CN104437747A - Traditional Chinese medicine raw material powder preparing device - Google Patents
Traditional Chinese medicine raw material powder preparing device Download PDFInfo
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- CN104437747A CN104437747A CN201410549538.8A CN201410549538A CN104437747A CN 104437747 A CN104437747 A CN 104437747A CN 201410549538 A CN201410549538 A CN 201410549538A CN 104437747 A CN104437747 A CN 104437747A
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- stage grinding
- grinding hammer
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- 239000000843 powder Substances 0.000 title claims abstract description 146
- 239000002994 raw material Substances 0.000 title claims abstract description 37
- 239000003814 drug Substances 0.000 title claims abstract description 36
- 238000000227 grinding Methods 0.000 claims abstract description 130
- 238000005192 partition Methods 0.000 claims abstract description 24
- 238000002360 preparation method Methods 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 239000002912 waste gas Substances 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 3
- 238000010992 reflux Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 30
- 239000000463 material Substances 0.000 description 15
- 239000007789 gas Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000010298 pulverizing process Methods 0.000 description 3
- 229910000617 Mangalloy Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002699 waste material Substances 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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/02—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
- B02C13/06—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft with beaters rigidly connected to the rotor
- B02C13/09—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft with beaters rigidly connected to the rotor and throwing the material against an anvil or impact plate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/13—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft and combined with sifting devices, e.g. for making powdered fuel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
- B02C13/2804—Shape or construction of beater elements the beater elements being rigidly connected to the rotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/286—Feeding or discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/286—Feeding or discharge
- B02C2013/28609—Discharge means
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a traditional Chinese medicine raw material powder preparing device. In a shell of the device, a first-stage grinding hammer, a second-stage grinding hammer, a third-stage grinding hammer and an air conveying device are sequentially arranged, wherein the first-stage grinding hammer comprises a first hammer body and a rectangular hammer head; the inclination angle of the rectangular hammer head and the first hammer body is 20-45 degrees; in the shell, a grinding platform is arranged corresponding to the first-stage grinding hammer; a partition plate is arranged between the third-stage grinding hammer and the air conveying device; a regrinding groove is formed between the partition plate and the third-stage grinding hammer; a powder separation chamber is arranged in the shell; a crude powder reflux pipe is arranged between the powder separation chamber and the second-stage grinding hammer; the powder separation chamber is connected with a powder collecting chamber; the powder collecting chamber is connected with the first-stage grinding hammer by an air channel pipe. The traditional Chinese medicine raw material powder preparing device disclosed by the invention can be used for preventing generation of high temperature during a repeated grinding process and also causes no dust and waste gas pollution.
Description
Technical Field
The invention relates to a device for preparing traditional Chinese medicine raw material powder.
Background
In the preparation process of the Chinese patent medicine, the smaller the powder particles of the crushed Chinese medicinal raw materials are, the easier the effective components of the Chinese medicinal raw materials are to be further extracted and utilized.
The existing preparation method of traditional Chinese medicine powder generally comprises the steps of firstly crushing by using a crusher and then sieving by using a sieving machine, thus two different devices are required to be used, and the production efficiency is not high.
Chinese patent CN100542676C provides an axial-flow hammer mill, which has a screen sheet at the periphery of the rotor in the milling chamber, and the screen sheet semi-surrounds the rotor from the bottom and both sides, so it can realize the screening at the same time in the milling process, but when the powder particles to be prepared are required to be smaller, for example, more than 200 mesh powder particles are required to be prepared, this structure is difficult to control the dust of the screened powder particles, i.e. the waste of the powder dust is easily caused, and in addition, the technical scheme is not convenient for continuous production.
In the case of preparing powder particles having a high mesh number, for example, powder particles having a mesh size of 200 or more, it is necessary to solve the problem that the high temperature generated by long-time grinding may damage the raw materials of the chinese medicine and the problem of how to collect the prepared fine powder.
Disclosure of Invention
The present invention provides a device for preparing a powder of a Chinese medicinal raw material, which can reduce or avoid the aforementioned problems.
