CN113318969B

CN113318969B - Primary pepper seed screening equipment

Info

Publication number: CN113318969B
Application number: CN202110627808.2A
Authority: CN
Inventors: 王芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-05
Filing date: 2021-06-05
Publication date: 2023-03-28
Anticipated expiration: 2041-06-05
Also published as: CN113318969A

Abstract

The invention relates to seed screening equipment, in particular to preliminary seed screening equipment for peppers. The technical problem to be solved is to provide a primary pepper seed screening device which has a good screening effect and a collecting function. The technical scheme is as follows: a primary pepper seed screening device comprises a base and a placing mechanism, wherein the placing mechanism is arranged at the top of the base; the screening mechanism is arranged on the placing mechanism. According to the invention, people put the dried peppers on the placing mechanism, then people start the screening mechanism, and the peppers are screened under the action of the screening mechanism, so that the peppers and the pepper seeds are separated, the screening effect is good, and the working efficiency of people is effectively improved.

Description

Primary pepper seed screening equipment

Technical Field

The invention relates to seed screening equipment, in particular to preliminary seed screening equipment for peppers.

Background

The wood of the pepper is typically light yellow, and the pepper can be used as a traditional Chinese medicine and has the effects of warming middle-jiao and promoting qi circulation, expelling cold, relieving pain, killing insects and the like.

People need to remove pepper seeds after picking and drying peppers, and then the pepper seeds are sold to a purchaser as commodities, in the traditional pepper seed screening method, the peppers are usually dried manually, after the peppers are dried, a wooden stick is used for continuously knocking the peppers to separate the peppers from the pepper seeds, then the peppers are screened through a dustpan or a bamboo screen, the labor intensity of people is increased by manually screening the seeds, the seed screening speed is low, the requirements of the purchaser are difficult to meet, and the working efficiency is not high.

To sum up, a primary pepper seed screening device with better screening effect and collection function needs to be designed to solve the problems.

Disclosure of Invention

In order to overcome the defects that the seed sieving work of the pepper is manually carried out, the labor intensity of people is increased, the seed sieving speed is low due to the fact that the seed sieving is not careful enough, and the requirements of purchasers are hardly met, the technical problem to be solved is that: provides a primary pepper seed screening device with better screening effect and collection function.

The technical scheme is as follows: a kind of prickly ash preliminary sifts the seed apparatus, including: the device comprises a base and a placing mechanism, wherein the placing mechanism is arranged at the top of the base; the screening mechanism is arranged on the placing mechanism.

As a further preferable aspect, the placing mechanism includes: the top of the base is symmetrically provided with the supporting frames; the rotating shaft is rotatably arranged between one sides of the supporting frames; the screen is arranged in the middle of one side of the rotating shaft in a sliding manner; the two sides of the rotating shaft are provided with the convex blocks; the dog, inside one side of support frame all is equipped with the dog, and the dog all cooperates with the lug.

As a further preferred embodiment, the screening mechanism comprises: the inner sides of the support frames are provided with first guide rails; a motor base is arranged between the bottoms of the first guide rails; the double-shaft motor is arranged on the inner side of the motor base; the rotating shafts are symmetrically and rotatably arranged on the inner sides of the motor bases and are connected with output shafts of the double-shaft motors; the rotating shafts are provided with first gears; the inner sides of the first guide rails are provided with special-shaped pieces in a sliding manner; the bottom of each special-shaped piece is provided with a first rack which is meshed with the first gear; the first wedge-shaped rod is arranged on one side of the bottom of the screen; the tops of the special-shaped pieces are provided with second racks; the rotating shaft is symmetrically provided with second gears which are matched with the second racks; the first springs are arranged between the second gear and the screen mesh and sleeved on the rotating shaft; the button, the inside both sides of first guide rail all are equipped with the button, and the button all cooperates with the biax motor, and dysmorphism piece all cooperates with the button.

