阅读说明：本技术 一种胶带加工用分切装置 (Adhesive tape processing is with cutting device ) 是由 邱杰 于 2021-07-14 设计创作，主要内容包括：本发明涉及一种胶带加工用分切装置,属于胶带分切技术领域,包括第一支座、第二支座、待分切卷筒、导向卷筒、分离式胶带放置架和净化箱,待分切卷筒通过转动轴固定安装在第一支座上,第二支座内固定设置有加固伸缩杆,且待分切卷筒的一端转动插设在加固伸缩杆的伸缩端上,加固伸缩杆缩回时待分切卷筒为活动状态,用于待分切卷筒的转出上料,导向卷筒通过转轴安装在第一支座和第二支座之间,分离式胶带放置架固定安装在第一支座和第二支座之间,且分离式胶带位于导向卷筒的顶部,净化箱焊接在第一支座和第二支座的顶部,第一支座的一侧通过电源线设置有电源插头,本发明上料方便,分切距离可灵活调节,分切效果稳定,且具有一定的空气净化效果。(The invention relates to a slitting device for adhesive tape processing, which belongs to the technical field of adhesive tape slitting and comprises a first support, a second support, a reel to be slit, a guide reel, a separated adhesive tape placing frame and a purifying box, wherein the reel to be slit is fixedly arranged on the first support through a rotating shaft, a reinforcing telescopic rod is fixedly arranged in the second support, one end of the reel to be slit is rotatably inserted on the telescopic end of the reinforcing telescopic rod, the reel to be slit is in a movable state when the reinforcing telescopic rod retracts and is used for feeding the reel to be slit, the guide reel is arranged between the first support and the second support through a rotating shaft, the separated adhesive tape placing frame is fixedly arranged between the first support and the second support, the separated adhesive tape is positioned at the top of the guide reel, the purifying box is welded at the tops of the first support and the second support, one side of the first support is provided with a power plug through a power cord, the invention has the advantages of convenient feeding, flexible adjustment of the slitting distance, stable slitting effect and certain air purification effect.)

1. The utility model provides a device of cutting is used in sticky tape processing, includes first support (1), second support (2), treats to cut reel (3), direction reel (4), disconnect-type sticky tape rack (5) and purifying box (6), its characterized in that: the cutting device is characterized in that the to-be-cut winding drum (3) is fixedly arranged on the first support (1) through a rotating shaft (7), a reinforcing telescopic rod (8) is fixedly arranged in the second support (2), one end of the to-be-cut winding drum (3) is rotatably inserted into the telescopic end of the reinforcing telescopic rod (8), the to-be-cut winding drum (3) is in an active state when the reinforcing telescopic rod (8) retracts, the to-be-cut winding drum is used for feeding the to-be-cut winding drum (3), the guide winding drum (4) is arranged between the first support (1) and the second support (2) through a rotating shaft, a separating adhesive tape placing frame (5) is fixedly arranged between the first support (1) and the second support (2), the separating adhesive tape is positioned at the top of the guide winding drum (4), a purifying box (6) is welded at the tops of the first support (1) and the second support (2), one side of the first support (1) is provided with a power plug through a power line.

2. A cutting device for processing adhesive tape according to claim 1, characterized in that: the air suction fan is characterized in that air suction cavities (9) are formed in the first support (1) and the second support (2), an air suction pipe (10) is installed between the air suction cavities (9), and an air suction fan (11) is welded in the air suction cavities (9) through welding rods.

3. A cutting device for processing adhesive tape according to claim 2, characterized in that: one side movable mounting in suction chamber (9) has disconnect-type to filter frame (12), disconnect-type filters frame (12) and includes closing plate (23), first filter screen (24), second filter screen (25) and third filter screen (26), first filter screen (24) second filter screen (25) with third filter screen (26) are from last fixing down one side of closing plate (23).

4. A cutting device for processing adhesive tape according to claim 3, characterized in that: the sealing plate is characterized in that a handle is welded on one surface, away from the first filter screen (24), of the sealing plate (23), a sealing strip (27) is arranged on the outer side of the sealing plate (23), the first filter screen (24) is a dust filter screen, the second filter screen (25) is an activated carbon filter screen, and the third filter screen (26) is an aldehyde substance adsorption screen.