In order to solve the above problems, the present invention provides a device for preparing a traditional Chinese medicine raw material powder, comprising a casing mounted on a frame, a driving shaft penetrating the casing and arranged on the frame, a driving wheel arranged on the driving shaft, a feeding hopper arranged on the casing, an iron removing device arranged on the feeding hopper, a first-stage grinding hammer, a second-stage grinding hammer, a third-stage grinding hammer and an air conveying device arranged in sequence on the driving shaft in the casing, wherein the first-stage grinding hammer comprises a first hammer body fixedly connected to the driving shaft and a rectangular hammer head fixedly connected to the outer side of the first hammer body, an inclination angle between the rectangular hammer head and the first hammer body is 20-45 degrees, a grinding table arranged in the casing corresponding to the first-stage grinding hammer, the cross section of the grinding table is hollow trapezoid, and a plurality of cooling pipes are arranged on the inner side of the grinding table, the cooling pipe is connected with a cooling water tank outside the casing through a pipeline, a partition plate is arranged between the third-stage grinding hammer and the gas conveying device, a back grinding groove is arranged between the partition plate and the third-stage grinding hammer, the casing is further provided with a powder sorting chamber, the powder sorting chamber is connected with the gas conveying device through an arc sorting chamber channel, a direction adjusting partition plate is arranged at an outlet of the sorting chamber channel, a coarse powder return pipe is arranged between the powder sorting chamber and the second-stage grinding hammer, a coarse powder inlet is arranged between the coarse powder return pipe and the second-stage grinding hammer, the powder sorting chamber comprises a powder outlet, a screen is arranged between the sorting chamber channel and the powder outlet, the powder outlet is connected with a powder collecting chamber, and the powder collecting chamber comprises a powder collecting inlet and a discharge hole, the powder collecting device comprises a first-stage grinding hammer, a powder collecting inlet, an air outlet, a plurality of powder collecting plates, an air duct pipe and an air inlet, wherein the first-stage grinding hammer is arranged on the first-stage grinding hammer, the air outlet is opposite to the powder collecting inlet, the plurality of powder collecting plates are arranged between the powder collecting inlet and the air outlet, the air outlet is connected with the first-stage grinding hammer through the air duct pipe, and the air inlet is arranged.
Preferably, a regulating plate capable of moving up and down is arranged on one side of the coarse powder return pipe close to the powder sorting chamber.
Preferably, the second-stage grinding hammer comprises a second hammer body fixedly connected to the driving shaft, a hammer head support frame fixedly connected to the outer side of the second hammer body, and a cylindrical quadrangular hammer head rotatably connected with the hammer head support frame;
preferably, the third-stage grinding hammer comprises a third hammer body fixedly connected to the driving shaft, a hammer head base fixedly connected to the outer side of the third hammer body, a hammer head support rotatably connected to the hammer head base, and a cylindrical quadrangular hammer head rotatably connected to the hammer head support.
Preferably, the casing is provided with an air inlet control device at one side close to the feed hopper.
The traditional Chinese medicine raw material powder preparation device provided by the invention can enable traditional Chinese medicine raw materials to be ground, pressed, beaten and prepared into a whole in three-stage grinding. Through circulation air feed and the cooling of grinding table department, can avoid producing the high temperature among the repeated grinding process, can not produce dust exhaust pollution simultaneously, can make traditional chinese medicine raw materials can be ground and directly sieve out the traditional chinese medicine powder that satisfies the high number requirement moreover.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein,
FIG. 1 is a schematic structural diagram of an apparatus for preparing Chinese medicinal raw material powder according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a portion of the first stage grinding hammer of FIG. 1;
FIG. 3 is a schematic diagram of a portion of the second stage grinding hammer of FIG. 1;
fig. 4 is a partial structural view of the third stage grinding hammer shown in fig. 1.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings. Wherein like parts are given like reference numerals.
