Harmful gas treatment device for preventing occupational diseases

Abstract

The invention relates to the technical field of harmful gas treatment, and one embodiment of the invention provides a harmful gas treatment device for occupational disease protection, which comprises a treatment box, an air inlet pipe, a conveying hose, an air inlet fan, a fixing frame, a filtering mechanism and an adsorption mechanism, the air inlet pipe is fixedly connected to the air inlet, one end of the air inlet pipe extends into the treatment box through the air inlet, the bottom end of the conveying hose is communicated with the top end of the air inlet pipe, the top end of the conveying hose is communicated with a gathering box through a connecting assembly, the air inlet fan is installed in the gathering box, the fixing frame is fixedly connected to one side of the treatment box, and an adjusting mechanism is arranged in the fixing frame. According to the technical scheme, the harmful gas treatment device is used for solving the technical problems that in the prior art, a harmful gas treatment device is poor in universality, each discharge point is provided with a special device, and the purchase cost is increased.

Description

TECHNICAL FIELD

[0001] Embodiments of the present disclosure relate to the technical field of harmful gas treatment, in particular, to a harmful gas treatment device for occupational disease prevention. BACKGROUND

[0002] In modern industrial production, in the workshop environment of many industries such as chemical industry, electroplating, painting, printing, etc., a large amount of harmful gas with complex components will be continuously generated. These harmful gases are various, for example, in a chemical synthesis workshop, a variety of toxic and harmful gases will be released during the chemical reaction process, in an electroplating workshop, harmful gases such as acid mist will also spread in the working environment, or when workers use electric welding, welding fumes will be generated. These harmful gases pose a serious threat to the health of workers who are in the environment for a long time. Long-term inhalation of volatile organic compounds by workers may cause damage to the respiratory system, causing diseases such as cough, asthma, bronchitis, and even damage to important organs such as the nervous system, liver and kidney, and increase the risk of cancer. According to relevant medical research statistics, workers who are exposed to harmful gases in the working environment for a long time have a higher probability of suffering from occupational diseases than people in normal environments.

[0003] The existing harmful gas treatment device is designed for a single harmful gas emission environment, and is difficult to cope with harmful gases with different components, concentrations and scales emitted by different processing positions and equipment. It is designed for specific emission sources and has poor universality. Each emission point needs to be equipped with a special device, which increases the procurement cost, occupies more space, and significantly increases the overall use cost of enterprises. SUMMARY

[0004] To overcome the above defects, embodiments of the present disclosure provide a harmful gas treatment device for occupational disease prevention, which solves the technical problem of poor universality of the existing harmful gas treatment device, and each emission point needs to be equipped with a special device, which increases the procurement cost.

[0005] According to one aspect, at least one embodiment of the present disclosure provides a harmful gas treatment device for occupational disease prevention, comprising a treatment box, an air inlet and an air outlet are formed on the treatment box, further comprising: an air inlet pipe, a conveying hose, an air inlet fan, a fixing frame, a filtering mechanism and an adsorption mechanism, the air inlet pipe is fixedly connected at the air inlet, one end of the air inlet pipe extends into the treatment box through the air inlet, the bottom end of the conveying hose is in communication with the top end of the air inlet pipe, the top end of the conveying hose is in communication with a converging box through a connecting assembly, the connecting assembly is used for disassembling and assembling the converging box, the air inlet fan is installed in the converging box, the fixing frame is fixedly connected on one side of the treatment box, the fixing frame is provided with an adjusting mechanism, the adjusting mechanism is used for adjusting the angle of the converging box, the filtering mechanism is arranged in the treatment box and used for filtering the harmful gas, and the adsorption mechanism is arranged at the bottom of the treatment box and used for adsorbing impurities in the harmful gas.

[0006] In order to adjust the angle of the air inlet, the adjusting mechanism comprises: two sliding blocks, a rotating frame, a rotating assembly and a lifting assembly, two sliding blocks are arranged, two sliding grooves are formed on the fixing frame, and the two sliding blocks are respectively slidably connected in the two sliding grooves, the two ends of the rotating frame are respectively rotatably connected with the two sliding blocks, the conveying hose is arranged on the rotating frame through a fixing ring, the rotating assembly is arranged on the fixing frame and used for driving the angle rotation of the rotating frame, and the lifting assembly is arranged on the fixing frame and used for driving the lifting movement of the rotating frame and the conveying hose.

