Agricultural straw recycling device

By introducing structures such as straw rakes, toothed rollers, and vibrating screens into the straw recycling device, the problems of low straw collection rate and uneven crushing are solved, achieving efficient collection and uniform crushing of straw and improving recycling efficiency.

CN223899816UActive Publication Date: 2026-02-13HENAN DASHANTAI AGRI DEV CO LTD
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Patent Information

Application Number
CN202520535448.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-02-13
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

Existing straw recycling devices suffer from problems such as low straw collection rate, uneven crushing, and easy clogging, resulting in low recycling efficiency.

Method used

The device employs a structure including a straw rake, a toothed roller, a crushing roller, a hammer crusher, and a vibrating screen plate to achieve centralized collection, preliminary crushing, secondary crushing, and secondary screening of straw. The motor drives the rotation of the rake teeth and the vibrating screen plate to directionally move and screen the straw.

Benefits of technology

It improved the straw collection rate and crushing uniformity, achieved efficient straw concentration and secondary screening, and improved recycling efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of straw recycling, and discloses an agricultural straw recycling device which is characterized in that straw concentration is realized by arranging a raking device, a rotating stand, shifting teeth and other structures, a first motor is started, the first motor drives a rotating rod to rotate through an output shaft, and the rotating rod drives the rotating stand to rotate when rotating; the straw on the two sides of the recycling box body is gathered by the shifting teeth and moves towards the direction of the elastic tooth roller, so that the straw on the two sides of the device is gathered to the position in front of the elastic tooth roller by the shifting teeth, the straw is concentrated, and the elastic tooth roller is conveniently picked into an inlet groove; and the effect of concentrating the straws is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a straw recovery technical field especially relates to a kind of agricultural straw recovery device. BACKGROUND

[0002] The agricultural straw recovery device is a kind of mechanical equipment integrated with collection, crushing and compression, mainly used for processing the straw after crop harvesting, converting it into valuable resources, reducing environmental pollution, improving the utilization rate of agricultural waste, and the popularization and use of straw recovery device has important significance for environmental protection. It can effectively reduce the discharge of agricultural waste and reduce environmental pollution.

[0003] In the prior art, the straw recovery device has low straw collection rate, such as missing straw during collection, resulting in low recovery efficiency. Specifically, when the straw is crushed, the blade-type crusher is easy to block when crushing wet straw, and the crushing size is different, so it cannot be uniformly and continuously pulverized. UTILITY MODEL CONTENTS

[0004] To overcome the shortcomings of the prior art, the utility model provides an agricultural straw recovery device, which has the advantages of high straw collection rate and uniform crushing, and solves the problems raised in the above background.

[0005] The utility model provides the following technical scheme: an agricultural straw recovery device, comprising a recovery box body, a disc body is fixedly installed on the top of the recovery box body in a symmetrical manner, a straw raking device is movably installed on the top of the disc body, side blocks are symmetrically arranged on one side of the recovery box body, a spring tooth roller is rotatably installed between the side blocks, two groups of spring teeth are uniformly arranged on the outer ring of the spring tooth roller, the spring teeth are fixedly installed on the surface of the spring tooth roller in a ring shape, and the spring teeth are arranged on the surface of the spring tooth roller in a linear array, an inlet groove is formed above the side blocks on one side of the recovery box body, toothed strips are fixedly installed on one side of the recovery box body below the opening of the inlet groove in a linear array, the gap between the spring teeth and the toothed strips is matched, a crushing box is formed in the recovery box body, the crushing box is connected with the inlet groove, crushing tooth rollers are rotatably installed above the crushing box in a symmetrical manner, a hammer crusher is rotatably installed at the bottom of the crushing box, a sieve cavity is formed in the recovery box body on one side and below the crushing box, a vibrating sieve plate is slidably installed in the sieve cavity, and a second motor is fixedly installed on the other side of the recovery box body.

[0006] Through the above structure, the straw can be concentrated, and the effect of secondary crushing and secondary screening can be achieved through the setting of the straw raking device, sieve hole, second motor and vibrating sieve plate. The straw on both sides of the recovery box body is moved in the forward direction of the spring tooth roller by the rotation of the rotating rod and the driving of the raking teeth, so that the straw position is concentrated and the spring tooth roller is easily picked into the inlet groove.

[0007] Preferably, the pulverizing box and the sieve cavity are uniformly provided with sieve holes in linear array, the bottom wall of the sieve cavity is provided with a fine material cavity, and the second motor is movably connected with the vibrating sieve plate.

[0008] Through the above structure, the straw entering the inlet groove is firstly crushed by the crushing tooth roller, the crushed straw enters the inside of the pulverizing box and is crushed again by the hammer crusher, and the crushed straw is preliminarily screened through the sieve hole.

