Crushing device for crop straw treatment

Abstract

The invention relates to the technical field of crop smashing, and discloses a smashing device for crop straw treatment, which comprises a bottom plate, a supporting rod is fixedly connected to the top of the bottom plate, a top plate is fixedly connected to the top of the supporting rod, and a support is fixedly connected to the top of the top plate. A motor is fixedly connected to the inner wall of the support, four sets of supporting legs are arranged on the right side of the top of the bottom plate, a smashing bin is fixedly connected to the tops of the four sets of supporting legs, a feeding port is fixedly connected to the top of the smashing bin, the bottoms of the four sets of supporting legs are fixedly connected with the bottom plate, and a discharging port is fixedly connected to the bottom of the smashing bin. According to the straw smashing device, the smashing length of straw can be adjusted by arranging the moving plate, so that when the straw is smashed, the distance of the moving plate is adjusted, when new straw is put, the newly put straw can be retained above the smashing wheel, and the new straw cannot be mixed with the smashed straw.

Description

Technical Field

[0001] The present invention relates to the technical field of crop crushing, and in particular to a crop straw processing crushing device. Background Art

[0002] Through its specific working principle and structural design, the straw crusher can effectively crush crop straw (such as corn straw, wheat straw, rice straw, etc.) and other plant materials (such as forage grass, peanut seedlings, cotton stalks, etc.). The crushed straw debris can be used for various purposes such as biomass fuel, organic fertilizer, papermaking raw materials, and board manufacturing, thereby realizing the recycling of straw resources.

[0003] The patent application with application number CN202322644886.0 discloses a crushing and processing device for crop straw, which relates to the technical field of crop straw processing, including a base, a crushing box fixedly connected to the top surface of the base, a feed port penetrating the top surface of the crushing box, and a feed hopper fixedly installed on the inner wall of the feed port, a discharge port penetrating the bottom surface of the crushing box, and the discharge port penetrates the base.

[0004] Current straw crushing equipment often encounters blockage problems during straw processing. This problem is caused by the improper stacking of newly added straw and the crushed straw inside the device, which leads to entanglement. This entanglement significantly hinders the smooth discharge of the crushed straw from the discharge port, affecting the overall crushing efficiency and process continuity. Summary of the invention

[0005] In view of the deficiencies of the prior art, the object of the present invention is to provide a pulverizing device for processing crop straws to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a pulverizing device for processing crop straw, comprising a bottom plate, the top of which is fixedly connected to a support rod. The top of the support rod is fixedly connected to a top plate, the top of the top plate is fixedly connected to a bracket, and the inner wall of the bracket is fixedly connected to a motor. Four groups of support legs are arranged on the right side of the top of the bottom plate, the tops of the four groups of support legs are fixedly connected to a pulverizing bin, the top of the pulverizing bin is fixedly connected to a feed inlet, the bottoms of the four groups of support legs are fixedly connected to the bottom plate, and the bottom of the pulverizing bin is fixedly connected to a discharge port, and further comprising: The moving mechanism comprises a rectangular shell, the outer wall of the rectangular shell is fixedly connected to the crushing bin, the inner wall of the rectangular shell is provided with two groups of first sliding bars, the outer walls of the two groups of first sliding bars are slidably connected to the first sliding blocks, and the left and right ends of the two groups of first sliding bars are fixedly connected to the inner wall of the rectangular shell; Support mechanism. The support mechanism includes a baffle, which is rotatably connected to the discharge port through a rotating shaft, a pulling plate is fixedly connected to the top of the baffle, and a side of the pulling plate away from the baffle is fixedly connected to the inner wall of the crushing bin; The knocking mechanism comprises a protective shell, a side of the protective shell close to the inside of the discharge port is fixedly connected to it, and a protective plate is fixedly connected to the bottom of the inner wall of the protective shell.

[0007] According to the above technical solution, a crushing wheel is fixedly connected to the output end of the motor, movable plates are arranged on both the front and back sides of the crushing bin, and two groups of movable plates are slidably connected to the crushing bin.

