A straw recycling and crushing device

By introducing a return section and a screening section into the straw crushing device, secondary crushing and screening of straw are achieved, solving the problem of uneven crushing in a single crushing and improving the uniformity and quality of straw crushing.

CN224460696UActive Publication Date: 2026-07-07INNER MONGOLIA YANGCHENG BIOTECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
INNER MONGOLIA YANGCHENG BIOTECHNOLOGY CO LTD
Filing Date
2025-08-08
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Existing straw crushing devices are prone to uneven crushing during a single crushing operation, resulting in differences in particle size and affecting subsequent processing.

Method used

The design incorporates a recycling section and a screening section. Through the coordinated action of rotating and vibrating components, the straw undergoes secondary crushing and screening, forming a complete processing flow of crushing, screening, recycling, and further crushing.

Benefits of technology

It improves the uniformity and quality of straw crushing, reduces the particle size difference of materials caused by incomplete crushing in a single batch, and improves the quality of finished products.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of for straw recycling and crushing device, it is related to straw recycling technical field.The utility model includes grinder, further include: back material part, the back material part is set in the left side of grinder;Screening part, the screening part is installed in the outer wall of grinder;The back material part includes rotating assembly, and the rotating assembly is located in the left side of grinder;And power component, the power component is installed in the left side of grinder;The rotating assembly includes the bracket one being set in the left side of grinder, the inner wall of the bracket one is rotatably connected with rotating block, six storage grooves are set in the right side of the rotating block.The utility model sets up back material part, solved the device in the use process, when carrying out crushing to straw, single crushing is often, uneven crushing can occur, leading to the difference of the size of the material crushed, and uneven straw particle also affect the subsequent processing use of straw.
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Description

Technical Field

[0001] This utility model belongs to the field of straw recycling technology, and in particular relates to a straw recycling and crushing device. Background Technology

[0002] The related technology discloses a crushing device for recycling crop straw (publication number CN214430335U). This device crushes straw by using a motor, gears, and crushing rollers, and uses a sieve plate to screen the crushed straw, thereby improving the crushing quality and practicality of the device. Support columns are used to support the device, and support feet are used to increase the contact between the support columns and the ground, improving the stability of the device. A conveying mechanism transports the straw from the hopper into the outer casing, preventing straw accumulation and blockage, thus improving the stability of the device. A shielding mechanism protects the hopper, preventing dust from entering the interior of the device when it is not in use, thus improving its practicality.

[0003] However, during the use of this device, when crushing straw, it is often a single crushing process, which can lead to uneven crushing. This results in differences in the size of the crushed material, and the uneven straw particles can affect the subsequent processing and use of the straw. Utility Model Content

[0004] The purpose of this utility model is to provide a straw recycling and crushing device. By setting up a return section, it solves the problem that when the device crushes straw, it often crushes it in a single operation, resulting in uneven crushing and differences in particle size. Uneven straw particles can also affect the subsequent processing and use of straw.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model relates to a straw recycling and crushing device, including a crusher, and further comprising: a return section disposed on the left side of the crusher; a screening section installed on the outer wall of the crusher; the return section includes a rotating assembly located on the left side of the crusher; and a power assembly installed on the left side of the crusher; the rotating assembly includes a support frame disposed on the left side of the crusher, a rotating block rotatably connected to the inner wall of the support frame, six storage slots opened on the right side of the rotating block, a feed inlet opened on the right side of the support frame, and a discharge outlet opened on the right side of the support frame; wherein, the right side of the rotating block contacts the support frame, the six storage slots are circumferentially distributed, and the sides of the six storage slots that are close to each other are chamfered.

[0007] Furthermore, the screening section includes a separation component installed at the bottom of the crusher; and a vibration component disposed on the separation component; wherein the left side of the vibration component extends outside the separation component.

[0008] Furthermore, the power assembly includes a motor sleeve fixedly connected to the left side of the support frame, a motor fixedly connected to the inner wall of the motor sleeve, a rotating shaft rotatably connected to the inner wall of the support frame, and the outer wall of the rotating shaft fixedly connected to the rotating block; wherein, the left side of the rotating shaft extends to the outside of the support frame, the rotating shaft passes through the rotating block, and the output shaft of the motor is fixedly connected to the rotating shaft via a coupling, the rotating shaft is driven to rotate by the motor, thereby driving the rotating block to rotate, providing operating power for the upward movement of the straw crushed material.