[0009] Preferably, the end portion of the straw raking device is fixedly provided with a first motor, the output shaft of the first motor is fixedly connected with a rotating rod penetrating through the straw raking device, the bottom of the rotating rod is rotatably sleeved with a chassis, the bottom of the chassis is uniformly provided with universal wheels in annular shape, the outer ring of the rotating rod is fixedly sleeved with a rotating frame above the chassis, the bottom of the rotating frame is uniformly provided with a claw group in annular shape, and the claw group comprises linearly and uniformly arranged pawls.

[0010] Through the above structure, the first motor drives the rotating frame to rotate through the rotating rod, and the straw in front of the pawl is pushed to the front of the spring tooth roller when the rotating frame rotates, so that the straw is concentrated, the direction of the straw raking device can rotate on the disc body, and the direction is adjustable.

[0011] Preferably, the output shaft end of the second motor is fixedly provided with a rotating disc, one side of the vibrating sieve plate is fixedly provided with a stop block, a connecting rod is movably connected between the rotating disc and the stop block, and one end of the connecting rod is eccentrically arranged on the surface of the rotating disc.

[0012] Through the above structure, the connecting rod is eccentrically arranged on the surface of the rotating disc, so that when the rotating disc rotates, the vibrating sieve plate reciprocally slides in the sieve cavity, the straw on the upper surface of the vibrating sieve plate is shaken and screened, the qualified straw enters the inside of the fine material cavity, and the unqualified straw flows out to be crushed again.

[0013] The utility model has the following effects:

[0014] 1. The agricultural straw recycling device realizes straw concentration through the arrangement of the straw raking device, the rotating frame and the pawl, the first motor is started, the rotating rod is driven to rotate by the output shaft of the first motor, the rotating frame is driven to rotate when the rotating rod rotates, the straw on both sides of the recycling box is pushed to the front of the spring tooth roller in the advancing direction by the pawl, the straw in the field is gathered by the pawl and moves to the direction of the spring tooth roller, the straw on both sides of the device is gathered to the front of the spring tooth roller by the pawl, the position of the straw is concentrated, the straw is easily picked into the inlet groove by the spring tooth roller, and the effect of straw concentration is achieved.

[0015] 2、The agricultural straw recycling device, through the setting of sieve holes, sieve cavities, sieve plates, a second motor and the like, realizes the effect of secondary screening, the straw preliminarily crushed enters the inside of the crushing box, is repeatedly crushed by the hammer crusher, when the crushed straw has a diameter less than the sieve hole, passes through the sieve hole and falls into the upper side of the vibrating sieve plate, is driven to rotate by the second motor, thereby driving the vibrating sieve plate to reciprocate in the sieve cavity, so that the straw preliminarily screened is screened by the vibrating sieve plate, the qualified straw enters the inside of the fine material cavity through the vibrating sieve plate, and the unqualified straw is slid out of the inside of the recycling box body from the port and is lifted again by the elastic teeth of the elastic toothed roller to be crushed again, thereby realizing the effect of secondary screening. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a whole structure schematic view of the utility model;

[0017] Fig. 2 It is an explosion schematic view of the elastic toothed roller structure of the utility model;

[0018] Fig. 3 It is an inside schematic view of the recycling box body structure of the utility model;

[0019] Fig. 4 It is another perspective schematic view of the inside of the recycling box body structure of the utility model.

[0020] In the drawing: 1, recycling box body; 11, side block; 12, inlet groove; 13, toothed strip; 14, crushing box; 15, sieve hole; 16, fine material cavity; 2, raking device; 21, first motor; 22, rotating rod; 23, base frame; 24, universal wheel; 25, rotating frame; 26, gear teeth; 3, elastic toothed roller; 4, crushing tooth roller; 5, hammer crusher; 6, vibrating sieve plate; 7, second motor; 71, rotating disc; 72, connecting rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figs. 1-4The utility model provides an agricultural straw recovery device, including recovery box body 1, the top of recovery box body 1 is fixedly installed with disc body in symmetry, the top of disc body is movably installed with raking device 2, when the angle of raking device 2 needs to be adjusted, the angle of raking device 2 on the top of disc body can be adjusted, then after angle adjustment, the position between raking device 2 and disc body can be locked, make the position direction angle of raking device 2 be fixed when it works, one side of recovery box body 1 is symmetrically equipped with side block 11, and the side block 11 is rotatably installed with elastic tooth cylinder 3 between, the outer ring of elastic tooth cylinder 3 is evenly equipped with two groups of elastic tooth, and the elastic tooth is fixedly installed on the surface of elastic tooth cylinder 3 in annular evenness, and the elastic tooth is evenly arranged on the surface of elastic tooth cylinder 3 in linear array, the inlet slot 12 is formed above the side block 11 on one side of recovery box body 1, and the tooth strip 13 is fixedly installed in linear array below the opening of inlet slot 12 on one side of recovery box body 1, and the clearance between elastic tooth shape and tooth strip 13 is matched, the straw on the ground is stirred when elastic tooth cylinder 3 works, and after the straw is rotated to the surface of tooth strip 13, the elastic tooth passes through between tooth strip 13, and the straw is blocked above by tooth strip 13, the inside of recovery box body 1 is equipped with the pulverizer 14, and the pulverizer 14 is communicated with inlet slot 12, the pulverizer 14 is rotatably installed with broken tooth roller 4 above, and the pulverizer 14 is rotatably installed with hammer crusher 5 at the bottom, the inside of recovery box body 1 is equipped with sieve cavity on one side and below pulverizer 14, the inside of sieve cavity is slidably installed with vibrating sieve plate 6, and the other side of recovery box body 1 is fixedly installed with second motor 7.

