CN213194516U

CN213194516U - Herbal pieces-sieve separator

Info

Publication number: CN213194516U
Application number: CN202021742382.2U
Authority: CN
Inventors: 刘飞; 苏燕燕
Original assignee: Beijing Tong Chun Tang Pharmaceutical Co ltd
Current assignee: Beijing Tong Chun Tang Pharmaceutical Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-05-14
Anticipated expiration: 2030-08-19

Abstract

The utility model relates to a herbal pieces-sieve separator, including the organism, the inside feed inlet of intercommunication is seted up at the top of organism, and the inside guide mouth of intercommunication is seted up to the bottom of organism, has a plurality of screen cloth along vertical direction interval arrangement in the organism, and the aperture of a plurality of screen cloth is degressive downwards in proper order along vertical direction, all is provided with a set of vibration subassembly that is used for the vibration on a plurality of screen cloth, and a plurality of discharge gate, a plurality of are seted up along vertical direction to the lateral wall of organism discharge gate and a plurality of the screen cloth one-to-one, the one end of screen cloth and the inner wall of organism rotate to be connected, the position of the rotation tie point of screen cloth and organism is higher than the position rather than corresponding discharge gate, the screen cloth is kept away from its one end of being connected with the organism rotation and can. It can guarantee that herbal pieces-flows out from the discharge gate again after vibrating completely on the screen cloth, has the effect that improves herbal pieces-screening efficiency.

Description

Herbal pieces-sieve separator

Technical Field

The application relates to the technical field of herbal pieces-apparatus for producing, especially relates to a herbal pieces-sieve separator.

Background

The concept that the traditional Chinese medicine decoction pieces are processed and can be directly used for traditional Chinese medicine in clinical traditional Chinese medicine according to the traditional Chinese medicine theory and the traditional Chinese medicine processing method indicates that the traditional Chinese medicine and the traditional Chinese medicine decoction pieces have no absolute limit, the traditional Chinese medicine decoction pieces comprise part of traditional Chinese medicine slices processed through a production place, original-shaped traditional Chinese medicine decoction pieces and decoction pieces subjected to cutting and processing, the traditional Chinese medicine decoction pieces need to be screened in the production process of the traditional Chinese medicine decoction pieces, and poor scraps in the traditional Chinese medicine decoction pieces are screened out, so that a traditional Chinese medicine decoction piece screening machine is needed.

The traditional Chinese patent with the publication number of CN205816172U discloses a traditional Chinese medicine decoction piece inclined plane vibration screening machine, which comprises a frame and a screen body, wherein the frame and the screen body are flexibly connected, the frame is provided with a motor and a transmission shaft, and the transmission shaft and the motor are in belt transmission; the screen body comprises a shell comprising four side plates and a top plate, the top plate forms a certain angle with the horizontal direction, and a feeding hole is formed in the higher side of the top plate; a plurality of discharge ports are formed in the side plate of the shell; the screen body comprises a plurality of screens and a bottom plate, and the screens and the bottom plate form a certain angle with the horizontal direction; a rotating shaft is arranged below the screen body and is movably connected with the screen body, a balance weight is arranged on the rotating shaft, and the center of gravity of the balance weight is far away from the rotating center of the rotating shaft; the transmission shaft is connected with the rotating shaft through a coupler.

In the prior art, the inventor thinks that the screen forms a certain angle with the horizontal direction in the screen body, and the screen is arranged to one side of the discharge port on the side plate of the shell in an inclined manner, and when granular Chinese herbal pieces to be screened are poured into the screen from the feed port, because the screen has inclination, part of the Chinese herbal pieces on the screen can directly roll towards the lower end of the screen and then flow out from the discharge port, and the Chinese herbal pieces on the screen do not have to be fully vibrated, and part of the Chinese herbal pieces can flow out from the discharge port, so that the vibration efficiency of the screen is not high.

SUMMERY OF THE UTILITY MODEL

To the not enough that prior art exists, the purpose of this application provides a herbal pieces-sieve separator, and it can guarantee that herbal pieces-sieve vibration is followed the discharge gate again after complete and is flowed, has the effect that improves herbal pieces-sieve efficiency.

