阅读说明：本技术 一种自洁净喷房 (self-cleaning spray room ) 是由 杨中敏 于 2019-11-07 设计创作，主要内容包括：本发明涉及静电粉末喷涂技术领域,尤其是指一种自洁净喷房,其包括主机架、设置于主机架的喷粉室、活动设置于喷粉室的自动喷粉枪、活动设置于喷粉室的手动喷粉枪、设置于喷粉室内的工作台板、设置于喷粉室下端的第一粉料回收装置以及与喷粉室连通的第二粉料回收装置,所述工作台板设有多个导向凸块,导向凸块设有导向风口,自动喷粉枪的数量以及手动喷粉枪的数量均为多个,第一粉料回收装置用于对喷粉室下端的粉料回收,第二粉料回收装置用于对喷粉室中悬浮的粉料回收。本发明实现了自动地回收粉尘,消除粉尘爆炸的安全隐患,提高粉料的回收利用率,提高粉料的回收效率。(The invention relates to the technical field of electrostatic powder spraying, in particular to self-cleaning spray rooms, which comprise a main frame, a powder spray chamber arranged on the main frame, an automatic powder spray gun movably arranged on the powder spray chamber, a manual powder spray gun movably arranged on the powder spray chamber, a working table plate arranged in the powder spray chamber, a powder recovery device arranged at the lower end of the powder spray chamber and a second powder recovery device communicated with the powder spray chamber, wherein the working table plate is provided with a plurality of guide bumps, the guide bumps are provided with guide air ports, the number of the automatic powder spray guns and the number of the manual powder spray guns are both multiple, a powder recovery device is used for recovering powder at the lower end of the powder spray chamber, and the second powder recovery device is used for recovering powder suspended in the powder spray chamber.)

The self-cleaning spray booth comprises a main frame and a powder spray chamber arranged on the main frame, and is characterized by further comprising an automatic powder spray gun movably arranged in the powder spray chamber, a manual powder spray gun movably arranged in the powder spray chamber, a working table plate arranged in the powder spray chamber, a th powder recovery device arranged at the lower end of the powder spray chamber and a second powder recovery device communicated with the powder spray chamber, wherein the working table plate is provided with a plurality of guide convex blocks, guide air openings are formed in the guide convex blocks, the number of the automatic powder spray guns and the number of the manual powder spray guns are multiple, the th powder recovery device is used for recovering powder falling to the lower end of the powder spray chamber, and the second powder recovery device is used for recovering powder suspended in the powder spray chamber.

2. The self-cleaning spray booth of claim 1, wherein the powder recovery device comprises a hopper mounted on a main frame, a powder collecting tube mounted at the bottom of the hopper, and an air adjusting assembly rotatably mounted at the end of the powder collecting tube , the powder collecting tube comprises an upper tube and a lower tube, the upper tube is rotatably mounted on the main frame, the lower tube is fixedly mounted on the main frame, the hopper comprises two inclined walls fixedly mounted on two sides of the main frame, air inlet gaps are respectively reserved between two sides of the upper tube and the two inclined walls, the inclined walls guide powder to enter the lower tube through the air inlet gaps, the powder collecting tube is used for communicating with an external air blower, and the air adjusting assembly is used for adjusting the opening of the powder collecting tube.

3. The self-cleaning spray booth of claim 2, wherein the air adjustment assembly comprises an adjustment flap rotatably disposed in the powder collection tube, an adjustment shaft rotatably disposed in the powder collection tube and fixedly connected to the adjustment flap, and an adjustment handle mounted at the end of the adjustment shaft .

4. The self-cleaning spray booth of claim 2, wherein the upper tube, the main frame, and the two sloped walls enclose a powder guiding chamber, the lower tube has a powder collecting chamber inside, the powder guiding chamber and the powder collecting chamber are connected via an air inlet gap, and an external blowing device blows air towards the powder guiding chamber.

