CN116251642A

CN116251642A - Vacuum fine powder crushing equipment

Info

Publication number: CN116251642A
Application number: CN202210276090.1A
Authority: CN
Inventors: 刘杨
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2023-06-13

Abstract

The invention discloses vacuum fine powder crushing equipment, which mainly comprises two parts, wherein one part is a crushing main machine, the other part is screening, the crushing main machine is designed up and down, three sets of crushing blades, a single-shaft bidirectional blade, a clamping sleeve type cooling shell and a discharging pore plate are arranged at the lower part, the pore plate is in soft material sealing connection with the crushing main machine, high-frequency vibrators are uniformly distributed around the pore plate, and the discharging ports of the crushing main machine are connected with the screening part through the soft material. The invention solves the technical difficulties, has reasonable structure, can turn over industry modes, improves environment, solves environmental protection and production problems, solves the problems of temperature rise, blanking, residue, productivity and structural design, utilizes the existing domestic mature technology, does not need study of materialization and separation of micropowder under vacuum, and reliably realizes the technical innovation of intelligent high productivity of integration of feeding, crushing, rapid separation, cleaning and drying of a vacuum crusher.

Description

Vacuum fine powder crushing equipment

Technical Field

The invention relates to the technical field of fine powder crushing, in particular to vacuum fine powder crushing equipment.

Background

The traditional Chinese medicine fine powder is prepared from traditional Chinese medicine decoction pieces as raw materials, and is prepared into powder with more than 100 meshes through the process links of cleaning, processing, superfine grinding, sterilizing, packaging and the like. The production and quality control of the fine powder product series refer to the relevant requirements under the standard item of the fine powder of a valve "fine powder" in the edition 2010 of Chinese pharmacopoeia.

The fine powder has smaller particle size, and the air flow is combined in the crushing process, so that the fine powder is driven to flow by the air flow, but the problem that the air flow conveying mode cannot be solved exists: because of the requirement of continuous production, more traditional Chinese medicine fine powder can be remained in the air flow conveying pipeline, the interior can not be cleaned due to the fact that the pipeline is higher and longer, bacteria can be bred in the pipeline for a long time, and the safety of products in subsequent production is influenced.

In addition, when the cyclone separation is adopted in the follow-up process, the discharged air also causes pollution to the environment, the discharged fine powder after the cyclone separation can be discharged after the treatment, the collection is inconvenient, the filter bags are mostly adopted for the collection, and the difficulty of collecting and cleaning the filter bags is high.

In order to solve the above problems, air should be removed during the pulverization of the fine powder, and this should be done under vacuum, so as to avoid mixing of the fine powder with air, and no separation is required in the following.

Most researches on vacuum crushers in the market at present belong to the envisaged stage, and a real product cannot be formed to enter the application field, and the research shows that the patent application number is as follows: 201910381707.4A vacuum pulverizer can be used for pulverizing fine powder in vacuum, but when the pulverizer is used for processing fine powder, the fine powder is screened in a vacuum environment, and the screen holes are blocked only by gravity and self movement, so that the phenomenon that the fine powder cannot be fed is caused, even if the fine powder is stirred by adopting a physical structure, the feeding efficiency is low, and the fine powder cannot be used, and the temperature in a cavity can be quickly increased due to blocking to ignite materials. Meanwhile, the specification requirement of fine powder cannot be met by single grinding, and the effect of grinding under vacuum cannot be truly achieved.

Therefore, the invention provides the fine powder pulverizer capable of intelligent continuous production.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides vacuum fine powder crushing equipment.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the utility model provides a vacuum fine powder crushing apparatus, includes crushing case and spiral elevating system, the bottom fixedly connected with collecting hopper of crushing case, crushing case is cylindrical structure, and upper surface center department fixedly connected with driving motor, driving motor's output shaft extends to the inside fixedly connected with crushing main shaft of crushing case, crushing main shaft's surface is provided with crushing blade and lift blade, though crushing blade includes the blade of smashing in advance from top to bottom, strong crushing blade and the blade of smashing in proper order, the bottom inner wall of crushing case passes through rubber ring flexonics to have the orifice plate, the lower surface of lift blade is laminated with the upper surface of orifice plate, a plurality of sieve meshes have been seted up on the orifice plate, the upper surface of crushing case is provided with the feeder hopper, the bottom of feeder hopper is provided with the unloading pipe through planetary discharger, ultrasonic vibrator and high-frequency vibrator are installed to the bottom of collecting hopper, ultrasonic vibrator and high-frequency vibrator drive the orifice plate and vibrate about the time of oscillating about, spiral elevating system includes the hoist frame, the upper surface fixedly connected with center tube of hoist frame, the surface of center tube is provided with spiral lifting groove, and the bottom of hoist assembly is provided with spiral lifting assembly and spiral vibration to the spiral vibration material passageway, and the spiral vibration passageway is located the top of spiral vibration material passageway that shakes.

