CN112354742A - Spraying reciprocating mechanism with control system and spraying control method thereof - Google Patents

Spraying reciprocating mechanism with control system and spraying control method thereof Download PDF

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Publication number
CN112354742A
CN112354742A CN202011165732.8A CN202011165732A CN112354742A CN 112354742 A CN112354742 A CN 112354742A CN 202011165732 A CN202011165732 A CN 202011165732A CN 112354742 A CN112354742 A CN 112354742A
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CN
China
Prior art keywords
spraying
spray
paint
atomizer
control
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Pending
Application number
CN202011165732.8A
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Chinese (zh)
Inventor
应岞
吴纯超
姚杰高
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Kinlita Chemical Co ltd
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Shanghai Kinlita Chemical Co ltd
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Application filed by Shanghai Kinlita Chemical Co ltd filed Critical Shanghai Kinlita Chemical Co ltd
Priority to CN202011165732.8A priority Critical patent/CN112354742A/en
Publication of CN112354742A publication Critical patent/CN112354742A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00Machines 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
    • B05B13/02Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/04Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
    • B05B13/0405Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads
    • B05B13/041Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads with spray heads reciprocating along a straight line
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08Arrangements 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/16Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
    • B05B12/32Shielding elements, i.e. elements preventing overspray from reaching areas other than the object to be sprayed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/55Arrangements 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/08Plant for applying liquids or other fluent materials to objects

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  • Spray Control Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention discloses a spraying reciprocating mechanism with a control system, which is characterized by comprising a Y-axis movement mechanism for controlling the operation of a spray gun or an atomizer, an X-axis movement mechanism for controlling the transverse sliding of a spray plate of a workpiece to be sprayed and a Z-axis movement mechanism for controlling the spray plate to move close to or far away from the spray gun or the atomizer; the spray gun or the atomizer is connected with a paint supply system, and paint is supplied to the spray gun or the atomizer through the paint supply system; the device also comprises a control system for controlling other components and an explosion-proof system for isolating the electrified part through the positive pressure explosion-proof system, wherein a control unit for setting a spraying and cleaning program is arranged in the control system. The invention also discloses a spraying control method. The spraying reciprocating mechanism provided by the invention can realize multiple spraying modes, is more convenient and flexible to adjust, and achieves the technical effect of generating a plurality of spraying areas on one spraying plate for visual comparison.

Description

Spraying reciprocating mechanism with control system and spraying control method thereof
Technical Field
The invention relates to the field of coating application construction, in particular to a spraying reciprocating mechanism with a control system and a spraying control method thereof.
Background
The existing spraying reciprocating machine mainly aims at simple reciprocating spraying operation of a product with a determined formula, cannot adjust spraying parameters, spraying process modes and the like according to different requirements, lacks wide applicability and flexibility of spraying and cannot perform complex DOE (DOE) tests for paint construction in the automobile industry.
Disclosure of Invention
In order to overcome the above-mentioned defects in the prior art, an object of the present invention is to provide a spraying reciprocating mechanism with a control system, which can realize multiple spraying modes, is more convenient and flexible to adjust, and achieves the technical effect of generating multiple spraying areas on one spraying plate for visual comparison.
The invention also provides a spraying control method of the spraying reciprocating mechanism.
