Anti-winding smashing device for biomass energy crop straw

By designing the structure of the cutting groove, cross frame and servo cylinder in the straw crusher, combined with the anti-winding design of the crushing roller and bumps, the problem of the straw winding during the crushing process is solved, and a more thorough crushing and more efficient work flow is achieved.

CN222548101UActive Publication Date: 2025-03-04HUNAN MINGSHENG ENVIRONMENTAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421647433.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-12
Publication Date
2025-03-04
Estimated Expiration
2034-07-12

AI Technical Summary

Technical Problem

The existing straw crushers lack anti-winding structure, which causes straws to easily wrap around the shaft during the cutting process, affecting the crushing effect and increasing the difficulty of cleaning and labor intensity.

Method used

An anti-winding crushing device for biomass energy crop straw was designed, using a cutting groove and a cross frame structure, combining a servo cylinder and a cutting knife, the straw was cut into sections through a cutting mechanism, and the straw was prevented from winding by using a crushing roller and bump structure.

Benefits of technology

Through the design of the double crushing and cutting mechanism, the complete crushing of straw is achieved, the problem of adhesion and winding is avoided, the cleaning frequency and labor intensity are reduced, and the work efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-winding smashing device for biomass energy crop straw, which belongs to the technical field of biomass energy and comprises a cutting groove and a transverse frame, the transverse frame is fixedly mounted on one side of the upper portion of the cutting groove, the cutting groove is of a semi-enclosed structure with two sides being cambered surfaces and the bottom being a plane, a cutting mechanism is arranged below the transverse frame, and the cutting mechanism is arranged below the transverse frame. A smashing mechanism is arranged on one side below the cutting groove, the cutting mechanism comprises a servo electric cylinder A and a cutting knife, and the servo electric cylinder A is installed on one side below the transverse frame. Straw is cut into small sections through the cutting mechanism, the situation that the straw is too long and wound on the material crushing roller connecting shaft is avoided, the protruding blocks on the surfaces of the material crushing roller blades make contact with the material crushing roller connecting shaft, the straw adhering to the surfaces of the protruding blocks are knocked, crushed and disengaged, the situation that the straw adheres to and is wound on the material crushing roller connecting shaft is avoided, and the straw crushing efficiency is improved. And workers do not need to clean frequently, so that the labor intensity of the workers is reduced, and the working efficiency is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of biomass energy, in particular to an anti-winding crushing device for biomass energy crop straws. Background Art

[0002] Straw is a general term for the stems and leaves (ears) of mature crops, usually used for animal feed or biomass production.

[0003] Among them, after searching, it was found that there is a patent number CN202022023448.9 that discloses an easy-to-clean straw crusher, including a lower box body and an upper box body, a circle of lower connecting blocks is provided on the outer side in the center of the lower box body, and a plurality of groups of supporting legs are provided at the bottom end of the lower box body. The easy-to-clean straw crusher, thanks to the establishment of the lower box body and the upper box body, the lower connecting blocks and the upper connecting blocks on both sides of the lower box body and the upper box body are bolted so that the lower box body and the upper box body can be separated by removing the bolts, which is convenient for users to crush dense The sealed area can be cleaned; thanks to the threaded connection between the forward motor and the reverse motor and the forward shaft and the reverse shaft, the forward motor and the reverse motor can be separated by rotating the forward shaft and the reverse shaft in the opposite direction, so that the forward shaft and the reverse shaft can be disassembled, which is convenient for users to maintain the forward blade group and the reverse blade group on the outer edge surface of the forward shaft and the reverse shaft; thanks to the welding and fixed connection between the crushing box and the box bracket, the stability of the crushing box is improved, which prevents the misalignment of the forward blade group and the reverse blade group due to the excessively high rotation speed of the forward shaft and the reverse shaft.

[0004] However, after research, it was found that the device had no anti-entanglement structure, and the straw was long. During the cutting process, it was easy for the straw to entangle and adhere to the forward and reverse shafts, affecting the normal operation of the device and resulting in incomplete straw crushing. The staff needed to frequently disassemble and clean the device, which reduced work efficiency and increased the labor intensity of the staff. Therefore, a new device was provided to solve this problem. Utility Model Content

[0005] The purpose of the utility model is to provide an anti-winding crushing device for biomass crop straws in order to solve the above-mentioned problems.

[0006] The technical solution adopted by the utility model is as follows: an anti-winding crushing device for biomass crop straws, comprising a cutting groove and a cross frame, a cross frame is fixedly installed on one side above the cutting groove, and the cutting groove is a semi-enclosed structure with curved surfaces on both sides and a flat bottom;

[0007] A cutting mechanism is provided below the horizontal frame, and a crushing mechanism is provided on one side below the cutting groove;

[0008] The cutting mechanism includes a servo electric cylinder A and a cutting knife. The servo electric cylinder A is installed on one side below the horizontal frame, and the cutting knife is fixedly installed at the end of the servo electric cylinder A.