[0009] Furthermore, the separation assembly includes a second support fixedly connected to the outer wall of the crusher. A hopper is fixedly connected to the inner wall of the second support, and an inclined plate is fixedly connected to the inner wall of the second support. A separation component is provided on the inner wall of the second support. The left side of the hopper is inclined downward and connected to the feed inlet. The front side of the inclined plate is inclined downward, and the rear side of the inclined plate is fixedly connected to the hopper. The separation component includes a connecting plate hinged to the inner wall of the second support. A sieve plate is fixedly connected to the inner wall of the connecting plate. The connecting plate is a hollow plate, and the sieve plate is inside the connecting plate. The bottom of the connecting plate is in contact with the hopper. The hopper and the inclined plate guide the material flow, and the sieve plate separates the material.

[0010] Furthermore, the vibration assembly includes a motor sleeve two fixedly connected to the left side of the support two, a motor two fixedly connected to the inner wall of the motor sleeve two, a rotating shaft two rotatably connected to the inner wall of the support two, the left side of the rotating shaft two extending to the outside of the support two, the output shaft of the motor two fixedly connected to the rotating shaft two via a coupling, a cam fixedly connected to the outer wall of the rotating shaft two, and an elastic element provided inside the support two; wherein, the rotating shaft two passes through the cam, the cam being a cylindrical block with a protrusion at the front end, and the elastic element includes a limiting plate fixedly connected to the inner wall of the support two, with two springs fixedly connected to the bottom of the limiting plate; wherein, the bottom of both springs is fixedly connected to a connecting plate, and the two springs are mirror images of each other, the motor two drives the cam to rotate, and combined with the elastic action of the springs, causes the screen plate to vibrate, thereby improving the material separation efficiency.

[0011] This utility model has the following beneficial effects:

[0012] 1. By setting up a return section, the crushed material can be transported back to the feed inlet of the crusher under the coordinated action of the rotating component and the power component, realizing secondary crushing, effectively improving the crushing effect of the material, reducing the particle size difference of the material caused by incomplete crushing in a single time, and thus improving the overall quality of the crushed finished product.

[0013] 2. By setting up a screening section, the straw crushed by the crusher can be screened by the screen plate under the drive of the vibration component 32, realizing the sorting of straw particle size. The qualified straw is directly discharged from the device, and the unqualified straw is sent back to the crusher for secondary crushing through the return section. This forms a complete processing flow of crushing, screening, return and re-crushing, which improves the quality and uniformity of straw crushing.

[0014] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a partial cross-sectional view of the rotating assembly of this utility model;

[0018] Figure 3 This is a schematic diagram of the overall structure of the sieve plate of this utility model;

[0019] Figure 4 This utility model Figure 3 A magnified structural diagram of A in the middle;

[0020] Figure 5 This is a partial cross-sectional view of the vibration component of this utility model.

[0021] The attached diagram lists the components represented by each number as follows:

[0022] 101. Crusher; 2. Feed return section; 21. Rotating assembly; 211. Support 1; 212. Rotating block; 213. Storage trough; 214. Feed inlet; 215. Discharge outlet; 22. Power assembly; 221. Motor sleeve 1; 222. Motor 1; 223. Rotating shaft 1; 3. Screening section; 31. Separation assembly; 311. Support 2; 312. Feed hopper; 313. Inclined plate; 314. Connecting plate; 315. Screen plate; 32. Vibration assembly; 321. Motor sleeve 2; 322. Motor 2; 323. Rotating shaft 2; 324. Cam; 325. Limiting plate; 326. Spring. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-5 As shown, this utility model is a straw recycling and crushing device, including a crusher 101, and further including: a return section 2, which is located on the left side of the crusher 101; and a screening section 3, which is installed on the outer wall of the crusher 101.

