CN212524707U - Powder spraying system - Google Patents

Abstract

The utility model discloses a powder spraying system, include: the powder spraying chamber is internally provided with a powder spraying head; the conveyor penetrates through the powder spraying chamber and is used for conveying the workpiece to be sprayed; and a placement base, which is placed on the conveyor; the storage base is formed by assembling an upper top plate, a lower bottom plate and side wall plates; the upper top plate is of a screen structure and is used for placing a workpiece to be sprayed with powder; a filter plate is arranged in the article placing base, and the filter plate divides the article placing base into an upper powder storage chamber and a lower power chamber which are separated from each other; a dust collection motor is arranged in the power chamber, an air outlet is arranged on the lower bottom plate, and the air outlet is communicated with the power chamber; the side wall of the powder storage chamber is provided with a powder outlet. The powder spraying system of the utility model can recover the powder more timely and the recovery rate is higher; the utility model discloses a powder spraying system practices thrift and takes up an area of space and energy consumption lower, the noise is littleer.

Description

Powder spraying system

Technical Field

The utility model belongs to the technical field of the spraying production technique and specifically relates to a powder spraying system.

Background

The electrostatic powder spraying process is the cleanest coating technology which can be achieved at present, volatile solvents such as organic solvents, water and the like are not used in the powder coating, pure solids are directly used as the coating, the pollution of the organic solvents to the environment is greatly reduced, and the sprayed powder can be recycled. The powder coating is a solid powder synthetic resin coating composed of solid resin, pigment, filler, auxiliary agent and the like. Unlike common solvent paint and water paint, the dispersing medium is not solvent and water but air, and has the features of no solvent pollution, 100% filming and low power consumption. The common powder coating is thermosetting powder coating, which takes thermosetting synthetic resin as film forming substance, and the resin is firstly melted in the drying process and then solidified into a flat and hard coating after chemical crosslinking.

Powder coating spraying is to spray powder coating on the surface of a workpiece by using powder spraying equipment, and the powder can be uniformly adsorbed on the surface of the workpiece under the action of static electricity to form a powdery coating; the powdery coating is baked, leveled and cured at high temperature in the subsequent heat curing process to become the final coating with different effects. However, after the powder coating device performs powder coating, a part of the powder coating falls into the coating workshop, and the part of the falling powder coating is easy to float into the air, so that the recovery rate of the powder coating is reduced and the working environment is polluted.

To solve the problem of recycling of powder paint, chinese patent CN201820643376.8 discloses a powder solidifying apparatus for powder coating, wherein the powder coating apparatus 10 disclosed in this patent comprises a powder chamber 110 and a first roller conveyor 120 passing through the powder chamber 110, and a powder collecting part is provided below the first roller conveyor 120 for receiving spray powder falling from the powder chamber 110, and then the spray powder falling into the powder collecting part is pumped out by an air-pumping motor via an air-pumping duct 133. Such a configuration can recover only the powder falling from the first roller conveyor 120 into the powder collecting portion, but cannot effectively recover the powder remaining on the roller conveyor, and requires an additional air draft device outside the powder chamber 110, which increases the construction area of the working space. On the other hand, because the setting of air exhauster is far away from the powder collection part, need great convulsions power just can take the spraying powder out entirely, and the energy consumption is great, and can produce great noise.

Further, chinese patent CN201621436332.5 discloses a full-function powder single-side spray recycling machine, which recycles the spray powder by installing a high pressure fan 3, a powder exhaust fan 4 and a powder collection box 5 on the end face of a support table 2. The powder recovery device also needs to arrange the powder exhaust fan 4 and the powder collecting box 5 at one side of the powder spraying chamber 6, so that the construction area of a working space is enlarged. On the other hand, the exhaust fan 4 is arranged at a position far away from the drop point of the sprayed powder, namely the workpiece 8 is arranged at a position far away from the drop point, and the action of the high-pressure fan 3 is matched

Can all suction the powder collection box 5 with the spraying powder that drops on the 2 terminal surfaces of brace table in, the energy consumption is high, and the noise is bigger.

SUMMERY OF THE UTILITY MODEL

In order to overcome the deficiencies of the prior art, the present invention provides a powder coating system to solve at least one of the above problems.

