Straw pulverizer

Abstract

The utility model provides a straw pulverizer which comprises a machine frame, the machine frame is of a frame structure, a pair of pulverizing rollers are arranged on the machine frame in a rotating mode, an adjusting mechanism for adjusting the distance between the pulverizing rollers on the upper portion and the pulverizing rollers on the lower portion is arranged on the pulverizing rollers on the upper portion, and the adjusting mechanism comprises fixing plates arranged on the front side and the rear side of the machine frame. A sliding groove is formed in the upper portion of each fixing plate, a sliding plate is arranged in each sliding groove in a sliding mode, a sliding block is arranged on the inner side of each sliding plate, a threaded rod is connected to each sliding block in a threaded mode, and a first motor is arranged on the outer side of each threaded rod; according to the utility model, the distance between the two crushing rollers can be quickly and conveniently adjusted through the adjusting mechanism, materials with different thicknesses and different crushing degrees can be conveniently cut, multiple non-cutting operations can be realized by one crusher, the production cost is greatly saved, and the cutting efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crushing equipment, in particular to a straw crusher. Background Art

[0002] When a traditional straw crusher is in use, the spacing between a pair of crushing rollers is usually fixed, and it cannot be adjusted according to the thickness or degree of crushing of the material to be cut, resulting in the need to cut the cut material repeatedly. It is often necessary to purchase crushers with different crushing roller spacings to perform multiple cutting operations on the material, which is inefficient and causes unnecessary occupation of production costs. Utility Model Content

[0003] In view of this, the utility model provides a straw crusher, which can realize quick and convenient adjustment of the distance between the two crushing rollers through an adjustment mechanism, so as to facilitate the cutting operation of materials of different thicknesses and different crushing degrees. One crusher can realize multiple non-cutting operations, which greatly saves production costs and improves cutting efficiency.

[0004] In order to solve the above technical problems, the utility model provides a straw crusher, including a frame, the frame is a frame structure, a pair of crushing rollers are rotatably arranged on the frame, the upper crushing roller is provided with an adjustment mechanism for adjusting the distance between it and the lower crushing roller, the adjustment mechanism includes fixed plates arranged on the front and rear sides of the frame, a slide groove is provided on the upper part of each fixed plate, a slide plate is slidably arranged in each slide groove, the rotating shaft of the upper crushing roller is rotatably arranged on the slide plate through a bearing, the rotating shaft of the lower crushing roller is rotatably arranged on the lower part of the fixed plate through a bearing, a slide block is provided on the inner side of each slide block, and a screw rod is threadedly connected to each slide block A first motor is arranged on the outside of each screw, and the rotation of the output shaft of the first motor can drive the screw to rotate. In addition, the rotation of the slider and the screw, the fixing effect of the slider and the slide plate, and the limiting and guiding effect of the slide plate on the slide plate by the slide groove, the rotation of the screw can drive the slider to carry the slide plate and the slide plate. The utility model can realize the quick and convenient adjustment of the distance between the two crushing rollers through the adjustment mechanism, which is convenient for cutting materials of different thicknesses and different crushing degrees, and can realize multiple non-cutting operations with one crusher, which greatly saves production costs and improves cutting efficiency.

[0005] A connecting plate is provided on the upper part of the two screws, and a through hole larger than the external thread of the screw is opened on the connecting plate. The connecting plate is arranged on the upper part of the two fixed plates. The connecting plate is used to enhance the stability and rigidity of the connection between the two fixed plates, thereby ensuring the stable performance of the adjustment mechanism when working.

