CN212441556U - Chinese herbal medicine dust collector in small, broken bits - Google Patents

Abstract

The utility model relates to a dust collector technical field in small, broken bits of chinese herbal medicine discloses a dust collector in small, broken bits of chinese herbal medicine. The device consists of an equipment bracket, and a primary crushing device, a dust removal device, a rotary screening device, a fine crushing device and a dust removal sealed fine material collecting bin which are arranged on the equipment bracket; the primary crushing device is communicated with the rotary screening device through a lower end inclined discharge hole; the rotary screening device and the primary crushing device are assembled in an inclined mode, and the rotary screening device is installed in an inclined mode; the dust removing device is respectively communicated with the primary crushing device on the left side and the dust removing sealed fine material collecting bin; the fine crushing device is coaxially arranged in the rotary screening device and rotates reversely; the dust-removing sealed fine material collecting bin is internally provided with a rotary screening device and a fine crushing device, the upper part of the dust-removing sealed fine material collecting bin is communicated with the dust-removing device, and a star-shaped discharger is arranged on a cone at the lower end of the dust-removing sealed fine material collecting bin. The process device has the advantages of continuous and compact process, simple equipment, easy operation, good dust removal effect, fine and uniform powder, low production cost and suitability for configuration and use of powder Chinese herbal medicines in hospitals.

Description

Chinese herbal medicine dust collector in small, broken bits

The technical field is as follows:

the utility model relates to a dust collector technical field in small, broken bits of chinese herbal medicine, concretely relates to dust collector in small, broken bits of chinese herbal medicine.

Background art:

in daily life, a patient often crushes Chinese herbal medicines by simple crushing devices such as a household grinding groove in the process of soaking and drinking the Chinese herbal medicines, and a hospital often crushes the Chinese herbal medicines by a crushing device to achieve a very fine degree, so that the brewing property is improved, but the defects of time and labor waste, low efficiency and inconvenient management are overcome.

The invention content is as follows:

the utility model aims at providing a simple and easy efficient chinese herbal medicine dust collector in small, broken bits is particularly suitable for the configuration of hospital to powder chinese herbal medicine and uses, removes dust through this process units to chinese herbal medicine regrinding, screening separation and suction, easily prepares out the clean chinese herbal medicine powder that the particle diameter is below 2mm, and the patient of being convenient for drinks.

The utility model adopts the technical proposal as follows:

a Chinese herbal medicine fine crushing dust removal device comprises an equipment bracket 1, and a primary crushing device 3, a dust removal device 4, a rotary screening device 5, a fine crushing device 6 and a dust removal sealed fine material collecting bin 7 which are arranged on the equipment bracket 1; the primary crushing device 3 is communicated with the rotary screening device 5 through a lower end inclined discharge hole; the rotary screening device 5 and the primary crushing device 3 are assembled in an inclined mode, the primary crushing device 3 is vertically installed, and the rotary screening device 5 is installed in an inclined mode; the dust removal device 4 is respectively communicated with the primary crushing device 3 on the left side and the dust removal sealed fine material collecting bin 7; the rotary screening device 5 is obliquely arranged in the dust removal sealed fine material collecting bin 7, and the main part of the rotary screening device 5 is a rotary screening chamber 55 and a rotary screening chamber cavity shell 555; the fine crushing device 6 is coaxially arranged in the rotary screening device 5, and the fine crushing device 6 and the rotary screening device 5 rotate in opposite directions; the dust-removing sealed fine material collecting bin 7 is internally provided with a rotary screening device 5 and a fine crushing device 6 which are relatively independent sealed spaces, the upper part of the dust-removing sealed fine material collecting bin is communicated with the dust-removing device 4, the lower end of the dust-removing sealed fine material collecting bin is a cone, and a star-shaped discharger 8 is arranged on the lower end of the dust-removing sealed fine material collecting bin.

The primary crushing device 3 is internally provided with a primary crushing chamber upper cavity, a primary crushing chamber middle cavity and a primary crushing chamber lower cavity, and 3 cavities are communicated in a penetrating way; the top of the upper cavity of the primary crushing chamber is provided with a V-shaped feeding hole; a pair of knife rolls are arranged in a cavity in the middle of the primary crushing chamber, one knife roll of the pair of knife rolls is a star-shaped driving knife roll, the other knife roll of the pair of knife rolls is a star-shaped driven knife roll, and the star-shaped driving knife roll is connected with a star-shaped driving knife roll transmission motor; an inclined material collecting base is arranged at the bottom of the lower cavity of the primary crushing chamber, an inclined material discharging port is formed in the inclined material collecting base, the material discharging port is connected with a material feeding port of the rotary screening device 5, and a rotating shaft of the rotary screening device 5 penetrates through the material discharging port coaxially; two pairs of carrier roller sets are arranged in a cavity at the upper part of a primary crushing chamber of the primary crushing device 3, one pair of carrier roller sets is a driving carrier roller set, the other pair of carrier roller sets is a driven carrier roller set, driving carrier roller set conveying belts and driven carrier roller set conveying belts are respectively arranged on the driving carrier roller set and the driven carrier roller set, and the driving carrier roller set and the driven carrier roller set are arranged in a V shape and matched with a V-shaped feeding hole of the cavity at the upper part of the primary crushing chamber; the driving carrier roller group is connected with a driving carrier roller group transmission motor; a feeding port cover plate is arranged on the V-shaped feeding port; a rack is arranged between the upper cavity of the primary crushing chamber and the middle cavity of the primary crushing chamber; and W-shaped stainless steel screen meshes are arranged below the star-shaped driving knife roller and the star-shaped driven knife roller which are arranged in the cavity in the middle of the primary crushing chamber.

