning crusher for processing fine heparin sodium, which comprises a feed hopper, a crushing mechanism communicated with the feed hopper, and a total discharge hole communicated with the discharge hole of the crushing mechanism, wherein a screen is detachably fixed on the inner wall of a cavity of the crushing mechanism; the air inlet pipeline penetrates through the cavity and is fixed on the cavity, the exhaust sheet is positioned between the screen and the inner wall of the cavity, a plurality of exhaust holes are uniformly formed in the exhaust sheet, and an air valve is arranged on the air inlet pipeline outside the cavity. Compared with the prior art, the air injection device is additionally arranged on the inner wall of the cavity of the crushing mechanism, the inert gas is injected after the crusher is stopped, and the residual materials on the inner wall of the cavity and the screen are blown down through gas flow, so that the later manual cleaning time is saved, and the problems of fine heparin sodium pollution and medicine material waste caused by knocking the cavity of the crusher can be prevented.

Description

Fine work quality heparin sodium processing is with self-cleaning rubbing crusher

Technical Field

The invention relates to the technical field of medicine material crushing, in particular to a self-cleaning crusher for processing fine heparin sodium.

Background

In the production and processing process of refined heparin sodium, the prepared massive large-size solid raw materials are required to be crushed to the required size by a crusher. This requires the operation of a pulverizer. The existing pulverizer pulverizes materials in modes of hammering, grinding and the like, and in the pulverizing process, the materials have certain viscosity after being heated, the inner wall of a cavity, a screen, a rotary disc and other internal structures are irregular, the ground materials are extremely easy to adhere to the inner wall of the cavity of the screen and the pulverizing mechanism, the materials of high-quality heparin sodium medicines are expensive and cannot be wasted, and the materials adhered to the inner wall of the cavity and the screen are often required to be manually cleaned after the pulverizing is finished, but medicines cannot be manually contacted in the pulverizing process, so that the medicines are easily polluted; the common solution is to knock the outer wall of the crusher through vibration to enable the material to fall into the discharge port in a vibrating manner, but the method is easy to knock other impurities in the inner wall of the crusher down into the material to cause pollution of fine heparin sodium drugs, so that a cleaning device which can conveniently clean residual materials on an inner cavity and a screen and cannot cause pollution is urgently needed.

Disclosure of Invention

The purpose of the invention is as follows: aiming at the problems in the prior art, the invention provides a self-cleaning pulverizer for processing fine heparin sodium.

The technical scheme is as follows: the invention provides a self-cleaning pulverizer for processing fine heparin sodium, which comprises a feeding hopper, a pulverizing mechanism communicated with the feeding hopper and a total discharge hole communicated with the discharge hole of the pulverizing mechanism, wherein a screen is detachably fixed on the inner wall of a cavity of the pulverizing mechanism; the air inlet pipeline penetrates through the cavity and is fixed on the cavity, the exhaust sheet is positioned between the screen and the inner wall of the cavity, a plurality of exhaust holes are uniformly formed in the exhaust sheet, an air valve is arranged on the air inlet pipeline outside the cavity, and inert gas is filled in the air inlet pipeline.

Furthermore, a plurality of exhaust holes are formed in one side, close to the screen, of the exhaust sheet and one side, close to the inner wall of the cavity, of the exhaust sheet.

Further, the exhaust piece is arranged along the circumferential direction of the screen, is of a cylindrical structure, and is opposite to the position where the discharge hole at the bottom of the crushing mechanism is opposite to the position where the discharge hole is arranged.

Furthermore, a plurality of air inlet pipelines are arranged on the cavity of the crushing mechanism, are fixed on the cavity at intervals, penetrate through the cavity and are communicated with the exhaust sheet.

Furthermore, each exhaust hole is also provided with a one-way valve.

Furthermore, the crushing mechanism also comprises a main shaft arranged in the cavity (201) and a cylindrical turntable fixedly connected to the main shaft, wherein a driving mechanism is arranged on the main shaft, the turntable is rotationally connected with a plurality of hammers and a plurality of scrapers at intervals along the circumference of the turntable, and a gap is reserved between each scraper and the screen.

