CN210675916U

CN210675916U - Crop straw pulverizer

Info

Publication number: CN210675916U
Application number: CN201921752926.0U
Authority: CN
Inventors: 邵义川
Original assignee: Anyang Guangxin Machinery Technology Co Ltd
Current assignee: Anyang Guangxin Machinery Technology Co Ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-05
Anticipated expiration: 2029-10-18

Abstract

The utility model belongs to the technical field of crops reprocessing, concretely relates to crop straw pulverizer, including chassis and actuating system, be equipped with tertiary screening case on the chassis, the top of tertiary screening case is equipped with the feeding section of thick bamboo, and still install on the tertiary screening case and be used for driving the chain drive of feeding section of thick bamboo rotation, the top of tertiary screening case is equipped with rubbing crusher and constructs, rubbing crusher constructs the upper cover and is stamped the smooth material inclined plane, the inner wall of feeding section of thick bamboo is equipped with at least two from the edge extends to the stock guide of smooth material inclined plane edge on the feeding section of thick bamboo; the feeding cylinder can be driven to rotate through the chain transmission mechanism, the guide plate inside the feeding cylinder can be matched to stir and guide materials thrown into the feeding cylinder, the materials can be uniformly distributed above the crushing mechanism, meanwhile, the torsion between the materials and the blades of the crushing mechanism is increased, a better shredding effect is achieved, and material blockage is further prevented.

Description

Crop straw pulverizer

Technical Field

The utility model belongs to the technical field of the crops reprocessing, concretely relates to crop straw rubbing crusher.

Background

In recent years, crop straws have become a new source of pollution. During summer harvest and autumn and winter, a large amount of straws of wheat, corn and the like are burned in the field every year, a large amount of dense smoke is generated, resources are wasted, the atmosphere is seriously polluted, and the living environment of human is damaged. How to effectively utilize the straws is a technical problem which needs to be solved urgently. The straw crusher can crush corn stalks, straws, peanut skin, bean stalks, firewood and other combustible crop waste stalks. The white burning of the crop straws is avoided, the environment is well protected, and the renewable energy is effectively developed. The machine has reliable performance and simple and convenient operation. The equipment has wide production raw materials and can adapt to combustible crop waste stalks such as corn stalks, straws, peanut skins, bean stalks, firewood and the like.

Application number is CN 201720516338.1's utility model discloses an agricultural straw rubbing crusher, including rubbing crusher, actuating mechanism and discharge mechanism, thereby can carry out quick crushing to the straw, and smash evenly, simultaneously effectual utilization fan will smash the back straw and send out outside smashing the storehouse, the straw of being convenient for is retrieved and is being utilized, but its straw rubbing crusher's feed structure defect, especially the condition of putty takes place easily when the feeding for longer crops, consequently probably take place to smash the sword and burnt or the blade fracture because of high load motor, cause equipment operation trouble.

SUMMERY OF THE UTILITY MODEL

The utility model provides a crop straw pulverizer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a crop straw pulverizer comprises a chassis and a driving system, wherein a three-stage screening box is arranged on the chassis, a feeding cylinder is arranged above the three-stage screening box, and the three-stage screening box is also provided with a chain transmission mechanism for driving the feeding cylinder to rotate, a crushing mechanism is arranged above the three-stage screening box, a sliding material inclined plane is covered on the crushing mechanism, the inner wall of the feeding cylinder is provided with at least two guide plates extending from the upper edge of the feeding cylinder to the edge of the material sliding slope, the upper part of the three-stage screening box is provided with a blanking part positioned below the crushing mechanism, so that the materials processed by the crushing mechanism enter the three-stage screening box through the blanking part, the inside of tertiary screening case is equipped with first minute screen cloth and the second minute screen cloth that is upper and lower distribution, the output of tertiary screening case is equipped with discharge system.

Preferably, the discharge system includes two conveyer belts and two row material section of thick bamboo, the top end of second minute screen cloth is equipped with finished product row material portion, finished product row material portion is connected two the input of conveyer belt, two it connects respectively two to arrange the material section of thick bamboo the output of conveyer belt, just the pan feeding side of arranging the material section of thick bamboo is equipped with first air exhauster.