The rotary screening device 5 is arranged in the middle of the equipment, is obliquely arranged on the equipment bracket 1 and mainly comprises a No. 1 bearing support, a No. 1 rotating shaft and a rotary screening chamber; the 1# rotating shaft is supported and fixed on the equipment bracket 1 through a 1# bearing support; the left end of the No. 1 rotating shaft coaxially penetrates through an L-shaped discharge hole of the primary crushing device 3; the left end of the No. 1 rotating shaft is connected to a No. 1 bearing support arranged on the equipment support 1 through a No. 1 bearing, and the left tail end of the No. 1 rotating shaft is provided with a No. 1 transmission motor; the right end of the No. 1 rotating shaft is installed in a No. 2 bearing sleeve through a No. 2 bearing, the No. 2 bearing sleeve is fixedly connected with one end of a No. 2 bearing sleeve star-shaped support, and the other end of the No. 2 bearing sleeve star-shaped support is vertically and fixedly connected with a circumferential fixed reinforcing rib of the rotary screening chamber screen; the No. 1 rotating shaft is arranged in the rotary screening chamber, a No. 1 rotating shaft star-shaped support is vertically arranged on the No. 1 rotating shaft, and the No. 1 rotating shaft star-shaped support is vertically and fixedly connected with the circumferential screen fixing reinforcing ribs of the rotary screening chamber; the rotary screening chamber cavity shell is a cylinder, a framework of the rotary screening chamber cavity shell is formed by combining a circumferential fixed reinforcing rib of a rotary screening chamber screen and an axial fixed reinforcing rib of the rotary screening chamber screen, the screen is a stainless steel screen, the screen is fixed on the circumferential fixed reinforcing rib of the rotary screening chamber screen on the inner side of the framework, the axial fixed reinforcing rib of the rotary screening chamber screen is arranged on the outer wall of the screen, a rack is axially arranged on the circumferential fixed reinforcing rib of the rotary screening chamber screen, a flange is welded at the right end of the axial fixed reinforcing rib of the rotary screening chamber screen, a screw hole is formed in the flange, and a rear baffle of the rotary screening chamber is fixed by screws.

The fine crushing device 6 is arranged at the right part of an inner cavity of the rotary screening chamber and comprises a rotating shaft and a fine crushing cutter group, a static fit shaft sleeve is arranged at the right part of the rotating shaft, the shaft sleeve penetrates through a rear baffle plate of the rotary screening chamber and is in movable fit with the rear baffle plate of the rotary screening chamber, the right end of the rotating shaft is connected with a transmission motor through a coupling, the rotating shaft is arranged on the equipment support 1 through two sets of bearings and bearing seats, the fine crushing cutter is assembled on the rotating shaft and is driven by a shaft key, an initial positioning baffle plate is arranged at the right end of the fine crushing cutter group, then the fine crushing cutters are arranged, a; the fine crushing cutter consists of shearing blades and blades circumferentially distributed fixing plates.

The dust removal device 4 removes dust of the primary crushing device 3 and removes dust of the dust removal sealed fine material collecting bin 7, and comprises a secondary air exhaust main pipe vertically arranged on the outer right side of the primary crushing device 3 and a secondary air exhaust main pipe horizontally arranged on the outer upper end of the dust removal sealed fine material collecting bin 7, wherein 3-5 secondary air exhaust branch pipes are respectively and uniformly welded on the secondary air exhaust main pipe in a vertical and uniform manner, the tail ends of the secondary air exhaust branch pipes respectively extend to 20mm cavities of the primary crushing device 3 and the dust removal sealed fine material collecting bin 7, and a suction air cap is respectively arranged at the tail ends of the secondary air exhaust branch pipes and is arranged on the inner right side part of the primary crushing device 3 and the inner upper side part of the dust removal sealed fine material collecting; an opening in the middle of the secondary air exhaust main pipe is welded and communicated with one end of an air exhaust pipe of the buffer air bag, and the other end of the air exhaust pipe of the buffer air bag is communicated with the buffer air bag; the other end of the buffer air bag is sequentially connected with a fan inlet air draft main pipe, a control valve, an induced draft fan, an exhaust dust exhaust pipe and a dust washing water tank.

The rotary screening device 5 and the fine crushing device 6 are coaxially arranged in the dust removal sealed fine material collecting bin 7 and are of an inner-wrapping structure, the rotating directions are opposite, a fine crushing cutter group 69 rotating on the main body part of the fine crushing device 6 is wrapped in a screening chamber 55 of the rotary screening device 5 and is a relative closed cavity, and the motor transmission part is arranged at the left end and the right end outside the closed cavity.

Because above-mentioned technical scheme's application, the utility model has the advantages of it is following and positive effect:

(1) the Chinese herbal medicine raw materials are smashed step by step, the obtained powder is uniform in granularity, energy is saved, the Chinese herbal medicine raw materials are sheared by a star-shaped knife roller of a primary smashing device, the roller is not wound, the Chinese herbal medicine raw materials are easily smashed into coarse materials with the particle size of less than 10mm, the fine sand and stone soil adhered to the surface can be conveniently stripped, finely crushed and sucked, dust is easily separated from the coarse materials, and the defect that the Chinese herbal medicine is difficult to separate due to the fact that the Chinese herbal medicine is smashed too fine is.

(2) The dust removal device is a micro negative pressure type suction device which provides power for the draught fan, the primary crushing device and the dust removal sealed fine material collecting bin are respectively sucked and removed, the dust content of the obtained Chinese herbal medicine crushed materials is low, the dust removal rate can reach about 80%, the subsequent utilization of the Chinese herbal medicine powder is facilitated, and meanwhile, the pollution to operators and the environment is avoided.

(3) The Chinese herbal medicine initial crushing material passes through the inclined and rotating screening device, so that the material is conveniently scattered and slowly moved downwards, and the screening and grading separation are more thorough.

(4) The fine crushing device is arranged in the screening device, the appearance of the fine crushing device is integrated, but the rotating directions of the fine crushing device and the screening device are opposite, the fine crushing device and the screening device can be mutually coupled and have a compact structure, the fine crushing device utilizes a shearing cutter rotating at a high speed to shear the coarse materials with the thickness of 2-10 mm, which are not sieved, in a staggered manner to shear the coarse materials with the thickness of less than 2mm, the crushing and screening of the Chinese herbal medicines are more thorough, and the sieving rate of the fine materials is 100%.

