Cotton picker and blowback air filter thereof

Abstract

The reverse blowing air filter comprises a rough filtration channel, a rough filtration tank and a fine filtration tank, the rough filtration tank is communicated with an air inlet pipe through the rough filtration channel, a primary filtration opening is formed in the joint of the rough filtration tank and the air inlet pipe, tank openings of the fine filtration tank and the rough filtration tank are arranged on the same side, and side covers are arranged on the outer sides of the tank openings. And an inner cavity communicated with the rough filtering tank and the fine filtering tank is formed in the side cover. A blowback air filter is arranged at the bottom of a frame of the cotton picker, the rough filtering tank and the fine filtering tank are mounted on the frame through a fixing seat, and an air outlet pipe of the blowback air filter is communicated with an engine on the frame. After the blowback air filter is installed on the cotton picker, the blowback connector is connected with an air pump on the cotton picker, the air pump is started regularly, blows air into the air filter and cleans the interior of the air filter, the maintenance frequency of the air filter can be reduced, meanwhile, two filtering structures of the rough filtering channel, the rough filtering tank and the fine filtering tank are adopted, the filtering effect is greatly improved, and the service life of an engine is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to cotton picking machine technical field especially is related to a cotton picking machine back flush air filter and its cotton picking machine. BACKGROUND

[0002] The cotton planting range is quite extensive in China, and the cotton picking mainly relies on manpower before, which has high labor intensity and low efficiency. With the continuous improvement of agricultural mechanization level in China, developing large-scale machine picking cotton has become the general trend of China's cotton industry, so the cotton picking machine appears in the market. Through the use of the cotton picking machine, the cotton picking speed can be effectively improved, and higher income is created for the cotton picker. The main structure of the cotton picking machine includes a frame, a picking head, a cotton collecting bin and a packing bin. The picking head collects cotton, the collected cotton is transported to the cotton collecting bin, and then the cotton is sent to the packing bin for packing.

[0003] The cotton picking machine mainly performs cotton picking work in the cotton field, and the environment of the cotton field is very bad, full of dust, soil and plant debris. These sundries can reduce the combustion coefficient of the engine, greatly increase the oil consumption value, and even cause serious early wear of the engine, which is directly related to the service life of the engine. Therefore, an air filter is installed at the cyclone pipe of the engine. The traditional air filter has simple structure and can only perform simple filtration, and needs to be cleaned and maintained regularly to prevent the filter screen from being blocked. SUMMARY

[0004] In view of the above problems, the utility model aims at providing a cotton picking machine back flush air filter and its cotton picking machine, which can reduce the maintenance frequency, greatly improve the filtration effect and prolong the service life of the engine.

[0005] In order to solve the above technical problems, the first technical scheme adopted by the utility model is as follows: a cotton picking machine back flush air filter, comprising a coarse filter channel, a coarse filter tank and a fine filter tank, the coarse filter tank is communicated with the air inlet pipe through the coarse filter channel, and an initial filter opening is arranged at the connection position, the tank openings of the fine filter tank and the coarse filter tank are arranged on the same side, and a side cover is arranged outside the tank openings, the side cover has an inner cavity communicating the coarse filter tank and the fine filter tank, an air outlet pipe is arranged at the tank opening of the fine filter tank, the air outlet pipe penetrates the side cover and is connected with the engine, a back flush connector is arranged at the tank opening of the coarse filter tank, and the back flush connector penetrates the side cover and is connected with the air pump.

[0006] In the above technical scheme, a cylindrical filter core is arranged in each of the coarse filter tank and the fine filter tank, and the opening of the filter core faces the tank opening.

[0007] In the above technical scheme, a plurality of air holes are arranged at the outer periphery of the air outlet pipe of the tank opening of the fine filter tank, and the air holes are arranged in a ring shape along the position of the filter core.

[0008] In the above technical solution, the other end of the coarse filter tank is provided with multiple cleaning ports, which are arranged in a ring at the bottom of the coarse filter tank and are equipped with plugs.

[0009] In the above technical solution, the primary filter port is provided with a plurality of swirling tubes arranged in a matrix, and the swirling tubes are provided with blades.

[0010] In the above technical solution, the coarse filter channel is inclinedly arranged between the air inlet pipe and the primary filter port.

