CN111806050A - A dust removal method for a coating machine - Google Patents

Abstract

The invention discloses a dust removal method of a cladding machine, which relates to the technical field of cladding machines and comprises a frame, a plurality of driving wheels are arranged on the frame, a base material is placed on the upper surfaces of the driving wheels, a material conveying roller is arranged above the frame, the periphery of the delivery roll is wound and connected with a facing material, one side of the delivery roll is provided with a guide roll, the invention utilizes wind power to drive the dust removing ring and the brush head to rotate on one hand, thereby forming the dust removing effect matched with wind power blowing and brush head cleaning, meanwhile, the purpose of continuous dust removal can be achieved, and on the other hand, the dust removal brush head carries the same charges to generate electrostatic attraction to the small-particle dust and then throws the small-particle dust into the air flow, so that the dust removal effect is improved, and meanwhile, the dust is prevented from being adhered to the inside of the brush head.

Description

A dust removal method for a coating machine

technical field

The invention relates to the technical field of coating machines, in particular to a dust removal method for coating machines.

Background technique

The coating machine is a common sheet processing equipment, which is mainly used for the surface coating operation of regular linear substrates. Generally, various forming pressing wheels are used to simulate the action of manual veneer, and the veneer material is extruded and attached to the surface of the substrate along the contour of the substrate surface. surface coating.

When the existing coating machine is in use, it is necessary to remove dust from the surface of the base material and the veneer material to prevent dust from intervening in the bonding surface of the base material and the veneer material, so as to avoid dust affecting the degree of bonding between the veneer material and the base material and the adhesion of the veneer material. The smoothness of the surface after the surface material is combined with the base material, so as to avoid dust affecting the service life of the board.

The prior art discloses a paint-free door cold glue coating machine with application number CN201910024302.5, which uses the movement of the base material to rotate the mandrel, and then cleans and dedusts the surface of the base material and the coating material through the rotation of the mandrel , However, there is rolling friction between the mandrel and the surface of the substrate, and the dust removal effect on the surface of the substrate is extremely weak, and the cleaned dust is stored on the mandrel, which cannot be continuously removed, and needs to be stopped after a period of time for cleaning. , affecting the efficiency of the entire cladding work.

SUMMARY OF THE INVENTION

The purpose of the dust removal method for a coating machine proposed by the present invention is to solve the problem that in the traditional technology, the dust removal effect on the surface of the substrate is extremely weak, and the cleaned dust is stored on the mandrel, which cannot be continuously removed, and needs to be stopped after a period of time. Clean up issues that affect the efficiency of the entire cladding job.

In order to achieve the above object, the present invention adopts the following technical solutions:

S1. Start the drive wheel and feed roller on the frame, and the base material and veneer material pass through the inlet and outlet at the bottom and top of the hood;

S2. Start the exhaust fan, the external air enters the air hood through the air inlet on the air hood through the filter screen, and then blows to the two dust removal rings through the air duct between the air hood and the air guide block;

S3. The dust removal ring and the brush head rotate under the drive of wind. The induction coil on the brush head cuts the magnetic induction line emitted by the magnetic block in the mandrel, which generates an induced electromotive force, and makes the brush head carry the same charge. While removing dust on the surface of the material, electrostatic attraction is formed to small particles of dust;

S4. The cleaned dust is carried by the airflow, and is evacuated by the exhaust fan through the exhaust pipe to complete the entire dust removal operation;

The above-mentioned dust removal method for a cladding machine also relates to a dust removal device, the dust removal device comprises a frame, a plurality of transmission wheels are installed on the frame, and a base material is placed on the upper surface of the plurality of transmission wheels, and the machine A feeding roller is arranged above the frame, the outer peripheral side of the feeding roller is wound and connected with a covering material, one side of the feeding roller is provided with a guide roller, and the covering material bypasses the guiding roller and passes through the set on the machine. The pressing wheel on the frame is pressed against the base material;

A wind hood is fixedly connected to the frame, and inlets and outlets are provided on both sides of the top and bottom of the wind hood. The two inlets and outlets are in clearance fit with the base material and the veneer material, and both sides of the wind hood are provided with openings. There are air inlets, and filter screens are fixedly connected to the two air inlets. The outer side of one end of the air hood far away from the air inlet is connected with an air exhaust pipe, and one end of the air exhaust pipe away from the air hood is connected to the exhaust fan. Air guide blocks are fixedly connected on both sides in the hood, and the top and bottom of the air guide blocks form two air guide air ducts with the top and bottom of the air hood;

The inner top and bottom of the air hood are fixedly connected with a mandrel, and the outer peripheral side of the mandrel is coaxially connected with a dust removal ring. On the side of the two dust removal rings close to the base material and the veneer material;

A magnetic block is fixedly connected inside the mandrel, and a plurality of brush heads are symmetrically and fixedly connected on the peripheral side of the dust removal ring. The end of the head away from the mandrel abuts against the surface of the base material and the veneer material.