5. The self-cleaning spray booth of claim 2, wherein said upper tube body has an arcuate cross-section.

6. The self-cleaning spray booth of claim 1, wherein the second powder recovery device comprises a telescopic air duct connector, a frame connected to the main frame, a sound muffling box disposed on the frame, a dust collecting box disposed on the frame and connected to the powder spray chamber, a blower mounted inside the sound muffling box, a dust falling mechanism movably mounted on the frame, and a plurality of filter mechanisms detachably mounted in the dust collecting box, wherein the filter mechanisms are connected to the blower via the telescopic air duct connector, and the blower sucks the powder suspended in the powder spray chamber into the dust collecting box.

7. The self-cleaning spray booth of claim 6, wherein the sound deadening box comprises a cabinet shell installed on the main frame, a perforated plate installed inside the cabinet shell, a sound deadening cotton layer installed between the cabinet shell and the perforated plate, and a glass fiber cloth layer installed between the sound deadening cotton layer and the perforated plate, and the perforated plate is provided with a plurality of through holes.

8. The self-cleaning spray booth of claim 6, wherein the second powder recovery device further comprises an air inlet duct in communication with the dust box, the air inlet duct has a bent air inlet end in communication with the powder spray chamber, an air inlet of the bent air inlet end is exposed outside the muffling chamber, an end of the air inlet duct is located inside the muffling chamber, another end of the air inlet duct is in communication with the dust box, and the blower draws the powder suspended in the powder spray chamber into the dust box through the air inlet duct.

9. The self-cleaning spray booth of claim 6, wherein an air outlet is provided at the top of the sound-muffling box.

Technical Field

The invention relates to the technical field of electrostatic powder spraying, in particular to self-cleaning spraying rooms.

Background

The electrostatic spraying is carried out in a powder spraying chamber, high-voltage corona discharge electric fields are formed between a spray gun and a workpiece, when powder particles are sprayed out from a spray gun mouth and pass through an over-discharging area, a large amount of electrons are supplemented to form negatively charged particles, and the negatively charged particles are adsorbed on the positively charged workpiece under the action of electrostatic attraction, when the powder is attached to constant thickness, the action of 'same polarity repulsion' occurs, the powder cannot be adsorbed again, so that the thickness of a powder layer of each part is uniform, then the powder layer is leveled into a uniform film layer after being heated, baked and solidified, the recovery of the powder can be divided into a wet method and a dry method, the wet method is that a gas flow with the powder is filtered through a liquid container to achieve purification, the powder with the liquid is dried and reused, the dry method is that the powder particles are collected in the gas flow discharged from the powder spraying chamber, the dry method is of the type, such as a gravity settling type, an inertia separation type, a cyclone separation type, a sintering plate separation type and the like, the existing electrostatic spraying equipment cannot automatically recover the dust, and the dust recovery efficiency is low.

Disclosure of Invention

The invention aims to provide self-cleaning spray rooms, which can automatically recover dust, eliminate the potential safety hazard of dust explosion, improve the recovery rate of powder and improve the recovery efficiency of powder.

In order to solve the technical problems, the invention adopts the following technical scheme:

self-cleaning spray booth, it includes the main frame and sets up in the spray booth of main frame, the activity sets up in the automatic powder gun of spray booth, the activity sets up in the manual powder gun of spray booth, sets up the work platen in the spray booth, sets up powder recovery unit and the second powder recovery unit with the spray booth intercommunication in spray booth lower extreme, the work platen is equipped with a plurality of direction lugs, and the direction lug is equipped with the direction wind gap, and the quantity of automatic powder gun and the quantity of manual powder gun are a plurality of, and the powder recovery unit is used for retrieving the powder of spray booth lower extreme, and the second powder recovery unit is used for retrieving the powder of suspension in the spray booth.

, the powder recovery device comprises a funnel arranged on a main frame, a powder collecting pipe arranged at the bottom of the funnel and an air adjusting assembly arranged at the end of the powder collecting pipe in a rotating mode, wherein the powder collecting pipe comprises an upper pipe body and a lower pipe body, the upper pipe body is arranged on the main frame in a rotating mode, the lower pipe body is fixedly arranged on the main frame, the funnel comprises two inclined walls fixedly arranged on two sides of the main frame respectively, air inlet gaps are reserved between two sides of the upper pipe body and the two inclined walls respectively, the inclined walls guide powder to enable the powder to enter the lower pipe body through the air inlet gaps, the powder collecting pipe is used for communicating with an external air blower, and the air adjusting assembly is used for adjusting and controlling the opening.

