CN112657995B - Ventilation and dust removal system - Google Patents

Abstract

The invention provides a ventilation and dust removal system, and belongs to the technical field of dust removal. The ventilation and dust removal system comprises a ventilation cabinet and a dust removal cabinet. According to the invention, the negative pressure space is formed in the first air guide channel after the air in the first air guide channel is extracted by the exhaust fan, dust in the air is removed by the dust removal bag, after dust removal is finished, no air impacts the first sealing mechanism, the first sealing structure has no external force, the first sealing structure returns to the first air inlet, the vibration structure drives the dust removal bag, so that the dust in the dust removal bag falls off, the dust falls into the receiving structure, the dust is convenient to collect, the dust does not need to be taken out of the device, the dust falls off into the air to pollute the air, the vibration structure drives the receiving structure to move far away from the bottom end of the shell to abut against the bottom end of the dust removal bag, the problem that the speed of the dust in the falling process is low, the dust collection efficiency is influenced, and the dust collection effect is good is achieved.

Description

Ventilation and dust removal system

Technical Field

The invention relates to the technical field of dust removal, in particular to a ventilation and dust removal system.

Background

The existing dust removing equipment is provided with an exhaust fan under a workbench for sucking smoke, and then sprays the smoke through a spraying pipeline, so that dust is removed.

Chinese patent CN211585657U, kokai japanese 2020-9-29 disclose a sack cleaner, including sack cleaner frame, sack cleaner motor, sack cleaner closing cap, support frame, base, first fixed plate, connecting plate, second fixed plate, baffle, screw post, first self-locking nut, screw hole, second self-locking nut, stripper plate, spring groove, compression spring, splint, slipmat, coarse strainer, meticulous filter screen, cross filter bag, active carbon and rubber pad, sack cleaner frame bottom both sides all have the support frame through the screw fixation, the support frame bottom has the base through the screw fixation, sack cleaner frame inside top one side has first fixed plate through the screw fixation, threaded bag filter post has been cup jointed in first fixed plate center department, and this sack cleaner bag simple structure, convenient operation, the instant inflation after getting into the air to along with air current reverse action, shake off the dust, the active carbon removes the smell, and dust collection efficiency is higher, and convenience of customers uses. In the shaking-off process of the cloth bag in the patent, dust is easy to fall off from the cloth bag and enter air, and the environment is polluted.

Disclosure of Invention

The invention aims to provide a ventilation and dust removal system aiming at the defects of the prior art.

The invention provides a ventilation and dust removal system, which comprises a ventilation cabinet, a dust removal cabinet, a first air guide channel, an exhaust fan and a dust removal member, wherein the dust removal cabinet is used for receiving gas conveyed from the ventilation cabinet, the ventilation cabinet comprises a ventilation side plate, a workbench, a back plate arranged at one end of the workbench, an air guide hole arranged on the back plate, the first air guide channel is formed by enclosing the back plate and the ventilation side plate, the exhaust fan is used for extracting gas in the first air guide channel so as to form a negative pressure space in the first air guide channel, so that the gas in the workbench enters the first air guide channel, the dust removal cabinet comprises a shell, a first air outlet arranged at the top end of the shell, a first air inlet arranged at the bottom end of the shell, a conveying pipe with one end connected to the ventilation cabinet and the other end connected to the first air inlet, and the dust removal member arranged in the shell, the dust removal member comprises a dust removal bag arranged in the shell, a second air inlet arranged at the bottom end of the dust removal bag, a receiving structure arranged at the lower end of the first air inlet and used for receiving dust falling from the dust removal bag, and used for impacting the opening of the exhaust fan and returning to the first air inlet when no external force exists, so as to drive the dust removal bag to drive the dust removal structure to move away from the bottom end of the dust removal structure.

Further, the back plate is obliquely arranged towards one side close to the workbench, and the air guide holes are arranged in a plurality of rows in a staggered mode.

Furthermore, the vibration structure comprises a first motor, a motor shaft arranged on the first motor, an eccentric wheel arranged on the motor shaft, a first supporting rod arranged at an eccentric position on the eccentric wheel, a second supporting rod arranged at the top end of the dust removal bag, and a first connecting rod, one end of which is rotatably connected with the first supporting rod, and the other end of which is rotatably connected with the second supporting rod.