Furthermore, a guide door is arranged on the crushing mechanism, one side of the guide door is hinged to the cavity, and the other side of the guide door opposite to the hinged end is buckled with the cavity through a buckle.

Furthermore, a through hole is formed in the front face of the guide door, a feeding channel is arranged on the through hole, a feeding port of the crushing mechanism is communicated with the feeding channel, and a funnel port of the feeding funnel is communicated with the feeding port through an inclined channel.

Further, a vibration motor is arranged at the bottom end of the inclined channel.

Has the advantages that:

1. according to the invention, the air injection device is additionally arranged on the inner wall of the cavity of the crushing mechanism, the inert gas is injected after the crusher is stopped, and the residual materials on the inner wall of the cavity and the screen are blown off through the gas flow, so that the later manual cleaning and putting-in time is saved, the material pollution caused by knocking the cavity of the crusher can be prevented, and the materials are not wasted.

2. The one-way valve is additionally arranged on the exhaust hole, so that inert gas can only be blown into the cavity, and when the pulverizer works, the one-way valve is closed, so that material powder can be prevented from entering the exhaust hole and further being discharged from the air inlet pipeline, and the material is wasted.

3. The exhaust sheet is arranged to surround the sieve sheet for a circle and is cylindrical, so that the inert gas is more comprehensive when being filled, the inert gas can be blown on the inner wall of the cavity by 360 degrees, and dead angles are avoided. The discharge hole is opposite to the position, and the exhaust sheet is provided with a notch, so that the discharge of the material from the discharge hole is not influenced.

4. The exhaust holes are formed in the exhaust sheet, close to the screen and on the two sides of the inner wall of the cavity, so that gas is blown into the cavity through the upper exhaust hole and the lower exhaust hole simultaneously, and materials on the inner wall of the cavity and materials on the screen can be blown off.

5. The funnel opening of the feeding funnel is communicated with the feeding opening through the inclined channel, and the material at the funnel opening is vibrated to enter the feeding opening along the direction of the inclined channel by using the vibration motor, so that the material is not easy to block.

Drawings

FIG. 1 is a schematic view of the overall shredder of the present invention;

FIG. 2 is a cross-sectional view of the interior of the cavity of the shredder mechanism of the present invention;

figure 3 is a cross-sectional view of the interior of a shredder mechanism housing according to another embodiment of the present invention.

The device comprises a feeding hopper, a crushing mechanism, a cavity, a box body, a screen 203, a main shaft 204, a rotating disc 205, a hammer 206, a scraping blade 207, a feeding port 208, a discharging port 209, a total discharging port 3, a 4-inclined channel, a feeding channel 5, a discharging channel 6, a guide gate 7, a through hole 701, a buckle 702, an air inlet pipeline 8, an air exhaust sheet 9, an air exhaust hole 10, a check valve 11 and an air valve 12.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Embodiment 1:

the invention relates to the technical field of material crushing, and discloses a self-cleaning crusher.

The crusher mainly comprises a feeding funnel 1, a crushing mechanism 2 communicated with the feeding funnel 1 and a total discharge port 3 communicated with a discharge port of the crushing mechanism 2. The inner wall of the cavity 201 of the crushing mechanism 2 is detachably fixed with a screen 203, and the inner wall of the cavity 201 of the crushing mechanism 2 is also provided with an air injection device which comprises an air inlet pipeline 8 and an air exhaust sheet 9 which is hollow inside and communicated with the air inlet pipeline 8. In the present embodiment, the intake duct 8 is provided to penetrate the cavity 201 and fixed to the cavity 201. The exhaust sheet 9 is located between the screen 203 and the inner wall of the cavity 201, and a plurality of exhaust holes 10 are uniformly arranged on the exhaust sheet. The side of the exhaust sheet 9 close to the screen 203 and the side close to the inner wall of the cavity 201 are both provided with a plurality of exhaust holes 10. So that the inert gas can be blown into the chamber 201 at a plurality of angles.

An air valve 12 is arranged on the air inlet pipeline 8 outside the cavity 201, when the pulverizer works, the air valve 12 is in a closed state, and after the pulverizer stops working, the air valve 12 is opened and inert gas is filled.

