Full-automatic hollow blow molding machine
Technical Field
The invention relates to the technical field of blow molding machines, in particular to a full-automatic hollow blow molding machine.
Background
A blow molding machine is a plastic processing machine. After the liquid plastic is sprayed, the plastic body is blown to a mold cavity with a certain shape by using the wind power blown out by a machine, and the machine is called a blow molding machine, so that a product is manufactured. The plastic is melted and extruded quantitatively in a screw extruder, then is molded through a die, is cooled by blowing through a wind ring, is pulled by a tractor at a certain speed, and is wound into a roll by a winding machine.
In the working process of the blow molding machine, the air inlet mechanism is required to be used for sucking outside air, then the air ring is used for blowing and cooling, in order to prevent the garbage impurities contained in the outside air from being blown into the plastic raw materials, the air inlet mechanism is provided with the air inlet filter pipe, the dust removing net in the air inlet filter pipe can remove the garbage impurity particles in the sucked air flow, the purity of the air flow is ensured, but after the blow molding machine is used for a long time, the surface of the dust removing net can accumulate a large amount of garbage dust impurities, the filter holes of the dust removing net are blocked, so that the filtering effect is reduced, the machine is required to be stopped for maintenance, and the production efficiency is reduced.
In view of the above, the present invention provides a fully automatic hollow blow molding machine to solve the above-mentioned problems of the prior art.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a full-automatic hollow blow molding machine.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a full-automatic cavity blowing machine, includes the blowing machine, blowing machine one end is equipped with two air inlet mechanisms, and the air inlet mechanism both sides all are equipped with the air inlet filter tube, the air inlet mechanism below is equipped with the compound die, and is equipped with extension mechanism and give vent to anger the head between compound die and the air inlet mechanism, inside dust removal net that is equipped with of air inlet filter tube, and dust removal net one side all is equipped with two threaded rods one, threaded rod one top outer wall is equipped with actuating mechanism, and two threaded rod one outer wall threaded connection have same screw thread slide, four smooth chambeies have been opened to the threaded slide outer wall, and smooth chambeies one side all opens has the mounting groove, smooth chambeies inner wall is equipped with the slide, and slide top and bottom all open there is the slide rail, slide inside all is equipped with the slider, and slider fixed connection is in smooth chambeies inner wall, slide one end all is equipped with magnet two, and slide other end all fixedly connected with limiting plate, be equipped with coupling spring two between limiting plate and the threaded slide, and the second cover of coupling spring locates the slide outside, magnet two sides all are equipped with the locating plate, and locating plate one side outer wall equidistance fixedly connected with a plurality of magnets one, attract each other between magnet and two.
Further, rack is all equipped with on slide one side outer wall, and rack one side meshing has gear two, gear two sets up in the mounting groove, and the mounting groove internal rotation is connected with the rotation axis, the rotation axis top extends to the screw thread slide outside, and rotation axis top fixedly connected with beats the board, rotation axis below outer wall is equipped with gear one, and gear one and gear two meshing.
Further, the inner top wall and the inner bottom of the air inlet filter pipe are respectively provided with a sliding groove, the top end and the bottom end of the dust removing net are respectively connected with the inner parts of the two sliding grooves in a sliding manner, and a plurality of first connecting springs are arranged between one side of the dust removing net and the inner wall of the sliding groove.
Further, actuating mechanism includes the mounting box, the mounting box is located air inlet filter tube top outer wall, and the mounting box top inner wall has servo motor one through bolted connection, and servo motor one output shaft one end is equipped with the driving gear, and driving gear both sides all mesh has driven gear, and driven gear bottom outer wall all fixed connection is in threaded rod one top outer wall.
Further, the inner walls at two ends of the air inlet filter pipe are respectively provided with an installation cavity, the inside of each installation cavity is fixedly connected with a partition plate, a second threaded rod is arranged between each partition plate and each installation cavity, the outer wall of the second threaded rod is provided with a threaded sliding block, and one end of the second threaded rod is provided with a second servo motor.
Further, fixedly connected with bracing piece between the outer wall of the relative one side of screw thread slider, and the bracing piece outer wall rotates and is connected with the dust scraping plate, and dust scraping plate top is equipped with telescopic machanism, and the welding has the connecting plate between telescopic machanism and the screw thread slider.