Preferably, a cooling sleeve is arranged outside the crushing box, a cooling water cavity is formed between the cooling sleeve and the crushing box, and a cooling circulating water pipe is connected to the outside of the cooling sleeve.

Preferably, the number of the lifting blades and the number of the crushing blades are three, and the circumferential equidistant setting is on the surface of the crushing main shaft, and the lifting blades scoop up the materials on the pore plate when rotating so as to throw the materials to the fine crushing blades.

Preferably, the bottom of spiral lifting groove is provided with the collecting groove that the spiral rises rather than the track unanimity spiral, collecting groove and spiral lifting groove integration are connected, are equipped with the filter screen on the bottom plate of spiral lifting groove, and spiral lifting groove passes through the inside intercommunication of filter screen and collecting groove, and a plurality of unloading holes have been seted up to the inner wall of center tube, and unloading hole and collecting groove's inside intercommunication.

Preferably, a plurality of stoppers are arranged in the collecting groove, and the stoppers block the fine powder from entering the blanking hole.

Preferably, a sealing bearing is arranged at the center of the hole plate, and the bottom end of the crushing main shaft is fixedly connected with the inner ring of the sealing bearing.

Preferably, the outside of smashing the case is provided with evacuating equipment, utilizes evacuating equipment to make smashing the incasement portion and keeps the vacuum state, and the whole outside of spiral lifting mechanism sets up the container parcel to make its inside form the vacuum state, the bottom discharge end of center tube installs vacuum continuous discharge valve, and vacuum continuous discharge valve is installed to the end of return channel.

Preferably, the return channel is a sealed pipe body and is in an inclined design, one end of the return channel is in sealing connection with the container, and the bottom end of the return channel is in sealing communication with the inside of the crushing box.

The invention has the following beneficial effects:

1. this vacuum fine powder crushing apparatus through the inside evacuation to crushing case and spiral elevating system, makes the crushing of fine powder be in under the vacuum environment, utilizes the rubber ring to make the orifice plate at the inner wall installation of crushing case, through setting up ultrasonic oscillator and high frequency oscillator, makes the fine powder beat about the material when passing through the sieve mesh, improves the discharge volume, and the ejection of compact is smooth and easy simultaneously to do not need the air current to drive the material and flow, avoid using the air current, follow-up material does not need the separation, stopped the phenomenon of the inside residual fine powder of pipeline, have great market prospect, reduction in production cost.

2. This vacuum fine powder crushing apparatus through set up by last to the lower pre-crushing paddle, strong crushing paddle and the smart crushing paddle of smashing on smashing the main shaft, can the furthest smash the material, in addition set up the lift blade with smashing the bottom of paddle, lift blade rotation can lift the material that can not sieve on the orifice plate, get into to smash again on the smart crushing paddle to improve crushing efficiency, the whole ejection of compact of this vacuum fine powder crushing apparatus is through the center tube ejection of compact, and the material can be discharged after reaching the fine powder specification through orifice plate and filter screen, has guaranteed crushing fineness.

3. This vacuum fine powder crushing apparatus, through setting up spiral hoist mechanism, on the one hand with the material from bottom to top, on the other hand can filter qualified material through the filter screen, block from the unloading hole through the dog and enter into the inside of center tube to finally carry out the unloading from the bottom of center tube, vibration subassembly is installed to spiral hoist mechanism's bottom, vibration subassembly drives spiral hoist mechanism vibrations, and the vibrations material promotes the material, and the secondary of the unqualified material of being convenient for gets into crushing incasement and smashes, and the in-process that vibrations promoted also has the function of high-efficient screening powder material in addition.

4. According to the vacuum fine powder crushing equipment, the cooling jacket is arranged outside the crushing box, so that circulating cooling water is injected to cool the crushing box, and the equipment shell and the indoor temperature are guaranteed not to be dewed.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a vacuum fine powder pulverizing apparatus;

FIG. 2 is a schematic perspective view of a vacuum fine powder pulverizing apparatus;

FIG. 3 is a schematic view of a three-dimensional front sectional structure of a vacuum fine powder pulverizing apparatus;

FIG. 4 is a schematic diagram showing the front sectional structure of the vacuum fine powder pulverizing apparatus;

FIG. 5 is a schematic illustration of the elevation of the screw lift mechanism in a front cross-section;

FIG. 6 is an enlarged schematic view of the structure at A in FIG. 5;

FIG. 7 is a schematic perspective view of a pulverizing box;

FIG. 8 is a schematic view of a front sectional structure of the pulverizing box;

FIG. 9 is a schematic view of the structure of the crushing box in a perspective view;

FIG. 10 is a schematic view of the structure of the internal perspective view of the crushing box;

FIG. 11 is a schematic view in front cross-sectional perspective of a pulverizing box;

FIG. 12 is a schematic view of a spiral lifting groove in a top-down configuration;

fig. 13 is a view showing a state where the return passage is connected with the pulverizing box in a sealed state.

