CN220071763U - Corn stalk reducing mechanism for biomass fuel - Google Patents

Abstract

The utility model belongs to the technical field of crushing equipment, in particular to corn stalk crushing equipment for biomass fuel, which comprises a crushing box body; a pair of crushing rollers are rotatably connected inside the crushing box body; the inner side wall of the crushing box body is fixedly connected with a drainage tube; a motor is arranged on the inner side wall of the drainage cylinder; the output end of the motor is fixedly connected with a blade; the inner side wall of the crushing box body is fixedly connected with a filter screen; the filter screen is positioned at the bottom of the blade; the filter screen is obliquely arranged in the crushing box body; an electric cylinder is arranged at the bottom of the crushing box body; the output end of the electric cylinder is fixedly connected with an extrusion plate; the side wall of the crushing box body is fixedly connected with a collecting box; the collecting box is communicated with the inside of the crushing box body; through the cooperation crushing that has crushing roller and blade at the inside increase of smashing the case body, can make the maize straw that enters into smashing the inside of case body by kibbling comparatively even, promote crushing efficiency of smashing the case body to maize straw.

Description

A kind of corn straw crushing equipment for biomass fuel

Technical field

The utility model belongs to the technical field of crushing equipment, specifically a corn straw crushing equipment for biomass fuel.

Background technique

Corn stalks refer to the remaining stalks after harvesting, which can be processed and burned as biomass fuel. Biomass is the fourth largest energy source after coal, oil, and natural gas.

A Chinese patent with the publication number CN114097442A discloses an injection mold, including an automatic feeding device, a feeding anti-return device and a cutting device; the automatic feeding device includes a support frame, with rotating drums at both ends of the support frame, and between the rotating drums. A conveyor belt is set up; the support frame is also equipped with an auxiliary feeding component that can move up and down to suppress the straw.

In the prior art, when corn stalks are crushed, the straw is simply added to the inside of the crusher for crushing. After long-term use observation, it was found that after a single crushing of the crusher, some of the straw will be crushed. Uneven crushing results in slow crushing efficiency of the crushing equipment.

To this end, the utility model provides a corn straw crushing equipment for biomass fuel.

Utility model content

In order to make up for the shortcomings of the existing technology, at least one technical problem raised in the background art is solved.

The technical solution adopted by the utility model to solve the technical problem is: the corn straw crushing equipment for biomass fuel described in the utility model includes a crushing box body; a pair of crushing rollers are rotatably connected inside the crushing box body; A drainage tube is fixedly connected to the inner wall of the crushing box body; a motor is installed on the inner wall of the drainage tube; a blade is fixedly connected to the output end of the motor; a filter screen is fixed to the inner wall of the crushing box body; the filter screen Located at the bottom of the blade; the filter is tilted inside the crushing box body; an electric cylinder is installed at the bottom of the crushing box body; an extrusion plate is fixedly connected to the output end of the electric cylinder; and the side wall of the crushing box body is fixedly connected There is a collection box; the collection box is connected to the inside of the crushing box body; during operation, corn straw is first put in from the top of the crushing box body, and at the same time, the crushing roller is rotated inside the crushing box body, and the corn stalks are added to the inside of the crushing box body. The corn stalks are squeezed and crushed. After the corn stalks are crushed by the crushing roller, they can fall into the inside of the drainage tube, and then be crushed twice by the rotation of the blades. The corn stalks are broken more thoroughly, and then the corn stalks are broken by the blades. The crushed straw can fall onto the filter screen. At this time, the crushed corn stalks that are smaller than the filter screen aperture can fall from the filter screen to the inner wall of the bottom of the crushing box body. The crushed corn stalks that are larger than the filter screen aperture can fall from the filter screen. It slides down to the inside of the collection box, and then the operator adds the corn straw inside the collection box from the top of the crushing box body to the inside of the crushing box body for multiple crushing; at the same time, there is an electric cylinder and a squeeze plate at the bottom of the crushing box body. The corn stalk residue that falls to the bottom of the crushing box body can be squeezed and collected; by adding a crushing roller and a blade inside the crushing box body to crush, the corn stalks entering the crushing box body can be crushed more evenly , improve the crushing efficiency of corn stalks by the crushing box body.