[0025] The return section 2 includes a rotating assembly 21 located on the left side of the crusher 101; and a power assembly 22 installed on the left side of the crusher 101. The rotating assembly 21 includes a support 211 located on the left side of the crusher 101. A rotating block 212 is rotatably connected to the inner wall of the support 211. Six storage slots 213 are provided on the right side of the rotating block 212. A feed inlet 214 and a discharge outlet 215 are provided on the right side of the support 211. The right side of the rotating block 212 is in contact with the support 211. The six storage slots 213 are circumferentially distributed, and the sides of the six storage slots 213 that are close to each other are chamfered. The power assembly 22 includes components fixedly connected to the left side of the support 211. The motor sleeve 221 on the side has a motor 222 fixedly connected to its inner wall, and a rotating shaft 223 rotatably connected to the inner wall of the bracket 211. The outer wall of the rotating shaft 223 is fixedly connected to the rotating block 212. The left side of the rotating shaft 223 extends to the outside of the bracket 211 and passes through the rotating block 212. The output shaft of the motor 222 is fixedly connected to the rotating shaft 223 through a coupling. By setting the return section 2, the crushed material can be transported back to the feed port of the crusher 101 under the synergistic action of the rotating component 21 and the power component 22, realizing secondary crushing, effectively improving the crushing effect of the material, reducing the material particle size difference caused by incomplete crushing in a single crushing, and thus improving the overall quality of the crushed finished product.

[0026] The screening section 3 includes a separation component 31, which is installed at the bottom of the crusher 101; and a vibration component 32, which is disposed on the separation component 31. The left side of the vibration component 32 extends outside the separation component 31. The separation component 31 includes a second support 311 fixedly connected to the outer wall of the crusher 101. A feed hopper 312 is fixedly connected to the inner wall of the second support 311, and an inclined plate 313 is fixedly connected to the inner wall of the second support 311. A separation element is provided on the inner wall of the second support 311. The left side of the feed hopper 312 is inclined downwards. The inclined plate 313 is connected to the feed inlet 214. Its front side slopes downwards, and its rear side is fixedly connected to the discharge hopper 312. The separating component includes a connecting plate 314 hinged to the inner wall of the support frame 311. A screen plate 315 is fixedly connected to the inner wall of the connecting plate 314. The connecting plate 314 is a hollow plate, and the screen plate 315 is inside the connecting plate 314. The bottom of the connecting plate 314 contacts the discharge hopper 312. The vibration assembly 32 includes a motor sleeve 321 fixedly connected to the left side of the support frame 311. A screen plate 315 is fixedly connected to the inner wall of the motor sleeve 321. Motor 2 322 and bracket 2 311 are rotatably connected to a rotating shaft 2 323. The left side of the rotating shaft 2 323 extends to the outside of bracket 2 311. The output shaft of motor 2 322 is fixedly connected to the rotating shaft 2 323 via a coupling. A cam 324 is fixedly connected to the outer wall of the rotating shaft 2 323. An elastic element is provided inside bracket 2 311. The rotating shaft 2 323 passes through the cam 324, which is a cylindrical block with a protrusion at the front end. The elastic element includes a limiting plate 325 fixedly connected to the inner wall of bracket 2 311. Two... Two springs 326 are fixedly connected to the bottom of the connecting plate 314. The two springs 326 are mirror images of each other. By setting the screening section 3, the straw crushed by the crusher 101 is screened by the screen plate 315 under the drive of the vibration component 32, which realizes the sorting of straw particle size. The qualified straw is directly discharged from the device, and the unqualified straw is sent back to the crusher 101 for secondary crushing through the return section 2. This forms a complete processing flow of crushing, screening, return and re-crushing, which improves the quality and uniformity of straw crushing.

[0027] A specific application of this embodiment is as follows: During use, straw can be poured into the crusher 101 from the top, and then the crusher 101 can be started. The crusher 101 is a 540-type electric hammer mill. During operation, the motor drives the main shaft to rotate the hammers at high speed. After the straw enters the crushing chamber, it is crushed by the impact of the hammers, shearing, and collision with the toothed plate. Simultaneously, under the influence of centrifugal force and airflow, the crushed material is discharged from the discharge hole and driven to the screen plate 315 by the fan. The crushed straw falling onto the screen plate 315 will be screened by the screen plate. At this time, the second motor 322 can be started to rotate its output shaft, thereby driving the cam 324 to rotate through the second rotating shaft 323, which squeezes the connecting plate 314. At this time, the limiting plate 32... The action of 5 will compress the spring 326 and generate elastic force. When the cam 324 moves away from the connecting plate 314, the spring 326 will rebound and reset, thereby generating vibration to screen the straw. The qualified straw will fall into the inclined plate 313 and finally be discharged from the device, while the unqualified straw will fall into the feed hopper 312 and fall from the feed inlet 214 into the storage trough 213 under the action of the feed hopper 312. At this time, the motor 222 can be started, and its output shaft will drive the rotating shaft 223 to rotate, thereby driving the straw in the storage trough 213 to move upward through the rotating block 212. When the storage trough 213 moves above the support 211, it falls from the discharge port 215 into the feed inlet of the crusher 101 under the action of the storage trough 213 for crushing again.

