CN115846024A

CN115846024A - High-efficient grinding and screening device for dendrobium officinale

Info

Publication number: CN115846024A
Application number: CN202211467903.1A
Authority: CN
Inventors: 巩卫琪; 邓文彬
Original assignee: Zhejiang Tiefengtang Food And Beverage Co ltd
Current assignee: Zhejiang Tiefengtang Food And Beverage Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-28

Abstract

The invention discloses a high-efficiency grinding and screening device for dendrobium officinale, which comprises a grinding and screening box, a grinding branch block, an upper grinding cone block, an extrusion arc block, a lower grinding cone block, a rotary feeding mechanism, a material guide block, a material guide hole and a dispersing mechanism, wherein a screening frame is arranged at the lower end inside the grinding and screening box, the tops of two ends outside the screening frame are fixedly connected with the inner wall of the grinding and screening box through connecting plates, guide plates which incline downwards in opposite directions are inserted at the upper end and the lower end inside the screening frame, a screen is fixedly inserted at one end of each guide plate inside the screening frame, one end of each guide plate, which is far away from each other, extends to the outside of the screening frame, plugging mechanisms matched with the guide plates are arranged at the lower sides of the two ends outside the grinding and screening box, and a recycling mechanism is arranged at the bottom end inside the grinding and screening box. Compared with the prior art, the invention has the advantages that: the caking can be broken up, the grinding effect is good, and the screening effect is good.

Description

High-efficient grinding and screening device for dendrobium officinale

Technical Field

The invention relates to the technical field of dendrobium officinale treatment, in particular to a high-efficiency grinding and screening device for dendrobium officinale.

Background

Dendrobium officinale is a plant of Orchidaceae. The stem is upright and cylindrical. It grows on mountain rock with elevation up to 1600 m and half yin-damp, and its stem is used as a medicine, which belongs to yin-tonifying medicine in tonifying medicines. The dendrobium officinale has the effect of promoting the production of body fluid, mainly shows the effects of promoting glandular secretion and organ movement, reducing the value of diabetes blood sugar induced by streptozotocin and enhancing the immunity of the organism. Aiming at the treatment of the dendrobium officinale, the dendrobium officinale is generally ground and refined and then further processed, the dendrobium officinale high-efficiency grinding and screening device disclosed in the publication No. CN207667704U utilizes the ejector rods to drive the grinding wheels to swing when the grinding groove moves left and right, so that the dendrobium officinale in the grinding groove is fully ground, the dendrobium officinale is fully shaken in the grinding groove, meanwhile, the grinding wheels can always press the inner wall of the grinding groove, the dendrobium officinale can be repeatedly and uniformly ground, and the grinding effect and speed are greatly improved; the sieve can take place relative slip with the storage tank, sieves the dendrobii officmalis caulis that falls on the sieve, has promoted screening rate, obtains more exquisite dendrobii officmalis caulis powder simultaneously. The prior art still has the defects that:

1. although the prior art can utilize grinding miller cooperation grinding groove to make a round trip to roll and realize effectual grinding effect, because the extrusion grinding leads to the powder caking of grinding to become, and then the unable normal downside that gets into through the hole that grinding groove bottom was seted up filters, and the hole aperture increase that can lead to seting up in order to guarantee passing through of powder has further reduced the grinding effect to dendrobium officinale simultaneously.

2. Although the screening effect of mobilizable screening promotion to the powder is set up in the utilization of prior art, only set up a screen cloth alone and sieve, whole screening effect is relatively poor to not set up the recovery subassembly, inconvenient taking out recovery processing with the powder that the screening was accomplished.