The structure and the principle of a Chinese medicinal raw material powder preparation apparatus according to the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a device for preparing a raw material powder of a chinese medicine according to an embodiment of the present invention, and fig. 2 is a schematic structural view of a portion of the first-stage grinding hammer shown in fig. 1. Referring to fig. 1-2, the apparatus for preparing traditional Chinese medicine raw material powder provided by the present invention comprises a casing 2 mounted on a frame 1, a driving shaft 3 penetrating the casing 2 and disposed on the frame 1, a driving wheel 4 disposed on the driving shaft 3, a feeding hopper 5 disposed on the casing 2, a first-stage grinding hammer 6, a second-stage grinding hammer 7, a third-stage grinding hammer 8 and an air transportation device 9 sequentially disposed on the driving shaft 3 in the casing 2, wherein the first-stage grinding hammer 6 comprises a first hammer body 61 fixedly connected to the driving shaft 3 and a rectangular hammer head 62 fixedly connected to the outer side of the first hammer body 61, and an inclination angle α between the rectangular hammer head 62 and the first hammer body 61 is 20-45 degrees; a grinding table 600 is arranged in the casing 2 corresponding to the first-stage grinding hammer 6, the cross section of the grinding table 600 is hollow trapezoid, a plurality of cooling pipes 601 are arranged inside the grinding table 600, the cooling pipes 601 are connected with a cooling water tank 602 outside the casing 2 through pipelines, a partition plate 10 is arranged between the third-stage grinding hammer 8 and the gas conveying device 9, a back grinding groove 11 is arranged between the partition plate 10 and the third-stage grinding hammer 8, the casing 2 is further provided with a powder sorting chamber 12, the powder sorting chamber 12 is connected with the gas conveying device 9 through an arc-shaped sorting chamber channel 121, an outlet of the sorting chamber channel 121 is provided with a direction adjusting partition plate 122, a coarse powder return pipe 13 is arranged between the powder sorting chamber 12 and the second-stage grinding hammer 7, a coarse powder inlet 131 is arranged between the coarse powder return pipe 13 and the second-stage grinding hammer 7, the powder sorting chamber 12 includes a powder outlet 123, a screen 124 is disposed between the sorting chamber channel 121 and the powder outlet 123, the powder outlet 123 is connected to a powder collecting chamber 200, the powder collecting chamber 200 includes a powder collecting inlet 201, a discharge port 202, and an air outlet 203 opposite to the powder collecting inlet 201, a plurality of powder collecting plates 204 are disposed between the powder collecting inlet 201 and the air outlet 203, the air outlet 203 is connected to the first-stage grinding hammer 6 through an air duct pipe 300, and an air inlet 301 is disposed between the air duct pipe 300 and the first-stage grinding hammer 6.
The driving wheel 4 rotates the driving shaft 3, and thus the first stage grinding hammer 6, the second stage grinding hammer 7, the third stage grinding hammer 8, and the gas transmission device 9 are rotated at a high speed. The power of the flowing of the traditional Chinese medicine powder is driven by the negative pressure generated by the operation of the gas transmission device 9 rotating at high speed, and the gas transmission device 9 can be a fan.
The feed hopper 5 is provided with an iron removal device 51. The iron removal device can adsorb and clear away follow metal debris in the traditional chinese medicine raw materials that feeder hopper 5 was carried avoids to cause the harm traditional chinese medicine raw materials powder preparation facilities.
Primarily cutting and crushing traditional Chinese medicine raw materials into fragments with the diameter of less than 2-3 cm, conveying the fragments into the traditional Chinese medicine raw material powder preparation device through the feed hopper 5, and performing primary grinding by the primary grinding hammer 6 to obtain coarse powder; then further secondary grinding is performed by the secondary grinding hammer 7; and further ground into a finer powder via the third stage grinding hammer 8. The diameter of the hollow through hole of the partition plate 10 is 1.4-3.5 times of that of the drive shaft 3, and a partition plate channel 101 is formed between the hollow through hole of the partition plate 10 and the drive shaft 3. The partition plate 10 primarily sorts the powder, the powder particles ground by the third stage grinding hammer 8 are under the action of centrifugal force, wherein thicker particles possibly existing in the powder particles are blocked back to the back grinding groove 11 by the partition plate 10, when the larger particles are blocked back, the powder particles can overflow from the back grinding groove 11 to the third stage grinding hammer 8 to be ground again, and the finer particles in the powder particles ground by the third stage grinding hammer 8 can enter the conveying chamber 91 through the partition plate channel 101 between the partition plate 10 and the driving shaft 3 and then can be conveyed to the powder sorting chamber 12 through the gas conveying device 9,
the sort chamber channel 121 of the powder sort chamber 12 is an arcuate channel such that particles entering the sort chamber channel 121 from the gas delivery chamber 91 will move with coarser particles against the outside of the sort chamber channel 121 and finer powder particles against the inside of the sort chamber channel 121 under centrifugal force.