[0008] According to the above technical solution, the left and right sides of the inner wall of the rectangular shell are connected with fixed rods, the right side of the inner wall of the rectangular shell is fixedly connected with a first spring, and the side of the first spring away from the rectangular shell is fixedly connected to the first sliding block.

[0009] According to the above technical solution, the left side of the first sliding block is rotatably connected to a rotating plate via a rotating shaft, the bottom of the rotating plate is fixedly connected to two groups of pull ropes, and the sides of the two groups of pull ropes close to each other are fixedly connected to hook plates.

[0010] According to the above technical solution, the hook plate passes through the rectangular shell, a second spring is fixedly connected to the bottom of the hook plate, a contact plate is fixedly connected to the bottom of the second spring, a side of the contact plate close to the first sliding block is fixedly connected to it, the moving mechanism is provided with four groups, and the left and right sides of the moving plate are fixedly connected to the first sliding block.

[0011] According to the above technical solution, the side of the rotating plate close to the discharge port is fixedly connected to it, the side of the rotating plate away from the discharge port is rotatably connected to a sliding plate via a rotating shaft, the outer wall of the sliding plate is slidably connected to two groups of limit plates, the sides of the two groups of limit plates close to each other are fixedly connected to a rectangular plate, and the side of the sliding plate away from the rotating plate is fixedly connected to a third spring.

[0012] According to the above technical solution, a connecting column is fixedly connected to one side of the rectangular plate close to the third spring, a pressing block is fixedly connected to the outer wall of the middle end of the connecting column, the pressing block is fixedly connected to the third spring on one side, an inclined plate is rotatably connected to the side of the connecting column away from the sliding plate through a bearing, the top of the rectangular plate is fixedly connected to the baffle, and the supporting mechanism is provided with two groups, both of which are symmetrically arranged with the middle of the discharge port as the center.

[0013] According to the above technical solution, a side of the protective plate close to the discharge port is fixedly connected to a second sliding rod, a second sliding block is slidably connected to an outer wall of the second sliding rod, a side of the second sliding block away from the protective plate is fixedly connected to a fourth spring, a side of the fourth spring away from the second sliding plate is fixedly connected to the left side of the inner wall of the protective shell, a second sliding block is fixedly connected to an elastic plate on the top, a side of the protective shell away from the discharge port is rotatably connected to a knocking block via a rotating shaft, a side of the elastic plate away from the second sliding block is fixedly connected to the knocking block, a top of the knocking block contacts with the baffle, and two groups of knocking mechanisms are provided, and both are symmetrically arranged with the middle of the discharge port as the center.

[0014] Compared with the prior art, the present invention provides a pulverizing device for processing crop straw, which has the following beneficial effects: 1. The present invention sets the movable plate to be adjustable so that the length of the crushed straw can be controlled by moving the adjustment plate. When crushing the straw, by adjusting the distance of the movable plate, the newly-added straw can be retained above the crushing wheel for slow crushing, so that the new straw will not be mixed with the crushed straw.

[0015] 2. The present invention can adjust the moving distance of the movable plate to different degrees by setting a fixed rod, so that when the movable plate moves, the different distances between it and the crushing wheel can cause only straws with consistent distances to fall, thereby limiting the cross-stacking of straws of other lengths with the straw being crushed.

[0016] 3. The present invention realizes the effective support and separation of straw at different stages of the crushing process. When the straw flows into the bottom area after preliminary processing by the crushing wheel, the baffle can accurately intercept and support the longer straw that still needs further processing, prompting it to return to the crushing wheel for secondary fine crushing. This process not only significantly shortens the final length of the straw, but more importantly, it effectively avoids cross-connection between the straws, ensuring the uniformity and high quality of the crushed products.

[0017] 4. The present invention can knock on the baffle by setting a knocking mechanism. When the baffle is opened, the knocking mechanism knocks on the baffle, so that the straw remaining on the baffle will slide on the baffle due to vibration, so that the waste can be emptied at one time when it is discharged. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a structural cross-sectional view of the present invention; Figure 3 It is a schematic diagram of the structure of the crushing bin of the present invention; Figure 4It is a structural schematic diagram of the mobile mechanism of the present invention; Figure 5 It is a structural schematic diagram of the rotating plate of the present invention; Figure 6 It is a structural schematic diagram of the discharge port of the present invention; Figure 7 It is a structural schematic diagram of the support mechanism of the present invention; Figure 8 It is a structural schematic diagram of a rectangular plate of the present invention; Fig. 9 It is a structural schematic diagram of the knocking mechanism of the present invention.

