CN212309905U - Vertical plate belt powder spraying device with blowing mechanism - Google Patents
Vertical plate belt powder spraying device with blowing mechanism Download PDFInfo
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- CN212309905U CN212309905U CN202021422468.7U CN202021422468U CN212309905U CN 212309905 U CN212309905 U CN 212309905U CN 202021422468 U CN202021422468 U CN 202021422468U CN 212309905 U CN212309905 U CN 212309905U
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Abstract
The utility model provides a vertical slab band powder spraying device with blowing mechanism, including spouting the room and locating the inside spraying mechanism and the blowing mechanism of spouting the room, spout the first opening and the second opening that supply the slab band to pass is seted up to room top and bottom, spraying mechanism includes that the multiunit sets up along slab band length direction interval's spray gun group, every spray gun group all includes a plurality of spray guns that spray gun that set up along slab band width direction interval, the spout of each spray gun that sprays powder treats the spraying surface towards the slab band, the spraying mechanism below is equipped with blowing mechanism on slab band length direction, blowing mechanism includes a plurality of blow-out mouths that set up along slab band width direction interval, each blow-out mouth all is towards treating the spraying surface. The utility model discloses a set up blowing mechanism and treat to the slab band that the spraying surface blows compressed air, treat the powder whereabouts in-process of spraying surface not being attached to the slab band, can be blown to be attached to the slab band and treat that the spraying is on the surface or fall down along the inside wall that spouts the room, improve the slab band and treat that the powder rate on spraying surface and reduce the powder extravagant.
Description
Technical Field
The utility model belongs to the technical field of slab band powder electrostatic spraying technique and specifically relates to indicate a vertical slab band powder spraying device with blowing mechanism.
Background
The electrostatic powder spraying is that a spray gun is utilized, and polyester powder is blown out from the spray gun to the surface of an interrupted workpiece by compressed air at a certain distance and is scattered by the compressed air to form atomized powder; and simultaneously, a spray gun nozzle is utilized to generate high electrostatic voltage, a high-voltage corona discharge electric field is formed between the electrostatic voltage and the surfaces of the plate and the coil, so that dense charges are generated around the electrostatic voltage, and the powder is charged when being blown to the surface of a workpiece by the spray gun. In addition, the workpiece is simultaneously grounded. The charged powder is blown by the compressed air flow and is uniformly adsorbed on the surface of the workpiece under the action of electrostatic attraction.
Electrostatic powder coating of sheet and strip is generally carried out in a spray booth. In the existing spraying mode, powder electrostatic spraying is carried out on the surface of a plate strip with a certain width in a row through one or more rows of spray guns. The electrostatic spraying of the intermittent or continuous plate strip generally has two modes of horizontal spraying and vertical spraying. The vertical spraying is that the plate strip runs in a vertical state, enters and exits the spraying room in the vertical direction, and the spray gun horizontally blows powder to the surface of one side of the plate strip for spraying.
In the electrostatic powder coating operation of the sheet, when powder is blown to the surface of the sheet by compressed air through a high-voltage electrostatic field, most of the powder is adsorbed to the surface of the sheet, but some of the powder is not adsorbed. The two main reasons are that part of powder falls on the surface of the plate strip and is blown off the surface of the plate strip by compressed air due to the disturbance of the compressed air; on the other hand, the powder loses charges after no charges are attached or the charges are attached in the compressed air blowing process, and the powder is disturbed and blown away by the compressed air due to poor attachment or binding capacity with the plate strip; therefore, in the process of attaching the powder to the surface of the plate strip in the electrostatic powder spraying operation, part of the powder is blown away and wasted.
In addition, for the vertical spraying, besides the situation of powder waste, in the process of powder electrostatic spraying operation, under the influence of gravity, a part of powder falls off in the vertical direction under the influence of gravity before reaching the surface of the plate strip, and another part of powder falls off from the surface of the plate strip in the vertical direction after reaching the surface of the plate strip, so that the powder coating rate of the vertical spraying is 60-80%. The bottom of the spraying room is provided with a plate belt inlet or a plate belt outlet, so that the powder falling along the vertical direction can overflow from the opening at the bottom of the spraying room, and further powder waste and environmental pollution are caused.