In this embodiment, the exhaust sheet 9 is disposed along the circumference of the screen 203, and has a semi-cylindrical structure, and is located at the upper end of the inner wall of the cavity, the exhaust sheet 9 covers one half of the screen 203, and the intake duct 8 is located at the top end of the cavity 201, penetrates through the cavity 201, and is fixed on the cavity 201.

The crushing mechanism 2 in this embodiment mainly includes a cavity 201 and a spindle 204 located in the cavity 201, the spindle 204 is located at the center of the cavity 201, and a driving mechanism is fixed on the spindle 204 and can drive the spindle 204 to rotate. The driving mechanism is arranged in the box body 202, and the box body 202 is positioned at one side of the crushing mechanism 2 and is fixed on the working table together with the crushing mechanism 2. A cylindrical turntable 205 is fixed on the outer circumferential wall of the spindle 204, and the turntable 205 rotates along with the rotation of the spindle 204. A plurality of hammers 206 are rotatably connected to the circumference of the turntable 205, and when the driving mechanism drives the main shaft 204 (the turntable 205) to rotate, the hammers 206 rotate in the cavity 201 along with the turntable 205 to hammer the material. The outer circumferential wall of the turntable 205 is further connected with a plurality of scraping plates 207 in a rotating mode at intervals, the length of each scraping plate 207 is slightly larger than that of each hammer, and a gap is reserved between each scraping plate 207 and the corresponding screen 203, so that when the pulverizer works, materials sinking on the screen 203 are scraped by the scraping plates 207, and the materials are hammered by the hammers 206 after being scraped into the inner cavity 201, and the pulverizing efficiency is improved.

In this embodiment, the driving mechanism may be electrically driven, and includes a driving motor, a driving wheel fixed to an output shaft of the driving motor, and a driven wheel driven by the driving wheel through a belt, a central shaft of the driven wheel is fixed to the main shaft 204, and the driving motor is a common motor in the market, and is not a key point to be protected in this patent, and is not described here in a key point.

The front of the crushing mechanism 2 is provided with a guide door 7, and the guide door 7 is vertical to the main shaft 204 when closed. One side of the guide door 7 is hinged to the cavity 201, and the other side of the guide door 7 opposite to the hinged end is buckled with the cavity 201 through a buckle 702.

The front surface of the guide door 7 is provided with a through hole 701 which penetrates through the guide door, a feeding channel 5 is arranged on the through hole, a feeding port 208 of the crushing mechanism 2 is communicated with the feeding channel 5, and a funnel port of the feeding funnel 1 is communicated with the feeding port 208 through an inclined channel 4. A vibration motor is fixed at the bottom end of the inclined channel 4, and materials at the funnel opening are vibrated by the vibration motor, enter the feeding opening 208 through the inclined channel and enter the crushing mechanism 2. The outlet 209 of the comminution mechanism 2 is connected via an outlet channel 6 to the main outlet 3 located in the side wall of the table.

Embodiment 2:

the embodiment is further optimized in embodiment 1, and the specific optimization scheme is as follows: the exhaust sheet 9 is arranged along the circumferential direction of the screen mesh 203, is in a cylindrical structure, wraps the screen mesh 203, is provided with a gap at a position opposite to the discharge port 209 at the bottom of the crushing mechanism 2, and is provided with a plurality of (3 in the embodiment) air inlet pipes 8 on the cavity 201 of the crushing mechanism 2, which are fixed on the cavity 201 at intervals, penetrate through the cavity 201 and are communicated with the exhaust sheet 9. 3 admission line 8 in this embodiment can be located cavity top and left and right sides respectively, all sets up exhaust piece 9 like this between cavity 201 inner wall and

screen cloth

203, and 3 admission line 8 fill inert gas simultaneously, and material cleaning efficiency improves like this, prevents the dead angle. The discharge port 209 is opposite to the position, and the exhaust sheet 9 is provided with a gap, so that the discharge of the material from the discharge port 209 is not influenced.

Other operations in this embodiment are the same as those in embodiment 1, and are not described herein.

