CN110508422B - Intelligent spraying system - Google Patents
Intelligent spraying system Download PDFInfo
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- CN110508422B CN110508422B CN201910790171.1A CN201910790171A CN110508422B CN 110508422 B CN110508422 B CN 110508422B CN 201910790171 A CN201910790171 A CN 201910790171A CN 110508422 B CN110508422 B CN 110508422B
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- 239000000843 powder Substances 0.000 claims abstract description 216
- 239000007921 spray Substances 0.000 claims abstract description 200
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- 238000001514 detection method Methods 0.000 claims abstract description 23
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
- B05B12/122—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to presence or shape of target
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
Landscapes
- Electrostatic Spraying Apparatus (AREA)
Abstract
The invention provides an intelligent spraying system which is used for spraying workpieces and is characterized by comprising a detection device, a powder room body, a spray gun component, a transmission track and a controller, wherein a powder spraying cavity is arranged in the powder room body, the spray gun component is positioned in the powder spraying cavity, the spray gun component can move in the powder spraying cavity, the transmission track penetrates through the powder room body and the spray gun component, and the detection device is positioned at the upstream of the transmission track; when the workpiece passes through the detection device, the detection device acquires workpiece information; the detection device transmits the workpiece information detected by the detection device to the controller; the controller controls the spraying time and the spraying range of the spray gun assembly; the intelligent spraying system is high in spraying efficiency and saves material powder.
Description
Technical Field
The invention relates to the field of spraying equipment, in particular to an intelligent spraying system.
Background
Electrostatic spraying is a spraying method which utilizes a high-voltage electrostatic electric field to make negatively charged paint particles directionally move along the direction opposite to the electric field and adsorb the paint particles on the surface of a workpiece. The electrostatic spraying technology has wide application range because a thicker coating can be obtained by one-time coating. Along with the development of society, the degree of automation is higher and higher, and the application of spraying production line is also wider and wider to go deep into a plurality of fields of national economy. The spraying equipment on the market can be divided into the following according to the degree of automation: manual spraying equipment, semi-automatic spraying equipment and full-automatic spraying equipment. The work flow of the existing automatic intelligent spraying system is generally that a workpiece is conveyed to a spraying station, paint is sprayed on the workpiece by using spraying equipment, and then the workpiece enters a curing chamber to be cured in an illumination mode, so that a finished product is finally obtained.
When materials are sprayed on longer workpieces such as a curtain rod, the workpieces are generally hung by a hanger in the prior art, and the workpieces sequentially enter a powder spraying room under the driving of a transmission rail and move up and down through a spray gun, so that the spraying is realized. Referring to fig. 1-3, in the existing powder spraying structure, a conveying rail 100 penetrates through a powder chamber body, a spray gun assembly 200 is located in the powder chamber body, an air draft device 300 is located outside the powder chamber body, the three spraying devices cannot automatically adjust the spraying range of the spray gun assembly, the spraying efficiency is low, and powder is wasted. Therefore, the existing intelligent spraying system is low in spraying efficiency and wastes powder.
Disclosure of Invention
Therefore, it is necessary to provide an intelligent spraying system with high spraying efficiency and material powder saving.
The embodiment of the invention provides an intelligent spraying system which is used for spraying workpieces and comprises a detection device, a powder room body, a spray gun assembly, a transmission track and a controller, wherein a powder spraying cavity is arranged in the powder room body, the spray gun assembly is positioned in the powder spraying cavity, the spray gun assembly is movable in the powder spraying cavity, the transmission track penetrates through the space between the powder room body and the spray gun assembly, and the detection device is positioned at the upstream of the transmission track;
when the workpiece on the transmission rail passes through the detection device, the detection device acquires workpiece information;
the detection device transmits the workpiece information detected by the detection device to the controller;
the controller controls the spray time and spray range of the spray gun assembly.
Preferably, the workpiece information includes height information of the workpiece and width information of the workpiece, and the spray gun assembly automatically adjusts the distance between the spray gun assembly and the workpiece and/or the stroke of the spray gun assembly in the vertical direction according to the workpiece information.
Preferably, according to the workpiece information, the spray gun assembly automatically adjusts the powder spraying speed of the spray gun assembly at the upper end and the lower end of the workpiece, and the powder spraying speed of the spray gun assembly at the upper end and the lower end of the workpiece is 50% -70% of the powder spraying speed at the middle position of the workpiece.
Preferably, the controller is connected with an external terminal, and production management software is installed on the terminal and used for remotely controlling the intelligent control system.
Preferably, be provided with a plurality of blast gates on the powder room body, it is a plurality of the blast gate sets up at different heights, when the spray gun subassembly slides from top to bottom, be close to the blast gate of spray gun subassembly is opened, and the blast gate of keeping away from the spray gun subassembly is closed.
