Scrap discharging block structure of straw smashing and returning machine

Abstract

The utility model relates to the technical field of agriculture, and discloses a blocking structure for discharging chippings of a straw smashing and returning machine, which comprises a smashing and returning machine body, descending mechanisms are arranged on the front side and the rear side of the smashing and returning machine body, and fixing mechanisms are arranged at the bottoms of the descending mechanisms. Through the fixing mechanism, a clamping plate is placed in a clamping groove, after the clamping plate is well placed, a screw rod is rotated by hand, moving blocks are rotated, the moving blocks are limited by limiting rods, the four sets of moving blocks move front and back, and therefore the fixing blocks move front and back, and when the moving blocks move backwards, the fixing blocks will be driven into the fixing groove to fix a baffle; according to the mechanism, the baffle can be conveniently disassembled and replaced, the baffle can move downwards through the elastic force of a spring through a descending mechanism, the baffle can be better attached to the ground, the baffle can move upwards when encountering hard soil blocks, the damage degree of the baffle is reduced, and the baffle prevents chippings produced by the smashing and returning machine body from flying away.

Description

Technical Field

[0001] The utility model relates to the technical field of agriculture, in particular to a blocking structure for discharging debris of a straw crushing and returning machine to the field. Background Art

[0002] Straw is the general term for the stems and leaves (ears) of mature crops. It usually refers to the remaining part of wheat, rice, corn, potatoes, rapeseed, cotton, sugarcane and other crops (usually coarse grains) after harvesting seeds. More than half of the products of crop photosynthesis are present in straw. Straw is rich in nitrogen, phosphorus, potassium, calcium, magnesium and organic matter, and is a multi-purpose renewable biological resource.

[0003] At present, the existing straw crushing and returning machines on the market can crush corn stalks, straw, peanut skins, bean stalks, firewood and other combustible crop waste stalks during operation. During the operation of the straw crushing and returning machine, a large amount of debris will be generated due to the crushing of the straw. If there is no effective structure to control the discharge of these debris, it may cause environmental pollution or equipment damage. Utility Model Content

[0004] The utility model aims to provide a blocking structure for debris discharge of a straw crushing and returning machine to the field, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a debris discharge blocking structure of a straw crushing and returning machine, comprising a crushing and returning machine body, wherein a descending mechanism is arranged at the front and rear sides of the crushing and returning machine body, and a fixing mechanism is arranged at the bottom of the descending mechanism;

[0006] The fixing mechanism comprises a clamping assembly and a rotating assembly. The clamping assembly is arranged at the bottom of the descending mechanism, and the rotating assembly is arranged inside the clamping assembly.

[0007] Preferably, the descending mechanism includes a fixed frame, which is fixedly connected to the front and rear sides of the pulverizing and returning machine body, and a connecting rod is connected to the top of the fixed frame for sliding up and down, and the bottom end of the connecting rod is fixedly connected to a limiting plate, and limiting grooves are symmetrically provided in the front and rear of the fixed frame, and a spring is sleeved on the surface of the connecting rod between the limiting plate and the top of the fixed frame.

[0008] Preferably, both ends of the limit plate are slidably connected in the limit grooves, the bottom end of the connecting rod extends to the bottom of the fixing frame, the top end of the spring is fixedly connected to the top of the fixing frame, and the other end of the spring is fixedly connected to the top of the limit plate. The limit groove limits the connecting rod so that the connecting rod will not slide out of the fixing frame.

[0009] Preferably, the snap-on assembly includes a connecting frame, which is fixedly connected to the bottom of the limiting plate, and the connecting frame has snap-on grooves symmetrically provided on the front and rear sides of the left side, a snap-on plate is slidably connected in the snap-on groove, a baffle is fixedly connected to the bottom of the snap-on plate, a fixing block is fixedly connected to the top of the snap-on plate, and a fixing groove is provided on the front side of the fixing block.

[0010] Preferably, there are four groups of connecting blocks and fixing grooves, which are arranged at a fixed distance on the top of the clamping plate.

[0011] Preferably, the rotating assembly includes a screw rod, both ends of which are rotatably connected to the front and rear sides of the connecting frame, a moving block is threadedly connected to the surface of the screw rod, a fixed block is fixedly connected to a fixed groove corresponding to the bottom on the back side of the moving block, and a limiting rod is slidably connected to the front side of the moving block.