Disclosure of Invention

The invention aims to overcome the defects and provide the dendrobium officinale grinding and screening machine which can break up agglomerates and has a good grinding effect and a good screening effect.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: the utility model provides a high-efficient grinding screening plant of dendrobii officmalis caulis, including grinding screening case, it grinds a piece to grind the inside upper end fixedly connected with of screening case, grind a piece inside and seted up the bell mouth structure, it has conical last grinding cone piece to peg graft in the inside upper end of grinding a piece, go up the extrusion arc piece that grinds the outside of cone piece and the equal a plurality of staggered distribution of extrusion arc piece inner wall upper end fixedly connected with, it grinds the cone piece to grind the cooperation of cone piece bottom fixedly connected with and grinds the lower grinding cone piece that a piece inner wall used, it is provided with the rotation pan feeding mechanism that cooperates its use to grind the cone piece top, it grinds a piece bottom fixedly connected with guide block, conical guide hole has been seted up to guide block center department, the guide block bottom is provided with the scattering mechanism of cooperation guide hole, the inside lower extreme of grinding screening case is provided with the screening frame, screen cloth through being provided with even board fixed connection between the inside grinding screening incasement wall of screening frame both ends top, the inside lower extreme of screening frame all has the guide board that reciprocal downward sloping, the guide board is located the fixed the pegging of the one end of screening frame and pegging graft and has been pegged graft and has been inserted and has been provided with the screen cloth, the mechanism that the recovery of the inside of guide board that grinds the screening frame that sieves.

As the improvement, rotate pan feeding mechanism and include fixed connection in last grinding the guide awl piece on the awl piece top, grind screening incasement portion top surface center department fixedly connected with motor, go up the motor, the bottom rotates the end with guide awl piece, top center department fixed connection, go up the motor, fixed cup joints the reinforcement section of thick bamboo of being connected with grinding screening case on, grinding screening case top surface both sides have all been seted up the pan feeding hole.

The scattering mechanism comprises a fixed frame fixedly connected to the center of the bottom end of the material guide block, grinding rollers are arranged on two sides inside the fixed frame, a plurality of scattering plates which are distributed in a staggered mode are fixedly connected to the outer wall of the fixed frame, rotating rods are fixedly connected to the centers of the front end and the rear end of the grinding rollers, the other ends of the rotating rods are rotatably connected with the fixed frame, the front end of each front rotating rod extends to the outside of the grinding and screening box and is fixedly connected with gears which are meshed with each other, one side gear is arranged at the front end of the front rotating rod, an outer motor is fixedly connected to the bottom end of the outer motor, and the bottom surface of the support is fixedly connected with the grinding and screening box.

As the improvement, the plugging mechanism comprises guide holes and guide holes which are arranged on the two side walls of the screening frame and are positioned at the top end of the guide plate, a plugging plate is arranged at one end far away from the inside of the screening frame, fixed cylinders are fixedly inserted at the lower ends of the two side walls of the grinding and screening box, and electric control telescopic rods connected with the plugging plates are fixedly inserted in the fixed cylinders.

The recovery mechanism comprises partition plates fixedly connected to two sides of the bottom surface inside the grinding and screening box, fine material recovery boxes with upward openings are inserted between the partition plates, coarse material recovery boxes with upward openings are inserted in one sides far away from each other, the fine material recovery boxes and the coarse material recovery boxes, and the front walls on the outer sides of the fine material recovery boxes extend to the outside of the grinding and screening box and are fixedly connected with grab handles.

As an improvement, a plurality of sieve pores are arranged on the scattering plate, two ends of the scattering plate are hinged with connecting plates to form a quadrilateral structure, a driving block is arranged on one side of the rotating rod and is arranged at 90 degrees, and when the driving block rotates to the lowest point, the scattering plate is pushed to swing downwards.

As an improvement, a spring is arranged between the scattering plate and the connecting plate.

As an improvement, the bottom of the scattering plate is hinged with a connecting rod, the bottom of the connecting rod is connected with a screening plate, the screening plate is hinged with a screening frame, and when the scattering plate reciprocates, the screening plate swings back and forth along with the scattering plate to further collide and scatter the dendrobium powder. Compared with the prior art, the invention has the advantages that:

1. according to the invention, the primary grinding of the dendrobium officinale is completed by virtue of the extrusion arc blocks on the inner wall of the grinding support block and the outer wall of the upper grinding cone block, meanwhile, the lower grinding cone block is arranged at the bottom end of the upper grinding cone block and is matched with the inner wall of the grinding support block for attachment, so that the grinding effect is further enhanced, in addition, the scattering mechanism is arranged at the bottom end of the material guide block, and the scattering mechanism is utilized to scatter fallen powder agglomerates, so that the subsequent screening is facilitated.

2. According to the invention, the upper and lower inclined guide plates are arranged in the screening frame, the screen meshes are inserted in the guide plates, multi-stage screening is realized by utilizing the plurality of screen meshes, the screening effect of the whole powder is improved, and meanwhile, the guide plates are arranged in an inclined structure and extend to the outside of the screening frame, so that the powder recovery function after screening is realized more conveniently by matching with a recovery mechanism arranged at the bottom end.