In order to realize one of the purposes of the invention, the adopted technical scheme is as follows:
a spraying reciprocating mechanism with a control system comprises a Y-axis movement mechanism for controlling the operation of a spray gun or an atomizer, wherein a spraying mode of spraying paint or the atomizer is selected by arranging a rotation shaft on the Y-axis movement mechanism;
the X-axis movement mechanism is used for controlling a spray plate of a workpiece to be sprayed to slide transversely and the Z-axis movement mechanism is used for controlling the spray plate to move close to or far away from the spray gun or the atomizer;
the Y-axis movement mechanism comprises a Y-axis movement guide rail arranged on a Y-axis guide rail support, a rotating shaft mounting support is slidably arranged on the Y-axis movement guide rail, the rotating shaft is arranged on the rotating shaft mounting support, the spray gun and the atomizer are arranged on the rotating shaft, and a spray mode of spray painting or the atomizer is selected through the rotating shaft;
the X-axis movement mechanism comprises an X-axis movement guide rail and an X-axis sliding seat which are arranged on an X-axis guide rail bracket, and the spray plate is fixed on the X-axis sliding seat and transversely slides on the X-axis movement guide rail along with the X-axis sliding seat;
the Z-axis movement mechanism comprises a spray plate connecting frame connected with the back of the spray plate, the spray plate connecting frame is slidably mounted on the Z-axis movement guide rail through a ball spline, and the ball spline drives the spray plate to move close to or far away from the spray gun or the atomizer along the Z-axis movement guide rail;
the spray gun or the atomizer is connected with a paint supply system, and paint is supplied to the spray gun or the atomizer through the paint supply system;
the device also comprises a control system for controlling other components and an explosion-proof system for isolating the electrified part through the positive pressure explosion-proof system, wherein the control system comprises a control unit for controlling spraying through the control unit;
the control unit comprises a spraying program setting module for starting a display screen to display a program setting interface, and generates a spraying program according to spraying control information received by the program setting interface;
the spraying program comprises a plurality of groups of spraying control information, and the single group of spraying control information comprises a spraying formula, spraying parameters and a spraying mode;
the spraying mode switching module is used for switching and selecting a spraying program;
the paint spraying module is used for correspondingly controlling other components of the spraying reciprocating mechanism according to the selected spraying program;
and the equipment cleaning module is used for cleaning and controlling the spraying equipment.
In a preferred embodiment of the invention, the spray formulation includes a paint can number and corresponding volume;
the spraying modes comprise horizontal spraying, vertical spraying and triangular motion spraying;
the spraying parameters comprise atomizer spray gun selection, jumping degree, working range, spraying distance, rotating cup rotating speed, forming air, electrostatic high voltage, paint flow and continuous spraying selection.
In a preferred embodiment of the present invention, the control unit further includes a spraying mode selection module for selecting a spraying mode according to the spraying control information received by the program setting interface, where the spraying mode includes a fixed spraying cycle mode and a single spraying mode;
the fixed spraying circulation mode is used for defining a complete spraying action once and setting n spraying actions, each spraying action is completed according to a group of spraying control information, and n is more than or equal to 2;
the single spraying mode is used for defining a complete spraying action for one time and setting 1 spraying action, and the spraying action is finished according to a group of spraying control information;
the plane presetting and selecting module is used for setting an area executed by each spraying action according to the spraying mode determined by the spraying mode selecting module; the initial positions of the X-axis movement mechanism and the Y-axis movement mechanism are controlled through a plane presetting and selecting module.
In a preferred embodiment of the present invention, the paint spraying module comprises:
the atomizer spray gun selection submodule is used for selecting an atomizer or a spray gun according to the spraying control information;
the Y-axis motion mechanism, the X-axis motion mechanism and the Z-axis motion mechanism are driven to move according to the track of the spraying mode according to the spraying control information;
the jump lattice degree control submodule is used for calculating jump lattice degrees of spraying parameters including spraying distance, rotating speed of a rotary cup, forming air, static high voltage and paint flow in a working range according to the spraying control information;
wherein, if the initial value of the spraying parameter is A1, the final value is AN +1, the jumping frequency is N, and the jumping degree of the parameter is A,
spraying times are N + 1;
n ═ 2 spraying distance working range/(initial spraying distance + final spraying distance) ];
A=(AN+1-A1)/N;
the spraying parameter control submodule is used for calculating spraying parameters, and the spraying parameters comprise spraying distance, rotating speed of a rotary cup, forming air, electrostatic high voltage and paint flow;
adjusting the spraying parameters to the current spraying parameter value before each spraying so as to control the atomizer or the spray gun to spray according to the spraying parameter value; the parameter value Ax of the xth spray is a1+ a (x-1), and 1< x < N + 1.
In a preferred embodiment of the present invention,
and the control unit is also used for driving the driving module of the three-axis movement mechanism to move in a corresponding area according to the track of the corresponding spraying mode according to the area set by the plane presetting/selecting module.
