CN212910857U

CN212910857U - Dustless crushing apparatus of agricultural straw

Info

Publication number: CN212910857U
Application number: CN202021625359.5U
Authority: CN
Inventors: 林少娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-04-09
Anticipated expiration: 2030-08-07

Abstract

The utility model belongs to the crushing apparatus field, especially, dustless crushing apparatus of agricultural straw, including smashing the case, the feed inlet has been seted up at the top of smashing the case, the top fixed mounting who smashes the case has the piston case that two symmetries set up, the top fixed mounting who smashes the case has the rose box that two symmetries set up, first hole has all been seted up on the both sides inner wall of feed inlet, first downthehole fixed mounting has first filter screen, one side fixed mounting of piston case has the one end of first connecting pipe, the other end fixed mounting of first connecting pipe has the suction hood, and suction hood fixed mounting is on the feed inlet, suction hood and first hole looks adaptation, the opposite side fixed mounting of piston case has the one end of second connecting pipe, the other end fixed mounting of second connecting pipe is on the rose box. The utility model relates to a rationally, through the reciprocating motion of piston, can absorb the dust and discharge through the rose box to can prevent wafting of dust.

Description

Dustless crushing apparatus of agricultural straw

Technical Field

The utility model relates to a crushing apparatus technical field especially relates to a dustless crushing apparatus of agricultural straw.

Background

The straw rubbing crusher can smash the cornstalk, the straw, the peanut skin, the bean stalk, the crop waste material stalk that flowers firewood etc. can burn, the dustless crushing apparatus of current agricultural straw all adopts uncovered formula pan feeding mechanism to carry the straw, because it has more dust to adhere to on the straw, when carrying out the straw crushing like this, can produce a large amount of dirt bits, the dirt bits of high-speed flying can fly out and float in the air from the pan feeding mouth, influence staff's health, therefore we have proposed a dustless crushing apparatus of agricultural straw and have been used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that when the straws are crushed, a large amount of dust can be generated, the dust flying at high speed can fly out of a feeding port and float in the air, which influences the health of workers, and provides the agricultural straw dust-free crushing equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a dust-free crushing device for agricultural straws comprises a crushing box, wherein a feed inlet is formed in the top of the crushing box, two piston boxes which are symmetrically arranged are fixedly mounted at the top of the crushing box, two filter boxes which are symmetrically arranged are fixedly mounted at the top of the crushing box, first holes are formed in the inner walls of the two sides of the feed inlet, a first filter screen is fixedly mounted in each first hole, one end of a first connecting pipe is fixedly mounted at one side of each piston box, a dust hood is fixedly mounted at the other end of the first connecting pipe, the dust hood is fixedly mounted on the feed inlet and is matched with the first holes, one end of a second connecting pipe is fixedly mounted at the other side of each piston box, the other end of the second connecting pipe is fixedly mounted on each filter box, a second hole is formed in the inner wall of each filter box, a second filter screen is fixedly mounted in each second hole, and a first annular plate is, one side of the first annular plate is hinged with a first baffle plate, one side of the first baffle plate is fixedly provided with one end of a first spring, the other end of the first spring is fixedly arranged on the inner wall of the first connecting pipe, the inner wall of the second connecting pipe is fixedly provided with a second annular plate, one side of the second annular plate is fixedly provided with a second baffle plate, one side of the second baffle plate is fixedly provided with one end of a second spring, the other end of the second spring is fixedly arranged on the inner wall of the second connecting pipe, a piston is hermetically arranged in a piston box, the bottom of the piston is fixedly provided with one end of a vertical rod, the bottom end of the vertical rod extends to the bottom end of the crushing box and is fixedly provided with a connecting plate, the top of the connecting plate is fixedly provided with one end of a return spring, the other end of the return spring is fixedly arranged on the inner wall of the, the one end fixed mounting of dwang has the cam, and cam and link looks adaptation rotate on the both sides inner wall of crushing case and install the pivot that two symmetries set up, and fixed cover is equipped with the crushing roller in the pivot, and a pivot in two pivots extends to the outside of crushing case, and equal fixed mounting has a belt pulley on pivot and the dwang, and fixed mounting has same belt on two belt pulleys.

Preferably, two symmetrically arranged seal boxes are fixedly mounted on the inner wall of the top of the crushing box, and the cam is positioned in the corresponding seal box.

Preferably, a driving motor is fixedly installed on one side of the crushing box, and an output shaft of the driving motor is fixedly installed on the corresponding rotating shaft.

Preferably, the inner wall of the top of the crushing box is provided with a moving hole, and the vertical rod is slidably mounted in the moving hole.

Preferably, the rotating rod is fixedly sleeved with a bearing, and an outer ring of the bearing is fixedly installed on the inner wall of the rotating hole.

