Straw smashing device for straw returning to field

By designing the screening and actuation components, the problems of poor screening effect and laborious manual straw removal in existing straw crushing devices have been solved, achieving efficient screening and convenient straw discharge, and improving the automation level of straw processing.

CN224098273UActive Publication Date: 2026-04-10JILIN AGRICULTURAL UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-15
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The existing straw crushing equipment has poor screening effect, and the straw needs to be manually removed after processing, which is time-consuming and labor-intensive, increasing the labor intensity of the workers.

Method used

The screening component includes a screening frame and a screening screen. The first motor drives the elliptical plate to vibrate the screening screen, and the actuating rod of the actuating component disperses the clumps of straw. The second motor rotates the processing shell to facilitate the discharge of straw. A crushing component is designed to improve the crushing efficiency.

Benefits of technology

It improves the screening effect and cleaning efficiency of straw, reduces the workload of staff, and enhances the automation level of straw processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a straw smashing device for straw returning, which belongs to the field of straw processing and comprises a base, a processing shell is rotatably connected onto the base, a material injection pipe is communicated onto the processing shell, a smashing component is mounted on the material injection pipe, a second motor is fixedly mounted on the side wall of the base, and the second motor is connected with the processing shell. And the rotating end of the second motor rotationally penetrates through the base and is fixedly connected to the treatment shell, a discharging opening is formed in one side of the treatment shell, and a screening assembly is installed on the base. According to the straw screening device, the screening net vibrates left and right, straw is screened, the screening effect is better, a poke rod moves in a reciprocating mode, clustered straw is poked to be scattered, the screening efficiency is improved, meanwhile, the angle of the processing shell is adjusted through a second motor, vibration in cooperation with screening and poke of a poke plate are achieved, residual straw in the processing shell is conveniently discharged, and the processing efficiency is improved. The workload of workers is reduced, and the cleaning effect and the cleaning efficiency are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a straw processing technical field especially relates to a straw pulverizing device for straw returning to field. BACKGROUND

[0002] Straw is the plant stem left after the crops are harvested, and the measure of returning straw to field is a common soil fertility increasing measure in the world, which usually covers the straw on the soil surface, and after a period of time, the straw will rot and become organic fertilizer of the soil, but the soil accumulated temperature is low in the eastern region of China, and the straw is not easy to rot, and the mountainous terrain is complex in the eastern region, and the farmers lack the corresponding mechanical equipment to process the straw, the unrotten straw carries pathogenic bacteria and insect eggs, increases the risk of soil-borne diseases and insect pests, and also destroys the soil structure, so the corresponding straw pulverizing device is needed to process the straw.

[0003] The utility model discloses a kind of straw pulverizing devices of application No.: CN202420728524.1, including machine case, hopper, pulverizing tooth, staggered teeth and arc screen, the hopper is installed at the top of machine case, the inside rotation of machine case is installed with pulverizing tooth, the inside two opposite sides of machine case are provided with staggered teeth matched with pulverizing tooth, the lower installation of machine case inside is with arc screen, a plurality of groups of screen holes with different diameters are opened in arc screen, arc screen bottom side is slidably installed with arc baffle ring, the installation of arc screen is with anti-blocking mechanism;By electric push rod work drive arc baffle ring moves, arc baffle ring moves at arc screen bottom side at this time, the screen hole of different diameters is blocked, the screen hole of different diameters on arc screen is used or shielded, it is convenient to control the size of straw after screening according to actual demand.But it is screened by changing the mode of arc screen screen hole, and the work staff needs to manually take out the straw on arc screen after opening the door of case after processing, so as to increase the workload of work staff, time-consuming and laborious. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model provides a straw pulverizing device for straw returning to field.