Preferably, a powder cleaning component is arranged on the inner wall of the powder room body, and the powder cleaning component cleans the inner wall of the powder room body once every preset time; and/or the presence of a gas in the gas,
a plurality of air knives are arranged on the outer side of the bottom wall of the powder room body, and the air knives clean the powder of the bottom wall of the powder room body once every preset time; and/or the presence of a gas in the gas,
the powder cleaning device is characterized in that a hanger powder cleaning assembly is further fixed on the inner wall of the powder room body, and the hanger powder cleaning assembly cleans powder passing through the hanger.
Preferably, an air valve is arranged on the powder chamber body and comprises an air deflector and a rotary power device, the rotary power device drives the air deflector to rotate, and the maximum rotation angle of the air deflector is 20-40 degrees.
Preferably, the rotary power unit is connected with the controller, and the controller controls the air valve close to the spray gun assembly to be opened and the air valve far away from the spray gun assembly to be closed.
Preferably, the powder chamber body comprises a first side wall and a second side wall, the first ends of the first side wall and the second side wall are close to each other, the second ends of the first side wall and the second side wall are far away from each other, and the first side wall and the second side wall are provided with a powder spraying cavity; the spray gun assembly comprises a first spray gun group and a second spray gun group, the first spray gun group and the second spray gun group are positioned in the powder spraying cavity, the first ends of the first spray gun group and the second spray gun group are close to each other, and the second ends of the first spray gun group and the second spray gun group are far away from each other; a first powder spraying area is formed between the first side wall and the first spray gun group, a second powder spraying area is formed between the second spray gun group and the second side wall, and the conveying track penetrates through the first powder spraying area and the second powder spraying area.
Preferably, the maximum included angle between the first side wall and the second side wall is 50-70 °; and/or the presence of a gas in the gas,
the included angle between the spraying direction of the first spray gun group and the transmission track in the first powder spraying area is 80-90 degrees; and/or the presence of a gas in the gas,
the included angle between the spraying direction of the second spray gun group and the conveying track in the second powder spraying area is 80-90 degrees.
The intelligent spraying system can realize automatic spraying and has high spraying efficiency; the spraying range can be determined according to the length and the width of the workpiece, and the material powder can be saved.
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.
FIGS. 1-3 are schematic diagrams of a top view of a powder chamber body of an intelligent spraying system in the prior art;
FIG. 4 is a schematic top view of the powder chamber body of the intelligent spraying system according to the preferred embodiment of the present invention;
FIG. 5 is a top view of the overall structure of the intelligent coating system of the preferred embodiment of the present invention;
FIG. 6 is an exploded view of the powder chamber body and spray gun assembly of the preferred embodiment of the present invention;
FIG. 7 is an enlarged view of portion A of FIG. 6;
FIG. 8 is another exploded view of the powder chamber body according to the preferred embodiment of the present invention;
FIG. 9 is an overall structural view of a damper according to a preferred embodiment of the present invention;
FIG. 10 is a front view of the powder chamber body of the preferred embodiment of the present invention;
FIG. 11 is an exploded view of the powder chamber body of the preferred embodiment of the present invention;
FIG. 12 is an overall block diagram of the breading unit in accordance with the preferred embodiment of the invention;
FIG. 13 is an overall view of the powder chamber body according to the preferred embodiment of the present invention;
fig. 14 is an overall structural view of the hanger dusting assembly of the preferred embodiment of the present invention.
Detailed Description
To facilitate an understanding of the invention, the 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. 4 to 14, an embodiment of the present invention provides an intelligent spraying system for spraying a workpiece, which includes a detection device 10, a powder chamber body 3, a spray gun assembly 2, a conveying track 1 and a controller. Referring to fig. 4, a powder spraying cavity 30 is arranged in the powder chamber body 3, the spray gun assembly 2 is positioned in the powder spraying cavity 30, the spray gun assembly 2 is movable in the powder spraying cavity 30, the conveying track 1 passes through between the powder chamber body 3 and the spray gun assembly 2, and the detecting device 10 is positioned at the upstream of the conveying track 1;
when the workpiece on the conveying track 1 passes through the detection device 10, the detection device 10 acquires workpiece information;
the detection device 10 transmits the workpiece information detected by the detection device to the controller;
the controller controls the spray time and spray range of the spray gun assembly 2.
The intelligent spraying system can realize automatic spraying and has high spraying efficiency; the spraying range can be determined according to the length and the width of the workpiece, and the material powder can be saved.
In the preferred embodiment, the workpiece information includes height information of the workpiece and width information of the workpiece, and the spray gun assembly 2 automatically adjusts its distance from the workpiece and/or its own stroke in the up-down direction based on the workpiece information.
In the preferred embodiment, the spray gun assembly 2 automatically adjusts its spray velocity (amount of powder sprayed per unit time) at the upper and lower ends of the workpiece based on the workpiece information, with the spray velocity at the upper and lower ends of the workpiece being 50% -70% of the spray velocity at the middle position of the workpiece for the spray gun assembly 2.
