CN112570159A

CN112570159A - Roll up board electrostatic powder spraying room

Info

Publication number: CN112570159A
Application number: CN202011501663.3A
Authority: CN
Inventors: 高敏坚; 柯儒群
Original assignee: Yudong Zhongshan Machinery Engineering Co ltd
Current assignee: Yudong Zhongshan Machinery Engineering Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-03-30

Abstract

The invention discloses a plate rolling electrostatic powder spraying chamber, which comprises: the spraying chamber is mainly provided with a coil inlet and a coil outlet for the coil to enter and exit; the spray gun is arranged in the spraying chamber main body and is used for spraying the coiled plate in the spraying chamber main body; the airflow system comprises at least one air inlet positioned at the non-spraying side of the rolling plate, and can guide or drive airflow to blow from the non-spraying side of the rolling plate to the spraying chamber at any one or more positions except the non-spraying side of the rolling plate, so that the over-sprayed powder is prevented from adhering to the non-spraying side of the rolling plate, and the pollution problem of the over-sprayed powder on the non-spraying side of the rolling plate can be effectively solved.

Description

Roll up board electrostatic powder spraying room

Technical Field

The invention relates to the field of electrostatic powder spraying, in particular to a plate rolling electrostatic powder spraying chamber.

Background

At present, the convulsions mode of roll up board electrostatic powder spray booth generally arranges in the non-spraying face one side of coiled material, can lead to like this in the spraying process, and the powder can fly to the non-spraying face's of coiled material one side, leads to the powder adhesion of back more easily, and is difficult to effectively clear away, causes the difficulty to the subsequent spraying of the non-spraying face of coiled material or technology processing.

In order to prevent the non-spraying surface of the coiled material from adsorbing over-sprayed powder in the spraying process, a contact type isolation protection measure needs to be adopted. Generally, a film coating method is adopted to protect and shield the non-spraying surface of the coiled material, and film coating and film removing processes are required, so that the efficiency is low and the cost is high.

In addition, the edge air curtain is adopted to shield the excessive powder overflowing from the two sides of the sprayed substrate, but the isolation effect of the actual application is not obvious, the powder can fly everywhere and the cost is high, and the powder can still be attached to the board surface which does not need powder spraying.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a plate rolling electrostatic powder spraying chamber which effectively prevents the powder from being adsorbed and accumulated on the non-spraying surface of a coiled material by utilizing the induced draft airflow in the existing induced draft system and through the specific air inlet direction and airflow guidance.

A rolling plate electrostatic powder spray booth according to an embodiment of a first aspect of the present invention includes: the spraying chamber comprises a spraying chamber main body, a spray gun group and an airflow system, wherein a coil plate inlet and a coil plate outlet which can be used for the coil plate to enter and exit are formed in the spraying chamber main body; the spray gun group is arranged in the spraying chamber main body and is used for spraying the coiled plate in the spraying chamber main body; the air flow system comprises at least one air inlet positioned at the non-spraying side of the rolling plate, and can guide or drive air flow to blow from the non-spraying side of the rolling plate to any one or more positions in the spraying chamber main body except the non-spraying side of the rolling plate.

The plate rolling electrostatic powder spraying chamber provided by the embodiment of the invention at least has the following beneficial effects: the powder is reduced from falling to the non-spraying side of the rolling plate, and the adsorption accumulation of the powder on the non-spraying surface of the coiled material can be effectively reduced.

In some embodiments of the invention, the airflow system includes a main intake vent of adjustable or fixed width located on the non-spray side of the rolled sheet, such that the airflow system can draw in outside air from the main intake vent to blow the airflow from the non-spray side of the rolled sheet to any one or more locations within the spray booth body other than the non-spray side of the rolled sheet.

In some embodiments of the present invention, the gas flow system is capable of forming a high-speed gas flow region at the two side edge locations of the rolled sheet to reduce the occurrence of powder entering the non-spray side of the rolled sheet through the two side edge locations of the rolled sheet.

In some embodiments of the present invention, the airflow system includes edge air ducts with adjustable or fixed width at the two side edges of the rolling plate, and the high-speed airflow zone is located at the edge air ducts, so as to achieve the effect of high-efficiency isolation.

In some embodiments of the invention, the width of the edge air duct is adjustable, so that the air speed or the air volume can be adjusted conveniently to meet different use requirements.

In some embodiments of the invention, the edge duct is configured to be non-adjustable in width to accommodate spray chambers that correspond to wind speed or wind volume requirements.

In some embodiments of the present invention, an edge air guiding device is slidably or fixedly disposed at a side edge position of the rolling plate, and a gap is formed between the edge air guiding device and the side edge of the rolling plate, so as to form an edge air duct with an adjustable or fixed width at the side edge position of the rolling plate, thereby achieving an effect of narrowing the air duct.

In some embodiments of the present invention, the edge wind guide device is slidably installed in the spray chamber, and the effect of adjusting the width of the edge wind channel is achieved by sliding the position of the edge wind guide device.

In some embodiments of the present invention, the edge wind guide device is fixedly installed in the spray chamber, so that the width of the edge wind channel is not adjustable, and the edge wind channel is suitable for the spray chamber corresponding to the wind speed or wind volume requirement.