Therefore, how to improve the powder deposition rate and reduce the influence of powder overflowing from the spray room on the environment is an urgent problem to be solved in vertical spraying.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vertical slab band powder spraying device with blowing mechanism can blow the powder that is not attached to the slab band and treats the spraying surface to treating that the spraying surface department makes its spraying of treating attached to the slab band on the surface of treating of slab band, or blow to the inside wall department that spouts the room and make its inside wall along spouting the room fall to spout the position department that the room bottom is far away apart from the second opening to improve the powder rate, reduce the powder and spill over from spouting the room and the waste and the environmental pollution's that cause problem.
In order to achieve the above object, the present invention provides a vertical slab band powder spraying apparatus with a blowing mechanism, wherein the vertical slab band powder spraying apparatus with the blowing mechanism comprises a spraying room, a spraying mechanism and a blowing mechanism, the spraying mechanism and the blowing mechanism are both arranged inside the spraying room, a first opening for the slab band to pass through is arranged at the top of the spraying room, a second opening for the slab band to pass through is arranged at the bottom of the spraying room, the spraying mechanism comprises a plurality of groups of spraying gun groups arranged at intervals along the length direction of the slab band, each group of spraying gun group comprises a plurality of spraying guns arranged at intervals along the width direction of the slab band, the nozzles of each spraying gun face the surface to be sprayed of the slab band, the blowing mechanism is arranged below the spraying mechanism in the length direction of the slab band, the blowing mechanism comprises a plurality of blowing ports arranged at intervals along the width direction of the slab band, each blowing port faces the surface to be sprayed.
The vertical strip powder coating apparatus having the blowing mechanism as described above, wherein the blowing mechanism includes a plurality of blowing elements provided at intervals in a width direction of the strip, each of the blowing elements having the blowing port.
The vertical strip powder spraying device with the blowing mechanism is characterized in that the blowing element is an air-jet spray gun, the nozzle of the air-jet spray gun is the blowing port, and the air-jet pressure of the air-jet spray gun is 0.01-0.5 MPa.
The vertical strip powder spraying device with the blowing mechanism is characterized in that the distance between the blowing mechanism and the spraying mechanism in the width direction of the strip is 100-1000 mm.
The vertical plate strip powder spraying device with the blowing mechanism is characterized in that the distance between each blowing port and the surface to be sprayed is 100-800 mm.
The vertical plate strip powder spraying device with the blowing mechanism is characterized in that an included angle of 0-90 degrees is formed between the blowing direction of the blowing mechanism and the horizontal plane.
The vertical strip powder coating apparatus with the blowing mechanism as described above, wherein the blowing mechanism is provided with a plurality of groups, and the blowing mechanism is provided below the coating mechanism in the length direction of the strip and between each two adjacent groups of the gun groups of the coating mechanism.
The vertical plate strip powder spraying device with the blowing mechanism is characterized in that an included angle of 0-45 degrees is formed between a central connecting line of the first opening and the second opening and a vertical plane, and the spraying mechanism and the blowing mechanism are both positioned on the same side of the plate strip in a state that the plate strip penetrates through the spraying room.
The vertical plate strip powder spraying device with the blowing mechanism is characterized in that a negative pressure suction assembly is arranged at the bottom, the top or the side of the spraying room in a communication mode.
The vertical plate strip powder spraying device with the blowing mechanism comprises a flow guide hopper and a suction pipe, wherein the spraying room is provided with a suction opening, the flow guide hopper is provided with an inlet and an outlet, the suction opening is communicated with the inlet of the flow guide hopper, the flow guide hopper is gradually reduced from the inlet to the outlet, the outlet of the flow guide hopper is a suction gap, and the suction gap is communicated with the suction pipe.
