CN218655016U - Multi-top-plate side-by-side coating spray booth - Google Patents
Multi-top-plate side-by-side coating spray booth Download PDFInfo
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- CN218655016U CN218655016U CN202222868617.8U CN202222868617U CN218655016U CN 218655016 U CN218655016 U CN 218655016U CN 202222868617 U CN202222868617 U CN 202222868617U CN 218655016 U CN218655016 U CN 218655016U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model relates to a multi-roof side-by-side coating spray booth, which comprises a roof component and two side plates, wherein the two side plates are positioned at two sides below the roof component and form a powder spraying cavity with the roof component, and a coated plate belt moves below the powder spraying cavity; the roof component comprises a plurality of top plates, each top plate is arranged above the powder spraying cavity along the moving direction of the plate strip, and a top air inlet channel is formed between every two adjacent top plates; a front air inlet channel is formed between the top plate at the foremost end and the plate strip, and the top plate at the rearmost end is connected with an air exhaust system; an air blowing pipe is fixedly arranged on the outer side end edge of each top plate, a plurality of air blowing holes are formed in the air blowing pipes, the air blowing holes are suitable for blowing air towards the lower surface and/or the upper surface of the top plate, and the air blowing holes are located between every two adjacent spray guns; and the spray guns are respectively arranged in the top inlets and are suitable for spraying powder into the powder spraying cavity. The air pressure of the blown air is large enough to prevent the powder from being adsorbed on the plate, and the powder is prevented from accumulating on the top plate.
Description
Technical Field
The utility model relates to a spraying technical field specifically is a room is spouted in many roofs side by side formula application.
Background
The applicant previously filed a powder spray coating device, patent application No.: 201811616272.9, the spraying device enables powder in a powder spraying cavity to move in the same direction with the plate strip on one side by configuring a powder spraying cavity with high-voltage static electricity, so that powder coating is adsorbed on the surface of the plate strip through the static electricity.
At present, the horizontal direction is made for adapting to the slab band to remove, and the horizontal direction setting needs to be made to the powder spraying device, and the slab band just removes in dusting chamber below, and during the operation, spun powder can float in the air after electrified, inevitably is adsorbed by the spraying equipment of belted steel top, as long as there is the absorption, the powder will be more and more, will finally drop, and powder package and impurity point can appear on the spraying board area to the powder piece that drops, seriously influences product quality. The problem of powder accumulation caused by dust drift in electrostatic powder spraying is a very serious problem necessarily encountered in color steel plate coating, and is a great technical problem which is not thoroughly solved all the time.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, the multi-top-plate side-by-side type coating spray room is provided, and the problem that powder is easily accumulated above the conventional spraying equipment is solved.
The utility model provides a technical scheme that its technical problem adopted is:
provides a multi-top-plate side-by-side painting spray booth, which comprises
The two side plates are positioned on two sides below the roof component, a powder spraying cavity is formed between the two side plates and the roof component, and the plate belt moves below the powder spraying cavity;
the roof component comprises a plurality of top plates, each top plate is arranged above the powder spraying cavity along the moving direction of the plate strip, and a top air inlet channel is formed between every two adjacent top plates; a side air inlet channel is formed between the top plate on the front side and the plate strip, and the top plate on the rear side is connected with an air exhaust system;
an air blowing pipe is fixedly arranged on the outer side end edge of each top plate, a plurality of air blowing holes are formed in the air blowing pipe, the air blowing holes are suitable for blowing air towards the lower surface and/or the upper surface of the top plate, and the air blowing holes are positioned between two adjacent spray guns;
and the spray guns are respectively arranged in the top inlets and are suitable for spraying powder into the powder spraying cavity.
Furthermore, all the top plates are arranged in an inclined shape;
an inclined top air inlet channel is formed between the adjacent top plates.
Furthermore, the top plates are horizontally arranged, and each top plate forms a step-shaped structure;
and a horizontal top air inlet channel is formed between the adjacent top plates.
Further, the spray gun comprises
The spray gun head is of a tubular structure;
the air blowing capillary tube is arranged in the spray gun head in a penetrating way; and
the high-voltage electric needle is arranged in the blowing capillary tube in a penetrating way.
Further, the spray gun inclines towards the moving direction of the plate strip.
Further, the assembly structure between the top plate and the side plates is as follows:
the upper end of the side plate is provided with a plurality of slots, the slots are obliquely formed, and the end part of the top plate is inserted into the slots so that the top plate is obliquely arranged on the side plate.
The beneficial effects of the utility model are that:
the utility model discloses a room is spouted in application arranges a plurality of roofs on dusting the chamber and comes as top inlet channel, and the spray gun supplies powder to dusting intracavity through top inlet channel, through set up the gas blow pipe on the roof, the gas blow pipe blows towards the upper and lower surface of roof through the gas hole, and the air current that the gas blow hole blew out opens between two spray guns, ensures to blow and covers the face at all probably adsorbed dust, and the atmospheric pressure of blowing is enough big on preventing that the powder from adsorbing on the board, has avoided long-pending powder on the roof.