As a further preferable scheme, the device further comprises a lifting component, wherein the lifting component comprises: one side of the support frame is symmetrically provided with a second guide rail; the inner sides of the second guide rails are both provided with sliding blocks in a sliding manner; second springs are arranged between the sliding blocks and the second guide rails; the box body is arranged between the inner sides of the sliding blocks; the two sides of the box body are provided with second wedge-shaped rods; first baffle, the inside both sides slidingtype of box is equipped with first baffle.

As a further preferred scheme, the automatic feeding device further comprises a blanking assembly, wherein the blanking assembly comprises: the second guide rail on one side of each first guide rod is provided with three first guide rods; the ratchet bars are arranged among the three first guide rods in a sliding manner; three third springs are arranged between the ratchet bar and the second guide rail on one side, and the third springs are sleeved on the first guide rod; the transmission shafts are rotatably arranged on the other two sides of the box body; the transmission shafts of the ratchet gears are provided with ratchet gears which are matched with the ratchet bars; one side of the transmission shaft is provided with a third gear; the connecting rod is arranged between one sides of the first baffle plates; the third rack is arranged on two sides of the top of the connecting rod and meshed with the third gear; one side of the box body is provided with a second guide rod; the first fixed seat is arranged on one side of the second guide rod in a sliding manner and is connected with the first baffle on one side; a fourth spring is arranged between the first fixed seat and the box body and sleeved on the second guide rod; the top of the first guide rail is provided with a top rod; one side of the box body is symmetrically provided with a second fixed seat; a third wedge-shaped rod is arranged on one side inside the second fixing seat in a sliding manner; and the fifth springs are arranged between the third wedge-shaped rod and the second fixing seat and sleeved on the third wedge-shaped rod.

As a further preferable scheme, the device further comprises a collecting assembly, wherein the collecting assembly comprises: the top of the base is provided with a supporting seat; the first collecting frame is arranged on one side of the top of the supporting seat in a sliding manner; and a second collecting frame is arranged on the other side of the top of the supporting seat in a sliding manner.

As a further preferred scheme, the screening machine further comprises a material blocking assembly, and the material blocking assembly is arranged on the screening mechanism.

As a further preferred scheme, still include and keep off material subassembly, keep off material subassembly including: the second baffle plates are arranged on one sides of the tops of the first guide rails; a third baffle plate is arranged between one sides of the inner parts of the second baffle plates in a sliding manner; a fourth wedge-shaped rod is arranged on one side of the second baffle in a sliding mode and matched with the third baffle; and the sixth spring is arranged between the fourth wedge-shaped rod and the second baffle and sleeved on the fourth wedge-shaped rod.

The beneficial effects are that: 1. according to the invention, people put the dried peppers on the placing mechanism, then people start the screening mechanism, and the peppers are screened under the action of the screening mechanism, so that the peppers and the pepper seeds are separated, the screening effect is good, and the working efficiency of people is effectively improved.

2. Through the effect of screen cloth, filter the prickly ash, make the prickly ash seed after filtering drop in the second collects the frame, simultaneously under the effect of screen cloth, will accomplish the prickly ash after the sieve seed and pour in first collection frame, sieve prickly ash and prickly ash seed more clear and definite to effectively alleviate people's intensity of labour.

3. Under the action of the third baffle, the pepper can fall in the first collection frame more intensively, and after the first collection frame and the second collection frame are filled with the pepper, people move the fourth wedge rod outwards, so that the fourth wedge rod does not block the third baffle, people can move the first collection frame and the second collection frame away, and people can process the pepper in the later period.

Drawings

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

Fig. 2 is a schematic perspective view of the placement mechanism of the present invention.

Fig. 3 is a schematic perspective view of the screening mechanism of the present invention.

Fig. 4 is a schematic perspective view of the lifting assembly of the present invention.

Fig. 5 is a schematic perspective view of the blanking assembly of the present invention.

Fig. 6 is a perspective view of the collecting assembly of the present invention.

Fig. 7 is a schematic perspective view of the dam assembly of the present invention.