Furthermore, the dust removal bag also comprises a third support rod connected to the inner side of the dust removal bag, and a first telescopic pushing structure, wherein one end of the first telescopic pushing structure is connected to one end of the third support rod and used for pushing one end of the inner side wall of the dust removal bag when the third support rod extends.

Further, the shell includes the bottom plate, first curb plate, and the second curb plate, both ends are connected respectively in the third curb plate of first curb plate one end, second curb plate one end, connect in the first dodge gate of the first curb plate other end, first flexible pushing structure is close to respectively in the first curb plate for promoting respectively the dust removal bag inside wall three on first curb plate, second curb plate, the third curb plate, still including being used for promoting the dust removal bag inside wall and close to in the flexible pushing structure of second of first dodge gate.

Further, be equipped with four thread grooves on the third bracing piece, first flexible promotion structure includes the spiro union in the first screw rod of a thread groove, first stripper plate, and one end is connected in first screw rod, the other end in first stripper plate, is used for promoting the first spring of first stripper plate extrusion dust removal bag, the flexible promotion structure of second includes the second screw rod of spiro union in a thread groove, and second stripper plate, one end are connected in second screw rod, the other end in the second stripper plate, are used for promoting the second spring of second stripper plate extrusion dust removal bag.

Further, still including setting up in two first joint boards of one of them of first curb plate, second curb plate, third curb plate, by the first draw-in groove that curb plate on two first joint boards, the shell encloses, joint in the first mounting panel of first draw-in groove, the first mounting panel other end is connected in the first stripper plate that is close to in the first flexible pushing structure of a dust removal curb plate.

Furthermore, it is equipped with the ventilation groove to lie in first air intake department and run through on the shell, first air intake sets up in ventilation groove one end, first seal structure cup joints in the first closing plate of pivot including being fixed in the pivot of ventilation inslot, and one end is connected in ventilation groove, the other end and is connected in first closing plate, is used for pulling the third spring in the sealed ventilation groove of first closing plate when first closing plate does not receive external force.

Furthermore, the receiving structure comprises a dust collecting box, a first magnet fixed on the bottom plate, a second magnet fixed at the bottom end of the dust collecting box and used for adsorbing the first magnet, and a fourth spring, wherein one end of the fourth spring is connected with the first mounting plate, the other end of the fourth spring is connected with the dust collecting box and used for keeping the balance between the pulling force of the fourth spring and the second magnet and the attraction force between the first magnet when the first mounting plate does not move upwards and driving the fourth spring to move upwards so as to pull the dust collecting box to move upwards to abut against the first clamping plate when the first mounting plate moves upwards.

Furthermore, the device also comprises a third magnet fixed on the first mounting plate, and a fourth magnet used for adsorbing the third magnet is arranged on the first extrusion plate.

The ventilation and dust removal system has the following beneficial effects:

1. because the distance between the back plate and the ventilation side plate is smaller than the area of the whole workbench, a negative pressure space is formed in the first air guide channel after the air in the first air guide channel is extracted by the exhaust fan, the design of lower air outlet is favorable for dust falling, the design of fluidics is reasonable, the formation of continuous directional fluid particles is favorable, the reasonable distribution of a negative pressure cavity and a negative pressure region reduces the cross disturbance of air, and a good air draft effect is achieved, so that the gas in the workbench enters the first air guide channel and is extracted to the conveying pipe by the exhaust fan;

2. the back plate is obliquely arranged towards one side close to the workbench, so that gas can conveniently enter the first wind guide channel from the wind guide holes, the gas in the first wind guide channel can be reduced to float and pass through the wind guide holes to enter the workbench, and the efficiency of the gas entering the first wind guide channel can be improved by the aid of the plurality of rows of staggered wind guide holes, and the dust removal efficiency is further improved;

3. the first motor rotates to drive the motor shaft, the eccentric wheel is driven, the first supporting rod is driven to rotate, the height position of the first supporting rod is changed, the second supporting rod is driven to move up and down, the dust removing bag is driven to move up and down, dust falls off from the dust removing bag due to vibration, the dust falls into the receiving structure, the air flow in the shell is driven to move when the dust removing bag moves up and down, and the dust is blown to move towards the receiving structure, so that the dust collecting efficiency is improved;

