CN108435370B - Superfine chinese herbal medicine rubbing crusher - Google Patents
Superfine chinese herbal medicine rubbing crusher Download PDFInfo
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- CN108435370B CN108435370B CN201810373013.1A CN201810373013A CN108435370B CN 108435370 B CN108435370 B CN 108435370B CN 201810373013 A CN201810373013 A CN 201810373013A CN 108435370 B CN108435370 B CN 108435370B
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- feeding
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- 241000411851 herbal medicine Species 0.000 title claims abstract description 58
- 239000000463 material Substances 0.000 claims abstract description 111
- 239000002245 particle Substances 0.000 claims abstract description 60
- 238000007599 discharging Methods 0.000 claims abstract description 42
- 239000011362 coarse particle Substances 0.000 claims abstract description 4
- 238000010298 pulverizing process Methods 0.000 claims description 38
- 230000000903 blocking effect Effects 0.000 claims description 33
- 239000000428 dust Substances 0.000 claims description 10
- 239000010419 fine particle Substances 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000001154 acute effect Effects 0.000 claims 1
- 238000000227 grinding Methods 0.000 abstract description 4
- 210000001503 joint Anatomy 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 description 9
- 230000007547 defect Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/22—Feed or discharge means
- B02C18/2216—Discharge means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
- B02C23/22—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating with recirculation of material to crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention relates to the technical field of crushers, in particular to an ultrafine Chinese herbal medicine crusher, which comprises a frame, a crushing device and a grading device, wherein the crushing device comprises a feeding chamber, a crushing chamber and a discharging chamber which are sequentially connected, the feeding chamber is provided with a feeding port and a feed back port, and a pressurizing wind wheel is arranged in the discharging chamber; the classifying device comprises a barrel body, a base connected with the upper end of the barrel body, and a classifying impeller arranged below the base and positioned in the barrel body, wherein a classifying chamber is arranged on the base, and a classifying chamber inlet is arranged on the base and close to the material classifying outlet end of the classifying impeller; the discharging chamber is connected with a material conveying pipeline, the material conveying pipeline penetrates into the barrel body, a feeding output port of the material conveying pipeline is positioned below the classifying impeller, the lower end of the barrel body is provided with a coarse particle blanking port which is in butt joint with the feed back port, the classifying chamber is communicated with the cyclone separator through a pipeline, and the cyclone separator is connected with an induced air device. The invention realizes the superfine grinding of the Chinese herbal medicine and improves the quality of the Chinese herbal medicine particles.
Description
Technical Field
The invention relates to the technical field of crushers, in particular to an ultrafine Chinese herbal medicine crusher.
Background
The problems of the traditional Chinese herbal medicine pulverizer in the use process are as follows: in order to achieve the superfine effect of the Chinese herbal medicine particles, the Chinese herbal medicine raw materials need to be repeatedly crushed and ground in a crusher for a long time, so that the friction temperature of the Chinese herbal medicine particles rises, and the medicinal quality of the Chinese herbal medicine particles is reduced after the Chinese herbal medicine particles heat.
Disclosure of Invention
In order to solve the problems, the invention provides an ultrafine Chinese herbal medicine pulverizer, which aims to reduce the heating of Chinese herbal medicine particles in the pulverizing process and improve the quality of the Chinese herbal medicine particles while realizing ultrafine pulverization of the Chinese herbal medicine particles. The specific technical scheme is as follows:
the superfine Chinese herbal medicine pulverizer comprises a frame, a pulverizing device arranged on the frame and used for pulverizing material particles, and a classifying device arranged on the frame and positioned above the pulverizing device and used for classifying the pulverized material particles, wherein the pulverizing device comprises a feeding chamber, a pulverizing chamber and a discharging chamber which are sequentially connected, the feeding chamber is provided with a feeding port and a feed back port, and a pressurizing wind wheel used for discharging is arranged in the discharging chamber; the classifying device comprises a barrel body, a base connected with the upper end of the barrel body, and a classifying impeller arranged below the base and positioned in the barrel body, wherein a classifying chamber is arranged on the base, and a classifying chamber inlet for conveying fine particles of materials separated by the classifying impeller to the classifying chamber is arranged at the material separating outlet end of the base close to the classifying impeller; the discharging chamber is connected with a material conveying pipeline used for conveying crushed material particles into the barrel body, the material conveying pipeline penetrates into the barrel body, a material feeding output port of the material conveying pipeline is positioned below the classifying impeller, the lower end of the barrel body is provided with a coarse particle blanking port for butt joint of the material returning port, the classifying chamber is communicated with the cyclone separator through a pipeline, and the cyclone separator is connected with an induced air device.