The powder spraying cavity is a continuous negative pressure closed space, powder is in the continuous closed space after entering the powder spraying cavity, the powder cannot overflow, and the powder spraying cavity is suitable for continuously spraying continuous plate strips.
The forward speed of the powder airflow can be controlled to be synchronous with the plate belt by controlling the suction force of the air draft system, so that the technical problem of low powder coating rate in high-speed plate belt coating is solved.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
FIG. 1 is a schematic view of a paint spray booth according to a first embodiment;
FIG. 2 is a schematic view of the blowing pipe blowing air onto the top surface of the top plate;
FIG. 3 is a schematic view of the blow pipe blowing air against the lower surface of the top plate;
FIG. 4 is a half-sectional view of the paint spray booth;
FIG. 5 is a schematic view of a spray gun;
FIG. 6 is an assembly view between the top and side panels;
FIG. 7 is a schematic view of a coating spray booth according to a second embodiment;
wherein, 1, plate and strip;
21. a top plate 22, a side plate 23, a back plate;
3. an air blowing pipe;
4. a spray gun 41, a spray gun head 42, a blowing capillary 43 and a high-voltage electric needle;
5. and (5) exhausting the air pipe.
Detailed Description
The invention will now be further described with reference to the accompanying drawings. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
Example one
As shown in fig. 1 to 5, a multi-roof side-by-side painting spray booth comprises
The powder spraying device comprises a roof assembly and two side plates 22, wherein the two side plates 22 are positioned on two sides below the roof assembly and form a powder spraying cavity with the roof assembly, and the plate belt 1 moves below the powder spraying cavity;
the roof component comprises a plurality of top plates 21, each top plate 21 is arranged above the powder spraying cavity along the moving direction of the plate strip 1, and a top air inlet channel is formed between every two adjacent top plates 21; an air inlet channel is formed between the top plate 21 at the frontmost end and the plate strip 1, and the top plate 21 at the rearmost end is connected with an air exhaust system;
an air blowing pipe 3 is fixedly arranged on the outer side end edge of each top plate 21, a plurality of air blowing holes are formed in the air blowing pipe 3, the air blowing holes are suitable for blowing air towards the lower surface and/or the upper surface of each top plate 21, and the air blowing holes are located between two adjacent spray guns 4;
and a plurality of spray guns 4 are respectively arranged in the top inlets, and the spray guns 4 are suitable for spraying powder into the powder spraying cavity.
The tail part of the top plate 21 at the last side is bent to form an exhaust pipe 5, and the exhaust pipe 5 is connected with an exhaust system. The exhaust system is not described in detail in this embodiment, and reference may be made to the structure described in the previous patent.
FIG. 2 is a schematic view of the blowing pipe 3 blowing air to the upper surface of the top plate 21;
FIG. 3 is a schematic view of the blowing pipe 3 blowing air to the lower surface of the top plate 21;
the air blowing holes can also simultaneously blow air to the upper surface and the lower surface.
Specifically, as an alternative embodiment in the present embodiment, as shown in fig. 1, the top plates 21 are arranged in an inclined manner;
an inclined top air intake passage is formed between the adjacent top plates 21.
In the present embodiment, the front-most top plate 21 may be horizontally disposed, and the inclination direction of the front-most top plate 21 may be the same as or opposite to the inclination direction of the rear top plates 21.
As shown in fig. 6, the assembling structure between the top plate and the side plate is:
the upper end of the side plate 21 is provided with a plurality of slots, the slots are obliquely formed, and the end part of the top plate 21 is inserted into the slots, so that the top plate 21 is obliquely arranged on the side plate 22.
Specifically, as an alternative embodiment in this embodiment, as shown in fig. 5, the spray gun 4 includes
A lance head 41 having a tubular configuration;
a blowing capillary tube 42 penetrating the lance head 41; and
and a high-voltage electric needle 43 which is arranged in the air blowing capillary 42 in a penetrating way.
The structure and principle of the spray gun 4 are not described in detail, which belongs to the commercial products.
In this embodiment, the spray gun 4 is inclined toward the moving direction of the plate strip 1. The lance 4 is inclined in the same direction as the top plate 21. In this embodiment, the spray guns 4 arranged in the top air inlet channel form a row, each spray gun 4 is independently connected with a venturi pump, fluidized powder is conveyed into the spray guns 4 through hoses, and the spray gun heads 41 are all provided with high-voltage electrostatic needles. The needle head has a large air flow to blow out from the air blowing capillary 42 which wraps the electric needle, and the purpose of air blowing is to prevent the electric needle from accumulating powder. The lance head 41 is a circular powder outlet tube, and powder can be directly ejected forward without installing a blocking lance component.
In the coating spray booth of the present embodiment, the number of spray guns 4 depends on the width of the strip, the thickness of the strip to be coated, the running speed of the strip, and the like. Typically 2-10 rows, i.e. the number of top inlet passages, e.g. 100 m/min linear velocity, may be provided with 3-6 rows of lances 4, with the linear velocity decreasing or increasing and the number of rows correspondingly decreasing or increasing.
The distance between the two rows of lances 4 is approximately 20-60 cm, preferably 25-30 cm.
