CN214390681U

CN214390681U - Powder supply assembly, powder supply device and spraying device

Info

Publication number: CN214390681U
Application number: CN202022155606.6U
Authority: CN
Inventors: 林江; 陈文彬; 林国正
Original assignee: Guangdong Zeheng Intelligent Technology Co ltd
Current assignee: Guangdong Zeheng Intelligent Technology Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-10-15
Anticipated expiration: 2030-09-27

Abstract

The utility model provides a powder supply assembly, a powder supply device and a spraying device, wherein the powder supply assembly comprises a powder supply assembly body, a channel is arranged in the powder supply assembly body, the channel comprises a powder pump connecting hole, a spray gun connecting hole and a blowing hole, and the powder pump connecting hole, the spray gun connecting hole and the blowing hole are mutually communicated; a bidirectional non-return assembly is arranged in the channel; in the first state, the bidirectional non-return assembly separates the spray gun connecting hole from the blowing cleaning hole, and the powder pump connecting hole is communicated with the spray gun connecting hole; in the second state, the two-way non-return assembly separates the powder pump connecting hole from the spray gun connecting hole, and the spray gun connecting hole is communicated with the cleaning and blowing hole. The utility model discloses be provided with two-way non return subassembly for it is more convenient when powder subassembly is supplied in the clearance.

Description

Powder supply assembly, powder supply device and spraying device

Technical Field

The utility model relates to a spraying equipment field especially relates to a supply powder subassembly, supply powder device and spraying device.

Background

Electrostatic spraying is a processing technology for attaching related protective paint to the surface of a related workpiece or plate by negatively charging atomized paint under the action of a high-voltage direct-current electric field by utilizing a corona discharge principle so as to carry out surface corrosion protection on the related workpiece or plate, and is a device for fixing the position of the processed workpiece or plate so as to guarantee the electrostatic spraying effect, and is widely used in the field of related workpiece processing. After the spraying operation is completed, the residual paint in the powder supply pipeline needs to be cleaned, so that the normal operation of the next spraying operation is not influenced. When supplying the clearance operation of powder pipeline, need follow the powder supply device with the spraying subassembly and dismantle, clear the spraying subassembly of blowing on the subassembly with the spraying subassembly link again, reach the effect of clearance spraying subassembly, but the mode of clearance spraying subassembly is more loaded down with trivial details like this.

SUMMERY OF THE UTILITY MODEL

Therefore, a powder supply assembly, a powder supply device and a spraying device which are more convenient to clean are needed.

In order to solve the technical problem, the utility model provides a powder supply assembly, which comprises a powder supply assembly body, wherein a channel is arranged in the powder supply assembly body, the channel comprises a powder pump connecting hole, a spray gun connecting hole and a blowing hole, and the powder pump connecting hole, the spray gun connecting hole and the blowing hole are mutually communicated; a bidirectional non-return assembly is arranged in the channel; in a first state, the bidirectional non-return assembly separates the spray gun connecting hole from the blowing hole, and the powder pump connecting hole is communicated with the spray gun connecting hole; in the second state, the two-way non-return assembly separates the powder pump connecting hole from the spray gun connecting hole, and the spray gun connecting hole is communicated with the cleaning and blowing hole.

Preferably, the powder supply assembly body comprises a powder supply assembly connecting part and a spray gun assembly connecting part, and the powder supply assembly connecting part is fixedly connected with the spray gun assembly connecting part; the powder supply assembly connecting part is far away from one end of the spray gun assembly connecting part and is gradually contracted.

Preferably, the powder supply assembly connecting part is arranged in an isosceles trapezoid shape, and an included angle formed between the upper base of the isosceles trapezoid and the waist of the isosceles trapezoid is 120-170 degrees.

Preferably, the powder pump connecting hole, the spray gun connecting hole and the cleaning hole extend inside the powder supply assembly body to form a powder supply pipeline, a spray gun connecting pipeline and a cleaning pipeline in sequence; the bidirectional non-return assembly comprises a sliding block, and the sliding block is arranged in the powder supply channel; in a first state, when the sliding block is close to one end of the cleaning and blowing pipeline, the powder supply pipeline is communicated with the spray gun connecting pipeline; and in the second state, when the slide block is far away from one end of the blowing pipeline, the blowing pipeline is communicated with the spray gun connecting pipeline.

Preferably, the included angle formed between the projections of the powder supply pipeline and the spray gun connecting pipeline on the same plane is 120-170 degrees.