Further, telescopic machanism includes the sleeve board, sleeve board top inner wall is equipped with the electro-magnet, and the electro-magnet below is equipped with the magnetic plate, and the magnetic force that magnetic plate and electro-magnet produced repels each other, is equipped with supporting spring one between magnetic plate and the electro-magnet, sleeve board bottom sliding connection has the expansion plate, and the expansion plate bottom articulates in scraping dirt board top outer wall, expansion plate top fixed connection in magnetic plate bottom outer wall.
Further, a garbage outlet is formed in one side below the dust removing net, an inclined plate is hinged to one side of the top of the garbage outlet, a plurality of second supporting springs are arranged between the inclined plate and the inner wall of the bottom of the air inlet filter pipe, one end of the inclined plate is clung to the outer wall of one side below the dust removing net, and a garbage can is arranged below the garbage outlet.
Further, the inner wall of one side of the garbage outlet is provided with a second accommodating cavity, the inner wall of the second accommodating cavity is connected with an L-shaped plate in a sliding mode, an L-shaped cavity is formed in the lower portion of one side of the second accommodating cavity, and guide wheels are arranged in the L-shaped cavity.
Further, hold chamber one side opening, hold chamber one inner wall sliding connection and have the closing plate, be equipped with connecting spring three between closing plate and the holding chamber one, garbage outlet one side inner wall is hugged closely to closing plate one end, and L template one side outer wall is equipped with the haulage rope, and haulage rope one end is connected in closing plate one side outer wall through the effect of guide pulley.
The beneficial effects of the invention are as follows:
1. in the invention, when the dust removing net in the air inlet filter pipe needs to be cleaned, the driving mechanism is started, the servo motor in the driving mechanism drives the driving gear to rotate, then the driving gear drives the driven gears with two sides meshed with the driving gear to rotate, the two first threaded rods in the air inlet filter pipe can rotate positively and negatively, so that the threaded sliding plate can reciprocate up and down, in the process of reciprocating up and down of the threaded sliding plate, the magnet II at one end of the sliding plate in each sliding cavity can meet the magnet I on the positioning plate, and because the magnet I and the magnet II are mutually attracted, one end of the sliding plate with the magnet II is close to the magnet I, in the process of reciprocating up and down of the threaded sliding plate, the sliding plate in the sliding cavity slides, so that the spring II is connected through the compression of the limiting plate at the other end of the sliding plate, in the sliding plate sliding process, the rack on the outer wall of one side of the sliding plate is driven to move in the same direction with the sliding plate, the gear II is meshed with the gear II, so that the gear II can rotate, the gear II is meshed with the gear I, the rotating shaft rotates, the beating plate on the threaded sliding plate rotates, one end of the beating plate is farther and farther away from the dust removing net, when the magnet II at one end of the sliding plate is separated from the magnet I on the positioning plate, the magnet I does not attract the magnet II, so that the sliding plate is reset under the action of resilience force of the connecting spring II, in the process, the beating plate rotates in the front opposite direction through the mutual meshing transmission of the rack, the gear II and the gear I, one end of the beating plate can be contacted with the dust removing net to beat the dust removing net, in the beating process, the dust removing net slides in the sliding groove due to the generated impact force, and the connecting spring I is stretched, therefore, the dust removing net continuously vibrates in the chute in a reciprocating manner, and the garbage impurity particles filtered out from the surface of the dust removing net can be sufficiently vibrated down, so that the phenomenon that the garbage impurity particles block the filtering holes of the dust removing net to reduce the filtering effect is avoided.
2. According to the invention, by arranging the second servo motor, when the second servo motor is started, the second threaded rod in the installation cavity can be driven to rotate, so that the threaded sliding block on the second threaded rod moves, the electromagnet in the telescopic mechanism is electrified while the threaded sliding block moves, the generated magnetic force is mutually repelled with the magnetic plate after the electromagnet is electrified, the magnetic plate moves downwards in the sleeve plate, so that the telescopic plate stretches out of the sleeve plate, and the bottom end of the telescopic plate is hinged to the outer wall of the top of the dust scraping plate, so that the dust scraping plate on the supporting rod rotates, one end of the dust scraping plate is contacted with the outer wall of the bottom of the air inlet filter pipe, and then the dust and impurity garbage accumulated at the bottom of the air inlet filter pipe can be scraped by the dust scraping plate in the moving process of the threaded sliding block, so that long-term accumulation of dust and impurity garbage accumulated at the bottom of the air inlet filter pipe is avoided, and difficult cleaning is caused.
