阅读说明：本技术 一种打包机安全保护装置及方法 (Safety protection device and method for packaging machine ) 是由 高志国 郭永平 张泰宽 陈超 万宝 于 2021-07-23 设计创作，主要内容包括：本发明涉及垃圾打包技术领域,公开了一种打包机安全保护装置,包括装置箱体,所述装置箱体底部设置有安全保护机构和除味清洁机构；所述安全保护机构包括固定筒、轴承、环形槽、红外线传感器、第一电动伸缩缸、推板、连接板和第一方形孔。本发明通过在轴承外侧设置红外线传感器以及推板内部的金属探测传感器,不但可以利用环形设置的多个红外线传感器,从多个角度探测工作人员的距离,从而在工作人员接近时,关闭装置,避免了对工作人员造成伤害,而且在推板内部设置有金属探测传感器,当垃圾中存在金属物时,金属探测传感器会对金属物进行探测,避免了推板挤压垃圾中的金属物造成损坏。(The invention relates to the technical field of garbage packing, and discloses a safety protection device of a packing machine, which comprises a device box body, wherein the bottom of the device box body is provided with a safety protection mechanism and a smell removal cleaning mechanism; the safety protection mechanism comprises a fixed cylinder, a bearing, an annular groove, an infrared sensor, a first electric telescopic cylinder, a push plate, a connecting plate and a first square hole. According to the invention, the infrared sensor and the metal detection sensor in the push plate are arranged on the outer side of the bearing, so that the distance of workers can be detected from multiple angles by utilizing the plurality of infrared sensors arranged in a ring shape, and thus when the workers approach, the device is closed, and the workers are prevented from being injured.)

1. The utility model provides a baling press safety arrangement, includes device box (1), its characterized in that: the bottom of the device box body (1) is provided with a safety protection mechanism and a deodorizing and cleaning mechanism;

the safety protection mechanism comprises a fixed cylinder (8), a bearing (9), an annular groove (10), an infrared sensor (13), a first electric telescopic cylinder (2), a push plate (3), a connecting plate (5) and a first square hole (4); a fixed cylinder (8) is attached to the bottom of the device box body (1), a bearing (9) is connected to the outer side of the fixed cylinder (8) in a penetrating and rotating way, an annular groove (10) is formed in the outer side of the bearing (9), a circle of equidistant bolts on the inner wall of the annular groove (10) are connected with a plurality of infrared sensors (13), the middle part of the top end of the device box body (1) is connected with a first electric telescopic cylinder (2) through a bolt, the bottom of the first electric telescopic cylinder (2) penetrates through the device box body (1) and is fixedly connected with a push plate (3), and a plurality of connecting grooves (16) are arranged on the top of the push plate (3) at equal intervals, the bottom end inside each connecting groove (16) is connected with a metal detection sensor (17) through a bolt, the front side of the bottom of the push plate (3) is fixedly connected with a connecting plate (5), and the front side of the bottom end in the device box body (1) is provided with a first square hole (4);

the odor removing and cleaning mechanism comprises a waterproof motor (19), a motor shaft (20), a wind wheel (21), a sewage filter element (22), a fixing rod (23) and a fan blade (24); the utility model discloses a fan filter, including a fixed cylinder (8), waterproof motor (19) are connected with to the inside bottom bolted connection of fixed cylinder (8), waterproof motor (19) top is rotated and is connected with motor shaft (20), motor shaft (20) top fixedly connected with wind wheel (21), wind wheel (21) top fixedly connected with dead lever (23), dead lever (23) outside fixedly connected with extraction fan leaf (24), the inside fixedly connected with sewage filter core (22) of wind wheel (21), dead lever (23) top fixedly connected with active carbon filter screen board (11).

2. A baler safety protection device as claimed in claim 1, characterised in that: equal fixedly connected with guard plate (12) in both ends about device box (1) front side, guard plate (12) inner wall front end magnetic force is connected with the one end of bar electro-magnet (14), the other end fixedly connected with protection network (15) of bar electro-magnet (14).

3. A baler safety protection device as claimed in claim 1, characterised in that: a plurality of second quad slit (6) have been seted up to inside bottom right side equidistance of device box (1), and the inside fixedly connected with of a plurality of second quad slit (6) separates net (7).