[0007] In order to drive the rotating frame to swing, the rotating assembly comprises: a rotating gear, a driving gear and a first motor, the rotating gear is fixedly connected on the rotating frame, the driving gear is engaged with the rotating gear, and the first motor is installed on one of the sliding blocks, the output end of the first motor penetrates through the sliding block and is fixedly connected with the driving gear.

[0008] In order to adjust the height of the converging box, the lifting assembly comprises: a driving block, a driving screw and a second motor, the driving block is fixedly connected on one side of the other sliding block, the top end of the driving screw is rotatably connected with the fixing frame, a screw hole is formed on the driving block, the driving screw is screwedly connected in the screw hole, the second motor is installed on the top end of the fixing frame, and the output end of the second motor penetrates through the fixing frame and is fixedly and axially connected with the top end of the driving screw.

[0009] In order to filter the harmful gas, the filtering mechanism comprises: two sliding frames, a sealing plate, a filter element and an air outlet fan, two sliding grooves and two replacement openings are formed on the treatment box, two sliding frames are slidably connected in the two sliding grooves, the sealing plate is arranged at the two replacement openings, the filter element is fixedly connected in the two sliding frames, and the air outlet fan is installed at the air outlet.

[0010] In order to adsorb the impurities in the harmful gas, the adsorption mechanism comprises: a rotating shaft, a plurality of electrostatic adsorption plates, a first bevel gear and a power assembly, the rotating shaft is rotatably connected in the treatment box, the plurality of electrostatic adsorption plates are fixedly connected on the rotating shaft, the first bevel gear is fixedly connected at the bottom end of the rotating shaft, and the power assembly is arranged in the treatment box and used for driving the first bevel gear to rotate.

[0011] In order to drive the electrostatic adsorption plates to swing, the power assembly comprises: a rotating rod, a second bevel gear and a third motor, the rotating rod is rotatably connected in the treatment box, the second bevel gear is fixedly connected on the rotating rod, the second bevel gear is engaged with the first bevel gear, the third motor is installed on one side of the treatment box, and the output end of the third motor penetrates through the treatment box and is connected with one end of the rotating rod.

[0012] In order to disassemble the gathering box and the conveying hose, the connecting assembly comprises: a connecting pipe and a locking bolt, the connecting pipe is communicated on the gathering box, the other end of the connecting pipe is sleeved on the conveying hose, a screw hole is formed in the connecting pipe, and the locking bolt is screw-connected in the screw hole.

[0013] In order to support the movement of the treatment box, the bottom end of the treatment box is fixedly connected with a bottom plate, a plurality of self-locking universal wheels are installed at the bottom end of the bottom plate, and the top end of the bottom plate is fixedly connected with a pushing frame.

[0014] In order to improve the stability of the rotating shaft during rotation, the treatment box is fixedly connected with a supporting plate, and the rotating shaft is rotatably connected on the supporting plate.

[0015] The embodiment of the present disclosure has the following beneficial effects: In the present disclosure, the gathering box can be disassembled through the arrangement of the connecting assembly, the conveying hose can be communicated with the exhaust pipe of the device when the gathering box is disassembled, the harmful gas in the surrounding environment can be absorbed when the gathering box is installed on the conveying hose, the angle of the gathering box can be adjusted through the arrangement of the adjusting mechanism when the harmful gas in the surrounding environment is collected, the purification liquid is added in the treatment box, the harmful gas enters the purification liquid for preliminary purification when the harmful gas enters the treatment box, the harmful gas is filtered through the arrangement of the filtering mechanism, and the impurities in the harmful gas can be adsorbed through the arrangement of the adsorption mechanism, thereby improving the filtering efficiency of the harmful gas, and the universality is high, and the use cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments of the present disclosure will be briefly introduced. Obviously, the drawings in the following description are only some example embodiments of the present disclosure. For those skilled in the art, other drawings can be obtained according to the contents of the example embodiments of the present disclosure and the drawings without any creative effort.