3. The invention can meet different requirements according to the particle size, achieves the aim of carrying out superfine grinding on the dendrobium officinale by multi-stage grinding and recycling, and the ground dendrobium powder finished product is applied to different purposes according to different particle sizes.

Drawings

FIG. 1 is a front sectional view of the high-efficiency grinding and screening device for Dendrobium officinale of the present invention.

Fig. 2 is an external perspective view of the dendrobium officinale high-efficiency grinding and screening device of the invention.

Fig. 3 is an enlarged view of the area a of fig. 1.

Reference numerals: 1. grinding and screening the box; 2. grinding the supporting block; 3. grinding a conical block; 4. extruding the arc block; 5. a lower grinding cone block; 6. rotating the feeding mechanism; 6.1, a material guide conical block; 6.2, electrifying the motor; 6.3, reinforcing the cylinder; 6.4, feeding holes; 7. a material guide block; 8. a material guide hole; 9. a dispersing mechanism; 9.1, fixing frames; 9.2, grinding rollers; 9.3, breaking up the board; 9.4, rotating a rod; 9.5, gears; 9.6, an external motor; 9.7, a bracket; 10. screening the frame; 12. a guide plate; 13. screening a screen; 14. a plugging mechanism; 14.1, material guide holes; 14.2, a plugging plate; 14.3, fixing the cylinder; 14.4, electrically controlling the telescopic rod; 15. a recovery mechanism; 15.1, a partition plate; 15.2, a fine material recovery box; 15.3, a coarse material recovery box; 15.4, a grab handle; 16. a channel; 17. a connecting plate; 18. a drive block; 19. a spring; 20. a connecting rod; 21. and (4) a screening plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a high-efficient grinding and screening device for dendrobium officinale, in order to achieve an effective grinding effect, a grinding support block 2 is fixedly connected and arranged at the upper end inside a grinding and screening box 1, a conical grinding hole structure is formed inside the grinding support block 2, meanwhile, in order to achieve the grinding effect, a conical lower grinding cone block 5 attached to the inner wall of the grinding hole structure is inserted and arranged at the lower end inside the grinding hole structure, the top end radius of the lower grinding cone block 5 is slightly smaller than the inner wall radius of the grinding hole structure, so that powder of the dendrobium officinale can conveniently enter a gap to be ground, in order to further enhance the overall grinding effect, an upper grinding cone block 3 is fixedly connected and arranged at the top end of the lower grinding cone block 5, a plurality of extrusion arc blocks 4 which are distributed in a staggered mode are fixedly connected and arranged at the upper end of the outer wall of the upper grinding cone block 3 and the inner wall of the grinding hole structure, the primary crushing function of the dendrobium officinale is completed by utilizing the rotation of the extrusion arc blocks 4, and a foundation is provided for a better grinding effect.

On the basis, in order to conveniently control the rotation of the upper grinding conical block 3 and the lower grinding conical block 5, the top end of the upper grinding conical block 3 is fixedly connected with the material guide conical block 6.1, the material guide conical block 6.1 can guide the dendrobium officinale to a grinding position by means of the obliqueness of the outer wall of the material guide conical block, so that grinding is facilitated, a pressing component such as an electric push rod, a push plate and the like can be added during specific use, the dendrobium officinale is pressed into a grinding point by the aid of the pressing component, the upper motor 6.2 is fixedly arranged on the top surface inside the grinding screening box 1 and connected with the material guide conical block 6.1 to control the rotation of the dendrobium officinale, and further the rotation control of the upper grinding conical block 3 and the lower grinding conical block 5 is realized. Correspondingly, grind and be provided with gradual change formula passageway 16 between a piece 2 and the lower grinding cone 5, this gradual change formula passageway 16 reduces for from the top down width gradually for the dendrobium officinale after the breakage carries out progressively grinding through grinding the relative rotation between a piece 2 and the lower grinding cone 5 in passageway 16, offers pan feeding hole 6.4 in grinding screening case 1 top surface both sides and conveniently adds the raw materials to equipment.