4. A baler safety protection device as claimed in claim 1, characterised in that: the top of the fixed cylinder (8) is of an open structure.

5. A baler safety protection device as claimed in claim 1, characterised in that: circular slot (25) have all been seted up to fixed cylinder (8) top left and right sides, the inside bottom bolted connection of circular slot (25) has second electronic telescoping cylinder (26), second electronic telescoping cylinder (26) top fixedly connected with device box (1).

6. A baler safety protection device as claimed in claim 1, characterised in that: the right side of the device box body (1) is connected with an industrial control computer (27) through a bolt.

7. A baler safety protection device as claimed in claim 6, characterised in that: the signal output ends of the metal detection sensor (17) and the infrared sensor (13) are connected with the signal input end of an industrial personal computer (27), and the signal output end of the industrial personal computer (27) is connected with the signal input ends of the first electric telescopic cylinder (2), the second electric telescopic cylinder (26) and the bar-shaped electromagnet (14).

8. The packaging machine safety protection device and method according to claim 1, characterized in that: the protection plate (12), the push plate (3), the connecting plate (5), the fixing rod (23) and the fixing barrel (18) are all made of waterproof wood materials.

9. A safety protection device for a packaging machine, which is characterized in that the safety protection device for the packaging machine is used as claimed in any one of claims 1-8, and the safety protection method for the packaging machine comprises the following steps:

s1: the method comprises the steps that a first electric telescopic cylinder (2), a second electric telescopic cylinder (26), an industrial personal computer (27), an infrared sensor (13), a strip-shaped electromagnet (14), a metal detection sensor (17) and a waterproof motor (19) are electrically connected with an external power supply, and then the first electric telescopic cylinder (2), the second electric telescopic cylinder (26), the industrial personal computer (27), the infrared sensor (13), the strip-shaped electromagnet (14), the metal detection sensor (17) and the waterproof motor (19) are in signal connection with an external control switch;

s2: after connection is completed, garbage is placed inside the device box body (1), then the first electric telescopic cylinder (2) is opened, the first electric telescopic cylinder (2) is utilized to drive the push plate (3) and the connecting plate (5) to move downwards, in the process that the push plate (3) moves downwards, the metal detection sensor (17) can detect metal objects in the garbage, when the metal objects are detected in the garbage, the metal detection sensor (17) can send a signal to the industrial personal computer (27), and the industrial personal computer (27) is utilized to control the first electric telescopic cylinder (2) to stop;

s3: after infrared sensor (13) in ring channel (10) detected the people, can signal for industrial control computer (27), industrial control computer (27) can control first electronic telescoping cylinder (2) and stop, at rubbish extruded in-process, inside sewage in the rubbish can enter into fixed cylinder (8), at this moment open waterproof motor (19), utilize waterproof motor (19) to drive motor shaft (20), motor shaft (20) drive wind wheel (21) and dead lever (23), dead lever (23) drive extraction fan leaf (24) and active carbon filter screen board (11), filter sewage simultaneously and handle the peculiar smell air suction at top.

Technical Field

The invention relates to the technical field of garbage packaging, in particular to a packaging machine safety protection device and method.

Background

Garbage is a solid or fluid substance that is not needed or used, and in densely populated cities, garbage disposal is a headache problem, and it is common practice to collect and send the garbage to landfill sites for landfill disposal or incinerate the garbage with an incinerator, but both create environmental protection problems, and termination of excessive consumption can further reduce landfill saturation, and garbage disposal in landfill sites can not only pollute underground water and give off odor, but also many cities have less and less area available for landfill.

Patent No. CN201820950583.8 discloses a garbage packer for preventing secondary pollution, which comprises a machine body, wherein a hydraulic steel plate synchronous track is penetrated through the top of the machine body, a second hydraulic pump is fixedly connected to the top of the machine body through a bolt, a second hydraulic cylinder is fixedly connected to the inner top of the machine body through a bolt, one end of the second hydraulic cylinder is connected with a hydraulic steel plate through a hydraulic rod, the hydraulic steel plate is in sliding connection with the hydraulic steel plate synchronous track, a machine body baffle is rotatably connected to the outer wall of one side of the machine body through a hinge, and an oil tank, a second hydraulic pump and a second hydraulic cylinder are fixedly connected to the outer wall of one side of the machine body through bolts, a pushing baffle is arranged inside the machine body of the garbage packer, after the garbage is compressed, the pushing baffle pushes out the packed garbage machine body along a pushing chute through a hydraulic system, so that the secondary infection caused by excessive contact between people and the garbage can be reduced, and the labor can be saved, and the working efficiency is improved.