[0023] The utility model discloses in actual application, through setting raking device 2, sieve 15, second motor 7 and the setting of vibrating sieve plate 6, can realize the effect that straw concentrates, secondary pulverization, secondary screening, through the rotation of rotating rod 22 drive the prong 26 with the straw on the both sides of recovery box body 1 to the advancing direction of elastic tooth cylinder 3 and stir, make the straw position concentrate and be convenient for elastic tooth cylinder 3 to pick into the inside of inlet slot 12, after the straw enters inlet slot 12, after the primary pulverization of broken tooth roller 4, then enter the pulverizer 14 inside and be carried out secondary pulverization by hammer crusher 5, and the straw after pulverization is screened twice through sieve 15 and vibrating sieve plate 6, and the qualified is collected, and the unqualified is re-pulverized.

[0024] Please refer to Figs. 1-4 The inside of recovery box body 1 is equipped with sieve cavity on one side and below pulverizer 14, and sieve 15 is evenly arranged in linear array between pulverizer 14 and sieve cavity, and fine cavity 16 is formed in the bottom wall of sieve cavity, and vibrating sieve plate 6 is slidably installed in the inside of sieve cavity, and second motor 7 is fixedly installed on the other side of recovery box body 1, and second motor 7 is movably connected with vibrating sieve plate 6.

[0025] The straw entering the inlet groove 12 is firstly crushed by the crushing tooth roller 4, and then enters the crushing box 14 to be crushed by the hammer crusher 5. The crushed straw is preliminarily screened through the sieve hole 15, and then falls into the inside of the vibrating sieve plate 6. The vibrating sieve plate 6 reciprocally moves under the driving of the second motor 7, so that the straw is secondarily screened by the vibrating sieve plate 6. The qualified straw enters the inside of the fine material cavity 16, and the unqualified straw flows out of the sieve cavity opening to be re-crushed.

[0026] Please refer to Figs. 1-4 The end top of the raking device 2 is fixedly provided with a first motor 21. The output shaft of the first motor 21 is fixedly connected with a rotating rod 22 penetrating through the raking device 2. The bottom of the rotating rod 22 is rotatably sleeved with a chassis 23. The bottom of the chassis 23 is uniformly provided with universal wheels 24 in a ring shape. The outer ring of the rotating rod 22 is fixedly sleeved with a rotating frame 25 above the chassis 23. The bottom of the rotating frame 25 is uniformly provided with a claw group in a ring shape. The claw group comprises linearly and uniformly arranged pawls 26.

[0027] The first motor 21 drives the rotating frame 25 to rotate through the rotating rod 22. When the rotating frame 25 rotates, the straw in front of the pawls 26 is pushed to the front of the spring-toothed roller 3, so that the straw is concentrated. The direction of the raking device 2 can be rotated on the disc body, and the direction is adjustable.

[0028] Please refer to Figs. 1-4 The output shaft end of the second motor 7 is fixedly provided with a rotating disc 71. One side of the vibrating sieve plate 6 is fixedly provided with a stop block. The rotating disc 71 and the stop block are movably connected with a connecting rod 72. One end of the connecting rod 72 is eccentrically installed on the surface of the rotating disc 71. When the rotating disc 71 rotates under the driving of the second motor 7, the rotating disc 71 drives the connecting rod 72 to reciprocally slide horizontally in the sieve cavity, so as to realize the secondary screening effect on the straw.