In a preferred embodiment, the controller is connected with an external terminal, and production management software is installed on the terminal and used for remotely controlling the intelligent control system.
Referring to fig. 8 and 9, in the preferred embodiment, the powder chamber body 3 is provided with a plurality of air valves 33, the air valves 33 are arranged at different heights, and when the spray gun assembly 2 slides up and down, the air valve 33 close to the spray gun assembly 2 is opened, and the air valve 33 far away from the spray gun assembly 2 is closed.
Referring to fig. 11 and 12, in the preferred embodiment, the powder cleaning assembly 7 is arranged on the inner wall of the powder chamber body 3, and the powder cleaning assembly 7 cleans the inner wall of the powder chamber body 3 once every preset time.
Referring to fig. 6, in the preferred embodiment, a plurality of air knives 8 are provided on the outer side of the bottom wall 37 of the powder chamber body 3, and the plurality of air knives 8 clean the bottom wall 37 of the powder chamber body 3 once every predetermined time.
Referring to fig. 13 and 14, in a preferred embodiment, a hanger dusting assembly 9 is further fixed on the inner wall of the powder chamber body 3, and the hanger dusting assembly 9 cleans powder on passing hangers.
In a preferred embodiment, the powder chamber body 3 is provided with an air valve 33, the air valve 33 comprises an air deflector 331 and a rotary power device 332, the rotary power device 332 drives the air deflector 331 to rotate, and the maximum angle of rotation of the air deflector 331 is 20-40 °.
In the preferred embodiment, the rotary power unit 332 is connected to a controller that controls the damper 33 adjacent the spray gun assembly 2 to open and the damper 33 remote from the spray gun assembly 2 to close.
Referring to fig. 4, in the preferred embodiment, the powder chamber body 3 includes a first side wall 31 and a second side wall 32, the first end of the first side wall 31 and the second end of the second side wall 32 are close to each other, the second end of the first side wall 31 and the second side wall 32 are far away from each other, the first side wall 31 and the second side wall 32 are formed with a powder spraying cavity 30, and the powder spraying cavity 30 is approximately in a shape of a 'V'. The spray gun assembly 2 comprises a first spray gun group 21 and a second spray gun group 22, the first spray gun group 21 and the second spray gun group 22 are positioned in a powder spraying cavity 30, the powder spraying direction of the first spray gun group 21 faces to a first side wall 31, and the powder spraying direction of the second spray gun group 22 faces to the second spray gun group 22. The first ends of the first spray gun group 21 and the second spray gun group 22 are close to each other, the second ends are far away from each other (the end close to the inside of the powder spraying cavity 30 is the first end, and the other end is the second end), and the first spray gun group 21 and the second spray gun group 22 form a V shape and are matched with the shape of the powder spraying cavity 30. A first powder spray area 301 is formed between the first side wall 31 and the first gun group 21, a second powder spray area 302 is formed between the second gun group 22 and the second side wall 32, and the conveying rail 1 passes through the first powder spray area 301 and the second powder spray area 302. During spraying, the workpiece moves on the conveying track 1, and when passing through the powder spraying chamber 30, the workpiece is sprayed with negatively charged powder by the first and second gun groups 21 and 22 in the first and second powder spraying areas 301 and 302. The invention changes the traditional spray gun layout mode, arranges the spray guns in two rows and is matched with the spraying cavity, thereby being capable of arranging more spray guns and increasing the powder receiving distance of the workpiece in the powder spraying cavity 30. The included angle between the first spray gun group 21 and the second spray gun group 22 is set, so that the included angle of the powder spraying cavity 30 can be reduced, the air draft effect is improved, and the powder escape is reduced.
Referring to fig. 4, in a preferred embodiment, the maximum included angle between the first side wall 31 and the second side wall 32 is 50-70 °, in particular 55 °, 60 ° or 65 °. Further, the second ends of the first side wall 31 and the second side wall 32 are bent in a direction approaching each other, so that the second ends of the first side wall 31 and the second side wall 32 are parallel to each other. The whole powder spraying room is like an air draft cover, the air flow flows along the wall, the smaller the included angle is, the smaller the air resistance coefficient is, and the air flow to the air inlet is linear. The larger the included angle is, the wind flow is bent to the air inlet, and the wind power is blocked, so that the wind speed of the wind flow passing through the straight line is far higher than that of the bent channel type wind flow. The powder sprayed by the spray gun is in the direct current, and the powder is not easy to escape if the wind speed is high. The main reason for the escape of the powder is that the local wind speed is too low to suck the powder, and the powder moves to the outside of the powder room according to the inertia of the powder. Therefore, the smaller the angle between the first side wall 31 and the second side wall 32, the better effect of reducing the escape of the powder is achieved. The included angle of two side walls of the existing powder room is more than 180 degrees, and some included angles are about 90 degrees or 75 degrees, so that the powder escaping quantity is large, the maximum included angle between the two side walls is further reduced, the energy consumption of the air draft device 4 is reduced, the air draft effect is better, and the problem of powder escaping is fundamentally solved.