During operation, chinese herbal medicine raw materials enter the feeding chamber through the feeding hole, enter the discharging chamber after being crushed into particles through the crushing chamber, and enter the barrel body of the classifying device through the material conveying pipeline under the driving of the pressurizing wind wheel of the discharging chamber, the material particles are separated under the action of the classifying impeller, fine particles in the material enter the classifying chamber after passing through the classifying impeller, then are conveyed to the cyclone separator through the pipeline to separate out required Chinese herbal medicine particles, the material with larger particles in the barrel body cannot pass through the classifying impeller, fall into the blanking hole under the action of dead weight, and enter the return hole in the crushing device through the blanking hole to be crushed again, and the reciprocating circulation is performed, so that superfine crushing of the Chinese herbal medicine raw materials is realized.
Wherein the pressurizing wind wheel generates negative pressure air flow in the material inlet ends of the feeding chamber, the crushing chamber and the discharging chamber, so that the Chinese herbal medicine raw materials flow from the feeding chamber to the crushing chamber and the discharging chamber in sequence, the pressurizing wind wheel generates positive pressure air flow at the material output end of the discharging chamber, and drives material particles to enter the barrel body of the grading device through the material conveying pipeline.
In addition, the induced air device connected with the cyclone separator generates flowing air flow which sequentially enters the classifying chamber and the cyclone separator from the inside of the barrel body of the classifying device, so that the crushed Chinese herbal medicine material particles are separated.
According to the invention, the particle size of the material particles entering the classifying chamber can be controlled by adjusting the rotating speed of the classifying impeller in the classifying device, so that the requirements of manufacturing different Chinese herbal medicine particle sizes are met.
Compared with the conventional Chinese herbal medicine pulverizer, the invention has the advantages that the material particles flow along with the air flow in the pulverizing process, so that the heating phenomenon in the pulverizing process can be reduced, the defect that the particles heat due to repeated grinding in the pulverizing chamber of the conventional Chinese herbal medicine pulverizer is overcome, and the quality of the Chinese herbal medicine particles is improved.
In the invention, the induced air device comprises a pulse dust collector and an induced draft fan, wherein the cyclone separator is connected with the pulse dust collector, and the pulse dust collector is connected with the induced draft fan.
In the invention, an inner gear ring is arranged on the inner wall of the crushing chamber, the same rotating shaft is arranged in the crushing chamber and the discharging chamber, two ends of the rotating shaft are respectively supported on a bearing seat and driven to rotate by a first motor through belt transmission, a cutter holder is arranged on the rotating shaft at the position of the crushing chamber, a plurality of crushing cutters distributed along the circumferential direction are arranged on the cutter holder, and the crushing cutters are positioned in the inner gear ring and are provided with gaps with the inner gear ring.
Wherein, the pressure boost wind wheel is fixed in on the pivot.
As a further improvement of the invention, a material blocking device is arranged in a section of discharge chamber between the pressurizing wind wheel and the crushing cutter, the material blocking device comprises a horn pipe with an inner taper hole, the big end hole of the inner taper hole faces one side of the crushing chamber, a material blocking plate for controlling the discharge speed of materials is arranged on the rotating shaft and positioned in the inner taper hole of the horn pipe, and a discharge gap is arranged between the outer edge of the material blocking plate and the inner taper hole.
The arrangement of the material blocking device in the discharging chamber can effectively avoid the defect that particles are not sufficiently crushed due to the fact that the flow speed of material particles is high due to the fact that the negative pressure air flow is generated in the crushing chamber by the pressurizing wind wheel, so that the crushing efficiency can be improved.
