CN214758003U

CN214758003U - Agricultural straw chopping device

Info

Publication number: CN214758003U
Application number: CN202121147527.9U
Authority: CN
Inventors: 王东兴; 马宝庆; 智伟欣; 刘春兰; 刘军华; 张向荣
Original assignee: Shandong Kemai Bio Pulping Co Ltd
Current assignee: Shandong Kemai Bio Pulping Co Ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-19
Anticipated expiration: 2031-05-26

Abstract

The utility model provides a reducing mechanism of agricultural straw, relates to straw reducing mechanism technical field, including the comminution box, two conveyor belts are installed along vertical side by side rotation to the inside edge of comminution box to through the regional straw unloading passageway that forms between two conveyor belts, every conveyor belt is equipped with a plurality of backing roll along vertical side by side, two conveyor belts carry out the conveyor belt surface that will be in straw unloading passageway department through the backing roll that corresponds and are close to in opposite directions, the below of comminution box still is connected with the storage box. The utility model provides a device among the conventional art at the in-process that drops into the straw, the phenomenon of card material easily appears in the straw, still needs operating personnel to smash the problem of material thing.

Description

Agricultural straw chopping device

Technical Field

The utility model relates to a straw comminution device technical field, concretely relates to comminution device of agricultural straw.

Background

China is a big agricultural country, crop straw resources are very rich, and straw is taken as a good clean renewable resource, has good economic, ecological and social benefits, and is more and more paid attention and utilized by people, such as biomass energy power generation and the like; however, the crop straws have low density and are inconvenient to transport and store, so that the method for bundling the straws and then storing and transporting the bundled straws is the key for reducing the cost of collecting and storing the raw materials and promoting the industrialized utilization of the straws.

The prior art discloses a patent with publication number CN106258241B, which comprises an integrated feeding rotor, a fixed cutter assembly and a feeding bottom plate, and the straw chopping device provided by the scheme can chop long straws, so that the blockage of a feeding system is avoided.

However, as the technology is used, the defects of the technology are gradually exposed in the prior art:

first, current straw chopper is at the in-process that drops into the straw, and the phenomenon of card material easily appears in the straw for still need operating personnel to smash the material thing, reduced work efficiency.

Second, the device is at the straw shredding process, through the rotational speed of adjusting the cutter, realizes shredding the straw of different length, and this just makes when the cutter rotational speed crosses lowly, easily appears the sticky phenomenon in straw breakage back to and when the cutter rotational speed was too fast, easily appear the too garrulous phenomenon of granularity with the straw, influence the use.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a chopping device for agricultural straws, which is used for solving the problem that the straws are easy to block in the process of throwing the straws in the device in the traditional technology, so that an operator needs to smash the materials; and the problem that the straws with different lengths cannot be cut up for use by adjusting the rotating speed of the cutter.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an agricultural straw's comminution device, is including cutting up the box, two conveyor belts are installed to inside vertical rotation side by side of edge of cutting up the box, and through two regional formation straw unloading passageway between the conveyor belt, every conveyor belt is along vertical being equipped with a plurality of backing roll side by side, two conveyor belt will be in through the backing roll that corresponds the conveyor belt surface of straw unloading passageway department carries out to be close to in opposite directions, the below of cutting up the box still is connected with the storage box, the below of straw unloading passageway still rotates and installs and cut up the main sword, the cladding of storage box cuts up the main sword, the below of cutting up the main sword still coaxial being equipped with cuts up the auxiliary knife, cut up the main sword with it adjusts through the regulating part to cut up the auxiliary knife along overlooking between the direction contained angle.

As an optimized scheme, the regulating part includes the sleeve, coaxial cartridge has the regulation post in the sleeve, the central department rigid coupling of the vice sword of cutting up has the lantern ring, the inner circle rigid coupling of lantern ring in the sleeve is close to on the perisporium of upper end, the upper end of adjusting the post extends to telescopic top, cut up the main sword pass through the disk body rigid coupling in the upper end of adjusting the post, the lower surface of disk body centers on it has the location bellying to adjust the post rigid coupling, seted up on the telescopic inner wall a plurality of with the constant head tank that the location bellying matches.

As an optimized scheme, the inner wall of the storage box body is fixedly connected with a driving machine through a supporting rod, the sleeve is rotatably installed on the inner wall of the storage box body through a supporting frame, a gear is fixedly connected to the outer wall of the sleeve, and the output end of the driving machine is meshed with the gear.