4. a first screw rod close to a first telescopic pushing structure of the first side plate is in threaded connection with a threaded groove, a first mounting plate is in clamped connection with a first clamping groove, a third magnet is mounted on the first mounting plate, a fourth magnet for adsorbing the third magnet is arranged on a first extrusion plate close to the first telescopic pushing structure of the first side plate, so that the first extrusion plate close to the first side plate and the first mounting plate are connected together, a first spring is extended to extrude the first end of the dust removing bag, a first screw rod close to the first telescopic pushing structure of the second side plate is in threaded connection with a threaded groove, the first mounting plate is in clamped connection with the first clamping groove, the third magnet is mounted on the first mounting plate, a fourth magnet for adsorbing the third magnet is arranged on the first extrusion plate close to the first telescopic pushing structure of the second side plate, so that the first extrusion plate close to the second side plate and the first mounting plate are connected together, the first spring is extended, thereby extruding the second end of the dust removal bag, the first screw rod close to the first telescopic pushing structure of the third side plate is screwed on a thread groove, the first mounting plate is clamped on the first clamping groove, the third magnet is mounted on the first mounting plate, the fourth magnet used for being adsorbed on the third magnet is arranged on the first extrusion plate close to the first telescopic pushing structure of the third side plate, thereby connecting the first extrusion plate close to the third side plate with the first mounting plate, the first spring is extended, thereby extruding the third end of the dust removal bag, the second screw rod is screwed on a thread groove, the second spring is extended, thereby pushing the second extrusion plate to extend for a section of length, the fourth end of the dust removal bag is extruded by the second extrusion plate, the opening of the second movable door can not be influenced, when the second support rod moves up and down, the dust removal bag is driven to move up and down, the first mounting plate moves up and down in the first clamping groove, so that the dust cleaning efficiency of the dust removing bag is improved;

5. after the exhaust fan exhausts air to the first air inlet, the first sealing plate is impacted by air, the impact force of the air is larger than the pulling force of the third spring, the first sealing plate is opened, the air enters the shell from the first air inlet, after the air exhaust is finished, the first sealing plate is pulled by the third spring, the top end of the first sealing plate is abutted to the top end of the ventilation groove, the bottom end of the first sealing plate is abutted to the bottom end of the ventilation groove, the ventilation groove is sealed by the first sealing plate, and the situation that dust falls into the ventilation groove when the dust falls due to the fact that the dust bag is driven to move up and down by the vibration structure in the follow-up process is avoided, and the dust collecting effect is influenced;

6. when the vibration structure does not move, the tensile force of the fourth spring to the dust collection box is smaller than or equal to the suction force between the first magnet and the second magnet, the vertical force of the dust collection box is kept balanced, the dust collection box is located on the bottom plate, the exhaust fan extracts smoke on the workbench to the first air guide channel and conveys the smoke to the first air inlet through the conveying pipe, the dust collection box is located at the lower end of the first air inlet at the moment, the smoke does not influence the inflow of the smoke from the first air inlet and enters the dust collection bag to be dedusted, after dedusting of the dust collection bag is completed, the vibration structure drives the dust collection bag to move upwards, the first mounting plate is driven to move upwards, the fourth spring is driven to move upwards, the tensile force of the fourth spring to the dust collection box is larger than the suction force between the first magnet and the second magnet, the dust collection box is pulled to move upwards to abut against the first clamping plate, the fourth spring is subjected to the tensile force when the first mounting plate continues to move upwards, the position of the dust collection box is not influenced, the position of the dust collection box, the dust collection box is abutted against the first clamping plate, and the dust collection box can fall into the dust collection box from the dust collection box more quickly, and the dust collection efficiency of the dust collection box is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.

FIG. 1 is a schematic structural view of an air-ventilation dust-removing system according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure inside the housing of the ventilating and dedusting system of the embodiment of the invention;

FIG. 3 is a partial schematic structural view of a vibrating structure in an air-assisted dust removal system according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a spreader in an air-assisted dust removal system according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a first telescopic pushing structure of the ventilation and dust removal system according to the embodiment of the present invention;

FIG. 6 is a schematic structural view of a second telescopic pushing structure of the ventilation and dust-removal system according to the embodiment of the present invention;

FIG. 7 is a schematic structural view of a fume hood of a ventilation and dust removal system according to an embodiment of the present invention;

FIG. 8 is a side view of a fumehood of a ventilated dust removal system according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a first sealing structure of the ventilating and dedusting system according to the embodiment of the invention.