Part names and serial numbers in the figure: 1_ base, 2_ placement mechanism, 20_ support frame, 21_ rotation axis, 22_ screen, 23_ projection, 24_ stopper, 3_ screening mechanism, 30_ first guide rail, 31_ motor seat, 32_ two-axis motor, 33_ rotation axis, 34_ first gear, 35_ first rack, 36_ profile, 37_ first wedge bar, 38_ second rack, 39_ second gear, 310_ first spring, 311_ button, 4_ lifting assembly, 40_ second guide rail, 41_ second spring, 42_ slider, 43_ box, 44_ second wedge bar, 45_ first baffle, 5_ blanking assembly, 50_ ratchet bar, 51_ first guide bar, 52_ third spring, 53_ ratchet wheel, 54_ transmission shaft, 55_ third gear, 56_ third rack, 57_ link, 58_ second guide bar, 59_ first fixing seat, 511_ fourth spring, 57_ second spring, 512_ third wedge bar, 513_ third wedge bar, 514_ third spring, 56_ second spring frame, 60_ second baffle frame assembly, 73_ first baffle frame, second baffle frame assembly, 73_ second baffle frame assembly, 73, second baffle frame assembly, and second baffle frame assembly.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings.

Example 1

The utility model provides a preliminary sieve seed equipment of prickly ash, as shown in fig. 1, fig. 2 and fig. 3, including base 1, placement mechanism 2 and screening mechanism 3, the 1 top of base is equipped with placement mechanism 2, is equipped with screening mechanism 3 on placement mechanism 2.

When people need to sieve the seeds of the peppers, people put the dried peppers and the seeds on the placing mechanism 2, then people start the screening mechanism 3, sieve the seeds of the peppers under the action of the screening mechanism 3, separate the peppers and the pepper seeds, after the pepper is sieved, people respectively put the peppers and the seeds at proper positions, and when people do not need to sieve the seeds of the peppers, people close the screening mechanism 3.

Place mechanism 2 including support frame 20, rotation axis 21, screen cloth 22, lug 23 and dog 24, 1 top symmetry of base is equipped with support frame 20, and the rotary type is equipped with rotation axis 21 between the left side of support frame 20 upper portion, and the slidingtype screen cloth 22 that is equipped with in the middle of the rotation axis 21 outside, and both sides are equipped with lug 23 around the rotation axis 21 right part, and the inside upside of support frame 20 all is equipped with dog 24, and dog 24 all cooperates with lug 23.

Screening mechanism 3 is including first guide rail 30, motor cabinet 31, biax motor 32, axis of rotation 33, first gear 34, first rack 35, dysmorphism piece 36, first wedge pole 37, second rack 38, second gear 39, first spring 310 and button 311, support frame 20 inboard all is equipped with first guide rail 30, be equipped with motor cabinet 31 between the bottom of first guide rail 30, motor cabinet 31 inboard is equipped with biax motor 32, motor cabinet 31 inboard symmetry rotary type is equipped with axis of rotation 33, axis of rotation 33 all is connected with the output shaft of biax motor 32, all be equipped with first gear 34 on the axis of rotation 33, first guide rail 30 inboard all slidingtype is equipped with dysmorphism piece 36, dysmorphism piece 36 bottom all is equipped with first rack 35, first rack 35 all meshes with first gear 34, screen cloth 22 bottom right side is equipped with first wedge pole 37, dysmorphism piece 36 top all is equipped with second rack 38, the symmetry is equipped with second gear 39 on the rotation axis 21, second gear 39 all cooperates with second rack 38, all be equipped with first spring 310 between second gear 39 and screen cloth 22, first spring 310 all is overlapped on the inside the guide rail 30, button 311 all is equipped with the cooperation of biax motor 311, right-left-right side button 311, all is equipped with the cooperation of button 311, the cooperation of button.

