CN115041407A

CN115041407A - Raw materials quality sieving mechanism for medicine production

Info

Publication number: CN115041407A
Application number: CN202210771574.3A
Authority: CN
Inventors: 王炜
Original assignee: Jiangxi Bosheng Pharmaceutical Technology Co ltd
Current assignee: Jiangxi Bosheng Pharmaceutical Technology Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-09-13
Anticipated expiration: 2042-06-30
Also published as: CN115041407B

Abstract

The invention relates to a screening device, in particular to a raw material quality screening device for medicine production. Provided is a raw material quality screening device for pharmaceutical production, which can screen raw materials twice and further can improve the raw material screening efficiency. The utility model provides a raw materials quality sieving mechanism for medicine production, includes chassis, pole setting, arc frame, rose box and encloses the frame etc. the chassis upside is connected with and encloses the frame, and the chassis roof left and right sides all is connected with a plurality of pole settings, is connected with the arc frame between the pole setting upper portion of the left and right sides, is connected with the rose box between the pole setting middle part of the left and right sides. The air box can absorb unqualified tiny particle raw materials, so that the raw materials can be primarily screened, meanwhile, the filter box can screen the raw materials again, the raw material screening efficiency is improved, and the first rotating plate is rotated and opened to facilitate people to take out the unqualified raw materials in the filter box for treatment.

Description

Raw materials quality sieving mechanism for medicine production

Technical Field

The invention relates to a screening device, in particular to a raw material quality screening device for medicine production.

Background

With the rapid development of Chinese economy, the medical expenses caused by the improvement of the living standard of people and the aging of population are increased, the development of new medicines is increased, the medicine industry continues to keep the trend of rapid growth, and raw materials with larger particles or broken particles need to be screened in the production and processing process of the raw materials for medicine production.

Application publication No. CN216539525U discloses a medicine raw material vibrating screen, which comprises a hollow base and a vibrating mechanism; a hollow base: springs are arranged at the edge of the upper surface of the shaking disc, the upper ends of the springs are fixedly connected with the bottom surface of the shaking disc, a screen disc is movably clamped in a clamping groove formed in the upper surface of the shaking disc, and discharge hoppers are arranged at a discharge port on the right side surface of the shaking disc and a discharge port on the left side surface of the screen disc; an oscillating mechanism: including trapezoidal platform, bull stick and second eccentric wheel, trapezoidal platform sets up in the bottom surface of shaking the driving disk, and the bottom surface center department of trapezoidal platform rotates through the bearing and is connected with the bull stick, during the use, puts into the inside of sieve tray with the medicine raw materials, then starts the biax motor for shaking the driving disk and trembling, can vibrate the screening to the raw materials, however this vibration sieve is difficult to carry out twice screening to the raw materials, and then reduces raw materials screening efficiency.

Therefore, a raw material quality screening device for pharmaceutical production is now developed, which can screen raw materials twice and further can improve the raw material screening efficiency.

Disclosure of Invention

In order to overcome the defect that the raw materials are difficult to screen twice and then the screening efficiency of the raw materials is reduced, the technical problem to be solved is as follows: provided is a raw material quality screening device for pharmaceutical production, which can screen raw materials twice and further can improve the raw material screening efficiency.

The technical scheme is as follows: the utility model provides a raw materials quality sieving mechanism for medicine production, including the chassis, the pole setting, the arc frame, the rose box, enclose the frame, feeding agencies and suction means, the chassis upside is connected with and encloses the frame, the chassis roof left and right sides all is connected with a plurality of pole settings, be connected with the arc frame between the pole setting upper portion of the left and right sides, be connected with the rose box between the pole setting middle part of the left and right sides, be equipped with on the rose box and be used for people to take out the feeding agencies of unqualified raw materials, be equipped with on the arc frame and carry out the suction means that absorbs to small granule raw materials.

According to a preferable technical scheme, the material taking mechanism comprises a first rotating plate, fixed rings, a first connecting rod frame and a first torsion spring, the fixed rings are symmetrically connected to the front side and the rear side of the filter box in a bilateral mode, the first connecting rod frame is rotatably connected between the two fixed rings on the front side, the first connecting rod frame is rotatably connected between the two fixed rings on the rear side, the first rotating plate is connected to each first connecting rod frame, the first torsion springs are connected between the left side and the right side of each first connecting rod frame and the corresponding fixed rings, and the first torsion springs are wound on the first connecting rod frames.