[0012] Preferably, the rear end of the limit rod extends to the back of the moving block, and the two ends of the limit rod are fixedly connected to the front and rear sides of the connecting frame. There are four groups of moving blocks and fixed blocks, and a fixed distance is set on the surface of the screw. The limit rod limits the moving block so that the moving block moves forward and backward.

[0013] Compared with the prior art, the utility model provides a debris discharge blocking structure of a straw crushing and returning machine, which has the following beneficial effects:

[0014] The debris discharge blocking structure of the straw crusher and returner has a descending mechanism, and the baffle will move downward due to the elastic force of the spring, so that the baffle can be closer to the ground. When the baffle encounters a hard clod, it will move upward to reduce the damage to the baffle. The baffle prevents the debris produced by the crusher and returner body from flying.

[0015] The debris discharge blocking structure of the straw crushing and returning machine is configured such that the clamping plate is placed in the clamping slot through a fixing mechanism. After the clamping plate is placed, the screw is turned by hand to rotate the moving block. The moving block is restricted by the limit rod so that the four groups of moving blocks move forward and backward, thereby causing the fixed block to move forward and backward. When the moving block moves backward, the fixed block will enter the fixing slot to fix the connecting block, thereby fixing the clamping plate and the baffle. This mechanism can facilitate the disassembly and replacement of the baffle. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] 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:

[0017] Figure 1It is a three-dimensional schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the descending mechanism of the utility model structure;

[0019] Figure 3 This is a schematic diagram of the structural clamping assembly of the utility model;

[0020] Figure 4 This is a schematic diagram showing the connection block and the fixing groove of the utility model structure;

[0021] Figure 5 It is a schematic diagram of the rotating assembly of the structure of the utility model.

[0022] In the figure: 1. crushing machine body; 2. descending mechanism; 21. fixing frame; 22. connecting rod; 23. limiting plate; 24. limiting slot; 25. spring; 3. fixing mechanism; 31. clamping assembly; 311. connecting frame; 312. clamping slot; 313. clamping plate; 314. baffle; 315. connecting block; 316. fixing slot; 32. rotating assembly; 321. screw; 322. moving block; 323. fixing block; 324. limiting rod. DETAILED DESCRIPTION

[0023] 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.

[0024] 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.

[0025] The utility model provides the following technical solutions:

[0026] For example, see Figure 1-2 A debris discharging blocking structure of a straw crushing and returning machine comprises a crushing and returning machine body 1. A descending mechanism 2 is arranged on the front and rear sides of the crushing and returning machine body 1, and a fixing mechanism 3 is arranged at the bottom of the descending mechanism 2.

[0027] The descending mechanism 2 includes a fixed frame 21, which is fixedly connected to the front and rear sides of the crushing and returning machine body 1. A connecting rod 22 is connected to the top of the fixed frame 21 for sliding up and down. The bottom end of the connecting rod 22 is fixedly connected to a limiting plate 23. A limiting groove 24 is symmetrically provided in the front and rear of the fixed frame 21. A spring 25 is sleeved on the surface of the connecting rod 22 between the limiting plate 23 and the top of the fixed frame 21.

[0028] Both ends of the limit plate 23 are slidably connected in the limit groove 24, the bottom end of the connecting rod 22 extends to the bottom of the fixing frame 21, the top end of the spring 25 is fixedly connected to the top of the fixing frame 21, and the other end of the spring 25 is fixedly connected to the top of the limit plate 23. The limit groove 24 limits the connecting rod 22 so that the connecting rod 22 will not slide out of the fixing frame 21.

[0029] For example 2, please refer to Figure 3-5 On the basis of the first embodiment, the fixing mechanism 3 further comprises a clamping assembly 31 and a rotating assembly 32 , the clamping assembly 31 is arranged at the bottom of the descending mechanism 2 , and the rotating assembly 32 is arranged in the clamping assembly 31 .

[0030] The snap-in assembly 31 includes a connecting frame 311, which is fixedly connected to the bottom of the limiting plate 23. A snap-in groove 312 is symmetrically provided on the front and rear sides of the left side of the connecting frame 311. A snap-in plate 313 is slidably connected in the snap-in groove 312. A baffle 314 is fixedly connected to the bottom of the snap-in plate 313. A connecting block 315 is fixedly connected to the top of the snap-in plate 313. A fixing groove 316 is provided on the front of the connecting block 315.

[0031] There are four groups of connecting blocks 315 and fixing grooves 316 , which are arranged at a fixed distance on the top of the clamping plate 313 .