[0017] Figure 1 for an embodiment of the present disclosure; Figure 2 for another angle structure schematic view of an embodiment of the present disclosure; Figure 3 for a structure schematic view of a cross section of an embodiment of the present disclosure; Figure 4 for an adjustment mechanism structure schematic view of an embodiment of the present disclosure; Figure 5 for an adsorption mechanism structure schematic view of an embodiment of the present disclosure; Figure 6 for an embodiment of the present disclosure Figure 1 for a structure schematic view of a local amplification at A in the figure; Figure 7 for an embodiment of the present disclosure Figure 2 for a structure schematic view of a local amplification at B in the figure.

[0018] In the figure: 1, processing box; 2, air inlet pipe; 3, conveying hose; 4, gathering box; 5, air inlet fan; 6, fixing frame; 7, sliding block; 8, rotating frame; 9, fixing ring; 10, rotating gear; 11, driving gear; 12, first motor; 13, driving block; 14, driving screw; 15, second motor; 16, sliding frame; 17, sealing plate; 18, filter core; 19, air outlet fan; 20, rotating shaft; 21, electrostatic adsorption plate; 22, first bevel gear; 23, rotating rod; 24, second bevel gear; 25, third motor; 26, connecting pipe; 27, locking bolt; 28, bottom plate; 29, self-locking universal wheel; 30, pushing frame. DETAILED DESCRIPTION The present disclosure will be further described below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present disclosure, but not to limit the present disclosure.

[0019] For the purpose of clarity, only the parts of the apparatus that are pertinent to the disclosure have been shown in the drawings, and they do not necessarily represent the actual size or shape of the product. In addition, in some of the drawings, parts that have the same structure or function are denoted by the same reference numerals, and only one of them is shown schematically for the sake of simplicity of the drawings. In this document, "one" does not mean "only one", but can mean "more than one", and "several" includes "two" and "more than two".

[0020] In this document, unless otherwise explicitly specified and limited, the terms "mount", "connected", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be direct connection, can also be indirect connection through an intermediate medium, can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances.

[0021] In the present disclosure, unless otherwise explicitly specified and limited, "on" or "under" of the first feature to the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, "on", "above" and "on" of the first feature to the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. "Under", "below" and "under" of the first feature to the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0022] In the description of the present embodiment, the terms "upper", "lower", "left", "right" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present disclosure.

[0023] In addition, in the description of the present application, the terms "first", "second" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0024] As Figures 1-7As shown, it shows a harmful gas treatment device for occupational disease prevention in an embodiment of the present disclosure, comprising a treatment box 1, the treatment box 1 is provided with an air inlet and an air outlet, further comprising: air inlet pipe 2, conveying hose 3, air inlet fan 5, fixing frame 6, filtering mechanism and adsorption mechanism, the bottom end of the bottom plate 28 is fixedly connected with the bottom plate 28, the bottom end of the bottom plate 28 is installed with a plurality of self-locking universal wheels 29, the top end of the bottom plate 28 is fixedly connected with the push frame 30, the air inlet pipe 2 is fixedly connected at the air inlet, one end of the air inlet pipe 2 extends into the treatment box 1 through the air inlet, the bottom end of the conveying hose 3 is communicated with the top end of the air inlet pipe 2, the top end of the conveying hose 3 is communicated with the gathering box 4 through the connecting assembly, the connecting assembly is used for disassembling the gathering box 4, the connecting assembly comprises: connecting pipe 26 and locking bolt 27, the connecting pipe 26 is communicated on the gathering box 4, the other end of the connecting pipe 26 is sleeved on the conveying hose 3, the connecting pipe 26 is provided with a threaded hole, and the locking bolt 27 is screwed in the threaded hole, the air inlet fan 5 is installed in the gathering box 4, the fixing frame 6 is fixedly connected on one side of the treatment box 1, the fixing frame 6 is provided with an adjusting mechanism, the adjusting mechanism is used for adjusting the angle of the gathering box 4, the filtering mechanism is arranged in the treatment box 1, and the filtering mechanism is used for filtering the harmful gas, the adsorption mechanism is arranged at the inner bottom of the treatment box 1, and the adsorption mechanism is used for adsorbing the impurities in the harmful gas. Through the arrangement of the connecting assembly, the gathering box 4 can be disassembled, the conveying hose 3 can be communicated with the exhaust pipe of the equipment when the gathering box 4 is disassembled, the harmful gas in the surrounding environment can be absorbed when the gathering box 4 is installed on the conveying hose 3, in addition, when collecting the harmful gas in the surrounding environment, the angle of the gathering box 4 is adjusted through the arrangement of the adjusting mechanism, the purification liquid is added in the treatment box 1, when the harmful gas enters the treatment box 1, it first enters the purification liquid for preliminary purification, and through the arrangement of the filtering mechanism, the harmful gas is filtered, and through the arrangement of the adsorption mechanism, the impurities in the harmful gas are adsorbed, the filtering efficiency of the harmful gas is improved, and the universality is high, and the use cost is reduced.