As shown in fig. 1 and fig. 2, after the first grinding is completed, the problem of poor grinding effect and powder caking may be caused due to the problem of extrusion grinding, in order to ensure that the primarily ground dendrobium powder is further ground and conveniently filtered, a guide block 7 is arranged at the bottom end of a grinding support block 2 in a fixed connection manner, a tapered guide hole 8 is formed inside the guide block 7, a fixed frame 9.1 is arranged at the bottom end of the guide hole 8 in a fixed connection manner, grinding rollers 9.2 are arranged at two sides inside the fixed frame 9.1, the powder caking is guided to the position between two grinding rollers 9.2 by the guide hole 8, the powder is further finely ground by means of the rotation of the grinding rollers 9.2, in order to control the rotation of the grinding rollers 9.2, a rotating rod 9.4 is arranged at the center of the front and rear ends of the fixed frame 9.1 to ensure the rotating effect, meanwhile, the rear rotating rod 9.4 extends to the outer rear side of the grinding and is fixedly connected with a gear 9.5 which the rear side of the grinding screening box 1 is meshed with each other, an outer motor 9.6 is arranged at the rear side of the gear 9.5 to drive the two sides, and the rotation of the grinding rollers 9.2 can be controlled to operate.

As shown in fig. 1 and 3, a scattering plate 9.3 is abutted below the fixed frame 9.1. The dispersing plate 9.3 is in contact with the bottom of the fixing frame 9.1 in the initial state. Be provided with a plurality of sieve meshes on the board 9.3 that breaks up, can sieve the coarse grain in the stem of noble dendrobium powder. Two ends of the scattering plate 9.3 are respectively hinged with a connecting plate 17. The whole body presents a parallelogram structure. Correspondingly, one side of the rotating rod 9.4 is sleeved with a driving block 18. The drive block 18 is arranged at 90 ° to the two rotary rods 9.4. When the driving block 18 is rotated at the rotating rod 9.4 to make one end of the driving block 18 at the lowest point, the scattering plate 9.3 can be pushed to swing downwards. Preferably, a spring 19 is connected between the breaking plate 9.3 and the connecting plate 17 in an abutting manner. The spring 19 is connected to the connecting plate 17 and abuts against the breaker plate 9.3. (can be in the spring set sleeve, and use the spring of the great stiffness coefficient, the sleeve is embedded into tie plate 17, guarantee the spring is in the vertical state all the time, this is not repeated for the prior art.) when breaking up board 9.3 and swinging downward, spring 19 accumulate elastic potential energy, when the drive block 18 rotates to no longer touch and breaks up board 9.3, break up board 9.3 and bounce back under the influence of spring 19, thus reverse rapid swing, the above-mentioned process is reciprocated and has realized breaking up the swing back and forth of board 9.3, analogize to the vibration of breaking up board 9.3, fall on breaking up board 9.3 from the secondary ground dendrobe powder in grinding roller 9.2, under the reciprocating motion of breaking up board 9.3, fully break up the situation of the dendrobe powder conglomeration, and sieve out the coarse particle impurity among them. In addition, because the reaction force of the spring 19 makes the speed of the reverse swing faster, part of the dendrobium powder can return to the space between the grinding rollers 9.2 for three times of grinding, thereby further grinding the dendrobium powder which is still insufficiently ground after grinding to the extent that the dendrobium powder can pass through the scattering plate 9.3. The reason why the driving blocks 18 are arranged at 90 degrees to each other is that the scattering plate 9.3 is driven to move downwards twice when the rotating rod 9.4 rotates for one circle, so that the downward movement frequency of the scattering plate 9.3 is improved, the vibration frequency of the scattering plate 9.3 is improved, and the powder agglomeration and scattering effects are improved.

In order to ensure the sieving effect, the sieving frame 10 is arranged, the two ends of the sieving frame 10 are fixedly provided with the connecting plates 17 for reinforcement, the upper end and the lower end of the inside of the sieving frame 10 are provided with the inclined guide plates 12 which are fixedly connected with the sieve 13 to realize the multi-stage sieving function, one ends of the inclined guide plates 12 extend to the outside of the sieving frame 10 to conveniently guide the sieved powder to the outside, in the normal sieving process, the situation that the powder is directly guided out due to the guide holes 14.1 formed in the two side walls of the sieving frame 10 is avoided, and the arranged blocking plates 14.2 are used for blocking in cooperation with the control of the electric control telescopic rods 14.4 to complete the sieving of the whole dendrobium officinale powder.