In a word, the process device has the advantages of continuous and compact process, simple equipment, easy operation, good dust removal effect, fine and uniform powder, low production cost and suitability for configuration and use of powder Chinese herbal medicines in hospitals.

Description of the drawings:

the technical scheme of the utility model is further explained by combining the attached drawings as follows:

FIG. 1 is a diagram of a process apparatus of the present invention;

in FIG. 1, 1-equipment rack; 2-Chinese herbal medicine to be crushed; 3-a primary crushing device; 4-a dust removal device; 5-rotating the screening device; 6-a fine crushing device; 7-dust removal sealed fine powder collecting bin; 8-star discharger.

FIG. 2 is a schematic front sectional view of the primary crushing apparatus 3 of the present invention;

in FIG. 2, 1-equipment rack; 2-Chinese herbal medicine to be crushed; 301-cover plate of feed hopper; 302- "V" type feed hopper; 303-driven carrier roller group; 304-driven idler set conveyor belt; 305-upper cavity of primary crushing chamber; 306-the middle cavity of the primary crushing chamber; 307-star-shaped driven knife roll; 308-primary crushing chamber lower cavity; 309-discharge hole; 310-star-shaped driving knife roll; 311- "W" type stainless steel screen mesh; 312-rack one; 313-driving carrier roller group conveying belt; 314-active carrier roller set; 4-dust removal device.

FIG. 3 is a cross-sectional view A-A of FIG. 2;

in FIG. 3, 1-equipment rack; 2-Chinese herbal medicine to be crushed; 301-cover plate of feed hopper; 302- "V" type feed hopper; 303-driven carrier roller group; 304-driven idler set conveyor belt; 305-upper cavity of primary crushing chamber; 306-the middle cavity of the primary crushing chamber; 307-star-shaped driven knife roll; 308-primary crushing chamber lower cavity; 309-discharge hole; 311- "W" type stainless steel screen mesh; 312-rack one; 315-star driving knife roller transmission motor; 316-driving carrier roller group driving motor; 317-drive carrier roller group drive belt.

FIG. 4 is a schematic view showing the assembly positions of the dust collector 4, the primary crushing device 3 and the dust collection sealed fine powder collecting bin 7;

in FIG. 4, 1-equipment rack; 3-a primary crushing device; 401-dust washing water tank; 402-fan outlet exhaust dust exhaust pipe; 403-induced draft fan; 404-a draught fan inlet exhaust pipe and a control valve; 405-a buffer gas bag; 406-buffer air bag exhaust tube I; 406-1-control valve of air exhaust pipe I; 406-2-secondary air exhaust manifold of air exhaust pipe I; secondary air exhaust branch pipe No. 406-3-1; no. 406-4-1 suction hood; 407-buffer air bag exhaust pipe II; 407-1-control valve of air extraction pipe II; 407-2-secondary air exhaust main pipe of the air exhaust pipe II; 407-3-2# secondary air exhaust branch pipe; 407-4-2# suction hood; 7-dust removal sealed fine powder collecting bin; 8-star discharger.

Fig. 5 is a schematic view of the front-view position assembly of the rotary sieving device 5 and the fine crushing device 6 of the present invention;

FIG. 5, 1-equipment rack; 51-1# drive motor; 52A-1# bearing; 52B-2# bearing I; 53A-1# bearing support; 53B-2# bearing bush; 54-1# rotating shaft; 55-a rotary sieving chamber; 551-rotating sizing chamber feed baffle; 552-1# rotating shaft star-shaped bracket; 553-2# bearing sleeve spider; 554-rack two; 555-a rotary sieving chamber cavity housing; 556-stainless steel mesh; 557-flanging; 61-2# drive motor; a second 62-2# bearing; 63-2# bearing support; 64-a coupling; 65-3# bearing; 66-3# bearing support; 67-shaft sleeve; 68-rotating the sifting chamber backplate; 69-fine crushing cutter group; 691-starting positioning baffle of fine crushing cutter group; 692-fine crushing cutters; 693-backing plate between knives; 694-2# Pivot; 695-fine crushing cutter group end positioning baffle; 696 nut.

FIG. 6 is a cross-sectional view A-A of FIG. 5;

in fig. 6: 554-rack two; 555-a rotary sieving chamber cavity housing; 556A-stainless steel screen; 557-flanging; 557-1-screw hole; 692-1-shear blade; 692-2-shear blades circumferentially distributed fixed plates; 694-2# Pivot; 694-1-axis bond.

FIG. 7 is a skeleton axonometric view of the rotary sifting apparatus (5) of the present invention;

in FIG. 7: 1-equipment support; 51-1# drive motor; 52A-1# bearing; 53A-1# bearing support; 53B-bearing bush support; 54-1# rotating shaft; 551-rotating sizing chamber feed baffle; 552-1# rotating shaft star-shaped bracket; 553-2# bearing sleeve spider; 554-rack two; 555-a rotary sieving chamber cavity housing; 557-flanging; 557-1-screw hole; 558-axially fixing reinforcing ribs on the screen of the rotary sieving chamber; 559-the sieve of the rotary sieving chamber has reinforcing ribs fixed around the circumference.

Fig. 8 is an isometric view of the rotary screening apparatus (5) of the present invention;

in fig. 8: 1-equipment support; 51-1# drive motor; 52A-1# bearing; 53A-1# bearing support; 54-1# rotating shaft; 551-rotating sizing chamber feed baffle; 556A-stainless steel diamond or square mesh screen; 556B-stainless steel punched small round hole shaped screen; 557-flanging; 557-1-screw hole; 558-axially fixing reinforcing ribs on the screen of the rotary sieving chamber; 559-the reinforcing ribs are fixed circumferentially on the screen of the rotary screening chamber.

Fig. 9 is a front view of the fine crushing device 6 of the present invention;

in fig. 9: 1-equipment support; 61-2# drive motor; a second 62-2# bearing; 63-2# bearing support; 64-a coupling; 65-3# bearing; 66-3# bearing support; 67-shaft sleeve; 68-rotating the sifting chamber backplate; 69-fine crushing cutter group; 691-starting positioning baffle of fine crushing cutter group; 692-fine crushing cutters; 693-backing plate between knives; 694-2# Pivot; 695-fine crushing cutter group end positioning baffle; 696 nut.