[0019] In the figure: 1, bottom plate; 2, support rod; 3, top plate; 4, motor; 5, bracket; 6, crushing bin; 7, feeding port; 8, support leg; 9, moving mechanism; 901, rectangular shell; 902, first slide bar; 903, first slide block; 904, first spring; 905, fixed rod; 906, rotating plate; 907, hook plate; 908, pull rope; 909, second spring; 910, contact plate; 10, supporting mechanism; 1001, baffle; 1002, pulling plate; 1003 , rotating plate; 1004, sliding plate; 1005, third spring; 1006, inclined plate; 1007, rectangular plate; 1008, limit plate; 1009, pressing block; 1010, connecting column; 11, knocking mechanism; 1101, protective shell; 1102, protective plate; 1103, second sliding rod; 1104, fourth spring; 1105, second sliding block; 1106, elastic plate; 1107, knocking block; 12, crushing wheel; 13, moving plate; 14, discharge port. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0022] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" 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.

[0023] Example 1: See Figure 1-Figure 5 The present invention provides a technical solution: a pulverizing device for processing crop straw, comprising a bottom plate 1, a support rod 2 is fixedly connected to the top of the bottom plate 1, a top plate 3 is fixedly connected to the top of the support rod 2, a bracket 5 is fixedly connected to the top of the top plate 3, and a motor 4 is fixedly connected to the inner wall of the bracket 5. Four groups of support legs 8 are arranged on the right side of the top of the bottom plate 1, and a pulverizing bin 6 is fixedly connected to the top of the four groups of support legs 8, and a feed inlet 7 is fixedly connected to the top of the pulverizing bin 6, and the bottom of the four groups of support legs 8 is fixedly connected to the bottom plate 1, and a discharge port 14 is fixedly connected to the bottom of the pulverizing bin 6, and further comprising: The moving mechanism 9 includes a rectangular shell 901, the outer wall of the rectangular shell 901 is fixedly connected to the crushing bin 6, two groups of first slide bars 902 are arranged on the inner wall of the rectangular shell 901, the outer walls of the two groups of first slide bars 902 are slidably connected to the first slide blocks 903, the left and right ends of the two groups of first slide bars 902 are fixedly connected to the inner wall of the rectangular shell 901, the output end of the motor 4 is fixedly connected to the crushing wheel 12, the front and back sides of the crushing bin 6 are provided with moving plates 13, the two groups of moving plates 13 are slidably connected to the crushing bin 6, the left and right sides of the inner wall of the rectangular shell 901 are connected to fixed rods 905, the right side of the inner wall of the rectangular shell 901 is fixedly connected to the first spring 904, the side of the first spring 904 away from the rectangular shell 901 is fixedly connected to the first slide block 903, the left side of the first slide block 903 is rotatably connected to the rotating plate 906 through the rotating shaft, and the rotating Two groups of pull ropes 908 are fixedly connected to the bottom of the plate 906, and the sides of the two groups of pull ropes 908 close to each other are fixedly connected to a hook plate 907. By setting the hook plate 907, a restriction can be imposed on the fixed rod 905, so that the hook plate 907 can control the moving distance of the movable plate 13. In this way, by controlling the moving distance of the movable plate 13, the straw can be crushed to different degrees by adjusting the distance of the movable plate 13 when crushing the straw, so that the straw will not be stacked. The hook plate 907 passes through the rectangular shell 901, and the second spring 900 is fixedly connected to the bottom of the hook plate 907. The second spring 909 is fixedly connected to the bottom of the contact plate 910. The contact plate 910 is fixedly connected to the first sliding block 903 on one side thereof. The moving mechanism 9 is provided with four groups, and the left and right sides of the movable plate 13 are fixedly connected to the first sliding block 903.