The above utility model of this application aim at can realize through following technical scheme:

a screening machine for Chinese medicinal decoction pieces comprises a machine body, a feed inlet communicated with the machine body is arranged at the top of the machine body, the bottom of the machine body is provided with a material guide port communicated with the interior, a plurality of screens are arranged in the machine body at intervals along the vertical direction, the apertures of the screens are sequentially decreased downwards along the vertical direction, a group of vibration components for vibration are arranged on the screens, a plurality of discharge ports are arranged on the side wall of the machine body along the vertical direction, a plurality of discharge ports are in one-to-one correspondence with a plurality of screens, one end of the screen is rotatably connected with the inner wall of the machine body, the position of the rotary connection point of the screen and the machine body is higher than the position of the discharge hole corresponding to the screen, the screen cloth is kept away from its one end of being connected with the organism rotation and can slide the setting to the direction of discharge gate, be provided with in the organism and be used for controlling screen cloth pivoted drive assembly.

Through adopting above-mentioned technical scheme, herbal pieces-after through vibration subassembly vibration a period on the screen cloth, adopt drive assembly, make the screen cloth rotate towards the direction of discharge gate, because the hinge point of screen cloth is higher than the discharge gate, therefore the screen cloth rotates the back, and the screen cloth is the inclined state and the lower one end of screen cloth is located discharge gate position department, and herbal pieces-on this screen cloth can flow from the position of guide mouth again after vibrating a period, has improved the efficiency that herbal pieces-screened.

The present application may be further configured in a preferred example to: the lateral wall relative with the discharge gate in the organism has seted up the cavity corresponding with the screen cloth, the vibrating assembly sets up the vibrating mass in the cavity and sets firmly vibrating motor on the screen cloth including the activity, the screen cloth is close to the one end of vibrating mass and is articulated with the vibrating mass, the vibrating mass can be in the cavity along the reciprocating vibration of vertical direction.

Through adopting above-mentioned technical scheme, adopt vibrating motor, make vibrating motor take the screen cloth to vibrate from top to bottom, the vibrating mass is given in the letter biography of screen cloth, makes the vibrating mass realize reciprocating vibration from top to bottom in the cavity, and the vibration through the screen cloth can be better with the herbal pieces-for-decocting medicinal herbs on the screen cloth screen.

The present application may be further configured in a preferred example to: the cavity internal stability is equipped with the guide post, the vertical setting of guide post, the guiding hole has been seted up to the vibrating mass, the guide post is worn to locate the guiding hole of vibrating mass and is slided with the vibrating mass and be connected.

Through adopting above-mentioned technical scheme, the screen cloth carries out sliding connection through vibrating mass and organism, and the vibrating mass is when vibrating from top to bottom, and the guide post slides the cooperation with the guiding hole of vibrating mass, can guarantee that the vibrating mass can only be in the cavity vibration from top to bottom, can not deviate from in the cavity.

The present application may be further configured in a preferred example to: the lateral wall that is located the homonymy with the discharge gate in the organism has been seted up and has been held the chamber, it is located the top of discharge gate to hold the chamber, drive assembly including slide from top to bottom set up in holding the linkage piece of intracavity and with linkage piece articulated pneumatic cylinder, the vertical downward setting of piston shaft of pneumatic cylinder, the piston shaft and the screen cloth of pneumatic cylinder are articulated, can push away the screen cloth when the piston shaft of pneumatic cylinder is extended down and rotate the position department to the discharge gate.

Through adopting above-mentioned technical scheme, the screen cloth still can pass through the pneumatic cylinder in the vibration and transmit the linkage piece that is located holding the intracavity, can guarantee the stability of screen cloth vibration from top to bottom in the organism through linkage piece and vibrating mass, and the piston shaft of pneumatic cylinder can push away the screen cloth and rotate and the slope setting to the direction of discharge gate simultaneously, and the herbal pieces-for-chinese medicine that cuts off on the screen cloth this moment can follow the discharge gate and flow.

The present application may be further configured in a preferred example to: the diapire slope of discharge gate sets up downwards.

Through adopting above-mentioned technical scheme, the slope of discharge gate diapire sets up the ejection of compact that can be better downwards.

The present application may be further configured in a preferred example to: the inner wall of organism has set firmly the butt joint board in the position department of discharge gate diapire, the butt joint board slope sets up, the butt joint board is unanimous with discharge gate slope direction, but one side butt that the screen cloth deviates from the pneumatic cylinder is on the butt joint board.

Through adopting above-mentioned technical scheme, the screen cloth is when the direction to the discharge gate rotates, through with the butt joint board butt, can judge screen cloth pivoted concrete position, the operation of being convenient for.