5. A cutting device for processing adhesive tape according to claim 1, characterized in that: first support (1) with still fixed mounting has dual cutting separating mechanism (13) between second support (2), dual cutting separating mechanism (13) are including dead lever (14), cutting seat (15), hot melt head (16), electric telescopic handle (17) and cutting piece (18), are located the centre cutting seat (15) welding is in dead lever (14) top, are located both sides cutting seat (15) loop through electric telescopic handle (17) with be located the centre cutting seat (15) are connected.

6. A cutting device for processing adhesive tape according to claim 5, characterized in that: the hot melting head (16) is fixedly arranged on one side of the cutting seat (15), a cutting motor is fixedly mounted at the top of the cutting seat (15), and the cutting blade (18) is fixedly mounted on an output shaft of the cutting motor.

7. A cutting device for processing adhesive tape according to claim 1, characterized in that: the separating adhesive tape placing frame (5) comprises a movable rod (19), a mounting rod (20), a driving motor (21) and a screw rod (22), wherein the screw rod (22) is fixedly mounted on an output shaft of the driving motor (21), and the mounting rod (20) is installed on the screw rod (22) in a threaded mode.

8. A cutting device for processing adhesive tape according to claim 7, characterized in that: the movable rods (19) located on two sides are welded with the installation rods (20), the adjacent movable rods (19) are connected in an adsorption mode through detachable elastic telescopic rods, and the adjacent movable rods are connected in an insertion mode between the detachable elastic telescopic rods.

9. A cutting device for processing adhesive tape according to claim 1, characterized in that: the air suction pump (28) is fixedly installed at the bottom of the purification box (6), a U-shaped pipe (29) penetrates through the purification box (6), and one end of the U-shaped pipe (29) is connected with the air suction pump (28).

10. A slitting device for adhesive tape processing according to claim 9, characterized in that: the exhaust port (30) has been seted up at the top of purifying box (6), filler pipe (31) are worn to be equipped with on one side of purifying box (6) top, drain pipe (32) are worn to be equipped with on one side of the bottom of purifying box (6).

Technical Field

The invention relates to the technical field of adhesive tape slitting, in particular to a slitting device for adhesive tape processing.

Background

The adhesive tape is widely applied to a plurality of fields such as industry, electronic communication, commerce, medical treatment, personal care, electronics, construction, culture and education, consumption and the like in China, the adhesive tape needs to be cut during the production process, a larger adhesive tape is usually produced first and then is cut into small adhesive tapes, and the adhesive tape cutting device is mechanical equipment for cutting and rewinding a wide adhesive tape roll into a plurality of narrow adhesive tape rolls.

The structure of the current adhesive tape slitting equipment is basically mature, the basic slitting function can be completed, and the current adhesive tape slitting equipment is widely used in the actual production process, however, in the actual use, the defects of the existing adhesive tape slitting device for processing the adhesive tape still exist and need to be improved, and the four aspects are embodied in the four aspects, namely, firstly, the current adhesive tape slitting device for processing the adhesive tape is inconvenient to feed and needs complicated steps, and because the size and the weight of the adhesive tape to be slit are large, the operation is inconvenient, secondly, the slitting distance of the current adhesive tape slitting device for processing the adhesive tape is mostly fixed, and the distance of slitting is inconvenient to adjust, thirdly, the slitting effect of the current adhesive tape slitting device for processing the adhesive tape only depends on a single cutting piece, sometimes, the condition of adhesion of the cutting piece can occur, so that the slitting is interrupted, and fourthly, the current adhesive tape slitting device for processing the adhesive tape has poor functionality, because the glue on the adhesive tape contains a large amount of aldehyde substances, workers are in the environment for a long time and inhale too much harmful substances, which has great influence on the body, and therefore, an optimized slitting device for processing the adhesive tape is provided.