A direction-adjusting partition plate 122 is provided at the outlet of the sorting chamber passage 121, the direction-adjusting partition plate 122 is also arc-shaped, and the direction-adjusting partition plate 122 can guide the particles moving from the sorting chamber passage 121 to the direction-adjusting partition plate 122 to the powder outlet 123. A screen 124 is disposed between the sorting chamber channel 121 and the powder outlet 123, that is, fine powder particles meeting the product requirements in the powder particles guided by the direction-adjusting partition wall 122 can be conveyed to the powder collecting chamber 200 through the screen 124 via the powder outlet 123, while coarser particles are blocked by the screen 124 and fall to the bottom of the powder sorting chamber 12, and coarser particles deposited at the bottom of the powder sorting chamber 12 can pass through the coarse powder return pipe 13 under the action of air pressure and return to the second stage grinding hammer 7 for re-grinding through the coarse powder inlet 131.
The powder collecting chamber 200 comprises a powder collecting inlet 201, a discharge outlet 202 and an air outlet 203 opposite to the powder collecting inlet 201, a plurality of powder collecting plates 204 are arranged between the powder collecting inlet 201 and the air outlet 203, the powder collecting plates 204 can be made of heavy stretched geotextile, the main purpose of the powder collecting plates is to intercept and filter a fine powder airflow with certain pressure output from the powder outlet 123, powder in the fine powder airflow is intercepted by the powder collecting plates 204 and falls to the bottom of the powder collecting chamber 200 so as to be collected from the discharge outlet 202, the filtered air airflow still has certain air pressure, the air outlet 203 is connected with the first-stage grinding hammer 6 through an air duct pipe 300, and an air inlet 301 is arranged between the air duct pipe 300 and the first-stage grinding hammer 6. The filtered air flow can enter the working space between the first-stage grinding hammer 6 and the grinding table 600 from the air inlet 301, which can help the first-stage grinding hammer 6 and the grinding table 600 to convey materials and help the traditional Chinese medicine raw material powder preparation device to cool down. In addition, because the air flow of the whole traditional Chinese medicine raw material powder preparation device is mostly recycled except that a small part of the air flow escapes from the feed hopper 5 and the discharge port 202, no waste gas is discharged basically, and thus no dust pollution is caused to the outside.
The diameter of the air inlet 301 is smaller than that of the air outlet 203, and the air inlet can be arranged right above the first-stage grinding hammer 6, so that the air flow output from the air inlet 301 can obtain a larger initial speed, and the air flow is more favorable for entering the traditional Chinese medicine raw material powder preparation device from the space between the first-stage grinding hammer 6 and the grinding table 600, and is also favorable for cooling the interior of the traditional Chinese medicine raw material powder preparation device.
The cross section of the grinding table 600 is a hollow trapezoid, a plurality of cooling pipes 601 are arranged inside the grinding table 600, and the cooling pipes 601 are connected to a cooling water tank 602 outside the housing 2 through pipes, so that the air flowing back from the air inlet 301 and the materials between the first grinding hammer 6 and the second grinding hammer 7 can be cooled through the outer wall of the grinding table 600, and the interior of the traditional Chinese medicine raw material powder preparation device can be cooled, so that the traditional Chinese medicine raw material powder preparation device does not overheat after continuously working for a long time.
The first-stage grinding hammer 6 comprises a first hammer body 61 fixedly connected to the driving shaft 3 and a rectangular hammer head 62 fixedly connected to the outer side of the first hammer body 61, and the inclination angle alpha between the rectangular hammer head 62 and the first hammer body 61 is 20-45 degrees; the surface of the grinding table 600 corresponding to the rectangular hammer head 62 also has an inclination angle of 20-45 degrees with the first hammer body 61, so that the pulverizing passage between the first-stage grinding hammer 6 and the grinding table 600 is an inclined passage obliquely directed to the direction of the driving shaft 3, and the powder particles ground by the first-stage grinding hammer 6 are firstly guided to the position of the driving shaft 3 and then spread to the outer side of the second-stage grinding hammer 7, thereby facilitating the cooling of the interior of the apparatus for preparing the raw material powder of traditional Chinese medicine by the air cooled by the grinding table 600, and enabling the powder particles ground by the first-stage grinding hammer 6 to spread more uniformly to the outer side of the second-stage grinding hammer 7 for further pulverization.
In a preferred embodiment, the coarse powder return pipe 13 is provided with an adjusting plate 132 which can move up and down on one side close to the powder sorting chamber 12. The adjusting plate 132 may be a partition plate which can move up and down and is adjusted by a solenoid valve, and functions to control the opening and closing degree of the coarse powder return pipe 13 by moving up and down, thereby controlling the coarse powder flow rate of the coarse powder return pipe 13. And because the open end of the adjusting plate 132 is located at the bottom of the powder sorting chamber 12 when it is opened and closed, the coarse powder particles at the bottom can enter the coarse powder return pipe 13 more easily.