As an optimized scheme, each conveying belt is supported and installed through two roller bodies which are arranged from top to bottom in parallel, the roller bodies are installed towards the same end portion through vertical plates respectively, and the vertical plates are fixedly connected to the relative inner walls of the chopping box body correspondingly.

As an optimized scheme, the conveyor belt is located on the same two vertical plates on the conveyor belt and corresponds to each supporting roller, a sliding seat is fixedly connected to each supporting roller, a sliding rod is inserted into the sliding seat in a horizontal sliding mode and faces towards one end of each supporting roller, the end portion of each supporting roller is connected with the end portion of each supporting roller through a roller seat, a supporting plate is fixedly connected to each sliding rod, a compression spring is sleeved on each sliding rod, and the two ends of each compression spring are respectively abutted to the supporting plate and the corresponding sliding seat.

As an optimized scheme, the other end of the sliding rod is in threaded connection with an adjusting nut, the adjusting nut abuts against the sliding seat, and the adjusting nut and the compression spring are respectively arranged on two sides of the sliding seat.

As an optimized scheme, the upper end part of the chopping box body is further fixedly connected with a feeding cylinder communicated with the inner cavity of the chopping box body, and the feeding cylinder is located above the straw discharging channel.

As an optimized scheme, the outer wall of the chopping box body is further fixedly connected with a driving motor which correspondingly drives the two roller bodies on the conveying belt to rotate.

As an optimized scheme, the inner wall of the chopping box body is further fixedly connected with a scraper corresponding to each conveying belt, and the scrapers are in frictional contact with the conveying belts positioned at the lower roller bodies.

As an optimized scheme, the storage box body is supported on the base through the support springs arranged side by side, and the outer wall of the storage box body is further fixedly connected with a vibration motor.

As an optimized scheme, the discharging plate is fixedly connected to the inner portion of the material storage box body in an inclined mode, the discharging cylinder communicated with the inner cavity of the material storage box body is fixedly connected to the outer wall of the material storage box body, and the lower edge of the inlet of the discharging cylinder is flush with the end portion of the discharging plate below the discharging cylinder.

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

the straw is conveyed by arranging the two conveying belts in parallel, the straw can be continuously fed to the chopping cutter by rotating the two conveying belts, the feeding amount of the straw can be adjusted by adjusting the rotating speed of the two conveying belts, and the chopping length of the straw can be adjusted by adjusting the feeding speed;

the staggering or overlapping between the main chopping knives and the auxiliary chopping knives is adjusted through the adjusting piece, so that the contact times of the straws with the main chopping knives and the auxiliary chopping knives are adjusted, and the cutting length of the straws is further adjusted;

the follow-up part is simplified, and the fault rate in the working process is reduced; the stability in the working process is improved; the parts are few, the working procedure is simple and convenient, and the failure rate is low; the structure is simple, and the service life is long; simple and convenient operation and control, easy large-scale manufacture and installation and wide application range.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

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

FIG. 2 is a schematic structural view of the back-up roll of the present invention;

fig. 3 is a schematic structural diagram of the adjusting member of the present invention.

In the figure: 1-a chopping box body; 2-conveying a belt; 3-a vertical plate; 4-a roller body; 5-chopping the main cutter; 6-chopping the auxiliary knife; 7-a storage box body; 8-a stripper plate; 9-a support spring; 10-a base; 11-a discharge cylinder; 12-a vibration motor; 13-a support frame; 14-a sleeve; 15-a conditioning column; 16-gear; 17-a driver; 18-a feed cylinder; 19-a slide bar; 20-a slide; 21-adjusting the nut; 22-a compression spring; 23-a resisting plate; 24-a roller seat; 25-a collar; 26-a tray body; 27-positioning boss; 28-a straw blanking channel; 29-a scraper; and 30-supporting rolls.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 3, the agricultural straw chopping device comprises a chopping box body 1, two conveying belts 2 are vertically and parallelly rotatably installed inside the chopping box body 1, a straw discharging channel 28 is formed through an area between the two conveying belts 2, a plurality of supporting rollers 30 are vertically and parallelly arranged on each conveying belt 2, the surfaces of the conveying belts 2 at the straw discharging channel 28 are oppositely close to each other through the corresponding supporting rollers 30 by the two conveying belts 2, a storage box body 7 is further connected below the chopping box body 1, a chopping main knife 5 is further rotatably installed below the straw discharging channel 28, the chopping main knife 5 is covered by the storage box body 7, a chopping auxiliary knife 6 is further coaxially arranged below the chopping main knife 5, and an included angle between the chopping main knife 5 and the chopping auxiliary knife 6 along the direction is adjusted through an adjusting piece.