Disclosure of Invention

The invention aims to provide a slitting device for processing an adhesive tape, and aims to solve the problems that feeding is inconvenient, a slitting distance cannot be flexibly adjusted, a slitting effect is not stable enough, and harmful gas volatilization influences the health of workers in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a slitting device for adhesive tape processing comprises a first support, a second support, a to-be-slit reel, a guide reel, a split adhesive tape placing rack and a purifying box, wherein the to-be-slit reel is fixedly arranged on the first support through a rotating shaft, a reinforcing telescopic rod is fixedly arranged in the second support, one end of the to-be-slit reel is rotatably inserted into the telescopic end of the reinforcing telescopic rod, the to-be-slit reel is in a movable state when the reinforcing telescopic rod retracts, the to-be-slit reel is used for feeding the to-be-slit reel in a rotating mode, the feeding and the material fixing can be carried out only by adjusting the rotating position of the to-be-slit reel in practical use, the operation is simple and rapid, the guide reel is arranged between the first support and the second support through the rotating shaft, the guide reel with a rotating structure can well guide the adhesive tape, and the adhesive tape is prevented from being directly slit and folded, the separating adhesive tape placing frame is fixedly installed between the first support and the second support and used for placing a cut adhesive tape to facilitate later-stage material taking, the separating adhesive tape is located at the top of the guide winding drum to enable cutting work to be carried out smoothly, the purifying box is welded to the tops of the first support and the second support and used for adsorbing and purifying gas released by the cut adhesive tape, and a power plug is arranged on one side of the first support through a power line and provides electric energy for each electric appliance.

Preferably, the first support with all seted up the chamber of breathing in the second support, two install the breathing pipe between the chamber of breathing in, the intracavity of breathing in has the fan of breathing in through the welding pole welding, produces suction through the fan of breathing in, the induction port has been seted up on the breathing pipe, and the induction port is towards the sticky tape one side, inhales the outside air through the induction port for outside air discharges after entering into the intracavity of breathing in.

Preferably, one side movable mounting in chamber of breathing in has the disconnect-type to cross the filter stand, the disconnect-type crosses the filter stand and includes closing plate, first filter screen, second filter screen and third filter screen, first filter screen the second filter screen with the third filter screen is from last fixing down one side of closing plate, outside air enters into the intracavity of breathing in after, can pass through in proper order first filter screen the second filter screen with the third filter screen is discharged from the hole of seting up bottom the chamber of breathing in after being fully filtered, accomplishes abundant purification, just the disconnect-type crosses the filter stand and is active structure, can change the filter screen when using the filter screen failure after a period, guarantees efficient air purification effect.

Preferably, the handle is welded on one side, away from the first filter screen, of the sealing plate, so that the whole separation type filtering mechanism is more convenient to disassemble and assemble, the sealing strip is arranged on the outer side of the sealing plate, the sealing effect of the sealing plate is effectively improved, the first filter screen is a dust filtering screen and adsorbs dust substances in the air, the content of particles in the air is reduced, the second filter screen is an activated carbon filter screen and adsorbs some polluted gases, the air purification effect is improved, the third filter screen is an aldehyde substance adsorption screen and adsorbs various aldehyde substances, and different aldehyde substance adsorption screens can be selected according to requirements during actual use, so that different air purification effects are realized.

Preferably, first support with still fixed mounting has dual cutting separating mechanism between the second support, dual cutting separating mechanism includes dead lever, cutting seat, hot melt head, electric telescopic handle and cutting piece, is located the centre cutting seat welding is in the dead lever top, be located both sides the cutting seat loops through electric telescopic handle with be located the centre the cutting seat is connected for distance between each cutting seat is adjustable, only need open each simultaneously during the in-service use electric telescopic handle, the centre the cutting seat is fixed knot structure, both sides electric telescopic handle is the symmetric installation, makes both sides distance between the cutting seat can be adjusted and change, realizes nimble distance of cutting and adjusts.

Preferably, the hot melting head is fixedly arranged on one side of the cutting seat, a cutting motor is fixedly arranged at the top of the cutting seat, the cutting blade is fixedly arranged on an output shaft of the cutting motor, the temperature of the hot melting head is 280-32 ℃, the adhesive tape can be instantly melted, the micro cylinder is matched during actual use, the high-speed expansion and contraction of the hot melting head are controlled through the micro cylinder, so that the adhesive tape is melted in a point mode, the cutting blade is driven by the cutting motor to rotate at a high speed, the hot melting head performs point melting on the adhesive tape during actual use to form dense small holes, then the cutting blade performs cutting, the cutting effect can be effectively guaranteed, the edge of the cut adhesive tape can be prevented from being too flat, the edge of the adhesive tape is smooth, the skin of workers cannot be scratched, the cutting effect is guaranteed, and the whole cutting process is more stable, the situation of cutting interruption can not be generated.