In order to solve the above problem, the utility model adopts the following technical scheme:

a powder spray coating system comprising:

the powder spraying chamber is internally provided with a powder spraying head;

the conveyor penetrates through the powder spraying chamber and is used for conveying the workpiece to be sprayed; and

a placement base placed on the conveyor; the storage base is formed by assembling an upper top plate, a lower bottom plate and side wall plates; the upper top plate is of a screen mesh structure and is used for placing a workpiece to be subjected to powder spraying; a filter plate is arranged in the article placing base, and the filter plate divides the article placing base into an upper powder storage chamber and a lower power chamber which are separated from each other; a dust collection motor is arranged in the power chamber, an air outlet is arranged on the lower bottom plate, and the air outlet is communicated with the power chamber; and a powder outlet is formed in the side wall of the powder storage chamber.

Preferably, the storage base is provided with a positioning column, and the positioning column is used for fixing a workpiece to be subjected to powder spraying.

Preferably, the positioning column is fixedly connected to the upper top plate.

Preferably, the positioning column is fixedly connected to the lower bottom plate, a first through hole is formed in the filter plate, a second through hole is formed in the upper top plate, and the positioning column penetrates through the first through hole and the second through hole simultaneously.

Preferably, a plurality of reinforcing support columns are arranged in the object placing base, a plurality of third through holes are formed in the filter plate, the reinforcing support columns penetrate through the third through holes, and two ends of each reinforcing support column are fixedly connected with the upper top plate and the lower bottom plate respectively.

Preferably, still be equipped with the rotation driving motor in the power house, rotation driving motor fixed connection be in on the lower plate, rotation driving motor's drive shaft with reference column fixed connection, rotation driving motor can drive the reference column rotates.

Preferably, a power supply is fixedly arranged in the power chamber, and the power supply is electrically connected with the dust collection motor and the rotary driving motor.

Preferably, a control panel is arranged on the side wall plate and electrically connected with the power supply, the dust collection motor and the rotary driving motor.

Preferably, the article placing base is cuboid, and the width of the article placing base is greater than that of the conveyor; or

The object placing base is cylindrical, and the diameter of the object placing base is larger than the width of the conveyor.

Preferably, the conveyor is a roller conveyor or a chain conveyor or a drag conveyor.

Compared with the prior art, the utility model discloses a technical effect embodies:

the utility model discloses a powder spraying system is through setting up the dust absorption motor in putting the thing base, during the use, and the spraying powder that drops on the roof passes the roof and is inhaled and store in the powder storage chamber under the effect of dust absorption motor. Because the work piece of waiting to dusting is not directly placed on the conveyer, but is put on putting the last roof of thing base, in case there is spraying powder to drop on last roof, will be inhaled immediately and store up in the powder room, the recovery of powder is more timely, and the rate of recovery is higher. In addition, compare in traditional powder recovery unit, the utility model discloses a powder spraying system need not be in the outdoor device such as large-scale air exhauster or high pressure positive blower that additionally sets up of dusting, practices thrift and takes up an area of the space. On the other hand, as the dropping point of the sprayed powder is closer to the dust collection motor, the dust collection motor can suck the sprayed powder into the powder storage chamber only by outputting smaller negative pressure, so that the energy consumption is lower and the noise is lower.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

It will be appreciated by those skilled in the art that the objects and advantages that can be achieved with the present invention are not limited to the details set forth above, and that these and other objects that can be achieved with the present invention will be more clearly understood from the following detailed description.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. Many aspects of the invention will be better understood with reference to the following drawings. The components in the drawings are not necessarily to scale, emphasis instead being placed upon clearly illustrating the principles of the present invention. In the drawings:

fig. 1 is a schematic front view of a powder spraying system according to an embodiment of the present invention;

fig. 2 is a schematic top view of a powder spraying system according to an embodiment of the present invention;

fig. 3 is a schematic side view of a powder coating system according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a base for placing articles according to an embodiment of the present invention;

FIG. 5 is a top view of FIG. 4;

fig. 6 is a schematic partial structure view of another object placing base according to an embodiment of the present invention;

fig. 7 is a schematic view of a partial structure of another object placing base according to an embodiment of the present invention.

In the figure, 1, a powder spraying chamber, 2, a conveyor, 3, a storage base, 4, a powder spraying head, 5, a powder spraying pipe, 6, a powder spraying chamber, 7, a filter plate, 8, a dust collection motor, 9, a positioning column, 10, a reinforcing supporting column, 11, a rotary driving motor, 12, a power supply, 13, a control panel, 31, a powder storage chamber, 32, a power chamber, 301, an upper top plate, 302, a lower bottom plate, 303, a side wall plate, 311, a powder outlet, 3011, a second through hole, 701, a first through hole, 702 and a third through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Furthermore, it should be noted that the present invention is not obscured by unnecessary details, and only the structures and/or processing steps closely related to the solution according to the present invention are shown in the drawings, while other details not relevant to the present invention are omitted.