In some embodiments of the present invention, the wind speed of the edge wind channel is higher than the average wind speed of the roll bending inlet/outlet and the wind inlet, so as to form a high-speed airflow region and improve the isolation effect.

In some embodiments of the invention, the edge ducts may have a velocity of 0.6-40m/sec to meet the isolation requirements.

In some embodiments of the present invention, the air flow system includes at least one main suction opening disposed on both sides of the spray gun assembly, the main suction opening forms a suction opening gap in the main spray booth body, and the suction opening gap can be set to full height range suction or local area suction inside the main spray booth body, so that the air flow of the air flow system can be exhausted from the main suction openings on both sides of the rear portion of the spray gun assembly to drive or guide the air flow to blow from the non-spray side of the rolled plate to the rear portion of the spray gun assembly, thereby achieving a better isolation effect.

In some embodiments of the present invention, the air flow system includes at least one rear main air suction opening disposed at the rear of the spray gun group, the rear main air suction opening forms an air suction opening gap in the main body of the spray booth, and the air suction opening gap can be set to full-height range air suction or local area air suction inside the main body of the spray booth, so that the air flow of the air flow system can be exhausted from the rear main air suction openings at both sides of the rear of the spray gun group to drive or guide the air flow to blow from the non-spraying side of the rolled plate to the rear of the spray gun group, thereby achieving a better isolation effect.

Rear main air suction openings are arranged on two sides of the rear part of the spray gun, so that the powder deposition amount adhered to the spray gun shell and the spray gun mounting bracket can be reduced through air flow.

In some embodiments of the present invention, the air flow system includes at least one side main air suction opening disposed at two sides of the spray gun group, the side main air suction opening forms an air suction opening gap in the main body of the spray booth, and the air suction opening gap can be set to full-height range air suction or local area air suction inside the main body of the spray booth, so that the air flow of the air flow system can be discharged from the side main air suction openings at two sides of the spray gun group to drive or guide the air flow to blow from the non-spraying side of the rolling plate to two sides of the spray gun group, thereby achieving a better isolation effect.

In some embodiments of the present invention, at least one rear opening with adjustable or fixed width is disposed at the rear of the spray gun group, and the rear opening can provide air flow or the air flow to the spray gun group, so as to achieve air supply function and facilitate the air flow to the spray gun group.

In some embodiments of the invention, the rear opening is arranged to be adjustable in width so as to adjust the wind speed or the wind volume, facilitate the entry and exit of spray guns with different specifications, and can seal the rear opening to meet different use requirements.

In some embodiments of the invention, the rear opening is configured to be non-adjustable in width to meet a set air flow access requirement or lance access requirement.

In some embodiments of the invention, the gap of the air suction opening is parallel to the movement direction of the rolling plate, so that a better air suction effect can be achieved.

In some embodiments of the invention, auxiliary air inlets with adjustable or fixed width are arranged on two sides in the main body of the spray chamber, which are opposite to the spray gun group, so as to realize air supplement at the side position, and better air circulation can be formed in the spray chamber, and air flow dead angles are reduced.

In some embodiments of the invention, the auxiliary air inlet is adjustable in width so as to adjust the air speed or the air quantity, and the auxiliary air inlet can be closed to meet different use requirements.

In some embodiments of the present invention, the auxiliary air inlet is configured to have a non-adjustable width to meet a set air volume inlet/outlet requirement or a spray gun inlet/outlet requirement.

In some embodiments of the invention, the edge position of the side surface of the non-spraying surface of the rolling plate is provided with the rolling plate edge seam air blowing device, and the rolling plate edge seam air blowing device can blow air outwards from the edge of the side surface of the non-spraying surface of the rolling plate, so that a high-speed airflow area can be formed at the edge position of the side surface of the rolling plate, and a better isolation effect is achieved.

In some embodiments of the invention, the airflow system comprises an edge exhaust pipe arranged at the edge position of the side surface of the rolling plate, the edge exhaust pipe is provided with an exhaust pipe air inlet corresponding to the edge of the side surface of the rolling plate, the overspray dust at the edge position of the side surface of the rolling plate can be exhausted, and a high-speed airflow zone can be formed, so that a better isolation effect is achieved.

In some embodiments of the invention, a non-spraying surface air blowing device capable of blowing air to the side edge of the rolled plate is arranged on the non-spraying side of the rolled plate so as to further reduce the accumulation of dust on the non-spraying side of the rolled plate.

In some embodiments of the invention, a gap is formed between the rolling plate inlet and outlet and the rolling plate, and an inlet and outlet sealing device is arranged at the rolling plate inlet and outlet to reduce the external dust from entering the spraying chamber or overflowing the dust in the spraying chamber.

In some embodiments of the invention, the inlet and outlet sealing means comprises air curtain sealing means, which provides a good isolation effect by forming an air curtain.

In some embodiments of the present invention, the inlet and outlet sealing means comprises mechanical contact sealing means corresponding to the non-sprayed surface of the rolled sheet, forming a contact seal structure, which achieves the desired sealing effect.