In the invention, the horn tube is axially and movably arranged on the inner wall of the discharging chamber and is fixed on the discharging chamber through a screw.
The horn tube is axially movably arranged, so that the clearance between the outer edge of the baffle plate and the inner taper hole of the horn tube can be conveniently adjusted, and the horn tube can be suitable for crushing different Chinese herbal medicine raw materials.
As a further improvement, the material blocking device further comprises a material blocking seat fixed on the rotating shaft, a plurality of material blocking plates are distributed along the circumferential direction and fixed on the material blocking seat, and the material blocking plates and the axis of the rotating shaft are obliquely arranged relatively.
The striker plates are arranged in an inclined manner relative to the axis of the rotating shaft, so that a certain discharging gap is reserved between two adjacent striker plates, the minimum discharging amount of materials can be ensured, meanwhile, the blocking of material particles in the crushing device can be avoided, and the reliability of equipment is improved.
In the invention, the classifying device further comprises a classifying shaft connected with the classifying impeller and a second motor connected with the classifying shaft, bearings are respectively arranged at two ends of the classifying chamber, and the classifying shaft is positioned in the bearing hole.
Wherein, the second motor is preferably a variable frequency speed regulating motor so as to realize stepless speed change.
The classifying impeller comprises blades, an upper supporting plate, a middle supporting plate and a lower supporting plate which are fixed on the classifying shaft and are respectively connected with the blades, a plurality of open slots are uniformly distributed on the outer edges of the upper supporting plate, the middle supporting plate and the lower supporting plate respectively, the blades are inlaid in the open slots and fixed through welding, and material channels for conveying fine particles of materials separated by the blades to the classifying chamber are formed in the upper supporting plate and the middle supporting plate.
As a preferred embodiment, the symmetry center line of the open groove is arranged eccentrically with respect to the center of the classifying shaft.
The eccentric arrangement of the open slot in the classifying impeller ensures that the logistics particles of the classifying impeller are smoother when passing through the separation gap formed between two adjacent blades during the rotation of the classifying impeller, thereby greatly improving the classifying efficiency.
In the invention, a spiral feeding mechanism is connected to the feeding port, and electric valves are respectively arranged on the blanking port at the lower end of the barrel body and the discharging port at the lower end of the cyclone separator.
The beneficial effects of the invention are as follows:
first, compared with the existing conventional Chinese herbal medicine pulverizer, the superfine Chinese herbal medicine pulverizer provided by the invention has the advantages that the material particles flow along with the air flow in the pulverizing process, so that the heating phenomenon in the pulverizing process can be reduced, the defect that the particles heat due to repeated grinding in the pulverizing chamber of the conventional Chinese herbal medicine pulverizer is overcome, and the quality of the Chinese herbal medicine particles is improved.
Secondly, the superfine Chinese herbal medicine pulverizer provided by the invention has the advantages that the arrangement of the material blocking device in the discharging chamber can effectively avoid the defect that the particle is insufficiently pulverized due to the fact that the flow speed of material particles is high due to the fact that the negative pressure air flow is generated in the pulverizing chamber by the pressurizing wind wheel, so that the pulverizing efficiency can be improved.
Thirdly, according to the ultrafine Chinese herbal medicine pulverizer disclosed by the invention, the baffle plates are obliquely arranged relative to the axis of the rotating shaft, so that a certain discharge gap is reserved between two adjacent baffle plates, the minimum discharge amount of materials can be ensured, meanwhile, the blockage of material particles in the pulverizing device can be avoided, and the reliability of equipment is improved.
Fourth, according to the ultrafine Chinese herbal medicine pulverizer disclosed by the invention, the eccentric arrangement of the open slots in the classifying impeller enables the logistics particles of the classifying impeller to pass through the separation gaps formed between two adjacent blades during rotation of the classifying impeller, so that the separation efficiency can be greatly improved.