In a preferred embodiment of the present invention, the skip-lattice-degree control sub-module is further configured to perform skip-lattice-degree calculation on the X-axis speed and the Y-axis speed within a working range according to the spraying control information;
in a preferred embodiment of the present invention, the control unit further includes:
the equipment cleaning module is used for controlling the paint supply system to pump a cleaning solvent to the pipeline after the paint supply system finishes spraying; the equipment cleaning module comprises:
the cleaning formula is selected and called according to the cleaning control instruction; the equipment cleaning module drives the touch screen to display a cleaning program setting interface, and the cleaning formula selection submodule selects and calls a cleaning formula according to a cleaning control instruction received by the cleaning program setting interface;
the common parameter setting submodule is used for setting parameters including cleaning steps, gear pump speed, molding air and air according to the cleaning control instruction;
the air parameters are air parameters required by the operation of the rotary cup and the spray gun, and comprise motor air, atomizing air and spray amplitude air;
the valve control submodule is used for selecting the valves to be controlled and the opening or closing sequence and execution time of each selected valve according to the public parameters set by the public parameter setting submodule;
and the cleaning control submodule is used for driving the paint supply system to pump a cleaning solvent to a pipeline according to a cleaning formula selected by the formula selection submodule or a common parameter set by the common parameter setting submodule or a valve selected by the valve control submodule and the execution time of the valve, and cleaning an equipment pipeline.
In a preferred embodiment of the invention, a fiber head for monitoring the current rotating speed of the rotary cup is arranged in the atomizer;
the optical fiber head is connected with the control unit; and adjusting the opening of the proportional valve by a spraying parameter control submodule of the control unit according to the difference value of the current rotating speed of the rotary cup and the rotating speed of the rotary cup sprayed next time so as to change the air flow entering the rotary cup pneumatic motor and change the current rotating speed of the rotary cup until the current rotating speed of the rotary cup reaches the rotating speed of the rotary cup sprayed next time.
In a preferred embodiment of the invention, the paint supply system is provided with a gear pump, when the paint flow is adjusted;
and the spraying parameter control submodule is also used for adjusting the gear pump according to the difference value of the current flow and the next flow so as to change the paint flow, so that the current paint flow is changed until the next sprayed paint flow is reached.
In order to realize the second purpose of the invention, the adopted technical scheme is as follows:
a spraying control method of a spraying reciprocating mechanism with a control system comprises the following steps:
starting a display screen to display a program setting interface through a spraying program setting module, and then carrying out spraying setting;
generating a spraying program according to the spraying control information received by a display program setting interface of a display screen; the spraying mode of the spraying program is switched according to actual needs through a spraying mode switching module;
the paint spraying module is used for controlling the spraying of the Y-axis movement mechanism, the X-axis movement mechanism, the Z-axis movement mechanism and the atomizer or the spray gun;
and cleaning the spraying equipment through the equipment cleaning module after the spraying is finished.
The invention has the beneficial effects that:
the spraying reciprocating mechanism provided by the invention can realize multiple spraying modes, is more convenient and flexible to adjust, and achieves the technical effect of generating a plurality of spraying areas on one spraying plate for visual comparison.
Drawings
Fig. 1 is a schematic structural view (perspective view) of the present invention.
Fig. 2 is a schematic structural view (side view) of the present invention.
Fig. 3 is a schematic view of the paint supply system of the present invention.
Fig. 4 is a schematic structural diagram of the explosion-proof system of the present invention.
Fig. 5 is a schematic structural diagram of the Y-axis motion mechanism of the present invention.
Fig. 6 is a schematic structural diagram of the X-axis movement mechanism of the present invention.
Fig. 7 is a schematic structural diagram of a control unit according to the present invention.
Fig. 8 is a first schematic diagram of a control unit function module according to the present invention.
FIG. 9 is a functional schematic of the paint spray module of the present invention.
FIG. 10 is a schematic diagram of the calculation of jump lattice and parameter values of spray parameters according to the working range of spray distances.
Fig. 11 is a functional block diagram of a control unit according to a second embodiment of the present invention.
Fig. 12 is a schematic view of setting a spray area.
Fig. 13 is a schematic diagram of five spray traces in a single spray mode.
Fig. 14 is a schematic view of five kinds of spray traces formed according to different spray area settings when 5 spray actions are preset in the fixed spray cycle pattern.
Fig. 15 is a schematic structural diagram of the positive pressure explosion-proof system of the invention.
Detailed Description
The spray coating shuttle 100, as shown in fig. 1-6, includes a Y-axis motion mechanism 130 for controlling the operation of the spray gun 110 or the atomizer 120.