Preferably, the powder supply assembly further comprises a cleaning and blowing assembly connecting part, and the cleaning and blowing assembly connecting part is fixedly connected with the spray gun assembly connecting part; an air inlet and an air outlet are formed in the spray gun assembly connecting portion, and the air inlet is communicated with the air outlet.

Preferably, the connecting part of the blowing and cleaning assembly is provided with a plurality of air inlets; at least one of the air inlets is communicated with high-pressure gas, and the air inlet which is not communicated with the high-pressure gas is in a closed state.

Preferably, this powder supply subassembly still includes the clear subassembly of blowing, the clear subassembly of blowing includes that gas connects the pipeline and the clear pipeline of blowing of spray gun, the clear subassembly of blowing still includes the clear non return subassembly of blowing, the clear non return subassembly of blowing respectively with gas connects the pipeline and the clear pipeline of blowing of spray gun is connected.

The utility model also provides a powder supply device, including supplying powder device body and above-mentioned arbitrary one supply the powder subassembly, supply the powder device body with supply powder subassembly fixed connection.

The utility model also provides a spraying device, including spraying device body and above-mentioned arbitrary one supply the powder subassembly, the spraying device body with supply powder subassembly fixed connection.

The utility model discloses be provided with two-way non return subassembly, two-way non return subassembly can control the trend behind the gaseous clear passageway that blows that gets into, and two-way non return subassembly still controls powder coating and gets into the trend behind the confession powder passageway in addition. Two-way non return subassembly sets up to both can communicate also can separate between with each passageway, realizes supplying powder and clearly blow two kinds of functions promptly on a device for it is more convenient when the powder subassembly is supplied in the clearance.

Drawings

The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.

FIG. 1 is a schematic view of the overall structure of a powder supply assembly according to a preferred embodiment of the present invention;

FIG. 2 is a bottom view of the powder supply assembly according to the preferred embodiment of the present invention;

FIG. 3 is a side view of a powder supply assembly according to a preferred embodiment of the present invention;

fig. 4 is a sectional view in the direction a-a of fig. 3.

In the figure: 1. a powder supply assembly body; 11. a channel; 111. a powder pump connection hole; 112. a spray gun connection hole; 113. Cleaning the blowing holes; 114. a bi-directional check assembly; 115. a powder supply pipeline; 116. the spray gun is connected with a pipeline; 117. blowing the pipeline; 12. a powder supply assembly connection part; 13. a spray gun assembly connection; 131. an air inlet; 2. a blowing component; 21. blowing non return subassembly.

Detailed Description

To facilitate an understanding of the present invention, the present invention will now be described more fully with reference to the accompanying drawings.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-4, the utility model provides a supply powder subassembly should supply the powder subassembly including supplying powder subassembly body 1, has offered passageway 11 in supplying powder subassembly body 1, and passageway 11 includes powder pump connecting hole 111, spray gun connecting hole 112 and clear hole 113 of blowing, and powder pump connecting hole 111, spray gun connecting hole 112 and clear hole 113 of blowing communicate each other. A bidirectional check assembly 114 is arranged in the channel 11; in the first state, the two-way check assembly 114 blocks the gun connection hole 112 from the purge hole 113, and the powder pump connection hole 111 communicates with the gun connection hole 112. The powder pump connecting hole 111 is communicated with a high-pressure coating pump, the coating in the high-pressure coating pump enters a spray gun through a spray gun connecting port, the spray gun sprays the coating on the surface of a workpiece, the coating is prevented from entering the cleaning and blowing hole 113 under the action of the two-way check assembly 114, and the pollution of the residual coating in the cleaning and blowing hole 113 to the next spraying operation is avoided; in the second state, the two-way check assembly 114 separates the powder pump connection hole 111 from the gun connection hole 112, and the gun connection hole 112 communicates with the purge hole 113. In the second state, the cleaning hole 113 is filled with high pressure gas, the high pressure gas enters the spray gun through the spray gun connecting hole 112 to clean the spray gun, and the two-way check assembly 114 prevents the high pressure gas from entering the powder pump connecting hole 111.