Drawings
FIG. 1 is a schematic diagram of an ultra-fine Chinese herbal medicine pulverizer of the present invention;
FIG. 2 is a schematic view of the pulverizing apparatus of FIG. 1;
FIG. 3 is a schematic view of the classification apparatus of FIG. 1;
fig. 4 is a schematic structural view (axial view) of the ring gear in fig. 2;
FIG. 5 is a schematic view (axial view) of the boost rotor of FIG. 2;
FIG. 6 is a schematic view (axial view) of the stopper seat of FIG. 2;
FIG. 7 is a left side view of FIG. 6;
FIG. 8 is a schematic view of the structure of the dam plate of FIG. 2;
FIG. 9 is a top view of FIG. 8;
FIG. 10 is a schematic view (axial view) of the structure of the upper and middle support plates of FIG. 3;
FIG. 11 is a schematic view (axial view) of the lower support plate of FIG. 3;
fig. 12 is a schematic view of the vane of fig. 3.
In the figure: 000. a frame;
in the figure: 100. the device comprises a crushing device 101, a feeding chamber 102, a crushing chamber 103, a discharging chamber 104, a feeding hole 105, a feed back hole 106, a pressurizing wind wheel 107, an annular gear 108, a rotating shaft 109, a bearing seat 110, a first motor 111, a tool apron 112, a crushing tool 113, a horn pipe 114, a baffle plate 115, a screw 116, a material blocking seat 117 and a belt pulley;
in the figure: 200. the classifying device comprises a classifying device, 201, a barrel body, 202, a base, 203, classifying impellers, 204, classifying chambers, 205, classifying chamber inlets, 206, material conveying pipelines, 207, a feeding output port, 208, a blanking port, 209, pipelines, 210, classifying shafts, 211, a second motor, 212, bearings, 213, blades, 214, an upper supporting plate, 215, a middle supporting plate, 216, a lower supporting plate, 217, open slots, 218, material channels, 219, an electric valve, 220 and a material sorting output end of the classifying impellers;
in the figure: 300. cyclone separator, 301, discharge port, 302, electric valve;
in the figure: 400. an induced air device 401, a pulse dust collector 402 and an induced draft fan;
in the figure: 500. a screw feeding mechanism;
in the figure: delta is the angle of the striker plate which is obliquely arranged relative to the axis, and e is the eccentric amount of the symmetrical center line of the open slot relative to the center of the rotating shaft.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
Referring to fig. 1 to 12, an embodiment of an ultrafine chinese herbal medicine pulverizer according to the present invention includes a frame 000, a pulverizing device 100 disposed on the frame 000 and used for pulverizing material particles, and a classifying device 200 disposed on the frame 000 and above the pulverizing device 100 and used for classifying the pulverized material particles, where the pulverizing device 100 includes a feeding chamber 101, a pulverizing chamber 102, and a discharging chamber 103 connected in sequence, a feeding inlet 104 and a return inlet 105 are disposed on the feeding chamber 101, and a pressurizing wind wheel 106 used for discharging is disposed in the discharging chamber 103; the classifying device 200 comprises a barrel 201, a base 202 connected with the upper end of the barrel 201, and a classifying impeller 203 arranged below the base 202 and positioned in the barrel 201, wherein a classifying chamber 204 is arranged on the base 202, and a classifying chamber inlet 205 for conveying fine particles of materials classified by the classifying impeller 203 to the classifying chamber 204 is arranged on the base 202 near a material classifying outlet end 220 of the classifying impeller; the discharging chamber 103 is connected with a material conveying pipeline 206 for conveying crushed material particles into the barrel 201, the material conveying pipeline 206 penetrates into the barrel 201, a material conveying output port 207 of the material conveying pipeline is positioned below the classifying impeller 203, the lower end of the barrel 201 is provided with a coarse particle blanking port 208 which is in butt joint with the feed back port 105, the classifying chamber 204 is communicated with the cyclone 300 through a pipeline, and the cyclone 300 is connected with the induced draft device 400.