In the utility model, the agricultural straw dust-free smashing equipment is characterized in that the driving motor is started, the driving motor can drive the rotating shaft and the crushing roller to rotate, then the agricultural straw is adjusted into the feed inlet, the rotating shaft can drive the rotating rod to rotate through the belt pulley and the belt, the rotating rod can drive the cam to rotate, the rotation of the cam can drive the connecting plate to reciprocate up and down, and the connecting plate can drive the piston to reciprocate up and down through the vertical rod;

when the piston moves downwards, make the atmospheric pressure in the piston case change, there is certain atmospheric pressure difference this moment second connecting pipe and piston case, atmospheric pressure can promote the second baffle and remove and compress the second spring this moment, thereby can open the second annular plate, the negative pressure that the piston case produced this moment absorbs the intraoral dust of feed inlet through second connecting pipe and suction hood, when the piston absorbs the removal, at this moment under the effect of second spring, can make the second baffle reset, thereby close the second annular plate, during the piston rebound, piston compressed air promotes first baffle and rotates, thereby first baffle compresses first spring and opens first annular plate, the dust gets into the rose box this moment, can filter the dust through the second filter screen, thereby can prevent the wafting of dust.

The utility model relates to a rationally, simple structure, convenient operation through the reciprocating motion of piston, can absorb the dust and discharge through the rose box to can prevent wafting of dust.

Drawings

FIG. 1 is a schematic structural view of a dust-free agricultural straw crushing apparatus provided by the utility model;

FIG. 2 is a schematic view of part A of the agricultural straw dust-free crushing apparatus provided by the utility model;

FIG. 3 is a schematic view of the structure of part B of the agricultural straw dust-free pulverizing apparatus provided by the utility model.

In the figure: 1. a crushing box; 2. a feed inlet; 3. a first filter screen; 4. a belt; 5. a dust hood; 6. a piston case; 7. a filter box; 8. a first connecting pipe; 9. a second connecting pipe; 10. a second filter screen; 11. a belt pulley; 12. a first annular plate; 13. a first baffle plate; 14. a first spring; 15. a second annular plate; 16. a second baffle; 17. a second spring; 18. a rotating shaft; 19. a crushing roller; 20. a piston; 21. a vertical rod; 22. a connecting plate; 23. a return spring; 24. rotating the rod; 25. a cam.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an agricultural straw dust-free crushing device comprises a crushing box 1, a feed inlet 2 is arranged at the top of the crushing box 1, two symmetrically arranged piston boxes 6 are fixedly arranged at the top of the crushing box 1, two symmetrically arranged filter boxes 7 are fixedly arranged at the top of the crushing box 1, first holes are arranged on the inner walls of the two sides of the feed inlet 2, a first filter screen 3 is fixedly arranged in each first hole, one end of a first connecting pipe 8 is fixedly arranged at one side of each piston box 6, a dust hood 5 is fixedly arranged at the other end of each first connecting pipe 8, the dust hood 5 is fixedly arranged on the feed inlet 2, the dust hood 5 is matched with the first holes, one end of a second connecting pipe 9 is fixedly arranged at the other side of each piston box 6, the other end of the second connecting pipe 9 is fixedly arranged on each filter box 7, second holes are arranged on the inner walls of the filter boxes 7, and second filter screens 10 are fixedly, a first annular plate 12 is fixedly installed on one side of the first connecting pipe 8, a first baffle plate 13 is hinged on one side of the first annular plate 12, one end of a first spring 14 is fixedly installed on one side of the first baffle plate 13, the other end of the first spring 14 is fixedly installed on the inner wall of the first connecting pipe 8, a second annular plate 15 is fixedly installed on the inner wall of the second connecting pipe 9, a second baffle plate 16 is fixedly installed on one side of the second annular plate 15, one end of a second spring 17 is fixedly installed on one side of the second baffle plate 16, the other end of the second spring 17 is fixedly installed on the inner wall of the second connecting pipe 9, a piston 20 is hermetically installed in the piston box 6, one end of a vertical rod 21 is fixedly installed at the bottom of the piston 20, the bottom end of the vertical rod 21 extends to the bottom end of the crushing box 1, one end of a return spring 23 is fixedly installed at the top of the connecting plate 22, the other end of the return, smash and seted up the rotatory hole on the both sides inner wall of case 1, dwang 24 is installed to the rotation in the rotatory hole, the one end fixed mounting of dwang 24 has cam 25, and cam 25 and connecting plate 22 looks adaptation, rotate the pivot 18 of installing two symmetry settings on the both sides inner wall of crushing case 1, fixed cover is equipped with crushing roller 19 on the pivot 18, a pivot 18 in two pivots 18 extends to the outside of smashing case 1, equal fixed mounting has belt pulley 11 on pivot 18 and the dwang 24, fixed mounting has same belt 4 on two belt pulleys 11.

Preferably, two symmetrically arranged seal boxes are fixedly mounted on the inner wall of the top of the crushing box 1, and the cam 25 is positioned in the corresponding seal box.

Preferably, a driving motor is fixedly installed at one side of the pulverizing box 1, and an output shaft of the driving motor is fixedly installed on the corresponding rotating shaft 18.

Preferably, a moving hole is formed in the inner wall of the top of the crushing box 1, and the vertical rod 21 is slidably mounted in the moving hole.

Preferably, the rotating rod 24 is fixedly sleeved with a bearing, and an outer ring of the bearing is fixedly mounted on an inner wall of the rotating hole.