Preferably, the top and bottom of the hood and the air guide block are respectively parallel to the surfaces of the base material and the veneer material.

Preferably, the magnetic block is composed of a plurality of small magnetic blocks, and the same magnetic pole of the plurality of small magnetic blocks is located at one end of the bottom of the mandrel near the transmission direction of the base material.

Preferably, the rotational linear speed of one end of the brush heads away from the mandrel is greater than the moving speed of the substrate

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

1. In the present invention, under the operation of the exhaust fan, the external air enters the air hood through the air inlet on the air hood through the filter screen, and the filter screen prevents the dust in the external environment from entering the air hood, so as to avoid causing damage to the base material and the veneer material. Dust pollution.

2. In the present invention, the filtered air is blown to the dust-removing rings and a plurality of brush heads rotatably connected on the two mandrels through the guide air duct. During this process, the wind blows the base material and the veneer material. To remove dust, simultaneously drive the dust removal ring and multiple brush heads to rotate to clean and dedust the surface of the base material and the veneer material.

3. In the present invention, when the brush head rotates with the dust removal ring, since the magnetic pole of the magnetic block inside the mandrel is located at the bottom of the mandrel near the end of the transmission direction of the base material, when the brush head is just in contact with the base material and rotates to the axial direction of the magnetic pole of the magnetic block , the magnetic flux in the induction coil gradually accelerates and becomes larger, thereby generating the induced electromotive force in the same direction, so that the brush head is charged with the same charge, forming electrostatic attraction to small particles of dust, so that the dust is carried away from the surface of the substrate by the brush head. After the head continues to rotate, the magnetic flux in the induction coil gradually decreases until it is approximately constant. At this time, the dust is thrown out by the brush head, and then carried away by the airflow to complete the entire dust removal operation.

To sum up, on the one hand, the present invention uses the wind to drive the dust removal ring and the brush head to rotate to form a dust removal effect that combines wind blowing and brush head cleaning, and at the same time can achieve the purpose of continuous dust removal. This kind of electric charge produces electrostatic attraction to small particles of dust and then throws it into the airflow, which improves the dust removal effect and prevents dust from adhering to the brush head.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Figure 2 is a schematic diagram of the cross-sectional structure of the mandrel and the dust-removing ring of the present invention;

FIG. 3 is a schematic diagram of the magnetic field distribution of the magnet block of the present invention.

In the picture: 1 frame, 2 drive wheels, 3 feed rollers, 4 guide rollers, 5 air hoods, 51 air guide blocks, 511 air guide ducts, 52 air inlets, 521 filters, 6 exhaust pipes, 7 cores Shaft, 71 magnet blocks, 8 dust removal rings, 81 brush heads, 82 induction coils.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

Referring to Figure 1-3, a dust removal method for a coating machine, the specific method is as follows:

S1, start the transmission wheel 2 and the feeding roller 3 on the frame 1, and the base material and the veneer material pass through the inlet and outlet of the bottom and top of the air cover 5;

S2, start the exhaust fan, the outside air enters the air hood 5 through the air inlet 52 on the air hood 5 through the filter 521, and then blows to the two dust collectors through the air guide duct 511 between the air hood 5 and the air guide block 51 ring 8;

S3, the dust removal ring 8 and the brush head 81 are rotated under the driving of wind, and the induction coil 82 on the brush head 81 cuts the magnetic induction line sent by the magnetic block 71 in the mandrel 7 to generate an induced electromotive force, and the brush head 81 carries the same A kind of electric charge, which forms electrostatic attraction to small particles of dust while brushing the dust on the surface of the substrate;

S4. The cleaned dust is carried by the airflow, and is evacuated by the exhaust fan through the exhaust pipe 6 to complete the entire dust removal operation;

The above-mentioned method for dedusting the coating machine also relates to a dedusting device. The dedusting device comprises a frame 1, a plurality of transmission wheels 2 are installed on the frame 1, a base material is placed on the upper surface of the plurality of transmission wheels 2, and the transmission wheel 2 conveys the base material. material.