In some embodiments of the invention, the spray chamber main body can be used for conveying and passing the rolled plate in a horizontal, vertical or inclined mode, so that the spray gun group can vertically, horizontally or obliquely spray the rolled plate to meet different use requirements.

In some embodiments of the invention, the rolled sheet passes horizontally through the spray booth body.

In some embodiments of the invention, the rolled sheet passes vertically through the spray booth body.

In some embodiments of the invention, the booth body is assembled from fixed panels or from panels that can be folded/moved to achieve a fixed configuration booth or a deformable booth.

In some embodiments of the invention, the booth body is assembled from foldable/movable panels to enable a flexible booth for easy cleaning.

In some embodiments of the present invention, the rolled sheet is transported horizontally, vertically, or obliquely through the main body of the spray booth, and the spray surface and the horizontal plane of the rolled sheet are positioned relative to each other in a parallel, vertical, or spatial geometric angle, but not limited to the parallel, vertical, or spatial geometric angle, to achieve different spray effects.

In some embodiments of the invention, the average wind speed of the inlet and outlet of the rolling plate and the air inlet is 0.4-6 m/sec.

The attached drawings are illustrated.

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram illustrating an internal structure of a rolling plate electrostatic powder spraying chamber according to a first embodiment of the present invention when a main air inlet and an auxiliary air inlet are opened;

FIG. 2 is a schematic diagram of the internal structure of the primary air inlet and the secondary air inlet of the electrostatic powder spraying chamber according to the first embodiment of the present invention;

FIG. 3 is a schematic view showing the internal structure of a rolling plate electrostatic powder coating chamber according to a second embodiment of the present invention;

FIG. 4 is a schematic view of the internal structure of a rolling plate electrostatic powder spraying chamber according to a third embodiment of the present invention;

FIG. 5 is a schematic diagram of the internal structure of a rolling plate electrostatic powder spraying chamber according to a fourth embodiment of the present invention;

FIG. 6 is a schematic structural view of a fifth embodiment of the present invention when the electrostatic powder spray booth is closed;

FIG. 7 is a schematic structural view of a plate rolling electrostatic powder spraying chamber according to a fifth embodiment of the present invention;

FIG. 8 is a schematic view of the spray application of the present invention with the roll sheet moving horizontally;

FIG. 9 is a schematic side view of the structure of FIG. 8;

FIG. 10 is a schematic view of the spray application of the present invention with the web moving vertically.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 10, a rolling plate electrostatic powder spray booth according to an embodiment of the present invention includes: the spraying chamber comprises a spraying chamber main body 100, a spraying gun group 200 and an airflow system, wherein a rolling plate inlet and outlet 110 for a rolling plate 900 to enter and exit is formed in the spraying chamber main body 100; the spray gun group 200 is arranged in the spray booth main body 100 and is used for spraying the rolling plate 900 in the spray booth main body 100; the airflow system comprises at least one air inlet positioned at the non-spraying side of the rolling plate 900, and the airflow system can guide or drive airflow to blow from the non-spraying side of the rolling plate 900 to any one or more positions in the spraying chamber main body 100 except the non-spraying side of the rolling plate 900, so that the powder is reduced to fall to the non-spraying side of the rolling plate 900, and the adsorption accumulation of the powder on the non-spraying side of the rolling plate can be effectively reduced.

Specifically, the air flow system can guide or drive the air flow from the non-spray side of the wrap 900 to any one or more positions in the spray booth body 100 other than the non-spray side of the wrap 900, and the air flow system can guide or drive the air flow from the non-spray side of the wrap 900 to the front of the spray side of the wrap 900 or the lateral position of the spray side of the wrap 900, thereby reducing the powder from falling to the non-spray side of the wrap 900.

In some embodiments of the present invention, the airflow system includes an adjustable or fixed width primary intake vent 310 on the non-spray side of rolled sheet 900, such that the airflow system can draw external air from primary intake vent 310 to blow airflow from the non-spray side of rolled sheet 900 to any one or more locations within spray booth body 100 other than the non-spray side of rolled sheet 900.

The primary air inlet 310 is adjustable in width so as to be convenient for closing or adjusting the air inflow and meet different use requirements.

Specifically, the width of the air duct plate can be adjusted by slidably disposing the main air inlet 310.

The main air inlet 310 has a fixed width, so as to be suitable for a spray room corresponding to the requirement of the air inlet amount.

In addition, in the implementation process, the main air inlet 310 may not be arranged, and the active air supply device is arranged on the non-spraying side of the rolling plate 900 to realize the input of the air quantity.

In some embodiments of the present invention, the gas flow system is capable of forming a high-speed gas flow region at the two side edge locations of the rolled sheet 900 to reduce the occurrence of powder entering the non-spray side of the rolled sheet 900 through the two side edge locations of the rolled sheet 900.

In the invention, the high-speed airflow region can be realized by narrowing the air channel, increasing the airflow jet orifice or increasing the airflow suction inlet, so that the airflow speed at the edge positions of two sides of the rolling plate 900 is at least higher than the average wind speed of the inlet and the outlet of the rolling plate 900 and the wind inlet, thereby achieving the effect similar to an air curtain.