[0024] The working principle of this embodiment is as follows: when the staff needs to crush the straw, first put the straw to be crushed into the feed port 7, start the motor 4, and drive the crushing wheel 12 to rotate through the motor 4, so as to crush the straw, causing the crushed straw to fall into the bottom of the crushing bin 6. When it is necessary to solve the stacking phenomenon caused by the straw crushing length being too long, the moving plate 13 is pushed to move, and the lifting hook plate 907 is moved, causing the second spring 909 to start to stretch, so that the hook plate 907 loses the downward pressure on the pull rope 908, so that the pull rope 908 moves upward. The restriction on the rotating plate 906 is released, causing the rotating plate 906 to suddenly lose the restriction and begin to rotate to both sides, causing the rotating plate 906 to move out of the fixed rod 905, so that the movable plate 13 can be pushed, causing the first sliding block 903 to begin to move toward the direction of the crushing wheel 12. At this time, the first spring 904 begins to shrink. When the movable plate 13 needs to be fixed, the hook plate 907 is pressed to move it downward, thereby pulling the pull rope 908 to move it. The rotating plate 906 is pulled and fixed by the pull rope 908, causing the rotating plate 906 to be out of the groove of the fixed rod 905.

[0025] Example 2: Please refer to Figure 6-Figure 8 On the basis of the first embodiment, the present invention provides a technical solution: a support mechanism 10. The support mechanism 10 includes a baffle 1001, which is rotatably connected to the discharge port 14 through a rotating shaft, a pulling plate 1002 is fixedly connected to the top of the baffle 1001, and the side of the pulling plate 1002 away from the baffle 1001 is fixedly connected to the inner wall of the crushing bin 6, and the side of the rotating plate 1003 close to the discharge port 14 is fixedly connected thereto, and the side of the rotating plate 1003 away from the discharge port 14 is rotatably connected to a sliding plate 1004 through a rotating shaft, and two sets of limiting plates 1008 are slidably connected to the outer wall of the sliding plate 1004. By setting the limiting plates 1008 to slide on the sliding plates 1004, the rectangular plate 1007 can be assisted to avoid deviation when moving downward. The displacement phenomenon allows the rectangular plate 1007 to move downward smoothly when it moves downward, and the two sets of limit plates 1008 are fixedly connected to the rectangular plate 1007 on the side close to each other, and the sliding plate 1004 is fixedly connected to the third spring 1005 on one side, and the third spring 1005 is fixedly connected to a connecting column 1010 on one side, and a pressing block 1009 is fixedly connected to the outer wall of the middle end of the connecting column 1010, and the pressing block 1009 is fixedly connected to the third spring 1005 on the side thereof, and the connecting column 1010 is rotatably connected to the inclined plate 1006 on the side away from the sliding plate 1004 through a bearing, and the top of the rectangular plate 1007 is fixedly connected to the baffle 1001, and the support mechanism 10 is provided with two groups, both of which are symmetrically arranged with the middle of the discharge port 14 as the center.

[0026] The working principle of this embodiment is as follows: when the crushed straw falls directly onto the baffle 1001, the baffle 1001 will support the crushed straw. When the weight of the straw exceeds the supporting weight of the baffle 1001, the baffle 1001 will rotate downward, causing the baffle 1001 to push the inclined plate 1006 to move when rotating downward, causing the inclined plate 1006 to push the connecting column 1010 to move downward, and the connecting column 1010 drives the pressing block 1009 to move downward, and the connecting column 1010 also drives the rectangular plate 1007 to move downward, and then the rectangular plate 1007 drives the limiting plate 1008 to move on the sliding plate 10 04, the pressing block 1009 presses the third spring 1005 during the downward movement, so that the third spring 1005 begins to contract. When the straw on the baffle 1001 completely slides off the baffle 1001, the baffle 1001 loses the pressing force and no longer presses the inclined plate 1006, so that the third spring 1005 loses the downward force and begins to rebound, causing the third spring 1005 to push the pressing block 1009 to move upward, and the pressing block 1009 drives the connecting column 1010 to move upward synchronously, so that the inclined plate 1006 moves upward, thereby driving the baffle 1001 to reset.