In the preferred embodiment, the included angle between the spraying direction of the first spray gun group 21 and the conveying track 1 in the first powder spraying area 301 is 80-90 degrees, the spray guns move up and down and spray the workpieces, the spraying direction of the powder is nearly vertical to the workpieces, and the powder coating effect is better. In the prior art, the workpiece is generally only partially kept in the powder receiving distance, and the discharging direction of the spray gun is approximately vertical to the workpiece. In the application, the spraying of the workpiece is kept vertical all the time in the whole powder receiving process, so that full positive powder spraying is realized, and the powder feeding efficiency is improved by 1 time.
In the preferred embodiment, the included angle between the spraying direction of the second spray gun group 22 and the conveying track 1 in the second powder spraying area 302 is 80-90 degrees, the spray guns spray the workpiece when moving up and down, the spraying direction of the powder is nearly vertical to the workpiece, and the powder coating effect is better. In the prior art, the workpiece is generally only partially kept in the powder receiving distance, and the discharging direction of the spray gun is approximately vertical to the workpiece. In the application, the spraying of the workpiece is kept vertical all the time in the whole powder receiving process, so that full positive powder spraying is realized, and the powder feeding efficiency is improved by 1 time.
In a preferred embodiment, the sum of the lengths of the first and second spray gun groups 21, 22 is between 1.5 and 4 meters, in particular the sum of the lengths of the first and second spray gun groups 21, 22 is 2 meters, 2.2 meters, 2.5 meters, 3 meters or 3.5 meters. Preferably, the first spray gun group 21 and the second spray gun group 22 can spray powder, the powder receiving distance of the workpiece can reach 2.2 meters, the powder receiving distance is greatly increased compared with that of a conventional spray system which is less than 1 meter, and the powder spraying efficiency is improved.
Referring to fig. 6 and 7, in the preferred embodiment, the spray gun assembly 2 further includes a power device 23, a guide device 24 and a transmission device 25, the first spray gun group 21 and the second spray gun group 22 are both connected with the transmission device 25, the transmission device 25 is connected with the power device 23, and the power device 23 drives the first spray gun group 21 and the second spray gun group 22 to move along the direction of the guide device 24. Further, the guide device 24 is two vertically arranged guide rods, and the first spray gun group 21 and the second spray gun group 22 move repeatedly in the up-down direction along the guide rods.
Referring to fig. 6, in a preferred embodiment, the transmission device 25 includes a rotating shaft, a driving wheel, a driven wheel and a transmission belt, the output shaft of the power device 23 is connected with the rotating shaft, the rotating shaft is connected with the driving wheel, the transmission belt surrounds the driving wheel and the driven wheel, the transmission belt is connected with the first spray gun group 21 and the second spray gun group 22, the rotating shaft, the driving wheel, the driven wheel and the transmission belt are all fixed in the protective shell, and the rotating shaft, the driving wheel, the driven wheel, the transmission belt and the protective shell form a guide device 24. In the prior art, a device which is generally made by adopting a linear air cylinder, a linear electric cylinder or a similar linear electric cylinder principle drives the spray gun component 2 to move up and down, but the wear of the spray gun component is fast and unstable. The transmission device 25 of the invention has more stable structure and is not easy to wear.
In the preferred embodiment, the power device 23 drives the first spray gun group 21 and the second spray gun group 22 to move up and down, the powder chamber body 3 is provided with a plurality of air valves 33, the air valves 33 are arranged at different heights, when the spray gun assembly 2 slides up and down, the corresponding air valve 33 is opened, and the other air valves 33 are closed. That is, the air valve 33 is opened concomitantly with the movement of the spray gun assembly 2, the opening of the air valve 33 is close to the spray gun assembly 2, the powder pumping effect is better, and the possibility of powder escaping is smaller. The air valve 33 can be selectively opened along with the spray gun assembly 2, and is opened and closed along with the up-and-down movement of the spray gun assembly 2, so that the optimal recovery air flow layer is always processed during the operation of the spray gun, the recovery energy consumption and power are reduced, and the recovery efficiency is improved.
In another preferred embodiment, the power unit 23 moves the first and second spray gun groups 21 and 22 in the up-and-down direction, and the spray velocity (amount of spray powder per unit time) when the spray gun assembly 2 is located at the upper and lower ends of the workpiece is 50-70% of the spray velocity when it is located at the middle position. In the moving process of the spray gun, the spray gun moves at the uniform speed in the middle position, and the spray gun has a turning action in the two end positions, so that the moving speed of spray painting is influenced. In a further preferred embodiment, the upper end of the workpiece occupies 0.1-0.5% of the total length of the workpiece, the lower end of the workpiece occupies 0.1-0.5% of the length of the workpiece, and the portion between the upper and lower ends of the workpiece is the middle of the workpiece. Specifically, the up-and-down movement length of the spray gun component 2 is 3-30 meters, the upper end refers to 0 and 2-1 meter at the upper end of the workpiece, and the lower end refers to 0.2-1 meter at the lower end of the workpiece. The movement mode of the spray gun assembly 2 solves many problems of the conventional spray gun assembly 2, such as the defects of incapability of sealing dust prevention, explosion prevention, shaking in operation, delay in reciprocating rotation, stroke fixing by a stroke switch and the like, and realizes the effects of dust prevention, explosion prevention, no shaking in operation, no delay in reciprocating rotation, digital input and arbitrary stroke calling.