The present application may be further configured in a preferred example to: the upper surface that is located the top the screen cloth is followed to make a round trip to slide along the direction to the discharge gate and is provided with the switch-plate, the organism has seted up the hole of sliding in its lateral wall relative with the discharge gate, the downthehole slip that slides is connected with the slide bar, the slide bar extends to the organism in with switch-plate rigid coupling, the other end extends outside the organism.

By adopting the technical scheme, when the Chinese herbal pieces fall into the screen from the feeding hole, the poking plate arranged by sliding back and forth can better ensure that the Chinese herbal pieces are uniformly distributed on the screen, thereby being convenient for improving the vibration efficiency of the screen.

The present application may be further configured in a preferred example to: the outer wall of the machine body is provided with a control assembly for driving the sliding rod to slide back and forth, the control assembly comprises a control motor fixedly arranged on the outer wall of the machine body, a circular plate fixedly connected with an output shaft of the control motor, a fixed shaft fixedly arranged on one side of the circular plate departing from the control motor and positioned at the outer edge of the circular plate, and a hinge rod connected between the fixed shaft and the sliding rod in a hinged mode, wherein the output shaft of the control motor is vertically arranged upwards.

Through adopting above-mentioned technical scheme, adopt the control motor, the output shaft of control motor drives the plectane and rotates, and fixed axle on the plectane is circular motion along with the plectane, and at this moment, the hinge rod can realize pushing away or drawing two kinds of motion states to the slide bar, from this, can realize the slip back and forth of switch plate.

The present application may be further configured in a preferred example to: the material guide port at the bottom of the machine body is of a closing structure, and the collecting box is arranged at the position of the material guide port at the bottom of the machine body.

Through adopting above-mentioned technical scheme, the herbal pieces-that drops from the screen cloth drops to the collecting box in from the guide mouth, is convenient for to the collection of herbal pieces-.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the traditional Chinese medicine decoction pieces are vibrated for a period of time on the screen mesh by the vibrating component, the driving component is adopted to enable the screen mesh to rotate towards the direction of the discharge hole, and the hinge point of the screen mesh is higher than the discharge hole, so that after the screen mesh rotates, the screen mesh is in an inclined state, and the lower end of the screen mesh is positioned at the position of the discharge hole, so that the traditional Chinese medicine decoction pieces on the screen mesh can flow out from the position of the discharge hole after being vibrated for a period of time, and the screening efficiency of the;

2. the screen cloth still can pass through the pneumatic cylinder in the vibration and transmit the linkage piece that is located the intracavity, can guarantee the stability of screen cloth vibration from top to bottom in the organism through linkage piece and vibrating mass, and the piston shaft of pneumatic cylinder can push away the direction rotation and the slope setting of screen cloth to the discharge gate simultaneously, and the herbal pieces-for-chinese medicine that is cut off on the screen cloth this moment can follow the discharge gate and flow.

Drawings

FIG. 1 is a schematic structural diagram of a herbal pieces-screening machine according to an embodiment of the present application;

FIG. 2 is a first cross-sectional view of the housing in the embodiment of the present application;

FIG. 3 is a second cross-sectional view of the housing in the embodiment of the present application;

FIG. 4 is an enlarged view of portion A of FIG. 2;

FIG. 5 is a partial cross-sectional view of the housing in an embodiment of the present application;

fig. 6 is an enlarged view of a portion B in fig. 2.

In the figure, 1, a machine body; 11. supporting legs; 12. a feed inlet; 121. a feed hopper; 13. a discharge hopper; 131. a discharge pipe; 14. a discharge port; 15. a concave cavity; 151. a guide post; 16. an accommodating chamber; 161. a limiting rod; 17. a sliding hole; 18. mounting a plate; 2. a collection box; 3. screening a screen; 41. vibrating the block; 411. a guide hole; 42. a vibration motor; 51. a linkage block; 511. a limiting hole; 52. a hydraulic cylinder; 6. a butt joint plate; 7. a kick-out plate; 71. a slide bar; 81. controlling the motor; 82. a circular plate; 83. a fixed shaft; 84. a hinged lever.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses herbal pieces-sieve separator refers to 1, including organism 1, organism 1's appearance is the rectangle setting, and four tip position punishment of organism 1 lower surface have set firmly supporting leg 11 respectively, the vertical setting of supporting leg 11, and the lower extreme fixed connection of supporting leg 11 is subaerial. The top of the machine body 1 is provided with a feed inlet 12 communicated with the inside, and a feed hopper 121 is fixedly arranged at the position of the feed inlet 12. The bottom of organism 1 sets firmly out hopper 13 in the intercommunication between four supporting legs 11, goes out hopper 13 and keeps away from the cross-sectional area of organism 1 one end and be less than the cross-sectional area with organism 1 link, and the one end that goes out hopper 13 and keep away from organism 1 is provided with the guide mouth, and the position department of guide mouth has set firmly discharging pipe 131, the vertical setting of discharging pipe 131, and collecting box 2 that the uncovered setting in upper end was placed to the below of discharging pipe 131.

