CN203181634U - Straw crusher - Google Patents

Abstract

The utility model provides a straw crusher, which belongs to the technical field of agricultural machinery. It solves the problems of complex structure and low crushing efficiency in the existing straw crusher. The straw crusher includes a barrel with a cavity inside, the side of the barrel is provided with a feed port connected to the internal cavity, and the lower part of the barrel is provided with a discharge port connected with the internal cavity. A fixed knife holder is fixed on the inner wall of the cylinder, and the fixed knife holder is located below the feeding port. There is also a movable knife cylinder in the machine barrel, and a fixed blade is fixed on the fixed knife holder. The fixed blade is tangent to the moving blade, and the moving knife cylinder is also connected with a rotating mechanism that can drive it to rotate. The utility model has the advantages of simple structure, low production cost and high crushing efficiency.

Description

a straw shredder

technical field

The utility model belongs to the technical field of agricultural machinery and relates to a crusher, in particular to a straw crusher.

Background technique

With the development of the economy, biogas has been fully utilized in various industries as a clean energy. Biogas is usually produced by fermenting straw and other organisms through microorganisms in an anaerobic environment. In general, in order to improve the gas production efficiency of straw, it is usually necessary to crush the straw.

At present, people mostly use straw crushers to crush straws. After searching, for example, Chinese patent literature discloses a straw crusher [Patent No.: ZL201120121831.6; Authorized Notice No.: CN202095311U]. This kind of straw crusher includes a frame, a power device and a crushing device. The power device includes a motor and a pulley. It includes a rotating shaft and a quantitative feeding and discharging roller installed on the rotating shaft. The crushing device includes a connecting shaft and a disc knife and a wire saw blade installed on the connecting shaft. The rotating shaft and the connecting shaft are fixed on the front of the frame parallel to the horizontal plane. And the back, the rotating shaft and the connecting shaft are respectively connected with a set of pulleys and a motor, the crushing device and the quantitative feeding and discharging device are installed in the frame parallel to the axis and symmetrically, and a discharge port is arranged under the frame.

However, this straw crusher has a series of problems such as complex structure and high cost. Therefore, for those skilled in the art, a new straw crusher needs to be developed to solve the deficiencies in the prior art.

Contents of the invention

The purpose of the utility model is to solve the above-mentioned problems in the existing technology, and propose a straw crusher. The straw crusher has the characteristics of being able to cut straw and other organisms into pieces and has high crushing efficiency.

The purpose of the utility model can be achieved through the following technical proposals: a straw crusher, comprising a barrel with a cavity inside, and a feed port communicating with the inner cavity is opened on the side of the barrel, the The lower part of the machine barrel is provided with a discharge port that communicates with the internal cavity, and it is characterized in that a fixed knife rest is fixed on the inner wall of the barrel, and the fixed knife rest is located below the feed inlet, A movable knife cylinder capable of rotation is also provided in the barrel, fixed blades are fixed on the fixed knife holder, and a plurality of movable blades that can be tangent to the fixed blades are detachably fixed on the movable knife cylinder, The movable knife barrel is also connected with a rotating mechanism that can drive it to rotate; the rotating mechanism includes a motor, a coupling and a rotating shaft, the motor is fixed on the outer wall of the machine barrel, and the output shaft of the motor is in the In the machine barrel, the rotating shaft passes through the movable knife barrel and is fixedly connected with it. One end of the rotating shaft is fixed on the machine barrel through a bearing, and the other end of the rotating shaft is connected with the output shaft of the motor through a coupling.

The working principle of this straw crusher is as follows. The motor drives the rotating shaft to rotate, so that the moving knife barrel in the barrel rotates, and the moving blade on the moving knife barrel will rotate together with the moving knife barrel, and the straw and other biological Put it into the feed port of the machine barrel, when the straw is transported to the fixed blade, due to the engagement of the rotating movable blade and the fixed fixed blade, the straw is cut off and falls from the discharge port of the machine barrel, which realizes the crushing of the straw .

In the above-mentioned straw crusher, the motor is fixed on the outer wall of the barrel by bolts one.

In the above-mentioned straw crusher, the movable blade is uniformly fixed on the outer surface of the movable cutter cylinder by screws.

In the above-mentioned straw breaker, the fixed blade is fixed on the fixed blade holder by the screw 2, and the fixed blade holder is fixed on the inner wall of the barrel by the bolt 2.

In the above-mentioned straw crusher, a fixed bracket is fixed on the bottom of the barrel, and a material storage box is detachably fixed on the fixed bracket. The storage box can store the crushed straw output from the discharge port.

Compared with the prior art, this straw crusher has the following advantages:

1. The utility model drives the rotating shaft and the movable knife cylinder to rotate through the motor, so that the movable blade and the fixed blade are engaged to cut off the straw. The structure is simple, the production cost is low, and the crushing efficiency is high.

2. The fixed blade in the utility model is fixed on the fixed knife frame by screw 1, and the movable blade is fixed on the movable knife cylinder by screw 2. When the fixed blade or the movable blade is worn, only the fixed blade Or the movable blade can be replaced by detaching it from the top, and the maintenance is convenient and simple.

3. The utility model stores the crushed straw through the storage box arranged at the bottom of the machine barrel, which is convenient for straw collection, and the storage box is easy to install and disassemble.

Description of drawings

Fig. 1 is the front view structural representation of the utility model;

Fig. 2 is a side view structural diagram of the utility model.

In the figure, 1. Machine barrel; 2. Feed inlet; 3. Discharge port; 4. Fixed knife holder; 5. Fixed blade; 6. Moving knife cylinder; 7. Moving blade; 8. Motor; 9. Coupling device; 10, rotating shaft; 11, fixed bracket; 12, storage box.