However, current baling press safety arrangement, at the in-process that uses, can handle the sewage and the peculiar smell of rubbish respectively, but processing apparatus is generally bigger, and need separately set up in addition, occupation space can't combine sewage and peculiar smell processing mechanism together, and current staff is after being close to the device, can't make the device pause voluntarily in addition, avoids the device to cause the injury to the staff, and rubbish can have the metal thing in inside sometimes, at extrusion packing's in-process, can damage extrusion mechanism.

Disclosure of Invention

The invention aims to provide a safety protection device and a method for a packaging machine, which solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a safety protection device of a packing machine comprises a device box body, wherein a safety protection mechanism and a smell removal cleaning mechanism are arranged at the bottom of the device box body;

the safety protection mechanism comprises a fixed cylinder, a bearing, an annular groove, an infrared sensor, a first electric telescopic cylinder, a push plate, a connecting plate and a first square hole; the device comprises a device box body, a fixed cylinder, a bearing, a first electric telescopic cylinder, a push plate, a second electric telescopic cylinder, a first square hole, a second square hole, a third square hole, a fourth square hole, a fifth square hole, a sixth square hole, a fifth square hole, a sixth square hole and a sixth square hole, wherein the third square hole is formed in the upper end of the third square hole;

the odor removal cleaning mechanism comprises a waterproof motor, a motor shaft, a wind wheel, a sewage filter element, a fixed rod and a suction fan blade; the inside bottom bolted connection of solid fixed cylinder has waterproof motor, waterproof motor top rotates and is connected with the motor shaft, motor shaft top fixedly connected with wind wheel, wind wheel top fixedly connected with dead lever, dead lever outside fixedly connected with extraction fan leaf, the inside fixedly connected with sewage filter core of wind wheel, dead lever top fixedly connected with active carbon filters otter board.

According to a preferred embodiment of the invention, the left end and the right end of the front side of the box body of the device are fixedly connected with protection plates, the front end of the inner wall of each protection plate is connected with one end of a strip-shaped electromagnet in a magnetic manner, and the other end of each strip-shaped electromagnet is fixedly connected with a protection net.

As a preferred embodiment of the invention, a plurality of second square holes are equidistantly formed in the right side of the bottom end in the box body of the device, and the inside of the second square holes is fixedly connected with the separation net.

In a preferred embodiment of the present invention, the top of the fixed cylinder is an open structure.

According to a preferred embodiment of the invention, circular grooves are formed in the left side and the right side of the top of the fixed cylinder, a second electric telescopic cylinder is connected to the bottom end inside each circular groove through bolts, and a device box body is fixedly connected to the top of the second electric telescopic cylinder.

In a preferred embodiment of the invention, the right side of the box body of the device is connected with an industrial personal computer through bolts.

As a preferred embodiment of the present invention, the signal output terminals of the metal detection sensor and the infrared sensor are connected to a signal input terminal of an industrial computer, and the signal output terminal of the industrial computer is connected to signal input terminals of the first electric telescopic cylinder, the second electric telescopic cylinder, and the strip-shaped electromagnet.

As a preferred embodiment of the present invention, the protection plate, the push plate, the connection plate, the fixing rod and the fixing cylinder are all made of waterproof wooden materials.