Compared with the prior art, the utility model has the advantages as follows:
the utility model provides a vertical slab band powder spraying device with blowing mechanism sets up blowing mechanism in the length direction's of the edge slab band below of spraying mechanism, makes it blow compressed air towards the surface of treating of slab band, and in the in-process of whereabouts of the powder on the surface of treating of not adhering to the slab band, some of them can be blown to adhering to the surface of treating of slab band under compressed air's blowing power effect on to improve the powder rate of the surface of treating of slab band; meanwhile, the compressed air blown out by the blowing mechanism can block a path which does not adhere to the powder on the surface to be sprayed of the plate strip and drops downwards, and the powder which does not adhere to the surface to be sprayed of the plate strip is blown and swept, so that the powder is dispersed towards the two sides of the plate strip along the width direction of the plate strip and finally drops downwards to the bottom edge of the spraying room at the inner side wall of the spraying room along the spraying room in a surrounding mode, the second opening at the bottom of the spraying room is kept away, and therefore the waste and the pollution to the environment caused by the overflow of the spraying room can be effectively reduced.
Drawings
The following drawings are only intended to illustrate and explain the present invention schematically, and do not limit the scope of the present invention. Wherein:
fig. 1 is a schematic perspective view of a vertical plate strip powder spraying device with a blowing mechanism according to the present invention;
fig. 2 is a schematic view of the structure in the direction a in fig. 1.
The reference numbers illustrate:
1. a spraying mechanism;
11. a spray gun group;
111. a powder spraying gun;
2. a blowing mechanism;
21. a blowing element;
3. spraying a room;
31. a first opening;
32. second opening
33. A suction port;
4. plate and strip;
5. a negative pressure suction assembly;
51. a flow guide hopper;
52. a suction gap;
53. a suction pipe.
Detailed Description
In order to clearly understand the technical solution, purpose and effect of the present invention, the detailed embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the present invention provides a vertical slab band powder spraying apparatus with a blowing mechanism, wherein the vertical slab band powder spraying apparatus with a blowing mechanism includes a spraying room 3, a spraying mechanism 1 and a blowing mechanism 2, the spraying mechanism 1 and the blowing mechanism 2 are both disposed inside the spraying room 3, a first opening 31 for passing the slab band 4 is disposed at the top of the spraying room 3, a second opening 32 for passing the slab band 4 is disposed at the bottom of the spraying room 3, one of the first opening 31 and the second opening 32 serves as an inlet of the slab band 4, the other serves as an outlet of the slab band 4, and the slab band 4 can move from top to bottom or from bottom to top, which is not limited by the present invention; the spraying mechanism 1 comprises a plurality of groups of spraying gun groups 11 arranged at intervals along the length direction of the plate strip 4, each group of spraying gun groups 11 comprises a plurality of spraying guns 111 arranged at intervals along the width direction of the plate strip 4, the nozzles of the spraying guns 111 face the surface to be sprayed of the plate strip 4, a blowing mechanism 2 is arranged below the spraying mechanism 1 in the length direction of the plate strip 4, the blowing mechanism 2 comprises a plurality of blowing ports arranged at intervals along the width direction of the plate strip 4, and each blowing port faces the surface to be sprayed, in the present embodiment, a vertical type powder coating apparatus for a strip is provided, so that the strip 4 is arranged in the longitudinal direction, namely, each group of spray gun groups 11 are arranged at intervals along the longitudinal direction, each spray gun 111 of each group is transversely arranged, the nozzle of each spray gun group faces to the surface to be sprayed of the plate strip 4, the blowing mechanism 2 is also transversely arranged, so that each blowing port of the blowing mechanism 2 also faces the surface to be sprayed of the plate strip 4;
it should be noted that, the combination of the blowing mechanism 2 and the spraying mechanism 1 in the present invention may also be applied to a spraying device for performing horizontal spraying operation on the slab band 4, at this time, the blowing mechanism 2 is preferably located at the downstream of the spraying mechanism 1, each spraying gun group 11 of the spraying mechanism 1 is adjusted to be arranged at intervals along the length direction of the slab band 4 (i.e. along the transverse direction) when being arranged, and each spraying gun 111 of each spraying gun group 11 is adjusted to be longitudinally arranged so that the nozzle of each spraying gun 111 faces the surface to be sprayed of the slab band 4 horizontally arranged, and the blowing mechanism 2 is adjusted to be longitudinally arranged so that each blowing nozzle faces the surface to be sprayed of the slab band 4 horizontally arranged, which is not limited by the present invention.