Preferably, a fan blade is fixed at the bottom of the blade; by adding a fan blade to the bottom of the blade, when the blade rotates to crush the corn stalks, the fan blade can drive the flow of gas inside the crushing box body, so that the gas added to the crushing box The corn stalk inside the body can contact the crushing roller and blade more quickly, increasing the crushing speed of the corn stalk by the crushing roller and blade; at the same time, the falling speed and sliding speed of the corn stalk residue on the top of the filter screen are increased.

Preferably, a support rod is fixed at the bottom of the fan blade; a first magnet is fixed at the bottom of the support rod; an elastic band is fixed at the bottom of the filter; a second magnet is fixed at the middle of the elastic band; through There is a second magnet at the bottom of the filter. When the fan blades rotate, the first magnet and the second magnet intermittently move closer and farther away. At this time, the second magnet will swing at the bottom of the filter. This swing can lift the filter. The falling speed of corn stalk residue inside the net reduces the problem of the filter being blocked.

Preferably, a bracket is provided between the support rod and the blade; one end of the bracket is fixed to the middle of the support rod, and the other end is fixed to the bottom of the blade; by adding a bracket between the support rod and the blade, the blade and the blade can be connected. When the fan blade rotates, improve the stability of the support rod at the bottom of the fan blade.

Preferably, the side wall of the blade is fixed with a scraper; the middle part of the scraper is connected with a plurality of bristles; the bristles are in contact with the inner wall of the drainage tube; by adding bristles on the side wall of the blade to contact with the drainage tube, it can be When the blade rotates, the bristles clean the inner wall of the drainage tube to reduce the residue of corn stalks on the inner wall of the drainage tube.

Preferably, an ejector pin is fixed in the middle of the extrusion plate; multiple ejector pins are provided on the extrusion plate; by providing multiple ejector pins on the extrusion plate, corn stalks can be extruded by the extrusion plate. During the collection process, the positioning effect of the extrusion plate on the corn straw compression block is improved.

The beneficial effects of this utility model are as follows:

1. The corn straw crushing equipment for biomass fuel described in this utility model can crush the corn straw that enters the inside of the crushing box body by adding a crushing roller and a blade inside the crushing box body. It is relatively uniform and improves the crushing efficiency of corn stalks by the crushing box body.

2. The corn straw crushing equipment for biomass fuel described in this utility model is provided with a second magnet at the bottom of the filter screen, so that when the fan blades rotate, the first magnet and the second magnet can be intermittently close to each other. At this time, the second magnet will swing at the bottom of the filter. This swing can increase the falling speed of the corn stalk residue inside the filter and reduce the problem of the filter being blocked.

Description of drawings

The utility model will be further described below in conjunction with the accompanying drawings.

Figure 1 is a perspective view of the utility model;

Figure 2 is a cross-sectional view of the utility model;

Figure 3 is a schematic diagram of the matching structure of the fan blades and blades in the utility model;

Figure 4 is a schematic structural diagram of the extruded sheet in the present utility model;

Figure 5 is a schematic structural diagram of the second embodiment of the present utility model;

In the picture: 1. Crushing box body; 11. Crushing roller; 12. Drainage tube; 13. Motor; 14. Blade; 15. Filter; 16. Electric cylinder; 17. Squeeze plate; 18. Collection box; 2. Fan blade; 3. Support rod; 31. First magnet; 32. Elastic band; 33. Second magnet; 4. Bracket; 5. Scraper; 51. Bristles; 6. Ejector; 7. Nail.

Detailed ways

In order to make it easy to understand the technical means, creative features, objectives and effects of the present utility model, the present utility model will be further elaborated below in conjunction with specific implementation modes.

