CN111589528A

CN111589528A - Self-cleaning pulverizer convenient to clean

Info

Publication number: CN111589528A
Application number: CN202010335512.9A
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: 2020-08-28

Abstract

The invention relates to the technical field of material crushing, and discloses a self-cleaning crusher convenient to clean, which comprises a feeding hopper, a crushing mechanism and a total discharge hole, wherein a screen is detachably fixed on the inner wall of a cavity of the crushing mechanism; when the crushing mechanism stops and the air injection device is started, the communication pipe is fastened in the branch pipe through the fastening device. Compared with the prior art, the pulverizer disclosed by the invention can utilize the air injection device to inject the inert gas after being stopped, and the air injection device can be conveniently cleaned, so that cross contamination caused by mixing of medicine materials is prevented.

Description

Self-cleaning pulverizer convenient to clean

Technical Field

The invention relates to the technical field of material crushing, in particular to a self-cleaning crusher convenient to clean.

Background

In the production of pharmaceuticals, it is necessary to crush prepared massive large-sized solid raw materials to a desired 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 are heated and have certain viscosity, the inner wall of a cavity, a screen, a rotary table 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 medicines are expensive and cannot be wasted, the materials adhered to the inner wall of the cavity and the screen are often cleaned manually after the pulverizing is finished, but part of medicines cannot be manually contacted in the pulverizing process, and the medicines are easily polluted; the common solution is to knock the outer wall of the crusher through vibration to make the material fall into the discharge port, but the method is easy to knock other impurities in the inner wall of the crusher into the material to cause drug pollution, so that a cleaning device which can conveniently clean residual materials on an inner cavity and a screen and can not cause pollution is urgently needed, and meanwhile, the cleaning device can be detached for cleaning.

Disclosure of Invention

The purpose of the invention is as follows: aiming at the problems in the prior art, the invention provides the self-cleaning pulverizer convenient to clean, the pulverizer can utilize the air injection device to inject inert gas after being stopped, and the air injection device can also be convenient to clean, so that the cross contamination caused by mixing of medicine materials is prevented.

The technical scheme is as follows: the invention provides a self-cleaning pulverizer convenient to clean, which comprises a feeding hopper, a pulverizing mechanism communicated with the feeding hopper, and a total discharge hole communicated with a discharge hole at the bottom of the pulverizing mechanism, wherein a screen is detachably fixed on the inner wall of a cavity of the pulverizing mechanism; when the crushing mechanism stops and the air injection device is started, the communication pipe is fastened in the branch pipe through the fastening device.

Further, fastener is the clamp, the clamp includes two semicircular clamp bodies, and its relative setting is circular between the two clamp bodies, the one end of two clamp bodies is rotated and is connected, and the other end passes through the bolt grafting.

Further, the end cover is a cylindrical sleeve with one closed end, and the end cover is fastened to the free end of the branch pipe through a clamping hoop.

Further, when the communicating pipe is inserted into the branch pipe, the communicating pipe is positioned between the inner wall of the cavity and the screen and a gap is reserved between the communicating pipe and the screen.

Furthermore, a sealing ring is further sleeved on the communicating pipe, and when the communicating pipe is inserted into the branch pipe, the sealing ring is tightly pressed on the port of the free end of the branch pipe.

Furthermore, a main shaft and a cylindrical rotary table fixedly connected to the main shaft are arranged in the crushing mechanism cavity, a driving mechanism is arranged on the main shaft, the rotary table is connected with a plurality of hammer heads and a plurality of scraping plates in a rotating mode along the circumferential edge of the rotary table at intervals, and gaps are reserved between the scraping plates and the screen.

Has the advantages that:

1. according to the invention, the plurality of communicated branch pipes are arranged on the inner wall of the cavity, the air injection devices are inserted into the branch pipes, the air injection devices are detachable, the end covers on the branch pipes are opened when the pulverizer stops, the air injection devices are inserted, and the air injection devices are taken out for cleaning when the inner wall of the cavity of the pulverizer is cleaned up, so that the cross contamination of medicine materials can be prevented.