[0009] The pulverizing mechanism comprises a pulverizing box and a pulverizing roller. The pulverizing box is fixedly installed at a position corresponding to the cutting knife on one side below the cutting groove, and the pulverizing roller is installed inside the pulverizing box.

[0010] Among them, there are two crushing rollers, and the blades of the two crushing rollers are staggered and interlocked with each other, and protrusions are provided on the edges of the crushing roller blades, and the protrusions are close to the crushing roller connecting shaft. A lead screw slide is fixedly installed on one side above the cutting groove, and a push plate is slidably connected to the inside of the cutting groove through the slide, and the lead screw slide is connected to the push plate through a slider, and a servo electric cylinder B is installed on the other side below the cross frame, and a pressure plate is fixedly installed at the end of the servo electric cylinder B, and the pressure plate is arranged in an arc-shaped structure.

[0011] Among them, a cutting plate is rotatably connected to one side of the cutting groove corresponding to the cutting knife through a rotating shaft, an electric cylinder is rotatably connected to the lower part of the cutting plate through a rotating shaft, and the other end of the electric cylinder is rotatably connected to the cutting groove through a rotating shaft.

[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0013] 1. In the utility model, the cutting mechanism and the crushing mechanism cooperate with each other to perform double crushing on the straw, thereby ensuring the crushing effect of the straw and making the crushing more thorough.

[0014] 2. In the utility model, the straw is cut into small sections by the cutting mechanism to prevent the straw from being too long and entangled on the connecting shaft of the shredder roller. The protrusions on the edge of the blade of the shredder roller touch the connecting shaft of the shredder roller, knocking and breaking the straw adhering to the surface of the shredder roller to make it fall off, thus preventing the straw from adhering to and entangled on the connecting shaft of the shredder roller. There is no need for the staff to clean it frequently, which reduces the labor intensity of the staff and improves the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall side structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the local three-dimensional structure of the cutting groove in the utility model;

[0017] Figure 3 This is a schematic diagram of the partial three-dimensional structure of the medium pressure plate of the utility model;

[0018] Figure 4 This is a schematic diagram showing the partial front structure of the crushing roller in the utility model.

[0019] Markings in the figure: 1, cutting groove; 101, cross frame; 102, screw guide rail; 1021, push plate; 103, cutting plate; 1031, electric cylinder; 2, servo electric cylinder A; 201, cutting knife; 202, servo electric cylinder B; 2021, pressing plate; 3, crushing box; 301, crushing roller. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the utility model:

[0022] Reference Figure 1-4 , an anti-winding crushing device for biomass crop straw, comprising a cutting groove 1 and a cross frame 101, wherein the cross frame 101 is fixedly installed on one side above the cutting groove 1, and the cutting groove 1 is a semi-enclosed structure with curved surfaces on both sides and a flat bottom;

[0023] A cutting mechanism is provided below the horizontal frame 101 , and a crushing mechanism is provided on one side below the cutting groove 1 .

[0024] Reference Figure 1 Furthermore, the cutting mechanism includes a servo electric cylinder A2 and a cutting knife 201. The servo electric cylinder A2 is installed on one side below the cross frame 101, and the cutting knife 201 is fixedly installed at the end of the servo electric cylinder A2. The staff places the straw horizontally inside the cutting groove 1, and the servo electric cylinder A2 extends to drive the cutting knife 201 to move downward to cut the straw, repeating the cycle.

[0025] Reference Figure 1 , 4 Furthermore, the crushing mechanism includes a crushing box 3 and a crushing roller 301. The crushing box 3 is fixedly installed on one side below the cutting groove 1 corresponding to the cutting knife 201. The crushing roller 301 is installed inside the crushing box 3. There are two crushing rollers 301, and the blades of the two crushing rollers 301 are staggered and interlocked with each other. The edges of the blades of the crushing rollers 301 are provided with protrusions, and the protrusions are close to the connecting shafts of the crushing rollers 301. The straw segments after cutting fall into the crushing box 3. The two crushing rollers 301 crush the straw again under the action of their matching motors. The protrusions on the edges of the blades of the crushing rollers 301 touch the straw adhered to the connecting shaft of the crushing rollers 301, causing it to fall off, thereby preventing the straw from adhering to and winding around the connecting shaft of the crushing rollers 301, and ensuring the normal operation of the crushing rollers 301.

[0026] Reference Figure 1 ,2 Furthermore, a screw rail 102 is fixedly installed on one side above the cutting groove 1, and a push plate 1021 is slidably connected to the inside of the cutting groove 1 through the rail, and the screw rail 102 is connected to the push plate 1021 through a slider. The screw rail 102 drives the push plate 1021 to move back and forth, pushing the straw inside the cutting groove 1 to the bottom of the cutting knife 201.