[0005] The embodiment of the utility model provides a straw pulverizing device for straw returning to field, which comprises:

[0006] The base is provided with a processing shell rotatably connected thereto, a feeding pipe in communication with the processing shell, a crushing assembly mounted on the feeding pipe, a second motor fixedly mounted on the sidewall of the base, a rotating end of the second motor rotatably penetrating the base and fixedly connected to the processing shell, a discharge port arranged on one side of the processing shell, a screening assembly mounted on the base, the screening assembly comprising a screening frame slidably connected to the inner wall of the processing shell, a screening net fixedly connected to the inner wall of the screening frame, a plurality of springs fixedly connected to the sidewall of the processing shell and fixedly connected to the screening frame, a first motor fixedly mounted on the upper end face of the processing shell, a rotating end of the first motor rotatably penetrating the processing shell and fixedly connected to an elliptical plate, and a poking assembly mounted on the processing shell.

[0007] Further, the poking assembly comprises a connecting rod fixedly connected to the inner wall of the processing shell, a moving groove formed in the connecting rod, a reciprocating screw rod mounted in the moving groove, a moving plate mounted on the reciprocating screw rod, a plurality of poking rods fixedly connected to the moving plate, a main pulley and a driven pulley rotatably connected to the sidewall of the processing shell, the main pulley and the driven pulley being in transmission through a transmission belt, a rotating rod rotatably connected to the connecting rod, one section of the rotating rod being rotatably connected to the inner wall of the processing shell, the rotating rod being fixedly arranged on the driven pulley and the reciprocating screw rod respectively, a rotating cavity formed in the processing shell, a first bevel gear rotatably connected to the inner wall of the rotating cavity, a second bevel gear fixedly connected to the rotating end of the first motor, the first bevel gear and the second bevel gear being in meshing with each other, and the main pulley and the first bevel gear being fixedly connected.

[0008] Further, the crushing assembly comprises two crushing rollers rotatably connected to the inner wall of the feeding pipe, two rotating gears rotatably connected to the sidewall of the feeding pipe, the two rotating gears being in meshing with each other and fixedly connected to the two crushing rollers respectively, and a third motor fixedly mounted on the sidewall of the feeding pipe, a rotating end of the third motor being fixedly connected to one of the crushing rollers.

[0009] Further, a hopper is fixedly connected to the upper end face of the feeding pipe, and the inner wall of the lower end of the processing shell is conically arranged.

[0010] Further, a sealing plate is arranged on the discharge port, the sealing plate being matched with the discharge port.

[0011] Further, a protective shell is fixedly connected to the upper end face of the processing shell, the protective shell being matched with the first motor.

[0012] Compared with the prior art, the base has the following beneficial effects:

[0013] 1. The crushed straw falls onto the screening screen on the screening frame. The first motor drives the elliptical plate to rotate, causing the screening screen to vibrate left and right, thus screening the straw for better results. After processing, the sealing plate is removed, and then the second motor drives the processing shell to rotate, which allows the straw remaining in the screening frame to be poured out from the discharge port. The screening frame can also vibrate, making it easier for users to discharge the straw remaining in the processing shell and reducing the workload of the staff.

[0014] 2. During the screening process, the moving plate on the reciprocating screw moves back and forth, driving the actuating rod to agitate the surface of the screening mesh, breaking up clumps of straw and improving screening efficiency. When discharging the straw remaining in the screening frame, the actuating rod agitates the straw, dislodging the straw hanging on the screening mesh, making it easier to discharge the remaining straw and improving cleaning effect and efficiency. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural schematic diagram of a straw crushing device for returning straw to the field, as described in an embodiment of this utility model.

[0016] Figure 2 This is a three-dimensional sectional view of the rotating cavity structure of a straw crushing device for returning straw to the field, as described in an embodiment of this utility model.

[0017] Figure 3 This is a perspective sectional view of a straw crushing device for returning straw to the field, as described in an embodiment of this utility model.

[0018] Figure 4 This is a three-dimensional side view of the structure of a straw crushing device for returning straw to the field, as described in an embodiment of this utility model.