Referring to fig. 7, in the preferred embodiment, the spray gun assembly 2 further comprises a sliding seat 20, linear power units 210 and 220, and guide units 24, two guide units 24 being provided, the sliding seat 20 being simultaneously slidably connected to the two guide units 24; the two linear power devices 210 and 220 are fixed on the sliding seat 20, and respectively drive the first spray gun group 21 and the second spray gun group 22 to slide along the sliding seat 20 in the horizontal direction, the first spray gun group 21 is connected with one of the linear power devices 210 and 220 through a first sliding block 211, and the second spray gun group 22 is connected with one of the linear power devices 210 and 220 through a second sliding block 221. The first spray gun group 21 and the second spray gun group 22 slide on the sliding seat 20 to change the distance between the spray gun and the workpiece, and can simultaneously move horizontally when the spray gun moves up and down. Among the prior art, the spray gun removes the distance that generally all can change the spray gun apart from the spray gun seat at the horizontal direction, and the spray gun can lead to the structure unstability of spray gun when the distance of spray gun apart from the spray gun seat is big, so, among the prior art, the horizontal migration distance of spraying paint is little, and it is big to realize the degree of difficulty, generally hardly realizes spray gun horizontal migration and reciprocates and go on simultaneously. In contrast, in the first and second spray gun groups 21 and 22 according to the present invention, the distance between the spray gun and the workpiece is changed by sliding along the slide base 20, and although the horizontal distance between the spray paint and the workpiece is changed, the moment between the spray gun and the slide base 20 is not changed, so that the technology is more container-friendly, has a more stable structure, and can simultaneously perform the vertical movement and the horizontal movement of the spray gun.
In the preferred embodiment, the first spray gun group 21 comprises a first fixed part 212, a plurality of spray guns are fixed on the first fixed part 212, the second spray gun group 22 comprises a second fixed part 222, a plurality of spray guns are also fixed on the second fixed part 222, the first fixed part 212 is parallel to a conveying guide rail in the first powder spraying area 301, and the second fixed part 222 is parallel to a conveying guide rail in the second powder spraying area 302. When the first spray gun group 21 moves horizontally, the spraying directions of all spray guns of the first spray gun group 21 can be ensured to be always vertical or nearly vertical to the transmission guide rail 1 in the first powder spraying area 301; similarly, when the second spray gun group 22 moves horizontally, it can be ensured that the spraying directions of all the spray guns of the second spray gun group 22 can be always kept vertical or nearly vertical to the conveying guide rail 1 in the second powder spraying area 302; in the prior art, the distance between the spray gun and the workpiece can not be moved horizontally and moved up and down simultaneously, and the distance between the spray gun and the workpiece can not be adjusted in the powder spraying process according to requirements.
Referring to fig. 10 and 12, in a preferred embodiment, the powder cleaning assembly 7 is disposed on the inner wall of the powder chamber body 3, and the powder cleaning assembly 7 is provided with a plurality of gas injection holes which inject positively charged gas onto the inner wall of the powder chamber body 3. The powder cleaning component 7 automatically cleans the powder adhered to the side wall in the powder spraying cavity 30 every period of time, the powder is firmly adhered to the side wall of the powder spraying cavity 30 due to the fact that the powder has negative charges, the negative charges of the powder can be neutralized by the gas with positive charges, the powder can fall off from the side wall more easily, and the powder is taken away by the air draft device 4.
In a further preferred embodiment, the powder cleaning assembly 7 comprises a first air outlet pipe 71 and a second air outlet pipe 72, the first air outlet pipe 71 and the second air outlet pipe 72 are respectively matched with the shapes of the first side wall 31 and the second side wall 32, the first air outlet pipe 71 moves up and down along the first side wall 31, and the second air outlet pipe 72 moves up and down along the second side wall 32, so that the powder on the first side wall 31 and the second side wall 32 can be cleaned. The conventional roller shutter is adhered with scraping powder to cause incomplete cleaning and a plurality of wearing parts, and the roller shutter realizes no wearing part through static neutralization and is quicker and thorough to clean.
In a further preferred embodiment, the positively charged air is generated by the cooperation of an air compressor and a positive ion generator.
