Feeding dust suppression device for straw returning machine

Abstract

The utility model relates to the technical field of straw returning machines, and discloses a feeding dust suppression device for a straw returning machine. The feeding hopper fixedly penetrates through the top surface of the case and extends into the case; the crushing device is fixedly mounted on the inner side surface of the case; the two second inclined plates are located above the smashing device and are symmetrically arranged, and the side faces of the two second inclined plates are fixedly connected with the side face in the machine box; the discharging opening is formed in the left side face of the machine box in a penetrating mode, and the baffle is hinged to the left side face of the machine box. And a cleaning assembly is arranged on the surface of the dust suppression assembly. According to the straw returning machine, dust in the machine box is pumped out through the dust suppression assembly by means of an air suction pump, an air suction pipe and an impurity suction pipe, the dust is wetted through clean water in a connecting box, meanwhile, the dust is filtered through a filter cartridge, the situation that dust flies to pollute the environment and harm the body health of operators is avoided, and the feeding dust suppression effect of the straw returning machine is reduced.

Description

Technical Field

[0001] This utility model relates to the field of straw returning machine technology, specifically a feeding and dust suppression device for a straw returning machine. Background Technology

[0002] A straw returning machine is an agricultural machine mainly used to crush and cut crop straw and return it directly to the field to increase the organic matter content of the soil, improve the soil structure, and reduce environmental pollution.

[0003] According to a Chinese patent publication (CN217722106U), a straw crushing device includes a crushing box, a crushing roller rotatably connected inside the crushing box, a screening box fixedly connected to the lower end of the crushing box, an inclined screen plate fixedly connected inside the screening box, an air inlet pipe fixedly connected to the screening box, a first discharge port and a second discharge port on the crushing box, multiple exhaust ports on the screening box, a hot air blower connected to the external air inlet pipe, a first motor fixedly connected to the crushing box, a crushing roller fixedly connected to the output shaft of the first motor, multiple slices fixedly connected to the crushing roller, and a feeding box fixedly connected to the upper end of the crushing box. This device can crush straw and then screen it.

[0004] This device uses a crushing box, crushing rollers, screening box, and inclined screen plate to crush straw. However, existing devices have the following problems: a large amount of dust is generated during the feeding of the crushing box and during the crushing process. The dust can cause harm to workers and pollute the environment. Therefore, a dust suppression device for feeding a straw returning machine is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a dust suppression device for a straw returning machine, in order to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a dust suppression device for feeding a straw returning machine, comprising a machine casing;

[0007] A fixed feeding hopper extends from the top surface of the chassis into the interior of the chassis;

[0008] A crushing device that is fixedly installed on the inside side of the chassis;

[0009] Two second inclined plates are located above the crushing device. The two second inclined plates are symmetrically arranged, and the sides of the two second inclined plates are fixedly connected to the inner side of the machine box.

[0010] And a discharge port that runs through the left side of the chassis, a baffle that is hinged to the left side of the chassis, and a dust suppression component that is fixedly connected inside the chassis.

[0011] The dust suppression component is equipped with a cleaning component on its surface. The crushing device consists of a motor, two crushing rollers and two gears. The motor drives the connected gears to rotate, and the two crushing rollers rotate through the meshing of the two gears, thereby crushing the straw.

[0012] Preferably, the dust suppression component includes a first inclined plate fixedly connected to the inner side of the chassis. A support plate is fixedly connected to the bottom surface of the first inclined plate. The side surface of the support plate is fixedly connected to the inner side of the chassis. A through hole is opened on the left side of the support plate, and a filter screen is fixedly connected to the inner wall of the through hole. A support block and a connecting box are provided on the right side of the chassis. The left and right sides of the support block are fixedly connected to the right side of the chassis and the left side of the connecting box, respectively. A filter cylinder is provided inside the connecting box. An air suction pump is fixedly connected to the right side of the connecting box. An air suction pipe is fixedly connected to the top surface of the air suction pump's suction pipe. The bottom surface of the air suction pipe extends through the top surface of the connecting box and the top surface of the filter cylinder to the inside of the filter cylinder. The surface of the air suction pipe is fixedly connected to the inner wall of the connecting box. The surface of the air suction pipe is rotatably connected to the inner wall of the filter cylinder through a bearing seat. A debris suction pipe is provided at the lower left of the filter cylinder. The bottom left side of the debris suction pipe extends through the top surface of the connecting box and the right side of the chassis to the inside of the chassis. The debris suction pipe is located below the first inclined plate. A dual-head motor is fixedly connected to the right side of the chassis.