[0027] Example 3: Please refer to Fig. 9 On the basis of the first and second embodiments, the present invention provides a technical solution: a knocking mechanism 11, the knocking mechanism 11 comprises a protective shell 1101, a side of the protective shell 1101 close to the inside of the discharge port 14 is fixedly connected thereto, a protective plate 1102 is fixedly connected to the bottom of the inner wall of the protective shell 1101, a side of the protective plate 1102 close to the discharge port 14 is fixedly connected to a second sliding rod 1103, a second sliding block 1105 is slidably connected to the outer wall of the second sliding rod 1103, a side of the second sliding block 1105 away from the protective plate 1102 is fixedly connected to a fourth spring 1104, a side of the fourth spring 1104 away from the second sliding block 1105 is fixedly connected to the left side of the inner wall of the protective shell 1101, an elastic plate 1106 is fixedly connected to the top of the second sliding block 1105, and an elastic plate 1106 is fixedly connected to the top of the second sliding block 1105. Plate 1106 can make the knocking block 1107 be pulled by the elastic plate 1106 when rotating so that the downward pressure of the knocking block 1107 is converted into an upward pulling force by the elastic plate 1106, thereby knocking the baffle 1001. The side of the protective shell 1101 away from the discharge port 14 is rotatably connected with the knocking block 1107 through a rotating shaft, and the side of the elastic plate 1106 away from the second sliding block 1105 is fixedly connected to the knocking block 1107, and the top of the knocking block 1107 contacts the baffle 1001. The knocking mechanism 11 is provided with two groups, and both are symmetrically arranged with the middle of the discharge port 14 as the center.

[0028] The working principle of this embodiment is as follows: when the baffle 1001 rotates downward, the knocking block 1107 will be pressed, causing the knocking block 1107 to be subjected to a large amount of downward pressure and start to rotate downward, causing the knocking block 1107 to pull the elastic plate 1106 for vertical stretching, causing the elastic plate 1106 to generate a rebound force after the vertical stretching to pull the knocking block 1107 and push the second sliding block 1105, causing the second sliding block 1105 to start pressing the fourth spring 1104, causing the fourth spring 1104 to contract first and then rebound, causing the fourth spring 1104 to push the second sliding block 1105 to start moving toward the knocking block 1107, causing the elastic plate 1106 to be pulled up again, and when rebounding, it will pull the knocking block 1107 back, so that the knocking block 1107 knocks on the baffle 1001, so that the straw on the baffle 1001 slides off to complete the work.

[0029] 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.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A pulverizing device for processing crop straw, comprising a bottom plate (1), the top of the bottom plate (1) being fixedly connected to a support rod (2), the top of the support rod (2) being fixedly connected to a top plate (3), the top of the top plate (3) being fixedly connected to a bracket (5), and the inner wall of the bracket (5) being fixedly connected to a motor (4). Four groups of supporting legs (8) are arranged on the right side of the top of the bottom plate (1), the tops of the four groups of supporting legs (8) being fixedly connected to a pulverizing bin (6), the top of the pulverizing bin (6) being fixedly connected to a feed inlet (7), the bottoms of the four groups of supporting legs (8) being fixedly connected to the bottom plate (1), and the bottom of the pulverizing bin (6) being fixedly connected to a discharge outlet (14), characterized in that: Also includes: A moving mechanism (9), the moving mechanism (9) comprising a rectangular shell (901), the outer wall of the rectangular shell (901) being fixedly connected to the crushing bin (6), the inner wall of the rectangular shell (901) being provided with two groups of first sliding bars (902), the outer walls of the two groups of first sliding bars (902) being slidably connected to first sliding blocks (903), and the left and right ends of the two groups of first sliding bars (902) being fixedly connected to the inner wall of the rectangular shell (901); Support mechanism (10). The support mechanism (10) comprises a baffle (1001), wherein the baffle (1001) is rotatably connected to the discharge port (14) via a rotating shaft, a pulling plate (1002) is fixedly connected to the top of the baffle (1001), and a side of the pulling plate (1002) away from the baffle (1001) is fixedly connected to the inner wall of the crushing bin (6); The knocking mechanism (11) comprises a protective shell (1101), a side of the protective shell (1101) close to the inside of the discharge port (14) is fixedly connected thereto, and a protective plate (1102) is fixedly connected to the bottom of the inner wall of the protective shell (1101).