Further, as shown in fig. 1 and 2, the utility model provides a vertical slab band powder spraying device with blowing mechanism, wherein, blowing mechanism 2 includes a plurality of blowing components 21 that set up along the width direction interval of slab band 4, and each blowing component 21 all has the blow mouth to each blowing component 21 is changed or is maintained respectively, and the quantity of blowing component 21 of blowing mechanism 2 and the distance between per two adjacent blowing components 21 can be adjusted according to the width flexibility of slab band 4, or blowing mechanism 2 also can be conjuncted structure, the utility model discloses it is not limited to this.
Further, the utility model provides a vertical slab band powder spraying device with blowing mechanism, wherein, blow component 21 for jet-propelled spray gun, the spout of jet-propelled spray gun is the blowing port, and wherein, jet-propelled spray gun can be for the spray gun structure the same with spray gun 111 among each spray gun group 11, and it all has the function of dusting, blowing and discharging, when using it as spray gun 111, then the function of dusting, discharging and blowing is opened simultaneously. When the blowing element 21 is used, the powder spraying and discharging functions are stopped, and only the air is sprayed, wherein preferably, the air spraying pressure of the air spraying spray gun is 0.01 MPa-0.5 MPa, so as to ensure the blowing effect, and the invention is not limited thereto.
Preferably, the utility model provides a vertical slab band powder spraying device with blowing mechanism, wherein, the distance along the width direction of slab band 4 between blowing mechanism 2 and the spraying mechanism 1 is 100mm ~ 1000mm, as long as can guarantee that the powder that does not adhere to on the surface of treating spraying of slab band 4 can get into the blowing mechanism 2 after falling out the spraying range of spraying mechanism 1 and sweep in the scope, make the powder that does not adhere to on the surface of treating spraying of slab band 4 be blown to adhering to on the surface of treating spraying of slab band 4 or be blown to the inside wall department of spray booth 3; the distance between each blowing port and the surface to be sprayed is 100mm to 800mm to ensure that the blowing mechanism 2 can generate sufficient blowing force so that the powder not adhered to the surface to be sprayed of the sheet strip 4 is blown onto the surface to be sprayed of the sheet strip 4 or onto the inner side wall of the blowing chamber 3.
Further, as shown in fig. 1 and 2, the utility model provides a vertical slab band powder spraying device with blow mechanism, wherein, blow direction and the horizontal plane of blow mechanism 2 form 0 ~ 90 contained angle, adjust blow direction of blow mechanism 2, reach the best effect of sweeping.
As preferred, the utility model provides a vertical slab band powder spraying device with blowing mechanism, wherein, blowing mechanism 2 is equipped with the multiunit, all be equipped with blowing mechanism 2 between at least two sets of adjacent spray gun group 11 of the below of the ascending spraying mechanism 1 of length direction of slab band 4 and spraying mechanism 1, so set up blowing mechanism 2 through the increase, can improve blowing mechanism 2's the effect that sweeps further, blow to the powder that will not adhere to the treating of slab band 4 on the spraying surface and blow to the inboard wall department that treats spraying room 3 of adhering to on slab band 4 or blow, improve the treating of slab band 4 on the spraying surface powder rate and reduce the waste of powder and spill over the powder room and cause the pollution. For example, the blowing mechanism 2 is provided between any adjacent ones of the lance groups 11.