3. According to the invention, the L-shaped plate is arranged, when the dust scraping plate scrapes the garbage and moves to a certain distance, one end of the dust scraping plate is contacted with the L-shaped plate, the L-shaped plate extends out of the accommodating cavity II under the action of pushing force, in the process, one end of the L-shaped plate pulls the sealing plate to retract into the accommodating cavity I under the action of the traction rope and the guide wheel, meanwhile, the connecting spring III at one end of the sealing plate is gradually compressed, so that the garbage outlet can be opened, and accordingly, the garbage cleaned by the dust scraping plate can be pushed into the garbage outlet and then enters the garbage bin, later cleaning of people is facilitated, and when the garbage cleaning is completed, the dust scraping plate is reset and separated from the L-shaped plate, the sealing plate seals the garbage outlet again under the action of the resilience force of the connecting spring III, so that dust and impurity particles in the garbage bin can be prevented from flowing backwards when the air inlet filter pipe enters the air.
Drawings
FIG. 1 is a schematic diagram of a fully automatic hollow blow molding machine;
FIG. 2 is a schematic view of an air inlet filter tube structure of a full-automatic hollow blow molding machine;
FIG. 3 is a schematic cross-sectional view of an air inlet filter tube of a fully automatic hollow blow molding machine;
FIG. 4 is a schematic diagram of a driving mechanism of a fully automatic hollow blow molding machine;
FIG. 5 is a schematic view of a screw slide plate structure of a fully automatic hollow blow molding machine;
FIG. 6 is a schematic view of the internal structure of a mounting groove of a fully automatic hollow blow molding machine;
FIG. 7 is an enlarged schematic view of the structure at A of a fully automatic hollow blow molding machine;
FIG. 8 is a schematic drawing of a nest plate structure of a fully automatic hollow blow molding machine;
fig. 9 is a schematic view of a cross-sectional structure of a garbage outlet of a fully automatic hollow blow molding machine.
In the figure: 1-blow molding machine, 2-mold closing, 3-air intake mechanism, 4-extension mechanism, 5-air intake filter tube, 6-air outlet head, 7-dustbin, 8-dust removing net, 9-mounting box, 10-chute, 11-connecting spring one, 12-threaded rod one, 13-positioning plate, 14-magnet one, 15-driven gear, 16-servo motor one, 17-driving gear, 18-connecting spring two, 19-limit plate, 20-threaded slide plate, 21-mounting groove, 22-beating plate, 23-rotating shaft, 24-magnet two, 25-slide cavity, 26-slide plate, 27-gear one, 28-gear two, 29-slide rail, 30-slide plate, 31-rack, 32-support bar, 33-servo motor two, 34-partition plate, 35-connecting plate, 36-sleeve plate, 37-second, 38-dust scraping plate, 39-telescopic plate, 40-electromagnet, 41-support spring one, 42-magnetic plate, 43-accommodation cavity one, 44-connecting spring three, 45-rope, 46-guide pulley two, 47-accommodation cavity L, 49-support spring two, 48-support spring two, 52-guide plate, and sealing plate two, 50-guide plate and sealing plate.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Example 1
Referring to fig. 1-6, a full-automatic hollow blow molding machine comprises a blow molding machine 1, one end of the blow molding machine 1 is provided with two air inlet mechanisms 3, both sides of the air inlet mechanisms 3 are respectively provided with an air inlet filter pipe 5, a mold clamping 2 is arranged below the air inlet mechanisms 3, an extension mechanism 4 and an air outlet head 6 are arranged between the mold clamping 2 and the air inlet mechanisms 3, a dust removing net 8 is arranged inside the air inlet filter pipe 5, one side of the dust removing net 8 is respectively provided with two first threaded rods 12, the outer wall of the top of each first threaded rod 12 is provided with a driving mechanism, the outer walls of the first threaded rods 12 are in threaded connection with one threaded slide plate 20, the outer walls of the threaded slide plates 20 are provided with four slide cavities 25, one side of each slide cavity 25 is provided with a mounting groove 21, the inner walls of the slide cavities 25 are provided with slide plates 26, both the top and the bottom of each slide plate 26 are provided with slide rails 29, and slider 30 fixed connection is in the smooth chamber 25 inner wall, slide 26 one end all is equipped with magnet two 24, and slide 26 other end all fixedly connected with limiting plate 19, be equipped with between limiting plate 19 and the screw thread slide 20 and connect spring two 18, and connect spring two 18 cover locate slide 26 outside, magnet two 24 one side all is equipped with locating plate 13, and locating plate 13 one side outer wall equidistance fixedly connected with a plurality of magnet one 14, attract each other between magnet one 14 and the magnet two 24, so screw thread slide 20 reciprocating motion's in-process about, when magnet two 24 of slide 26 one end can meet with magnet one 14 on the locating plate 13, under the suction effect of magnet two 24 and magnet one 14, make slide 26 slip in each slide chamber 25 of screw thread slide 20, and the limiting plate 19 compression connection spring two 18 of slide 26 other end.