Referring to fig. 2, a plurality of screens 3 are arranged in the machine body 1 at intervals along the vertical direction, the number of the screens 3 is determined according to the height of the machine body 1, three screens 3 are taken as an example in the number of the screens 3 in the present application, the three screens 3 are arranged at equal intervals along the vertical direction, and the apertures of the three screens 3 are sequentially decreased downwards along the vertical direction. Three discharge ports 14 are formed in one side wall of the machine body 1, the three discharge ports 14 are arranged at equal intervals in the height direction of the machine body 1, and the three screen meshes 3 correspond to the three discharge ports 14 one to one.

Referring to fig. 3 and 4, each screen 3 is provided with a set of vibration components for vibration, each vibration component includes a vibration block 41 and a vibration motor 42, three cavities 15 are concavely provided on the inner side wall of the machine body 1 opposite to the discharge ports 14, the three cavities 15 correspond to the three screens 3 one to one and correspond to the three discharge ports 14 one to one, each cavity 15 is located above the corresponding discharge port 14, the vibration block 41 is located in the cavity 15, and the vibration block 41 can vibrate up and down in the cavity 15 in a reciprocating manner. The tip that screen cloth 3 is close to vibrating mass 41 is articulated with vibrating mass 41, and the free end of screen cloth 3 can rotate to the position of discharge gate 14, and vibrating motor 42 sets firmly in the lower surface of screen cloth 3, and vibrating motor 42 sets firmly in the position department that screen cloth 3 is close to vibrating mass 41. The vibration motor 42 vibrates the screen cloth 3, and the screen cloth 3 vibrates and simultaneously carries the vibrating mass 41 to reciprocate up and down in the cavity 15.

Set firmly guide post 151 in cavity 15, the vertical setting of guide post 151, the upper end of guide post 151 and the roof rigid coupling of cavity 15, the lower extreme in the guide post 151 and the diapire rigid coupling of cavity 15. The vibrating mass 41 is provided with a guide hole 411, the guide hole 411 is matched with the guide column 151, and the guide column 151 penetrates through the guide hole 411 of the vibrating mass 41 and is connected with the vibrating mass 41 in a sliding manner.

Referring to fig. 5, three accommodating cavities 16 are formed in the side wall of the machine body 1 on the same side as the discharge port 14, the three accommodating cavities 16 correspond to the screen meshes 3 one by one, a driving assembly for controlling the screen meshes 3 to rotate towards the discharge port 14 is arranged in the accommodating cavity 16, the driving assembly comprises a linkage block 51 and a hydraulic cylinder 52, the linkage block 51 is located in the accommodating cavity 16, and the linkage block 51 can slide up and down in the accommodating cavity 16 in a reciprocating manner. The piston shaft of the hydraulic cylinder 52 is vertically arranged downwards, the piston shaft of the hydraulic cylinder 52 is hinged with the upper surface of the screen cloth 3, and the cylinder body of the hydraulic cylinder 52 is hinged with the linkage block 51. The piston shaft of the hydraulic cylinder 52 extends to push the screen 3 to rotate toward the discharge port 14.

Hold and be provided with gag lever post 161 in the chamber 16, the vertical setting of gag lever post 161, the upper end of gag lever post 161 with the roof rigid coupling that holds chamber 16, the lower extreme of gag lever post 161 with the diapire rigid coupling that holds chamber 16 has seted up spacing hole 511 on the linkage block 51, spacing hole 511 and gag lever post 161 looks adaptation, gag lever post 161 wears to locate the spacing hole 511 of linkage block 51 and slides with linkage block 51 and is connected.