, the air adjusting component comprises an adjusting sheet rotatably arranged in the powder collecting pipe, an adjusting shaft rotatably arranged in the powder collecting pipe and fixedly connected with the adjusting sheet, and an adjusting handle arranged at the end of the adjusting shaft .

, the upper tube body, the main frame and the two inclined walls are arranged in a surrounding mode to form a powder guide cavity, a powder collecting cavity is arranged inside the lower tube body, the powder guide cavity is communicated with the powder collecting cavity through an air inlet gap, and an external blowing device blows air towards the powder guide cavity.

, the cross section of the upper tube body is arc-shaped.

, the second powder recovery device comprises a telescopic air pipe joint, a frame body connected with the main frame, a sound-muffling box arranged on the frame body, a dust-collecting box arranged on the frame body and communicated with the powder spraying chamber, a fan arranged inside the sound-muffling box, a dust falling mechanism movably arranged on the frame body and a plurality of filtering mechanisms detachably arranged in the dust-collecting box, wherein the filtering mechanisms are communicated with the fan through the telescopic air pipe joint, and the fan sucks the suspended powder in the powder spraying chamber into the dust-collecting box.

, the sound deadening box comprises a box shell arranged on the main frame, a pore plate arranged inside the box shell, a sound deadening cotton layer arranged between the box shell and the pore plate, and a glass fiber cloth layer arranged between the sound deadening cotton layer and the pore plate, wherein the pore plate is provided with a plurality of through holes.

, the second powder recovery device further comprises an air inlet pipeline communicated with the dust collection box, the air inlet pipeline is provided with a bent air inlet end communicated with the powder spraying chamber, an air inlet of the bent air inlet end is exposed outside the silencing box, the end of the air inlet pipeline is positioned in the silencing box, the other end of the air inlet pipeline is communicated with the dust collection box, and the fan pumps the powder suspended in the powder spraying chamber into the dust collection box through the air inlet pipeline.

, an air outlet is arranged on the top of the sound deadening box.

The self-cleaning powder spraying room has the beneficial effects that airflow is led in the powder spraying room, the flowing direction of the airflow is perpendicular to the guide convex blocks, the self-cleaning powder spraying room is provided with a plurality of stations, an operator operates the manual powder spraying gun to spray powder on the workpiece loaded on the working table plate, the automatic powder spraying gun automatically sprays powder on the workpiece loaded on the working table plate, part of dust is diffused in the powder spraying room, the suspended dust in the powder spraying room enters the second powder recovery device along with the airflow, the second powder recovery device recovers the dust, and the th powder recovery device recovers the dust at the lower end of the powder spraying room, so that the automatic recovery of the dust is realized, the potential safety hazard of dust explosion is eliminated, the recovery utilization rate of the powder is improved, and the recovery efficiency of the powder is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the main frame, the powder spray booth and the blower of the present invention.

Fig. 3 is a schematic structural diagram of the powder spraying chamber, the main frame, the guide projection and the guide air opening of the invention.

FIG. 4 is a schematic perspective view of an th powder recovery device according to the present invention.

FIG. 5 is a schematic view of another perspective structure of the th powder recycling device of the present invention.

Fig. 6 is a schematic structural view of the powder collecting pipe and the air adjusting assembly of the invention.

FIG. 7 is a schematic view of the second powder recovering device according to the present invention.

FIG. 8 is a second schematic structural view of a second apparatus for recovering powder according to the present invention.

FIG. 9 is a third schematic structural view of a second apparatus for recovering a fine material of the present invention.