[0025] The adjusting mechanism comprises the sliding blocks 7, the rotating frame 8, a rotating assembly and a lifting assembly, the sliding blocks 7 are provided in two numbers, two sliding grooves are formed in the fixed frame 6, the two sliding blocks 7 are slidingly connected in the two sliding grooves respectively, the two ends of the rotating frame 8 are rotatably connected with the two sliding blocks 7 respectively, the conveying hose 3 is arranged on the rotating frame 8 through the fixing ring 9, the rotating assembly is arranged on the fixed frame 6 and used for driving the angle rotation of the rotating frame 8, the lifting assembly is arranged on the fixed frame 6 and used for driving the lifting movement of the rotating frame 8 and the conveying hose 3, the rotating assembly comprises the rotating gear 10, the driving gear 11 and the first motor 12, the rotating gear 10 is fixedly connected on the rotating frame 8, the driving gear 11 is engaged with the rotating gear 10, the first motor 12 is installed on one of the sliding blocks 7, the output end of the first motor 12 penetrates through the sliding block 7 and is fixedly connected with the driving gear 11, the lifting assembly comprises the driving block 13, the driving screw 14 and the second motor 15, the driving block 13 is fixedly connected on one side of the other sliding block 7, the top end of the driving screw 14 is rotatably connected with the fixed frame 6, a screw hole is formed in the driving block 13, the driving screw 14 is screwedly connected in the screw hole, the second motor 15 is installed on the top end of the fixed frame 6, the output end of the second motor 15 penetrates through the fixed frame 6 and is fixedly and axially connected with the top end of the driving screw 14.

[0026] The first motor 12 drives the driving gear 11 to rotate, the driving gear 11 drives the rotating gear 10 to rotate when rotating, the rotating gear 10 drives the rotating frame 8 and the conveying hose 3 to swing when rotating, so that the suction angle of the gathering box 4 is adjusted, and the second motor 15 drives the driving screw 14 to rotate in the screw hole formed in the driving block 13, so as to drive the driving block 13 and the sliding block 7 to move, so as to adjust the height of the conveying hose 3 and the gathering box 4.

[0027] The filtering mechanism comprises the sliding frames 16, the sealing plates 17, the filter elements 18 and the air exhaust fans 19, the sliding frames 16 are provided in two numbers, two sliding grooves and two replacement openings are formed in the treatment box 1, the two sliding frames 16 are slidingly connected in the two sliding grooves respectively, the sealing plates 17 are arranged at the two replacement openings respectively, the filter elements 18 are fixedly connected in the two sliding frames 16 respectively, the air exhaust fans 19 are installed at the air outlets, when the harmful gas enters into the treatment box 1, the harmful gas is firstly subjected to preliminary purification by the purification liquid, then the harmful gas floats upwards, then the harmful gas is filtered by the filter elements 18 in the sliding frames 16, and the filtered harmful gas is discharged through the air exhaust fans 19.