In the figure: 1-shell, 11-first air inlet, 12-first air outlet, 13-first side plate, 14-second side plate, 15-third side plate, 2-dust removing bag, 3-vibration structure, 31-first motor, 32-motor shaft, 33-eccentric wheel, 34-first supporting rod, 35-second supporting rod, 36-first connecting rod, 41-first clamping plate, 411-first clamping groove, 412-first mounting plate, 413-third magnet, 51-first telescopic pushing structure, 511-first screw, 512-first spring, 513-first extrusion plate, 514-fourth magnet, 52-second telescopic pushing structure, 521-second screw, 522-second spring, 523-second extrusion plate, 53-third supporting rod, 6-receiving structure, 61-dust collecting box, 62-first magnet, 63-second magnet, 64-fourth spring, 7-ventilation cabinet, 71-rear plate, 72-rear plate, 73-working platform, 74-75-sealing structure, 8-dust collecting box, 62-first magnet, 63-second magnet, 64-fourth spring, 7-ventilation cabinet, 71-rear side plate, 73-ventilation platform, 73-working platform, 74-75-sealing structure, 8-sealing plate, 84-first ventilation groove, 84-third spring, and second spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

Please refer to fig. 1 to 9. The ventilation and dust removal system comprises a ventilation cabinet 7, a dust removal cabinet used for receiving gas conveyed from the ventilation cabinet 7, wherein the ventilation cabinet 7 comprises a ventilation side plate 71, a workbench 73, a back plate 72 arranged at one end of the workbench 73, a wind guide hole arranged on the back plate 72, a first wind guide channel enclosed by the back plate 72 and the ventilation side plate 71, an exhaust fan 74 used for extracting the gas in the first wind guide channel to form a negative pressure space in the first wind guide channel so that the gas in the workbench 73 enters the first wind guide channel, the dust removal cabinet comprises a shell 1, a first air outlet 12 arranged at the top end of the shell 1, a first air inlet 11 arranged at the bottom end of the shell 1, one end is connected in fume chamber 7, the other end is connected in the conveyer pipe 75 of first air intake 11, set up the dust removal piece in shell 1, the dust removal piece is including setting up dust bag 2 in shell 1, set up in the second air intake of dust bag 2 bottom, set up in first air intake 11 lower extreme, be used for receiving the receiving structure 6 of the dust that falls from dust bag 2, be used for assaulting it when air exhauster 74 convulsions and open, reply to the first seal structure 8 to sealed first air intake 11 when there is no exogenic action, be used for driving dust bag 2 so that the dust in the dust bag 2 falls to receiving structure 6 in, drive receiving structure 6 and do the motion to the butt in the vibration structure 3 of dust bag 2 bottom of keeping away from shell 1 bottom.

Here, since the distance between the back plate 72 and the ventilation side plate 71 is smaller than the area of the entire work table 73, so that a negative pressure space is formed in the first air guide channel after the air in the first air guide channel is extracted by the exhaust fan 74, the design of downward air outlet is favorable for dust fall, the design of fluidics is reasonable, the layout is reasonable, the formation of continuous directional fluid particles is favorable, the cross disturbance of air is reduced by reasonable distribution of a negative pressure cavity and a negative pressure area, and a good air extraction effect is achieved, so that the air in the working platform 73 enters the first air guiding channel and is sucked into the conveying pipe 75 by the suction fan 74, the conveying pipe 75 conveys the air to the first air inlet 11, after the gas at the first inlet opening 11 increases, the gas impacts the first sealing structure 8 to open the first sealing structure 8, so that the gas enters the shell 1, the receiving structure 6 is positioned at the lower end of the first air inlet 11, the gas can conveniently enter the dust removing bag 2, the dust removing bag 2 removes dust in the gas, the dust is absorbed on the inner side wall of the dust removing bag 2, the clean gas passes through the dust removing bag 2 and is discharged from the first air outlet 12, after the dust removal is finished, no gas impacts the first sealing mechanism, the first sealing structure 8 has no external force, the first sealing structure returns to seal the first air inlet 11, the vibration structure 3 drives the dust removal bag 2, thereby make the dust in the dust removal bag 2 drop, the dust falls to receiving structure 6 in to be convenient for collect the dust, need not take out dust removal bag 2 from the device and cause the dust to drop to polluted air in the air, vibrating structure 3 drives receiving structure 6 and makes the motion of keeping away from shell 1 bottom to butt in dust removal bag 2 bottom, avoids the dust to be slower at the in-process speed of whereabouts, influences dust collection efficiency, and the dust collection effect is better.