With particular reference to fig. 5, the Y-axis moving mechanism 130 includes a Y-axis moving guide 132 mounted on a Y-axis guide bracket 131, a rotating shaft mounting bracket 133 slidably mounted on the Y-axis moving guide 132, a rotating shaft 134 mounted on the rotating shaft mounting bracket 133, and the spray gun 110 or the atomizer 120 mounted on the rotating shaft 134, wherein the spraying mode of the spray gun 110 or the atomizer 120 is selected by the rotating shaft 134.
The rotating shaft 134 is further provided with a conversion tower 135 connected with the atomizer 120, and under the working mode of the atomizer 120 realized by the rotation of the conversion tower 135, the paint is charged in two different charging modes, namely, external high-voltage electricity is applied to the sprayed paint mist or internal high-voltage electricity is applied to the paint before spraying.
With particular reference to fig. 6, the X-axis moving mechanism 140 is used to control the transverse sliding of the spray plate 150, the X-axis moving mechanism 140 includes an X-axis moving guide 142 mounted on the X-axis guide bracket 141 and an X-axis slide 143, the spray plate 150 is fixed on the X-axis slide 143, and the spray plate starts spraying as the X-axis slide 143 slides transversely on the X-axis moving guide 142 to a desired position.
The Z-axis moving mechanism 160 is used for controlling the nozzle plate 150 to move close to or away from the spray gun 110 or the atomizer 120, and includes a nozzle plate connecting frame 161 connected to the back of the nozzle plate 150, the nozzle plate connecting frame 161 is slidably mounted on a Z-axis moving guide rail 163 through a ball spline 162, and the ball spline 162 drives the nozzle plate 150 to move close to or away from the spray gun 110 or the atomizer 120 along the Z-axis moving guide rail 163.
The nozzle plate 150 is provided with a plurality of magnets (not shown). A workpiece (not shown) to be painted is attracted to the spray plate 150 by a magnet.
With particular emphasis on FIG. 3, the spray gun 110 or the atomizer 120 is connected to a paint supply system 170, and the spray gun 110 or the atomizer 120 is supplied with paint by the paint supply system 170.
The paint supply system 170 includes a paint tank 172 and a solvent tank 173 controlled by a pump 171 (which may be a gear pump or a plunger pump, etc.), and paint in the paint tank 172 is selectively sent to the spray gun 110 or the atomizer 120 for spraying, and after the spraying is completed, the pump 171 switches to a cleaning channel to pump cleaning solvent in the solvent tank 173 into the pipeline to clean the pipeline of the spray gun 110 or the atomizer 120.
In addition, a dust cover 200 is arranged on the Y-axis movement mechanism 130, the X-axis movement mechanism 140 or the Z-axis movement mechanism 160, so that the guide rail is prevented from being corroded by splashing of water vapor and paint, the guide rail is protected, and the service life is prolonged.
The paint supply system 170 can realize quick paint color replacement and cleaning; and after each round of paint spraying is finished, the pipeline through which the paint passes is conveniently and quickly cleaned.
The solvent tank 173 is preferably a pressure tank welded from 304 stainless steel, and has high safety, and the internal pressure of the paint tank 172 and the solvent tank 173 is generally not higher than 3 bar.
Also included are a control system 180 for controlling the other components and an explosion protection system 190 for isolating live parts by a positive pressure explosion protection system 195.
The paint supply system explosion-proof system 190 comprises an explosion-proof cabinet 191, charged elements including a motor 192, a circuit element 193 and a circuit element 194 are installed in the explosion-proof cabinet 191, and charged parts are isolated through a positive pressure explosion-proof system 195 in the explosion-proof cabinet 191 to prevent paint from contacting with the charged elements to generate explosion.
Referring to fig. 15, the positive pressure explosion-proof system 195 includes a plurality of positive pressure explosion-proof control units 195a, a pressure sensor 195b and an explosion-proof pressure relief valve 195c, and the pressure sensor monitors the pressure value and provides the pressure value to the positive pressure explosion-proof control unit for explosion-proof control.
The control system 180 comprises a control cabinet equipped with an interaction device 181 and a control switch 182, the interaction device 181 being connected to a control unit 310 of the control system 300.
The control system 300 includes a control unit 310, and a touch screen 320, a keyboard 330 and a control switch 340 respectively connected to the control unit 310.