During operation, chinese herbal medicine raw materials enter the feeding chamber 101 through the feeding hole 104, are crushed into particles through the crushing chamber 102 and then enter the discharging chamber 103, the particles enter the barrel 201 of the classifying device 200 through the material conveying pipeline 206 under the drive of the pressurizing wind wheel 106 of the discharging chamber 103, the particles are classified under the action of the classifying impeller 203, fine particles in the materials enter the classifying chamber 204 after passing through the classifying impeller 203, the fine particles are conveyed into the cyclone 300 through the pipeline 209 to separate out the required Chinese herbal medicine particles, and the materials with larger particles in the barrel cannot fall into the blanking hole 208 through the classifying impeller 203 under the action of dead weight and enter the return hole 105 in the crushing device 100 for re-crushing through the blanking hole 208, so that the fine particles of the Chinese herbal medicine raw materials are repeatedly circulated, and superfine crushing of the Chinese herbal medicine raw materials is realized.
Wherein, the pressurizing wind wheel 106 generates negative pressure air flow in the material inlet ends of the feeding chamber 101, the crushing chamber 102 and the discharging chamber 103, so that the Chinese herbal medicine raw materials flow from the feeding chamber 101 to the crushing chamber 102 and the discharging chamber 103 in sequence, the pressurizing wind wheel 106 generates positive pressure air flow in the material outlet end of the discharging chamber 103, and drives the material particles to enter the barrel 201 of the grading device 200 through the material conveying pipeline 206.
In addition, the induced draft device 400 connected with the cyclone 300 generates flowing air flow which sequentially enters the classifying chamber 204 and the cyclone 300 from the inside of the barrel 201 of the classifying device 200, so as to realize the separation of the crushed Chinese herbal medicine material particles.
In this embodiment, the particle size of the material particles entering the classifying chamber 204 can be controlled by adjusting the rotation speed of the classifying impeller 203 in the classifying device 200, so as to meet the requirements of different sizes of the Chinese herbal medicine particles.
Compared with the conventional Chinese herbal medicine pulverizer, in the embodiment, the material particles flow along with the air flow in the pulverizing process, so that the heating phenomenon in the pulverizing process can be reduced, the defect that the particles heat due to repeated grinding of the conventional Chinese herbal medicine pulverizer in a pulverizing chamber is overcome, and the quality of the Chinese herbal medicine particles is improved.
In this embodiment, the induced air device 400 includes a pulse dust collector 401 and an induced draft fan 402, the cyclone 300 is connected to the pulse dust collector 401, and the pulse dust collector 401 is connected to the induced draft fan 400.
In this embodiment, an inner gear ring 107 is disposed on an inner wall of the crushing chamber 102, the same rotating shaft 108 is disposed in the crushing chamber 102 and the discharging chamber 103, two ends of the rotating shaft 108 are respectively supported on a bearing seat 109 and driven to rotate by a first motor 110 through belt transmission, a cutter holder 111 is disposed on the rotating shaft 108 and located at the position of the crushing chamber 102, a plurality of crushing cutters 112 distributed along a circumferential direction are disposed on the cutter holder 111, and the crushing cutters 112 are located in the inner gear ring 107 and are spaced from the inner gear ring 107.
Wherein the booster wind wheel 106 is fixed on the rotating shaft 108.
As a further improvement of this embodiment, a material blocking device is disposed in a section of the discharging chamber 103 between the pressurizing wind wheel 106 and the crushing blade 112, the material blocking device includes a bell pipe 113 with an inner taper hole, a big end hole of the inner taper hole faces to one side of the crushing chamber 102, a material blocking plate 114 for controlling the discharging speed of the material is disposed on the rotating shaft 108 at a position of the inner taper hole of the bell pipe 113, and a discharging gap is disposed between the outer edge of the material blocking plate 114 and the inner taper hole.
The setting of the material blocking device in the discharging chamber 103 can effectively avoid the defect that the particles are insufficiently crushed due to the fact that the flow speed of the material particles is higher as the negative pressure air flow is generated in the crushing chamber 102 by the pressurizing wind wheel 106, so that the crushing efficiency can be improved.
In this embodiment, the flare 113 is axially movably disposed on the inner wall of the discharge chamber 103 and is fixed to the discharge chamber 103 by a screw 115.