[0027] Reference Figure 1 , 3 Furthermore, a servo electric cylinder B202 is installed on the other side below the horizontal frame 101, and a pressure plate 2021 is fixedly installed at the end of the servo electric cylinder B202. The pressure plate 2021 is arranged in an arc-shaped structure. The servo electric cylinder B202 extends, driving the pressure plate 2021 to move downward and press on the straw to fix one side of the straw cut to facilitate cutting.

[0028] Reference Figure 1 , 2 Furthermore, a cutting plate 103 is rotatably connected to one side of the cutting groove 1 corresponding to the cutting knife 201 through a rotating shaft, and an electric cylinder 1031 is rotatably connected to the lower part of the cutting plate 103 through a rotating shaft, and the other end of the electric cylinder 1031 is rotatably connected to the cutting groove 1 through a rotating shaft. The electric cylinder 1031 contracts, driving the cutting plate 103 to tilt, so that the straw segments on its surface fall into the crushing box 3.

[0029] Reference Figure 1 , 2 4. Furthermore, the screw guide rail 102, the electric cylinder 1031, the servo electric cylinder A2, the servo electric cylinder B202 and the crushing roller 301 are all electrically connected to an external power supply through the control panel.

[0030] Working principle: First, the staff puts the straw horizontally inside the cutting groove 1, and makes one end of the straw slightly exceed the edge of the cutting groove 1 and is placed above the cutting plate 103. Then, the servo electric cylinder B202 extends, driving the pressing plate 2021 to move down and press on the straw to fix one side of the straw cut. At the same time, the servo electric cylinder A2 extends, driving the cutting knife 201 to move down and cut the straw. Then, the electric cylinder 1031 contracts, driving the cutting plate 103 to tilt, so that the straw segment on its surface falls into the crushing box 3. After that, the electric cylinder 1031 is reset, and the screw slide rail 102 drives the push plate 1021 to push the straw inside the cutting groove 1 to move slightly for a distance, and the above work is continued until all the straw is evenly cut into small sections. Finally, the two shredder rollers 301 crush the straw again under the action of their matching motors, and the bumps on the surface of the shredder roller 301 blade touch the straw adhered to the connecting shaft of the shredder roller 301 to make it fall off, thereby preventing the straw from adhering to and winding around the connecting shaft of the shredder roller 301, thereby ensuring the normal operation of the shredder roller 301.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for preventing winding and crushing of biomass crop straw, comprising a cutting groove (1) and a cross frame (101), wherein the cross frame (101) is fixedly mounted on one side above the cutting groove (1), characterized in that: The cutting groove (1) is a semi-enclosed structure with curved surfaces on both sides and a flat bottom; A cutting mechanism is provided below the horizontal frame (101), and a crushing mechanism is provided on one side below the cutting groove (1); The cutting mechanism comprises a servo electric cylinder A (2) and a cutting knife (201); the servo electric cylinder A (2) is installed on one side below the cross frame (101); and the cutting knife (201) is fixedly installed at the end of the servo electric cylinder A (2); The pulverizing mechanism comprises a pulverizing box (3) and a pulverizing roller (301); the pulverizing box (3) is fixedly installed at a position corresponding to the cutting knife (201) on one side below the cutting groove (1); and the pulverizing roller (301) is installed inside the pulverizing box (3).

2. The anti-winding crushing device for biomass crop straw according to claim 1, characterized in that: There are two crushing rollers (301), and the blades of the two crushing rollers (301) are interlaced and engaged with each other, and the edges of the blades of the crushing rollers (301) are provided with protrusions, and the protrusions are close to the connecting shafts of the crushing rollers (301).

3. The anti-winding crushing device for biomass crop straw according to claim 1, characterized in that: A lead screw guide rail (102) is fixedly mounted on one side above the cutting groove (1), a push plate (1021) is slidably connected to the interior of the cutting groove (1) via the guide rail, and the lead screw guide rail (102) is connected to the push plate (1021) via a slider.

4. The anti-winding crushing device for biomass crop straw according to claim 1, characterized in that: A servo electric cylinder B (202) is installed on the other side below the cross frame (101), and a pressing plate (2021) is fixedly installed at the end of the servo electric cylinder B (202).

5. The anti-winding crushing device for biomass crop straw according to claim 4, characterized in that: The pressing plate (2021) is arranged in an arc-shaped structure.

6. The anti-winding crushing device for biomass crop straw according to claim 1, characterized in that: A cutting plate (103) is rotatably connected to one side of the cutting groove (1) at a position corresponding to the cutting knife (201) via a rotating shaft, an electric cylinder (1031) is rotatably connected below the cutting plate (103) via a rotating shaft, and the other end of the electric cylinder (1031) is rotatably connected to the cutting groove (1) via a rotating shaft.

Citation Information

Patent Citations

  • Straw pulverizer easy to clean

    CN213368800U