According to a preferable technical scheme of the invention, the suction mechanism comprises an air box, a thin-shell box, a small pulling box, a rotating circular plate and a second torsion spring, wherein the lower side of the rear part of the arc-shaped frame is connected with the air box, the lower side of the air box is connected with the thin-shell box, the small pulling box is connected with the rear part of the thin-shell box in a sliding manner, the rotating circular plate is connected with the left side and the right side of the rear part of the thin-shell box in an up-and-down symmetric rotating manner, the rotating circular plate is in contact with the small pulling box, the second torsion spring is connected between the rotating circular plate and the thin-shell box, and the second torsion spring is wound on the rotating circular plate.

As a preferred technical scheme, the automatic opening device further comprises an opening mechanism capable of controlling whether the arc-shaped frame circulates or not, the opening mechanism comprises a hollow plate, a sliding angle plate, limiting rods and reset springs, the lower portion of the arc-shaped frame is connected with the hollow plate in a sliding mode, the sliding angle plate is connected to the left side and the right side of the lower rear portion of the arc-shaped frame in a sliding mode, the 3 limiting rods are connected to the middle of the lower portion of the arc-shaped frame, the hollow plate is connected with the limiting rods in a sliding mode, the three reset springs are connected between the rear portion of the hollow plate and the arc-shaped frame, and the reset springs are wound on the limiting rods.

As a preferred technical scheme of the invention, the device also comprises an opening and closing mechanism for controlling whether the air box can smoothly extract the micro-particle raw material, the opening and closing mechanism comprises an oblique angle frame, a second connecting rod frame, a second rotating plate and a belt pulley assembly, the left side of the rear wall of the hollow plate is connected with the oblique angle frame, the oblique angle frame is rotatably and slidably connected with the second connecting rod frame, the upper part of the air box is rotatably connected with 7 second rotating plates at uniform intervals, the front side of the second rotating plate at the left side is rotatably and slidably connected with the second connecting rod frame, the belt pulley assembly is connected between the rear sides of two adjacent second rotating plates, the belt pulley assembly comprises two belt pulleys and one belt, the rear sides of the second rotating plate at the leftmost side and the second rotating plate at the rightmost side are both connected with one belt pulley, and the rear sides of the four second rotating plates at the middle position are also connected with two belt pulleys distributed back and forth, the belt is wound between the two adjacent belt pulleys on the left side and the right side.

As a preferred technical scheme, the automatic rotary filter further comprises a combination mechanism which enables the first connecting rod frame to automatically rotate, the combination mechanism comprises an arc frame, a full gear, a cylinder and a rack, the left side and the right side of the filter box are both connected with the cylinder, the telescopic rod of the cylinder is both connected with the arc frame, the arc frame is connected with the filter box in a sliding mode, the upper side of the arc frame is both connected with the left side and the right side of the front portion of the hollow plate in a sliding mode, the front side and the rear side of the arc frame are both connected with the rack, the left side and the right side of the first connecting rod frame are both connected with the full gear, and the corresponding racks are meshed with the full gear.

In a preferred embodiment of the present invention, the upper portion of the arc frame is inclined to guide the hollow plate.

As a preferred technical scheme, the novel filter box also comprises a collecting mechanism for collecting screened raw materials, wherein the collecting mechanism comprises an arc angle box, third connecting rod frames and a large drawing box, the arc angle box is connected between the lower parts of upright rods on the left side and the right side, the lower side of the arc angle box is fixedly connected with an underframe, the two third connecting rod frames which are bilaterally symmetrical are connected between the upper side of the arc angle box and the front part of the filter box, the arc angle box is communicated with the lower side of the rear part of the filter box, and the large drawing box is connected on the arc angle box in a sliding mode.

The invention has the following advantages: 1. the air box can absorb unqualified tiny particle raw materials, so that the raw materials can be primarily screened, meanwhile, the filter box can screen the raw materials again, the raw material screening efficiency is improved, and the first rotating plate is rotated and opened to facilitate people to take out the unqualified raw materials in the filter box.