When people need to sieve the pepper seeds, people put the pepper seeds on the screen 22, the pepper seeds drop on a proper position through the screen 22, then people start the double-shaft motor 32, under the action of an output shaft of the double-shaft motor 32, the rotating shaft 33 and the first gear 34 are driven to rotate anticlockwise, the first gear 34 is meshed with the first rack 35, the special-shaped piece 36 and the second rack 38 are driven to move leftwards, the special-shaped piece 36 is in contact with the first wedge-shaped rod 37, under the action of the special-shaped piece 36, the first wedge-shaped rod 37 continuously moves forwards and backwards, under the action of the first spring 310, the screen 22 is driven to continuously move forwards and backwards, the pepper and the pepper seeds are filtered under the action of the screen 22, meanwhile, the second rack 38 moves leftwards and is meshed with the second gear 39, the rotating shaft 21 and the screen 22 rotate anticlockwise, when the special-shaped piece 36 continues to move leftwards, the button 311 on the left side is pressed under the action of the special-shaped piece 36 to reversely start the double-shaft motor 32, so that the rotating shaft 33 and the first gear 34 are driven to rotate clockwise, the first rack 35, the special-shaped piece 36 and the second rack 38 are driven to move rightwards under the action of the first gear 34, the second rack 38 is meshed with the second gear 39 again, the second gear 39, the rotating shaft 21 and the screen 22 are driven to rotate clockwise and reset under the action of the second rack 38, the screen 22 and the lug 23 are blocked by the block 24, when the special-shaped piece 36 and the second rack 38 continue to move rightwards, the second rack 38 is separated from the second gear 39, the special-shaped piece 36 continues to move rightwards, the button 311 on the right side is pressed under the action of the special-shaped piece 36, the output shaft of the double-shaft motor 32 rotates anticlockwise again, and the steps are repeated, when people do not need to sieve seeds of pepper, one simply turns off the dual-shaft motor 32.

Example 2

On the basis of embodiment 1, as shown in fig. 4, 5, 6 and 7, the lifting device further comprises a lifting assembly 4, wherein the lifting assembly 4 comprises a second guide rail 40, a second spring 41, a slider 42, a box 43, a second wedge-shaped rod 44 and a first baffle 45, the second guide rail 40 is symmetrically arranged on the inner side of the upper portion of the support frame 20, the slider 42 is arranged on the inner side of the second guide rail 40 in a sliding manner, the second spring 41 is arranged between the slider 42 and the second guide rail 40, the box 43 is arranged between the inner sides of the slider 42, the second wedge-shaped rod 44 is arranged on the front and rear sides of the right lower portion of the box 43, and the first baffle 45 is arranged on the upper and lower sides in the box 43 in a sliding manner.

When the materials of pepper seeds need to be screened are insufficient, people directly pour pepper into the box body 43, the pepper is enabled to fall on the first baffle 45 on the upper side, then people move the first baffle 45 on the upper side leftwards, the first baffle 45 on the upper side is enabled not to block the box body 43 any more, meanwhile, people move the first baffle 45 on the lower side leftwards to block the box body 43, the pepper can fall on the first baffle 45 on the lower side, then people manually move the box body 43 upwards to drive the sliding block 42 to move upwards, the second spring 41 is compressed, under the action of the output shaft of the double-shaft motor 32, the second rack 38 is meshed with the second gear 39, the sieve 22 is driven to rotate to pour the filtered pepper onto a proper position, after the sieve 22 is driven to rotate and reset under the action of the first spring 310, at the moment, people loosen the box body 43, under the action of the second spring 41, the box body 43 and the sliding block 42 are driven to move downwards and reset, then people simultaneously move the first sieve 45 on the upper side and the lower side rightwards, and the pepper on the first baffle 45 on the lower side is enabled to fall on the first baffle 22.