The back plate 72 may be inclined toward a side close to the working table 73, and the air guide holes are arranged in a plurality of staggered rows. Backplate 72 sets up towards the lopsidedness that is close to workstation 73, both can be convenient for gas get into first wind-guiding passageway from the guiding hole in, can reduce again that the gas in the first wind-guiding passageway floats and passes the guiding hole and get into workstation 73, the multirow guiding hole of crisscross setting can improve the efficiency that gas got into first wind-guiding passageway, the reasonable trompil overall arrangement of backplate 72 makes the whole velocity of flow of back air-out even, and then improves dust collection efficiency. The workbench 73 is horizontally arranged, the workbench 73 is fixed in the middle of the ventilation side plate 71, one end of the back plate 72 is fixed on the workbench 73, and the other end is fixed on the top plate of the ventilation cabinet 7.

The vibrating structure 3 may include a first motor 31, a motor shaft 32 disposed on the first motor 31, an eccentric wheel 33 disposed on the motor shaft 32, a first supporting rod 34 disposed at an eccentric position on the eccentric wheel 33, a second supporting rod 35 disposed at a top end of the dust bag 2, and a first connecting rod 36 having one end rotatably connected to the first supporting rod 34 and the other end rotatably connected to the second supporting rod 35. First motor 31 rotates, drive motor shaft 32, drive eccentric wheel 33, drive first bracing piece 34 and rotate, thereby change the high position of first bracing piece 34, drive second bracing piece 35 up-and-down motion, thereby drive dust removal bag 2 up-and-down motion, make the dust receive the vibration and drop from dust removal bag 2, the dust falls down to receiving arrangement 6 in, drive the interior air current motion of shell 1 when dust removal bag 2 up-and-down motion, blow the dust and move towards receiving arrangement 6, improve dust collection efficiency. The first motor 31 is welded on the first side plate 13, the motor shaft 32 is perpendicular to the first side plate 13, the eccentric wheel 33 is parallel to the first side plate 13, the first supporting rod 34 is perpendicular to the eccentric wheel 33, the second supporting rod 35 comprises a first straight rod parallel to the first side plate 13 and a second straight rod perpendicular to the first side plate 13, the first straight rod is connected to the top end of the dust removing bag 2, one end of the second straight rod is connected to the first straight rod, and the other end of the second straight rod is rotatably connected to the first supporting rod 34. Vibrating structure 3 can also include that the top is connected in the support frame of second bracing piece 35 bottom, and one end is connected in 2 tops of dust removal bag, the other end is connected in a plurality of second connecting rods of support frame, can connect in dust removal bag 2 through a plurality of second connecting rods like this, improves the stability of dust removal bag 2. The second support bar 35 is connected to the middle of the support frame.

The ventilation and dust removal system in this embodiment may further include a third support bar 53 connected to the inner side of the dust bag 2, and a first telescopic pushing structure 51 having one end connected to one end of the third support bar 53 and configured to push one end of the inner side wall of the dust bag 2 when the first telescopic pushing structure is extended.

The shell 1 may include a bottom plate, a first side plate 13, a second side plate 14, both ends are connected respectively in first side plate 13 one end, third side plate 15 of 14 one ends of second side plate, connect in the first dodge gate of the 13 other end of first side plate, first flexible pushing structure 51 can be close to respectively in first side plate 13 for promoting respectively 2 inside walls of dust pocket, second side plate 14, three on the third side plate 15, still including being used for promoting 2 inside walls of dust pocket to be close to in the flexible pushing structure 52 of second of first dodge gate.

The third support rod 53 may have four screw grooves, the first telescopic pushing structure 51 includes a first screw 511 screwed to one screw groove, the first pressing plate 513 has one end connected to the first screw 511 and the other end connected to the first pressing plate 513, and a first spring 512 for pushing the first pressing plate 513 to extrude the dust bag 2, the second telescopic pushing structure 52 includes a second screw 521 screwed to one screw groove, and the second pressing plate 523 has one end connected to the second screw 521 and the other end connected to the second pressing plate 523 and a second spring 522 for pushing the second pressing plate 523 to extrude the dust bag 2.

The dust removal device further comprises two first clamping plates 41 arranged on one of the first side plate 13, the second side plate 14 and the third side plate 15, a first clamping groove 411 formed by the two first clamping plates 41 and the side plates on the shell 1 in a surrounding mode, a first mounting plate 412 clamped in the first clamping groove 411, and the other end of the first mounting plate 412 is connected to a first extrusion plate 513 of the first telescopic pushing structure 51 close to one dust removal side plate.