In the figure: 1 crushing box, 2 collecting hopper, 3 driving motor, 4 crushing main shaft, 5 lifting blade, 6 pre-crushing blade, 7 strong crushing blade, 8 fine crushing blade, 9 rubber ring, 10 orifice plate, 11 sieve mesh, 12 feed hopper, 13 blanking pipe, 14 ultrasonic oscillator, 15 high frequency oscillator, 16 lifting seat, 17 center pipe, 18 spiral lifting groove, 19 vibration assembly, 20 return channel, 21 cooling sleeve, 22 cooling circulating water pipe, 23 collecting groove, 24 filter screen, 25 blanking hole, 26 dog, 27 vacuum pumping equipment, 28 container, 29 vacuum continuous discharge valve, 30 planetary discharger, 31 soft connecting layer.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Referring to fig. 1-13, a vacuum fine powder crushing device comprises a crushing box 1 and a spiral lifting mechanism, wherein the bottom end of the crushing box 1 is fixedly connected with a collecting hopper 2, the crushing box 1 is of a cylindrical structure, the center of the upper surface is fixedly connected with a driving motor 3, an output shaft of the driving motor 3 extends to a crushing main shaft 4 fixedly connected with the inside of the crushing box 1, the surface of the crushing main shaft 4 is provided with a crushing blade and a lifting blade 5, although the crushing blade sequentially comprises a pre-crushing blade 6, a strong crushing blade 7 and a fine crushing blade 8 from top to bottom, the inner wall of the bottom end of the crushing box 1 is flexibly connected with a pore plate 10 through a rubber ring 9, the lower surface of the lifting blade 5 is attached to the upper surface of the pore plate 10, a plurality of sieve holes 11 are formed in the pore plate 10, the lifting blade 5 and the crushing blades are all three in number, the circumferential equidistance is arranged on the surface of the crushing main shaft 4, when the lifting blade 5 rotates, the material on the pore plate 10 is lifted up to throw the material to the fine crushing blade 8, a sealing bearing is arranged at the center of the position of the pore plate 10, and the bottom end of the crushing main shaft 4 is fixedly connected with the inner ring of the sealing bearing.

The material can be smashed through the high-speed rotation of the pre-smashing blade 6, the strong smashing blade 7 and the fine smashing blade 8, the material which cannot be screened on the pore plate 10 can be lifted up through the rotation of the lifting blade 5, and the material enters the fine smashing blade 8 to be smashed again, so that the smashing efficiency is improved.

The outside of the box body of the crushing box 1 is provided with a cooling sleeve 21, a cooling water cavity is formed between the cooling sleeve 21 and the crushing box 1, a cooling circulating water pipe 22 is connected to the outside of the cooling sleeve 21, the cooling sleeve 21 is arranged at the outside of the crushing box 1, so that circulating cooling water is injected to cool the crushing box 1, the equipment shell and the indoor temperature are ensured not to be condensed, and meanwhile, heat generated by crushing blades is transmitted to the crushing box 1 in the crushing process of materials, and the cooling of the crushing blades is indirect.

The upper surface of smashing case 1 is provided with feeder hopper 12, and the bottom of collecting hopper 2 is provided with unloading pipe 13, and ultrasonic oscillator 14 and high frequency oscillator 15 are installed to the bottom of orifice plate 10, and ultrasonic oscillator 14 and high frequency oscillator 15 drive orifice plate 10 and oscillate about the same time of oscillating from top to bottom, make orifice plate 10 at the inner wall installation of smashing case 1 with rubber ring 9, through setting up ultrasonic oscillator 14 and high frequency oscillator 15, make the fine powder beat about, about when passing through sieve mesh 11, improve the discharge volume, the discharge is smooth and easy simultaneously.