The above-mentioned horn 113 is axially movable, which facilitates the adjustment of the gap between the outer edge of the baffle 114 and the inner taper hole of the horn, so as to adapt to the pulverization of different Chinese herbal medicine materials.
As a further improvement, the material blocking device further includes a material blocking seat 116 fixed on the rotating shaft 108, a plurality of material blocking plates 114 are circumferentially distributed and fixed on the material blocking seat 116, and the material blocking plates 114 are obliquely arranged relative to the axis of the rotating shaft 108.
The above-mentioned striker plates 114 are disposed obliquely relative to the axis of the rotating shaft 108, so that a certain discharge gap is left between two adjacent striker plates 114, thereby ensuring the minimum discharge amount of the material, and avoiding the blockage of the material particles in the crushing device 100, thereby improving the reliability of the equipment.
In this embodiment, the classifying device 200 further includes a classifying shaft 210 connected to the classifying impeller 203, and a second motor 211 connected to the classifying shaft 210, bearings 212 are respectively disposed at two ends of the classifying chamber 204, and the classifying shaft 210 is positioned in the holes of the bearings 212.
Wherein, the second motor 211 is preferably a variable frequency speed-regulating motor to realize stepless speed change.
In this embodiment, the classifying impeller 203 includes a vane 213, and an upper support plate 214, a middle support plate 215, and a lower support plate 216 fixed on the classifying shaft 210 and respectively connected to the vane 203, a plurality of open slots 217 are uniformly distributed on the outer edges of the upper support plate 214, the middle support plate 215, and the lower support plate 216, the vane 213 is inlaid in the open slots 217 and fixed by welding, and a material channel 218 for conveying the fine particles of the material classified by the vane 213 to the classifying chamber 204 is provided on the upper support plate 214 and the middle support plate 215.
Preferably, the symmetry center line of the open slot 217 is eccentrically disposed with respect to the center of the classifying shaft 210.
The eccentric arrangement of the open slot 217 in the classifying impeller 203 makes the material flow particles smoother when passing through the separation gap formed between two adjacent blades when the classifying impeller 203 rotates, thereby greatly improving the separation efficiency.
In this embodiment, the feeding port 104 is connected with a screw feeding mechanism 500, and the blanking port 208 at the lower end of the barrel 201 and the discharging port 301 at the lower end of the cyclone 300 are respectively provided with an electric valve 219 and an electric valve 302.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (10)
1. The superfine Chinese herbal medicine pulverizer is characterized by comprising a frame, a pulverizing device arranged on the frame and used for pulverizing material particles, and a classifying device arranged on the frame and positioned above the pulverizing device and used for classifying the pulverized material particles, wherein the pulverizing device comprises a feeding chamber, a pulverizing chamber and a discharging chamber which are arranged in a left-to-right direction and are sequentially connected, the feeding chamber is provided with a feeding port and a feed back port, and a pressurizing wind wheel used for discharging is arranged in the discharging chamber; the classifying device comprises a barrel body, a base connected with the upper end of the barrel body, and a classifying impeller arranged below the base and positioned in the barrel body, wherein a classifying chamber is arranged on the base, and a classifying chamber inlet for conveying fine particles of materials separated by the classifying impeller to the classifying chamber is arranged at the material separating outlet end of the base close to the classifying impeller; the upper part of the discharging chamber is connected with a material conveying pipeline for conveying crushed material particles into the barrel body, the material conveying pipeline penetrates into the barrel body, a material feeding output port of the material conveying pipeline is positioned below the classifying impeller, the lower end of the barrel body is provided with a coarse particle blanking port for butting the material returning port, the classifying chamber is communicated with a cyclone separator through a pipeline, and the cyclone separator is connected with an induced draft device; the feeding chamber is integrally arranged at the upper left position of the crushing chamber, the feeding port is arranged at the left end of the feeding chamber, the feed back port is arranged at the upper end of the feeding chamber, the lower end face of the feeding chamber is arranged obliquely downwards in a left-to-right direction, and the left bearing seats in the pair of bearing seats are arranged at the lower position of the feeding chamber; the feeding hole is connected with a spiral feeding mechanism; the grading device further comprises a grading shaft connected with the grading impeller and a second motor connected with the grading shaft; the second motor is a variable-frequency speed regulating motor, and the particle size of material particles entering the grading chamber is controlled by regulating the rotating speed of the grading impeller in the grading device so as to meet the requirements of manufacturing different Chinese herbal medicine particle sizes.