FIG. 10 is a cross-sectional view A-A of FIG. 9;

in fig. 10: 68-rotating the sifting chamber backplate; 681-screw holes; 692-1-shear blade; 692-2-shear blades circumferentially distributed fixed plates; 693-backing plate between knives; 694-rotating shaft; 694-1-axis bond.

Fig. 11 is a schematic structural view of a fine crushing cutter 692 of the fine crushing device 6 of the present invention;

in fig. 11: 692-1-shear blade; 692-2-shear blades circumferentially distributed fixed plates; 692-3-shaft through hole; 692-4-keyway.

FIG. 12 is a cross-sectional view A-A of FIG. 11;

in fig. 12: 692-1-shear blade; 692-2-shear blades circumferentially distributed fixed plates; 692-3-shaft through hole.

The specific implementation mode is as follows:

in order to make the technical solutions, creation features, achievement objectives and functions of the present invention easy to understand, the following detailed description of the present invention is provided in conjunction with the accompanying drawings.

The utility model discloses a process units theory of operation and operating procedure, concrete process are as follows:

(1) coarse crushing of Chinese herbal medicines: the coarse crushing of the Chinese herbal medicines is carried out in a primary crushing device 3; the primary crushing device 3 is internally provided with three cavities, namely a primary crushing chamber upper cavity 305, a primary crushing chamber middle cavity 306 and a primary crushing chamber lower cavity 308 which are communicated; the top of the cavity 305 at the upper part of the primary crushing chamber is provided with a V-shaped feeding hole 302; a pair of knife rolls are arranged in the middle cavity 306 of the primary crushing chamber, one knife roll of the pair of knife rolls is a star-shaped driving knife roll 310, the other knife roll of the pair of knife rolls is a star-shaped driven knife roll 307, and the star-shaped driving knife roll 310 is connected with a star-shaped driving knife roll transmission motor 315; an inclined material collecting base is arranged at the bottom of the lower cavity 308 of the primary crushing chamber, an inclined material outlet 309 is arranged on the inclined material collecting base, the material outlet 309 is L-shaped, the material outlet 309 is connected with a material inlet of the rotary screening device 5, and the No. 1 rotating shaft 54 of the rotary screening device 5 coaxially penetrates through the material outlet 309 of the primary crushing device 3; two pairs of carrier roller sets are arranged in an upper cavity 305 of a primary crushing chamber of the primary crushing device 3, one pair of carrier roller sets is a driving carrier roller set 314, the other pair of carrier roller sets is a driven carrier roller set 303, driving carrier roller set conveying belts 313 and driven carrier roller set conveying belts 304 are respectively arranged on the driving carrier roller set 314 and the driven carrier roller set 303, and the driving carrier roller set 314 and the driven carrier roller set 303 are arranged in a V shape and matched with a V-shaped feeding port 302 of the upper cavity of the primary crushing chamber; the driving carrier roller group 314 is connected with a driving carrier roller group transmission motor 316 through a driving carrier roller group transmission belt 317; a feed inlet cover plate 301 is arranged on the V-shaped feed inlet 302; a first rack 312 is arranged between the upper cavity 305 of the primary crushing chamber and the middle cavity 306 of the primary crushing chamber; and a W-shaped stainless steel screen mesh 311 is arranged below the star-shaped driving knife roller 310 and the star-shaped driven knife roller 307 which are arranged in the middle cavity 306 of the primary crushing chamber.

When in use, after a certain amount of Chinese herbal medicine raw materials 2 to be processed are naturally air-dried, the Chinese herbal medicine raw materials are manually fed, enter an upper cavity 305 of a primary crushing chamber from an upper V-shaped feed inlet 302 of a primary crushing device 3, are covered by a feed inlet cover plate 301, are clamped in a V-shaped space formed by a pair of carrier roller group conveyor belts which are arranged on the left side and the right side of the upper cavity 305 and are composed of a driving carrier roller group 314 and a driven carrier roller group 303 and drive a pair of carrier roller group conveyor belts with concave-convex surfaces and composed of a driving carrier roller group conveyor belt 313 and a driven carrier roller group conveyor belt 304, the driving carrier roller group 314 drives a driving carrier roller group drive belt 317 to rotate at the speed of 10-20 r/min by a driving carrier roller group drive motor 316, and are subjected to downward friction force in the V-shaped space formed by the driving carrier roller group conveyor belt 313 and the driven carrier roller group, The star-shaped knife roller groups composed of star-shaped driven knife rollers 307 are sheared and crushed, the star-shaped driving knife roller 310 is driven to rotate by a star-shaped driving knife roller driving motor 315 at the rotating speed of 60-120 r/min, part of Chinese herbal medicines which are not completely sheared and crushed are brought into a W-shaped space at the lower end of the star-shaped knife roller group and are secondarily stirred and stressed by star-shaped blades on the star-shaped knife roller group, shearing and crushing again under the combined action of the first gear rack 312 horizontally arranged at the upper end of the middle cavity 306 of the primary crushing chamber, enabling crushed materials to fall onto a W-shaped stainless steel screen 311 with the aperture of 5-8 mm, which is fixed in the middle cavity 306 of the primary crushing chamber, at the lower end of the star-shaped cutter roller group, falling into the lower cavity 308 of the primary crushing chamber after being screened by the W-shaped stainless steel screen 311, and discharged into the rotary screening device 5 and the fine crushing device 6 through an L-shaped discharge port 309 to perform secondary crushing and screening on the separated materials. In this process, the dust collector 4 sucks and removes dust generated in the primary crushing device 3, and the dust enters the dust washing water tank 401, and the dust removal is described below.