Preferably, disconnect-type sticky tape rack includes movable rod, installation pole, driving motor and screw rod, screw rod fixed mounting be in on driving motor's the output shaft, installation pole screw thread is installed on the screw rod, through driving motor can drive the screw rod rotates, and then to with screw rod threaded connection the installation pole position is adjusted, the installation pole is the square body of rod, the movable rod is the cylindricality pole, during the in-service use, the screw rod is released during the installation pole, can be to each the movable rod extrudees, makes each distance between the movable rod reduces to the shortest, accomplishes fixedly, only need during the dismantlement with the installation pole is pulled back, makes each separate between the movable rod, dismantle alright again.

Preferably, be located both sides the movable rod with the installation pole welding, adjacent two the movable rod adsorbs through dismantling elastic telescopic rod and connects, and adjacent two can dismantle and peg graft between the elastic telescopic rod, make each thrust between the movable rod is invariable, each distance between the movable rod can keep unanimous, still need install drive structure in whole disconnect-type sticky tape rack both sides when using, is used for the drive disconnect-type sticky tape rack makes disconnect-type sticky tape rack can rotate, coils the sticky tape after cutting, realizes basic production demand.

Preferably, the bottom of the purifying box is fixedly provided with an air pump, a U-shaped pipe is arranged in the purifying box in a penetrating mode, one end of the U-shaped pipe is connected with the air pump, the air pump adsorbs the air at the bottom, and then the air is conveyed to the interior of the U-shaped pipe, the U-shaped pipe is discharged to the interior of the purifying box, harmful gas adsorption liquid can be stored in the purifying box in advance, harmful gas in the air can be filtered through solution, the filtering effect is better, the filtering effect can be kept through replacing the filtered liquid, the operation is simple, and the purifying effect is good.

Preferably, the exhaust port is formed in the top of the purification box, so that gas entering the U-shaped pipe can be smoothly discharged, the inside and the outside of the purification box are kept smooth, the water feeding pipe penetrates through one side of the top of the purification box, the water discharging pipe penetrates through one side of the bottom of the purification box, harmful gas adsorption liquid is added into the purification box through the water feeding pipe, when more harmful gas is adsorbed by the harmful gas adsorption liquid, the electric control valve arranged in the water discharging pipe is opened, and new harmful gas adsorption liquid is added after the harmful gas adsorption liquid is discharged.

The invention has the technical effects and advantages that:

1. one end of the winding drum to be cut is rotatably inserted into the telescopic end of the reinforcing telescopic rod, and the winding drum to be cut is in a movable state when the reinforcing telescopic rod retracts and is used for feeding the winding drum to be cut in a rotating mode.

2. The cutting parts on the double-cutting separation mechanism are flexible, and the distance between the cutting structures can be flexibly adjusted, so that the cutting parts can be adjusted, the cutting effects of different lengths can be realized, and different use requirements can be met.

3. The double-cutting separation mechanism is provided with the cutting blade and the hot melting head which rotate at a high speed and are used for cutting, and the hot melting head is used for primarily breaking a cutting point, so that the cutting effect of the cutting blade is ensured, the whole cutting process is more stable, and the condition of cutting interruption is avoided.

4. According to the invention, the first support and the second support are provided with the air suction purification structures, the air suction purification structures are used for primary air purification, the harmful gas generated by the adhesive tape is subjected to primary adsorption purification, the purification box at the top is matched for carrying out secondary adsorption on the harmful gas generated by the adhesive tape, the gas generated during slitting of the adhesive tape is comprehensively adsorbed and purified, and the purification effect is good.

Drawings

Fig. 1 is a cross-sectional view of the present invention.

Fig. 2 is a schematic view of the double cutting and separating mechanism of the present invention.

Fig. 3 is a schematic view of a separable tape dispenser according to the present invention.

Fig. 4 is a schematic structural view of the separable filter stand of the present invention.

Fig. 5 is a sectional view of the purification tank of the present invention.