The regulating part includes sleeve 14, coaxial cartridge has regulation post 15 in the sleeve 14, the center department rigid coupling of shredding auxiliary knife 6 has lantern ring 25, the inner circle rigid coupling of lantern ring 25 is on sleeve 14 is close to the perisporium of upper end, the upper end of adjusting post 15 extends to the top of sleeve 14, shredding main knife 5 passes through disk body 26 rigid coupling in the upper end of adjusting post 15, the lower surface of disk body 26 has location bellying 27 around adjusting post 15 rigid coupling, set up a plurality of and location bellying 27 assorted constant head tank on the inner wall of sleeve 14.

Still be equipped with the operation mouth on the lateral wall of storage box 7, articulated on the operation mouth have a body, can realize through the door body that operating personnel will adjust post 15 jack-up, break away from clamping of constant head tank with location bellying 27, realize rotating shredding main sword 5, adjust shredding main sword 5 and shredding after the contained angle of auxiliary sword 6, will adjust post 15 and fall down, location bellying 27 clamps in the constant head tank, realizes fixing a position the contained angle between shredding main sword 5 and the auxiliary sword 6.

The inner wall of the storage box body is fixedly connected with a driving machine 17 through a supporting rod, the sleeve 14 is rotatably installed on the inner wall of the storage box body through a supporting frame 13, the outer wall of the sleeve 14 is fixedly connected with a gear 16, and the output end of the driving machine 17 is meshed with the gear 16.

Every conveyor belt 2 supports the installation through two roll bodies 4 by last horizontal parallel arrangement down, and two roll bodies 4 are installed through riser 3 respectively towards the same tip, and two risers 3 correspond the rigid coupling on shredding box 1's relative inner wall.

A sliding seat 20 is fixedly connected to each supporting roller 30 on two vertical plates 3 on the same conveying belt 2, a sliding rod 19 is inserted into the sliding seat 20 in a horizontally sliding mode, one ends, facing the supporting rollers 30, of the two sliding rods 19 are connected with the end portions of the supporting rollers 30 through roller seats 24, a supporting plate 23 is further fixedly connected to the sliding rod 19, a compression spring 22 is sleeved on the sliding rod 19, and two ends of the compression spring 22 are abutted to the supporting plate 23 and the sliding seat 20 respectively.

By arranging the compression spring 22 on the supporting roller 30, when the input amount of straws is too large, the width of the straw blanking channel 28 can be adjusted by utilizing the compression of the compression spring 22, and the self-adaptive use is realized.

The other end of the slide rod 19 is connected with an adjusting nut 21 through a thread, the adjusting nut 21 is abutted against the sliding seat 20, and the adjusting nut 21 and the compression spring 22 are respectively arranged on two sides of the sliding seat 20.

The upper end part of the shredding box body 1 is also fixedly connected with a feeding cylinder 18 communicated with the inner cavity of the shredding box body, and the feeding cylinder 18 is positioned above the straw blanking channel 28.

The outer wall of the shredding box body 1 is also fixedly connected with a driving motor which correspondingly drives the two conveying belts 2 to drive the roller body 4 to rotate.

The inner wall of the chopping box body 1 is also fixedly connected with a scraping plate 29 corresponding to each conveying belt 2, and the scraping plates 29 are in frictional contact with the conveying belts 2 at the lower roller body 4 to clean the surfaces of the conveying belts 2;

the storage box body 7 is supported on the base 10 through the support springs 9 which are arranged in parallel, the outer wall of the storage box body 7 is further fixedly connected with the vibration motor 12, and the chopped straws can be led out through the vibration motor 12.

The discharging plate 8 is obliquely and fixedly connected inside the storage box body 7, the discharging cylinder 11 communicated with the inner cavity of the storage box body 7 is fixedly connected to the outer wall of the storage box body 7, and the lower edge of the inlet of the discharging cylinder 11 is flush with the end part of the discharging plate 8 below the discharging cylinder.