Preferably, the utility model provides a vertical plate belt powder spraying device with a blowing mechanism, wherein an included angle of 0-45 degrees is formed between the central connecting line of the first opening 31 and the second opening 32 and the vertical plane, namely, the plate strip 4 can be in an inclined state when passing through the spraying room 3, an included angle of 0-45 degrees is formed between the plate strip 4 and a vertical plane, the spraying mechanism 1 and the blowing mechanism 2 can be positioned above or below the plate strip 4 in an inclined way, the corresponding surface of the plate strip 4 is sprayed, in the process, the first opening 31 and the second opening 32 can be arranged oppositely in the vertical direction, so that the plate strip 4 and the side wall of the spraying room 3 are kept parallel, or the first opening 31 and the second opening 32 can be staggered in the vertical direction, so that an included angle is formed between the plate strip 4 and the side wall of the spraying room 3, and the utility model does not limit the included angle; as shown in fig. 1 and 2, in a state where the plate strip 4 passes through the spray booth 3, the spray mechanism 1 and the blow mechanism 2 are both located on the same side of the plate strip 4, so that electrostatic spraying work is performed on one surface of the plate strip 4.
Preferably, as shown in fig. 1 and 2, the utility model provides a vertical slab band powder spraying device with blowing mechanism, wherein, the bottom intercommunication of spouting room 3 is equipped with negative pressure suction assembly 5 for will follow the powder that falls of the inside wall of spouting room 3 and do not adhere to the surface of treating spraying of slab band 4 and inhale away and recycle, reduce the waste of powder still further, and reduce the pollution that the powder that overflows from the second opening 32 of the bottom of spouting room 3 caused the environment. The negative pressure suction assembly can also be arranged above or at two sides of the spray room, so that the function of sucking the non-attached powder is realized.
Preferably, as shown in fig. 1 and 2, the utility model provides a vertical slab band powder spraying device with blowing mechanism, wherein, negative pressure suction assembly 5 includes diversion bucket 51 and suction tube 53, the suction port 33 has been seted up in the spray booth 3, diversion bucket 51 has entry and export, suction port 33 communicates with the entry of diversion bucket 51, diversion bucket 51 is the convergent form by entry to export, and the export of diversion bucket 51 is suction gap 52, suction gap 52 communicates with suction tube 53, the powder that falls down along the inside wall of spray booth 3 and is not attached to the surface to be sprayed of slab band 4 passes through suction port 33, diversion bucket 51, suction gap 52 in order and is pumped away in entering suction tube 53 and recycle.
However, the present invention is not limited to this, and the negative pressure suction module 5 may also adopt other existing structures as long as the function of sucking the non-attached powder can be realized.
Compared with the prior art, the utility model has the advantages as follows:
the utility model provides a vertical slab band powder spraying device with blowing mechanism sets up blowing mechanism in the length direction's of the edge slab band below of spraying mechanism, makes it blow compressed air towards the surface of treating of slab band, and in the in-process of whereabouts of the powder on the surface of treating of not adhering to the slab band, some of them can be blown to adhering to the surface of treating of slab band under compressed air's blowing power effect on to improve the powder rate of the surface of treating of slab band; meanwhile, the compressed air blown out by the blowing mechanism can block a path which does not adhere to the powder on the surface to be sprayed of the plate strip and drops downwards, and the powder which does not adhere to the surface to be sprayed of the plate strip is blown and swept, so that the powder is dispersed towards the two sides of the plate strip along the width direction of the plate strip and finally drops downwards to the bottom edge of the spraying room at the inner side wall of the spraying room along the spraying room in a surrounding mode, the second opening at the bottom of the spraying room is kept away, and therefore the waste and the pollution to the environment caused by the overflow of the spraying room can be effectively reduced.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should be considered within the scope of the invention.