Referring to fig. 6, in the preferred embodiment, the bottom wall 37 of the powder chamber body 3 is an inclined plane with a low inner side and a high outer side (the inner side of the bottom wall 37 is a side close to the air duct 42, and the outer side of the bottom wall 37 is a side close to the opening of the powder spraying chamber 30), and a plurality of air knives 8 are arranged on the outer side of the bottom wall, and the blowing direction of the plurality of air knives 8 forms an angle of 0-30 ° with the bottom wall 37. Air knife 8 blows off the air of positive electricity, cuts diapire 37 and blows inwards, and is same, and the bottom of powder room body 3 is provided with the feed inlet, and the feed inlet is linked together with the wind channel, and in the powder room entered into the wind channel through the feed inlet, updraft ventilator 4 and air knife 8 simultaneous action will powder room bottom clout clean up. The conventional modes of turning over the plate, sucking on the side of the plane and the like have complicated structures, do not meet the linear requirement of fluid power, and cause the defects of powder hiding, powder accumulation, powder blocking and the like.
Referring to fig. 13 and 14, in a preferred embodiment, a rack dust cleaning assembly 9 is further fixed on the second side wall 32, the rack dust cleaning assembly 9 includes a fixing seat 91 and an air outlet pipe 92, the air outlet pipe 92 is provided with an air outlet 920, and the second side wall 32 is provided with an air suction opening. The hanger powder cleaning component 9 is a fixed air duct, a plurality of air outlets 920 are arranged on the air duct, compressed air with positive electricity is blown out of the air outlets 920, the positive electricity is neutralized with negative charges on the hanger, and the material powder falls off from the hanger and is sent into an air suction pipeline under the combined action of an exhaust fan and the hanger powder cleaning component 9. The existing intelligent spraying system is not provided with a hanger cleaning assembly, and before solidification and operation are carried out after powder spraying operation, the problem that the secondary hanger is cleaned to remove powder adhered in the spraying process at one time is solved thoroughly.
Referring to fig. 6, in the preferred embodiment, the powder chamber body 3 further comprises an air draft device 4, the air draft device 4 comprises an air draft fan and an air duct 41, a plurality of air valves 33 are arranged between the first end of the first side wall 31 and the first end of the second side wall 32, the plurality of air valves 33 are arranged in sequence from top to bottom, and each air valve 33 is communicated with the air duct 41.
Referring to fig. 8 and 9, in a preferred embodiment, the air valve 33 includes an air deflector 331 and a rotary power device 332, the rotary power device 332 drives the air deflector 331 to rotate, and the rotation angle of the air deflector 331 is 0 to 40 °, specifically 10 °, 20 ° or 30 °. The air valve 33 is provided with a plurality of air deflectors 331 which are arranged in sequence from top to bottom, the rotary power device 332 drives the air deflectors 331 to rotate, so that the air valve 33 is opened or closed, and the obliquely arranged air deflectors 331 can also play a role in guiding the wind direction.
In another preferred embodiment, the air valve 33 includes an air deflector 331 and a rotary power device 332, the rotary power device 332 drives the air deflector 331 to rotate in a direction perpendicular to the horizontal plane, an upper end of the air deflector 331 is inclined away from the powder spraying chamber 30, and an angle of rotation of the air deflector 331 is 0-40 °. In particular 10 °, 20 ° or 30 °. The air valve 33 is provided with a plurality of air deflectors 331 which are arranged in sequence from top to bottom, the rotary power device 332 drives the air deflectors 331 to rotate, so that the air valve 33 is opened or closed, and the obliquely arranged air deflectors 331 can also play a role in guiding the wind direction. The air draft device 4 draws air upward, so the upper end of the air deflector 331 is inclined in a direction away from the powder spraying chamber 30.
In the preferred embodiment, the powder chamber body 3 and the spray gun assembly 2 are provided in plurality, and the powder chamber body 3 and the spray gun assembly 2 are provided on both sides of the transfer rail 1. Specifically, powder room body 3 and spray gun subassembly 2 are provided with respectively two, and two powder room bodies 3 are located the both sides of transmission track 1 respectively, and two spray gun subassemblies 2 are located two powder room bodies 3 respectively. One spray gun assembly 2 can spray only one side of the workpiece and the other spray gun assembly 2 sprays the other side of the workpiece.
Referring to fig. 11, in a preferred embodiment, the powder chamber body 3 includes an outer frame 35 and a connecting plate (the connecting plate includes a first side wall 31 and a second side wall 32), the outer frame 35 includes a base 351, a top cover 352 and a plurality of connecting rods 353, the base 351 is integrally disposed, the top cover 352 is also integrally disposed, the plurality of connecting rods 353 are connected between the top cover 352 and the base 351, the connecting rods 353 and the top cover 352, and the connecting rods 353 are all fixedly connected by quick-release screws, and the integral arrangement enables the powder chamber body 3 to resist ground collapse, and a small amount of ground collapse does not affect the overall structure of the powder chamber body 3. The setting of rapid disassembly structure makes things convenient for this powder room body 3 installation dismantlement and maintenance. In the prior art, the outer frame 35 generally adopts a stand column combined structure, has poor body integrity, realizes an integral cage-shaped structure, and naturally has the functions of resisting earthquake and preventing settlement on the ground.