[0013] Preferably, the cleaning assembly includes a third rotating rod. The left end face of the left output rod of the dual-head motor extends through the right side of the casing into the interior of the casing. The left end face of the left output rod of the dual-head motor is fixedly connected to the right end face of the third rotating rod. The left end face of the third rotating rod extends through the right side of the filter screen to the left side of the filter screen. The surface of the third rotating rod is rotatably connected to the inner wall of the filter screen through a bearing seat. A first cleaning brush is fixedly connected to the left end face of the third rotating rod. The right side of the first cleaning brush is slidably connected to the left side of the filter screen. The first cleaning brush cleans away the straw fragments attached to the filter screen.

[0014] Preferably, a second rotating rod is fixedly connected to the bottom surface of the filter cartridge. The bottom end of the second rotating rod extends through the bottom surface of the connecting box to the bottom of the connecting box. The surface of the second rotating rod is rotatably connected to the inner wall of the connecting box through a bearing seat. A first rotating rod is fixedly connected to the right end of the right output rod of the dual-head motor. Both the first and second rotating rods are fixedly fitted with bevel gears. The two bevel gears mesh at an inclined surface. The rotation of the second rotating rod drives the filter cartridge to rotate, thereby facilitating the second cleaning brush to clean the filter cartridge.

[0015] Preferably, the connecting box is provided with an inlet pipe and an outlet pipe at the top and bottom respectively. The bottom end of the inlet pipe and the top end of the outlet pipe are fixedly connected through the top and bottom of the connecting box and extend into the interior of the connecting box. Valves are provided inside the inlet pipe and the outlet pipe. The outlet pipe is located below the filter cylinder. The inlet pipe facilitates the addition of clean water to the connecting box, thereby facilitating the suction pipe to pass dust into the clean water in the connecting box. The outlet pipe facilitates the discharge of sewage from the connecting box.

[0016] Preferably, a through groove is provided on the front side of the connecting box, and a transparent plate is fixedly connected to the inner wall of the through groove. The transparent plate is located in front of the suction pipe, and the transparent plate facilitates the observation of the water level in the connecting box.

[0017] Preferably, the front side of the filter cartridge is provided with a second cleaning brush and a connecting plate. The front and rear ends of the connecting plate are fixedly connected to the inner side of the connecting box and the front of the second cleaning brush, respectively. The rear side of the second cleaning brush is slidably connected to the surface of the filter cartridge, and the surface of the filter cartridge is cleaned by the second cleaning brush.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] 1. The straw returning machine uses a feeding dust suppression device. Through the dust suppression components, the air pump, air suction pipe and dust suction pipe are used to extract the dust from the machine box. The dust is then moistened with clean water in the connecting box. At the same time, the dust is filtered by the filter cartridge to prevent dust from flying and causing environmental pollution and harming the health of the operators, thus reducing the feeding dust suppression effect of the straw returning machine.

[0020] 2. The straw returning machine uses a feeding dust suppression device. Through the cleaning component, the third rotating rod rotates, driving the first cleaning brush to rotate, thereby cleaning away the straw fragments attached to the filter screen and preventing the straw fragments from clogging the filter screen. At the same time, the second rotating rod drives the filter cylinder to rotate, causing the second cleaning brush to clean away the dust attached to the surface of the filter cylinder, improving the filtration effect of the filter cylinder on dust, thereby improving the feeding dust suppression effect of the device on the straw returning machine. Attached Figure Description

[0021] Figure 1 This is a perspective view of the entire front section of this utility model;

[0022] Figure 2 This is a perspective view of the overall main view of this utility model;

[0023] Figure 3 This is a rear perspective view of the entire utility model;

[0024] Figure 4 This is a perspective view of the filter screen of this utility model;

[0025] Figure 5This is a partial frontal sectional perspective view of the filter cartridge of this utility model.