In this embodiment, the top plate 21 is made of plastic plate strip, and the side plates 22 on both sides are made of antistatic plastic, including but not limited to polypropylene plates, polyvinyl chloride plates, polytetrafluoroethylene plates, and the like.
The blowing pipe 3 is fixedly arranged at the outer side end edge of the top plate 21, a plurality of blowing holes are formed in the blowing pipe 3, the blowing holes blow air to the surface of the top plate 21, the blowing holes can be the upper surface or the lower surface, powder is prevented from being accumulated on each top plate 21 through blowing, and therefore the problem that the powder accumulation at the top of a powder spraying cavity drops to influence the powder quality of the plate strip 1 is solved.
In this embodiment, the plate belt 1 is a steel belt, an aluminum belt or a stainless steel belt.
Example two
The present embodiment is based on the first embodiment, and is different from the first embodiment in that, as shown in fig. 7, in the coating spray booth of the present embodiment, each top plate 21 is horizontally disposed, and each top plate 21 forms a step-shaped structure; a horizontal top air intake passage is formed between the adjacent top plates 21.
The lance 4 is inclined when arranged in the top inlet channel to facilitate movement of the powder towards the strip 1.
The utility model discloses a room is spouted in application has a fixed backplate 23 below slab band 1, both sides with spout room curb plate 22 and lean on tightly. One or more blowing pipes 3 can be arranged in the middle of the back plate 23, so that positive pressure is formed between the plate strip 1 and the back plate 23, and airflow is ensured to continuously enter the spraying room from the position where the side plate 22 is close to the plate strip 1, so that dust in the spraying room is prevented from overflowing. The occurrence of fat edge of the plate strip 1 can also be prevented by adjusting the distance between the movable side plate 22 and the plate strip and the air pressure of the back plate 23.
During spraying production, the negative pressure of the air draft system is adjusted to ensure that the moving speed of the air flow in the spraying room is close to the moving speed of the plate strip 1. The powdering rate is highest without significant relative movement between the two. No matter how fast the plate belt speed is, the powder feeding can not be influenced as long as the dust moving speed in the spraying room is the same. Thereby thoroughly solving the difficult problem of difficult powder coating of high-speed plate strips.
The utility model discloses a room is spouted in application when using, and slab band 1 removes from dusting chamber below. According to the demand of place and actual conditions, the application equipment can incline the installation, can install perpendicularly, can overturn and exceed 90 and overturn 180 degrees installation even.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the description, and must be determined according to the scope of the claims.
Claims (6)
1. A multi-top-plate side-by-side coating spray booth is characterized by comprising
The coating device comprises a roof assembly and two side plates, wherein the two side plates are positioned on two sides below the roof assembly and form a powder spraying cavity with the roof assembly, and a coated plate belt moves below the powder spraying cavity;
the roof component comprises a plurality of top plates, each top plate is arranged above the powder spraying cavity along the moving direction of the plate strip, and a top air blowing channel is formed between every two adjacent top plates; a front-end air inlet channel is formed between the front-end top plate and the plate strip, and the rearmost-end top plate is connected with an air exhaust system;
an air blowing pipe is fixedly arranged on the outer side end edge of each top plate, a plurality of air blowing holes are formed in the air blowing pipe, the air blowing holes are suitable for blowing air towards the lower surface and/or the upper surface of the top plate, and the air blowing holes are positioned between two adjacent spray guns;
and the spray guns are respectively arranged in the top inlets and are suitable for spraying powder into the powder spraying cavity.
2. The multiple roof side-by-side paint spray booth of claim 1,
each top plate is arranged in an inclined shape;
an inclined top air inlet channel is formed between the adjacent top plates.
3. The multi-ceiling side-by-side painting booth according to claim 1,
the top plates are horizontally arranged, and each top plate forms a step-shaped structure;
and a horizontal top air inlet channel is formed between the adjacent top plates.
4. The multi-ceiling side-by-side painting booth according to claim 1,
the spray gun comprises
The spray gun head is of a tubular structure;
the air blowing capillary tube is arranged in the spray gun head in a penetrating way; and
the high-voltage electric needle is arranged in the blowing capillary tube in a penetrating way.
5. The multiple roof side-by-side paint spray booth of claim 1,
the spray gun inclines towards the moving direction of the plate strip.
6. The multi-ceiling side-by-side painting booth according to claim 1,
the assembly structure between the top plate and the side plates is as follows:
the upper end of the side plate is provided with a plurality of slots, the slots are obliquely formed, and the end part of the top plate is inserted into the slots so that the top plate is obliquely arranged on the side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222868617.8U CN218655016U (en) | 2022-10-28 | 2022-10-28 | Multi-top-plate side-by-side coating spray booth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222868617.8U CN218655016U (en) | 2022-10-28 | 2022-10-28 | Multi-top-plate side-by-side coating spray booth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218655016U true CN218655016U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222868617.8U Active CN218655016U (en) | 2022-10-28 | 2022-10-28 | Multi-top-plate side-by-side coating spray booth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218655016U (en) |
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2022
- 2022-10-28 CN CN202222868617.8U patent/CN218655016U/en active Active
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