In the invention, racks 31 are arranged on the outer wall of one side of a sliding plate 26, a gear II 28 is meshed with one side of the racks 31, the gear II 28 is arranged in a mounting groove 21, a rotating shaft 23 is connected in a rotating way in the mounting groove 21, the top end of the rotating shaft 23 extends to the outside of a threaded sliding plate 20, the top end of the rotating shaft 23 is fixedly connected with a beating plate 22, a gear I27 is arranged on the outer wall below the rotating shaft 23, the gear I27 is meshed with the gear II 28, in the moving process of the sliding plate 26, one end of the beating plate 22 is further and further away from a dust removing net 8 through the mutual meshing transmission of the racks 31, the gear II 28 and the gear I27, when a magnet II 24 and a magnet I14 are not intersected any more, the sliding plate 26 is reset under the action of resilience force of a connecting spring II 18, so that one end of the beating plate 22 contacts the dust removing net 8, and the dust removing net 8 is beaten.
In the invention, the inner top wall and the inner bottom of the air inlet filter pipe 5 are respectively provided with the sliding grooves 10, the top end and the bottom end of the dust removing net 8 are respectively connected with the inner parts of the two sliding grooves 10 in a sliding way, and a plurality of first connecting springs 11 are arranged between one side of the dust removing net 8 and the inner wall of the sliding groove 10, so that in the beating process, the dust removing net 8 slides in the sliding groove 10 due to the generated impact force and stretches the first connecting springs 11, thereby the dust removing net 8 continuously vibrates in the sliding groove 10 in a reciprocating way, and the garbage impurity particles filtered on the surface of the dust removing net can be fully vibrated down, so that the filtering holes of the dust removing net 8 are prevented from being blocked by the garbage impurity particles, and the filtering effect is reduced.
In the invention, the driving mechanism comprises a mounting box 9, the mounting box 9 is positioned on the outer wall of the top of the air inlet filter pipe 5, the inner wall of the top of the mounting box 9 is connected with a first servo motor 16 through bolts, one end of an output shaft of the first servo motor 16 is provided with a driving gear 17, two sides of the driving gear 17 are meshed with driven gears 15, the outer wall of the bottom of the driven gear 15 is fixedly connected with the outer wall of the top of a first threaded rod 12, when the driving mechanism operates, the first servo motor 16 in the mounting box 9 drives the driving gear 17 to rotate, and then the driving gear 17 drives the driven gears 15 meshed with the two sides of the driving gear 17 to rotate, so that the two first threaded rods 12 in the air inlet filter pipe 5 can rotate positively and negatively, and the threaded sliding plate 20 can reciprocate up and down.