[0026] In the diagram: 1. Chassis; 2. Feeding hopper; 3. Crushing device; 4. Baffle; 50. Dust suppression component; 501. First inclined plate; 502. Support plate; 503. Filter screen; 504. Dual-head motor; 505. First rotating rod; 506. Second rotating rod; 507. Connecting box; 508. Support block; 509. Filter cylinder; 5010. Suction pump; 5011. Suction pipe; 5012. Water inlet pipe; 5013. Water outlet pipe; 5014. Transparent plate; 5015. Impurity suction pipe; 51. Cleaning component; 51. Third rotating rod; 511. First cleaning brush; 512. Connecting plate; 513. Second cleaning brush; 514. Second inclined plate; 6. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Example 1: Please refer to Figure 1 - Figure 5 This utility model provides a technical solution: a dust suppression device for feeding a straw returning machine, including a machine box 1;

[0029] A fixed feed hopper 2 extends from the top surface of the housing 1 into the interior of the housing 1;

[0030] The crushing device 3 is fixedly installed on the inside side of the casing 1;

[0031] Two second inclined plates 6 are located above the crushing device 3. The two second inclined plates 6 are symmetrically arranged, and the sides of the two second inclined plates 6 are fixedly connected to the inner side of the casing 1.

[0032] And a discharge port that runs through the left side of the chassis 1, a baffle 4 that is hinged to the left side of the chassis 1, and a dust suppression component 50 that is fixedly connected inside the chassis 1.

[0033] The surface of the dust suppression component 50 is provided with a cleaning component 51.

[0034] The dust suppression component 50 includes a first inclined plate 501 fixedly connected to the inner side of the casing 1. A support plate 502 is fixedly connected to the bottom surface of the first inclined plate 501. The side of the support plate 502 is fixedly connected to the inner side of the casing 1. A through hole is opened on the left side of the support plate 502. A filter screen plate 503 is fixedly connected to the inner wall of the through hole. A support block 508 and a connecting box 507 are arranged on the right side of the casing 1. The left and right sides of the support block 508 are fixedly connected to the right side of the casing 1 and the left side of the connecting box 507, respectively. A filter cartridge 509 is arranged inside the connecting box 507. An air suction pump 5010 is fixedly connected to the right side of the connecting box 507. An air suction pipe 5011 is fixedly connected to the top surface of the air suction pump 5010's suction pipe. The bottom surface of the air suction pipe 5011 extends through the top surface of the connecting box 507 and the top surface of the filter cartridge 509 and into the interior of the filter cartridge 509. The surface of the suction pipe 5011 is fixedly connected to the inner wall of the connecting box 507. The surface of the suction pipe 5011 is rotatably connected to the inner wall of the filter cylinder 509 through the bearing seat. A suction pipe 5015 is provided on the lower left side of the filter cylinder 509. The bottom left side of the suction pipe 5015 is fixedly connected to the top inside the connecting box 507 and the right side of the machine box 1, extending into the inside of the machine box 1. The suction pipe 5015 is located below the first inclined plate 501. A double-head motor 504 is fixedly connected to the right side of the machine box 1. Through the dust suppression component 50, the suction pump 5010, the suction pipe 5011 and the suction pipe 5015 are used to extract the dust from the machine box 1. The dust is then moistened by the clean water in the connecting box 507. At the same time, the dust is filtered by the filter cylinder 509 to prevent dust from flying and causing environmental pollution and harming the health of the operators, thus reducing the dust suppression effect of the straw returning machine.

[0035] A second rotating rod 506 is fixedly connected to the bottom surface of the filter cartridge 509. The bottom end of the second rotating rod 506 extends through the bottom surface of the connecting box 507 to the bottom of the connecting box 507. The surface of the second rotating rod 506 is rotatably connected to the inner wall of the connecting box 507 through a bearing seat. A first rotating rod 505 is fixedly connected to the right end of the output rod on the right side of the dual-head motor 504. Both the first rotating rod 505 and the second rotating rod 506 are fixedly fitted with bevel gears, and the two bevel gears mesh on their inclined surfaces.

[0036] The connection box 507 is provided with an inlet pipe 5012 and an outlet pipe 5013 at the top and bottom respectively. The bottom end of the inlet pipe 5012 and the top end of the outlet pipe 5013 are fixedly inserted through the top and bottom of the connection box 507 and extend into the connection box 507. Valves are provided inside the inlet pipe 5012 and the outlet pipe 5013. The outlet pipe 5013 is located below the filter cartridge 509.