2. According to the invention, through the movement of the hollow plate, whether the arc-shaped frame is smoothly fed can be controlled.

3. According to the invention, the second rotating plate rotates to control whether the air box smoothly carries out primary screening on the raw materials, the arc frame moves at the same time, so that the hollow plate can automatically move to the front side to be opened, and meanwhile, the first connecting rod frame can automatically rotate, so that the labor force of people can be reduced.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partial perspective view of the present invention.

Fig. 3 is a schematic perspective view of a material taking mechanism according to the present invention.

Fig. 4 is a schematic partial perspective view of a material taking mechanism according to the present invention.

Fig. 5 is an enlarged schematic perspective view of the invention at a.

Fig. 6 is a schematic perspective view of the suction mechanism of the present invention.

Fig. 7 is a partial perspective view of the suction mechanism of the present invention.

Fig. 8 is an enlarged perspective view of the present invention at B.

Fig. 9 is a perspective view of the opening mechanism of the present invention.

Fig. 10 is a partial perspective view of the opening mechanism of the present invention.

Fig. 11 is a schematic perspective view of the opening and closing mechanism of the present invention.

Fig. 12 is a first perspective view of the opening and closing mechanism of the present invention.

Fig. 13 is a perspective view of a second view of the opening and closing mechanism of the present invention.

Fig. 14 is a partial perspective view of the opening and closing mechanism of the present invention.

Fig. 15 is a perspective view of the coupling mechanism of the present invention.

Fig. 16 is a partial perspective view of the coupling mechanism of the present invention.

Fig. 17 is an enlarged perspective view of the present invention at C.

Fig. 18 is a perspective view of the collecting mechanism of the present invention.

Fig. 19 is a partial perspective view of the collection mechanism of the present invention.

In the figure: 1: chassis, 2: upright rod, 3: arc frame, 4: a filter box, 5: surrounding frame, 6: material taking mechanism, 61: first rotation plate, 62: fixed ring, 63: first connecting bar frame, 64: first torsion spring, 7: suction mechanism, 71: windbox, 72: thin-shell case, 73: small drawer box, 74: rotating circular plate, 75: second torsion spring, 8: opening mechanism, 81: hollow plate, 82: sliding gusset, 83: stop lever, 84: return spring, 9: opening and closing mechanism, 91: bevel frame, 92: second connecting rod holder, 93: second rotation plate, 94: pulley assembly, 10: combination, 101: arc frame, 102: all-gear, 103: cylinder, 104: rack, 11: collection mechanism, 111: arc corner box, 112: third connecting rod holder, 113: a large drawing box.

Detailed Description

The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Example 1

The utility model provides a raw materials quality sieving mechanism for medicine production, as shown in figure 1 and figure 2, including chassis 1, pole setting 2, arc frame 3, rose box 4, enclose frame 5, extracting mechanism 6 and suction means 7, 1 upside of chassis is connected with and encloses frame 5, 1 roof left and right sides of chassis has all welded a plurality of pole settings 2, be connected with arc frame 3 between 2 upper portions of pole setting of the left and right sides, arc frame 3 is convenient for people to fall the material, be connected with rose box 4 between 2 middle parts of pole setting of the left and right sides, rose box 4 can filter the raw materials, be equipped with on the rose box 4 and be used for people to take out extracting mechanism 6 of unqualified raw materials, be equipped with suction means 7 that absorb the small granule raw materials on arc frame 3.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the material taking mechanism 6 includes a first rotating plate 61, a fixed ring 62, a first connecting rod frame 63 and a first torsion spring 64, the fixed rings 62 are welded on the front and rear sides of the filter box 4 in a bilateral symmetry manner, a first connecting rod frame 63 is rotatably connected between the two fixed rings 62 on the front side, a first connecting rod frame 63 is also rotatably connected between the two fixed rings 62 on the rear side, the first rotating plate 61 is connected on the first connecting rod frame 63, the first rotating plate 61 can cover the front and rear sides of the filter box 4, a first torsion spring 64 is connected between the left and right sides of the first connecting rod frame 63 and the corresponding fixed ring 62, the first torsion spring 64 is wound on the first connecting rod frame 63, and the first torsion spring 64 can enable the first connecting rod frame 63 to rotate and reset.