In the figure: 1. a first support; 2. a second support; 3. winding drums to be cut; 4. a guiding drum; 5. a separate adhesive tape holder; 6. a purification box; 7. a rotating shaft; 8. reinforcing the telescopic rod; 9. an air suction cavity; 10. an air intake duct; 11. an air suction fan; 12. a separate filter frame; 13. a double cutting and separating mechanism; 14. fixing the rod; 15. a cutting seat; 16. a hot melting head; 17. an electric telescopic rod; 18. cutting the slices; 19. a movable rod; 20. mounting a rod; 21. a drive motor; 22. a screw; 23. a sealing plate; 24. a first filter screen; 25. a second filter screen; 26. a third filter screen; 27. a sealing strip; 28. an air pump; 29. a U-shaped pipe; 30. an exhaust port; 31. a water feeding pipe; 32. and a water discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a slitting device for tape processing comprises a first support 1, a second support 2, a to-be-slit reel 3, a guiding reel 4, a separable tape holder 5 and a purifying box 6, wherein the to-be-slit reel 3 is fixedly mounted on the first support 1 through a rotating shaft 7, a reinforcing telescopic rod 8 is fixedly arranged in the second support 2, one end of the to-be-slit reel 3 is rotatably inserted into a telescopic end of the reinforcing telescopic rod 8, the to-be-slit reel 3 is in a movable state when the reinforcing telescopic rod 8 retracts and is used for feeding the to-be-slit reel 3, when in actual use, feeding and material fixing can be performed only by adjusting the rotating position of the to-be-slit reel 3, the operation is simple and fast, the guiding reel 4 is mounted between the first support 1 and the second support 2 through a rotating shaft, and the guiding reel 4 with a rotating structure can well guide the tape, the adhesive tape is prevented from being directly folded by the cut tape, the cutting effect of the adhesive tape is further guaranteed, the separating adhesive tape placing frame 5 is fixedly installed between the first support 1 and the second support 2 and used for placing the cut adhesive tape and facilitating later-stage material taking, the separating adhesive tape is located at the top of the guide winding drum 4, the cutting work can be smoothly conducted, the purifying box 6 is welded at the tops of the first support 1 and the second support 2 and used for adsorbing and purifying gas released by the cut adhesive tape, and a power plug is arranged on one side of the first support 1 through a power line and supplies electric energy to each electric appliance.

As a technical optimization scheme of the invention, as shown in fig. 1, air suction cavities 9 are respectively formed in a first support 1 and a second support 2, an air suction pipe 10 is installed between the two air suction cavities 9, an air suction fan 11 is welded in the air suction cavity 9 through a welding rod, suction force is generated by the air suction fan 11, an air suction port is formed in the air suction pipe 10, the air suction port faces one side of the adhesive tape, external air is sucked through the air suction port, and the external air is discharged after entering the air suction cavities 9.

As a technical optimization scheme of the present invention, as shown in fig. 4, a separate filter frame 12 is movably installed at one side of an air suction cavity 9, the separate filter frame 12 includes a sealing plate 23, a first filter screen 24, a second filter screen 25 and a third filter screen 26, the first filter screen 24, the second filter screen 25 and the third filter screen 26 are fixed at one side of the sealing plate 23 from top to bottom, after entering the air suction cavity 9, external air passes through the first filter screen 24, the second filter screen 25 and the third filter screen 26 in sequence, and is discharged from holes formed at the bottom of the air suction cavity 9 after being fully filtered, so as to complete full purification, and the separate filter frame 12 is of a movable structure, so that when the filter screen fails after being used for a period of time, the filter screen can be replaced, thereby ensuring efficient air purification effect.

As a technical optimization scheme of the present invention, as shown in fig. 4, a handle is welded on one side of the sealing plate 23 away from the first filter screen 24, so that the whole separation type filtering mechanism is more convenient to disassemble and assemble, a sealing strip 27 is arranged on the outer side of the sealing plate 23, so as to effectively increase the sealing effect of the sealing plate 23, the first filter screen 24 is a dust filter screen for adsorbing dust substances in the air and reducing the particle content in the air, the second filter screen 25 is an activated carbon filter screen for adsorbing some polluted gases and increasing the air purification effect, the third filter screen 26 is an aldehyde substance adsorption screen for adsorbing various aldehyde substances, and different aldehyde substance adsorption screens can be selected according to requirements during actual use, so as to achieve different air purification effects.