In a preferred embodiment, the powder chamber body 3 includes an outer frame 35 and a connecting plate (the connecting plate includes the first side wall 31 and the second side wall 32), the outer frame 35 includes a base 351, a top cover 352 and a plurality of connecting rods 353, the base 351, the top cover 352 and the plurality of connecting rods 353 are all made of conductive materials, and conductive paste is coated in connecting gaps between the connecting rods 353 and the base 351, between the connecting rods 353 and the top cover 352 and between the connecting rods 353 and the connecting rods 353, so that the conductivity of the outer frame 35 is better, and the outer frame 35 is grounded through a grounding wire. In the spraying process, the powder room body 3 can be full of to the anion, and after the powder room was electrified, the inside whole space electric field volume increase in spray room caused the voltage reduction of spray gun, and the electric current rose, and spray gun subassembly 2 can adjust the reduction of electric current always, and the voltage risees. The gun body heats up and may cause damage to the electrostatic high voltage line components. Meanwhile, as the same charges repel, the positive charges and the negative charges are the same pair and can be neutralized, the negative charges are firstly attracted by the positive charges of the workpieces, and the excessive negative charges can assimilate the neutralized workpieces. The surface of the sprayed workpiece is easy to have alternate layers of powder similar to sand dunes. The part with high accumulation has more powder, and the part with less accumulation has less powder. In the prior art, only the wire drainage mode can only partially release the room body effectively, and the whole drainage is realized through the room body cage structure and the conductive paste, and the whole powder room body 3 can both effectively release electric charges.
In the preferred embodiment, the powder chamber body 3 is further provided with a maintenance ladder 36 at the outside thereof, the rotating motor of the air valve 33 is arranged near the maintenance ladder 36, so that the air valve 33 is conveniently maintained, and the top of the powder chamber body 3 is provided with a protective guard 38 for protecting the personal safety of maintenance personnel.
Referring to fig. 10, in a preferred embodiment, the intelligent spraying system further includes an electrical cabinet 6, important electrical components are integrated in the electrical cabinet, an air outlet is formed in the electrical cabinet 6, the rotary power device 332 is a rotary cylinder, the rotary cylinder is communicated with the electrical cabinet 6, waste gas of the rotary cylinder is discharged into the electrical cabinet 6 and then discharged from the air outlet of the electrical cabinet 6, so that air pressure in the electrical cabinet 6 is greater than external atmospheric pressure, external dust is not easy to enter the electrical cabinet 6, an effect of effectively protecting the electrical components is achieved, and the service life of the electrical components is prolonged. The explosion-proof design of isolated formula of air current of regulator cubicle 6 realizes that regulator cubicle 6 and cable do not have the laying dust, solves recessive safety, reduces equipment failure rate by a wide margin.
In the preferred embodiment, the bending portions in the powder spraying chamber 30 are all chamfered, and the bending angle of the first sidewall 31 is greater than 120 °, and the bending angle of the second sidewall 32 is also greater than 120 °. The invention realizes full-streamline curved surface butt joint, has no dead angle crack and is easier to clean.
According to the invention, by changing the structures of the powder chamber body and the spray gun assembly, the workpiece has two sections of powder receiving distances in the powder chamber body, the powder receiving distance of the workpiece in the powder chamber body is lengthened, the spraying efficiency is higher, and because the first spray gun group and the second spray gun group are arranged in an included angle, the first spray gun group and the second spray gun group can be accommodated without too large an included angle between the first side wall and the second side wall, so that the air draft angle of the air draft device is reduced, the air draft effect is improved, and the powder escape is reduced.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only express specific embodiments of the invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. An intelligent spraying system is used for spraying workpieces and is characterized by comprising a detection device, a powder room body, a spray gun assembly, a transmission track and a controller, wherein a powder spraying cavity is arranged in the powder room body, the spray gun assembly is positioned in the powder spraying cavity, the spray gun assembly is movable in the powder spraying cavity, the transmission track penetrates through the space between the powder room body and the spray gun assembly, and the detection device is positioned at the upstream of the transmission track;
when the workpiece on the transmission rail passes through the detection device, the detection device acquires workpiece information;
the detection device transmits the workpiece information detected by the detection device to the controller;
the controller controls the spraying time and the spraying range of the spray gun assembly according to the workpiece information;
the powder chamber body comprises a first side wall and a second side wall, the first ends of the first side wall and the second side wall are close to each other, the second ends of the first side wall and the second side wall are far away from each other, and a powder spraying cavity is formed on the first side wall and the second side wall; the spray gun assembly comprises a first spray gun group and a second spray gun group, the first spray gun group and the second spray gun group are positioned in the powder spraying cavity, the first ends of the first spray gun group and the second spray gun group are close to each other, and the second ends of the first spray gun group and the second spray gun group are far away from each other; a first powder spraying area is formed between the first side wall and the first spray gun group, a second powder spraying area is formed between the second spray gun group and the second side wall, and the transmission rail penetrates through the first powder spraying area and the second powder spraying area;
the maximum included angle between the first side wall and the second side wall is 50-70 degrees; the included angle between the spraying direction of the first spray gun group and the transmission track in the first powder spraying area is 80-90 degrees; the included angle between the spraying direction of the second spraying gun group and the transmission track in the second powder spraying area is 80-90 degrees;
the workpiece information comprises height information of the workpiece and width information of the workpiece, and the spray gun assembly automatically adjusts the distance between the spray gun assembly and the workpiece and/or the stroke of the spray gun assembly in the vertical direction according to the workpiece information;
the powder spraying speed of the spray gun component at the upper end and the lower end of the workpiece is automatically adjusted, and the powder spraying speed of the spray gun component at the upper end and the lower end of the workpiece is 50% -70% of the powder spraying speed of the spray gun component at the middle position of the workpiece.