As shown in fig. 2, 6, 7 and 8, the suction mechanism 7 includes a bellows 71, a thin-shell case 72, a small drawing case 73, a rotating circular plate 74 and a second torsion spring 75, the bellows 71 is connected to the lower side of the rear portion of the arc frame 3, the bellows 71 can suck the fine particle materials, the thin-shell case 72 is connected to the lower side of the bellows 71, the small drawing case 73 is slidably connected to the rear portion of the thin-shell case 72, the fine particle materials can be stored in the small drawing case 73, the rotating circular plate 74 is rotatably connected to the left and right sides of the rear portion of the thin-shell case 72 in an up-down symmetric manner, the rotating circular plate 74 is in contact with the small drawing case 73, the rotating circular plate 74 can block the small drawing case 73, the second torsion springs 75 are connected between the rotating circular plate 74 and the thin-shell case 72, the second torsion springs 75 are wound around the rotating circular plate 74, and the second torsion springs 75 can restore the rotating circular plate 74.

When people need to screen raw materials for medicine production (hereinafter referred to as raw materials), the device can be used for screening the raw materials, initially, the first torsion spring 64 is in a twisted state, the first rotating plate 61 is in a rotating open state, firstly, people release the first rotating plate 61, then the first connecting rod frame 63 and the first rotating plate 61 rotate to the lower side under the action of the first torsion spring 64 to be closed, the front side and the rear side of the filter box 4 are blocked, then people place a container containing the raw materials at the lower side of the filter box 4, then people open the air box 71, then people pour the raw materials into the arc-shaped frame 3, when the raw materials pass through the air box 71, the air box 71 can suck the micro-particle raw materials into the small drawing box 73, meanwhile, the raw materials which are not extracted can slide into the filter box 4 to be filtered and screened, the screened raw materials can fall into the prepared container, and thus the raw materials can be screened, after the screening is completed, people close the air box 71, then people rotate the rotating circular plate 74, at the moment, the second torsion spring 75 is twisted to separate the rotating circular plate 74 from the small drawing box 73, then people pull the small drawing box 73 backwards to process the unqualified fine particle raw materials in the small drawing box 73, after the processing is completed, people move the small drawing box 73 forwards to reset, then release the rotating circular plate 74, then the rotating circular plate 74 is reversely reset under the action of the second torsion spring 75, the rotating circular plate 74 can clamp the small drawing box 73 to prevent the small drawing box 73 from automatically moving, then people rotate the first rotating plate 61 upwards to open, at the moment, the first torsion spring 64 is twisted, then people clean the unqualified raw materials screened out on the filter box 4 by means of tools, the unqualified fine particle raw materials can be sucked by the air box 71 after the above operations are repeated, so can carry out preliminary screening to the raw materials, filter box 4 can filter the raw materials once more simultaneously for raw materials screening efficiency improves, and first rotor plate 61 rotates and opens the people of being convenient for and takes out the processing to unqualified raw materials in the filter box 4.

Example 2

On the basis of embodiment 1, as shown in fig. 2, 9 and 10, the device further comprises an opening mechanism 8 capable of controlling whether the arc-shaped frame 3 is circulated, wherein the opening mechanism 8 comprises a hollow plate 81, slip scute 82, gag lever post 83 and reset spring 84, arc frame 3 lower part slidingtype is connected with hollow plate 81, circulation in the arc frame 3 can be controlled to hollow plate 81, the arc frame 3 lower part left and right sides all slidingtype is connected with slip scute 82, slip scute 82 can fix spacingly to hollow plate 81, arc frame 3 lower part intermediate position is connected with 3 gag lever posts 83, hollow plate 81 and gag lever post 83 slidingtype are connected, gag lever post 83 can play spacing guide effect to hollow plate 81, be connected with three reset spring 84 between hollow plate 81 rear portion and the arc frame 3, reset spring 84 all winds on gag lever post 83, reset spring 84 can make hollow plate 81 remove reset.