[0037] A through groove is provided on the front side of the connecting box 507, and a transparent plate 5014 is fixedly connected to the inner wall of the through groove. The transparent plate 5014 is located in front of the suction pipe 5015.

[0038] Example 2: Based on Example 1, a preferred embodiment of the dust suppression device for a straw returning machine provided by this utility model is as follows: Figure 1 , Figure 4 and Figure 5 As shown: The cleaning assembly 51 includes a third rotating rod 511. The left end face of the left output rod of the dual-head motor 504 extends through the right side of the housing 1 into the interior of the housing 1. The left end face of the left output rod of the dual-head motor 504 is fixedly connected to the right end face of the third rotating rod 511. The left end face of the third rotating rod 511 extends through the right side of the filter screen 503 to the left side of the filter screen 503. The surface of the third rotating rod 511 is rotatably connected to the inner wall of the filter screen 503 through a bearing seat. A first cleaning brush 512 is fixedly connected to the left end face of the third rotating rod 511. The right side of the first cleaning brush 512 is slidably connected to the left side of the filter screen 503. By using the cleaning component 51, the third rotating rod 511 rotates, driving the first cleaning brush 512 to rotate, thereby removing the straw shavings attached to the filter screen 503 and preventing the straw shavings from clogging the filter screen 503. At the same time, the second rotating rod 506 drives the filter cylinder 509 to rotate, causing the second cleaning brush 504 to clean the dust attached to the surface of the filter cylinder 509, improving the dust filtration effect of the filter cylinder 509, thereby improving the dust suppression effect of the device on the straw returning machine.

[0039] The front side of the filter cartridge 509 is provided with a second cleaning brush 514 and a connecting plate 513. The front and rear ends of the connecting plate 513 are fixedly connected to the inner side of the connecting box 507 and the front of the second cleaning brush 514, respectively. The rear side of the second cleaning brush 514 is slidably connected to the surface of the filter cartridge 509.

[0040] In operation, straw is fed into the machine housing 1 through the feeding hopper 2. The crushing device 3 crushes the straw, and the crushed straw and dust fall to the bottom of the machine housing 1. The suction pump 5010 is turned on, and the suction pump 5010 drives the suction pipe 5011 to extract the gas from the connecting box 507 and the filter cylinder 509. This causes the dust in the machine housing 1 to be filtered by the filter screen plate 503 and then extracted by the suction pipe 5015. The crushed straw remains in the machine housing 1, while the dust enters the connecting box 507 through the suction pipe 5015. Clean water is added to the connecting box 507 through the water inlet pipe 5012, which wets the dust. After that, the gas is filtered by the filter cylinder 509 and then extracted by the suction pipe 5011. The filter screen 509 further wets the dust. Secondary filtration; The dual-head motor 504 is turned on. The output rod of the dual-head motor 504 drives the connected first rotating rod 505 and third rotating rod 511 to rotate. The first rotating rod 505 drives the bevel gear to rotate. Through the meshing transmission of the two bevel gears, the second rotating rod 506 rotates and drives the filter cylinder 509 to rotate. When the filter cylinder 509 rotates, the second cleaning brush 514 cleans the surface of the filter cylinder 509, thereby removing the dust attached to the surface of the filter cylinder 509. When the third rotating rod 511 rotates, it drives the first cleaning brush 512 to rotate, so that the first cleaning brush 512 removes the straw fragments attached to the filter screen 503, preventing the straw fragments from blocking the dust from being extracted. The baffle is opened to remove the straw fragments from the casing 1.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dust suppression device for feeding a straw returning machine, comprising a machine casing (1); The feeding hopper (2) extends from the top surface of the fixed through-chamber (1) to the inside of the chamber (1); A crushing device (3) is fixedly installed on the inside side of the chassis (1); Two second inclined plates (6) are located above the crushing device (3). The two second inclined plates (6) are symmetrically arranged, and the sides of the two second inclined plates (6) are fixedly connected to the inside side of the machine box (1). The discharge port is opened through the left side of the casing (1), and the baffle (4) is hinged to the left side of the casing (1), characterized in that: A dust suppression component (50) is fixedly connected inside the chassis (1). The surface of the dust suppression component (50) is provided with a cleaning component (51).