(2) Secondary crushing and screening separation of the coarse crushed materials: the secondary crushing and screening separation of the coarse crushed materials are carried out in a rotary screening device 5 and a fine crushing device 6; the rotary screening device 5 is arranged in the middle of the equipment, is obliquely arranged on the equipment bracket 1, and mainly comprises a 1# bearing support 53A, a 1# rotating shaft 54 and a rotary screening chamber 55; the # 1 rotating shaft 54 is supported and fixed on the equipment bracket 1 through a # 1 bearing support 53A; the left end of the 1# rotating shaft 54 coaxially penetrates through a discharge hole 309 of the primary crushing device 3; the left end of the No. 1 rotating shaft 54 is connected to a No. 1 bearing support 53A arranged on the equipment bracket 1 through a No. 1 bearing 52A, and the left tail end of the No. 1 rotating shaft 54 is provided with a No. 1 transmission motor 51; the right end of the No. 1 rotating shaft 54 is installed in a No. 2 bearing sleeve 53B through a No. 2 bearing 52B, the No. 2 bearing sleeve 53B is fixedly connected with one end of a No. 2 bearing sleeve star-shaped support 553, and the other end of the No. 2 bearing sleeve star-shaped support 553 is vertically and fixedly connected with a circumferential fixed reinforcing rib 559 of a screen of the rotary screening chamber; the 1# rotating shaft 54 is arranged in the left section of the rotary screening chamber 55 and extends to 1/4, a 1# rotating shaft star-shaped support 552 is vertically arranged on the 1# rotating shaft 54, and the 1# rotating shaft star-shaped support 552 is vertically and fixedly connected with a circumferential fixing reinforcing rib 559 of a screen of the rotary screening chamber; the rotary screening chamber cavity shell 555 is cylindrical, a framework of the rotary screening chamber cavity shell is formed by combining a circumferential fixed reinforcing rib 559 of a rotary screening chamber screen and an axial fixed reinforcing rib 558 of the rotary screening chamber screen, the screen is a stainless steel screen 556, the stainless steel screen 556 is fixed on the circumferential fixed reinforcing rib 559 of the rotary screening chamber screen on the inner side of the framework, the outer wall of the stainless steel screen 556 is provided with the axial fixed reinforcing rib 558 of the rotary screening chamber screen, a rack II 554 is axially arranged on the circumferential fixed reinforcing rib 559 of the rotary screening chamber screen, the right end of the axial fixed reinforcing rib 558 of the rotary screening chamber screen is welded with a flange 557, the flange is provided with a screw hole 557-1, and the rotary screening chamber rear baffle 68 is fixed by screws;

the fine crushing device 6 is arranged at the right part of the inner cavity of the rotary screening chamber 55 and comprises a 2# rotating shaft 694 and a fine crushing cutter group 69, the right part of the 2# rotating shaft 694 is provided with a shaft sleeve 67, the shaft sleeve 67 penetrates through a rear baffle 68 of the rotary screening chamber and is in movable fit with the rear baffle 68 of the rotary screening chamber, the right end of the 2# rotating shaft 694 is connected with a 2# transmission motor 61 through a coupling 64, the 2# rotating shaft 694 is arranged on the equipment bracket 1 through two sets of bearings and bearing seats, namely a 2# bearing II 62, a 2# bearing support 63, a 3# bearing 65 and a 3# bearing support 66, the fine crushing cutter group 69 is arranged on the 2# rotating shaft 694 and is driven by a shaft key 694-1, the right end of the fine crushing cutter group 69 is provided with a fine crushing cutter group initial positioning baffle 691, then fine crushing cutters 692 are arranged, a backing plate 693 between the cutters; the fine crushing cutters 692 are composed of shear blades 692-1 and blade circumferential distribution fixing plates 692-2;

the rotary screening device 5 and the fine crushing device 6 are coaxially arranged in the dust removal sealed fine material collecting bin 7 to form an inner wrapping structure, the appearance of the rotary screening device 5 and the fine crushing device 6 are of an integral structure, motor transmission parts of the rotary screening device 5 and the fine crushing device 6 are respectively arranged at the left end and the right end of the integral structure, the transmission parts are mutually independent, and the rotating directions are opposite; the main body portion of the fine crushing device 6 is a rotary fine crushing cutter group 69, and the rotary fine crushing cutter group 69 is disposed in the right section portion of the rotary sifting chamber 55 and occupies three quarters of the total length of the rotary sifting chamber 55;

the dust-removing sealed fine material collecting bin 7 is internally provided with a rotary screening device 5 and a fine crushing device 6 which are relatively independent and closed spaces, the upper part of the dust-removing sealed fine material collecting bin is communicated with the dust-removing device 4, the lower end of the dust-removing sealed fine material collecting bin is a cone, and a star-shaped discharger 8 is arranged on the lower end of the dust-removing sealed fine material collecting bin.

When in use, coarse crushed materials with the particle size of less than 10mm obtained after the primary crushing and dust removal of Chinese herbal medicines are discharged by the self weight of the L-shaped discharge port 309 at the bottom of the primary crushing device 3, fall into the left end feed port of the rotary sieving chamber 55 of the rotary sieving device 5 which is arranged in an inclined way and enter the drum-type rotary sieving chamber 55, the 1# transmission motor 51 is connected with the 1# rotating shaft 54 to rotate, the 1# rotating shaft 54 drives the 1# rotating shaft star-shaped bracket 552 fixed on the 1# rotating shaft to rotate, the 1# rotating shaft star-shaped bracket 552 drives the sieving chamber 55 fixed on the bracket to rotate, materials rotate and centrifugally fall in the rotary sieving chamber 55 and move downwards, and are contacted with the reversely rotating fine crushing cutter group 69 of the fine crushing device 6 arranged in the rear section of the rotary sieving chamber 55 from left to right 1/4 coaxially, and are subjected to secondary shearing crushing, the fine materials pass through the rotary sieving chamber shell 555 which is made of the stainless steel sieve 556 and has a given aperture and is arranged in the, the coarse materials pass through the screening holes which are not more than 2mm in the shell 555 of the rotary screening chamber and fall into the dust removal sealed fine material collecting bin 7 right below for collecting, meanwhile, the coarse materials continue to be centrifugally thrown and moved downwards, and continue to be in contact with the reverse rotary shearing cutter group 69 of the fine crushing device 6 and the rack II 554 fixed on the cavity of the rotary screening chamber 55 and are sheared and crushed in a staggered mode until the coarse materials are all cut into fine materials and all pass through the screening holes of the drum-type rotary screening chamber 55 to be collected into the dust removal sealed fine material collecting bin 7 right below, the secondary crushing and screening separation process is finished, and when the collection materials in the dust removal sealed fine material collecting bin 7 reach a half bin, the star-shaped discharger 8 below the collecting bin 7 is opened for discharging and conveying away. Meanwhile, in the process, the upper part of the dust removal sealed fine material collecting bin 7 of the inner bag rotary screening chamber 55 is communicated with the dust removal device 4, a small amount of residual dust in the dust removal sealed fine material collecting bin 7 is removed by suction of the dust removal device 4, and the dust enters the dust washing water tank 401, which is described in detail by the following dust removal system.