When people need to slide the raw materials into the filter box 4, initially, the hollow plate 81 is in a state of blocking the arc-shaped blocks, firstly, people move the sliding angle plates 82 away from each other by means of a tool, then people move the hollow plate 81 to the front side, the limiting rod 83 can play a role in guiding and limiting the hollow plate 81, at the moment, the return spring 84 is compressed, when the hollow plate 81 moves to the foremost position, people move the sliding angle plates 82 close to each other, the sliding angle plates 82 can play a role in blocking the hollow plate 81, the hollow plate 81 moves to the front side to open the arc-shaped frame 3, then the raw materials can smoothly slide into the filter box 4 for screening, after the screening of the raw materials is completed, people move the sliding angle plates 82 away from each other by means of a tool again to release the hollow plate 81, then the hollow plate 81 moves to the rear side to reset under the action of the return spring 84, the hollow plate 81 moves to the rear side to block the arc-shaped frame 3, then, the slide angle plates 82 are moved toward each other by a tool to be reset, and the movement of the hollow plate 81 is repeated to control whether the arc frame 3 is smoothly blanked.

As shown in fig. 2, 11, 12, 13 and 14, the apparatus further comprises an opening and closing mechanism 9 for controlling whether the air box 71 can smoothly extract the fine particle raw material, the opening and closing mechanism 9 comprises an oblique frame 91, a second connecting rod frame 92, a second rotating plate 93 and a belt pulley assembly 94, the oblique frame 91 is connected to the left side of the rear wall of the hollow plate 81, the second connecting rod frame 92 is rotatably and slidably connected to the oblique frame 91, 7 second rotating plates 93 are rotatably connected to the upper portion of the air box 71 at regular intervals, the second rotating plate 93 can close the opening and closing of the upper portion of the air box 71, the front side of the second rotating plate 93 on the left side is rotatably and slidably connected to the second connecting rod frame 92, the belt pulley assembly 94 is connected between the rear sides of two adjacent second rotating plates 93, the belt pulley assembly 94 is composed of two belt pulleys and one belt, and a belt pulley is connected to each of the rear sides of the leftmost second rotating plate 93 and the rightmost second rotating plate 93, the four second rotating plates 93 at the middle positions are also connected with two belt pulleys distributed front and back, and belts are wound between the two adjacent belt pulleys at the left and right sides.

When people need to suck and screen the tiny particle raw materials, firstly, when the hollow plate 81 moves to the front side, the hollow plate 81 moves to the front side to drive the bevel frame 91 to move to the front side, the bevel frame 91 moves to the front side, the second connecting rod frame 92 moves to the upper side, the connecting rod frame moves to the upper side to rotate the left second rotating plate 93, then the belt pulley assembly 94 drives the remaining 5 second rotating plates 93 to rotate, so that the upper part of the air box 71 is opened, then the tiny particle raw materials can be sucked, when the raw material screening is completed, and when the hollow plate 81 moves to the rear side to reset, the hollow plate 81 moves to the rear side to drive the bevel frame 91 to move to the rear side to reset, the bevel frame 91 moves to the lower side during the backward movement, the second connecting rod frame 92 moves to the lower side to reset the left second rotating plate 93 in a reverse way, and then drive remaining 5 second rotor plates 93 through belt pulley assembly 94 and turn over and close, so make bellows 71 upper portion closed, repeat above operation and rotate through second rotor plate 93, can control bellows 71 and whether smooth carry out preliminary screening to the raw materials.

As shown in fig. 2, fig. 15, fig. 16 and fig. 17, the automatic filter box further comprises a combination mechanism 10 for enabling the first connecting rod frame 63 to automatically rotate, the combination mechanism 10 comprises an arc frame 101, a full gear 102, a cylinder 103 and a rack 104, the cylinders 103 are fixedly connected to the left side and the right side of the filter box 4, the telescopic rods of the cylinders 103 are connected with the arc frame 101, the arc frame 101 is connected with the filter box 4 in a sliding manner, the upper side of the arc frame 101 is connected with the front left side and the right side of the hollow plate 81 in a sliding manner, the upper portion of the arc frame 101 is inclined and can guide the hollow plate 81, the racks 104 are connected to the front side and the rear side of the arc frame 101, the full gear 102 is connected to the left side and the right side of the first connecting rod frame 63, and the corresponding racks 104 are meshed with the full gear 102.