The straw is conveyed by arranging the two conveying belts 2 in parallel, the straw can be continuously fed to the chopping cutter by rotating the two conveying belts 2, the feeding amount of the straw can be adjusted by adjusting the rotating speed of the two conveying belts 2, and the chopping length of the straw can be adjusted by adjusting the feeding speed;

the staggering or overlapping between the main chopping knives 5 and the auxiliary chopping knives 6 is adjusted through the adjusting piece, so that the contact times of the straws with the main chopping knives 5 and the auxiliary chopping knives 6 are adjusted, and the cutting length of the straws is adjusted.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a comminution device of agricultural straw which characterized in that: comprises a chopping box body (1), two conveying belts (2) are vertically and parallelly rotatably arranged in the chopping box body (1), a straw blanking channel (28) is formed through an area between the two conveying belts (2), each conveying belt (2) is vertically provided with a plurality of supporting rollers (30) in parallel, the two conveying belts (2) oppositely approach the surface of the conveying belt (2) at the straw blanking channel (28) through the corresponding supporting rollers (30), a storage box body (7) is connected below the chopping box body (1), a main chopping knife (5) is rotatably arranged below the straw blanking channel (28), the material storage box body (7) coats the chopping main knife (5), a chopping auxiliary knife (6) is coaxially arranged below the chopping main knife (5), the included angle between the main chopping knife (5) and the auxiliary chopping knife (6) in the overlooking direction is adjusted through an adjusting piece.

2. An agricultural straw chopping device as defined in claim 1, wherein: the regulating part includes sleeve (14), coaxial cartridge has regulation post (15) in sleeve (14), the center department rigid coupling of shredding auxiliary knife (6) has lantern ring (25), the inner circle rigid coupling of lantern ring (25) in sleeve (14) are close to on the perisporium of upper end, the upper end of adjusting post (15) extends to the top of sleeve (14), cut up main knife (5) through disk body (26) rigid coupling in the upper end of adjusting post (15), the lower surface of disk body (26) centers on it has locating convex part (27) to adjust post (15) rigid coupling, seted up on the inner wall of sleeve (14) a plurality of with locating convex part (27) assorted constant head tank.

3. An agricultural straw chopping device as defined in claim 2, wherein: the inner wall of storage box (7) has drive machine (17) through the bracing piece rigid coupling, sleeve (14) pass through support frame (13) rotate install in on the inner wall of storage box (7), the rigid coupling has gear (16) on the outer wall of sleeve (14), the output of drive machine (17) with gear (16) mesh mutually.

4. An agricultural straw chopping device as defined in claim 1, wherein: every conveyor belt (2) support the installation through two roll body (4) that the upper and lower level set up side by side, two roll body (4) are installed through riser (3) respectively towards the same tip, two riser (3) rigid coupling in on the relative inner wall of shredding box (1).

5. An agricultural straw chopping device as defined in claim 4, wherein: be in same two riser (3) on conveyor belt (2) correspond every backing roll (30) rigid coupling respectively has slide (20), slide (20) are gone up the horizontal slip cartridge and are had slide bar (19), two slide bar (19) orientation the one end of backing roll (30) respectively through roller seat (24) with the tip of backing roll (30) is connected, it has support plate (23) to go back the rigid coupling on slide bar (19), the cover is equipped with compression spring (22) on slide bar (19), the both ends of compression spring (22) respectively with support plate (23) and slide (20) offset.

6. An agricultural straw chopping device as defined in claim 5, wherein: the other end of the sliding rod (19) is in threaded connection with an adjusting nut (21), the adjusting nut (21) abuts against the sliding seat (20), and the adjusting nut (21) and the compression spring (22) are respectively arranged on two sides of the sliding seat (20).

7. An agricultural straw chopping device as defined in claim 1, wherein: the upper end of the chopping box body (1) is further fixedly connected with a feeding cylinder (18) communicated with an inner cavity of the chopping box body, and the feeding cylinder (18) is located above the straw blanking channel (28).

8. An agricultural straw chopping device as defined in claim 4, wherein: still be respectively the rigid coupling on the inner wall of comminution box (1) and correspond every scraper blade (29) of conveyor belt (2), scraper blade (29) with be in below roll body (4) department conveyor belt (2) frictional contact.

9. An agricultural straw chopping device as defined in claim 1, wherein: the storage box body (7) is supported on the base (10) through a support spring (9) arranged in parallel, and a vibration motor (12) is further fixedly connected to the outer wall of the storage box body (7).

10. An agricultural straw chopping device as defined in claim 1, wherein: the inside slope rigid coupling of storage box (7) has stripper (8), the rigid coupling has row material section of thick bamboo (11) of its inner chamber of intercommunication on the outer wall of storage box (7), the lower border of arranging material section of thick bamboo (11) import with stripper (8) are in the tip looks parallel and level of below.