The blanking assembly 5 comprises a ratchet rack 50, a first guide rod 51, a third spring 52, a ratchet gear 53, a transmission shaft 54, a third gear 55, a third rack 56, a connecting rod 57, a second guide rod 58, a first fixed seat 59, a fourth spring 510, a top rod 511, a third wedge-shaped rod 512, a second fixed seat 513 and a fifth spring 514, wherein the left side of the right second guide rail 40 is provided with three first guide rods 51, the ratchet racks 50 are arranged among the three first guide rods 51 in a sliding manner, the three third springs 52 are arranged between the ratchet rack 50 and the right second guide rail 40, the third springs 52 are sleeved on the first guide rods 51, the transmission shafts 54 are rotatably arranged on the front side and the rear side of the lower part of the box body 43, the ratchet gears 53 are arranged on the transmission shafts 54, and the ratchet gears 53 are matched with the ratchet racks 50, third gears 55 are arranged on the inner sides of the transmission shafts 54, connecting rods 57 are arranged between the outer sides of the first baffles 45, third racks 56 are arranged on the front and rear sides of the tops of the connecting rods 57, the third racks 56 are all meshed with the third gears 55, a second guide rod 58 is arranged on the lower portion of the left side of the box body 43, first fixing seats 59 are slidably arranged on the outer sides of the second guide rods 58, the first fixing seats 59 are connected with the first baffles 45 on the upper side, fourth springs 510 are arranged between the first fixing seats 59 and the box body 43, the fourth springs 510 are sleeved on the second guide rods 58, ejector rods 511 are arranged on the tops of the first guide rails 30, second fixing seats 513 are symmetrically arranged on the right side of the lower portion of the box body 43, third wedge-shaped rods 512 are slidably arranged on the inner sides of the right portions of the second fixing seats 513, fifth springs 514 are arranged between the third wedge-shaped rods 512 and the second fixing seats 513, and the fifth springs 514 are sleeved on the third wedge-shaped rods 512.

Under the action of the output shaft of the dual-shaft motor 32, the special-shaped member 36 is driven to move leftwards to contact with the second wedge-shaped rod 44, under the action of the special-shaped member 36, the second wedge-shaped rod 44 is driven to move upwards, so that the box body 43 and the ratchet wheel 53 are driven to move upwards, and further the second fixed seat 513 and the third wedge-shaped rod 512 are driven to move upwards, the ratchet wheel 53 moves upwards to be meshed with the ratchet bar 50, under the action of the ratchet bar 50, the ratchet wheel 53 is driven to rotate, so that the transmission shaft 54 and the third gear 55 are driven to rotate, so that the third gear 55 is meshed with the third rack 56, under the action of the third gear 55, the third rack 56 is driven to move leftwards, so that the connecting rod 57 and the first baffle plates 45 on the upper and lower sides are driven to move leftwards, so that the first fixed seat 59 is driven to move leftwards, the fourth spring 510 is stretched, and simultaneously the third wedge-shaped rod 512 moves upwards to be separated from the ejector rod 511, the fifth spring 514 is in a stretched state, at this time, the third wedge bar 512 is driven to move downwards by the action of the fifth spring 514, at this time, the third wedge bar 512 is made to block the connecting rod 57 and can not move rightwards, when the output shaft of the double-shaft motor 32 drives the special-shaped piece 36 to move rightwards, the special-shaped piece 36 is made to be separated from the second wedge bar 44, the box body 43 and the ratchet gear 53 are driven to move downwards by the reset action of the second spring 41, so that the connecting rod 57, the second fixed seat 513 and the third wedge bar 512 are driven to move downwards, the ratchet gear 53 moves downwards to be contacted with the ratchet 50, as the ratchet gear 53 and the ratchet 50 are operated in one direction, the ratchet 50 moves rightwards by the action of the ratchet gear 53, the third spring 52 is compressed, after the box body 43 continues to move downwards, the ratchet gear 53 is driven to move downwards to be separated from the ratchet 50, the ratchet 50 moves leftwards to reset by the action of the third spring 52, meanwhile, the third wedge-shaped rod 512 moves downwards to be in contact with the top rod 511, the third wedge-shaped rod 512 cannot move downwards under the action of the top rod 511, the fifth spring 514 is stretched, the third wedge-shaped rod 512 does not clamp the connecting rod 57 any more, the first fixed seat 59, the connecting rod 57 and the first baffle 45 are driven to move rightwards to reset under the action of the fourth spring 510, the third rack 56 is driven to move rightwards to be meshed with the third gear 55, and the first baffle 45 drops the peppers on the screen 22.