The first air inlet 11 on the housing 1 may penetrate through the ventilation groove 81, the first air inlet 11 is disposed at one end of the ventilation groove 81, the first sealing structure 8 includes a rotating shaft 82 fixed in the ventilation groove 81, and is sleeved on the first sealing plate 83 of the rotating shaft 82, one end of the first sealing structure is connected to the ventilation groove 81, and the other end of the first sealing structure is connected to the first sealing plate 83, so as to pull the third spring 84 of the first sealing plate 83 to seal the ventilation groove 81 when the first sealing plate 83 is not subjected to an external force. After the exhaust fan 74 exhausts air to the first air inlet 11, the air impacts the first sealing plate 83, the air impact force is larger than the pulling force of the third spring 84, the first sealing plate 83 is opened, the air enters the shell 1 from the first air inlet 11, after the air exhaust is finished, the third spring 84 pulls the first sealing plate 83, the top end of the first sealing plate 83 is abutted to the top end of the ventilation groove 81, the bottom end of the first sealing plate 83 is abutted to the bottom end of the ventilation groove 81, the first sealing plate 83 seals the ventilation groove 81, and the situation that dust falls to the ventilation groove 81 when the dust falls due to the fact that the dust bag 2 is driven to move up and down by the vibration structure 3 is avoided, and the dust collection effect is affected. The dust removal bag can be further arranged on a first signal transmitter at one end of the ventilation groove 81, the dust removal bag can be arranged at the other end of the ventilation groove 81, the first signal receiver is used for receiving signals sent by the first signal transmitter, the controller is used for controlling the first motor to be started when the first signal receiver does not receive signals sent by the first signal transmitter, the first sealing plate 83 is used for sealing the ventilation groove 81 when the first signal receiver does not receive signals sent by the first signal transmitter, at the moment, the vibration structure 3 can be started, the dust removal bag 2 is driven, dust can fall into the receiving structure 6, the first signal transmitter can be an infrared signal transmitter, the first signal receiver can be an infrared signal receiver, and the controller can be a PLC for controlling the first motor and a single chip microcomputer controller for receiving signals of the first signal receiver and then controlling the first motor through the PLC.

The receiving structure 6 may include a dust collection box 61, a first magnet 62 fixed on the bottom plate, a second magnet 63 fixed at the bottom end of the dust collection box 61 and used for adsorbing the first magnet 62, and a fourth spring 64 having one end connected to the first mounting plate 412 and the other end connected to the dust collection box 61 and used for keeping the balance between the pulling force of the first mounting plate 412 and the attraction force between the second magnet 63 and the first magnet 62 when the first mounting plate 412 is not moving upwards and driving the first mounting plate 412 to move upwards to pull the dust collection box 61 to abut against the first clamping plate 41 when the first mounting plate 412 is moving upwards. When the vibrating structure 3 is not moved, the pulling force of the fourth spring 64 on the dust collection box 61 is less than or equal to the suction force between the first magnet 62 and the second magnet 63, so that the forces exerted on the dust collection box 61 from top to bottom are kept balanced, so that the dust collection box 61 is located on the bottom plate, the exhaust fan 74 extracts the smoke on the workbench 73 to the first air guide channel and conveys the smoke to the first air inlet 11 through the conveying pipe 75, at this time, the dust collection box 61 is located at the lower end of the first air inlet 11, the smoke is not influenced to flow in from the first air inlet 11 and enters the dust collection bag 2 for dust collection, after the dust collection of the dust collection bag 2 is finished, the vibrating structure 3 drives the dust collection bag 2 to move upwards, so as to drive the first mounting plate 412 to move upwards, so as to drive the fourth spring 64 to move upwards, so that the pulling force exerted on the dust collection box 61 by the fourth spring 64 is greater than the suction force between the first magnet 62 and the second magnet 63, so as to pull the dust collection box 61 upwards to abut against the first clamping plate 41, the fourth spring 64 is located at the bottom end of the dust collection box 411, so that the dust collection box is still located in the dust collection box 411 in the first clamping groove 411 when the first clamping groove 412, and the dust collection box is located in the first clamping state, and the dust collection box 411, so that the dust collection efficiency is still improved when the dust collection box is still in the first clamping groove 411. Can also set up the seventh magnet in first joint piece bottom, set up the eighth magnet that is used for adsorbing in seventh magnet on dust collection box 61 top, make when dust collection box 61 moves to the butt in first joint piece eighth magnet adsorb in seventh magnet, in the process of first mounting panel 412 from first draw-in groove 411 top motion to first draw-in groove 411 bottom, even first mounting panel 412 gives fourth spring 64 thrust, the suction of eighth magnet and seventh magnet is greater than fourth spring 64 and gives dust collection box 61 decurrent thrust, further make dust collection box 61 butt in first joint piece, the position of dust collection box 61 keeps unchangeable, make the dust can fall into to dust collection box 61 from dust bag 2 in relatively fast, improve dust collection efficiency.