[0006] A second motor is provided at the lower part of the frame, a driving sprocket is provided at the end of the output shaft of the second motor, a driven sprocket is provided at the outer side of the rotating shaft of the lower crushing roller, a chain is provided for transmission between the driving sprocket and the driven sprocket, an auxiliary sprocket is provided at the outer side of the rotating shaft of the upper crushing roller, a transmission chain is provided between the auxiliary sprocket and the driven sprocket. The utility model can drive the driving sprocket to rotate together through the rotation of the output shaft of the second motor, the rotation of the driving sprocket can transmit the rotation to the driven sprocket through the chain, and then drive the driven sprocket to rotate with the upper crushing roller, and the rotation of the upper crushing roller drives the lower crushing roller to rotate through the auxiliary sprocket, thereby realizing the crushing operation of the materials between the two crushing rollers, which is more efficient and convenient.

[0007] A spring is arranged at the lower part of the fixed plate, and a connecting column is arranged at the lower part of the spring. An arc-shaped baffle is arranged at the lower part of the connecting column. Through the action of the spring and the connecting column, the arc-shaped baffle can jump within a certain range, so as to buffer the impact force of the material crushed by the crushing roller on the fixed arc-shaped baffle, which helps to reduce noise and play a certain shock-absorbing role.

[0008] A material guide cover is arranged on the frame, a discharge door is hingedly arranged at the lower part of the material guide cover, and a hanging rod for positioning the discharge door is arranged on the material guide cover. The utility model can fix the opened discharge door by the hanging rod, so as to realize the rapid outflow and collection of the crushed material, and the operation is more convenient.

[0009] A feeding plate is arranged on the frame and outside the crushing roller, and the feeding plate is arranged obliquely downward at the ends of the two fixed plates. The utility model can realize the rapid automatic feeding operation of materials through the obliquely downwardly arranged baffle plate, which is more convenient and labor-saving.

[0010] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0011] 1. The utility model can realize the quick and convenient adjustment of the distance between the two crushing rollers through the adjustment mechanism, which is convenient for cutting materials of different thicknesses and different crushing degrees. One crusher can realize multiple non-cutting operations, which greatly saves production costs and improves cutting efficiency.

[0012] 2. The utility model can drive the driving sprocket to rotate together through the rotation of the output shaft of the second motor. The rotation of the driving sprocket can transmit the rotation to the driven sprocket through the chain, thereby driving the driven sprocket to rotate with the upper crushing roller. The rotation of the upper crushing roller drives the lower crushing roller to rotate through the auxiliary sprocket, thereby realizing the crushing operation of the material between the two crushing rollers, which is more efficient and convenient.

[0013] 3. Through the action of the spring and the connecting column, the arc baffle can jump within a certain range, which is convenient for buffering the impact force of the material crushed by the crushing roller on the fixed arc baffle, helping to reduce noise and play a certain shock-absorbing role.

[0014] 4. The utility model can fix the opened discharge door by a hanging rod, so that the crushed materials can be quickly discharged and collected, and the operation is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the straw crusher of the utility model;

[0016] Figure 2 This is an enlarged view of point A of the utility model straw crusher;

[0017] Figure 3 It is an isometric view of the straw crusher of the utility model.

[0018] Explanation of the reference numerals: 100, frame; 200, crushing roller; 300, adjustment mechanism; 301, fixing plate; 302, slide groove; 303, slide plate; 304, slider; 305, screw rod; 306, first motor; 400, connecting plate; 500, second motor; 600, spring; 700, connecting column; 800, arc baffle; 900, hanging rod. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-3 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0020] like Figure 1-3As shown: This embodiment provides a straw crusher, including a frame 100, the frame 100 is a frame structure, a pair of crushing rollers 200 are rotatably arranged on the frame 100, the upper crushing roller 200 is provided with an adjusting mechanism 300 for adjusting the distance between it and the lower crushing roller 200, the adjusting mechanism 300 includes fixed plates 301 arranged on the front and rear sides of the frame 100, each fixed plate 301 is provided with a slide groove 302 on the upper part, each slide groove 302 is slidably provided with a slide plate 303, the rotating shaft of the upper crushing roller 200 is rotatably arranged on the slide plate 303 through a bearing, the rotating shaft of the lower crushing roller 200 is rotatably arranged at the lower part of the fixed plate 301 through a bearing, a slider 304 is arranged on the inner side of each slider 303, each slider 304 is threadedly connected with a screw 305, and the outer side of each screw 305 is A first motor 306 is provided, and the rotation of the output shaft of the first motor 306 can drive the screw 305 to rotate. In addition, the threaded connection between the slider 304 and the screw 305, the fixing of the slider 304 and the slide 303, and the limiting and guiding effect of the slide 302 on the slide 303, the rotation of the screw 305 can drive the slider 304 to move with the slide 303 and the upper crushing roller 200 on the slide 303 along the slide 302 to a suitable distance from the lower crushing roller 200. The utility model can realize the quick and convenient adjustment of the distance between the two crushing rollers 200 through the adjustment mechanism 300, which is convenient for realizing the cutting operation of materials of different thicknesses and different crushing degrees, and can realize that one crusher can realize multiple non-cutting operations, which greatly saves production costs and improves cutting efficiency.