Preferably, the material returning system comprises a first material returning pipe, a second exhaust fan, a second material returning pipe and an air supply pipe, the first material returning pipe is connected to the feeding side of the discharge cylinder, the second material returning pipe passes through the second exhaust fan and is connected to the first material returning pipe, the air supply pipe and one end of the second material returning pipe are combined and extend to the position above the feeding cylinder, and a blower is arranged at the other end of the air supply pipe.

Preferably, the row of first minute screen cloth material side is equipped with light thing suction opening, the outside of tertiary screening case is equipped with row miscellaneous mouthful, the end-to-end connection of light thing suction opening has the draught fan, just the draught fan pass through the conveying pipeline with arrange miscellaneous mouthful and connect.

Preferably, a baffle plate which is connected with the inner wall of the discharge cylinder in a sliding manner is arranged on the inner side of the discharge opening of the discharge cylinder, so that the baffle plate slides to close/open the discharge opening, and a handle is fixed on the outer side of the baffle plate.

Preferably, a weight discharging part is arranged below the second screening net, and the weight discharging part extends to the outside of the third screening box.

Preferably, the output end of the second exhaust fan is further connected with a third material return pipe, the air supply pipe is further connected with a branch pipe combined with the third material return pipe, and the third material return pipe and the branch pipe extend into the crushing mechanism after being combined.

Compared with the prior art, the beneficial effects of the utility model are that:

the feeding cylinder of the utility model can be driven to rotate by the chain transmission mechanism, and the material thrown into the feeding cylinder can be stirred and guided by the guide plate inside the feeding cylinder, so that the material can be uniformly distributed above the crushing mechanism, and meanwhile, the torsion between the material and the blades of the crushing mechanism is increased, thereby playing a better shredding role and further preventing material blockage;

the utility model has the advantages that the feed back system is arranged on the discharging system, crushed incomplete materials existing in the cost are recycled to the feed back pipe again through the feed back system and are discharged into the feeding cylinder for further crushing, and a better crushing effect is achieved;

the utility model discloses arrange material department and set up two and arrange the silo, and arrange the silo and go up to set up the baffle that can receive and draw, when changing the sack of collecting the material, can use the baffle to block up the bin outlet temporarily, accomplish the change of collecting the bag under the condition that does not spill the material without shutting down, and use the silo of another side to arrange the material when changing.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the interior of the middle tertiary screening box of the present invention;

fig. 3 is a schematic structural view of the feeding cylinder in the present invention from top view;

fig. 4 is a schematic structural diagram of the middle baffle of the present invention.