The control unit 310 is respectively connected with the X-axis motion mechanism 140, the Z-axis motion mechanism 160, the Y-axis motion mechanism 130 and the paint supply system 170;
the control unit 310 includes:
the spraying program setting module 311 is used for starting a display program setting interface of the display screen and generating a spraying program according to the spraying control information received by the program setting interface;
the spraying program comprises a plurality of groups of spraying control information, and the single group of spraying control information comprises a spraying formula, spraying parameters and a spraying mode;
the spraying formula comprises a paint can number and a corresponding volume; the spraying mode comprises horizontal spraying, vertical spraying and triangular motion spraying; the spray parameters include atomizer spray gun selection, jump granularity, working range, spray distance, rotating cup speed, shaping air, electrostatic high voltage, paint flow, and continuous spray selection.
A spraying mode switching module 312 for switching and selecting a spraying program;
the paint spraying module 313 is used for correspondingly controlling other components of the spraying reciprocating mechanism according to the selected spraying program; and an equipment cleaning module 314 for performing cleaning control on the spray equipment.
With particular reference to fig. 11, the control unit 310 further includes a spraying mode selection module 315 for selecting a spraying mode according to the spraying control information received by the program setting interface, and a plane presetting and selection module 316, where the spraying modes include a fixed spraying cycle mode and a single spraying mode;
the fixed spraying circulation mode is used for defining a complete spraying action once and setting n spraying actions, each spraying action is completed according to a group of spraying control information, and n is more than or equal to 2;
the single spraying mode is used for defining one complete spraying action and setting 1 spraying action, and the spraying action is finished according to a group of spraying control information;
the plane presetting and selecting module is used for setting an area executed by each spraying action according to the spraying mode determined by the spraying mode selecting module; the initial positions of the X-axis movement mechanism and the Y-axis movement mechanism are controlled through a plane presetting and selecting module.
The plane presetting and selecting module 316 is used for driving the X-axis moving mechanism 140, the Z-axis moving mechanism 160 and the Y-axis moving mechanism 130 to move at corresponding positions.
More specifically the paint spraying module 313 includes an atomizer spray gun selection submodule 313a for selecting an atomizer or spray gun based on the spray control information;
the track motion 313b is used for driving the Y-axis motion mechanism, the X-axis motion mechanism and the Z-axis motion mechanism to move according to the spraying mode according to the spraying control information;
the jump lattice degree control submodule 313c is used for calculating jump lattice degrees of spraying parameters including spraying distance, revolving cup rotating speed, forming air, static high voltage and paint flow in a working range according to the spraying control information;
wherein, if the initial value of the spraying parameter is A1, the final value is AN +1, the jumping frequency is N, and the jumping degree of the parameter is A,
spraying times are N + 1;
n ═ 2 spraying distance working range/(initial spraying distance + final spraying distance) ];
A=(AN+1-A1)/N;
the spraying parameter control submodule 313d is used for calculating spraying parameters, and the spraying parameters comprise spraying distance, rotating speed of a rotary cup, forming air, electrostatic high voltage and paint flow;
adjusting the spraying parameters to the current spraying parameter value before each spraying so as to control an atomizer or a spray gun to spray according to the spraying parameter value; the parameter value Ax of the xth spray is a1+ a (x-1), and 1< x < N + 1.
The jumping grid degree control submodule 313c is also used for calculating the jumping grid degree of the X-axis speed and the Y-axis speed in a working range according to the spraying control information;
the equipment cleaning module 314 is configured to select and call a cleaning recipe according to the cleaning control instruction, and the equipment cleaning module 314 includes:
a formula selection submodule (not shown in the figure) for driving the touch screen to display a cleaning program setting interface and selecting and calling a cleaning formula according to a cleaning control instruction received by the cleaning program setting interface;
a common parameter setting submodule for setting parameters including the number of cleaning steps, the gear pump speed, the molding air, and the air according to the cleaning control command is not shown in the figure);
wherein the air parameters are air parameters required by the operation of the rotary cup and the spray gun, and comprise motor air, atomizing air and spray amplitude air;
the valve control submodule for selecting the valves to be controlled according to the common parameters set by the common parameter setting submodule, and the opening or closing sequence and execution time of each selected valve is not shown in the figure);
a valve selected by the common parameter setting submodule or the valve control submodule and used for driving the paint supply system to pump the cleaning solvent to the pipeline according to the cleaning formula selected by the formula selection submodule or the common parameter set by the common parameter setting submodule or the execution time of the valve selected by the valve control submodule, and the cleaning control submodule for cleaning the equipment pipeline is not shown in the figure).