Still including collecting subassembly 6, collecting subassembly 6 is equipped with supporting seat 60 including supporting seat 60, first collection frame 61 and second collection frame 62 at the top of base 1, and supporting seat 60 top left side slidingtype is equipped with first collection frame 61, and supporting seat 60 top right side slidingtype is equipped with second collection frame 62.

After the prickly ash passes through screen 22, under the effect of screen 22, make the prickly ash seed directly drop in second collection frame 62, under the effect of biax motor 32 output shaft, make second rack 38 and second gear 39 mesh, it is rotatory to drive second gear 39, thereby it is rotatory to drive screen 22, will accomplish the prickly ash after the sieve seed under the effect of screen 22 and pour in first collection frame 61, after first collection frame 61 and second collection frame 62 all fill, people manually move first collection frame 61 and second collection frame 62 to the left, pour prickly ash and prickly ash seed out and store and handle, then people will move first collection frame 61 and second collection frame 62 to the right, put back on supporting seat 60.

Still including keeping off material subassembly 7, keep off material subassembly 7 including second baffle 70, third baffle 71, fourth wedge pole 72 and sixth spring 73, first guide rail 30 top left side all is equipped with second baffle 70, slidingtype is equipped with third baffle 71 between the inside left side of second baffle 70, the equal slidingtype in the left part in the outside of second baffle 70 is equipped with fourth wedge pole 72, fourth wedge pole 72 all cooperates with third baffle 71, all be equipped with sixth spring 73 between fourth wedge pole 72 and the second baffle 70, sixth spring 73 all overlaps on fourth wedge pole 72.

When the screen 22 rotates counterclockwise to pour the peppers into the first collecting frame 61, the peppers can be more intensively dropped into the first collecting frame 61 under the action of the third baffle plate 71, after the first collecting frame 61 and the second collecting frame 62 are filled, the people move the fourth wedge rod 72 outwards so that the fourth wedge rod 72 does not block the third baffle plate 71, the sixth spring 73 is stretched, at the moment, the people move the third baffle plate 71 upwards so that the third baffle plate 71 does not block the first collecting frame 61, the people can move the first collecting frame 61 leftwards, when the people replace the first collecting frame 61 and the second collecting frame 62 to the original positions, the people move the third baffle plate 71 downwards to continue to block the first collecting frame 61, at the moment, the people loosen the fourth wedge rod 72, and under the action of the sixth spring 73, the fourth wedge rod 72 is driven to move inwards to reset so that the fourth wedge rod 72 blocks the third baffle plate.

The embodiments described above are provided to enable persons skilled in the art to make or use the invention and that modifications or variations can be made to the embodiments described above by persons skilled in the art without departing from the inventive concept of the present invention, so that the scope of protection of the present invention is not limited by the embodiments described above but should be accorded the widest scope consistent with the innovative features set forth in the claims.

Claims

1. The utility model provides a prickly ash preliminary sieve seed equipment which characterized in that, including:

the device comprises a base (1) and a placing mechanism (2), wherein the placing mechanism (2) is arranged at the top of the base (1);

the screening mechanism (3) is arranged on the placing mechanism (2);

the placing mechanism (2) comprises:

the top of the base (1) is symmetrically provided with the support frames (20);

a rotating shaft (21), wherein the rotating shaft (21) is rotatably arranged between one sides of the supporting frames (20);

the screen (22) is arranged in the middle of one side of the rotating shaft (21) in a sliding manner;

the lug (23), the rotary shaft (21) both sides are equipped with the lug (23);

the stop blocks (24) are arranged on one side inside the support frame (20), and the stop blocks (24) are matched with the convex blocks (23);

screening mechanism (3) including:

the inner sides of the support frames (20) are provided with first guide rails (30);

a motor base (31) is arranged between the bottoms of the first guide rails (30);

the double-shaft motor (32) is arranged on the inner side of the motor base (31);

the rotating shaft (33) is symmetrically and rotatably arranged on the inner side of the motor base (31), and the rotating shaft (33) is connected with the output shaft of the double-shaft motor (32);

the rotating shafts (33) are provided with first gears (34);

the inner sides of the first guide rails (30) are both provided with the special-shaped pieces (36) in a sliding manner;