In addition, the bottom of the scattering plate 9.3 is hinged with a connecting rod 20, and the bottom of the connecting rod 20 is connected with a screening plate 21. The screening plate 21 is hinged with the screening frame 10. When the dispersing plate 9.3 reciprocates, the sieving plates 21 are swung back and forth, so that the outlets between the sieving plates 21 are exposed or closed back and forth. The reciprocating swing motion of the sieving plate 21 can further collide and break up the broken dendrobium powder falling on the sieving plate 21, and then the dendrobium powder is moved out through the outlet between the sieving plates 21 and falls into the sieving frame 10.

As shown in fig. 1 and 2, on the basis of the above, the two sides of the bottom surface inside the grinding and screening box 1 are fixedly connected with the partition plates 15.1, the fine material recovery box 15.2 is inserted between the partition plates 15.1 and aligned with the screening frame 10, so that the powder which is screened in multiple stages can be received, the coarse material recovery boxes 15.3 are arranged on the two sides, so that the powder with poor grinding effect can be recovered, the grinding treatment can be conveniently controlled and carried out again, and the grab handles 15.4 are fixedly connected with the front ends of the outer walls of the fine material recovery box 15.2 and the coarse material recovery box 15.3, so that the fine material recovery box and the coarse material recovery box can be conveniently taken out for treatment.

In specific implementation of the invention, as shown in fig. 1 and 2, when the invention is used specifically, dendrobium officinale raw materials are fed in through feeding holes 6.4 arranged on two sides, then an upper motor 6.2 is started to control an upper grinding cone block 3 and a lower grinding cone block 5 to rotate, the dendrobium officinale raw materials are moved to a grinding position under the guidance of an inclined structure of a guide cone block 6.1, the rotary upper grinding cone block 3 and the lower grinding cone block 5 are matched with an extrusion arc block 4 to complete multi-stage grinding, ground agglomerate grinding powder enters a position between scattering plates 9.3 through a guide hole 8 at the bottom, an outer motor 9.6 is started to control a grinding roller 9.2 to drive the scattering plates 9.3 to rotate to scatter agglomerates, a scattered interface falls into a screening frame 10 to perform multi-stage screening, fine powder obtained through multi-stage screening enters a fine material recovery box 15.2, coarse powder obtained through multi-stage screening is discharged into a coarse material recovery box 14.1 after plugging of a plugging plate 14.4 is removed through a control telescopic rod 14.4, the coarse powder obtained through multi-stage screening is discharged into a fine material recovery box, and the fine material recovery box 15.2 is taken out, and the whole dendrobium officinale raw materials are recovered by using an electric control telescopic rod 14.4, and the dendrobium officinale box to process the dendrobium officinale raw materials, and the whole dendrobium officinale raw materials recovery box is taken out, and the dendrobium officinale raw materials.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they can easily and effectively design the structure and embodiments similar to the above embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a high-efficient grinding and screening device of dendrobii officmalis caulis, is including grinding screening case (1), its characterized in that: the grinding and screening device is characterized in that a grinding support block (2) is fixedly connected to the upper end inside the grinding and screening box (1), a conical hole structure is arranged inside the grinding support block (2), a conical upper grinding conical block (3) is inserted into the upper end inside the grinding support block (2), a plurality of extrusion arc blocks (4) which are distributed in a staggered manner are fixedly connected to the outer portion of the upper grinding conical block (3) and the upper end of the inner wall of the extrusion arc block (4), a lower grinding conical block (5) which is matched with the inner wall of the grinding support block (2) and used is fixedly connected to the bottom end of the upper grinding conical block (3), a rotating feeding mechanism (6) which is matched with the upper grinding conical block (3) is arranged at the top end of the upper grinding conical block (3), a guide block (7) is fixedly connected to the bottom end of the grinding support block (2), a conical guide hole (8) is arranged at the center of the guide block (7), a scattering mechanism (9) which is matched with the guide hole (8) is arranged at the bottom end of the upper grinding conical block (7), a scattering mechanism (10) is arranged at the lower end of the inner portion of the grinding and screening box (1), a guide plate (17) is fixedly connected to the lower end of the guide plate (12) which is arranged inside the guiding plate, a guide plate (12) which is fixedly connected to the guiding plate (12) which is arranged inside the guiding plate, and is arranged at the guiding plate (12) is arranged at the lower end of the guiding plate (12) is arranged inside of the guiding plate, the one end that guide board (12) kept away from each other extends to screening frame (10) outside, it is provided with shutoff mechanism (14) that cooperation guide board (12) used to grind screening case (1) outside both ends downside, it is provided with recovery mechanism (15) to grind the inside bottom of screening case (1).