Claims (10)
1. A vertical type plate and strip powder spraying device with a blowing mechanism is characterized by comprising a spraying room, a spraying mechanism and the blowing mechanism, wherein the spraying mechanism and the blowing mechanism are arranged inside the spraying room, a first opening through which a plate and strip can pass is formed in the top of the spraying room, a second opening through which the plate and strip can pass is formed in the bottom of the spraying room, the spraying mechanism comprises a plurality of groups of spraying gun groups arranged at intervals along the length direction of the plate and strip, each group of spraying gun group comprises a plurality of spraying guns arranged at intervals along the width direction of the plate and strip, the nozzles of the spraying guns face the surface to be sprayed of the plate and strip, the blowing mechanism is arranged below the spraying mechanism in the length direction of the plate and strip, and the blowing mechanism comprises a plurality of blowing openings arranged at intervals along the width direction of the plate and strip, each blowing port faces the surface to be sprayed.
2. The vertical strip powder coating apparatus with the blowing mechanism according to claim 1, wherein the blowing mechanism includes a plurality of blowing elements provided at intervals in a width direction of the strip, each of the blowing elements having the blowing port.
3. The vertical strip powder spraying apparatus with the blowing mechanism according to claim 2, wherein the blowing member is an air injection lance, a nozzle of the air injection lance is the blowing port, and an air injection pressure of the air injection lance is 0.01MPa to 0.5 MPa.
4. The vertical strip powder coating apparatus with the blowing mechanism according to claim 1, wherein a distance between the blowing mechanism and the coating mechanism in a width direction of the strip is 100mm to 1000 mm.
5. The vertical plate strip powder spraying device with the blowing mechanism according to claim 1, wherein the distance between each blowing port and the surface to be sprayed is 100mm to 800 mm.
6. The vertical plate strip powder spraying device with the blowing mechanism as claimed in claim 1, wherein an included angle of 0-90 degrees is formed between the blowing direction of the blowing mechanism and the horizontal plane.
7. The vertical strip powder coating apparatus with the blowing mechanism according to any one of claims 1 to 5, wherein the blowing mechanism is provided with a plurality of groups, and the blowing mechanism is provided below the coating mechanism in a length direction of the strip and between at least two adjacent groups of the gun groups of the coating mechanism.
8. The vertical plate strip powder spraying device with the blowing mechanism according to any one of claims 1 to 5, wherein an included angle of 0-45 degrees is formed between a central connecting line of the first opening and the second opening and a vertical plane, and the spraying mechanism and the blowing mechanism are both located on the same side of the plate strip in a state that the plate strip penetrates through the spraying room.
9. The vertical plate strip powder spraying device with the blowing mechanism according to claim 1, wherein a negative pressure suction assembly is arranged at the bottom, the top or the side of the spraying room in a communication mode.
10. The vertical plate strip powder spraying device with the blowing mechanism according to claim 9, wherein the negative pressure suction assembly comprises a flow guide hopper and a suction pipe, the spraying room is provided with a suction port, the flow guide hopper is provided with an inlet and an outlet, the suction port is communicated with the inlet of the flow guide hopper, the flow guide hopper is tapered from the inlet to the outlet, the outlet of the flow guide hopper is a suction gap, and the suction gap is communicated with the suction pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021422468.7U CN212309905U (en) | 2020-07-17 | 2020-07-17 | Vertical plate belt powder spraying device with blowing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021422468.7U CN212309905U (en) | 2020-07-17 | 2020-07-17 | Vertical plate belt powder spraying device with blowing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212309905U true CN212309905U (en) | 2021-01-08 |
Family
ID=74034694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021422468.7U Active CN212309905U (en) | 2020-07-17 | 2020-07-17 | Vertical plate belt powder spraying device with blowing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212309905U (en) |
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2020
- 2020-07-17 CN CN202021422468.7U patent/CN212309905U/en active Active
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