2. The air injection device has simple structure and easy cleaning, and the sealing ring is fixed on the air inlet pipe of the air injection device to prevent gas leakage in the air injection process and cannot play a role in cleaning the inner wall of the cavity of the pulverizer.

3. The end cover of the through hole and the air injection device are fixed through the clamp, so that materials in the cavity cannot leak out of the through hole to cause waste in the working process of the pulverizer, and the clamp is used for fixing in the gas filling process to prevent gas leakage.

Drawings

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

FIG. 2 is a schematic view of a crushing chamber of the crusher in crushing operation according to the present invention;

FIG. 3 is a schematic view of the crushing chamber of the crusher of the present invention when the crusher is shut down;

FIG. 4 is an enlarged view of A of FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of B of FIG. 3 according to the present invention;

fig. 6 is a schematic view of a band of the present invention.

The material crushing device comprises a feeding hopper, a crushing mechanism, a cavity, a box 202, a screen 203, a main shaft 204, a rotary table 205, a hammer 206, a scraper 207, a scraping blade 208, a feeding port 209, a discharging port 3, a total discharging port 4, an inclined channel 5, a feeding channel 6, a discharging channel 7, a guide gate 701, a through hole 702, a buckle 702, an air inlet pipeline 8, a communicating pipe 9, a closed end 901, an exhaust hole 902, a sealing ring 903, a branch pipe 10, an end cover 1001, an end cover 11, an upper clamp body 1101, a lower clamp body 1102 and a bolt 1103.

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, mainly aims to solve the problem of how to clean residual materials on the inner wall of a cavity after a crusher is stopped, and simultaneously ensures that no material cross contamination occurs.

The invention discloses a self-cleaning pulverizer convenient to clean, which mainly comprises a feed hopper 1, a pulverizing mechanism 2 communicated with the feed hopper 1 and a total discharge port 3 communicated with a discharge port of the pulverizing mechanism 2. The inner wall of the cavity 201 of the crushing mechanism 2 is detachably fixed with a screen 203, the inner wall of the cavity 201 of the crushing mechanism 2 is also provided with an air injection device, the air injection device is a communication pipe 9 (in the embodiment, 3 communication pipes 9 are arranged for specific description) with one end closed and the other end communicated with an air inlet pipeline 8, and the end part of the closed end 901 of the communication pipe 9 is provided with a plurality of exhaust holes 902. An air valve (not shown in the figure) is arranged on the air inlet pipeline 8, when the crushing mechanism 2 works, the air valve is in a closed state, and when the crushing mechanism 2 stops, the air valve is opened and inert gas can be filled in.

The cavity 201 of the crushing mechanism 2 is provided with a plurality of branch pipes 10 extending outwards and communicated with the cavity 201 (for the purpose of specific description, 3 branch pipes 10 are provided and located at the top and left and right sides of the cavity 201 respectively), the inner diameter of each branch pipe 10 is equal to the outer diameter of the communicating pipe 9, and the free end of each branch pipe 10 is provided with an end cover 1001. In this embodiment, the end cap 1001 is provided as a cylindrical sleeve, one end of which is closed and which is fitted over the free end of the branch pipe 10. A plurality of branch pipes 10 can be evenly distributed on the cavity 201 of the crushing mechanism 2 at intervals, so that the communicating pipe 9 can be evenly sprayed when being inserted into the branch pipes 10 to spray gas, inert gas can be blown into the cavity 201 at multiple angles, and dead angles of the inner wall of the cavity 201 are prevented.

Still be equipped with fastener on branch pipe 10, when rubbing crusher constructs 2 during operation, end cover 1001 passes through fastener fastening on branch pipe 10, and fastener can use the clamp 11 structure in this embodiment, and clamp 11 includes two semicircular clamp bodies, and it is last clamp body 1101 and lower clamp body 1102 respectively, and two clamp bodies set up relatively, is circular between the two clamp bodies, and the one end of two clamp bodies is rotated and is connected, and the other end passes through bolt 12 and pegs graft, refers to fig. 6.