Embodiment 1

As shown in Figures 1 to 4, a corn straw crushing equipment for biomass fuel according to the embodiment of the present invention includes a crushing box body 1; a pair of crushing rollers 11 are rotatably connected inside the crushing box body 1; A drainage tube 12 is fixedly connected to the inner wall of the crushing box body 1; a motor 13 is installed on the inner wall of the drainage tube 12; a blade 14 is fixedly connected to the output end of the motor 13; and a drainage tube 12 is fixedly connected to the inner wall of the crushing box body 1. Filter screen 15; the filter screen 15 is located at the bottom of the blade 14; the filter screen 15 is tilted inside the crushing box body 1; an electric cylinder 16 is installed at the bottom of the crushing box body 1; the output end of the electric cylinder 16 is fixed An extrusion plate 17 is connected; a collection box 18 is fixedly connected to the side wall of the crushing box body 1; the collection box 18 is internally connected with the crushing box body 1; during operation, first remove the corn stalks from the top of the crushing box body 1 Put it in, and at the same time make the crushing roller 11 rotate inside the crushing box body 1 to squeeze and crush the corn straw added inside the crushing box body 1. After the corn straw is crushed by the crushing roller 11, it can fall into the drainage tube 12 Inside, the corn stalks are broken more thoroughly by the rotation of the blade 14, and the corn stalks crushed by the blade 14 can fall onto the filter screen 15. At this time, the broken materials are smaller than the aperture of the filter screen 15. The corn stalks can fall from the filter screen 15 to the bottom inner wall of the crushing box body 1. The crushed corn stalks that are larger than the filter screen 15 can slide from the filter screen 15 to the inside of the collection box 18, and then the operator will move the collection box 18 The corn stalks inside are re-added from the top of the crushing box body 1 to the interior of the crushing box body 1 for multiple crushings; at the same time, an electric cylinder 16 and a squeeze plate 17 are provided at the bottom of the crushing box body 1 to prevent the corn stalks from falling into the crushing box body 1 1. The corn stalk residue at the bottom of the crushing box 1 is extruded and collected; by adding a crushing roller 11 and a blade 14 inside the crushing box body 1 for cooperative crushing, the corn stalks entering the interior of the crushing box body 1 can be crushed more evenly and the crushing can be improved. The crushing efficiency of corn stalks by the box body 1.

A fan blade 2 is fixedly connected to the bottom of the blade 14; by adding a fan blade 2 to the bottom of the blade 14, when the blade 14 rotates to crush corn stalks, the fan blade 2 can drive the gas flow inside the crushing box body 1, so that The corn straw added to the interior of the crushing box body 1 can contact the crushing roller 11 and the blade 14 more quickly, increasing the crushing speed of the corn stalk by the crushing roller 11 and the blade 14; at the same time, the falling speed of the corn stalk residue on the top of the filter screen 15 is increased. Slide speed.

A support rod 3 is fixedly connected to the bottom of the fan blade 2; a first magnet 31 is fixed to the bottom of the support rod 3; an elastic band 32 is fixed to the bottom of the filter screen 15; and a third elastic band 32 is fixed to the middle of the elastic band 32. Two magnets 33; by providing the second magnet 33 at the bottom of the filter screen 15, when the fan blade 2 rotates, the first magnet 31 and the second magnet 33 are intermittently close to and away from each other. At this time, the second magnet 33 will be in the The bottom of the filter screen 15 swings, and this swing can increase the falling speed of the corn straw residue inside the filter screen 15 and reduce the problem of the filter screen 15 being blocked.

A bracket 4 is provided between the support rod 3 and the blade 14; one end of the bracket 4 is fixedly connected to the middle of the support rod 3, and the other end is fixed to the bottom of the blade 14; by adding a bracket between the support rod 3 and the blade 14 4. When the blade 14 and the fan blade 2 rotate, the stability of the support rod 3 at the bottom of the fan blade 2 can be improved.

A scraper 5 is fixedly connected to the side wall of the blade 14; a plurality of bristles 51 are connected in the middle of the scraper 5; the bristles 51 are in contact with the inner wall of the drainage tube 12; by adding bristles 51 to the side wall of the blade 14, the bristles 51 are connected to the drainage tube 12. The cylinder 12 is in contact, and when the blade 14 rotates, the bristles 51 clean the inner wall of the drainage cylinder 12 to reduce the residual corn stalk residue on the inner wall of the drainage cylinder 12.

There is an ejector pin 6 fixed in the middle of the extrusion plate 17; there are multiple ejector pins 6 on the extrusion plate 17; by providing multiple ejector pins 6 on the extrusion plate 17, the corn can be pressed on the extrusion plate 17. During the extrusion and collection process of straw, the positioning effect of the extrusion plate 17 on the corn straw compression block is improved.

Embodiment 2

As shown in Figure 5, in Comparative Embodiment 1, another implementation mode of the present utility model is: a plurality of nail thorns 7 are fixed in the middle of the thimble 6; by providing the nail thorns 7 in the middle of the thimble 6, the lift can be The positioning effect of ejector pin 6 on the corn straw compression block.