[0021] According to one embodiment of the utility model, Figure 1-3 As shown, a connecting plate 400 is provided on the upper part of the two screw rods 305, and a through hole with an external thread larger than the screw rod 305 is opened on the connecting plate 400. The connecting plate 400 is arranged on the upper part of the two fixed plates 301. The connecting plate 400 facilitates enhancing the stability and rigidity of the connection between the two fixed plates 301, thereby ensuring the stable performance of the adjustment mechanism 300 when working.

[0022] According to another embodiment of the present invention, Figure 1 and Figure 2As shown, a second motor 500 is provided at the lower part of the frame 100, and a driving sprocket is provided at the end of the output shaft of the second motor 500, a driven sprocket is provided on the outer side of the rotating shaft of the lower crushing roller 200, a chain is provided for transmission between the driving sprocket and the driven sprocket, an auxiliary sprocket is provided on the outer side of the rotating shaft of the upper crushing roller 200, and a transmission chain is provided between the auxiliary sprocket and the driven sprocket. The utility model can drive the driving sprocket to rotate together through the rotation of the output shaft of the second motor 500, and the rotation of the driving sprocket can transmit the rotation to the driven sprocket through the chain, thereby driving the driven sprocket to rotate with the upper crushing roller 200, and the rotation of the upper crushing roller 200 drives the lower crushing roller 200 to rotate through the auxiliary sprocket, thereby realizing the crushing operation of the material between the two crushing rollers 200, which is more efficient and convenient.

[0023] A spring 600 is arranged at the lower part of the fixed plate 301, and a connecting column 700 is arranged at the lower part of the spring 600. An arc-shaped baffle 800 is arranged at the lower part of the connecting column 700. Through the action of the spring 600 and the connecting column 700, the arc-shaped baffle 800 can jump within a certain range, so as to buffer the impact force of the material crushed by the crushing roller 200 on the fixed arc-shaped baffle 800, which helps to reduce noise and play a certain shock-absorbing role.

[0024] A material guide cover is provided on the frame 100, and a discharge door is hingedly provided at the lower part of the material guide cover. A hanging rod 900 for positioning the discharge door is provided on the material guide cover. The utility model can fix the opened discharge door by the hanging rod 900, so as to realize the rapid outflow and collection of the crushed material, and the operation is more convenient.

[0025] According to another embodiment of the present invention, Figure 1 and Figure 3 As shown, a feed plate is arranged on the frame 100 and located on the outside of the crushing roller 200. The feed plate is arranged obliquely downward at the ends of the two fixed plates 301. The utility model can realize the rapid automatic feeding operation of materials through the obliquely downwardly arranged baffle plate, which is more convenient and labor-saving.