[0028] The adsorption mechanism comprises: a rotating shaft 20, electrostatic adsorption plates 21, a first bevel gear 22 and a power assembly, a support plate 31 is fixedly connected in the treatment box 1, the rotating shaft 20 is rotatably connected to the support plate 31, the rotating shaft 20 is rotatably connected in the treatment box 1, the electrostatic adsorption plates 21 are provided in plurality, the plurality of electrostatic adsorption plates 21 are all fixedly connected to the rotating shaft 20, the first bevel gear 22 is fixedly connected to the bottom end of the rotating shaft 20, the power assembly is arranged in the treatment box 1 and is used for driving the first bevel gear 22 to rotate, the power assembly comprises: a rotating rod 23, a second bevel gear 24 and a third motor 25, the rotating rod 23 is rotatably connected in the treatment box 1, the second bevel gear 24 is fixedly connected to the rotating rod 23, the second bevel gear 24 is engaged with the first bevel gear 22, the third motor 25 is installed on one side of the treatment box 1, and the output end of the third motor 25 penetrates the treatment box 1 and is connected with one end of the rotating rod 23.

[0029] The rotating rod 23 is driven by the third motor 25 to rotate, the rotating rod 23 drives the second bevel gear 24 and the first bevel gear 22 to rotate when rotating, thereby driving the rotating shaft 20 and the plurality of electrostatic adsorption plates 21 to swing, so that the impurities in the harmful gas are adsorbed.

[0030] When the harmful gas needs to be treated, if the harmful gas is discharged by the equipment, the locking bolt 27 needs to be loosened, the gathering box 4 is taken down, and the conveying hose 3 is communicated with the discharge pipe of the equipment, if the harmful gas in the surrounding environment is treated, the gathering box 4 is installed on the conveying hose 3, the harmful gas is blown into the conveying hose 3 through the air inlet fan 5, the bottom of the treatment box 1 is filled with the purification liquid at this time, the harmful gas is conveyed into the purification liquid through the air inlet pipe 2, the harmful gas is preliminarily purified through the purification liquid, when the gathering box 4 inhales, the driving gear 11 is driven by the first motor 12 to rotate, the driving gear 11 drives the rotating gear 10 to rotate when rotating, the rotating gear 10 drives the rotating frame 8 and the conveying hose 3 to swing when rotating, so that the inhalation angle of the gathering box 4 is adjusted, the driving screw 14 is driven by the second motor 15 to rotate in the screw hole formed in the driving block 13, thereby driving the driving block 13 and the sliding block 7 to move, so that the height of the conveying hose 3 and the gathering box 4 is adjusted, the harmful gas after the purification liquid is driven by the third motor 25 to rotate the rotating rod 23, the rotating rod 23 drives the second bevel gear 24 and the first bevel gear 22 to rotate when rotating, thereby driving the rotating shaft 20 and the plurality of electrostatic adsorption plates 21 to swing, so that the impurities in the harmful gas are adsorbed, then the harmful gas is filtered through the filter element 18 in the sliding frame 16, and the filtered harmful gas is discharged through the air outlet fan 19.

[0031] It also needs to be supplemented that the self-locking universal wheel 29 can support the movement of the treatment box 1.

[0032] It should be noted that the above examples are only used to illustrate the technical solutions of the present disclosure rather than limit the present disclosure. Although the present disclosure is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present disclosure can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present disclosure, and all should be covered in the scope of the claims of the present disclosure.

Claims

1. A hazardous gas treatment device for occupational disease prevention, comprising a treatment box (1), wherein the treatment box (1) is provided with an air inlet and an air outlet, characterized in that, Also includes: An air inlet pipe (2) is fixedly connected to the air inlet, and one end of the air inlet pipe (2) extends into the processing box (1) through the air inlet. The bottom end of the delivery hose (3) is connected to the top end of the air inlet pipe (2), and the top end of the delivery hose (3) is connected to the gathering box (4) through a connecting component. The connecting component is used to assemble and disassemble the gathering box (4). An air intake fan (5) is installed inside the gathering box (4); A fixing frame (6) is fixedly connected to one side of the processing box (1). An adjustment mechanism is provided inside the fixing frame (6) for adjusting the angle of the gathering box (4). A filtration mechanism is provided inside the processing box (1) for filtering harmful gases; An adsorption mechanism is provided at the bottom of the processing box (1) for adsorbing impurities in harmful gases.