(3) Crushing and dedusting: the dust removal device 4 removes dust of the primary crushing device 3 and removes dust of the dust removal sealed fine material collecting bin 7, and comprises an exhaust tube I secondary exhaust main 406-2 vertically arranged on the outer right side of the primary crushing device 3 and an exhaust tube II secondary exhaust main 407-2 horizontally arranged on the outer upper end of the dust removal sealed fine material collecting bin 7, wherein 3-5 No. 1 secondary exhaust branch tubes 406-3 and No. 2 secondary exhaust branch tubes 407-3 are respectively and vertically and uniformly welded on the exhaust tube I secondary exhaust main 406-2 and the exhaust tube II secondary exhaust main 407-2, the tail ends of the No. 1 secondary exhaust branch tubes 406-3 and the No. 2 secondary exhaust branch tubes 407-3 respectively extend to the inner cavities of the primary crushing device 3 and the dust removal sealed fine material collecting bin 7 by 20mm, and No. 1 suction air caps 406-4 and No. 2 suction air caps 407-4 are respectively arranged at the tail ends of the exhaust tube I secondary exhaust main 406-2 and, the No. 1 suction hood 406-4 is arranged at the right side part in the primary crushing device 3, and the No. 2 suction hood 407-4 is arranged at the upper side part in the dust removal sealed fine material collecting bin 7; an opening at the middle position of the secondary air exhaust main pipe 406-2 of the air exhaust pipe I is communicated with one end of the buffer air bag air exhaust pipe I406 in a welding manner, and the other end of the buffer air bag air exhaust pipe I406 is communicated with the buffer air bag 405; an opening at the middle position of the secondary air exhaust main pipe 407-2 of the air exhaust pipe II is welded and communicated with one end of the buffer air bag air exhaust pipe II407, and the other end of the buffer air bag air exhaust pipe II407 is communicated with the buffer air bag 405; the other end of the buffer air bag 405 is also sequentially connected with a fan inlet air draft main pipe and control valve 404, an induced draft fan 403, an extension outlet air exhaust and dust exhaust pipe 402 and a dust washing water tank 401.

When the dust removal device is used, the dust removal device 4 respectively performs suction and dust removal on the crushing device 3 and the dust removal sealed fine material collecting bin 7, so that dust removal is more thorough. The following are distinguished: in the primary crushing process of the Chinese herbal medicines, a draught fan 403 of a dust removal device 4 provides negative pressure gas, the negative pressure gas passes through a draught air inlet, an air exhaust pipe and a control valve 404 from near to far, a buffer air bag 405, a buffer air bag exhaust pipe I406, an exhaust pipe I control valve 406-1, a secondary air exhaust main pipe 406-2 of the exhaust pipe I, 3-5 # secondary air exhaust branch pipes 406-3 which are uniformly distributed on the secondary air exhaust main pipe 406-2 of the exhaust pipe I, and a # 1 suction hood 406-4 which is connected on the # 1 secondary air exhaust branch pipes 406-3 and is arranged in a primary crushing device 3, and finally dust in a crushing cavity of the primary crushing device 3 is sucked into the draught fan 403 and further discharged from an exhaust port of the draught fan 403, and is introduced into a dust washing water tank 401 through an exhaust and dust exhaust pipe 402 of an outlet of the draught fan for water absorption; similarly, in the process of secondarily crushing the Chinese herbal medicines and screening the separated crushed materials by the rotary screening device 5 and the fine crushing device 6, and the separated fine materials fall into the dust removal sealed fine material collection bin 7, the induced draft fan 403 of the dust removal device 4 provides negative pressure gas, the negative pressure gas passes through the fan inlet exhaust pipe and the control valve 404, the buffer gas bag 405, the buffer gas bag exhaust pipe II407, the exhaust pipe II control valve 407-1, the secondary exhaust main pipe 407-2 of the exhaust pipe II, 3 to 52 # secondary exhaust branch pipes 407-3 uniformly distributed on the secondary exhaust main pipe 407-2 of the exhaust pipe II, the 2# suction air cap 407-4 connected on the 2# secondary exhaust branch pipe 407-3 and arranged on the upper cavity of the dust removal sealed fine material collection bin 7, and finally the dust collection bin 7, the screening device 5 and the fine crushing device 6 are sucked into the induced draft fan 403, and further discharged from an exhaust port of an induced draft fan 403, and introduced into a dust washing water tank 401 through an exhaust and dust discharge pipe 402 at the outlet of the induced draft fan for water absorption.

The specific implementation effect is as follows:

example 1 folium Artemisiae Argyi Chinese herbal medicine fine crushing and dedusting

Taking folium artemisiae argyi Chinese herbal medicine as an example, before crushing, 1000g of air-dried folium artemisiae argyi raw material is taken, washed for 3 times by clear water, the total water consumption is 5L, and the washing water is evaporated and dried to obtain impurities containing silt with the net weight of about 35 g; the folium artemisiae argyi raw materials are not cleaned, after the folium artemisiae argyi raw materials are crushed by the device and are exhausted for dust removal, 950g of crushed folium artemisiae argyi with the particle size of below 2mm after fine crushing are taken, the crushed folium artemisiae argyi raw materials are cleaned for 3 times by clean water, the total water consumption is 5L, and the clean water is evaporated and dried to obtain the net weight of impurities containing silt, namely 7.5 g; the dust removal rate before and after cleaning can reach about 80%.