[0032] The rotating assembly 32 includes a screw rod 321, both ends of which are rotatably connected to the front and rear sides of the connecting frame 311, a moving block 322 is threadedly connected to the surface of the screw rod 321, a fixed block 323 is fixedly connected to the corresponding fixed groove 316 near the bottom of the moving block 322, and a limiting rod 324 is slidably connected to the front and rear of the moving block 322.

[0033] The rear end of the limiting rod 324 extends to the back of the moving block 322, and the two ends of the limiting rod 324 are fixedly connected to the front and rear sides of the connecting frame 311. There are four groups of moving blocks 322 and fixed blocks 323, and a fixed distance is set on the surface of the screw rod 321. The limiting rod 324 limits the moving block 322 so that the moving block 322 moves forward and backward.

[0034] When the locking plate 313 is in the unlocking state, the locking plate 313 is in the unlocking state, and the locking plate 313 is in the unlocking state. When the locking plate 313 is in the unlocking state, the locking plate 313 is in the unlocking state, and the locking plate 313 is in the unlocking state. When the locking plate 313 is in the unlocking state, the locking plate 313 is in the unlocking state, and the locking plate 313 is in the unlocking state. When the locking plate 313 is in the unlocking state, the locking plate 313 is in the unlocking state, and the locking plate 313 is in the unlocking state.

[0035] 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 debris discharging blocking structure of a straw crushing and returning machine, comprising a crushing and returning machine body (1), characterized in that: The pulverizing and returning machine body (1) is provided with a descending mechanism (2) on both the front and rear sides, and a fixing mechanism (3) is provided at the bottom of the descending mechanism (2); The fixing mechanism (3) comprises a clamping assembly (31) and a rotating assembly (32); the clamping assembly (31) is arranged at the bottom of the descending mechanism (2), and the rotating assembly (32) is arranged inside the clamping assembly (31).

2. The debris discharging blocking structure of the straw crushing and returning machine according to claim 1 is characterized in that: The descending mechanism (2) comprises a fixing frame (21), the fixing frame (21) being fixedly connected to the front and rear sides of the pulverizing and returning machine body (1), a connecting rod (22) being slidably connected to the top of the fixing frame (21) up and down, a limiting plate (23) being fixedly connected to the bottom end of the connecting rod (22), limiting grooves (24) being symmetrically provided in the front and rear of the fixing frame (21), and a spring (25) being sleeved on the surface of the connecting rod (22) between the limiting plate (23) and the top of the fixing frame (21).

3. The debris discharging blocking structure of the straw crushing and returning machine according to claim 2 is characterized in that: Both ends of the limit plate (23) are slidably connected in the limit groove (24), the bottom end of the connecting rod (22) extends to the bottom of the fixing frame (21), the top end of the spring (25) is fixedly connected to the top of the fixing frame (21), and the other end of the spring (25) is fixedly connected to the top of the limit plate (23).

4. The debris discharging blocking structure of the straw crushing and returning machine according to claim 1 is characterized in that: The clamping assembly (31) comprises a connecting frame (311), the connecting frame (311) being fixedly connected to the bottom of the limiting plate (23), the connecting frame (311) being symmetrically provided with clamping grooves (312) on the front and rear sides of the left side, a clamping plate (313) being slidably connected in the clamping groove (312), a baffle (314) being fixedly connected to the bottom of the clamping plate (313), a connecting block (315) being fixedly connected to the top of the clamping plate (313), and a fixing groove (316) being provided on the front side of the connecting block (315).

5. The debris discharging blocking structure of the straw crushing and returning machine according to claim 4 is characterized in that: There are four groups of connection blocks (315) and fixing grooves (316), which are arranged at a fixed distance on the top of the clamping plate (313).

6. The debris discharging blocking structure of the straw crushing and returning machine according to claim 1 is characterized in that: The rotating assembly (32) comprises a screw rod (321), two ends of the screw rod (321) are rotatably connected to front and rear sides of the connecting frame (311), a moving block (322) is threadedly connected to the surface of the screw rod (321), a fixed block (323) is fixedly connected to the back side of the moving block (322) near the bottom corresponding to the fixed groove (316), and the front side of the moving block (322) is slidably connected to a limit rod (324) in the front and rear.

7. The debris discharging blocking structure of the straw crushing and returning machine according to claim 6 is characterized in that: The rear end of the limiting rod (324) extends to the back of the moving block (322), and both ends of the limiting rod (324) are fixedly connected to the front and rear sides of the connecting frame (311). There are four groups of moving blocks (322) and fixed blocks (323), which are arranged at a fixed distance on the surface of the screw rod (321).

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