As a preferred embodiment of the present invention, a safety protection device for a packing machine, which is used for the safety protection device for the packing machine, comprises the following steps:

s1: the method comprises the following steps of firstly electrically connecting a first electric telescopic cylinder, a second electric telescopic cylinder, an industrial personal computer, an infrared sensor, a bar-shaped electromagnet, a metal detection sensor and a waterproof motor with an external power supply, and then connecting the first electric telescopic cylinder, the second electric telescopic cylinder, the industrial personal computer, the infrared sensor, the bar-shaped electromagnet, the metal detection sensor and the waterproof motor with an external control switch in a signal mode;

s2: after connection is completed, garbage is placed in the device box body, then the first electric telescopic cylinder is opened, the first electric telescopic cylinder is utilized to drive the push plate and the connecting plate to move downwards, the metal detection sensor can detect metal objects in the garbage in the process that the push plate moves downwards, when the metal objects are detected in the garbage, the metal detection sensor can send a signal to the industrial personal computer, and the industrial personal computer is utilized to control the first electric telescopic cylinder to stop;

s3: after the infrared ray sensor in the ring channel detects the people, can signal for the industrial computer, the industrial computer can control first electronic telescoping cylinder and stop, at rubbish extruded in-process, inside sewage in the rubbish can enter into fixed section of thick bamboo, at this moment open waterproof motor, utilize waterproof motor to drive the motor shaft, the motor shaft drives wind wheel and dead lever, the dead lever drives extraction fan leaf and active carbon filter plate, filter sewage simultaneously and handle the peculiar smell air suction at top.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the infrared sensor and the metal detection sensor in the push plate are arranged on the outer side of the bearing, so that the distance of workers can be detected from multiple angles by using the plurality of infrared sensors arranged in a ring shape, the device is closed when the workers approach, and the workers are prevented from being injured.

2. According to the invention, the wind wheel, the sewage filter element and the exhaust fan blade are arranged in the fixed cylinder, so that the wind wheel, the sewage filter element and the exhaust fan blade can be simultaneously driven to rotate in the operation process of the waterproof motor, thereby filtering sewage and pumping peculiar smell in the box body of the device into the fixed cylinder to simultaneously treat the sewage and the peculiar smell.

3. According to the invention, as the strip-shaped electromagnet and the protective net are arranged on the protective plate, the protective net on the protective plate can be utilized to carry out secondary protection on garbage, and meanwhile, the protective net can be conveniently disassembled and assembled through the strip-shaped electromagnet, so that the protective net is convenient to clean and replace.

4. According to the invention, the second electric telescopic cylinder is arranged in the fixed cylinder, so that the box body of the device can be moved up and down by using the second electric telescopic cylinder, the interior of the fixed cylinder can be cleaned conveniently, and the activated carbon filter screen plate can be replaced conveniently.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic diagram of the overall structure of a safety protection device and method for a packer according to the present invention;

FIG. 2 is a schematic view of the ring groove structure of the device and method for protecting the safety of a packaging machine according to the present invention;

FIG. 3 is a schematic diagram of the front view structure of the safety protection device and method for a packer of the present invention;

FIG. 4 is a schematic view of the internal structure of the connecting slot of the device and method for protecting the safety of a packing machine according to the present invention;

fig. 5 is a schematic view of the internal structure of a fixed cylinder of the device and method for protecting the safety of a packaging machine.

In the figure: 1. a device case; 2. a first electric telescopic cylinder; 3. pushing the plate; 4. a first square hole; 5. a connecting plate; 6. a second square hole; 7. separating the net; 8. a fixed cylinder; 9. a bearing; 10. an annular groove; 11. an active carbon filter screen plate; 12. a protection plate; 13. an infrared sensor; 14. a strip-shaped electromagnet; 15. a protective net; 16. connecting grooves; 17. a metal detection sensor; 18. a fixed cylinder; 19. a waterproof motor; 20. a motor shaft; 21. a wind wheel; 22. a sewage filter element; 23. fixing the rod; 24. an extraction fan blade; 25. a circular groove; 26. a second electric telescopic cylinder; 27, an industrial control computer.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution: a safety protection device for a packing machine comprises a device box body 1, wherein a safety protection mechanism and a smell removal cleaning mechanism are arranged at the bottom of the device box body 1;