2. A crop straw processing pulverizing device according to claim 1, characterized in that: The output end of the motor (4) is fixedly connected to a crushing wheel (12), and movable plates (13) are provided on both the front and back sides of the crushing bin (6), and two sets of movable plates (13) are slidably connected to the crushing bin (6).

3. The crop straw processing pulverizing device according to claim 1, characterized in that: The left and right sides of the inner wall of the rectangular shell (901) are connected to fixed rods (905), the right side of the inner wall of the rectangular shell (901) is fixedly connected to a first spring (904), and the side of the first spring (904) away from the rectangular shell (901) is fixedly connected to the first sliding block (903).

4. The crop straw processing pulverizing device according to claim 3, characterized in that: The left side of the first sliding block (903) is rotatably connected to a rotating plate (906) via a rotating shaft, and the bottom of the rotating plate (906) is fixedly connected to two groups of pull ropes (908), and the two groups of pull ropes (908) are fixedly connected to hook plates (907) on the sides close to each other.

5. The crop straw processing pulverizing device according to claim 4, characterized in that: The hook plate (907) penetrates the rectangular shell (901); a second spring (909) is fixedly connected to the bottom of the hook plate (907); a contact plate (910) is fixedly connected to the bottom of the second spring (909); a side of the contact plate (910) close to the first sliding block (903) is fixedly connected to it; the moving mechanism (9) is provided with four groups; both left and right sides of the moving plate (13) are fixedly connected to the first sliding block (903).

6. The crop straw processing pulverizing device according to claim 1, characterized in that: The side of the rotating plate (1003) close to the discharge port (14) is fixedly connected thereto, the side of the rotating plate (1003) away from the discharge port (14) is rotatably connected to a sliding plate (1004) via a rotating shaft, the outer wall of the sliding plate (1004) is slidably connected to two groups of limit plates (1008), the sides of the two groups of limit plates (1008) close to each other are fixedly connected to a rectangular plate (1007), and the side of the sliding plate (1004) away from the rotating plate (1003) is fixedly connected to a third spring (1005).

7. A method according to claim 6, characterized in that: A connecting column (1010) is fixedly connected to a side of the rectangular plate (1007) close to the third spring (1005), a pressing block (1009) is fixedly connected to the outer wall of the middle end of the connecting column (1010), a side of the pressing block (1009) close to the third spring (1005) is fixedly connected to it, a side of the connecting column (1010) away from the sliding plate (1004) is rotatably connected to an inclined plate (1006) via a bearing, the top of the rectangular plate (1007) is fixedly connected to the baffle (1001), and the supporting mechanism (10) is provided with two groups, both of which are symmetrically arranged with the middle of the discharge port (14) as the center.

8. The crop straw processing pulverizing device according to claim 1, characterized in that: A second sliding rod (1103) is fixedly connected to a side of the protective plate (1102) close to the discharge port (14); a second sliding block (1105) is slidably connected to an outer wall of the second sliding rod (1103); a fourth spring (1104) is fixedly connected to a side of the second sliding block (1105) away from the protective plate (1102); a side of the fourth spring (1104) away from the second sliding block (1105) is fixedly connected to the left side of the inner wall of the protective shell (1101); and the second sliding block An elastic plate (1106) is fixedly connected to the top of (1105); a side of the protective shell (1101) away from the discharge port (14) is rotatably connected to a knocking block (1107) via a rotating shaft; a side of the elastic plate (1106) away from the second sliding block (1105) is fixedly connected to the knocking block (1107); a top of the knocking block (1107) is in contact with the baffle (1001); and two groups of the knocking mechanism (11) are provided, and both are symmetrically arranged with the middle of the discharge port (14) as the center.

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