The spiral lifting mechanism comprises a lifting base 16, the upper surface of the lifting base 16 is fixedly connected with a central tube 17, the surface of the central tube 17 is provided with a spiral lifting groove 18, the bottom of the lifting base 16 is provided with a vibration component 19, the blanking tube 13 feeds the bottom end of the spiral lifting groove 18, the vibration component 19 drives the spiral lifting groove 18 to vibrate and lift the material to the top, the top of the spiral lifting groove 18 is connected with a return material channel 20, and the return material channel 20 is located right above the feeding hopper 12.

The bottom of spiral lifting groove 18 is provided with the collecting groove 23 that rises with its orbit unanimity spiral, collecting groove 23 and spiral lifting groove 18 integration are connected, be equipped with filter screen 24 on the bottom plate of spiral lifting groove 18, and spiral lifting groove 18 passes through filter screen 24 and collecting groove 23's inside intercommunication, a plurality of unloading holes 25 have been seted up to the inner wall of center tube 17, unloading hole 25 and collecting groove 23's inside intercommunication, collecting groove 23's inside is provided with a plurality of dogs 26, dog 26 stops the fine powder and makes its inside that gets into unloading hole 25.

Referring to fig. 1 of the drawings, in the present invention, a vacuum pumping device 27 is disposed at the outside of a pulverizing box 1, the inside of the pulverizing box 1 is kept in a vacuum state by the vacuum pumping device 27, a container 28 is disposed at the outside of the whole screw mechanism, the vacuum pumping device 27 is disposed at the outside of the container 28, and the container 28 is omitted in the following drawings for convenience in displaying the screw lifting mechanism.

The discharging pipe 13 extends to the inside of the container 28 to supply materials for the spiral lifting groove 18, a through hole for the discharging pipe 13 to pass through is formed in the side surface of the container 28, the discharging pipe 13 is connected with the container 28 through a soft connecting layer 31, and the soft connecting layer 31 can be made of rubber.

The bottom discharge end of the central tube 17 is provided with a vacuum continuous discharge valve 29, the tail end of the return channel 20 is provided with a vacuum continuous discharge valve 29, so that the spiral lifting mechanism can keep vacuum and discharge from the return channel 20 and the central tube 17, in order to keep the vacuum in the crushing box 1, the bottom of the feed hopper 12 is provided with a planetary discharger 30, so that newly added materials and returned materials enter the crushing box 1 through the planetary discharger 30, keep vacuum and realize crushing feeding.

The top of the central tube 17 may be provided with a transparent lens extending above the container 28, possibly on top of which a seal is maintained, facilitating the observation of the internal conditions.

In addition, the container 28 and the inside of the pulverizing box 1 may be connected to the CIP cleaning system through a pipeline, so that the subsequent cleaning is facilitated.

Referring to fig. 13, the return channel 20 may also be designed as a sealed pipe body, and is inclined, one end of the return channel 20 is in sealing connection with the container 28, and the bottom end of the return channel 20 is in sealing communication with the interior of the crushing box 1, so that a vacuum continuous discharging valve 29 is not required to be installed on the return channel 20.

Thereby guarantee that the material is in the vacuum state at crushing in-process, through the inside evacuation to crushing case 1 and spiral elevating system, make the crushing of fine powder be in under the vacuum environment, utilize rubber ring 9 to make orifice plate 10 at the inner wall installation of crushing case 1, through setting up ultrasonic oscillator 14 and high-frequency oscillator 15, make the fine powder beat about the material when passing through sieve mesh 11, improve the discharge, the ejection of compact is smooth and easy simultaneously, thereby do not need the air current to drive the material flow, avoid using the air current, follow-up material does not need the separation, stopped the phenomenon of the inside residual fine powder of pipeline, have great market prospect, reduce manufacturing cost.

The working procedure is as follows:

s1, feeding new materials into a crushing box 1 through a planetary discharger 30 and a feed hopper 12 for crushing;

s2, lifting blades 5 to drive large particles which do not pass through the sieve holes 11 to rise, and crushing again through fine crushing blades 8;

s3, enabling the materials with the particle sizes smaller than those of the sieve holes 11 to enter the collecting hopper 2 through the sieve holes 11;

s4, materials enter the spiral lifting mechanism after passing through the sieve holes 11, a filter screen 24 is arranged on the plane of the spiral lifting groove 18, the materials reaching the specification enter the central tube 17 through the blanking holes 25, are discharged after passing through the vacuum continuous discharging valve 29, other particles rise in a rotating way under the rotary vibration,

s5, the vibration mechanism drives the spiral lifting groove 18 to vibrate, the spiral lifting groove ascends under the vibration effect, and enters the crushing box 1 after passing through the feed back channel 20, the planetary discharger 30 and the feed hopper 12, and is crushed again;

s6, circulating according to the procedures until the crushing is completed;

