Crushing device convenient to clean and used for straw returning to field

Abstract

The utility model relates to the technical field of crushing and cleaning, and discloses a convenient-to-clean crushing device for straw returning to field, which comprises a box body, the top of the box body is fixedly connected with a feeding cylinder, the bottom of the box body is fixedly connected with a discharging cylinder, the inner wall of the box body is fixedly connected with a crushing part, and the inner wall of the box body is provided with a first cleaning mechanism. And a second cleaning mechanism is arranged on the back surface of the box body. Through a first cleaning mechanism, a brush block can be in better contact with the surface of a crushing roller in a crushing part through the elastic force of a second spring, so that residual straw on the surface of the crushing roller is better cleaned, then the crushing roller is rotated, the brush block is made to clean the residual straw on the surface of the crushing roller, and through a second cleaning mechanism, the crushing roller is cleaned by the brush block. And the moving block moves up and down along with rotation of the screw rod, so that the rectangular scraping ring moves up and down in the box body, and the rectangular scraping ring cleans the residual straw on the inner wall of the box body.

Description

Technical Field

[0001] The utility model relates to the technical field of crushing and cleaning, in particular to a crushing device for returning straw to the field which is convenient for cleaning. Background Art

[0002] The output of straw in rural areas is very large. In order to fully recycle and utilize resources and protect the environment, crop straw is usually crushed and screened and processed into feed or fertilizer for crops to achieve the purpose of maximizing resource recycling and minimizing pollution. However, there are currently the following difficulties in the crushing process of crop straw: traditional crop straw is unevenly crushed, which affects the subsequent use of crop straw; second, when screening after crushing, it is necessary to manually transport the crushed crops to the screen, and then shake the screen to screen the crop straw.

[0003] According to patent CN 217363883 U, a straw crushing device for returning straw to the field includes a frame, a crushing box, a crushing mechanism, a screening mechanism and a material receiving mechanism. The crushing box is arranged on the frame, and the crushing mechanism is installed on the crushing box. A feeding port is arranged at the top of the crushing box, a discharging port is arranged at the bottom of the crushing box, a screening mechanism is arranged below the discharging port, and the material receiving mechanism is arranged below the screening mechanism.

[0004] This patent shakes and screens the crushed straw through a screening mechanism, and small particles are sent out through a receiving mechanism. Large particles of straw are taken out from the screening mechanism and sent back into a crushing box for secondary crushing, so that the crushing is more complete and thorough, and the crushing efficiency is guaranteed as much as possible. However, after the device crushes the straw, there will be residual straw on the inner wall and the surface of the crushing roller. If it is not handled, it will affect the efficiency of the straw crushing. Utility Model Content

[0005] The utility model aims to provide a crushing device for returning straw to the field which is easy to clean, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crushing device for returning straw to the field that is easy to clean, comprising a box body, a feed cylinder is fixedly connected to the top of the box body, a discharge cylinder is fixedly connected to the bottom of the box body, a crushing component is fixedly connected to the inner wall of the box body, a first cleaning mechanism is arranged on the inner wall of the box body, and a second cleaning mechanism is arranged on the back of the box body;

[0007] The first cleaning mechanism comprises a rotating assembly and a cleaning assembly. The rotating assembly is arranged on the front side of the box body, and the cleaning assembly is arranged inside the rotating assembly.

[0008] Preferably, the rotating assembly includes a connecting rod, which is rotatably connected to the left and right sides of the front side of the box body, the front end of the connecting rod is fixedly connected to a crank, the surface of the connecting rod is symmetrically fixedly connected to a cam, the inner wall of the box body is symmetrically opened on the left and right sides, a connecting plate is slidably connected in the first sliding groove, the connecting plate is fixedly connected to a rectangular connecting frame on the side away from the first sliding groove, and a first spring is fixedly connected to the bottom of the sliding groove.