FIG. 3 is a schematic diagram of a portion of the second stage grinding hammer of FIG. 1; fig. 4 is a partial structural view of the third stage grinding hammer shown in fig. 1. Referring to fig. 1 to 4, in a preferred embodiment, the second-stage grinding hammer 7 includes a second hammer body 71 fixedly connected to the driving shaft 3, a hammer head support 72 fixedly connected to an outer side of the second hammer body 71, and a cylindrical quadrangular-prism-shaped hammer head 73 rotatably connected to the hammer head support 72; the third-stage grinding hammer 8 comprises a third hammer body 81 fixedly connected to the driving shaft 3, a hammer head base 82 fixedly connected to the outer side of the third hammer body 81, a hammer head bracket 83 rotatably connected to the hammer head base 82, and a cylindrical quadrangular hammer head 73 rotatably connected to the hammer head bracket 83.
And a backstroke lining plate 15 is fixedly arranged at the position corresponding to the second-stage grinding hammer 7 and the third-stage grinding hammer 8 in the shell, and a certain gap is reserved between each stage of hammer head and the backstroke lining plate 15. Therefore, when the hammers at all stages rotate at high speed, materials are impacted at high speed between the hammers and the impact backing plate 15, and the grinding capacity is improved. And the impact lining plate 15 can be matched with the corresponding grinding hammer to flexibly adopt materials and shapes without strength, so that the crushing capacity of the grinding hammers at all levels on the materials can be conveniently controlled, and the traditional Chinese medicine raw material powder preparation device can be conveniently maintained.
It will be appreciated by those skilled in the art that the grinding table 600 may also be provided with a strike-back liner (not shown) corresponding to the first stage grinding 6.
The first, second, and third hammer bodies 61, 71, 81 may be flanges fixedly connected to the drive shaft 3. The first, second and third bodies 61, 71 and 81 may be of an integral disk-shaped structure without holes, so that the material can only pass through the space between the heads of the grinding hammers of each stage and the corresponding impact backing plate 15, and thus the material can be sufficiently ground.
The rectangular hammer head 62 can be a fixed rectangular manganese steel plate subjected to high-temperature wear-resistant treatment; this can satisfy the strength requirement of the primary pulverization.
The hammer head support frame 72 is fixedly connected to the outer side of the second hammer body 71, the cylindrical quadrangular prism-shaped hammer head 73 is rotatably connected with the hammer head support frame 72, the cylindrical quadrangular prism-shaped hammer head 73 can be cylindrical quadrangular high-temperature wear-resistant manganese steel, and when the second hammer body 71 is driven by the driving shaft 3 to rotate at a high speed, the cylindrical quadrangular prism-shaped hammer head 73 collides with material particles in the grinding process to enable the material particles to rotate around a mounting shaft, so that the grinding capacity of the second-stage grinding hammer 7 can be further enhanced.
The hammer head base 82 is fixedly connected to the outer side of the third hammer body 81, the hammer head support 83 is rotatably connected to the hammer head base 82, the hammer head support 83 can rotate around the mounting shaft, the cylindrical quadrangular hammer head 73 is rotatably connected to the hammer head support 83, the cylindrical quadrangular hammer head 73 can rotate around the mounting shaft, when the third hammer body 81 is driven by the driving shaft 3 to rotate at a high speed, on one hand, the cylindrical quadrangular hammer head 73 collides with material particles in the grinding process to enable the material particles to rotate around the mounting shaft, on the other hand, the hammer head support 83 collides with the material particles in the grinding process to enable the material particles to oscillate around the mounting shaft of the hammer head base 82, and therefore the grinding capacity of the third-stage grinding hammer 8 can be further enhanced.
In a preferred embodiment the feed hopper 5 is provided with feed control means 52. The material supply control device 52 can be a valve or a packing auger controlled by a variable frequency motor, so that the flow of the material entering the traditional Chinese medicine raw material powder preparation device can be controlled according to the yield requirement.
In a preferred embodiment, the housing 2 is provided with an air inlet control device 16 on a side close to the feeding hopper 5. The air inlet control device 16 can be an air door controlled by a limit switch, so that the working flow rate of the traditional Chinese medicine raw material can be conveniently and flexibly controlled by controlling the air inlet amount of the traditional Chinese medicine raw material powder preparation device.