In addition, it should be noted that, in the embodiments of the present invention, the term "connected" may be a straight line connection, an indirect connection with an additional connecting member in between, and may be a wired or wireless connection, unless otherwise specified.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, the same reference numerals denote the same or similar parts, or the same or similar steps.

The embodiment of the utility model provides a powder spraying system, the structure is as shown in fig. 1~ 7. A powder spraying system comprises a powder spraying chamber 1, a conveyor 2 and a storage base 3; a powder spraying head 4 is arranged in the powder spraying chamber 1, the powder spraying head 4 is communicated with a powder spraying chamber 6 through a powder spraying pipe 5, and the powder spraying head 4 is used for spraying solid powder to a workpiece to be sprayed; the powder spraying heads 4 can be symmetrically arranged at two sides above the conveyor 2 (as shown in fig. 2 and 3, a powder spraying pipeline of the powder spraying head 4 at the other side communicated with the powder spraying chamber 6 is not shown in fig. 2 and 3), so that the workpiece to be sprayed can be sprayed from the left side and the right side simultaneously, the specific arrangement form of the powder spraying heads 4 is the prior art, and details are not described herein. The conveyor 2 penetrates through the powder spraying chamber 1 and is used for conveying workpieces to be sprayed, the conveyor 2 can be any one of a roller conveyor, a chain conveyor and a chain plate conveyor, and the conveyor 2 shown in the figures 1-3 is a roller conveyor. The object placing base 3 is placed on the conveyor 2; the storage base 3 is assembled by an upper top plate 301, a lower bottom plate 302 and a side wall plate 303; the upper top plate 301 is of a screen mesh structure (as shown in fig. 5), and the upper top plate 301 is used for placing a workpiece to be sprayed; a filter plate 7 is arranged in the base 3 (as shown in fig. 6, in order to show the internal structure of the base 3 more clearly, part of the structure of the side wall plate 303 is omitted in fig. 6), and the filter plate 7 divides the base 3 into an upper powder storage chamber 31 and a power chamber 32 which are separated from each other; the power chamber 32 is internally provided with a dust collection motor 8, the lower bottom plate 302 is provided with an air outlet, the air outlet is arranged at the contact part (not shown) of the dust collection motor 8 and the lower bottom plate 302, the air outlet is communicated with the power chamber 32, and the dust collection motor 8 can be powered by an external power supply. The side wall of the powder storage chamber 31 is provided with a powder outlet 311, and the powder outlet 311 is provided with a plug matched with the direction of the powder outlet. When the conventional powder spraying operation is carried out, the powder outlet 311 is plugged by a plug; when the powder storage chamber 31 stores the spraying powder and needs to be cleaned, the blockage can be removed, and the spraying powder collected in the powder storage chamber 31 is sucked into the powder spraying chamber 6 through the powder outlet 311 for recycling.

During the use, will wait to spray powder the work piece and put on putting thing base 3, start conveyer 2 and dust absorption motor 8, conveyer 2 drives and waits to spray powder the work piece and enter into the room 1 of dusting and carry out the operation of dusting, and the in-process of dusting, the spraying powder that drops on the roof 301 passes through the sieve mesh on the roof 301 and enters into in the powder storage chamber 31 under the negative pressure suction of dust absorption motor 8. The filter plate 7 can pass the air flow but entraps the sprayed powder in the powder storage chamber 31. Because the work piece of waiting to dusting does not directly place on conveyer 2, but puts on putting the last roof 301 of thing base 3, once there is spraying powder to drop on last roof 301, will be inhaled in the powder storage chamber 31 immediately, the recovery of powder is more timely, and the rate of recovery is higher. In addition, compare in traditional powder recovery unit, the utility model discloses a powder spraying system need not additionally set up devices such as large-scale air exhauster or high pressure positive blower outside powder spray booth 1, practices thrift and takes up an area of the space. On the other hand, since the dropping point of the sprayed powder is closer to the dust collection motor 8, the dust collection motor 8 can suck the sprayed powder into the powder storage chamber 31 only by outputting smaller negative pressure, so that the energy consumption is lower and the noise is lower. When the powder spraying device is used, in order to avoid the influence on the normal spraying of the spraying powder caused by the overlarge suction negative pressure of the dust suction motor 8, the suction negative pressure of the dust suction motor 8 can be adjusted to a proper value, so that the spraying powder falling onto the upper top plate 301 can be just sucked into the powder storage chamber 31 by the suction negative pressure.