[0009] Preferably, the rear end of the connecting rod extends into the interior of the box, and is rotatably connected to the back of the inner wall of the box, the top end of the first spring is fixedly connected to the bottom of the connecting plate, and the cam corresponds to the connecting plate.

[0010] Preferably, the cleaning assembly includes a connecting block, which is slidably connected to the bottom of the rectangular connecting frame, the top of the connecting block is fixedly connected to a limiting block, the top of the limiting block is fixedly connected to a second spring, and the bottom of the connecting block is fixedly connected to a brush block.

[0011] Preferably, the bottom of the connecting block extends to below the rectangular connecting frame, the top of the second spring is fixedly connected to the top of the rectangular connecting frame, and the limit block can prevent the connecting block from sliding downward when the rectangular connecting frame rises.

[0012] Preferably, the second cleaning mechanism includes an L-plate, the L-plate is fixedly connected to the upper left of the top of the box body, the bottom of the L-plate is fixedly connected to a motor, the output end of the motor is fixedly connected to a screw, the surface of the screw is threadedly connected to a moving block, the bottom end of the screw is rotatably connected to a fixed block, the front of the moving block is fixedly connected to a rectangular scraper ring, and a second slide groove is opened on the left side of the back side of the box body.

[0013] Preferably, the front side of the fixed block is fixedly connected to the back side of the box body, the rectangular scraper ring is located inside the box body and is tightly attached to the inner wall of the box body, and the movable block is slidably connected to the second slide groove. Since the movable block slides in the second slide groove, the movable block moves up and down with the rotation of the screw.

[0014] Compared with the prior art, the utility model provides a crushing device for returning straw to the field that is easy to clean, and has the following beneficial effects:

[0015] 1. The crushing device for returning straw to the field is easy to clean. Through the first cleaning mechanism, the crank is turned to rotate the connecting rod. The rotation of the connecting rod will cause the cam fixed on the surface of the connecting rod to rotate and contact the connecting plate, so that the connecting plate moves downward in the first slide groove, thereby causing the rectangular connecting frame to move downward, so that the brush block contacts the surface of the crushing roller in the crushing component. The brush block can better contact the surface of the crushing roller in the crushing component through the elastic force of the second spring, so as to better clean the straw remaining on the surface of the crushing roller, and then the crushing roller is rotated, so that the brush block cleans the straw remaining on the surface of the crushing roller.

[0016] 2. The crushing device for returning straw to the field is easy to clean. The motor is started through the second cleaning mechanism. The screw is rotated by the motor, thereby rotating the moving block. Since the moving block slides in the second slide groove, the moving block moves up and down with the rotation of the screw, and further moves the rectangular scraper ring up and down in the box body, so that the rectangular scraper ring cleans the straw remaining on the inner wall of the box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0018] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a planed schematic diagram of the right side of the structural box of the utility model;

[0020] Figure 3 This is a schematic diagram of the structural connecting rod and crank handle of the utility model;

[0021] Figure 4 This is a schematic diagram of the rotating assembly of the utility model structure;

[0022] Figure 5 This is a schematic diagram of the cleaning components of the utility model structure;

[0023] Figure 6 for Figure 5 The enlarged structural diagram at A in the middle;

[0024] Figure 7 It is a schematic diagram of the second cleaning mechanism of the utility model structure.

[0025] In the figure: 1. box body; 2. feed barrel; 3. discharge barrel; 4. crushing component; 5. first cleaning mechanism; 51. rotating assembly; 511. connecting rod; 512. crank; 513. cam; 514. first slide groove; 515. connecting plate; 516. rectangular connecting frame; 517. first spring; 52. cleaning assembly; 521. connecting block; 522. limiting block; 523. second spring; 524. brush block; 6. second cleaning mechanism; 61. L plate; 62. motor; 63. screw; 64. fixed plate; 65. moving block; 66. second slide groove; 67. rectangular scraper ring. DETAILED DESCRIPTION

[0026] 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.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The utility model provides the following technical solutions:

[0029] Embodiment 1

[0030] See also Figure 1-6 A crushing device for returning straw to the field and easy to clean, comprising a box body 1, a feeding cylinder 2 is fixedly connected to the top of the box body 1, a discharging cylinder 3 is fixedly connected to the bottom of the box body 1, a crushing component 4 is fixedly connected to the inner wall of the box body 1, a first cleaning mechanism 5 is arranged on the inner wall of the box body 1, and a second cleaning mechanism 6 is arranged on the back of the box body 1;

[0031] The first cleaning mechanism 5 includes a rotating assembly 51 and a cleaning assembly 52 . The rotating assembly 51 is disposed on the front side of the housing 1 , and the cleaning assembly 52 is disposed inside the rotating assembly 51 .

[0032] The rotating assembly 51 includes a connecting rod 511, which is rotatably connected to the left and right sides of the front face of the box body 1. A crank 512 is fixedly connected to the front end of the connecting rod 511. A cam 513 is fixedly connected to the surface of the connecting rod 511 symmetrically front and back. A first sliding groove 514 is symmetrically opened on the left and right sides of the inner wall of the box body 1. A connecting plate 515 is slidably connected in the first sliding groove 514. A rectangular connecting frame 516 is fixedly connected to the side of the connecting plate 515 away from the first sliding groove 514, and a first spring 517 is fixedly connected to the bottom of the sliding groove.

[0033] The rear end of the connecting rod 511 extends into the box body 1 and is rotatably connected to the back of the inner wall of the box body 1 . The top end of the first spring 517 is fixedly connected to the bottom of the connecting plate 515 . The cam 513 corresponds to the connecting plate 515 .

[0034] The cleaning assembly 52 includes a connecting block 521, which is slidably connected to the bottom of the rectangular connecting frame 516, the top of the connecting block 521 is fixedly connected to a limiting block 522, the top of the limiting block 522 is fixedly connected to a second spring 523, and the bottom of the connecting block 521 is fixedly connected to a cleaning brush block 524.

[0035] The bottom of the connecting block 521 extends to below the rectangular connecting frame 516, and the top of the second spring 523 is fixedly connected to the top of the rectangular connecting frame 516. The limiting block 522 can prevent the connecting block 521 from sliding downward when the rectangular connecting frame 516 rises.

[0036] Embodiment 2

[0037] See also Figure 7 , and on the basis of the first embodiment, a second cleaning mechanism 6 is further obtained.

[0038] The second cleaning mechanism 6 includes an L-plate 61, which is fixedly connected to the upper left of the top of the box body 1, and a motor 62 is fixedly connected to the bottom of the L-plate 61. A screw 63 is fixedly connected to the output end of the motor 62, and a moving block 65 is threadedly connected to the surface of the screw 63. A fixed plate 64 is rotatably connected to the bottom end of the screw 63, and a rectangular scraper ring 67 is fixedly connected to the front of the moving block 65. A second slide groove 66 is opened on the left side of the back side of the box body 1.

[0039] The front side of the fixed plate 64 is fixedly connected to the back side of the box body 1, the rectangular scraper ring 67 is located inside the box body 1 and is tightly attached to the inner wall of the box body 1, and the moving block 65 is slidably connected to the second slide groove 66. Since the moving block 65 slides in the second slide groove 66, the moving block 65 moves up and down with the rotation of the screw rod 63.

[0040] In actual operation, when the device is used, the crank 512 is turned to rotate the connecting rod 511. The rotation of the connecting rod 511 causes the cam 513 fixed on the surface of the connecting rod 511 to rotate and contact the connecting plate 515, so that the connecting plate 515 moves downward in the first slide groove 514, thereby causing the rectangular connecting frame 516 to move downward, so that the brush block 524 contacts the surface of the crushing roller in the crushing component 4. The brush block 524 can better contact the surface of the crushing roller in the crushing component 4 through the elastic force of the second spring 523, so as to better clean the straw remaining on the surface of the crushing roller, and then the crushing roller is rotated, so that the brush block 524 cleans the straw remaining on the surface of the crushing roller;