In the figure: 1. a feeding cylinder; 11. a material guide plate; 12. a material sliding slope; 13. a crushing mechanism; 2. a chain transmission mechanism; 3. a third-stage screening box; 31. a first screen; 32. a second sub-screen; 301. a blanking part; 302. a finished product discharge part; 303. a weight discharge section; 4. a conveyor belt; 5. a discharge cylinder; 501. a feeding port; 51. a first exhaust fan; 52. a baffle plate; 521. a handle; 61. a first return pipe; 62. a second exhaust fan; 63. a second feed back pipe; 64. an air supply pipe; 641. a blower; 7. a trash discharge port; 701. a light object suction port; 71. an induced draft fan; 72. a delivery pipe.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a crop straw pulverizer comprises a chassis and a driving system, wherein a three-stage screening box 3 is arranged on the chassis, a feeding cylinder 1 is arranged above the three-stage screening box 3, and a chain transmission mechanism 2 for driving the feeding cylinder 1 to rotate is further arranged on the three-stage screening box 3, wherein the chain transmission mechanism 2 consists of a transmission chain and a driving motor, the transmission chain is sleeved on the periphery of a chain wheel and a large chain wheel at the bottom of the feeding cylinder 1, the driving motor rotates to drive the chain wheel at the output end of the driving motor to rotate, the transmission chain is meshed with the large chain wheel at the bottom of the feeding cylinder 1 to drive the feeding cylinder 1 to rotate, a pulverizing mechanism 13 is arranged above the three-stage screening box 3, the pulverizing mechanism 13 is a double-roller pulverizer for commonly-used crop pulverizing, a sliding material inclined plane 12 is covered on the pulverizing mechanism 13, the sliding material inclined plane 12 is bowl-shaped, the inner wall is an arc-shaped smooth guide plane, and can centralize, the inner wall of the feeding barrel 1 is provided with at least two guide plates 11 extending from the upper edge of the feeding barrel 1 to the edge of the material sliding slope 12, the guide plates can stir and guide materials thrown into the feeding barrel 1, so that the materials can be uniformly distributed above the crushing mechanism 13, meanwhile, the torsion between the materials and blades of the crushing mechanism 13 is increased, the better shredding effect is achieved, and the blockage is further prevented, the upper part of the three-stage screening box 3 is provided with a blanking part 301 positioned below the crushing mechanism 13, so that the materials processed by the crushing mechanism 13 enter the three-stage screening box 3 through the blanking part 301, the inside of the three-stage screening box 3 is provided with a first screening mesh 31 and a second screening mesh 32 which are vertically distributed, light impurities such as plastic bags are screened above the first screening mesh 31, finished products are screened above the second screening mesh 32, heavy impurities such as earth and stone are screened below the second screening mesh 32, the vibrating material sieving process of the first sieving net 31 and the second sieving net 32 is the prior art, and is not described in detail here, and the output end of the three-stage sieving box 3 is provided with a discharging system. The discharge system comprises two conveyer belts 4 and two discharge barrels 5, a finished product discharge part 302 is arranged at the tail end above the second screen dividing screen 32, the finished product discharge part 302 is connected at the input ends of the two conveyer belts 4, the two discharge barrels 5 are respectively connected at the output ends of the two conveyer belts 4, a first exhaust fan 51 is arranged at the feeding side of the discharge barrel 5, the materials screened above the second screen dividing screen 32 fall to the input end of the conveyer belt 4 and are conveyed to the discharge barrel 5, the falling materials are sucked by the first exhaust fan 51 to suck impurities of discharged materials, a baffle plate 52 connected to the inner wall of the discharge barrel 5 in a sliding manner is arranged at the inner side of a discharge opening 501 of the discharge barrel 5, so that the baffle plate 52 slides to seal/open the discharge opening 501, a handle 521 is fixed at the outer side of the baffle plate 52, when a bag for collecting materials is replaced, the discharge opening 501 can be temporarily blocked by the baffle plate 52, the replacement of the collecting bag is, when one of the discharge cylinders 5 is closed to replace the collection bag, the other discharge cylinder 5 is used to collect the material.

In this embodiment, electrical appliances (such as the first exhaust fan 51, the second exhaust fan 62, and the like, and the electrical appliances are all commonly used types in industrial production) used on the device are electrically connected to the generator in the driving system.

In addition, the material returning system comprises a first material returning pipe 61, a second exhaust fan 62, a second material returning pipe 63 and an air supply pipe 64, the first material returning pipe 61 is connected to the feeding side of the discharging cylinder 5, the second material returning pipe 63 is connected to the first material returning pipe 61 through the second exhaust fan 62, one end of the air supply pipe 64 is combined with one end of the second material returning pipe 63 and extends to the upper side of the feeding cylinder 1, a blower 641 is arranged at the other end of the air supply pipe 64, the second exhaust fan 62 generates attraction at the first material returning pipe 61 to enable the material returning pipe 61 to be sucked, and the air supply pipe 64 blows air upwards to generate a siphon effect to blow the material in the first material returning pipe 61 into the second material returning pipe 63 and exhaust the material to the upper side of the feeding cylinder 1.

Regarding the three-stage screening box 3, a light material suction port 701 is arranged on the discharging side of a first screening net 31 of the three-stage screening box 3, a trash discharge port 7 is arranged outside the three-stage screening box 3, an induced draft fan 71 is connected to the tail end of the light material suction port 701, the induced draft fan 71 is connected with the trash discharge port 7 through a material conveying pipe 72, and light sundries such as plastic bags screened by the first screening net 31 are sucked by the induced draft fan 71 and discharged through the material conveying pipe 72 and the trash discharge port 7; a weight discharging part 303 is arranged below the second screen cloth 32, the weight discharging part 303 extends to the outside of the third screening box 3, an opening is formed in the weight discharging part 303, and heavy sundries such as earth and stones are directly discharged through the opening.