As a technical optimization scheme of the invention, as shown in fig. 2, a double cutting and separating mechanism 13 is further fixedly installed between the first support 1 and the second support 2, the double cutting and separating mechanism 13 includes a fixing rod 14, cutting seats 15, a hot melting head 16, electric telescopic rods 17 and cutting blades 18, the cutting seat 15 located in the middle is welded on the top of the fixing rod 14, the cutting seats 15 located on both sides are sequentially connected with the cutting seat 15 located in the middle through the electric telescopic rods 17, so that the distance between the cutting seats 15 can be adjusted, in actual use, only the electric telescopic rods 17 need to be simultaneously opened, the cutting seat 15 in the middle is a fixed structure, and the electric telescopic rods 17 on both sides are symmetrically installed, so that the distance between the cutting seats 15 on both sides can be adjusted and changed, and the flexible cutting distance adjustment is realized.

As a technical optimization scheme of the invention, as shown in fig. 2, a hot melting head 16 is fixedly arranged at one side of a cutting seat 15, a cutting motor is fixedly arranged at the top of the cutting seat 15, a cutting blade 18 is fixedly arranged on an output shaft of the cutting motor, the temperature of the hot melting head 16 is 280-32 ℃, the adhesive tape can be instantly melted, the hot melting head 16 is controlled to be stretched at a high speed by a micro air cylinder in actual use, so that the adhesive tape is melted in a point mode, the cutting blade 18 is driven by the cutting motor to rotate at a high speed, the hot melting head 16 performs point melting on the adhesive tape to form dense small holes in actual use, then the cutting blade 18 performs cutting, so that the cutting effect can be effectively ensured, the edge of the cut adhesive tape can be prevented from being too flat, the edge of the adhesive tape is smooth, the skin of a worker cannot be scratched, and the cutting effect can be ensured, the whole cutting process is more stable, and the cutting interruption condition can not be generated.

As a technical optimization scheme of the invention, as shown in fig. 3, the separated tape placing rack 5 includes a movable rod 19, a mounting rod 20, a driving motor 21 and a screw rod 22, the screw rod 22 is fixedly mounted on an output shaft of the driving motor 21, the mounting rod 20 is threadedly mounted on the screw rod 22, the screw rod 22 can be driven to rotate by the driving motor 21, so as to adjust the position of the mounting rod 20 in threaded connection with the screw rod 22, the mounting rod 20 is a square rod body, and the movable rod 19 is a cylindrical rod body.

As a technical optimization scheme of the present invention, as shown in fig. 3, the movable rods 19 located at both sides are welded to the mounting rods 20, the two adjacent movable rods 19 are connected by being attracted by the detachable elastic telescopic rods, and the two adjacent detachable elastic telescopic rods are inserted and connected to each other, so that the thrust between the movable rods 19 is constant, and the distances between the movable rods 19 can be kept consistent, and when in use, driving structures are further installed at both sides of the whole separation type adhesive tape placing frame 5 to drive the separation type adhesive tape placing frame 5, so that the separation type adhesive tape placing frame 5 can rotate, and the slit adhesive tapes can be wound, thereby realizing the basic production requirements.

As a technical optimization scheme of the invention, as shown in fig. 5, an air suction pump 28 is fixedly installed at the bottom of a purification box 6, a U-shaped pipe 29 penetrates through the purification box 6, one end of the U-shaped pipe 29 is connected with the air suction pump 28, air at the bottom is adsorbed by the air suction pump 28 and then conveyed into the U-shaped pipe 29, the air is discharged into the purification box 6 through the U-shaped pipe 29, harmful gas adsorption liquid is stored in the purification box 6 in advance, harmful gas in the air is filtered by the solution, the filtering effect is better, the filtering effect can be maintained by replacing the filtered liquid, the operation is simple, and the purification effect is good.

As a technical optimization scheme of the present invention, as shown in fig. 5, an exhaust port 30 is formed at the top of the purification box 6, so that gas entering the U-shaped pipe 29 can be smoothly discharged, the inside and the outside of the purification box 6 are kept smooth, a water feeding pipe 31 is arranged on one side of the top of the purification box 6 in a penetrating manner, a water discharging pipe 32 is arranged on one side of the bottom of the purification box 6 in a penetrating manner, harmful gas adsorption liquid is added into the purification box 6 through the water feeding pipe 31, when the harmful gas adsorbed by the harmful gas adsorption liquid is more, an electric control valve arranged in the water discharging pipe 32 is opened, and new harmful gas adsorption liquid is added after the harmful gas adsorption liquid is discharged.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.