2. The ultrafine Chinese herbal medicine pulverizer as defined in claim 1, wherein the induced draft device comprises a pulse dust collector and an induced draft fan, the cyclone separator is connected with the pulse dust collector, and the pulse dust collector is connected with the induced draft fan.
3. The superfine Chinese herbal medicine pulverizer as claimed in claim 1, wherein an inner wall of the pulverizing chamber is provided with an annular gear, the pulverizing chamber and the discharging chamber are internally provided with the same rotating shaft, two ends of the rotating shaft are respectively supported on a bearing seat and driven to rotate by a first motor through belt transmission, a cutter holder is arranged at the position of the pulverizing chamber on the rotating shaft, a plurality of pulverizing cutters distributed along the circumferential direction are arranged on the cutter holder, and the pulverizing cutters are positioned in the annular gear and are provided with gaps with the annular gear.
4. An ultrafine Chinese herbal medicine pulverizer as defined in claim 3, wherein a material blocking device is arranged in a section of discharge chamber between the supercharging wind wheel and the pulverizing knife, the material blocking device comprises a horn pipe with an inner taper hole, a big end hole of the inner taper hole faces one side of the pulverizing chamber, a material blocking plate for controlling the discharge speed of materials is arranged on the rotating shaft at the position of the inner taper hole of the horn pipe, and a discharge gap is arranged between the outer edge of the material blocking plate and the inner taper hole.
5. The ultrafine chinese herbal medicine pulverizer of claim 4, wherein the horn is axially movably disposed on an inner wall of the discharge chamber and is fixed to the discharge chamber by screws.
6. The ultrafine Chinese herbal medicine pulverizer of claim 5, wherein the material blocking device further comprises a material blocking seat fixed on the rotating shaft, a plurality of material blocking plates are circumferentially distributed and fixed on the material blocking seat, two planes of the material blocking plates are obliquely arranged opposite to the axis of the rotating shaft, and an angle delta formed by the two planes of the material blocking plates obliquely arranged opposite to the axis of the rotating shaft is an acute angle.
7. The ultrafine chinese herbal medicine pulverizer as defined in claim 1, wherein bearings are provided at both ends of the classifying chamber, respectively, and the classifying shaft is positioned in the bearing hole.
8. The ultrafine Chinese herbal medicine pulverizer as defined in claim 7, wherein the classifying impeller comprises blades, an upper supporting plate, a middle supporting plate and a lower supporting plate which are fixed on the classifying shaft and are respectively connected with the blades, a plurality of open slots are uniformly distributed on the outer edges of the upper supporting plate, the middle supporting plate and the lower supporting plate respectively, the blades are inlaid in the open slots and fixed by welding, and a material channel for conveying fine particles of materials separated by the blades to the classifying chamber is arranged on the upper supporting plate and the middle supporting plate.
9. The ultrafine chinese herbal medicine pulverizer of claim 8, wherein the symmetry center line of each of the open grooves is eccentrically disposed with respect to the center of the classification shaft.
10. The ultrafine Chinese herbal medicine pulverizer as defined in claim 1, wherein the blanking port at the lower end of the barrel body and the discharging port at the lower end of the cyclone separator are respectively provided with an electric valve.
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| CN108435370B true CN108435370B (en) | 2024-04-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109569818A (en) * | 2018-12-12 | 2019-04-05 | 袁耀康 | Material rubbing device |
| CN113649126A (en) * | 2021-08-25 | 2021-11-16 | 青岛新农康源生物工程有限公司 | Tenebrio molitor smashing device |
| CN116474926A (en) * | 2023-03-28 | 2023-07-25 | 四川正鑫机械有限公司 | Superfine pulverizing system |
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