The top of the frame 1 is provided with a feeding roller 3, the outer peripheral side of the feeding roller 3 is wound and connected with a veneer material, one side of the feeding roller 3 is provided with a guide roller 4, and the veneer material bypasses the guide roller 4 and passes through the The pinch roller on the frame 1 is pressed against the substrate.

A hood 5 is fixedly connected to the frame 1. The top and bottom of the hood 5 are respectively parallel to the surface of the base material and the veneer material. The top and bottom sides of the hood 5 are provided with inlets and outlets. The veneer materials are gap-fitted, air inlets 52 are opened on both sides of the air hood 5, and a filter screen 521 is fixedly connected to the two air inlets 52, and the two are dedusted in the air hood 5 to avoid the dust contained in the outside air. into the hood 5.

One end of the hood 5 away from the air inlet 52 is connected with an exhaust pipe 6, and one end of the exhaust duct 6 away from the hood 5 is connected to the exhaust fan, which is the power source for air flow.

Air guide blocks 51 are fixedly connected on both sides of the air hood 5. The top and bottom of the air guide blocks 51 are respectively parallel to the surface of the base material and the veneer material. The air guide duct 511 restricts the flow direction of the airflow.

A mandrel 7 is fixedly connected to the inner top and bottom of the air hood 5, and a dust removal ring 8 is coaxially connected to the outer peripheral side of the mandrel 7, and a plurality of brush heads 81 are symmetrically and fixedly connected to the peripheral side of the dust removal ring 8, and two air guides The input end of 511 is connected to the two air inlets 52 respectively, and the output end faces the two dust removal rings 8 respectively on the side of the base material and the veneer material. Blowing dust is formed, and at the same time, the dust removal ring 8 and the brush head 81 are driven to rotate to form cleaning and dust removal on the surface of the base material and the veneer material.

A magnetic block 71 is fixedly connected inside the mandrel 7, and the magnetic block 71 is composed of a plurality of small magnetic blocks, and the same magnetic pole of the plurality of small magnetic blocks is located at the bottom of the mandrel 7 near the end of the transmission direction of the substrate, and a plurality of brush heads 81 extend into An induction coil 82 is fixedly connected to one end of the dust removal ring 8, and one end of the brush heads 81 away from the mandrel 7 abuts against the surface of the base material and the veneer material. During the rotation of the brush heads 81, they rotate to the bottom and top of the vertical direction. When the change of the magnetic flux in the induction coil 82 is the largest, a sufficient induced electromotive force is generated so that the brush head 81 is charged with the same charge.

The linear speed of the rotation of one end of the plurality of brush heads 81 away from the mandrel 7 is greater than the moving speed of the base material, so as to avoid leakage when cleaning the base material.

The principle of the present invention is now described as follows:

First, start the drive wheel 2 and the feed roller 3 on the frame 1, the substrate passes through the drive wheel 2 and passes through the inlet and outlet of the bottom of the air hood 5, and the veneer material on the feed roller 3 bypasses the guide roller 4 and then passes through The inlet and outlet of the top of the wind cover 5 are pressed on the base material by the pressing wheel arranged on the frame 1;

Start the exhaust fan. Under the operation of the exhaust fan, the external air enters into the air hood 5 through the air inlet 52 on the air hood 5 through the filter screen 521, so as to prevent external dust from entering the air hood 5 and causing dust pollution to the base material and the veneer material. ;

The filtered air is then blown through the air guide duct 511 between the air hood 5 and the air guide block 51 to the dust removal ring 8 rotatably connected on the two mandrels 7 and the plurality of brush heads 81 close to the base material and the veneer material. In this process, the wind blows dust on the base material and the veneer material, and drives the dust removal ring 8 and the plurality of brush heads 81 to rotate at the same time;

At the same time, since the magnetic pole of the magnet block 71 inside the mandrel 7 is located at one end of the bottom of the mandrel 7 close to the transmission direction of the base material, when the brush head 81 is in pressing contact with the base material and rotates to the axial direction of the magnetic pole of the magnet block 71, the induction coil 82 The magnetic flux in the interior is gradually accelerated and increased, thereby generating the induced electromotive force in the same direction, so that the brush head 81 is charged with the same kind of charge, forming electrostatic attraction to the small particles of dust, so that the dust is carried away from the surface of the substrate by the brush head 81. After the 81 continues to rotate, the magnetic flux in the induction coil 82 gradually decreases until it is approximately constant. At this time, the dust is thrown out by the brush head 81, and then carried away by the airflow;