When working, first put the corn stalks into the top of the crushing box body 1, and at the same time, the crushing roller 11 is rotated inside the crushing box body 1 to squeeze and crush the corn stalks added to the inside of the crushing box body 1. After the corn stalks pass through After the crushing roller 11 is broken, it can fall into the inside of the drainage tube 12, and then be crushed twice by the rotation of the blade 14, so that the corn stalks are broken more thoroughly. The crushed corn stalks can be dropped to the filter after being crushed by the blade 14. On the net 15, the crushed corn stalks with apertures smaller than the filter screen 15 can fall from the filter screen 15 to the inner wall of the bottom of the crushing box body 1. The crushed corn stalks with apertures larger than the filter screen 15 can fall from the filter screen 15. Slide to the inside of the collection box 18, and then the operator will add the corn straw inside the collection box 18 from the top of the crushing box body 1 to the inside of the crushing box body 1 for multiple crushing; at the same time, there is an electric cylinder 16 at the bottom of the crushing box body 1 and a squeezing plate 17, which can squeeze and collect the corn stalk residue that falls to the bottom of the crushing box body 1; by adding a fan blade 2 at the bottom of the blade 14, the fan blade can be rotated to crush the corn stalk when the blade 14 rotates. 2 can drive the gas flow inside the crushing box body 1. By providing a second magnet 33 at the bottom of the filter screen 15, when the fan blade 2 rotates, the first magnet 31 and the second magnet 33 can intermittently approach and move away. Then the second magnet 33 will swing at the bottom of the filter screen 15.

The above-mentioned front, back, left, right, up and down are all based on Figure 1 in the accompanying drawings of the manual, and based on the person's observation perspective. The side of the device facing the observer is defined as the front, and the left side of the observer is defined as the left. And so on.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "horizontal", "front", "rear", "left", "right", "vertical", "horizontal" The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description, rather than indicating or It is implied that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.

The basic principles, main features and advantages of the present utility model are shown and described above. Those skilled in the industry should understand that the present utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model can be There will also be various changes and improvements in the new model, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A corn straw crushing equipment for biomass fuel, characterized in that: it includes a crushing box body (1); a pair of crushing rollers (11) are rotatably connected inside the crushing box body (1); the crushing box body (1) A drainage tube (12) is fixedly connected to the inner wall; a motor (13) is installed on the inner wall of the drainage tube (12); a blade (14) is fixedly connected to the output end of the motor (13); the crushing box A filter screen (15) is fixedly connected to the inner wall of the body (1); the filter screen (15) is located at the bottom of the blade (14); the filter screen (15) is tilted inside the crushing box body (1); An electric cylinder (16) is installed at the bottom of the crushing box body (1); an extrusion plate (17) is fixedly connected to the output end of the electric cylinder (16); a collection box (17) is fixedly connected to the side wall of the crushing box body (1) 18); The collection box (18) is internally connected to the crushing box body (1). 2. A corn straw crushing equipment for biomass fuel according to claim 1, characterized in that: a fan blade (2) is fixed at the bottom of the blade (14). 3. A corn straw crushing equipment for biomass fuel according to claim 2, characterized in that: a support rod (3) is fixed at the bottom of the fan blade (2); A first magnet (31) is fixedly connected; an elastic band (32) is fixed at the bottom of the filter (15); and a second magnet (33) is fixed in the middle of the elastic band (32). 4. A corn straw crushing equipment for biomass fuel according to claim 3, characterized in that: a bracket (4) is provided between the support rod (3) and the blade (14); the bracket (4) 4) One end is fixedly connected to the middle part of the support rod (3), and the other end is fixedly connected to the bottom of the blade (14). 5. A corn straw crushing equipment for biomass fuel according to claim 4, characterized in that: a scraper (5) is fixed on the side wall of the blade (14); the middle part of the scraper (5) A plurality of bristles (51) are connected; the bristles (51) are in contact with the inner wall of the drainage tube (12). 6. A corn straw crushing equipment for biomass fuel according to claim 5, characterized in that: an ejector pin (6) is fixed in the middle of the extrusion plate (17); There are multiple pressure plates (17).