Description of reference numerals:

1-main frame, 11-powder spray chamber, 2-automatic powder spray gun, 3-manual powder spray gun, 4-work table plate, 41-guide projection, 42-guide air opening, 5- powder recovery device, 51-funnel, 511-inclined wall, 52-powder collecting pipe, 521-upper pipe body, 522-lower pipe body, 523-powder collecting cavity, 53-air adjusting component, 531-adjusting sheet, 532-adjusting shaft, 533-adjusting handle, 54-air inlet gap, 55-powder guide cavity, 56-blower, 6-second powder recovery device, 61-frame body, 62-sound insulation box, 621-hole plate, 622-sound insulation cotton layer, 624-glass fiber layer, 625-air outlet, 63-dust collection box, 64-blower, 65-dust falling mechanism, 66-filtering mechanism, 67-air inlet pipeline, 68-bent air inlet end and 69-telescopic air pipe joint.

Detailed Description

In order to facilitate the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 9, the self-cleaning spray booths provided by the present invention comprise a main frame 1, a powder spray chamber 11 disposed on the main frame 1, an automatic powder spray gun 2 movably disposed on the powder spray chamber 11, a manual powder spray gun 3 movably disposed on the powder spray chamber 11, a work bench 4 disposed in the powder spray chamber 11, a powder recovery device 5 disposed below the work bench 4, and a second powder recovery device 6 communicated with the powder spray chamber 11, wherein the work bench 4 is provided with a plurality of guiding protrusions 41, the guiding protrusions 41 are provided with guiding air vents 42, the number of the automatic powder spray guns 2 and the number of the manual powder spray guns 3 are plural, the powder recovery device 5 is used for recovering powder falling under the action of gravity, and the second powder recovery device 6 is used for recovering powder suspended in the powder spray chamber 11.

In the actual application, in the process of spraying a workpiece, an airflow is introduced into the powder spraying chamber 11, the flowing direction of the airflow is perpendicular to the guide bump 41, the self-cleaning powder spraying chamber is provided with a plurality of stations, an operator operates the manual powder spraying gun 3 to spray powder on the workpiece loaded on the working table plate 4, the automatic powder spraying gun 2 automatically sprays powder on the workpiece loaded on the working table plate 4, part of dust is diffused and suspended in the powder spraying chamber 11, the dust above the working table plate 4 enters the second powder recovery device 6 along with the airflow, the second powder recovery device 6 recovers the dust, and the th powder recovery device 5 recovers the dust falling under the action of gravity, so that the automatic dust recovery is realized, the potential safety hazard of dust explosion is eliminated, the recovery utilization rate of the powder is improved, and the recovery efficiency of the powder is improved.

In the embodiment, the powder recovery device 5 comprises a hopper 51 mounted on the main frame 1, a powder collecting pipe 52 mounted at the bottom of the hopper 51 and an air adjusting assembly 53 rotatably arranged at the end of a powder collecting pipe 52 , the powder collecting pipe 52 comprises an upper pipe 521 and a lower pipe 522, the upper pipe 521 is rotatably arranged on the main frame 1, the lower pipe 522 is fixedly mounted on the main frame 1, the hopper 51 comprises two inclined walls 511 fixedly mounted on two sides of the main frame 1 respectively, an air inlet gap 54 is reserved between two sides of the upper pipe 521 and the two inclined walls 511 respectively, the inclined walls 511 guide powder to enter the lower pipe 522 through the air inlet gap 54, the powder collecting pipe 52 is used for communicating with an external air blower, the air adjusting assembly 53 is used for adjusting the opening degree of the powder collecting pipe 52, in the actual application, the surface of a workpiece is sprayed in the powder spraying chamber 11, when the powder falls on the inclined walls 511 of the hopper 51 and enters the lower pipe 522 through the air inlet gap 54, when the powder in the lower pipe 522 is accumulated to , the powder is quantitatively sprayed, the powder collecting pipe 52 is adjusted by adjusting the air inlet assembly 53, the powder collecting pipe 52 is opened, the powder collecting pipe 52 is capable of adjusting the powder collecting pipe 52, the powder collecting pipe is capable of being opened, the powder collecting pipe is effectively adjusted, the powder collecting pipe 52, the powder collecting pipe is prevented from being blown, the powder collecting pipe 52, the powder collecting pipe is effectively recovered, the powder collecting pipe is adjusted, the powder collecting pipe is closed, the powder collecting pipe 52, the.