Can carry out the spraying operation of different kinds of solid spraying powder to the multiple work piece of waiting to spray on ordinary powder paint finishing production line, utilize traditional powder recovery unit like this to probably retrieve multiple different kinds of spraying powder together, cause the intercrossing pollution of different kinds of spraying powder, and utilize the utility model discloses a powder paint finishing, the spraying powder that drops can fall into corresponding storage powder room 1 of putting in the thing base 3, to the different work piece of waiting to spray, only need use the difference put thing base 3 can, can not take place the condition of different kinds of spraying powder cross contamination, do benefit to the categorised recovery of spraying powder who drops and recycle.

Further, in order to prevent the spray powder sprayed from the powder spraying head 4 from falling onto the conveyor 2 or falling onto the ground, when the storage base 3 is designed to be rectangular (as shown in fig. 1 to 6), the width of the storage base 3 is larger than that of the conveyor 2, namely, the storage base 3 can be placed on the conveyor 2 in a full-covering manner in the width direction, and the spray powder falling off in this way can be completely stopped on the upper top plate 301, so that the recovery rate of the spray powder can be improved, and meanwhile, the dust pollution of a working space is avoided. The object placing base 3 can be designed to be cylindrical, and the object placing base 3 can be placed on the conveyor 2 in a full-covering mode in the width direction as long as the diameter of the object placing base 3 is larger than the width of the conveyor 2.

Furthermore, in order to prevent the workpiece to be sprayed from sliding on the storage base 3, a positioning column 9 is arranged on the storage base 3, and the positioning column 9 is used for fixing the workpiece to be sprayed. When the powder spraying device is used, the positioning groove matched with the positioning column 9 is formed in the workpiece to be sprayed, and the workpiece to be sprayed can be fixedly placed on the storage base 3 through the matching effect of the positioning column 9 and the positioning groove.

The positioning posts 9 can be fixedly connected to the upper top plate 301, as shown in fig. 4 and 5.

The positioning column 9 can also be fixedly connected to the lower bottom plate 302, in which case the filter plate 7 is provided with a first through hole 701, the upper top plate 301 is provided with a second through hole 3011, and the positioning column 9 simultaneously passes through the first through hole 701 and the second through hole 3011, as shown in fig. 6. In order to prevent the sprayed powder in the powder storage chamber 31 from entering the power chamber 302 from the first through hole 701, a gasket is provided at the first through hole 701.

Furthermore, a plurality of reinforcing support columns 10 are arranged in the object placing base 3, a plurality of third through holes 702 are formed in the filter plate 7, the reinforcing support columns 10 penetrate through the third through holes 702, and two ends of each reinforcing support column 10 are fixedly connected with the upper top plate 301 and the lower bottom plate 302 respectively. Because the upper top plate 301 is of a screen structure, when a workpiece to be sprayed is heavy, the upper top plate 301 may deform under pressure after long-term use, and the plurality of reinforcing support columns 10 are additionally arranged between the upper top plate 301 and the lower bottom plate 302, so that the bearing capacity of the upper top plate 301 can be improved. In order to prevent the sprayed powder in the powder storage chamber 31 from entering the power chamber 302 from the third through hole 702, a gasket is also provided at the third through hole 702.

In order to simplify the circuit arrangement of the external power source, a power source 12 may be fixedly disposed in the power chamber 302, the power source 12 may be a storage battery or a rechargeable battery, and the power source 12 is electrically connected to the dust suction motor 8, which is not shown in fig. 6. The built-in power supply 12 is arranged in the storage base 3 to provide electric energy for the dust collection motor 8.

Further, a control panel 13 is arranged on the side wall plate 303, and the control panel 13 is electrically connected with the power supply 12 and the dust collection motor 8. When in use, the power supply can be switched on and the power of the dust collection motor 8 can be adjusted through the control panel 13.