The ventilation and dust removal system in this embodiment may further include a third magnet 413 fixed to the first mounting plate 412, and the first pressing plate 513 is provided with a fourth magnet 514 for attracting the third magnet 413. A first screw 511 of the first telescopic pushing structure 51 close to the first side plate 13 is screwed to a threaded groove, the first mounting plate 412 is fastened to the first clamping groove 411, a third magnet 413 is mounted on the first mounting plate 412, a fourth magnet 514 for adsorbing the third magnet 413 is arranged on a first extrusion plate 513 of the first telescopic pushing structure 51 close to the first side plate 13, so as to connect the first extrusion plate 513 close to the first side plate 13 and the first mounting plate 412 together, the first spring 512 is extended, so as to extrude the first end of the dust removing bag, the first screw 511 of the first telescopic pushing structure 51 close to the second side plate 14 is screwed to a threaded groove, the first mounting plate 412 is fastened to the first clamping groove 411, the third magnet 413 is mounted on the first mounting plate 412, a fourth magnet 514 for adsorbing the third magnet 413 is arranged on the first extrusion plate 513 of the first telescopic pushing structure 51 close to the second side plate 14, thereby the first pressing plate 513 close to the second side plate 14 is connected with the first mounting plate 412, the first spring 512 is extended, thereby the second end of the dust removing bag is pressed, the first screw 511 close to the first telescopic pushing structure 51 of the third side plate 15 is screwed with a thread groove, the first mounting plate 412 is fastened with the first clamping groove 411, the third magnet 413 is mounted on the first mounting plate 412, the fourth magnet 514 which is used for being adsorbed on the third magnet 413 is arranged on the first pressing plate 513 close to the first telescopic pushing structure 51 of the third side plate 15, thereby the first pressing plate 513 close to the third side plate 15 is connected with the first mounting plate 412, the first spring 512 is extended, thereby the third end of the dust removing bag is pressed, the second screw 521 is screwed with a thread groove, the second spring 522 is extended, thereby the second pressing plate 523 is pushed to be extended by a length, second stripper plate 523 extrudes the dust bag fourth end, can not influence opening of second dodge gate again, when second bracing piece up-and-down motion, drives the dust bag up-and-down motion, and first mounting panel 412 up-and-down motion in first draw-in groove 411 improves the efficiency of dust bag clearance dust.

The above-described aspects may be implemented individually or in various combinations, and such variations are within the scope of the present invention.

It should be noted that, in the description of the present application, it should be noted that the terms "upper end", "lower end" and "bottom end" indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which the product of the application is usually placed in when the product of the application is used, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a" \8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (6)