Example 2 fine crushing and dedusting of mint herb

Taking a mint Chinese herbal medicine as an example, before crushing, taking 1000g of air-dried mint raw material, washing with clean water for 3 times, wherein the total water consumption is 5L, and evaporating and drying the clean water to obtain 18.4g of impurities containing silt; the folium artemisiae argyi raw material is not cleaned, after the folium artemisiae argyi raw material is crushed by the device and is exhausted for dust removal, 960g of crushed mint materials with the particle size of below 2mm after fine crushing are taken, the crushed mint materials are cleaned for 3 times by clean water, the total water consumption is 5L, and the clean water is evaporated and dried to obtain 3.2g of impurities containing silt; the dust removal rate before and after cleaning can reach about 80%.

Through the embodiments 1-2, the Chinese herbal medicine is crushed by the device and is subjected to air exhaust and dust removal, the crushed fine materials are uniform, the air exhaust and dust removal effects are very good, the dust removal effect is good without water washing, the dust removal effect is also good by adopting dry air exhaust and dust removal, and a patient can directly drink the Chinese herbal medicine powder by soaking water or directly wash water for drinking treatment.

The above-mentioned embodiments are only intended to illustrate the technical solutions of the present invention, not to limit the technical solutions, and are the main features, advantages and specific examples of the present invention, and it should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments, and the present invention can also have various changes and modifications without departing from the spirit and scope of the technical solutions of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (2)

1. A Chinese herbal medicine fine crushing and dust removing device is characterized by mainly comprising an equipment support (1), and a primary crushing device (3), a dust removing device (4), a rotary screening device (5), a fine crushing device (6) and a dust removing sealed fine material collecting bin (7) which are arranged on the equipment support (1); the primary crushing device (3) is communicated with the rotary screening device (5) through a lower end inclined discharge hole; the rotary screening device (5) and the primary crushing device (3) are assembled in an inclined mode, the primary crushing device (3) is vertically installed, and the rotary screening device (5) is installed in an inclined mode; the dust removal device (4) is respectively communicated with the primary crushing device (3) on the left side and the dust removal sealed fine material collecting bin (7); the rotary screening device (5) is obliquely arranged in the dust-removing sealed fine material collecting bin (7), and the main part of the rotary screening device (5) is a rotary screening chamber (55) and a rotary screening chamber cavity shell (555); the fine crushing device (6) is coaxially arranged in the rotary screening device (5), and the fine crushing device (6) and the rotary screening device (5) rotate in opposite directions; the dust removal sealed fine material collecting bin (7) is internally provided with a rotary screening device (5) and a fine crushing device (6) which are relatively independent and closed spaces, the upper part of the dust removal sealed fine material collecting bin is communicated with the dust removal device (4), the lower end of the dust removal sealed fine material collecting bin is a cone, and a star-shaped discharger (8) is arranged in the dust removal sealed fine material collecting bin;

the primary crushing device (3) is internally provided with three cavities, namely a primary crushing chamber upper cavity (305), a primary crushing chamber middle cavity (306) and a primary crushing chamber lower cavity (308), which are communicated; a V-shaped feeding hole (302) is formed in the top of the upper cavity (305) of the primary crushing chamber; a pair of knife rolls are arranged in the middle cavity (306) of the primary crushing chamber, one knife roll of the pair of knife rolls is a star-shaped driving knife roll (310), the other knife roll of the pair of knife rolls is a star-shaped driven knife roll (307), and the star-shaped driving knife roll (310) is connected with a star-shaped driving knife roll transmission motor (315); an inclined material collecting base is arranged at the bottom of a lower cavity (308) of the primary crushing chamber, an inclined material discharging port (309) is formed in the inclined material collecting base, the material discharging port (309) is L-shaped, the material discharging port (309) is connected with a material feeding port of the rotary screening device (5), and a No. 1 rotating shaft (54) of the rotary screening device (5) coaxially penetrates through the material discharging port (309) of the primary crushing device (3); two pairs of carrier roller sets are arranged in an upper cavity (305) of a primary crushing chamber of the primary crushing device (3), one pair of carrier roller sets is a driving carrier roller set (314), the other pair of carrier roller sets is a driven carrier roller set (303), a driving carrier roller set conveying belt (313) and a driven carrier roller set conveying belt (304) are respectively arranged on the driving carrier roller set (314) and the driven carrier roller set (303), and the driving carrier roller set (314) and the driven carrier roller set (303) are arranged in a V shape and matched with a V-shaped feeding port (302) of the upper cavity of the primary crushing chamber; the driving carrier roller group (314) is connected with a driving carrier roller group transmission motor (316) through a driving carrier roller group transmission belt (317); a feeding port cover plate (301) is arranged on the V-shaped feeding port (302); a first rack (312) is arranged between the upper cavity (305) of the primary crushing chamber and the middle cavity (306) of the primary crushing chamber; a W-shaped stainless steel screen mesh (311) is arranged below a star-shaped driving knife roller (310) and a star-shaped driven knife roller (307) which are arranged in a middle cavity (306) of the primary crushing chamber;