In the utility model, by starting the driving motor, the driving motor can drive the rotating shaft 18 and the crushing roller 19 to rotate, then the agricultural straw is adjusted into the feed inlet 2, the rotating shaft 18 can drive the rotating rod 24 to rotate through the belt pulley 11 and the belt 4, the rotating rod 24 can drive the cam 25 to rotate, the rotation of the cam 25 can drive the connecting plate 22 to reciprocate up and down, the connecting plate 22 can drive the piston 20 to reciprocate up and down through the vertical rod 21, when the piston 20 moves downwards, the air pressure in the piston box 6 changes, at the moment, the second connecting pipe 9 and the piston box 6 have a certain air pressure difference, at the moment, the air pressure can push the second baffle 16 to move and compress the second spring 17, thereby the second annular plate 15 can be opened, at the moment, the negative pressure generated by the piston box 6 absorbs the dust in the feed inlet 2 through the second connecting pipe 9 and the dust hood 5, when the piston 20 absorbs the movement, at this time, under the action of the second spring 17, the second baffle 16 can be reset to close the second annular plate 15, when the piston 20 moves upwards, the piston 20 compresses air and pushes the first baffle 13 to rotate, so that the first baffle 13 compresses the first spring 14 and opens the first annular plate 12, at this time, dust enters the filter box 7, and the dust can be filtered through the second filter screen 10, so that the dust can be prevented from floating.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The dust-free agricultural straw smashing device comprises a smashing box (1) and is characterized in that a feeding hole (2) is formed in the top of the smashing box (1), two piston boxes (6) which are symmetrically arranged are fixedly mounted on the top of the smashing box (1), two filter boxes (7) which are symmetrically arranged are fixedly mounted on the top of the smashing box (1), first holes are formed in the inner walls of the two sides of the feeding hole (2), a first filter screen (3) is fixedly mounted in each first hole, one end of a first connecting pipe (8) is fixedly mounted on one side of each piston box (6), a dust hood (5) is fixedly mounted at the other end of each first connecting pipe (8), the dust hood (5) is fixedly mounted on the feeding hole (2), the dust hood (5) is matched with the first holes, one end of a second connecting pipe (9) is fixedly mounted at the other side of each piston box (6), and the other end of the second connecting pipe (9) is fixedly mounted on the filter boxes (7), a second hole is formed in the inner wall of the filter box (7), a second filter screen (10) is fixedly installed in the second hole, a first annular plate (12) is fixedly installed on one side of the first connecting pipe (8), a first baffle plate (13) is hinged to one side of the first annular plate (12), one end of a first spring (14) is fixedly installed on one side of the first baffle plate (13), the other end of the first spring (14) is fixedly installed on the inner wall of the first connecting pipe (8), a second annular plate (15) is fixedly installed on the inner wall of the second connecting pipe (9), a second baffle plate (16) is fixedly installed on one side of the second annular plate (15), one end of a second spring (17) is fixedly installed on one side of the second baffle plate (16), the other end of the second spring (17) is fixedly installed on the inner wall of the second connecting pipe (9), and a piston (20) is hermetically installed in the piston box (6), the bottom of the piston (20) is fixedly provided with one end of a vertical rod (21), the bottom of the vertical rod (21) extends to the bottom of the crushing box (1) and is fixedly provided with a connecting plate (22), the top of the connecting plate (22) is fixedly provided with one end of a reset spring (23), the other end of the reset spring (23) is fixedly arranged on the inner wall of the top of the crushing box (1), the inner walls of two sides of the crushing box (1) are provided with rotating holes, rotating rods (24) are rotatably arranged in the rotating holes, one end of each rotating rod (24) is fixedly provided with a cam (25), the cams (25) are matched with the connecting plate (22), the inner walls of two sides of the crushing box (1) are rotatably provided with two rotating shafts (18) which are symmetrically arranged, the rotating shafts (18) are fixedly sleeved with crushing rollers (19), one rotating shaft (18) of the two rotating shafts (18) extends to the outer side of, the rotating shaft (18) and the rotating rod (24) are both fixedly provided with belt pulleys (11), and the two belt pulleys (11) are fixedly provided with the same belt (4).

2. An agricultural straw dust-free smashing device according to claim 1, wherein two symmetrically arranged seal boxes are fixedly mounted on the inner wall of the top of the smashing box (1), and the cam (25) is located in the corresponding seal box.

3. An agricultural straw dust-free smashing device according to claim 1, wherein a driving motor is fixedly installed on one side of the smashing box (1), and an output shaft of the driving motor is fixedly installed on the corresponding rotating shaft (18).

4. The agricultural straw dust-free crushing device as claimed in claim 1, wherein a moving hole is formed in the inner wall of the top of the crushing box (1), and the vertical rod (21) is slidably mounted in the moving hole.

5. The agricultural straw dust-free crushing device as claimed in claim 1, wherein the rotating rod (24) is fixedly sleeved with a bearing, and an outer ring of the bearing is fixedly installed on the inner wall of the rotating hole.