the safety protection mechanism comprises a fixed cylinder 8, a bearing 9, an annular groove 10, an infrared sensor 13, a first electric telescopic cylinder 2, a push plate 3, a connecting plate 5 and a first square hole 4; the device comprises a device box body 1, a fixed cylinder 8, a bearing 9, a ring-shaped groove 10, a plurality of infrared sensors 13, a circle of equidistant bolts on the inner wall of the ring-shaped groove 10, a first electric telescopic cylinder 2, a push plate 3, a plurality of connecting grooves 16, a metal detection sensor 17, a connecting plate 5 and a first square hole 4, wherein the fixed cylinder 8 is attached to the bottom of the device box body 1 in a laminating manner, the bearing 9 is connected to the outer side of the fixed cylinder 8 in a penetrating and rotating manner, the annular groove 10 is formed in the outer side of the bearing 9, the first electric telescopic cylinder 2 is connected to the middle of the top of the device box body 1 in a bolt connection manner, the bottom of the first electric telescopic cylinder 2 penetrates through the device box body 1 and is fixedly connected with the push plate 3, the top of the push plate 3 is provided with the plurality of connecting grooves 16 in an equidistant manner, the bottom of each connecting groove 16 is connected with a metal detection sensor 17, the front side of the bottom of the push plate 3 is fixedly connected with the connecting plate 5, and the front side of the inner bottom of the device box body 1 is provided with the first square hole 4;

the odor removing and cleaning mechanism comprises a waterproof motor 19, a motor shaft 20, a wind wheel 21, a sewage filter core 22, a fixing rod 23 and a suction fan blade 24; the inside bottom bolted connection of solid fixed cylinder 8 has waterproof motor 19, 19 tops of waterproof motor rotate and are connected with motor shaft 20, 20 top fixedly connected with wind wheels of motor shaft 21, 21 top fixedly connected with dead lever 23 of wind wheel, the dead lever 23 outside fixedly connected with extraction fan leaf 24, the inside fixedly connected with sewage filter core 22 of wind wheel 21, dead lever 23 top fixedly connected with active carbon filter plate 11.

It should be noted that, the first electric telescopic cylinder 2, the second electric telescopic cylinder 26, the industrial personal computer 27, the infrared sensor 13, the strip-shaped electromagnet 14, the metal detection sensor 17 and the waterproof motor 19 are electrically connected with an external power supply, then the first electric telescopic cylinder 2, the second electric telescopic cylinder 26, the industrial personal computer 27, the infrared sensor 13, the strip-shaped electromagnet 14, the metal detection sensor 17 and the waterproof motor 19 are connected with an external control switch through signals, after the connection is completed, the garbage is placed in the device box 1, then the first electric telescopic cylinder 2 is opened, the first electric telescopic cylinder 2 is utilized to drive the push plate 3 and the connecting plate 5 to move downwards, in the process that the push plate 3 moves downwards, the metal detection sensor 17 can detect metal objects in the garbage, when metal objects are detected in the garbage, the metal detection sensor 17 can send signals to the industrial personal computer 27, utilize the first electronic telescoping cylinder 2 of industrial control computer 27 control to stop, after infrared sensor 13 in the ring channel 10 detects the people, can signal for industrial control computer 27, industrial control computer 27 can control first electronic telescoping cylinder 2 and stop, at rubbish extruded in-process, inside sewage in the rubbish can enter into fixed cylinder 8, at this moment open waterproof motor 19, utilize waterproof motor 19 to drive motor shaft 20, motor shaft 20 drives wind wheel 21 and dead lever 23, dead lever 23 drives extraction fan leaf 24 and active carbon filter screen board 11, filter sewage simultaneously and handle the peculiar smell air suction at top.

Referring to fig. 1 in this embodiment, protection plates 12 are fixedly connected to the left and right ends of the front side of the device case 1, one end of a bar-shaped electromagnet 14 is magnetically connected to the front end of the inner wall of the protection plate 12, and a protection net 15 is fixedly connected to the other end of the bar-shaped electromagnet 14.

It should be noted that, the protection net 15 on the protection plate 12 is used to perform secondary protection on the garbage, and meanwhile, the protection net 15 can be conveniently disassembled and assembled by opening and closing the strip-shaped electromagnet 14.

In this embodiment, referring to fig. 1, a plurality of second square holes 6 are equidistantly formed in the right side of the bottom end inside the box body 1 of the device, and a separation net 7 is fixedly connected inside the second square holes 6.

In the embodiment, referring to fig. 1, the top of the fixed cylinder 8 is an open structure.