In some embodiments of the present invention, the airflow system includes edge air channels 351 with adjustable or fixed widths at the two side edges of the rolling plate 900, and the high-speed airflow region is located at the edge air channels 351, so as to achieve the effect of efficient isolation.

In some embodiments of the present invention, the width of the edge wind channel 351 is adjustable, so as to adjust the wind speed or wind volume to meet different requirements.

In some embodiments of the present invention, the edge wind tunnel 351 is configured to have an unadjustable width to accommodate spray booths that meet wind speed or wind volume requirements.

In some embodiments of the present invention, the edge wind guiding device 350 is slidably or fixedly disposed at the side edge position of the rolling plate 900, and a gap is formed between the edge wind guiding device 350 and the side edge of the rolling plate 900, so as to form an edge wind channel 351 with an adjustable or fixed width at the side edge position of the rolling plate 900, thereby achieving the effect of narrowing the wind channel.

In some embodiments of the present invention, the edge wind guide 350 is slidably installed in the spray booth, and the effect of adjusting the width of the edge wind channel 351 is achieved by sliding the position of the edge wind guide 350.

In some embodiments of the present invention, the edge wind guide device 350 is fixedly installed in the spray booth, so that the width of the edge wind channel 351 is not adjustable, so as to be suitable for the spray booth corresponding to the wind speed or wind volume requirement.

In some embodiments of the present invention, the wind speed of the edge wind channel 351 is higher than the average wind speed of the roll bending inlet/outlet 110 and the wind inlet, so as to form a high-speed airflow region and improve the isolation effect.

In some embodiments of the present invention, the edge wind tunnel 351 has a wind speed of 0.6-40m/sec, which can meet the isolation requirement.

In some embodiments of the present invention, the air flow system includes at least one main air suction opening 320 disposed at two sides of the rear portion of the spray gun assembly 200, the main air suction opening 320 forms an air suction opening gap in the spray booth main body 100, and the air suction opening gap can be set to a full height range air suction or a local area air suction inside the spray booth main body 100, so that the air flow of the air flow system can be discharged from the main air suction openings 320 at two sides of the rear portion of the spray gun assembly 200 to drive or guide the air flow to blow from the non-spraying side of the rolling plate 900 to the rear portion of the spray gun assembly 200, thereby achieving a better isolation effect.

The main suction ports 320 are formed at both sides of the rear portion of the spray gun to reduce the amount of powder deposited on the spray gun housing and the spray gun mounting bracket by means of air flow.

Of course, in the specific implementation process, the main suction opening 320 may not be provided, and suction may be realized through suction openings at other positions.

In some embodiments of the present invention, the airflow system includes at least one rear main suction opening 330 disposed at the rear of the spray gun assembly 200, the rear main suction opening 330 forms a suction opening gap in the spray booth main body 100, and the suction opening gap can be set to full-height range suction or partial area suction inside the spray booth main body 100, so that the airflow of the airflow system can be discharged from the rear main suction openings 330 at both sides of the rear of the spray gun assembly 200 to drive or guide the airflow from the non-spraying side of the rolling plate 900 to the rear of the spray gun assembly 200, thereby achieving a better isolation effect.

Rear main suction ports 330 are provided at both sides of the rear portion of the spray gun to reduce the amount of powder deposited on the spray gun housing and the spray gun mounting bracket by means of air flow.

Specifically, the rear of the gun group 200 refers to the reverse direction of the spray guns, that is, the spray direction of the spray guns is set to the front of the gun group 200, which is different from the overall direction setting of the spray booth body 100.

Of course, in the specific implementation process, the rear main suction opening 330 may not be provided, and suction may be realized through suction openings at other positions.

In some embodiments of the present invention, the air flow system includes at least one side main air suction opening 340 disposed at two sides of the spray gun assembly 200, the side main air suction opening 340 forms an air suction opening gap in the spray booth main body 100, and the air suction opening gap can be set to a full height range air suction or a local area air suction inside the spray booth main body 100, so that the air flow of the air flow system can be exhausted from the side main air suction openings 340 at two sides of the spray gun assembly 200 to drive or guide the air flow to blow from the non-spraying side of the rolled plate 900 to two sides of the spray gun assembly 200, thereby achieving a better isolation effect.

Of course, in the specific implementation process, the side main suction opening 340 may not be provided, and air suction is realized through suction openings at other positions.

In some embodiments of the present invention, at least one rear opening 370 with an adjustable or fixed width is provided at the rear of the spray gun assembly 200, and the rear opening 370 can provide air flow or air inlet and outlet of the spray gun assembly 200, so as to achieve air supply function and facilitate air inlet and outlet of the spray gun assembly 200.

In some embodiments of the present invention, the rear opening 370 is configured to have an adjustable width, so as to facilitate adjustment of the wind speed or the wind volume, and to facilitate the entry and exit of spray guns of different specifications, and the rear opening 370 can be closed to meet different use requirements.

In particular, the width adjustment may be achieved by sliding the duct plate providing the rear opening 370.