Furthermore, a rotary driving motor 11 is further disposed in the power chamber 32, the rotary driving motor 11 is fixedly connected to the lower bottom plate 302, a driving shaft of the rotary driving motor 11 is fixedly connected to the positioning column 9, and the rotary driving motor 11 can drive the positioning column 9 to rotate, as shown in fig. 7. The rotary drive motor 11 may be powered by an external power source. In fig. 7, the upper top plate 301, the filter plate 7 and a part of the side wall plate 303 are omitted to show the internal structure of the receiving base 3 more clearly. Through setting up rotary driving motor 11, during spraying operation, the work piece of waiting to spray powder not only can advance along the direction of transmission of conveyer 2 under the transmission of conveyer 2, can also be in step rotary motion under rotary driving motor 11's drive. Therefore, all surfaces of the workpiece to be sprayed can be uniformly sprayed in the powder spraying chamber 1, and the phenomenon of uneven powder spraying on the surfaces of the workpiece to be sprayed can be avoided.

At this time, the control panel 13 is electrically connected to the power source 12, the dust suction motor 8 and the rotation driving motor 11, and electrical connection wires are not shown in fig. 7. A built-in power supply 12 is arranged in the object placing base 3 to provide electric energy for the dust collection motor 8 and the rotary driving motor 11. When in use, the operations of power supply connection, power adjustment of the dust collection motor 8, power adjustment of the rotary driving motor 11 and the like can be realized through the control panel 13.

The article placing base 3 shown in fig. 1 to 7 is provided with two positioning columns 9, so that two workpieces to be sprayed can be subjected to fixed spraying operation at the same time, and a plurality of positioning columns 9 can be arranged on the article placing base 3 according to the size of the article placing base 3 and the size of the workpieces to be sprayed, so that the fixed spraying operation of the workpieces to be sprayed can be realized.

The present invention is not limited to the above-described specific embodiments, and various modifications and changes are possible. Any modification, equivalent replacement, improvement and the like of the above embodiments according to the technical spirit of the present invention should be included in the scope of the present invention.

Claims (10)

1. A powder spray coating system, comprising:

the powder spraying chamber is internally provided with a powder spraying head;

the conveyor penetrates through the powder spraying chamber and is used for conveying the workpiece to be sprayed; and

a placement base placed on the conveyor; the storage base is formed by assembling an upper top plate, a lower bottom plate and side wall plates; the upper top plate is of a screen mesh structure and is used for placing a workpiece to be subjected to powder spraying; a filter plate is arranged in the article placing base, and the filter plate divides the article placing base into an upper powder storage chamber and a lower power chamber which are separated from each other; a dust collection motor is arranged in the power chamber, an air outlet is arranged on the lower bottom plate, and the air outlet is communicated with the power chamber; and a powder outlet is formed in the side wall of the powder storage chamber.

2. The powder spray coating system of claim 1 wherein said placement base has a positioning post thereon for securing a workpiece to be sprayed.

3. A powder coating system as recited in claim 2, wherein the locating posts are fixedly attached to the top plate.

4. The powder coating system of claim 2 wherein said alignment post is fixedly attached to said bottom plate, said filter plate has a first aperture therethrough, said top plate has a second aperture therethrough, and said alignment post passes through both said first aperture and said second aperture.

5. The powder spray coating system of claim 4 wherein a plurality of reinforcing support posts are disposed in said placement base, a plurality of third through holes are disposed in said filter plate, said reinforcing support posts pass through said third through holes, and both ends of said reinforcing support posts are fixedly connected to said upper top plate and said lower bottom plate, respectively.

6. The powder coating system of claim 5, wherein a rotary drive motor is further disposed in the power chamber, the rotary drive motor is fixedly connected to the bottom plate, a drive shaft of the rotary drive motor is fixedly connected to the positioning post, and the rotary drive motor can drive the positioning post to rotate.

7. A powder spray coating system as claimed in claim 6, wherein a power supply is fixedly disposed within the power chamber, the power supply being electrically connected to the suction motor and the rotary drive motor.

8. The powder spray coating system of claim 7 wherein a control panel is provided on said sidewall plate, said control panel being electrically connected to said power source, said dust extraction motor and said rotary drive motor.

9. A powder spraycoating system according to any one of claims 1 to 8, wherein the conveyor is a roller conveyor or a chain conveyor or a drag conveyor.

10. A powder coating system as defined in claim 9, wherein said docking station is rectangular and has a width greater than a width of said conveyor; or

The object placing base is cylindrical, and the diameter of the object placing base is larger than the width of the conveyor.

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