When the crushing mechanism 2 needs to clean the residual materials on the cavity 201 and the screen 203 after being shut down, the air injection device needs to be started, the closed end 901 of the communicating pipe 9 is inserted into the branch pipe 10, and the communicating pipe is fastened in the branch pipe 10 through the fastening device (the clamp 11). When the communication pipe 9 is inserted, the communication pipe 9 is located between the inner wall of the cavity 201 and the screen 203 and a gap is left between the communication pipe and the screen 203.

In order to ensure that gas does not leak from the contact position of the branch pipe 10 and the communicating pipe 9 when the gas is inflated, the communicating pipe 9 is further sleeved with a sealing ring 903, when the communicating pipe 9 is inserted into the branch pipe 10, the sealing ring 903 is pressed on the free end port of the branch pipe, the sealing ring 903 is made of rubber, the sealing effect is achieved, when the communicating pipe 9 is inflated, the gas cannot leak from the gap between the communicating pipe 9 and the branch pipe 10, and the cleaning efficiency is improved.

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, the through hole 701 is provided with a feeding channel 5, 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.

The working principle is as follows:

1. when the mill is in operation, the end cap 1001 is placed over the free end of the manifold 10 and secured by the clamp 11.

2. After the grinder is shut down, the clamp 11 is opened to take out the end cover 1001, the closed end 901 of the communicating pipe 9 with the vent hole 902 is inserted into the branch pipe 10, the sealing ring 903 is pressed at the free end of the branch pipe 10, the air valve on the air inlet pipeline 8 is opened, inert gas is sprayed in through the air inlet pipeline 8, the gas enters the space between the inner wall of the cavity 201 and the screen 203 through the vent hole 902 on the communicating pipe 9, the residual materials are blown down, and the grinder is discharged out through the discharge hole 209 and the discharge passage 6.

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 convenient to clean 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), the self-cleaning pulverizer is characterized by further comprising an air injection device, the air injection device is a plurality of communicating pipes (9) with one ends closed and the other ends communicated with an air inlet pipeline (8), a plurality of exhaust holes (902) are formed in the end part of a closed end (901) of each communicating pipe (9), a plurality of branch pipes (10) communicated with the cavity (201) are formed in a mode that the cavity (201) of the pulverizing mechanism (2) extends outwards, the inner diameters of the branch pipes (10) are equal to the outer diameters of the communicating pipes (9), and end covers (1001) are arranged at the free ends of the, the branch pipe (10) is also provided with a fastening device, and when the crushing mechanism (2) works, the end cover (1001) is fastened at the free end of the branch pipe through the fastening device; when the crushing mechanism (2) is stopped and the air injection device is started, the communicating pipe (9) is fastened in the branch pipe (10) through a fastening device.

2. A self-cleaning crusher as claimed in claim 1, characterized in that the fastening means is a clamp (11), and the clamp (11) comprises two semicircular clamp bodies which are arranged opposite to each other and are circular, one end of each clamp body being rotatably connected and the other end being connected by means of a bolt (12).

3. A self-cleaning shredder according to claim 2, characterised in that the end cap (1001) is a cylindrical sleeve closed at one end, the end cap (1001) being fastened to the free end of the branch pipe by means of a clip (11).

4. A self-cleaning shredder according to claim 1, characterised in that when the communicating pipe (9) is inserted into the branch pipe (10), the communicating pipe (9) is located between the inner wall of the chamber (201) and the screen mesh (203) with a gap left between it and the screen mesh (203).

5. A self-cleaning crusher according to any one of claims 1 to 4, characterized in that the communicating pipe (9) is further sleeved with a sealing ring (903), and when the communicating pipe (9) is inserted into the branch pipe (10), the sealing ring (903) is pressed against the port of the free end of the branch pipe.

6. The self-cleaning pulverizer as claimed in claim 1, wherein a main shaft (204) and a cylindrical turntable (205) fixedly connected to the main shaft (204) are arranged in the cavity (201) of the pulverizing mechanism (2), 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) at intervals along the circumference, and a gap is reserved between the scrapers (207) and the screen (203).