In some embodiments of the present invention, the rear opening 370 is configured to be non-adjustable in width to meet a set air flow access requirement or lance access requirement.

Of course. In the implementation process, the rear opening 370 may not be provided, and the air may enter or exit the spray gun through openings at other positions.

In some embodiments of the present invention, the air suction gap is parallel to the movement direction of the rolling plate 900, so as to achieve a better air suction effect.

Of course, in the specific implementation process, the air suction opening gap can be set to be inclined relative to the movement direction of the rolling plate 900, and the air suction effect can also be achieved.

In some embodiments of the present invention, auxiliary air inlets 321 with adjustable or fixed width are disposed at two sides of the interior of the spray booth body 100, which are opposite to the spray gun groups 200, so as to achieve air compensation at the side position, and to form better air circulation in the spray booth and reduce dead air flow.

In some embodiments of the present invention, the auxiliary air inlet 321 is adjustable in width, so as to adjust the air speed or the air volume, and facilitate the access of the spray guns with different specifications, and the auxiliary air inlet 321 can be closed to meet different use requirements.

Specifically, the width of the air duct plate of the auxiliary air inlet 321 can be adjusted by sliding the air duct plate.

In some embodiments of the present invention, the auxiliary air inlet 321 is configured to have a non-adjustable width to meet a set air inlet/outlet requirement or a spray gun inlet/outlet requirement.

In some embodiments of the present invention, a rolling plate edge gap blowing device 410 is configured at the side edge position of the rolling plate 900, and the rolling plate edge gap blowing device 410 can blow air outwards from the side edge of the rolling plate 900, so that a high-speed airflow region can be formed at the side edge position of the rolling plate 900, and a good isolation effect is achieved.

In some embodiments of the present invention, the airflow system includes an edge air exhaust pipe 360 disposed at the edge of the side surface of the rolling plate 900, and the edge air exhaust pipe 360 is provided with an air intake 361 corresponding to the edge of the side surface of the rolling plate 900 to exhaust dust at the edge of the side surface of the rolling plate 900, and a high-speed airflow region can be formed to achieve a better isolation effect.

As shown in fig. 4, 5 and 6, in some embodiments of the present invention, an air inlet 361 of the air suction pipe and a side main air suction opening 340 are both configured to achieve a better effect of internal air suction and dust removal; of course, in the specific implementation process, only the air intake 361 of the air-extracting duct or the main side air-extracting opening 340 may be provided, for example, only one set (two) of air intake 361 of the air-extracting duct or only one set (two or more) of main side air-extracting openings 340 may be provided, and the functions of the two air openings are integrated together, so that the original effect of internal air-extracting and dust-removing may be achieved, which is not described in detail herein.

In some embodiments of the present invention, a non-spray face air-blowing device 420 capable of blowing toward the side edges of the rolled sheet 900 is provided on the non-spray side of the rolled sheet 900 to further reduce the accumulation of dust on the non-spray side of the rolled sheet 900.

In some embodiments of the present invention, there is a gap between the rolling plate inlet/outlet 110 and the rolling plate 900, and an inlet/outlet sealing device 120 is disposed at the rolling plate inlet/outlet 110 to reduce the external dust from entering the spray booth or the dust overflowing from the spray booth.

In some embodiments of the present invention, the inlet and outlet sealing means comprises mechanical contact sealing means corresponding to the non-sprayed surface of the rolled sheet 900 to form a contact seal structure, which can achieve the desired sealing effect.

In some embodiments of the present invention, the spray booth body 100 can convey the rolled sheet 900 horizontally, vertically or obliquely, so that the spray gun set 200 can spray the rolled sheet 900 vertically, horizontally or obliquely to meet different use requirements.

As shown in fig. 8 and 9, in some embodiments of the invention, rolling plate 900 passes horizontally through spray booth body 100.

As shown in FIG. 10, in some embodiments of the invention, the rolling plate 900 passes vertically through the spray booth body 100.

In some embodiments of the invention, the booth body 100 is assembled from fixed panels or from panels that can be folded/moved to achieve a fixed configuration booth or a deformable booth.

In some embodiments of the invention, the booth body 100 is formed of a combination of foldable/movable panels to provide a flexible booth for easy cleaning, as shown in fig. 6 and 7.

In some embodiments of the present invention, the rolled sheet 900 is transported horizontally, vertically, or obliquely through the spray booth body 100, and the spray surface and the horizontal plane of the rolled sheet 900 are positioned relative to each other but not limited to parallel, vertical, or in a geometric angle in space (or included angle) to achieve different spray effects.

In some embodiments of the present invention, the average wind speed of the coil inlet/outlet 110 and the air inlet is 0.4-6 m/sec.

Examples of the present invention are described in detail below:

example one

As shown in fig. 1 and fig. 2, in the present embodiment, the side of the spray booth body 100 corresponding to the non-spraying side of the rolled sheet 900 is disposed at the main air inlet 310 and the auxiliary air inlet 321, and both the main air inlet 310 and the auxiliary air inlet 321 are width-adjustable air inlets to send the external air flow and adjust the air volume.