2. The intelligent spray system of claim 1, wherein the controller is connected to an external terminal, and production management software is installed on the terminal for remotely controlling the intelligent control system.
3. The intelligent spraying system of claim 1, wherein a plurality of air valves are arranged on the powder chamber body, the air valves are arranged at different heights, and when the spray gun assembly slides up and down, the air valve close to the spray gun assembly is opened, and the air valve far away from the spray gun assembly is closed.
4. The intelligent spraying system of claim 1, wherein a powder cleaning assembly is arranged on the inner wall of the powder chamber body, and the powder cleaning assembly cleans the inner wall of the powder chamber body once every preset time; and/or the presence of a gas in the gas,
a plurality of air knives are arranged on the outer side of the bottom wall of the powder room body, and the air knives clean the powder of the bottom wall of the powder room body once every preset time; and/or the presence of a gas in the gas,
the powder cleaning device is characterized in that a hanger powder cleaning assembly is further fixed on the inner wall of the powder room body, and the hanger powder cleaning assembly cleans powder passing through the hanger.
5. The intelligent spraying system of claim 1, wherein the powder chamber body is provided with an air valve, the air valve comprises an air deflector and a rotary power device, the rotary power device drives the air deflector to rotate, and the maximum angle of rotation of the air deflector is 20-40 °.
6. The intelligent spray system of claim 5, wherein the rotary power unit is coupled to the controller, the controller controlling the damper proximate to the spray gun assembly to open and the damper distal from the spray gun assembly to close.
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| CN105964435A (en) * | 2016-02-04 | 2016-09-28 | 佛山市安邦得机械设备有限公司 | Electrostatic powder vertical type spraying device |
| CN206104150U (en) * | 2016-07-27 | 2017-04-19 | 佛山市安邦得机械设备有限公司 | Vertical spraying equipment of static powder |
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| CN201792559U (en) * | 2010-08-27 | 2011-04-13 | 青岛黎马敦包装有限公司 | Powder spraying system of printer |
| CN103801488B (en) * | 2014-02-17 | 2017-02-01 | 中山市君禾机电设备有限公司 | Vertical circular spraying chamber applied to powder spray-coating line |
| CN204134800U (en) * | 2014-09-17 | 2015-02-04 | 中山市君禾机电设备有限公司 | A kind of vertical jetting room being applied to powder spray line |
| CN206168661U (en) * | 2016-10-26 | 2017-05-17 | 考迈托（佛山）挤压科技股份有限公司 | Compact spouts room |
| CN207786905U (en) * | 2017-09-22 | 2018-08-31 | 广州泽亨实业有限公司 | A kind of automatic spraying control system |
| CN207641752U (en) * | 2017-12-03 | 2018-07-24 | 珠海鲁班自动化设备有限公司 | A kind of intelligence is dusted control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105964435A (en) * | 2016-02-04 | 2016-09-28 | 佛山市安邦得机械设备有限公司 | Electrostatic powder vertical type spraying device |
| CN206104150U (en) * | 2016-07-27 | 2017-04-19 | 佛山市安邦得机械设备有限公司 | Vertical spraying equipment of static powder |
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Effective date of registration: 20220718 Address after: No.84 Dongyong section of Shinan highway, Dongyong Town, Nansha District, Guangzhou City, Guangdong Province Patentee after: GUANGZHOU ZEHENG INDUSTRIAL CO.,LTD. Address before: No.84 Dongyong section of Shinan highway, Dongyong Town, Nansha District, Guangzhou City, Guangdong Province Patentee before: Guangdong Zeheng Intelligent Technology Co.,Ltd. |
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Denomination of invention: An intelligent spraying system Granted publication date: 20220308 Pledgee: Guangdong Provincial Bank of Communications Co.,Ltd. Pledgor: GUANGZHOU ZEHENG INDUSTRIAL CO.,LTD. Registration number: Y2024980034501 |