Finally, the dust that has been blown, swept and thrown by the airflow is taken away by the exhaust fan through the exhaust pipe 6 to prevent the dust from falling back to the surface of the base material and the veneer material, and the entire dust removal operation is completed;

To sum up, on the one hand, the present invention uses the wind to drive the dust removal ring 8 and the brush head 81 to rotate to form a dust removal effect that cooperates with wind blowing and the cleaning of the brush head 81, and can achieve the purpose of continuous dust removal, on the other hand, through the rotation of the brush head 81. During the process, the same charge is carried to generate electrostatic attraction to the small particles of dust, and then the dust is thrown into the air flow, which improves the dust removal effect and prevents dust from adhering to the brush head 81 at the same time.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (4)

1. A dust removal method of a cladding machine is characterized by comprising the following specific steps:

s1, starting a driving wheel (2) and a material conveying roller (3) on the frame (1), and enabling the base material and the facing material to pass through inlets and outlets at the bottom and the top of the fan cover (5);

s2, starting an exhaust fan, enabling outside air to enter the fan housing (5) through the filter screen (521) through an air inlet (52) on the fan housing (5), and blowing the outside air to the two dust removing rings (8) through a flow guide air duct (511) between the fan housing (5) and the air guide block (51);

s3, the dust removing ring (8) and the brush head (81) rotate under the drive of wind power, an induction coil (82) on the brush head (81) cuts magnetic induction lines emitted by a magnetic block (71) in the mandrel (7) to generate induced electromotive force, the brush head (81) is enabled to carry the same kind of charges, and when dust on the surface of a base material is brushed, electrostatic attraction is formed on small-particle dust;

s4, the cleaned dust is carried by the airflow and is exhausted by the exhaust fan through the exhaust pipe (6), and the whole dust removal operation is completed;

the dust removal method of the cladding machine also relates to a dust removal device, the dust removal device comprises a rack (1), a plurality of driving wheels (2) are mounted on the rack (1), a base material is placed on the upper surfaces of the driving wheels (2), a conveying roller (3) is arranged above the rack (1), veneering materials are wound and connected on the outer peripheral side of the conveying roller (3), a guide roller (4) is arranged on one side of the conveying roller (3), and the veneering materials bypass the guide roller (4) and are pressed on the base material through a pressing wheel arranged on the rack (1);

the air draft fan is characterized in that a fan cover (5) is fixedly connected to the rack (1), an inlet and an outlet are formed in the top and the bottom of the fan cover (5), the two inlets and the outlet are in clearance fit with a base material and a facing material, air inlets (52) are formed in the two sides of the fan cover (5), a filter screen (521) is fixedly connected to the two air inlets (52), an air draft pipe (6) is communicated with the outer side of one end, away from the air inlets (52), of the fan cover (5), one end, away from the fan cover (5), of the air draft pipe (6) is communicated with an air draft fan, air guide blocks (51) are fixedly connected to the two sides of the inside of the fan cover (5), and the top and the bottom of each air guide block;

the top and the bottom in the fan cover (5) are fixedly connected with a mandrel (7), the outer peripheral side of the mandrel (7) is coaxially and rotatably connected with dust removing rings (8), the input ends of the two diversion air ducts (511) are respectively communicated with the two air inlets (52), and the output ends of the two diversion air ducts are respectively opposite to one sides, close to the base material and the facing material, of the two dust removing rings (8);

dabber (7) inside fixedly connected with magnetic path (71), dust removal ring (8) week side symmetry fixedly connected with a plurality of brush heads (81), it is a plurality of brush head (81) extend into dust removal ring (8) in one end fixedly connected with induction coil (82), it is a plurality of brush head (81) are kept away from dabber (7) one end and are leaned on and lean on at substrate and wainscot material surface.

2. A method according to claim 1, wherein the top and bottom of the wind shield (5) and the wind guide block (51) are parallel to the surface of the base material and the facing material, respectively.

3. The dust removing method of the cladding machine is characterized in that the magnetic block (71) is composed of a plurality of small magnetic blocks, and the same magnetic pole of the plurality of small magnetic blocks is positioned at one end of the bottom of the mandrel (7) close to the direction of the base material.

4. A method according to claim 1, wherein the linear speed of rotation of the brush heads (81) away from the mandrel (7) is greater than the speed of movement of the substrate.

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