2. The efficient grinding and screening device for dendrobium officinale according to claim 1, which is characterized in that: rotate pan feeding mechanism (6) and include guide awl piece (6.1) that fixed connection ground awl piece (3) top on, grind screening case (1) inside top surface center department fixedly connected with go up motor (6.2), go up motor (6.2) bottom rotation end with guide awl piece (6.1) top center department fixed connection, go up motor (6.2) and go up fixed the cup jointing and have had a reinforcement section of thick bamboo (6.3) of being connected with grinding screening case (1), pan feeding hole (6.4) have all been seted up to grinding screening case (1) top surface both sides 30.

3. The high-efficient screening plant that grinds of dendrobii officmalis caulis of claim 1, its characterized in that: scatter mechanism (9) including fixed frame (9.1) of fixed connection in guide block (7) bottom center department, fixed frame (9.1) inside both sides are provided with grinding roller (9.2), grind the board (9.3) of scattering of a plurality of crisscross distributions of fixedly connected with on roller (9.2) outer wall, grind roller (9.2) front and back end center department fixedly connected with bull stick (9.4), bull stick (9.4) other end rotates with fixed frame (9.1) to be connected, the front side bull stick (9.4) front end extends to the gear (9.5) that grind screening case (1) outside and the mutual meshing of fixedly connected with, one side gear (9.5) front end is provided with outer motor (9.6) rather than being connected, outer motor (9.6) bottom end fixedly connected with support (9.7) of L shape, support (9.7) bottom surface rear end grinds screening case (1) fixed connection with.

4. The efficient grinding and screening device for dendrobium officinale according to claim 1, which is characterized in that: plugging mechanism (14) are including offering guide hole (14.1) that lie in guide board (12) top on screening frame (10) both sides wall, the inside one end of guide hole (14.1) keeping away from screening frame (10) is provided with plugging plate (14.2), it all is fixed pegging graft to grind screening case (1) both sides wall lower extreme and has fixed cylinder (14.3), fixed cylinder (14.3) inside is fixed pegging graft and is had electric control telescopic link (14.4) of being connected with plugging plate (14.2).

5. The efficient grinding and screening device for dendrobium officinale according to claim 1, which is characterized in that: retrieve mechanism (15) including fixed connection in grinding screening case (1) inside bottom surface both sides baffle (15.1), the position between baffle (15.1) is pegged graft and is had ascending fine material collection box (15.2) of opening, one side that baffle (15.1) kept away from each other is pegged graft and is had ascending coarse material collection box (15.3) of opening, fine material collection box (15.2) and coarse material collection box (15.3) outside antetheca all extend to grinding screening case (1) outside and fixedly connected with grab handle (15.4).

6. The high-efficiency grinding and screening device for dendrobium officinale according to claim 3, wherein the device comprises: the plate (9.3) that breaks up is provided with a plurality of sieve meshes, break up board (9.3) both ends and articulate and have connecting plate (17) and present quadrangle structure, bull stick (9.4) one side is provided with drive block (18), drive block (18) become 90 and set up, when drive block (18) rotate to the minimum, promote the board (9.3) that breaks up and swing downwards.

7. The efficient grinding and screening device for dendrobium officinale according to claim 6, wherein the efficient grinding and screening device comprises: a spring (19) is arranged between the scattering plate (9.3) and the connecting plate (17).

8. The efficient grinding and screening device for dendrobium officinale according to claim 6, wherein the efficient grinding and screening device comprises: the dendrobium nobile powder scattering device is characterized in that a connecting rod (20) is hinged to the bottom of the scattering plate (9.3), a screening plate (21) is connected to the bottom of the connecting rod (20), the screening plate (21) is hinged to a screening frame (10), and when the scattering plate (9.3) reciprocates, the screening plate (21) swings along with the reciprocating motion of the scattering plate to further collide and scatter dendrobium nobile powder.