The traditional Chinese medicine raw material powder preparation device provided by the invention can enable traditional Chinese medicine raw materials to be ground, pressed, beaten and prepared into a whole in three-stage grinding. Through circulation air feed and the cooling of grinding table department, can avoid producing the high temperature among the repeated grinding process, can not produce dust exhaust pollution simultaneously, can make traditional chinese medicine raw materials can be ground and directly sieve out the traditional chinese medicine powder that satisfies the high number requirement moreover.
It should be appreciated by those of skill in the art that while the present invention has been described in terms of several embodiments, not every embodiment includes only a single embodiment. The description is given for clearness of understanding only, and it is to be understood that all matters in the embodiments are to be interpreted as including technical equivalents which are related to the embodiments and which are combined with each other to illustrate the scope of the present invention.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent alterations, modifications and combinations can be made by those skilled in the art without departing from the spirit and principles of the invention.
Claims (2)
1. A traditional Chinese medicine raw material powder preparation device comprises a machine shell arranged on a frame, a driving shaft penetrating through the machine shell and arranged on the frame, driving wheels arranged on the driving shaft, and a feed hopper arranged on the machine shell, and is characterized in that the feed hopper is provided with an iron removal device, a first-stage grinding hammer, a second-stage grinding hammer, a third-stage grinding hammer and a gas transmission device are sequentially arranged on the driving shaft in the machine shell, the first-stage grinding hammer comprises a first hammer body fixedly connected to the driving shaft and a rectangular hammer head fixedly connected to the outer side of the first hammer body, the inclination angle between the rectangular hammer head and the first hammer body is 20-45 degrees, a grinding table is arranged in the machine shell corresponding to the first-stage grinding hammer, the cross section of the grinding table is hollow trapezoid, and a plurality of cooling pipes are arranged on the inner side of the grinding table, the cooling pipe is connected with a cooling water tank outside the casing through a pipeline, a partition plate is arranged between the third-stage grinding hammer and the gas conveying device, a back grinding groove is arranged between the partition plate and the third-stage grinding hammer, the casing is further provided with a powder sorting chamber, the powder sorting chamber is connected with the gas conveying device through an arc sorting chamber channel, a direction adjusting partition plate is arranged at an outlet of the sorting chamber channel, a coarse powder return pipe is arranged between the powder sorting chamber and the second-stage grinding hammer, a coarse powder inlet is arranged between the coarse powder return pipe and the second-stage grinding hammer, the powder sorting chamber comprises a powder outlet, a screen is arranged between the sorting chamber channel and the powder outlet, the powder outlet is connected with a powder collecting chamber, and the powder collecting chamber comprises a powder collecting inlet and a discharge hole, the powder collecting device comprises a first-stage grinding hammer, a powder collecting inlet, an air outlet, a plurality of powder collecting plates, an air duct pipe and an air inlet, wherein the first-stage grinding hammer is arranged on the first-stage grinding hammer, the air outlet is opposite to the powder collecting inlet, the plurality of powder collecting plates are arranged between the powder collecting inlet and the air outlet, the air outlet is connected with the first-stage grinding hammer through the air duct pipe, and the air inlet is arranged.
2. The apparatus for preparing Chinese medicinal raw material powder according to claim 1, wherein an adjusting plate is provided at a side of the coarse powder return pipe adjacent to the powder sorting chamber to be movable up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410549538.8A CN104437747B (en) | 2014-10-16 | A kind of raw material of Chinese medicine powder preparing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410549538.8A CN104437747B (en) | 2014-10-16 | A kind of raw material of Chinese medicine powder preparing unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104437747A true CN104437747A (en) | 2015-03-25 |
| CN104437747B CN104437747B (en) | 2017-01-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105903378A (en) * | 2016-04-26 | 2016-08-31 | 天津安之和合基因科技有限公司 | Traditional Chinese medicine compounding device |
| CN106492930A (en) * | 2016-11-10 | 2017-03-15 | 宜春万申制药机械有限公司 | A kind of medicine grinding screening all-in-one |
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| CN105903378A (en) * | 2016-04-26 | 2016-08-31 | 天津安之和合基因科技有限公司 | Traditional Chinese medicine compounding device |
| CN106492930A (en) * | 2016-11-10 | 2017-03-15 | 宜春万申制药机械有限公司 | A kind of medicine grinding screening all-in-one |
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