2. The occupational disease prevention and hazardous gas treatment device according to claim 1, characterized in that, The adjustment mechanism includes: Slider (7), two sliders (7) are provided, and two grooves are provided on the fixing frame (6), and the two sliders (7) are slidably connected in the two grooves respectively; A rotating frame (8) is rotatably connected to two sliders (7) at both ends, and the conveying hose (3) is mounted on the rotating frame (8) via a fixing ring (9). A rotating assembly is disposed on the fixed frame (6) and is used to drive the rotating frame (8) to rotate at an angle; A lifting assembly is mounted on the fixed frame (6) and is used to drive the rotating frame (8) and the conveying hose (3) to move up and down.

3. The occupational disease prevention and hazardous gas treatment device according to claim 2, characterized in that, The rotating assembly includes: Rotating gear (10), which is fixedly connected to the rotating frame (8); A drive gear (11) meshes with the rotating gear (10); A first motor (12) is mounted on one of the sliders (7), and the output end of the first motor (12) passes through the slider (7) and is fixedly connected to the drive gear (11).

4. The occupational disease prevention and hazardous gas treatment device according to claim 3, characterized in that, The lifting assembly includes: A drive block (13) is fixedly connected to one side of another slider (7); A drive screw (14) is rotatably connected to the fixed frame (6) at its top end. A screw hole is provided on the drive block (13), and the drive screw (14) is threaded into the screw hole. The second motor (15) is mounted on the top of the fixed frame (6). The output end of the second motor (15) passes through the fixed frame (6) and is axially fixedly connected to the top of the drive screw (14).

5. The occupational disease prevention and hazardous gas treatment device according to claim 1, characterized in that, The filtration mechanism includes: Two sliding frames (16) are provided. The processing box (1) has two sliding grooves and two replacement ports. The two sliding frames (16) are slidably connected in the two sliding grooves respectively. Sealing plate (17) is provided at both of the replacement ports. The filter element (18) is fixedly connected in both of the sliding frames (16). Air outlet (19), which is installed at the air outlet.

6. The occupational disease prevention and hazardous gas treatment device according to claim 1, characterized in that, The adsorption mechanism includes: A rotating shaft (20) is rotatably connected inside the processing box (1); An electrostatic adsorption plate (21) is provided, and multiple electrostatic adsorption plates (21) are fixedly connected to the rotating shaft (20); The first bevel gear (22) is fixedly connected to the bottom end of the rotating shaft (20); A power assembly is disposed inside the processing box (1) and is used to drive the first bevel gear (22) to rotate.

7. A hazardous gas treatment device for occupational disease prevention according to claim 6, characterized in that, The power assembly includes: Rotating rod (23), the rotating rod (23) is rotatably connected inside the processing box (1); The second bevel gear (24) is fixedly connected to the rotating rod (23) and meshes with the first bevel gear (22); The third motor (25) is installed on one side of the processing box (1), and the output end of the third motor (25) passes through the processing box (1) and is connected to one end of the rotating rod (23).

8. The occupational disease prevention and hazardous gas treatment device according to claim 1, characterized in that, The connection component includes: A connecting pipe (26) is connected to the gathering box (4), and the other end of the connecting pipe (26) is sleeved on the delivery hose (3); The locking bolt (27) is threaded into the connecting pipe (26) with a screw hole.

9. The occupational disease prevention and hazardous gas treatment device according to claim 1, characterized in that, The bottom of the processing box (1) is fixedly connected to a base plate (28), and a plurality of self-locking casters (29) are installed at the bottom of the base plate (28). A pusher frame (30) is fixedly connected to the top of the base plate (28).

10. A hazardous gas treatment device for occupational disease prevention according to claim 6, characterized in that, A support plate (31) is fixedly connected inside the processing box (1), and the rotating shaft (20) is rotatably connected to the support plate (31).

Images