In this embodiment, the main suction opening 320 is disposed at one side (and the rear portion of the spray gun set 200) of the spray booth main body 100 corresponding to the spraying side of the rolled sheet 900, the main suction opening 320 forms a suction opening gap in the spray booth main body 100, and the suction opening gap can be set to full-height range suction or local area suction inside the spray booth main body 100, so that the airflow of the airflow system can be discharged from the main suction openings 320 at both sides of the rear portion of the spray gun set 200 to drive or guide the airflow to blow from the non-spraying side of the rolled sheet 900 to the rear portion of the spray gun set 200, thereby achieving a better isolation effect.

In this embodiment, the air suction gap formed in the main air suction opening 320 in the spray booth body 100 is parallel to the movement direction of the rolling plate 900, so that a better air suction effect can be achieved.

In this embodiment, the edge air guiding device 350 is slidably disposed at the edge of the side of the rolling plate 900, and a gap is formed between the edge air guiding device 350 and the edge of the side of the rolling plate 900, so as to form an edge air duct 351 with adjustable width at the edge of the side of the rolling plate 900, thereby achieving the effects of narrowing the air duct and adjusting the air volume.

In this embodiment, the wind speed of the edge wind channel 351 is higher than the average wind speed of the roll bending inlet/outlet 110 and the wind inlet, so as to form a high-speed airflow region and improve the isolation effect.

In the embodiment, the wind speed of the edge wind channel 351 is 0.6-40m/sec, which can meet the requirement of isolation.

Through the structure, outside air can enter the spraying chamber through the main air inlet 310 and the auxiliary air inlet 321, the air entering from the auxiliary air inlet 321 can be blown to the main air suction port 320, the effect of discharging redundant dust in the spraying chamber is achieved, the air entering from the main air inlet 310 is conveyed to the spraying side of the rolling plate 900 through the edge air duct 351 from the non-spraying side of the rolling plate 900, and is finally discharged through the main air suction port 320, and therefore the situation that the dust enters the non-spraying side of the rolling plate 900 is reduced.

In this embodiment, an edge air extraction pipe 360 is disposed in the edge air guiding device 350, and the edge air extraction pipe 360 is provided with an air inlet 361 of the air extraction pipe corresponding to the side edge of the rolling plate 900, so that dust overspray at the side edge of the rolling plate 900 can be extracted, and a high-speed airflow region can be formed, thereby achieving a better isolation effect.

In this embodiment, the edge position of the side surface of the rolled plate 900 is provided with the rolled plate edge seam air blowing device 410, and the rolled plate edge seam air blowing device 410 can blow air outwards from the edge of the side surface of the rolled plate 900 and exhaust air flow through the air inlet 361 of the exhaust pipe, so that a high-speed air flow area can be formed at the edge position of the side surface of the rolled plate 900, and a good isolation effect is achieved.

Through the structure, the air flow blown out by the rolling plate edge seam air blowing device 410 can pass through the side edge position of the rolling plate 900 and then enter the air inlet 361 of the exhaust pipe to be discharged, so that an air curtain or an air curtain is formed, and a better isolation effect is achieved.

In the present embodiment, a non-painting surface air-blowing device 420 capable of blowing air toward the side edge of the wrap 900 is disposed on the non-painting side of the wrap 900 to further reduce the accumulation of the over-sprayed dust on the non-painting side of the wrap 900.

Example two

As shown in fig. 3, in the present embodiment, the side of the spray booth body 100 corresponding to the non-spraying side of the rolled sheet 900 is disposed at the main air inlet 310 and the auxiliary air inlet 321, and both the main air inlet 310 and the auxiliary air inlet 321 are width-adjustable air inlets to send external air flow and adjust air volume.

In this embodiment, the main suction opening 320 is disposed at one side (and the rear portion of the spray gun set 200) of the spray booth main body 100 corresponding to the spraying side of the rolled sheet 900, and the main suction opening 320 forms a suction opening gap in the spray booth main body 100, and the suction opening gap can be set to full-height range suction or local area suction inside the spray booth main body 100, so that the airflow of the airflow system can be exhausted from the main suction openings 320 at both sides of the rear portion of the spray gun set 200 to drive or guide the airflow to blow from the non-spraying side of the rolled sheet 900 to the rear portion of the spray gun set 200, thereby achieving a better isolation effect.

In this embodiment, the air suction gap formed in the main body 100 of the spray booth by the rear main air suction opening 330 is parallel to the movement direction of the rolling plate 900, so that a better air suction effect can be achieved.

In this embodiment, the rear main air suction opening 330 is located in the middle of the main body 100 of the spray booth and forms a V-shaped flow guide structure, which has a better air suction effect.

Through the structure, outside air can enter the spraying chamber through the main air inlet 310 and the auxiliary air inlet 321, and the air entering from the auxiliary air inlet 321 can be blown to the rear main air suction opening 330, so that the effect of discharging excessive over-sprayed dust in the spraying chamber is achieved. The air entering through the main air inlet 310 is conveyed from the non-spraying side of the rolled plate 900 to the spraying side of the rolled plate 900 through the edge air duct 351 and is finally exhausted through the rear main air suction opening 330, so that the situation that the over-sprayed dust enters the non-spraying side of the rolled plate 900 is reduced.