Working principle: when the dust removing net 8 in the air inlet filter pipe 5 needs to be cleaned, a driving mechanism is started, a first servo motor 16 in the driving mechanism drives a driving gear 17 to rotate, then the driving gear 17 drives driven gears 15 engaged with the driving gear 17 at two sides to rotate, and the two first threaded rods 12 in the air inlet filter pipe 5 can be rotated in forward and reverse directions, so that the threaded slide plate 20 can reciprocate up and down, a second magnet 24 at one end of a slide plate 26 in each slide cavity 25 can be intersected with a first magnet 14 on a positioning plate 13 in the process of reciprocating up and down the threaded slide plate 20, and one end of the slide plate 26 with the second magnet 24 can be close to the first magnet 14 due to the mutual attraction of the first magnet 14 and the second magnet 24, namely, the slide plate 26 in the slide plate 26 slides in the slide plate 26 reciprocates up and down in the process of reciprocating up and down, so that a limiting plate 19 at the other end of the slide plate 26 compresses and connects with the second spring 18, in the sliding process of the slide plate 26, the rack 31 on the outer wall of one side of the slide plate is driven to move in the same direction as the slide plate 26, the second gear 28 is meshed with the second gear 28, the second gear 28 is meshed with the first gear 27, the rotating shaft 23 is rotated, the beating plate 22 on the threaded slide plate 20 is rotated, one end of the beating plate 22 is further and further away from the dust removing net 8, when the second magnet 24 at one end of the slide plate 26 is separated from the first magnet 14 on the positioning plate 13, the first magnet 14 is not attracted to the second magnet 24, so that the slide plate 26 is reset under the resilience force of the connecting spring 18, in the process, the beating plate 22 is rotated in the forward and reverse direction through the mutual meshing transmission of the rack 31, the second gear 28 and the first gear 27, one end of the beating plate 22 is contacted with the dust removing net 8, the dust removing net 8 is beaten, in addition, in the beating process, the dust removing net 8 slides in the chute 10 due to the generated impact force, and the connecting spring I11 is stretched, so that the dust removing net 8 continuously vibrates in the chute 10 in a reciprocating manner, and the garbage impurity particles filtered out of the surface of the dust removing net can be fully vibrated down, so that the phenomenon that the garbage impurity particles block the filtering holes of the dust removing net 8 is avoided, and the filtering effect is reduced.
Example 2
Referring to fig. 1-8, compared with embodiment 1, on the basis of embodiment 1, the inner walls of two ends of the air inlet filter tube 5 are all provided with mounting cavities, the inside of each mounting cavity is fixedly connected with a partition plate 34, a second threaded rod 37 is arranged between each partition plate 34 and each mounting cavity, a threaded sliding block is arranged on the outer wall of each second threaded rod 37, and a second servo motor 33 is arranged at one end of each second threaded rod 37, so that when the second servo motor 33 is started, the second threaded rod 37 in each mounting cavity can be driven to rotate, and the threaded sliding blocks on the second threaded rods 37 can be moved.
In the invention, a supporting rod 32 is fixedly connected between the outer walls of the opposite sides of a threaded sliding block, the outer walls of the supporting rod 32 are rotationally connected with a dust scraping plate 38, the top of the dust scraping plate 38 is provided with a telescopic mechanism, a connecting plate 35 is welded between the telescopic mechanism and the threaded sliding block, and the telescopic mechanism is electrified and started while the threaded sliding block moves.
According to the invention, the telescopic mechanism comprises a sleeve plate 36, an electromagnet 40 is arranged on the inner wall of the top of the sleeve plate 36, a magnetic plate 42 is arranged below the electromagnet 40, the magnetic force generated by the magnetic plate 42 and the electromagnet 40 repel each other, a first supporting spring 41 is arranged between the magnetic plate 42 and the electromagnet 40, the bottom of the sleeve plate 36 is connected with a telescopic plate 39 in a sliding manner, the bottom end of the telescopic plate 39 is hinged to the outer wall of the top of the dust scraping pipe 5, the top end of the telescopic plate 39 is fixedly connected to the outer wall of the bottom of the magnetic plate 42, so that the electromagnet 40 in the telescopic mechanism generates magnetic force after being electrified, the generated magnetic force repels the magnetic plate 42 mutually, the magnetic plate 42 moves downwards in the sleeve plate 36, the telescopic plate 39 extends out of the sleeve plate 36, and the dust scraping plate 38 on the support rod 32 rotates due to the fact that the bottom end of the telescopic plate 39 is hinged to the outer wall of the top of the dust scraping plate 38, one end of the dust scraping plate 38 contacts with the outer wall of the bottom of the air inlet pipe 5, and then in the moving process of the threaded sliding block, the dust scraping plate 38 can scrape accumulated dust and dirt on the bottom of the air inlet pipe 5, so that long-proof dust accumulation is avoided.