[0041] Start the motor 62, and the screw 63 is rotated by the operation of the motor 62, thereby rotating the moving block 65. Since the moving block 65 slides in the second slide groove 66, the moving block 65 moves up and down with the rotation of the screw 63, and further moves the rectangular scraper ring 67 up and down in the box body 1, so that the rectangular scraper ring 67 cleans the straw remaining on the inner wall of the box body 1.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A straw crushing device for returning straw to the field and being easy to clean, comprising a box (1), characterized in that: The top of the box body (1) is fixedly connected to a feed cylinder (2), the bottom of the box body (1) is fixedly connected to a discharge cylinder (3), the inner wall of the box body (1) is fixedly connected to a crushing component (4), the inner wall of the box body (1) is provided with a first cleaning mechanism (5), and the back of the box body (1) is provided with a second cleaning mechanism (6); The first cleaning mechanism (5) comprises a rotating assembly (51) and a cleaning assembly (52); the rotating assembly (51) is arranged on the front side of the box body (1), and the cleaning assembly (52) is arranged inside the rotating assembly (51).

2. A straw crushing device for easy cleaning for returning straw to the field according to claim 1, characterized in that: The rotating assembly (51) comprises a connecting rod (511), wherein the connecting rod (511) is rotatably connected to the left and right sides of the front face of the box body (1), a crank handle (512) is fixedly connected to the front end of the connecting rod (511), a cam (513) is fixedly connected to the surface of the connecting rod (511) symmetrically in the front and back, a first sliding groove (514) is symmetrically opened in the front and back of the left and right sides of the inner wall of the box body (1), a connecting plate (515) is slidably connected in the first sliding groove (514), a rectangular connecting frame (516) is fixedly connected to the side of the connecting plate (515) away from the first sliding groove (514), and a first spring (517) is fixedly connected to the bottom of the sliding groove.

3. A straw crushing device for returning straw to the field and being easy to clean according to claim 2, characterized in that: The rear end of the connecting rod (511) extends into the interior of the box body (1), and is rotatably connected to the back of the inner wall of the box body (1). The top end of the first spring (517) is fixedly connected to the bottom of the connecting plate (515), and the cam (513) corresponds to the connecting plate (515).

4. The straw crushing device for returning straw to the field and being easy to clean according to claim 1 is characterized in that: The cleaning assembly (52) comprises a connecting block (521), wherein the connecting block (521) is slidably connected to the bottom of the rectangular connecting frame (516), the top of the connecting block (521) is fixedly connected to a limiting block (522), the top of the limiting block (522) is fixedly connected to a second spring (523), and the bottom of the connecting block (521) is fixedly connected to a brush block (524).

5. The crushing device for returning straw to the field and being easy to clean according to claim 4 is characterized in that: The bottom of the connecting block (521) extends to below the rectangular connecting frame (516), and the top of the second spring (523) is fixedly connected to the top of the rectangular connecting frame (516).

6. The straw crushing device for returning straw to the field and being easy to clean according to claim 1 is characterized by: The second cleaning mechanism (6) comprises an L-plate (61), the L-plate (61) being fixedly connected to the upper left of the top of the box body (1), the bottom of the L-plate (61) being fixedly connected to a motor (62), the output end of the motor (62) being fixedly connected to a screw rod (63), the surface of the screw rod (63) being threadedly connected to a moving block (65), the bottom end of the screw rod (63) being rotatably connected to a fixed plate (64), the front of the moving block (65) being fixedly connected to a rectangular scraper ring (67), and a second slide groove (66) being provided on the left side of the back side of the box body (1).

7. A straw crushing device for returning straw to the field and being easy to clean according to claim 6, characterized in that: The front side of the fixed plate (64) is fixedly connected to the back side of the box body (1); the rectangular scraper ring (67) is located inside the box body (1) and is tightly attached to the inner wall of the box body (1); and the moving block (65) is slidably connected to the second sliding groove (66).

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