In a preferred embodiment, the powder supply assembly body 1 comprises a powder supply assembly connecting part 12 and a spray gun assembly connecting part 13, and the powder supply assembly connecting part 12 is fixedly connected with the spray gun assembly connecting part 13; the powder supply assembly connecting part 12 is gradually contracted away from one end of the spray gun assembly connecting part 13. The powder supply assembly connecting part 12 comprises two end faces, the two end faces extend out of the side face along the length direction of the powder supply assembly connecting part 12, and the end faces and the side face are enclosed to form an upper bottom face and a lower bottom face. The side surface is provided with a certain inclination. A plurality of mounting holes are formed on the bottom surface of the spray gun assembly connecting part 13.

In a preferred embodiment, the powder supply assembly connecting portion 12 is arranged in an isosceles trapezoid, and the included angle formed between the upper base of the isosceles trapezoid and the waist of the isosceles trapezoid is 120 ° to 170 °, specifically 125 ° or 130 ° or 140 ° or 145 ° or 150 ° or 160 °. The upper bottom surface and the lower bottom surface are arranged in parallel, and the parallelism is not parallel in a geometric sense at all, and can deviate by a certain angle.

In the preferred embodiment, the powder pump connection hole 111, the gun connection hole 112 and the purge hole 113 extend inside the powder supply assembly body 1 to form a powder supply duct 115, a gun connection duct 116 and a purge duct 117 in this order. Threads are arranged on one ends of the powder supply pipeline 115 and the spray gun connecting pipeline 116, which are far away from the cleaning and blowing pipeline 117, and connecting threads are also arranged on two ends of the cleaning and blowing pipeline 117; the two-way check assembly 114 comprises a sliding block which is arranged in the powder supply channel 11; in the first state, when the slide block is close to one end of the cleaning and blowing pipeline 117, the powder supply pipeline 115 is communicated with the spray gun connecting pipeline 116; in the second state, when the slider is away from one end of the purge pipe 117, the purge pipe 117 is communicated with the torch connecting pipe 116. The powder supply pipeline 115 comprises a powder supply pipeline 115 body and a connecting part, and the connecting part and the powder supply pipeline 115 body are detachably connected for convenience of processing and assembling; the sliding block is connected with the powder supply pipeline 115 body in a sliding way; both ends of connecting portion all are provided with the screw thread, and the screw thread that is close to confession powder pipeline 115 body one end can be used to restrict the displacement of slider, prevents when switch-on high-pressure gas that the slider breaks away from in supplying powder pipeline 115.

In a preferred embodiment, the angle formed between the projections of the powder supply duct 115 and the lance connection duct 116 on the same plane is 120 ° to 170 °, in particular 127 ° or 135 ° or 150 ° or 155 ° or 165 °.

In a preferred embodiment, the powder supply assembly further comprises a cleaning and blowing assembly connecting part which is fixedly connected with the spray gun assembly connecting part 13; the spray gun assembly connecting part 13 is provided with an air inlet 131 and an air outlet, and the air inlet 131 is communicated with the air outlet. The powder supply assembly connecting part 12 is provided with a length corresponding to that of the gun assembly connecting part 13, where the corresponding arrangement means that the number of powder pump connecting holes 111 provided in the powder supply assembly connecting part 12 is provided corresponding to the number of gun connecting holes 112 provided in the gun assembly connecting part 13.

In a preferred embodiment, the purge assembly connection is provided with a plurality of air inlets 131; when the cleaning and blowing operation is performed, at least one of the gas inlets 131 is connected with high-pressure gas, and the gas inlet 131 which is not connected with high-pressure gas is in a closed state. The air inlets 131 are all closed during the spraying operation.

In a preferred embodiment, the powder supply assembly further comprises a blowing assembly 2, and the blowing assembly 2 is arranged on the blowing assembly connecting part. The cleaning and blowing assembly 2 comprises a gas connecting pipeline and a spray gun cleaning and blowing pipeline, the cleaning and blowing assembly 2 further comprises a cleaning and blowing check assembly 21, and the cleaning and blowing check assembly 21 is connected with the gas connecting pipeline and the spray gun cleaning and blowing pipeline respectively. Purge check assembly 21 may be provided as a one-way check valve or a slide assembly.

The utility model also provides a supply powder device, this supply powder device is including supplying powder device body and the confession powder subassembly of above-mentioned arbitrary item, supplies powder device body and supplies powder subassembly fixed connection.

The utility model also provides a spraying device, this spraying device include the powder subassembly that supplies of spraying device body and above-mentioned arbitrary, spraying device body with supply powder subassembly fixed connection. The spraying device further comprises a high-pressure gas assembly, the high-pressure gas assembly further comprises a high-pressure gas output hole, and the high-pressure gas output hole is connected with the gas inlet 131. When the cleaning and blowing operation is performed, the high-pressure gas outlet is communicated with the gas inlet 131.