In this embodiment, an edge air extraction pipe 360 is disposed in the edge air guiding device 350, and the edge air extraction pipe 360 is provided with an air inlet 361 of the air extraction pipe corresponding to the side edge of the rolling plate 900, so as to discharge overspray dust at the side edge of the rolling plate 900, and form a high-speed airflow region, thereby achieving a better isolation effect.

In the present embodiment, the non-spray surface blowing device 420 capable of blowing the side surface edge of the wrap 900 is disposed on the non-spray side of the wrap 900, so as to further reduce the accumulation of dust on the non-spray side of the wrap 900.

EXAMPLE III

As shown in fig. 4, in the present embodiment, the side of the spray booth body 100 corresponding to the non-spraying side of the rolled sheet 900 is disposed at the main air inlet 310, and the main air inlet 310 is an adjustable width air inlet for sending the external air flow and adjusting the air volume.

In this embodiment, the main side suction openings 340 are disposed on two sides of the spray gun set 200, the main side suction openings 340 form suction opening gaps in the spray booth main body 100, and the suction opening gaps can be set to full-height range air suction or local area air suction inside the spray booth main body 100, so that the air flow of the air flow system can be discharged from the main side suction openings 340 on two sides of the spray gun set 200, and the air flow is driven or guided to blow from the non-spraying side of the rolling plate 900 to two sides of the spray gun set 200, thereby achieving a better isolation effect.

In this embodiment, the suction gap formed by the side main suction port 340 in the spray booth main body 100 is parallel to the movement direction of the rolling plate 900, so that a better suction effect can be achieved.

Through the structure, external air can enter the spraying chamber through the main air inlet 310, the air entering through the main air inlet 310 is conveyed to the spraying side of the rolling plate 900 from the non-spraying side of the rolling plate 900 through the edge air duct 351 and is finally discharged through the rear side main air suction opening 340, and therefore the situation that dust enters the non-spraying side of the rolling plate 900 is reduced.

In this embodiment, rear opening 370 is not provided, and air is drawn into or out of the lance through openings at other locations.

Example four

As shown in fig. 5, in the present embodiment, the side of the spray booth body 100 corresponding to the non-spraying side of the rolled sheet 900 is disposed at the main air inlet 310, and the main air inlet 310 is an adjustable width air inlet for sending the external air flow and adjusting the air volume.

In this embodiment, an edge air extraction pipe 360 is disposed in the edge air guiding device 350, and the edge air extraction pipe 360 is provided with an air inlet 361 of the air extraction pipe corresponding to the side edge of the rolling plate 900, so as to discharge dust at the side edge of the rolling plate 900, and further, a high-speed airflow region can be formed, and a better isolation effect can be achieved.

In this embodiment, a rear opening 370 with an adjustable width is disposed at the rear of the gun group 200, and the rear opening 370 can provide air flow into the spray chamber or provide air flow into and out of the gun group 200, so as to achieve an air inlet function and facilitate air flow into and out of the gun group 200.

Specifically, the airflow entering through the rear opening 370 can pass through the spray gun group 200 and then be discharged through the side main suction opening 340, so as to achieve the effect of cleaning dust on the spray gun or the spray gun rack and reduce the accumulation of dust on the spray gun or the spray gun rack.

EXAMPLE five

As shown in fig. 6 and 7, in the present embodiment, the side of the spray booth body 100 corresponding to the non-spraying side of the rolled sheet 900 is disposed at the main air inlet 310, and the main air inlet 310 is an adjustable width air inlet for sending external air flow and adjusting the air volume.

Through the structure, external air can enter the spraying chamber through the main air inlet 310, the air entering through the main air inlet 310 is conveyed from the non-spraying side of the rolled plate 900 to the spraying side of the rolled plate 900 through the edge air duct 351 and is finally discharged through the rear side main air suction opening 340, and therefore the situation that dust after being sprayed enters the non-spraying side of the rolled plate 900 is reduced.

Specifically, the airflow entering through the rear opening 370 can pass through the spray gun group 200 and then be discharged through the side main air suction port 340, so as to achieve the effect of cleaning dust on the spray gun or the spray gun rack and reduce the accumulation of the over-sprayed dust on the spray gun or the spray gun rack.

In this embodiment, the booth body 100 is assembled from foldable/movable panels to provide a flexible booth for easy cleaning.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. A rolling plate electrostatic powder spraying chamber is characterized by comprising:

the spraying chamber comprises a spraying chamber main body (100), wherein a rolling plate inlet and outlet (110) for a rolling plate (900) to enter and exit is formed in the spraying chamber main body (100);

the spray gun group (200) is arranged in the spray chamber main body (100) and is used for spraying the rolling plate (900) in the spray chamber main body (100);

an air flow system capable of directing or driving an air flow from a non-spray side of a rolled sheet (900) towards any one or more locations within the spray booth body (100) other than the non-spray side of the rolled sheet (900), the air flow system comprising at least one air inlet located at the non-spray side of the rolled sheet (900).