Referring to fig. 1 in this embodiment, circular grooves 25 are formed in the left and right sides of the top of the fixed cylinder 8, a second electric telescopic cylinder 26 is connected to the bottom end of the inside of the circular groove 25 through a bolt, and a device box 1 is fixedly connected to the top of the second electric telescopic cylinder 26.

It should be noted that, since the second electric telescopic cylinder 26 is provided inside the fixed cylinder 8, after the second electric telescopic cylinder 26 is opened, the apparatus case 1 can be moved up and down by using the second electric telescopic cylinder 26, which is convenient for cleaning the inside of the fixed cylinder 18.

In the embodiment, referring to fig. 1, the right side of the device case 1 is connected with an industrial computer 27 through bolts.

In the embodiment, referring to fig. 1, the right side of the device case 1 is connected with an industrial computer 27 through bolts.

In this embodiment, referring to fig. 1, the signal output terminals of the metal detection sensor 17 and the infrared sensor 13 are connected to a signal input terminal of an industrial computer 27, and the signal output terminal of the industrial computer 27 is connected to the signal input terminals of the first electric telescopic cylinder 2, the second electric telescopic cylinder 26, and the bar-shaped electromagnet 14.

In the embodiment, referring to fig. 1, the protection plate 12, the push plate 3, the connection plate 5, the fixing rod 23 and the fixing cylinder 18 are all made of waterproof wood materials.

Referring to fig. 1 in the embodiment, a security protection device for a packing machine, which is used in the security protection method for a packing machine, includes the following steps:

s1: the method comprises the steps that a first electric telescopic cylinder 2, a second electric telescopic cylinder 26, an industrial personal computer 27, an infrared sensor 13, a strip-shaped electromagnet 14, a metal detection sensor 17 and a waterproof motor 19 are electrically connected with an external power supply, and then the first electric telescopic cylinder 2, the second electric telescopic cylinder 26, the industrial personal computer 27, the infrared sensor 13, the strip-shaped electromagnet 14, the metal detection sensor 17 and the waterproof motor 19 are in signal connection with an external control switch;

s2: after connection is completed, garbage is placed in the device box body 1, then the first electric telescopic cylinder 2 is opened, the first electric telescopic cylinder 2 is used for driving the push plate 3 and the connecting plate 5 to move downwards, the metal detection sensor 17 can detect metal objects in the garbage in the process that the push plate 3 moves downwards, when the metal objects are detected in the garbage, the metal detection sensor 17 can send signals to the industrial personal computer 27, and the industrial personal computer 27 is used for controlling the first electric telescopic cylinder 2 to stop;

s3: after the infrared sensor 13 in the ring channel 10 detects people, can signal for industrial computer 27, industrial computer 27 can control first electronic telescoping cylinder 2 and stop, at rubbish extruded in-process, inside the sewage in the rubbish can enter into fixed cylinder 8, at this moment open waterproof motor 19, utilize waterproof motor 19 to drive motor shaft 20, motor shaft 20 drives wind wheel 21 and dead lever 23, dead lever 23 drives extraction fan leaf 24 and active carbon filter screen board 11, filter sewage simultaneously and handle the peculiar smell air suction at top.

When the safety protection device and the method for the packing machine are used, the safety protection device and the method for the packing machine are described, and the safety protection device comprises a device box body 1; 2. a first electric telescopic cylinder; 3. pushing the plate; 4. a first square hole; 5. a connecting plate; 6. a second square hole; 7. separating the net; 8. a fixed cylinder; 9. a bearing; 10. an annular groove; 11. an active carbon filter screen plate; 12. a protection plate; 13. an infrared sensor; 14. a strip-shaped electromagnet; 15. a protective net; 16. connecting grooves; 17. a metal detection sensor; 18. a fixed cylinder; 19. a waterproof motor; 20. a motor shaft; 21. a wind wheel; 22. a sewage filter element; 23. fixing the rod; 24. an extraction fan blade; 25. a circular groove; 26. a second electric telescopic cylinder; 27, industrial control computer, parts are all general standard parts or parts known to those skilled in the art, and the structure and principle of the parts are known to those skilled in the art through technical manuals or through routine experimental methods.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.