[0011] In the above technical solution, the side cover includes a cover plate, a bottom plate, and a barrier, which together form an inner cavity connecting the coarse filter tank and the fine filter tank.

[0012] To solve the above-mentioned technical problems, the second technical solution adopted by this utility model is as follows: a cotton harvester has a frame, the bottom of the frame is provided with the above-mentioned back-blowing air filter, the coarse filter canister and the fine filter canister are mounted on the frame by a fixed seat, and the air outlet pipe of the back-blowing air filter is connected to the engine on the frame.

[0013] In the above technical solution, two backflush air filters are arranged in pairs at the bottom of the vehicle frame.

[0014] In summary, the advantages of the technical solution of this utility model compared with traditional technical means are as follows: After the back-blowing air filter of this utility model is installed on the cotton harvester, the back-blowing connector is connected to the air pump on the cotton harvester. The air pump is started periodically to blow air into the air filter to clean the inside, which can reduce the maintenance frequency of the air filter. At the same time, the use of two filtration structures, namely a coarse filter channel, a coarse filter canister and a fine filter canister, greatly improves the filtration effect and can extend the engine oil change cycle by 15% to 25%.

[0015] Reduce engine failure rate, eliminate premature engine wear and shortened lifespan caused by dust, and allow the engine to reach its normal designed lifespan. Attached Figure Description

[0016] The foregoing and other objects, features and advantages of this invention will become apparent from the following detailed description taken in conjunction with the accompanying drawings.

[0017] Figure 1 This is a three-dimensional structural diagram of the backflush air filter in this utility model;

[0018] Figure 2 for Figure 1 A diagram showing the view from below;

[0019] Figure 3 for Figure 1 Front view diagram;

[0020] Figure 4 for Figure 1A perspective view of the side cover plate removed;

[0021] Figure 5 A front view of the present application; Figure 4

[0022] Figure 6 A front view of the present application; Figure 1 A perspective view of the upper part of the coarse filter channel removed;

[0023] Figure 7 A top view of the present application; Figure 6

[0024] A cross-sectional view of the coarse filter tank in the present application; Figure 8

[0025] A schematic view of the cotton picking machine in the present application; Figure 9

[0026] Reference signs are as follows: 100, back flushing air filter; 110, coarse filter channel; 120, coarse filter tank; 121, back flushing joint; 122, cleaning port; 123, plug; 130, fine filter tank; 131, air outlet pipe; 132, air vent; 140, air inlet pipe; 150, primary filter port; 151, cyclone pipe; 152, blade; 160, side cover; 161, cover plate; 162, bottom plate; 163, fence; 170, filter core; 180, fixing seat; 200, frame. DETAILED DESCRIPTION

[0027] The following is based on the ideal embodiment of the present application, through the following description, relevant staff can certainly make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content of the specification, and must be determined according to the scope of the claims.

[0028] The present application is further illustrated with reference to the following drawings:

[0029] Example 1

[0030] As Figures 1 to 8 ​​As shown in the drawing, a kind of cotton picker backflushing air filter 100, including coarse filter channel 110, coarse filter tank 120 and fine filter tank 130, the coarse filter tank 120 is communicated with air inlet pipe 140 by coarse filter channel 110, and the junction is equipped with primary filter mouth 150, the tank mouth of fine filter tank 130 and coarse filter tank 120 is arranged on the same side, and the outside of tank mouth is equipped with side cover 160, the side cover 160 has the inner chamber of the communication coarse filter tank 120 and fine filter tank 130, the tank mouth of fine filter tank 130 is equipped with air outlet pipe 131, the air outlet pipe 131 is connected with engine by passing through side cover 160, the tank mouth of coarse filter tank 120 is equipped with backflushing connector 121, the backflushing connector 121 is connected with air pump by passing through side cover 160.

[0031] As shown in the drawing, Figure 8 The cylindrical filter core 170 is arranged in the coarse filter tank 120 and fine filter tank 130, and the opening of filter core 170 faces the tank mouth.

[0032] As shown in the drawing, Figure 4 、 5 The air outlet pipe 131 of the tank mouth of fine filter tank 130 is equipped with a plurality of air holes 132, the air holes 132 are arranged in annular shape along the position of filter core 170, the gas from coarse filter tank 120 enters fine filter tank 130 through air holes 132, and after being filtered by filter core 170, enters engine by air outlet pipe 131.