2. The rolling electrostatic powder spray booth of claim 1,

the airflow system includes an adjustable or fixed width primary air intake (310) on the non-spray side of the web (900).

3. The rolling electrostatic powder spray booth of claim 1,

the gas flow system is capable of forming a high-speed gas flow zone at both side edge positions of the rolled sheet (900).

4. The rolling electrostatic powder spray booth of claim 3,

the airflow system comprises edge air channels (351) with adjustable or fixed widths, wherein the edge air channels are located at the two side edge positions of the rolling plate (900), and the high-speed airflow area is located at the edge air channels (351).

5. The rolling electrostatic powder spray booth of claim 4,

an edge air guide device (350) is arranged at the edge position of the side face of the rolling plate (900) in a sliding or fixed mode, a gap is reserved between the edge air guide device (350) and the edge of the side face of the rolling plate (900), and an edge air duct (351) with adjustable or fixed width is formed at the edge position of the side face of the rolling plate (900).

6. The rolling electrostatic powder spray booth of claim 4,

the wind speed of the edge wind channel (351) is higher than the average wind speed of the rolling plate inlet and outlet (110) and the wind inlet.

7. The rolling electrostatic powder spray booth of claim 4,

the wind speed of the edge wind channel (351) is 0.6-40 m/sec.

8. The rolling electrostatic powder spray booth of claim 1,

the airflow system comprises at least one main air suction opening (320) which is arranged on two sides of the rear portion of the spray gun group (200), the main air suction opening (320) is formed in the spray booth main body (100) to form an air suction opening gap, and the air suction opening gap can be set to be full-height range air suction or local area air suction inside the spray booth main body (100).

9. The rolling electrostatic powder spray booth of claim 1,

the airflow system comprises at least one rear main air suction opening (330) arranged at the rear part of the spray gun group (200), the rear main air suction opening (330) is formed in the spray booth main body (100) to form an air suction opening gap, and the air suction opening gap can be set to be full-height range air suction or local area air suction inside the spray booth main body (100).

10. The rolling electrostatic powder spray booth of claim 1,

the airflow system comprises at least one side main air suction opening (340) arranged on two sides of the spray gun group (200), the side main air suction opening (340) is formed in the spray booth main body (100) to form an air suction opening gap, and the air suction opening gap can be set to be full-height range air suction or local area air suction inside the spray booth main body (100).

11. The rolling electrostatic powder spray booth of claim 1 or 10,

the rear part of the spray gun group (200) is provided with at least one rear opening (370) with adjustable or fixed width, and the rear opening (370) can be used for air flow to enter or exit or the spray gun group (200) to enter or exit.

12. The rolling electrostatic powder coating booth according to claim 8, 9, or 10,

the air suction opening gap is parallel to the movement direction of the rolling plate (900).

13. The rolling electrostatic powder coating booth according to claim 8, 9, or 10,

auxiliary air inlets (321) which are opposite to the spray gun group (200) and can adjust or fix the width are arranged at two sides in the spray chamber main body (100).

14. The rolling electrostatic powder spray booth of claim 1,

and a rolling plate edge seam air blowing device (410) is arranged at the position of the side edge of the rolling plate (900), and the rolling plate edge seam air blowing device (410) can blow air outwards from the side edge of the rolling plate (900).

15. The rolling electrostatic powder spray booth of claim 1 or 14,

the airflow system comprises an edge exhaust pipe (360) arranged at the edge position of the side face of the rolling plate (900), and the edge exhaust pipe (360) is provided with an exhaust pipe air inlet (361) corresponding to the edge of the side face of the rolling plate (900).

16. The rolling electrostatic powder spray booth of claim 1,

a non-coating surface air blowing device (420) capable of blowing air to the side surface edge of the wrap (900) is arranged on the non-coating side of the wrap (900).

17. The rolling electrostatic powder spray booth of claim 1,

gaps are reserved between the rolling plate inlet and outlet (110) and the rolling plate (900), and inlet and outlet sealing devices (120) are arranged at the rolling plate inlet and outlet (110).

18. The rolling electrostatic powder spray booth of claim 17,

the inlet and outlet sealing device comprises an air curtain sealing device.

19. The rolling electrostatic powder spray booth of claim 17,

the inlet and outlet sealing device comprises a mechanical contact type sealing device corresponding to the non-spraying surface of the rolling plate (900).

20. The rolling electrostatic powder spray booth of claim 1,

the spray chamber main body (100) can be used for conveying and passing the rolled plate (900) in a horizontal, vertical or inclined mode, so that the spray gun group (200) can spray the rolled plate (900) vertically, horizontally or obliquely.

21. The rolling electrostatic powder spray booth of claim 1,

the booth body (100) is composed of a combination of fixed panels or a combination of foldable/movable panels.

22. The rolling electrostatic powder spray booth of claim 1,

the rolling plate (900) passes through the spraying chamber main body (100) in a horizontal conveying mode, a vertical conveying mode or an inclined conveying mode, and the mutual position relation of the spraying surface and the horizontal plane of the rolling plate (900) is parallel, vertical or in a space geometric angle.