In this embodiment, the air adjusting assembly 53 includes an adjusting blade 531 rotatably disposed in the powder collecting pipe 52, an adjusting shaft 532 rotatably disposed in the powder collecting pipe 52 and fixedly connected to the adjusting blade 531, and an adjusting handle 533 mounted at an end of the adjusting shaft 532 . specifically, the adjusting blade 531 is shaped to match a cross-sectional shape of an air inlet end of the powder collecting pipe 52, the adjusting handle 533 is pulled to drive the adjusting shaft 532 and the adjusting blade 531 to rotate together, so as to adjust the wind direction and the wind speed, when the adjusting blade 531 rotates to a vertical state, the air inlet end of the powder collecting pipe 52 is blocked, and the powder is collected in the powder collecting pipe 52.

In this embodiment, the upper tube 521, the main frame 1 and the two inclined walls 511 are enclosed to form a powder guiding cavity 55, the lower tube 522 is provided with a powder collecting cavity 523 inside, the powder guiding cavity 55 is communicated with the powder collecting cavity 523 through the air inlet gap 54, and an external blowing device blows air towards the powder guiding cavity 55. Specifically, the powder guide cavity 55 has a guiding effect on the powder, so that the powder is accurately guided into the powder collecting cavity 523, the powder recovery efficiency is improved, and the powder recovery effect is good.

In this embodiment, the cross section of the upper pipe body 521 is arc-shaped, which can effectively prevent powder from being accumulated and improve the recovery efficiency of the powder.

In the embodiment, the second powder recovery device 6 comprises a telescopic air duct joint 69, a frame body 61 connected with a main frame 1, a sound attenuation box 62 arranged on the frame body 61, a dust collection box 63 arranged on the frame body 61 and communicated with the powder spraying chamber 11, a fan 64 arranged inside the sound attenuation box 62, a dust falling mechanism 65 movably arranged on the frame body 61 and a plurality of filtering mechanisms 66 detachably arranged in the dust collection box 63, wherein the filtering mechanisms 66 are communicated with the fan 64 through the telescopic air duct joint 69, the fan 64 sucks the suspended powder in the powder spraying chamber 11 into the dust collection box 63, the sound attenuation box 62 comprises a box shell 621 arranged on the main frame 1, a pore plate 622 arranged inside the box shell 621, a silencing cotton layer 623 arranged between the box shell 621 and the pore plate 622 and a glass fiber cloth layer 624 arranged between the silencing cotton layer 623 and the pore plate 622, the pore plate 622 is provided with a plurality of through holes (not shown in the figure) in the pore plate 622, the fan 64 is started to drive the dust collection box 63 in practical application, so that the dust suspended in the powder spraying chamber 11 is guided into the sound attenuation box 63 along with the air flow, the dust collection box 63 is filtered by the filtering cotton layer 3564, the dust absorption box 66 is capable of filtering cotton layer, the dust absorption box is capable of filtering and the dust absorption box, the dust absorption box is capable of filtering cotton layer, the dust absorption box is capable of filtering mechanism capable of filtering cotton layer, the dust absorption box is capable of filtering and capable of filtering the dust absorption box, the dust.

In this embodiment, the second powder recycling device 6 further includes an air inlet duct 67 communicated with the dust box 63, the air inlet duct 67 is provided with a bent air inlet end 68 communicated with the powder spraying chamber 11, an air inlet of the bent air inlet end 68 is exposed outside the sound muffling box 62, an end of the air inlet duct 67 is located inside the sound muffling box 62, another end of the air inlet duct 67 is communicated with the dust box 63, the fan 64 sucks the suspended powder in the powder spraying chamber 11 into the dust muffling box 63 through the air inlet duct 67, an air outlet 625 is arranged at the top of the sound muffling box 62, and clean air is exhausted outside through the air outlet 625.

All the technical features in the embodiment can be freely combined according to actual needs.

The above embodiments are preferred implementations of the present invention, and the present invention can be implemented in other ways without departing from the spirit of the present invention.