2. The dust suppression device for a straw returning machine according to claim 1, characterized in that: The dust suppression component (50) includes a first inclined plate (501) fixedly connected to the inner side of the chassis (1). A support plate (502) is fixedly connected to the bottom surface of the first inclined plate (501). The side of the support plate (502) is fixedly connected to the inner side of the chassis (1). A through hole is opened on the left side of the support plate (502). A filter screen plate (503) is fixedly connected to the inner wall of the through hole. A support block (508) and a connecting box (507) are provided on the right side of the chassis (1). The left and right sides of the support block (508) are fixedly connected to the right side of the chassis (1) and the left side of the connecting box (507) respectively. A filter cartridge (509) is provided inside the connecting box (507). An air suction pump (5010) is fixedly connected to the right side of the connecting box (507). 0) An air suction pipe (5011) is fixedly connected to the top surface of the suction pipe. The bottom surface of the air suction pipe (5011) extends through the top surface of the connecting box (507) and the top surface of the filter cylinder (509) to the inside of the filter cylinder (509). The surface of the air suction pipe (5011) is fixedly connected to the inner wall of the connecting box (507). The surface of the air suction pipe (5011) is rotatably connected to the inner wall of the filter cylinder (509) through a bearing seat. A suction pipe (5015) is provided on the lower left side of the filter cylinder (509). The bottom left side of the suction pipe (5015) is fixedly connected through the top surface inside the connecting box (507) and the right side of the machine box (1) to the inside of the machine box (1). The suction pipe (5015) is located below the first inclined plate (501). A double-head motor (504) is fixedly connected to the right side of the machine box (1).

3. The dust suppression device for a straw returning machine according to claim 2, characterized in that: The cleaning assembly (51) includes a third rotating rod (511). The left end face of the left output rod of the dual-head motor (504) extends through the right side of the casing (1) into the interior of the casing (1). The left end face of the left output rod of the dual-head motor (504) is fixedly connected to the right end face of the third rotating rod (511). The left end face of the third rotating rod (511) extends through the right side of the filter screen plate (503) to the left side of the filter screen plate (503). The surface of the third rotating rod (511) is rotatably connected to the inner wall of the filter screen plate (503) through a bearing seat. A first cleaning brush (512) is fixedly connected to the left end face of the third rotating rod (511). The right side of the first cleaning brush (512) is slidably connected to the left side of the filter screen plate (503).

4. The dust suppression device for a straw returning machine according to claim 2, characterized in that: The bottom surface of the filter cylinder (509) is fixedly connected to a second rotating rod (506). The bottom end of the second rotating rod (506) extends through the bottom surface of the connecting box (507) to the bottom of the connecting box (507). The surface of the second rotating rod (506) is rotatably connected to the inner wall of the connecting box (507) through a bearing seat. The right end of the output rod on the right side of the dual-head motor (504) is fixedly connected to a first rotating rod (505). Both the surface of the first rotating rod (505) and the second rotating rod (506) are fixedly fitted with bevel gears, and the two bevel gears mesh on their inclined surfaces.

5. The dust suppression device for a straw returning machine according to claim 2, characterized in that: The connecting box (507) is provided with an inlet pipe (5012) and an outlet pipe (5013) at the top and bottom respectively. The bottom end of the inlet pipe (5012) and the top end of the outlet pipe (5013) are fixedly inserted through the top and bottom of the connecting box (507) and extend into the interior of the connecting box (507). Valves are provided inside the inlet pipe (5012) and the outlet pipe (5013). The outlet pipe (5013) is located below the filter cylinder (509).

6. The dust suppression device for a straw returning machine according to claim 2, characterized in that: The front side of the connecting box (507) is provided with a through groove, and a transparent plate (5014) is fixedly connected to the inner wall of the through groove. The transparent plate (5014) is located in front of the suction pipe (5015).

7. The dust suppression device for a straw returning machine according to claim 2, characterized in that: The filter cartridge (509) is provided with a second cleaning brush (514) and a connecting plate (513) on the front side. The front and rear ends of the connecting plate (513) are fixedly connected to the inner side of the connecting box (507) and the front of the second cleaning brush (514), respectively. The rear side of the second cleaning brush (514) is slidably connected to the surface of the filter cartridge (509).

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