[0033] The other end of coarse filter tank 120 is equipped with a plurality of cleaning ports 122, the cleaning ports 122 are arranged in annular shape at the bottom of coarse filter tank 120, and plug 123 is arranged on cleaning port 122.

[0034] As shown in the drawing, Figure 6 、 7 The primary filter mouth 150 is equipped with a plurality of cyclone tubes 151 arranged in matrix, the cyclone tubes are equipped with blades 152, coarse filter channel 110 can preliminarily screen out large-particle impurities, which are retained in coarse filter channel 110 after being screened out by cyclone tubes 151, and the dust is pre-cyclone filtered by periodically opening coarse filter channel 110 for cleaning, thereby improving the filtering efficiency.

[0035] As shown in the drawing, Figure 1 、 3 5, 6, the coarse filter channel 110 is arranged between air inlet pipe 140 and primary filter mouth 150.

[0036] As shown in the drawing, Figure 8 The side cover 160 includes cover plate 161, bottom plate 162 and fence 163, the cover plate 161, bottom plate 162 and fence 163 form the inner chamber of the communication coarse filter tank 120 and fine filter tank 130, and the side cover 160 communicates coarse filter tank 120 and fine filter tank 130, and also ensures the normal use of air outlet pipe 131 and backflushing connector 121.

[0037] Embodiment two:

[0038] As Figure 9 shown, a cotton picker has a frame 200, the bottom of which is provided with the back-blowing air filter 100 described in Embodiment one, the rough filter tank 120 and the fine filter tank 130 are mounted on the frame 200 through the fixing seat 180, and the back-blowing air filter 100 is communicated with the engine on the frame.

[0039] The bottom of the frame 200 is provided with two back-blowing air filters 100 in pairs.

[0040] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A reverse air filter for a cotton picker, characterized by: The filter comprises a coarse filter channel, a coarse filter tank and a fine filter tank, the coarse filter tank is communicated with the air inlet pipe through the coarse filter channel, and an initial filter port is arranged at the joint, the tank ports of the fine filter tank and the coarse filter tank are arranged on the same side, and a side cover is arranged outside the tank ports, the side cover has an inner cavity communicating the coarse filter tank and the fine filter tank, the tank port of the fine filter tank is provided with an air outlet pipe, the air outlet pipe penetrates through the side cover and is connected with the engine, the tank port of the coarse filter tank is provided with a back flushing joint, and the back flushing joint penetrates through the side cover and is connected with the air pump.

2. The reverse air filter for a cotton picker as set forth in claim 1, wherein: The filter core is arranged in the coarse filter tank and the fine filter tank, and the filter core opening faces the tank port.

3. The reverse air filter for a cotton picker as set forth in claim 2, wherein: A plurality of air holes are arranged on the outer periphery of the air outlet pipe of the tank port of the fine filter tank, and the air holes are arranged in a ring shape along the position of the filter core.

4. The reverse air filter for a cotton picker as set forth in claim 1, wherein: A plurality of cleaning ports are arranged on the other end of the coarse filter tank, the cleaning ports are arranged in a ring shape on the bottom of the coarse filter tank, and a plug is arranged on the cleaning port.

5. The reverse air filter for a cotton picker as claimed in claim 1, wherein: A plurality of cyclone tubes arranged in a matrix are arranged at the initial filter port, and the cyclone tube is provided with a blade.

6. The reverse air filter for a cotton picker as claimed in claim 1, wherein: The coarse filter channel is arranged obliquely between the air inlet pipe and the initial filter port.

7. The reverse air filter for a cotton picker as set forth in claim 1, wherein: The side cover comprises a cover plate, a bottom plate and a fence, and the cover plate, the bottom plate and the fence form the inner cavity communicating the coarse filter tank and the fine filter tank.

8. A cotton harvester having a frame, characterized by: The bottom of the vehicle frame is provided with the back flushing air filter of any one of claims 1-7, the coarse filter tank and the fine filter tank are arranged on the vehicle frame through the fixing seat, and the air outlet pipe of the back flushing air filter is communicated with the engine on the vehicle frame.

9. The cotton harvester of claim 8, wherein: The bottom of the vehicle frame is provided with two back flushing air filters arranged in pairs.

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