Working principle: when the second servo motor 33 is started, the second threaded rod 37 in the installation cavity can be driven to rotate, so that the threaded sliding block on the second threaded rod 37 moves, the electromagnet 40 in the telescopic mechanism is electrified while the threaded sliding block moves, the electromagnet 40 generates magnetic force after being electrified, the generated magnetic force and the magnetic plate 42 repel each other, the magnetic plate 42 moves downwards in the sleeve plate 36, so that the telescopic plate 39 extends out of the sleeve plate 36, the bottom end of the telescopic plate 39 is hinged to the outer wall of the top of the dust scraping plate 38, the dust scraping plate 38 on the supporting rod 32 rotates, one end of the dust scraping plate 38 contacts with the outer wall of the bottom of the air inlet filter tube 5, and then the dust scraping plate 38 can scrape dust and impurity garbage accumulated at the bottom of the air inlet filter tube 5 in the moving process of the threaded sliding block, so that long-term accumulation of dust and impurity garbage accumulated at the bottom of the air inlet filter tube 5 is avoided, and difficult cleaning is caused.
Example 3
Referring to fig. 1-9, compared with embodiment 2, on the basis of embodiment 2, a garbage outlet 52 is arranged at one side below the dust removing net 8, an inclined plate 50 is hinged at one side of the top of the garbage outlet 52, a plurality of second supporting springs 51 are arranged between the inclined plate 50 and the inner wall of the bottom of the air inlet filter tube 5, one end of the inclined plate 50 is tightly attached to the outer wall of one side below the dust removing net 8, and a dustbin 7 is arranged below the garbage outlet 52, so that the dust removing net 8 continuously vibrates reciprocally in the chute 10, garbage impurity particles with the surface vibrated down enter the garbage outlet 52 under the guiding action of the inclined plate, and one end of the inclined plate 50 is tightly attached to the outer wall of one side below the dust removing net 8 all the time under the action of the second connecting springs 51, so that the garbage impurity particles with the vibration can be conveniently guided.
In the invention, a second accommodating cavity 47 is formed in the inner wall of one side of the garbage outlet 52, an L-shaped plate 48 is slidably connected to the inner wall of the second accommodating cavity 47, an L-shaped cavity is formed below one side of the second accommodating cavity 47, guide wheels 45 are arranged in the L-shaped cavity for accommodating the second accommodating cavity 47, and when the dust scraping plate 38 scrapes garbage to a certain distance, one end of the dust scraping plate 38 contacts with the L-shaped plate 48, and the L-shaped plate 48 extends out of the second accommodating cavity 47 under the action of pushing force.
According to the invention, one side of an L-shaped cavity is provided with a first accommodating cavity 43, the inner wall of the first accommodating cavity 43 is slidably connected with a sealing plate 49, a third connecting spring 44 is arranged between the sealing plate 49 and the first accommodating cavity 43, one end of the sealing plate 49 is tightly attached to the inner wall of one side of a garbage outlet 52, a hauling rope 46 is arranged on the outer wall of one side of the L-shaped plate 48, one end of the hauling rope 46 is connected to the outer wall of one side of the sealing plate 49 under the action of a guide wheel 45, in the process, one end of the L-shaped plate 48 pulls the sealing plate 49 to retract into the first accommodating cavity 43 under the action of the hauling rope 46 and the guide wheel 45, and meanwhile, the third connecting spring 44 at one end of the sealing plate 49 is gradually compressed, so that the garbage outlet 52 can be opened, and garbage cleaned by the dust scraping plate 38 can be pushed into the garbage outlet 52 and then enter the garbage bin 7, so that later cleaning of people is facilitated, and after the garbage cleaning is reset and separated from the L-shaped plate 48, the garbage outlet 52 is closed again under the action of the resilience of the connecting spring three 44, so that dust particles in the garbage bin 7 can be prevented from flowing backwards when the air is fed into the air inlet filter tube 5.
Working principle: through setting up L template 48, after scraping the rubbish and removing to certain distance with scraping the dirt board 38, scrape dirt board 38 one end and L template 48 contact, under the effect of thrust, make L template 48 follow and hold chamber two 47 and stretch out, and under this in-process, L template 48 one end is through haulage rope 46 and the effect of guide pulley 45, the drawing closing plate 49 is retracted into hold chamber one 43, simultaneously the connecting spring three 44 of closing plate 49 one end is compressed gradually, can make rubbish export 52 be opened, thereby the rubbish of scraping dirt board 38 clearance can be pushed into rubbish export 52, then enter into dustbin 7, be convenient for people's later stage clearance, and after scraping dirt board 38 and L template 48 separation, under the resilience effect of connecting spring three 44, closing plate 49 again rubbish export 52, like this when air inlet filter tube 5 air inlet, can prevent dust impurity granule in the dustbin 7 refluence.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.