When people need to close and block the front side and the rear side of the filter box 4 and screen raw materials, firstly, people start the air cylinder 103, the telescopic rod of the air cylinder 103 is shortened upwards to drive the arc frame 101 to move upwards, because the upper part of the arc frame 101 is inclined, the arc frame 101 moves upwards to enable the hollow plate 81 to automatically move and open towards the front side, meanwhile, the arc frame 101 moves upwards to drive the rack 104 to move upwards, the rack 104 moves upwards to enable the full gear 102 to rotate, the full gear 102 rotates to enable the first connecting rod frame 63 to automatically rotate towards the lower side, so that the front side and the rear side of the filter box 4 can be covered and blocked, then, the raw materials can be screened, after the raw materials are screened, people control the air cylinder 103 to extend downwards to drive the arc frame 101 to move downwards to reset, the arc frame 101 moves downwards to push the telescopic rod to push the hollow plate 81 to move and close backwards, simultaneously arc frame 101 moves to the downside and drives rack 104 and moves to the downside and reset, rack 104 moves to the downside and drives full gear 102 reversal, and then make first connecting rod frame 63 rotate to the upside and open, people close cylinder 103 afterwards, then people can handle the unqualified raw materials of screening processing, operation makes hollow plate 81 can move to the downside automatically and open more than the repetition, first connecting rod frame 63 can rotate automatically simultaneously, thereby people's labour can be reduced.

As shown in fig. 2, fig. 18 and fig. 19, the device further comprises a collecting mechanism 11 for collecting the screened raw materials, the collecting mechanism 11 comprises an arc corner box 111, a third connecting rod frame 112 and a large drawing box 113, the arc corner box 111 is welded between the lower parts of the upright rods 2 at the left side and the right side, the lower side of the arc corner box 111 is fixedly connected with the bottom frame 1, two third connecting rod frames 112 which are bilaterally symmetrical are connected between the upper side of the arc corner box 111 and the front part of the filtering box 4, the third connecting rod frames 112 can improve the stability of the arc corner box 111, the arc corner box 111 is communicated with the lower side of the rear part of the filtering box 4, the arc corner box 111 is slidably connected with the large drawing box 113, and the large drawing box 113 can collect the screened raw materials.

When people need collect the raw materials that filter, at first, the raw materials that filter and screen the completion can drop in big pull case 113, big pull case 113 can hold the raw materials, after the raw materials screening is accomplished afterwards, people pull big pull case 113 to the rear side, then people accomodate the raw materials that screen in big pull case 113, accomodate the completion after, people with big pull case 113 to the side movement before reset can, the operation can be collected the raw materials that the screening was accomplished more than the repetition, and then can be convenient for people to get the raw materials that screen well and put.

The technical principle of the embodiment of the present invention is described above in conjunction with the specific embodiments. The description is only intended to explain the principles of embodiments of the invention and should not be taken in any way as limiting the scope of the embodiments of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, and these embodiments will fall within the scope of the present invention.

Claims

1. The utility model provides a raw materials quality sieving mechanism for medicine production, is including chassis (1), pole setting (2), arc frame (3), rose box (4) and enclose frame (5), and chassis (1) upside is connected with and encloses frame (5), and chassis (1) roof left and right sides all is connected with a plurality of pole settings (2), is connected with arc frame (3) between pole setting (2) upper portion of the left and right sides, is connected with rose box (4), characterized by between pole setting (2) the middle part of the left and right sides: the device is characterized by further comprising a material taking mechanism (6) and an absorbing mechanism (7), wherein the material taking mechanism (6) used for people to take out unqualified raw materials is arranged on the filter box (4), and the absorbing mechanism (7) used for absorbing the micro-particle raw materials is arranged on the arc-shaped frame (3).

2. The raw material quality screening device for medicine production according to claim 1, wherein: the material taking mechanism (6) comprises a first rotating plate (61), fixed rings (62), a first connecting rod frame (63) and a first torsion spring (64), the front side and the rear side of the filter box (4) are respectively and symmetrically connected with the fixed rings (62) in a bilateral symmetry mode, the two fixed rings (62) on the front side are respectively and rotatably connected with the first connecting rod frame (63), the two fixed rings (62) on the rear side are respectively and rotatably connected with the first connecting rod frame (63), the first connecting rod frame (63) is respectively and rotatably connected with the first rotating plate (61), the left side and the right side of the first connecting rod frame (63) are respectively and rotatably connected with the corresponding fixed rings (62), and the first torsion spring (64) is respectively wound on the first connecting rod frame (63).