The utility model discloses be provided with two-way non return subassembly 114, two-way non return subassembly 114 can control the trend behind the gaseous clear passageway 11 that blows that gets into, two-way non return subassembly 114 still controls the trend behind powder coating gets into the confession powder passageway 11 in addition. The two-way check assembly 114 is used for setting each channel 11 to be communicated with each other or separated from each other, namely, two functions of powder supply and powder blowing are realized on one device, so that the powder supply assembly is more convenient to clean.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, reference to the description of the terms "preferred embodiment," "yet another embodiment," "other embodiments," or "specific examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. The powder supply assembly is characterized by comprising a powder supply assembly body (1), wherein a channel (11) is formed in the powder supply assembly body (1), the channel (11) comprises a powder pump connecting hole (111), a spray gun connecting hole (112) and a cleaning and blowing hole (113), and the powder pump connecting hole (111), the spray gun connecting hole (112) and the cleaning and blowing hole (113) are communicated with each other; a bidirectional check assembly (114) is arranged in the channel (11); in a first state, the bidirectional non-return assembly (114) separates the spray gun connecting hole (112) from the blowing hole (113), and the powder pump connecting hole (111) is communicated with the spray gun connecting hole (112); in the second state, the two-way check assembly (114) separates the powder pump connecting hole (111) from the spray gun connecting hole (112), and the spray gun connecting hole (112) is communicated with the blowing hole (113).

2. A powder supply assembly according to claim 1, wherein the powder supply assembly body (1) comprises a powder supply assembly connection part (12) and a spray gun assembly connection part (13), the powder supply assembly connection part (12) being fixedly connected with the spray gun assembly connection part (13); the powder supply assembly connecting part (12) is gradually contracted and arranged at one end far away from the spray gun assembly connecting part (13).

3. A powder supply assembly according to claim 2, wherein the powder supply assembly connection portion (12) is in the form of an isosceles trapezoid, the upper base of which forms an angle of 120 ° to 170 ° with the waist of the isosceles trapezoid.

4. The powder feeding assembly according to claim 1, wherein the powder pump connection hole (111), the gun connection hole (112) and the purge hole (113) extend inside the powder feeding assembly body (1) to form a powder feeding duct (115), a gun connection duct (116) and a purge duct (117) in sequence; the bidirectional non-return assembly (114) comprises a sliding block which is arranged in the powder supply pipeline (115); in a first state, when the sliding block is close to one end of the cleaning and blowing pipeline (117), the powder supply pipeline (115) is communicated with the spray gun connecting pipeline (116); and in the second state, when the sliding block is far away from one end of the cleaning and blowing pipeline (117), the cleaning and blowing pipeline (117) is communicated with the spray gun connecting pipeline (116).

5. A powder supply assembly according to claim 4, wherein the angle formed between the projections of the powder supply conduit (115) and the lance connection conduit (116) on the same plane is 120 ° to 170 °.

6. A powder supply assembly according to claim 2, further comprising a cleaning and blowing assembly (2) connection part, wherein the cleaning and blowing assembly (2) connection part is fixedly connected with the spray gun assembly connection part (13); an air inlet (131) and an air outlet are formed in the spray gun assembly connecting part (13), and the air inlet (131) is communicated with the air outlet.

7. Powder supply assembly according to claim 6, characterized in that the connecting part of the blowing and cleaning assembly (2) is provided with a plurality of air inlets (131); at least one of the air inlets (131) is connected with high-pressure gas, and the air inlet (131) which is not connected with the high-pressure gas is in a closed state.

8. A powder supply assembly according to claim 1, further comprising a purge assembly (2), the purge assembly (2) comprising a gas communication conduit and a lance purge conduit, the purge assembly (2) further comprising a purge check assembly (21), the purge check assembly (21) being connected to the gas communication conduit and the lance purge conduit, respectively.

9. A powder supply device, comprising a powder supply device body and the powder supply assembly of any one of claims 1 to 8, wherein the powder supply device body is fixedly connected with the powder supply assembly.

10. A painting apparatus comprising a painting apparatus body and a powder supply assembly as claimed in any one of claims 1 to 8, the painting apparatus body being fixedly connected to the powder supply assembly.