the rotary screening device (5) is arranged in the middle of the equipment, is obliquely arranged on the equipment bracket (1), and mainly comprises a 1# bearing support (53A), a 1# rotating shaft (54) and a rotary screening chamber (55); the 1# rotating shaft (54) is supported and fixed on the equipment bracket (1) through a 1# bearing support (53A); the left end of the No. 1 rotating shaft (54) coaxially penetrates through a discharge hole (309) of the primary crushing device (3); the left end of the No. 1 rotating shaft (54) is connected to a No. 1 bearing support (53A) arranged on the equipment support (1) through a No. 1 bearing (52A), and the left tail end of the No. 1 rotating shaft (54) is provided with a No. 1 transmission motor (51); the right end of the 1# rotating shaft (54) is installed in a 2# bearing sleeve (53B) through a 2# bearing I (52B), the 2# bearing sleeve (53B) is fixedly connected with one end of a 2# bearing sleeve star-shaped support (553), and the other end of the 2# bearing sleeve star-shaped support (553) is vertically and fixedly connected with a fixed reinforcing rib (559) in the circumferential direction of a screen of the rotary screening chamber; the 1# rotating shaft (54) is arranged in the left section of the rotary screening chamber (55) and extends to 1/4, a 1# rotating shaft star-shaped support (552) is vertically arranged on the 1# rotating shaft (54), and the 1# rotating shaft star-shaped support (552) is vertically and fixedly connected with a circumferential fixed reinforcing rib (559) of a screen of the rotary screening chamber; the rotary screening chamber cavity shell (555) is cylindrical, a framework of the rotary screening chamber cavity shell is formed by combining a circumferential fixed reinforcing rib (559) of a rotary screening chamber screen and an axial fixed reinforcing rib (558) of the rotary screening chamber screen, the screen is a stainless steel screen (556), the stainless steel screen (556) is fixed on the circumferential fixed reinforcing rib (559) of the rotary screening chamber screen on the inner side of the framework, the outer wall of the stainless steel screen (556) is provided with a rotary screening chamber screen axial fixed reinforcing rib (558), a second rack (554) is axially arranged on the circumferential fixed reinforcing rib (559) of the rotary screening chamber screen, the right end of the rotary screening chamber screen axial fixed reinforcing rib (558) is welded with a flanging (557), the flanging is provided with a screw hole (557-1), and a rear baffle (68) of the rotary screening chamber is fixed by screws;

the fine crushing device (6) is arranged at the right part of an inner cavity of the rotary screening chamber (55) and comprises a 2# rotating shaft (694) and a fine crushing cutter group (69), the right part of the 2# rotating shaft (694) is provided with a shaft sleeve (67), the shaft sleeve (67) penetrates through a rear baffle (68) of the rotary screening chamber and is in movable fit with the rear baffle (68) of the rotary screening chamber, the right end of the 2# rotating shaft (694) is connected with a 2# transmission motor (61) through a shaft coupling (64), the 2# rotating shaft (694) is connected with a bearing seat, a 2# bearing seat (62), a 2# bearing support (63), a 3# bearing (65) and a 3# bearing support (66) through two sets of bearings, the fine crushing cutter group (69) is arranged on the 2# rotating shaft (694) and is transmitted by a shaft key (694-1), the right end of the fine crushing cutter group (69) is provided with a starting positioning baffle (691), and then the fine, a base plate (693) between cutters, wherein the tail end of the base plate is provided with a positioning baffle (695) at the tail end of a fine crushing cutter group and is fastened by a nut (696); the fine crushing cutter (692) is composed of a shearing blade (692-1) and a blade circumferential distribution fixing plate (692-2);

the dust removal device (4) removes dust of the primary crushing device (3) and dust of the dust removal sealed fine material collection bin (7), and comprises an exhaust pipe I secondary exhaust main pipe (406-2) vertically arranged on the outer right side of the primary crushing device (3) and an exhaust pipe II secondary exhaust main pipe (407-2) horizontally arranged on the outer upper end of the dust removal sealed fine material collection bin (7), wherein 3-5 No. 1 secondary exhaust branch pipes (406-3) and No. 2 secondary exhaust branch pipes (407-3) are respectively and uniformly welded on the exhaust pipe I secondary exhaust main pipe (406-2) and the exhaust pipe II secondary exhaust main pipe (407-2) in a vertical and uniform manner, and the tail ends of the No. 1 secondary exhaust branch pipes (406-3) and the No. 2 secondary exhaust branch pipes (407-3) respectively extend to the inner cavities of the primary crushing device (3) and the dust removal sealed fine material collection bin (7) by 20mm, a No. 1 suction hood (406-4) and a No. 2 suction hood (407-4) are respectively arranged at the tail ends of the two suction hoods, the No. 1 suction hood (406-4) is arranged at the right side part in the primary crushing device (3), and the No. 2 suction hood (407-4) is arranged at the upper side part in the dust removal sealed fine material collecting bin (7); an opening at the middle position of the secondary air exhaust main pipe (406-2) of the air exhaust pipe I is communicated with one end of the buffer air bag air exhaust pipe I (406) in a welding manner, and the other end of the buffer air bag air exhaust pipe I (406) is communicated with the buffer air bag (405); an opening in the middle of the secondary air exhaust main pipe (407-2) of the air exhaust pipe II is welded and communicated with one end of the buffer air bag air exhaust pipe II (407), and the other end of the buffer air bag air exhaust pipe II (407) is communicated with the buffer air bag (405); the other end of the buffer air bag (405) is also sequentially connected with a fan inlet air draft main pipe, a control valve (404), an induced draft fan (403), a branch machine outlet air exhaust and dust exhaust pipe (402) and a dust washing water tank (401);

the dust-removing sealed fine material collecting bin (7) is internally provided with a rotary screening device (5) and a fine crushing device (6) which are relatively independent and closed spaces, the upper part of the dust-removing sealed fine material collecting bin is communicated with a dust-removing device (4), the lower end of the dust-removing sealed fine material collecting bin is a cone, and a star-shaped discharger (8) is arranged on the lower end of the dust-removing sealed fine.

2. The fine crushing and dust removing device for Chinese herbal medicine according to claim 1, wherein: the rotary screening device (5) and the fine crushing device (6) are coaxially arranged in the dust removal sealed fine material collecting bin (7) to form an inner wrapping structure, the appearance of the rotary screening device and the fine crushing device (6) is integrated, motor transmission parts of the rotary screening device (5) and the fine crushing device (6) are respectively arranged at the left end and the right end of the integrated structure, the transmission parts are mutually independent, and the rotating directions are opposite; the main body part of the fine crushing device (6) is a rotary fine crushing cutter group (69), and the rotary fine crushing cutter group (69) is arranged at the right section part of the rotary screening chamber (55) and occupies three quarters of the total length of the rotary screening chamber (55).

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