[0029] When the second motor 7 works, the rotating disc 71 rotates. The connecting rod 72 is eccentrically arranged on the surface of the rotating disc 71. Therefore, when the rotating disc 71 rotates, the vibrating sieve plate 6 reciprocally slides in the sieve cavity, so that the straw on the upper surface of the vibrating sieve plate 6 is shaken and screened. The qualified straw enters the inside of the fine material cavity 16, and the unqualified straw flows out to be re-crushed.

[0030] Working principle: in use, move the device to the ground, first start the recovery box 1 inside the broken tooth roll 4, hammer crusher 5, the second motor 7 and other devices, make the recovery box 1 inside first to prepare work, then start the first motor 21, the first motor 21 through the output shaft driving the rotating rod 22 rotation, rotating rod 22 rotation drive rotating frame 25 rotation, start the spring tooth cylinder 3 work, next move the device as a whole position, make the straw in the field through the teeth 26 to the front of the spring tooth cylinder 3, make the straw on both sides of the device by the teeth 26 to the front of the spring tooth cylinder 3, then in the movement, the spring tooth cylinder 3 through the spring tooth to the straw transfer to the import slot 12 inside, spring tooth from the tooth strip 13 gap transfer, the straw is left in the import slot 12, then through the import slot 12 into the broken tooth roll 4 between, through the broken tooth roll 4 of the opposite rotation, the straw is segmented crushing, the straw after the initial crushing into the crushing box 14, through the repeated crushing of hammer crusher 5, after crushing the straw aperture is less than the sieve hole 15, through the sieve hole 15 drop into the upper of the vibrating screen plate 6, through the second motor 7 drive rotating disc 71 rotation, thus drive the vibrating screen plate 6 reciprocating movement in the sieve cavity, make the straw after the initial screening through the vibrating screen plate 6 screening, qualified straw through the vibrating screen plate 6 into the fine material cavity 16 inside, unqualified straw through the vibrating screen plate 6 reciprocating sliding, from the port slip out of the recovery box 1 inside, by the spring tooth cylinder 3 spring tooth again pick up secondary crushing.

Claims

1. An agricultural straw recycling device comprising a recycling box (1), characterized in that: The top of the recycling box (1) is symmetrically fixedly installed with a disc body, the top of the disc body is movably installed with a raking device (2), one side of the recycling box (1) is symmetrically provided with side blocks (11), the side blocks (11) are rotatably installed with elastic tooth rollers (3), the outer rings of the elastic tooth rollers (3) are uniformly provided with two groups of elastic teeth, the elastic teeth are annularly and uniformly fixedly installed on the surfaces of the elastic tooth rollers (3), the elastic teeth are linearly and uniformly arranged on the surfaces of the elastic tooth rollers (3), one side of the recycling box (1) is provided with an inlet slot (12) above the side blocks (11), one side of the recycling box (1) is linearly and uniformly fixedly installed with toothed strips (13) below the opening of the inlet slot (12), the elastic teeth are matched with the toothed strips (13) in clearance, the recycling box (1) is internally provided with a crushing box (14), the crushing box (14) is communicated with the inlet slot (12), the crushing box (14) is rotatably installed with crushing tooth rollers (4) above, the crushing box (14) is rotatably installed with a hammer crusher (5) at the bottom, the recycling box (1) is internally provided with a sieve cavity on one side and below the crushing box (14), the sieve cavity is internally slidably installed with a vibrating sieve plate (6), the other side of the recycling box (1) is fixedly installed with a second motor (7).

2. The agricultural straw recovery device of claim 1, wherein: The crushing box (14) and the sieve cavity are linearly and uniformly provided with sieve holes (15) therebetween, the bottom wall of the sieve cavity is provided with a fine material cavity (16), the second motor (7) is movably connected with the vibrating sieve plate (6).

3. The agricultural straw recovery device of claim 2, wherein: The end of the raking device (2) is fixedly installed with a first motor (21) at the top, the output shaft of the first motor (21) is fixedly connected with a rotating rod (22) penetrating through the raking device (2), the bottom of the rotating rod (22) is rotatably sleeved with a chassis (23), the bottom of the chassis (23) is annularly and uniformly installed with universal wheels (24), the outer ring of the rotating rod (22) is fixedly sleeved with a rotating frame (25) above the chassis (23), the bottom of the rotating frame (25) is annularly and uniformly provided with a claw group, the claw group comprises linearly and uniformly arranged pawls (26).

4. The agricultural straw recovery device of claim 3, wherein: The output shaft end of the second motor (7) is fixedly installed with a rotating disc (71), one side of the vibrating sieve plate (6) is fixedly installed with a stop block, the rotating disc (71) and the stop block are movably connected with a connecting rod (72), one end of the connecting rod (72) is eccentrically installed on the surface of the rotating disc (71).