Detailed ways

The following are specific embodiments of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model is not limited to these embodiments.

As shown in Figure 1, a kind of stalk breaker comprises the cylinder 1 that has cavity inside, and the side of cylinder 1 is provided with the feed inlet 2 that communicates with internal cavity, and the bottom of cylinder 1 is provided with The discharge port 3 that the internal cavity is connected with. The inner wall of machine barrel 1 is fixed with fixed knife rest 4 by bolt 2, fixed knife rest 4 is fixed with fixed blade 5 by screw 2, and fixed knife rest 4 is below the feed port 2; Rotating moving knife barrel 6, the outer surface of moving knife barrel 6 is fixed with eight movable blades 7 that can be tangent to fixed blade 5 by screw one, and moving knife barrel 6 is also linked to each other with a rotating mechanism that can drive it to rotate.

As shown in Figure 2, the rotating mechanism includes a motor 8, a shaft coupling 9 and a rotating shaft 10, the motor 8 is fixed on the outer wall of the machine barrel 1 by a bolt one, the output shaft of the motor 8 is in the machine barrel 1, and the rotating shaft 10 passes through the moving shaft Knife cylinder 6 is also fixedly connected with it, and one end of rotating shaft 10 is fixed on machine barrel 1 by bearing, and the outer ring of bearing is welded on the inwall of machine barrel 1, and the inner ring of bearing is fixedly connected with one end of rotating shaft 10, and rotating shaft 10 The other end of the shaft coupling 9 is connected with the output shaft of the motor 8 .

Specifically, a fixed bracket 11 is also fixed on the bottom of the machine barrel 1, and the fixed bracket 11 includes four supporting legs. Fixing hole one. The material storage box 12 is rectangular, and the four vertical edges of the material storage box 12 respectively have protrusions 2 protruding therefrom, and the protrusions 2 are respectively provided with fixing holes 2 . When material storage box 12 is put on the support leg of fixed bracket 11, protruding part one can match with protruding part two, just can protruding part one and protruding part two be positioned by latch, this just The material storage box 12 can be detachably fixed on the fixing bracket 11. At the same time, the fixed bracket 11 can support the entire machine barrel 1, and the material storage box 12 fixed on the fixed bracket 11 can store the crushed straw output by the discharge port 3.

The working principle of this straw crusher is as follows: the motor 8 drives the rotating shaft 10 to rotate, so that the movable knife cylinder 6 in the barrel 1 rotates, and the movable blade 7 on the movable knife cylinder 6 will rotate together with the movable knife cylinder 6 When the straw and other organisms are put into the feed port 2 of the machine barrel 1, when the straw is transported to the fixed blade 5, the rotating movable blade 7 and the fixed fixed blade 5 are engaged to cut the straw, and the straw is cut off from the machine barrel 1. Falls in the discharge port 3 of the stalk, enters in the material storage box 12, and this has just realized the crushing of straw.

The specific embodiments described herein are only examples to illustrate the spirit of the present invention. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the utility model or go beyond the appended claims defined range.

Although this article uses a lot of 1. Machine barrel; 2. Inlet port; 3. Outlet port; 4. Fixed knife holder; 5. Fixed blade; 6. Moving knife cylinder; 7. Moving blade; 8. Motor; 9. Coupling; 10. Rotating shaft; 11. Fixed bracket; 12. Storage box and other terms, but the possibility of using other terms is not excluded. These terms are only used to describe and explain the essence of the utility model more conveniently; interpreting them as any kind of additional limitation is contrary to the spirit of the utility model.

Claims (5)

1. A straw crusher, comprising a barrel (1) with a cavity inside, and a feed port (2) communicating with the inner cavity is opened on the side of the barrel (1), the barrel The lower part of (1) is provided with a discharge port (3) that communicates with the inner cavity, and it is characterized in that a fixed knife holder (4) is fixed on the inner wall of the barrel (1), and the fixed knife The frame (4) is located below the feed port (2), the barrel (1) is also provided with a rotatable movable knife barrel (6), and the fixed knife rest (4) is fixed with The fixed blade (5), the movable knife cylinder (6) is detachably fixed with a number of movable blades (7) that can be tangent to the fixed blade (5), and the movable knife cylinder (6) is also connected with a The rotating mechanism is connected; the rotating mechanism includes a motor (8), a coupling (9) and a rotating shaft (10), the motor (8) is fixed on the outer wall of the barrel (1), and the The output shaft of the motor (8) is inside the machine barrel (1), and the rotating shaft (10) passes through the movable knife barrel (6) and is fixedly connected with it, and one end of the rotating shaft (10) is fixed on the machine barrel through a bearing (1), the other end of the rotating shaft (10) is connected with the output shaft of the motor (8) through a coupling (9). 2. The straw crusher according to claim 1, characterized in that, the motor (8) is fixed on the outer wall of the barrel (1) by bolts one. 3. The straw crusher according to claim 1, characterized in that, the movable blade (7) is evenly fixed on the outer surface of the movable cutter cylinder (6) by screws one. 4. The straw crusher according to claim 1, characterized in that, the fixed blade (5) is fixed on the fixed blade holder (4) by screw 2, and the fixed blade holder (4) is fixed by bolt 2 fixed on the inner wall of the barrel (1). 5. The straw crusher according to any one of claims 1-4, characterized in that, a fixed bracket (11) is fixed on the bottom of the barrel (1), and the fixed bracket (11) is A material storage box (12) is detachably fixed.

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