Referring to fig. 1 and 3, the output end of the second exhaust fan 62 is further connected to a third return pipe, the blast pipe 64 is further connected to a branch pipe merged with the third return pipe, the third return pipe and the branch pipe extend into the crushing mechanism 13 after being merged, heavier materials directly enter the crushing mechanism 13 from the third return pipe through the siphoning effect of the branch pipe, and the position of the dotted circle in fig. 3 is a feeding position.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a crop straw rubbing crusher, includes chassis and actuating system, its characterized in that: the screening device is characterized in that a three-stage screening box (3) is arranged on the chassis, a feeding barrel (1) is arranged above the three-stage screening box (3), a chain transmission mechanism (2) used for driving the feeding barrel (1) to rotate is further installed on the three-stage screening box (3), a crushing mechanism (13) is arranged above the three-stage screening box (3), a sliding material inclined plane (12) covers the crushing mechanism (13), at least two guide plates (11) extending from the upper edge of the feeding barrel (1) to the edge of the sliding material inclined plane (12) are arranged on the inner wall of the feeding barrel (1), a blanking part (301) located below the crushing mechanism (13) is arranged on the upper portion of the three-stage screening box (3), so that materials processed by the crushing mechanism (13) enter the three-stage screening box (3) through the blanking part (301), a first screening mesh (31) and a second screening mesh (32) which are vertically distributed are arranged inside the three-stage screening box (3), and a discharge system is arranged at the output end of the three-stage screening box (3).

2. The crop straw pulverizer as claimed in claim 1, wherein: the discharge system includes two conveyer belts (4) and two row material section of thick bamboo (5), the top end of second minute screen cloth (32) is equipped with finished product discharge portion (302), finished product discharge portion (302) is connected two the input of conveyer belt (4), two it connects respectively two to arrange material section of thick bamboo (5) the output of conveyer belt (4), just the pan feeding side of arranging material section of thick bamboo (5) is equipped with first air exhauster (51).

3. The crop straw pulverizer as claimed in claim 2, wherein: still include the feed back system, the feed back system includes first feed back pipe (61), second air exhauster (62), second feed back pipe (63) and blast pipe (64), first feed back pipe (61) are connected the pan feeding side of material section of thick bamboo (5), passing through of second feed back pipe (63) second air exhauster (62) are connected first feed back pipe (61), blast pipe (64) with the one end of second feed back pipe (63) is merged, and extends to the top of feed section of thick bamboo (1), the other end of blast pipe (64) is equipped with hair-dryer (641).

4. The crop straw pulverizer as claimed in claim 1, wherein: the row of first minute screen cloth (31) expects the side and is equipped with light thing suction opening (701), the outside of tertiary screening case (3) is equipped with row miscellaneous mouthful (7), the end-to-end connection of light thing suction opening (701) has draught fan (71), just draught fan (71) through conveying pipeline (72) with arrange miscellaneous mouthful (7) and connect.

5. The crop straw pulverizer as claimed in claim 2, wherein: the inner side of a feed opening (501) of the discharge cylinder (5) is provided with a baffle (52) which is connected with the inner wall of the discharge cylinder (5) in a sliding manner, so that the baffle (52) slides to close/open the feed opening (501), and the outer side of the baffle (52) is fixed with a handle (521).

6. The crop straw pulverizer as claimed in claim 1, wherein: a weight discharging part (303) is arranged below the second screening net (32), and the weight discharging part (303) extends to the outside of the third screening box (3).

7. The crop straw pulverizer as claimed in claim 3, wherein: the output end of the second exhaust fan (62) is further connected with a third material return pipe, the air supply pipe (64) is further connected with a branch pipe combined with the third material return pipe, and the third material return pipe and the branch pipe extend into the crushing mechanism (13) after being combined.