[0026] The use of the utility model:

[0027] First of all, it should be made clear that the crusher involved in the utility model is mainly used for crushing various crops. The utility model takes the crushing of straw as an example to explain its method of use in detail. When the straw needs to be crushed, the distance between the two crushing rollers 200 is adjusted according to the size and crushing degree of the straw that needs to be crushed. The specific operation method is to start the output shaft of the first motor 306 to rotate, and the rotation of the output shaft of the first motor 306 can drive the screw 305 to rotate. In addition, the threaded connection between the slider 304 and the screw 305, the fixing effect of the slider 304 and the slide plate 303, and the limiting and guiding effect of the slide groove 302 on the slide plate 303, the rotation of the screw 305 can drive the slider 304 to carry the slide plate 303 and the upper crushing roller 200 on the slide plate 303 along the slide groove 302 to move to a suitable distance from the lower crushing roller 200, and then start the second motor The output shaft of 500 rotates, and then the straw to be crushed is put in through the feed plate, and the fast and automatic feeding operation of the material is realized by the baffle plate arranged obliquely downward, and the rotation of the output shaft of the second motor 500 drives the active sprocket to rotate together, and the rotation of the active sprocket can transmit the rotation to the driven sprocket through the chain, thereby driving the driven sprocket to rotate with the upper crushing roller 200, and the rotation of the upper crushing roller 200 drives the lower crushing roller 200 to rotate through the auxiliary sprocket, thereby realizing the crushing operation of the straw between the two crushing rollers 200. The utility model can realize the quick and convenient adjustment of the distance between the two crushing rollers 200 through the adjustment mechanism 300, which is convenient for realizing the cutting operation of materials of different thicknesses and different crushing degrees, and can realize that one crusher can realize multiple non-cutting operations, which greatly saves production costs and improves cutting efficiency.

[0028] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0029] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A straw crusher, comprising a frame (100), characterized in that: The frame (100) is a frame structure. A pair of crushing rollers (200) are rotatably arranged on the frame (100). The upper crushing roller (200) is provided with an adjustment mechanism (300) for adjusting the distance between the upper crushing roller (200) and the lower crushing roller (200). The adjustment mechanism (300) comprises fixed plates (301) arranged at the front and rear sides of the frame (100). The rotating shaft of the upper crushing roller (200) is rotatably arranged on a slide plate (303) via a bearing. The rotating shaft (200) is rotatably arranged at the lower part of the fixed plate (301) through a bearing, and a slide groove (302) is opened at the upper part of each fixed plate (301), and a slide plate (303) is slidably arranged in each slide groove (302), and a slider (304) is arranged on the inner side of each slider (303), and a screw rod (305) is threadedly connected to each slider (304), and a first motor (306) is arranged on the outer side of each screw rod (305).

2. The straw crusher according to claim 1, characterized in that: A connecting plate (400) is arranged on the upper part of the two screw rods (305), and a through hole larger than the external thread of the screw rod (305) is opened on the connecting plate (400). The connecting plate (400) is arranged on the upper part of the two fixing plates (301).

3. The straw crusher according to claim 2, characterized in that: A second motor (500) is arranged at the lower part of the frame (100), a driving sprocket is arranged at the end of the output shaft of the second motor (500), a driven sprocket is arranged on the outer side of the rotating shaft of the lower crushing roller (200), a chain is arranged between the driving sprocket and the driven sprocket for transmission, and an auxiliary sprocket is arranged on the outer side of the rotating shaft of the upper crushing roller (200), a transmission chain is arranged between the auxiliary sprocket and the driven sprocket.

4. The straw crusher according to claim 3, characterized in that: A spring (600) is disposed at the lower portion of the fixing plate (301), a connecting column (700) is disposed at the lower portion of the spring (600), and an arc-shaped baffle (800) is disposed at the lower portion of the connecting column (700).

5. The straw crusher according to claim 4, characterized in that: The frame (100) is provided with a material guide cover, a material discharge door is hingedly provided at the lower part of the material guide cover, and a hanging rod (900) for positioning the material discharge door is provided on the material guide cover.

6. The straw crusher according to claim 5, characterized in that: A feed plate is arranged on the frame (100) and located outside the crushing roller (200), and the feed plate is arranged at an angle downward at the ends of the two fixing plates (301).

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