1. A ventilation dust pelletizing system which characterized in that: comprises a fume hood (7), a dust removal cabinet used for receiving gas conveyed from the fume hood (7), wherein the fume hood (7) comprises a ventilation side plate (71), a workbench (73), a back plate (72) arranged at one end of the workbench (73), a wind guide hole arranged on the back plate (72), a first wind guide channel enclosed by the back plate (72) and the ventilation side plate (71) and used for extracting the gas in the first wind guide channel to form a negative pressure space in the first wind guide channel so that the gas in the workbench (73) enters an exhaust fan (74) in the first wind guide channel, the dust removal cabinet comprises a shell (1), a first air outlet (12) arranged at the top end of the shell (1), a first air inlet (11) arranged at the bottom end of the shell (1), a conveying pipe (75) with one end connected to the fume hood (7) and the other end connected to the first air inlet (11), a dust removal piece arranged in the shell (1), the dust removal piece comprises a dust removal bag (2) arranged in the shell (1), a second air inlet arranged at the bottom end of the dust removal bag (2), a sealing structure used for receiving the dust removal bag (6) and a sealing structure used for receiving the dust falling from the first air inlet (6) when the exhaust fan (6) and the first air inlet (8) are impacted, the vibration structure (3) is used for driving the dust removal bag (2) to enable dust in the dust removal bag (2) to fall into the receiving structure (6) and driving the receiving structure (6) to move away from the bottom end of the shell (1) to abut against the bottom end of the dust removal bag (2); the vibration structure (3) comprises a first motor (31), a motor shaft (32) arranged on the first motor (31), an eccentric wheel (33) arranged on the motor shaft (32), a first supporting rod (34) arranged at an eccentric position on the eccentric wheel (33), a second supporting rod (35) arranged at the top end of the dust removal bag (2), and a first connecting rod (36) with one end rotatably connected to the first supporting rod (34) and the other end rotatably connected to the second supporting rod (35); the dust removal bag also comprises a third support rod (53) connected to the inner side of the dust removal bag (2), and a first telescopic pushing structure (51) with one end connected to one end of the third support rod (53) and used for pushing one end of the inner side wall of the dust removal bag (2) when the third support rod is extended; the shell (1) comprises a bottom plate, a first side plate (13), a second side plate (14), a third side plate (15) and a first movable door, wherein the two ends of the third side plate (15) are respectively connected to one end of the first side plate (13) and one end of the second side plate (14); the third support rod (53) is provided with four thread grooves, the first telescopic pushing structure (51) comprises a first screw (511) screwed in one thread groove, a first extrusion plate (513), one end of the first extrusion plate is connected to the first screw (511), the other end of the first extrusion plate is connected to the first extrusion plate (513), and a first spring (512) for pushing the first extrusion plate (513) to extrude the dust removal bag (2); the dust removal device is characterized by further comprising two first clamping plates (41) arranged on one of the first side plate (13), the second side plate (14) and the third side plate (15), a first clamping groove (411) formed by the two first clamping plates (41) and the side plate on the shell (1) in a surrounding mode, and a first installation plate (412) clamped in the first clamping groove (411), wherein the other end of the first installation plate (412) is connected to a first extrusion plate (513) of a first telescopic pushing structure (51) close to one dust removal side plate; the receiving structure (6) comprises a dust collecting box (61), a first magnet (62) fixed on the bottom plate, the bottom end of the dust collecting box (61) is fixed, a second magnet (63) used for adsorbing the first magnet (62), one end of the second magnet is connected to the first mounting plate (412), the other end of the second magnet is connected to the dust collecting box (61), the pulling force of the first mounting plate (412) is kept balanced with the second magnet (63) when the first mounting plate is not moved upwards, and the first mounting plate (412) is moved upwards to drive the first mounting plate to move upwards to abut against a fourth spring (64) of the first clamping plate (41) so as to pull the dust collecting box (61).

2. A ventilated dust extraction system according to claim 1, wherein: the back plate (72) is obliquely arranged towards one side close to the workbench (73), and the air guide holes are arranged in multiple rows in a staggered mode.

3. A ventilating dust removing system as defined in claim 1, wherein: first flexible pushing structure (51) is close to respectively for promoting dust pocket (2) inside wall respectively in first curb plate (13), second curb plate (14), three on third curb plate (15), still including being used for promoting dust pocket (2) inside wall and being close to in the flexible pushing structure (52) of second of first dodge gate.

4. A ventilating dust collecting system according to claim 3, wherein: the second telescopic pushing structure (52) comprises a second screw (521) screwed with a thread groove, a second extrusion plate (523), and a second spring (522) with one end connected to the second screw (521) and the other end connected to the second extrusion plate (523) and used for pushing the second extrusion plate (523) to extrude the dust removal bag (2).

5. A ventilating dust removing system as defined in claim 1, wherein: lie in first air intake (11) department on shell (1) and run through and be equipped with ventilation groove (81), first air intake (11) set up in ventilation groove (81) one end, first seal structure (8) including being fixed in pivot (82) in ventilation groove (81), cup joint in first closing plate (83) of pivot (82), one end is connected in ventilation groove (81), the other end and is connected in first closing plate (83), is used for pulling third spring (84) of first closing plate (83) sealed ventilation groove (81) when first closing plate (83) do not receive external force.

6. A ventilating dust removing system as defined in claim 1, wherein: still including being fixed in third magnet (413) on first mounting panel (412), be equipped with fourth magnet (514) that are used for adsorbing third magnet (413) on first stripper plate (513).

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