Embodiment 3:

this embodiment is a further optimization of embodiment 1 or embodiment 2, and the specific optimization scheme is as follows: each exhaust hole is also provided with a one-way valve 11, inert gas can only be filled into the cavity 201 from the air inlet pipeline 8, when air is not injected, the one-way valve 11 is closed, material powder cannot be discharged through the exhaust holes 10 and then through the air inlet pipeline 8, and material waste is prevented.

Other operations in this embodiment are the same as those in embodiment 1 or embodiment 2, and are not described herein.

The working principle is as follows:

1. the driving mechanism is started to enable the pulverizer to work, materials enter the pulverizing mechanism 2 through the feeding hopper 1, and the materials are hammered through the hammer head 206 to be pulverized.

2. After the pulverizer is stopped, the gas valve 12 is opened and inert gas is sprayed.

3. And finishing self-cleaning of the crusher.

The above embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A self-cleaning pulverizer for processing fine heparin sodium comprises a feeding hopper (1), a pulverizing mechanism (2) communicated with the feeding hopper (1) and a total discharge hole (3) communicated with a discharge hole (209) at the bottom of the pulverizing mechanism (2), wherein a screen (203) is detachably fixed on the inner wall of a cavity (201) of the pulverizing mechanism (2), and the self-cleaning pulverizer is characterized in that an air injection device is further arranged on the inner wall of the cavity (201) of the pulverizing mechanism (2), and comprises an air inlet pipeline (8) and an air exhaust sheet (9) which is communicated with the air inlet pipeline (8) and is hollow inside; the air inlet pipeline (8) penetrates through the cavity (201) and is fixed on the cavity (201), the exhaust sheet (9) is located between the screen mesh (203) and the inner wall of the cavity (201), a plurality of exhaust holes (10) are uniformly formed in the exhaust sheet, an air valve (12) is arranged on the air inlet pipeline (8) on the outer side of the cavity (201), and inert gas is filled in the air inlet pipeline (8).

2. The self-cleaning pulverizer for processing the competitive heparin sodium according to claim 1, wherein a plurality of exhaust holes (10) are arranged on one side of the exhaust sheet (9) close to the screen (203) and one side of the exhaust sheet close to the inner wall of the cavity (201).

3. The self-cleaning pulverizer for processing the competitive heparin sodium according to claim 1, wherein the exhaust sheet (9) is arranged along the circumferential direction of the screen (203), is of a cylindrical structure, and is provided with a gap at a position opposite to a discharge port (209) at the bottom of the pulverizing mechanism (2).

4. The self-cleaning pulverizer for processing the competitive heparin sodium according to claim 3, wherein a plurality of air inlet pipes (8) are arranged on the cavity (201) of the pulverizing mechanism (2), and are fixed on the cavity (201) at intervals, penetrate through the cavity (201), and are communicated with the exhaust sheet (9).

5. The self-cleaning grinder for processing refined heparin sodium according to any one of claims 1 to 4, wherein each exhaust hole (10) is further provided with a one-way valve (11).

6. The self-cleaning pulverizer for processing the competitive heparin sodium according to claim 1, wherein the pulverizing mechanism (2) further comprises a main shaft (204) arranged in the cavity (201) and a cylindrical turntable (205) fixedly connected to the main shaft (204), a driving mechanism is arranged on the main shaft (204), the turntable (205) is rotatably connected with a plurality of hammers (206) and a plurality of scrapers (207) along the circumference at intervals, and a gap is reserved between the scrapers (207) and the screen (203).

7. The self-cleaning pulverizer for processing the competitive heparin sodium according to claim 1, wherein the pulverizing mechanism (2) is provided with a guide door (7), one side of the guide door (7) is hinged to the cavity (201), and the other side of the guide door (7) opposite to the hinged end is buckled with the cavity (201) through a buckle (702).

8. The self-cleaning grinder for processing the competitive heparin sodium according to claim 7, wherein a through hole (701) is formed in the front face of the guide door (7), a feeding channel (5) is arranged on the through hole (701), a feeding port (208) of the grinding mechanism (2) is communicated with the feeding channel (5), and a funnel port of the feeding funnel (1) is communicated with the feeding port (208) through an inclined channel (4).

9. The fine heparin sodium processing self-cleaning grinder as claimed in claim 8, wherein a vibration motor is arranged at the bottom end of the inclined channel (4).