3. The raw material quality screening device for medicine production according to claim 2, wherein: the suction mechanism (7) comprises an air box (71), a thin-shell box (72), a small drawing box (73), a rotating circular plate (74) and a second torsion spring (75), the lower side of the rear part of the arc-shaped frame (3) is connected with the air box (71), the lower side of the air box (71) is connected with the thin-shell box (72), the rear part of the thin-shell box (72) is connected with the small drawing box (73) in a sliding mode, the left side and the right side of the rear part of the thin-shell box (72) are connected with the rotating circular plate (74) in an up-and-down symmetrical rotating mode, the rotating circular plate (74) is in contact with the small drawing box (73), the second torsion spring (75) is connected between the rotating circular plate (74) and the thin-shell box (72), and the second torsion spring (75) is wound on the rotating circular plate (74).

4. The raw material quality screening device for medicine production according to claim 3, wherein: still including opening mechanism (8) that whether circulate in can controlling arc frame (3), opening mechanism (8) are including hollow plate (81), slip scute (82), gag lever post (83) and reset spring (84), arc frame (3) lower part slidingtype is connected with hollow plate (81), arc frame (3) lower part left and right sides all slidingtype is connected with slip scute (82), arc frame (3) lower part intermediate position is connected with 3 gag lever posts (83), hollow plate (81) are connected with gag lever post (83) slidingtype, be connected with three reset spring (84) between hollow plate (81) rear portion and arc frame (3), reset spring (84) all are around rolling up on gag lever post (83).

5. The raw material quality screening device for medicine production according to claim 4, wherein: the device also comprises an opening and closing mechanism (9) for controlling whether the air box (71) can smoothly extract the micro-particle raw material, wherein the opening and closing mechanism (9) comprises an oblique angle frame (91), a second connecting rod frame (92), a second rotating plate (93) and a belt pulley assembly (94), the left side of the rear wall of the hollow plate (81) is connected with the oblique angle frame (91), the oblique angle frame (91) is connected with the second connecting rod frame (92) in a rotating and sliding manner, the upper part of the air box (71) is connected with 7 second rotating plates (93) at uniform intervals in a rotating manner, the front side of the left second rotating plate (93) is connected with the second connecting rod frame (92) in a rotating and sliding manner, the belt pulley assembly (94) is connected between the rear sides of two adjacent second rotating plates (93), the belt pulley assembly (94) is composed of two belt pulleys and one belt, the rear sides of the leftmost second rotating plate (93) and the rightmost second rotating plate (93) are connected with one belt pulley, the rear sides of the four second rotating plates (93) in the middle are also connected with two belt pulleys distributed front and back, and belts are wound between the two adjacent belt pulleys on the left side and the right side.

6. The raw material quality screening device for medicine production according to claim 5, wherein: still including making first connecting rod frame (63) can carry out pivoted combined mechanism (10) automatically, combined mechanism (10) are including circular arc frame (101), full gear (102), cylinder (103) and rack (104), the rose box (4) left and right sides all is connected with cylinder (103), all be connected with circular arc frame (101) on cylinder (103) the telescopic link, circular arc frame (101) and rose box (4) sliding connection, circular arc frame (101) upside all with the anterior left and right sides sliding connection of hollow plate (81), both sides all are connected with rack (104) around circular arc frame (101), first connecting rod frame (63) left and right sides all is connected with full gear (102), rack (104) and full gear (102) intermeshing that correspond.

7. The raw material quality screening device for medicine production according to claim 6, wherein: the upper part of the arc frame (101) is inclined, and the hollow plate (81) can be guided.

8. The raw material quality screening device for medicine production according to claim 7, wherein: still including collection mechanism (11) that is used for collecting the raw materials of screening, collection mechanism (11) is including arc angle case (111), third connecting rod frame (112) and big pull case (113), be connected with arc angle case (111) between pole setting (2) the lower part of the left and right sides, arc angle case (111) downside and chassis (1) rigid coupling, be connected with two bilateral symmetry's third connecting rod frame (112) between arc angle case (111) upside and rose box (4) front portion, arc angle case (111) and rose box (4) rear portion downside intercommunication, the gliding style is connected with big pull case (113) on arc angle case (111).