Referring to fig. 2, the diapire slope of discharge gate 14 sets up downwards, the inner wall of organism 1 has set firmly butt board 6 in the position department of 14 diapalls of discharge gate, the slope of butt board 6 sets up, butt board 6 is unanimous with the 14 slope directions of discharge gate, but screen cloth 3 when rotating to the position department that is close to discharge gate 14 butt on butt board 6, screen cloth 3 is when the butt on butt board 6, the slope of screen cloth 3 sets up, the lower one end butt of screen cloth 3 is on butt board 6, the herbal pieces-for-chinese-medicinal decoction on the screen cloth 3 flows out from discharge gate 14 simultaneously.

Referring to fig. 2 and 6, the upper surface of the uppermost screen 3 is provided with a material-shifting plate 7 in a sliding manner, the material-shifting plate 7 can shift the herbal pieces falling from the feeding port 12 in a mess, so that the herbal pieces are uniformly distributed on the screen 3, and the material-shifting plate 7 slides back and forth on the screen 3 in a direction toward the discharging port 14.

The machine body 1 is provided with a sliding hole 17 on the side wall opposite to the discharge hole 14, a sliding rod 71 is connected in the sliding hole 17 in a sliding manner, one end of the sliding rod 71 extends into the machine body 1 and is fixedly connected with the material shifting plate 7, and the other end of the sliding rod extends out of the machine body 1. By driving the slide rod 71, the slide rod 71 slides back and forth in the slide hole 17, whereby the slide rod 71 carries the switch plate 7 to and fro on the screen cloth 3.

The outer wall of organism 1 is provided with the gliding control assembly that makes a round trip of drive slide bar 71, control assembly includes control motor 81, plectane 82, fixed axle 83 and hinge bar 84, the outer wall of organism 1 has mounting panel 18 to the direction welding of keeping away from organism 1, the setting of mounting panel 18 level, control motor 81 fixed connection is in the lower surface of mounting panel 18, the vertical upwards setting that runs through mounting panel 18 of output shaft of control motor 81, the output shaft and the mounting panel 18 of control motor 81 rotate to be connected. The circular plate 82 is positioned above the mounting plate 18 and is attached to the mounting plate 18, the circular plate 82 and the output shaft of the control motor 81 are coaxially arranged, and the output shaft of the control motor 81 is fixedly connected with the middle position of the circular plate 82. The fixed shaft 83 is vertically arranged, the fixed shaft 83 is welded on the upper surface of the circular plate 82, the fixed shaft 83 is close to the outer edge of the circular plate 82, one end of the hinge rod 84 is hinged with the fixed shaft 83, and the other end of the hinge rod is hinged with one end of the sliding rod 71 outside the machine body 1. The output shaft of the control motor 81 drives the circular plate 82 to rotate, the circular plate 82 drives the fixed shaft 83 to rotate, the fixed shaft 83 rotates in the circumferential direction, the sliding rod 71 can be pushed or pulled through the hinge rod 84 to move, and then the material shifting plate 7 can be shifted to and fro on the screen mesh 3.

The implementation principle of the embodiment is as follows: the Chinese herbal pieces are poured into the machine body 1 from the feed hopper 121, the control motor 81 is started in the pouring process, the output shaft of the control motor 81 drives the circular plate 82 to rotate, the fixed shaft 83 on the circular plate 82 moves along the circular plate 82 in the circumferential direction, when the fixed shaft 83 moves to the end far away from the machine body 1, the hinged rod 84 carries the sliding rod 71 to move outwards from the sliding hole 17, and then the sliding rod 71 carries the kick plate 7 to slide on the screen cloth 3 in the direction close to the sliding hole 17, when the fixed shaft 83 is to move toward the end close to the machine body 1, the hinged rod 84 carries the sliding rod 71 to move inwards from the sliding hole 17, and then the sliding rod 71 carries the kick plate 7 to slide on the screen cloth 3 in the direction away from the sliding hole 17, therefore, the stirring plate 7 can stir the Chinese herbal pieces falling from the feed hopper 121 back and forth on the screen 3;