[0019] In the above-mentioned attached figures: 1 base, 2 processing shell, 3 screening frame, 4 screening screen, 5 spring, 6 first motor, 7 elliptical plate, 8 second motor, 9 reciprocating screw, 10 actuating rod, 11 main pulley, 12 transmission belt, 13 rotating cavity, 14 first bevel gear, 15 crushing roller, 16 rotating gear, 17 sealing plate, 18 protective shell. Detailed Implementation

[0020] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0021] like Figures 1-4 As shown in the figure, this utility model embodiment proposes a straw crushing device for returning straw to the field, comprising:

[0022] The base 1 is rotationally connected with a processing shell 2, the processing shell 2 is communicated with a feeding pipe, the upper end surface of the feeding pipe is fixedly connected with a hopper, the lower end inner wall of the processing shell 2 is conically arranged, the hopper is arranged to facilitate the user to add the straw into the feeding pipe, the conical inner wall of the processing shell 2 is arranged to facilitate the user to collect the processed straw, the feeding pipe is provided with a crushing assembly, the base 1 is fixedly provided with a second motor 8 on the side wall, the rotating end of the second motor 8 rotationally penetrates the base 1 and is fixedly connected to the processing shell 2, one side of the processing shell 2 is provided with a discharge port, the discharge port is provided with a sealing plate 17, the sealing plate 17 is matched with the discharge port, so that the straw is prevented from falling off from the discharge port during the processing, the base 1 is provided with a screening assembly, the screening assembly comprises a screening frame 3 which is slidingly connected to the inner wall of the processing shell 2, the inner wall of the screening frame 3 is fixedly connected with a screening net 4, the side wall of the processing shell 2 is fixedly connected with a plurality of springs 5, the plurality of springs 5 are fixedly connected to the screening frame 3, and the upper end surface of the processing shell 2 is fixedly provided with a first motor 6;

[0023] The upper end surface of the processing shell 2 is fixedly connected with a protection shell 18, the protection shell 18 is matched with the first motor 6, the protection shell 18 can protect the first motor 6, so that the first motor 6 is prevented from being damaged due to external interference, the rotating end of the first motor 6 rotationally penetrates the processing shell 2 and is fixedly connected with an oval plate 7, the processing shell 2 is provided with a pushing assembly, the pushing assembly comprises a connecting rod which is fixedly connected to the inner wall of the processing shell 2, the connecting rod is provided with a moving groove, the moving groove is provided with a reciprocating screw rod 9, the reciprocating screw rod 9 is a mechanical component which can realize the reciprocating movement of a sliding block under the condition that a main shaft rotates in one direction, and a moving plate is fixedly connected to the sliding block, and details are not repeated here, the reciprocating screw rod 9 is provided with the moving plate, the moving plate is fixedly connected with a plurality of pushing rods 10, the side wall of the processing shell 2 is rotationally connected with a main pulley 11 and a driven pulley, and the main pulley 11 and the driven pulley are driven through a transmission belt 12;

[0024] The connecting rod is rotationally connected with a rotating rod, one section of the rotating rod is rotationally connected to the inner wall of the processing shell 2, and the rotating rod is fixedly arranged on the driven pulley and the reciprocating screw rod 9, respectively, the processing shell 2 is provided with a rotating cavity 13, the inner wall of the rotating cavity 13 is rotationally connected with a first bevel gear 14, the rotating end of the first motor 6 is fixedly connected with a second bevel gear, the first bevel gear 14 and the second bevel gear are meshed with each other, and the main pulley 11 and the first bevel gear 14 are fixedly connected, the crushing assembly comprises two crushing rollers 15 which are rotationally connected to the inner wall of the feeding pipe, the side wall of the feeding pipe is rotationally connected with two rotating gears 16, the two rotating gears 16 are meshed with each other, the two rotating gears 16 are fixedly connected to the two crushing rollers 15, respectively, and the side wall of the feeding pipe is fixedly provided with a third motor, and the rotating end of the third motor is fixedly connected to one of the crushing rollers 15.

[0025] The detailed working process of the utility model is as follows:

[0026] The straw to be treated is placed into the injection pipe, then the third motor starts to work, so that the crushing roller 15 rotates to crush the straw, then the crushed straw falls onto the screening net 4 on the screening frame 3, the first motor 6 drives the oval plate 7 to rotate, the oval plate 7 continuously hits the screening frame 3, under the limiting of the spring 5, the screening frame 3 vibrates left and right, so that the screening net 4 vibrates left and right, the straw is screened, the screening effect is better, in the screening process, under the transmission of the first bevel gear 14 and the second bevel gear, the main pulley 11 rotates, under the transmission of the transmission belt 12, the slave pulley rotates, the reciprocating screw 9 starts to work, the moving plate on the reciprocating screw 9 reciprocates, drives the stirring rod 10 to stir the surface of the screening net 4, and the straw in the form of a group is scattered, so that the screening efficiency is improved, after processing is completed, the sealing plate 17 is removed, the second motor 8 drives the processing shell 2 to rotate by a certain angle, so that the residual straw in the screening frame 3 can be poured out from the discharge port, and the screening frame 3 can vibrate, so that the user can conveniently pour out the residual straw in the processing shell 2, the workload of the workers is reduced, and when the residual straw in the screening frame 3 is poured out, the stirring rod 10 stirs the straw, so that the straw hanging on the screening net 4 is stirred and falls, the residual straw is conveniently poured out, the cleaning effect and the cleaning efficiency are improved.

[0027] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A straw pulverizing device for straw return to field, characterized by, Include: The base (1), the processing shell (2) is rotatably connected on the base (1), the processing shell (2) is communicated with the injection tube, the injection tube is installed with the crushing assembly, the second motor (8) is fixedly installed on the side wall of the base (1), the rotating end of the second motor (8) is rotatably connected through the base (1) and is fixedly connected on the processing shell (2), one side of the processing shell (2) is provided with a discharge port, the base (1) is installed with the screening assembly, the screening assembly includes the screening frame (3) that is slidably connected on the inner wall of the processing shell (2), the inner wall of the screening frame (3) is fixedly connected with the screening net (4), the side wall of the processing shell (2) is fixedly connected with a plurality of springs (5), a plurality of the springs (5) are fixedly connected on the screening frame (3), the first motor (6) is fixedly installed on the upper end surface of the processing shell (2), the rotating end of the first motor (6) is rotatably connected through the processing shell (2) and is fixedly connected with the oval plate (7), the processing shell (2) is installed with the poking assembly.

2. The straw crushing device for straw returning to field according to claim 1, wherein: The poking assembly includes a connecting rod fixedly connected to the inner wall of the processing shell (2), a moving groove is formed in the connecting rod, a reciprocating screw rod (9) is installed in the moving groove, a moving plate is installed on the reciprocating screw rod (9), a plurality of poking rods (10) are fixedly connected to the moving plate, a main pulley (11) and a driven pulley are rotatably connected to the side wall of the processing shell (2), the main pulley (11) and the driven pulley are driven by a transmission belt (12), a rotating rod is rotatably connected to the connecting rod, one end of the rotating rod is rotatably connected to the inner wall of the processing shell (2), the rotating rod is fixedly arranged on the driven pulley and the reciprocating screw rod (9) respectively, a rotating cavity (13) is formed in the processing shell (2), a first bevel gear (14) is rotatably connected to the inner wall of the rotating cavity (13), a second bevel gear is fixedly connected to the rotating end of the first motor (6), the first bevel gear (14) and the second bevel gear are meshed with each other, and the main pulley (11) and the first bevel gear (14) are fixedly connected.

3. The straw crushing device for straw returning to field according to claim 1, wherein: The crushing assembly includes two crushing rollers (15) rotatably connected to the inner wall of the injection tube, two rotating gears (16) are rotatably connected to the side wall of the injection tube, the two rotating gears (16) are meshed with each other, and the two rotating gears (16) are fixedly connected to the two crushing rollers (15) respectively, and a third motor is fixedly installed on the side wall of the injection tube, and the rotating end of the third motor is fixedly connected to one of the crushing rollers (15).

4. The straw crushing device for straw returning to field according to claim 1, wherein: A hopper is fixedly connected to the upper end surface of the injection tube, and the lower end inner wall of the processing shell (2) is conical.

5. The straw crushing device for straw returning to field according to claim 1, wherein: A sealing plate (17) is arranged on the discharge port, and the sealing plate (17) is matched with the discharge port.

6. The straw pulverizing device for straw returning to field according to claim 1, characterized in that the upper end surface of the processing shell (2) is fixedly connected with a protective shell (18) matched with the first motor (6). ​

Citation Information

Patent Citations

  • Straw smashing device

    CN222053960U