and S7, after the work is finished, cleaning the crushing box 1, the spiral lifting mechanism and opening the CIP cleaning system to realize online cleaning and drying.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. The utility model provides a vacuum fine powder crushing apparatus, includes crushing case (1) and spiral hoist mechanism, its characterized in that: the utility model discloses a grinding box, including smashing bottom fixedly connected with collecting hopper (2) of case (1), smashing case (1) and being drum type structure, and upper surface center department fixedly connected with driving motor (3), the output shaft of driving motor (3) extends to the inside fixedly connected with smashing main shaft (4) of smashing case (1), the surface of smashing main shaft (4) is provided with crushing blade and lift blade (5), though smashing blade by last to including smashing paddle (6) in proper order, strong crushing paddle (7) and smart crushing paddle (8), the bottom inner wall of smashing case (1) has orifice plate (10) through rubber ring (9) flexonics, the lower surface of lift blade (5) and the upper surface laminating of orifice plate (10), a plurality of sieve meshes (11) have been seted up on orifice plate (10), the upper surface of smashing case (1) is provided with feeder hopper (12), the bottom of feeder hopper (12) is through planetary discharger (30) and the inside intercommunication of smashing case (1), the bottom of collecting hopper (2) is provided with feed down pipe (13), ultrasonic oscillator (14) and high-frequency oscillator (15) are installed to the bottom of smashing case (10), ultrasonic oscillator (14) and high-frequency oscillator (15) drive high-frequency oscillation (16) at the same time at the upper right side of the motor (15), the upper surface fixedly connected with center tube (17) of hoist frame (16), the surface of center tube (17) is provided with spiral lifting groove (18), the bottom of hoist frame (16) is provided with vibrations subassembly (19), unloading pipe (13) are the bottom pay-off of spiral lifting groove (18), vibrations subassembly (19) drive spiral lifting groove (18) vibrations with the material spiral vibrations promote to the top, the top of spiral lifting groove (18) is connected with feed back passageway (20), and feed back passageway (20) are located directly over feeder hopper (12), and feed back passageway (20) are the slope form.

2. A vacuum fine powder pulverizing apparatus as defined in claim 1, wherein: the external part of the box body of the crushing box (1) is provided with a cooling sleeve (21), a cooling water cavity is formed between the cooling sleeve (21) and the crushing box (1), and the external part of the cooling sleeve (21) is connected with a cooling circulating water pipe (22).

3. A vacuum fine powder pulverizing apparatus as defined in claim 1, wherein: the number of the lifting blades (5) and the number of the crushing blades are three, the circumferential equidistant setting is on the surface of the crushing main shaft (4), and the lifting blades (5) scoop up the material on the pore plate (10) when rotating so as to throw the material to the fine crushing blades (8).

4. A vacuum fine powder pulverizing apparatus as defined in claim 1, wherein: the bottom of spiral lifting groove (18) is provided with collection recess (23) that spiral rises rather than the orbit unanimity, and collection recess (23) are connected with spiral lifting groove (18) integration, are equipped with filter screen (24) on the bottom plate of spiral lifting groove (18), and spiral lifting groove (18) are through the inside intercommunication of filter screen (24) and collection recess (23), and a plurality of unloading holes (25) have been seted up to the inner wall of center tube (17), and the inside intercommunication of unloading hole (25) and collection recess (23).

5. The vacuum fine powder pulverizing apparatus as defined in claim 4, wherein: the inside of collecting groove (23) is provided with a plurality of dog (26), and dog (26) stop fine powder and make its inside that gets into unloading hole (25).

6. A vacuum fine powder pulverizing apparatus as defined in claim 1, wherein: the center of the pore plate (10) is provided with a sealing bearing, and the bottom end of the crushing main shaft (4) is fixedly connected with the inner ring of the sealing bearing.

7. A vacuum fine powder pulverizing apparatus as defined in claim 1, wherein: the outside of smashing case (1) is provided with evacuating equipment (27), utilizes evacuating equipment (27) to make smashing case (1) inside keep the vacuum state, and the whole outside of spiral lifting mechanism sets up container (28) parcel to make its inside form the vacuum state, vacuum continuous discharge valve (29) are installed to the bottom discharge end of center tube (17), and vacuum continuous discharge valve (29) are installed to the end of feed back passageway (20).

8. A vacuum fine powder pulverizing apparatus as defined in claim 1, wherein: the feed back channel (20) is a sealed pipe body and is of an inclined design, one end of the feed back channel (20) is in sealing connection with the container (28), and the bottom end of the feed back channel (20) is in sealing communication with the inside of the crushing box (1).