the bottom of each special-shaped piece (36) is provided with a first rack (35), and the first racks (35) are meshed with the first gears (34);

the first wedge-shaped rod (37) is arranged on one side of the bottom of the screen (22);

the top of each special-shaped piece (36) is provided with a second rack (38);

the second gears (39) are symmetrically arranged on the rotating shaft (21), and the second gears (39) are matched with the second rack (38);

the first springs (310) are arranged between the second gear (39) and the screen (22), and the first springs (310) are sleeved on the rotating shaft (21);

the button (311) is arranged on each of two sides inside the first guide rail (30), the buttons (311) are matched with the double-shaft motor (32), and the special-shaped pieces (36) are matched with the buttons (311);

still including lifting unit (4), lifting unit (4) including:

the second guide rails (40) are symmetrically arranged on one sides of the support frame (20);

the inner sides of the second springs (41) and the second guide rails (40) are both provided with sliding blocks (42) in a sliding manner;

a second spring (41) is arranged between the sliding block (42) and the second guide rail (40);

the box body (43) is arranged between the inner sides of the sliding blocks (42);

the two sides of the box body (43) are provided with second wedge-shaped rods (44);

the first baffle (45) is arranged on two sides inside the box body (43) in a sliding manner;

still including unloading subassembly (5), unloading subassembly (5) including:

the first guide rods (51) are arranged, and the second guide rail (40) on one side is provided with three first guide rods (51);

the ratchet bars (50) are arranged among the three first guide rods (51) in a sliding manner;

three third springs (52) are arranged between the ratchet bar (50) and the second guide rail (40) on one side, and the third springs (52) are sleeved on the first guide rod (51);

the transmission shaft (54) is rotatably arranged on the other two sides of the box body (43);

the ratchet gears (53) are arranged on the transmission shafts (54), and the ratchet gears (53) are matched with the ratchet bars (50);

a third gear (55) is arranged on one side of the transmission shaft (54);

the connecting rod (57) is arranged between one sides of the first baffle plates (45);

the third rack (56) is arranged on two sides of the top of the connecting rod (57), and the third racks (56) are meshed with the third gear (55);

a second guide rod (58), wherein one side of the box body (43) is provided with the second guide rod (58);

the first fixing seat (59) is arranged on one side of the second guide rod (58) in a sliding mode, and the first fixing seat (59) is connected with the first baffle (45) on one side;

a fourth spring (510), wherein the fourth spring (510) is arranged between the first fixed seat (59) and the box body (43), and the fourth spring (510) is sleeved on the second guide rod (58);

the top of the first guide rail (30) is provided with a top rod (511);

a second fixed seat (513), wherein one side of the box body (43) is symmetrically provided with the second fixed seat (513);

a third wedge-shaped rod (512) is arranged on one side inside the second fixed seat (513) in a sliding manner;

fifth springs (514) are arranged between the third wedge-shaped rod (512) and the second fixed seat (513), and the fifth springs (514) are sleeved on the third wedge-shaped rod (512);

still including collection subassembly (6), collection subassembly (6) including:

the supporting seat (60) is arranged at the top of the base (1);

the first collecting frame (61) is arranged on one side of the top of the supporting seat (60) in a sliding mode;

the other side of the top of the supporting seat (60) is provided with a second collecting frame (62) in a sliding manner;

the screening machine also comprises a material blocking assembly (7), and the screening mechanism (3) is provided with the material blocking assembly (7);

keep off material subassembly (7) including:

a second baffle (70), wherein one side of the top of the first guide rail (30) is provided with the second baffle (70);

a third baffle plate (71), wherein the third baffle plate (71) is arranged between one sides of the inner parts of the second baffle plates (70) in a sliding manner;

a fourth wedge-shaped rod (72) is arranged on one side of the second baffle plate (70) in a sliding mode, and the fourth wedge-shaped rods (72) are matched with the third baffle plate (71);

sixth springs (73) are arranged between the fourth wedge-shaped rods (72) and the second baffle (70), and the sixth springs (73) are sleeved on the fourth wedge-shaped rods (72).