after the material-poking plate 7 moves for a period of time, the vibration motor 42 is started, the vibration motor 42 vibrates the screen mesh 3, the hydraulic cylinder 52 is started after the screen mesh 3 vibrates for a period of time, the piston shaft of the hydraulic cylinder 52 is extended, the screen mesh 3 is pushed to rotate, when the screen mesh 3 rotates to abut against the abutting plate 6, the hydraulic cylinder 52 is stopped, at the moment, the screen mesh 3 is in an inclined state, and the Chinese herbal pieces retained on the screen mesh 3 roll to the lower end of the screen mesh 3 and flow out from the position of the discharge hole 14.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a herbal pieces-sieve separator, includes organism (1), inside feed inlet (12) of intercommunication is seted up at the top of organism (1), the inside guide mouth of intercommunication, its characterized in that are seted up to the bottom of organism (1): a plurality of screens (3) are arranged in the machine body (1) at intervals along the vertical direction, the apertures of the screens (3) are sequentially decreased downwards along the vertical direction, a group of vibration components for vibration are arranged on the screens (3), a plurality of discharge holes (14) are arranged on the side wall of the machine body (1) along the vertical direction, a plurality of discharge holes (14) are in one-to-one correspondence with a plurality of screens (3), one end of the screen (3) is rotatably connected with the inner wall of the machine body (1), the position of the rotary connection point of the screen (3) and the machine body (1) is higher than the position of the discharge hole (14) corresponding to the rotary connection point, one end of the screen (3) far away from the rotary connection with the machine body (1) can be arranged in a sliding way towards the discharge hole (14), and a driving assembly for controlling the screen (3) to rotate is arranged in the machine body (1).

2. The herbal pieces-sieve separator of claim 1, wherein: the corresponding cavity (15) with screen cloth (3) is seted up with the relative lateral wall of discharge gate (14) in organism (1), the vibrating assembly sets up vibrating mass (41) in cavity (15) and sets firmly vibrating motor (42) on screen cloth (3) including the activity, one end that screen cloth (3) are close to vibrating mass (41) is articulated with vibrating mass (41), vibrating mass (41) can be in cavity (15) along the reciprocating vibration of vertical direction.

3. The herbal pieces-sieve separator of claim 2, wherein: guide post (151) have set firmly in cavity (15), guide post (151) vertical setting, guiding hole (411) have been seted up in vibrating mass (41), guiding post (151) are worn to locate guide hole (411) of vibrating mass (41) and are slided with vibrating mass (41) and be connected.

4. The herbal pieces-sieve separator of claim 3, wherein: the utility model discloses a screen cloth, including organism (1), drive assembly, linkage block (51) and the articulated pneumatic cylinder (52) of linkage block (51) that the drive assembly includes that the upper and lower slip sets up in holding chamber (16) and with linkage block (51), the vertical downward setting of piston shaft of pneumatic cylinder (52), the piston shaft and the screen cloth (3) of pneumatic cylinder (52) are articulated, the piston shaft of pneumatic cylinder (52) can push away screen cloth (3) and rotate the position department to discharge gate (14) when extending down with discharge gate (14) in organism (1).

5. The herbal pieces-sieve separator of claim 4, wherein: the bottom wall of the discharge hole (14) is arranged obliquely downwards.

6. The herbal pieces-sieve separator of claim 5, wherein: the inner wall of the machine body (1) is fixedly provided with a butt joint plate (6) at the position of the bottom wall of the discharge hole (14), the butt joint plate (6) is obliquely arranged, the tilt direction of the butt joint plate (6) is consistent with that of the discharge hole (14), and one side of the screen (3) departing from the hydraulic cylinder (52) can be butted on the butt joint plate (6).

7. The herbal pieces-sieve separator of claim 1, wherein: the screen cloth is characterized in that a shifting plate (7) is arranged on the upper surface of the screen cloth (3) on the uppermost side in a reciprocating sliding mode along the direction towards the discharge hole (14), a sliding hole (17) is formed in the side wall, opposite to the discharge hole (14), of the machine body (1), a sliding rod (71) is connected in the sliding hole (17) in a sliding mode, and the sliding rod (71) extends into the machine body (1) and is fixedly connected with the shifting plate (7) and the other end of the sliding rod extends out of the machine body (1).

8. The herbal pieces-sieve separator of claim 7, wherein: organism (1) outer wall is provided with the gliding control assembly that makes a round trip of drive slide bar (71), control assembly sets firmly fixed axle (83) that one side that deviates from control motor (81) and be located plectane (82) outward flange position department in plectane (82) including setting firmly control motor (81) in organism (1) outer wall, plectane (82) with the output shaft rigid coupling of control motor (81), articulated link (84) between fixed axle (83) and slide bar (71), the vertical upwards setting of output shaft of control motor (81).

9. The herbal pieces-sieve separator of claim 1, wherein: the material guide port at the bottom of the machine body (1) is of a closing-in structure, and the collecting box (2) is arranged at the position of the material guide port at the bottom of the machine body (1).