[0028] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0029] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A straw recycling and crushing device, comprising a crusher (101), characterized in that, Also includes: The material return section (2) is located on the left side of the crusher (101); Screening section (3), said screening section (3) is installed on the outer wall of the crusher (101); The return section (2) includes a rotating assembly (21), which is located on the left side of the crusher (101); and a power assembly (22), which is mounted on the left side of the crusher (101); The rotating assembly (21) includes a support (211) located on the left side of the crusher (101). A rotating block (212) is rotatably connected to the inner wall of the support (211). Six storage slots (213) are provided on the right side of the rotating block (212). A feed inlet (214) is provided on the right side of the support (211). A discharge outlet (215) is provided on the right side of the support (211). The right side of the rotating block (212) is in contact with the support (211), the six storage slots (213) are distributed in a circle, and the side of the six storage slots (213) that are close to each other is chamfered.

2. The straw recycling and crushing device according to claim 1, characterized in that, The screening section (3) includes a separation component (31) installed at the bottom of the crusher (101); and a vibration component (32) disposed on the separation component (31); The left side of the vibration component (32) extends outside the separation component (31).

3. The straw recycling and crushing device according to claim 2, characterized in that, The power assembly (22) includes a motor sleeve (221) fixedly connected to the left side of the bracket (211), a motor (222) fixedly connected to the inner wall of the motor sleeve (221), a rotating shaft (223) rotatably connected to the inner wall of the bracket (211), and the outer wall of the rotating shaft (223) fixedly connected to the rotating block (212). Among them, the left side of the rotating shaft (223) extends to the outside of the bracket (211), the rotating shaft (223) passes through the rotating block (212), and the output shaft of the motor (222) is fixedly connected to the rotating shaft (223) through a coupling.

4. The straw recycling and crushing device according to claim 3, characterized in that, The separation component (31) includes a second support (311) fixedly connected to the outer wall of the crusher (101), a feeding hopper (312) fixedly connected to the inner wall of the second support (311), an inclined plate (313) fixedly connected to the inner wall of the second support (311), and a separation component provided on the inner wall of the second support (311). The left side of the hopper (312) is inclined downward and connected to the feed inlet (214). The front side of the inclined plate (313) is inclined downward and the rear side of the inclined plate (313) is fixedly connected to the hopper (312).

5. A straw recycling and crushing device according to claim 4, characterized in that, The vibration assembly (32) includes a motor sleeve (321) fixedly connected to the left side of the bracket (311), a motor (322) fixedly connected to the inner wall of the motor sleeve (321), a rotating shaft (323) rotatably connected to the inner wall of the bracket (311), the left side of the rotating shaft (323) extending to the outside of the bracket (311), the output shaft of the motor (322) fixedly connected to the rotating shaft (323) through a coupling, a cam (324) fixedly connected to the outer wall of the rotating shaft (323), and an elastic element provided inside the bracket (311). Among them, the second rotating shaft (323) passes through the cam (324), and the cam (324) is a cylindrical block with a protrusion at the front end.

6. A straw recycling and crushing device according to claim 5, characterized in that, The separating component includes a connecting plate (314) hinged to the inner wall of the second support (311), and a sieve plate (315) is fixedly connected to the inner wall of the connecting plate (314). The connecting plate (314) is a hollow plate, and the screen plate (315) is inside the connecting plate (314). The bottom of the connecting plate (314) is in contact with the hopper (312).

7. A straw recycling and crushing device according to claim 6, characterized in that, The elastic element includes a limiting plate (325) fixedly connected to the inner wall of the bracket (311), and two springs (326) are fixedly connected to the bottom of the limiting plate (325). The bottoms of the two springs (326) are fixedly connected to the connecting plate (314), and the two springs (326) are mirror images of each other.