A fiber head 120a for monitoring the current rotating speed of the rotary cup is arranged in the atomizer 120; the fiber head 120a is connected with the control unit 310;
when the rotating speed of the rotary cup is adjusted, the spraying parameter control submodule 313d is further configured to adjust the opening of the proportional valve according to a difference between the current rotating speed of the rotary cup and the rotating speed of the rotary cup to be sprayed next time, so as to change the airflow entering the rotary cup pneumatic motor, and change the current rotating speed of the rotary cup until the current rotating speed of the rotary cup reaches the rotating speed of the rotary cup to be sprayed next time.
The spraying parameter control submodule 313d is further configured to adjust the gear pump according to a difference between the current flow rate and the next flow rate to change the paint flow rate, so that the current paint flow rate is changed until the next paint flow rate is reached.
Because of having the above-mentioned structure, the work flow of the invention lies in:
a spraying control method of a spraying reciprocating mechanism with a control system comprises the following steps:
starting a display screen to display a program setting interface through a spraying program setting module, and then carrying out spraying setting;
generating a spraying program according to the spraying control information received by a display program setting interface of a display screen; the spraying mode of the spraying program is switched according to actual needs through a spraying mode switching module;
the paint spraying module is used for controlling the spraying of the Y-axis movement mechanism, the X-axis movement mechanism, the Z-axis movement mechanism and the atomizer or the spray gun;
and cleaning the spraying equipment through the equipment cleaning module after the spraying is finished.
According to the invention, the spraying parameters and the spraying motion mode are set through the control device, the spraying parameters are adjusted by setting the jumping degree, and the three-axis motion mechanism is driven to generate displacement according to the spraying parameters and the spraying motion mode, so that the paint sprayed on the spraying back plate generates corresponding tracks, multiple spraying modes are realized, the spraying parameters are flexibly and conveniently adjusted, and the technical effect of generating multiple spraying areas on one spraying plate for visual comparison is achieved.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute some steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.

Claims (10)

1. A spraying reciprocating mechanism with a control system is characterized by comprising a Y-axis movement mechanism for controlling the operation of a spray gun or an atomizer, wherein the Y-axis movement mechanism is provided with a rotation shaft to select a spraying mode of spraying paint or the atomizer;
the X-axis movement mechanism is used for controlling a spray plate of a workpiece to be sprayed to slide transversely and the Z-axis movement mechanism is used for controlling the spray plate to move close to or far away from the spray gun or the atomizer;
the Y-axis movement mechanism comprises a Y-axis movement guide rail arranged on a Y-axis guide rail support, a rotating shaft mounting support is slidably arranged on the Y-axis movement guide rail, the rotating shaft is arranged on the rotating shaft mounting support, the spray gun and the atomizer are arranged on the rotating shaft, and a spray mode of spray painting or the atomizer is selected through the rotating shaft;
the X-axis movement mechanism comprises an X-axis movement guide rail and an X-axis sliding seat which are arranged on an X-axis guide rail bracket, and the spray plate is fixed on the X-axis sliding seat and transversely slides on the X-axis movement guide rail along with the X-axis sliding seat;
the Z-axis movement mechanism comprises a spray plate connecting frame connected with the back of the spray plate, the spray plate connecting frame is slidably mounted on the Z-axis movement guide rail through a ball spline, and the ball spline drives the spray plate to move close to or far away from the spray gun or the atomizer along the Z-axis movement guide rail;
the spray gun or the atomizer is connected with a paint supply system, and paint is supplied to the spray gun or the atomizer through the paint supply system;
the device also comprises a control system for controlling other components and an explosion-proof system for isolating the electrified part through the positive pressure explosion-proof system, wherein the control system comprises a control unit for controlling spraying through the control unit;
the control unit comprises a spraying program setting module for starting a display screen to display a program setting interface, and generates a spraying program according to spraying control information received by the program setting interface;
the spraying program comprises a plurality of groups of spraying control information, and the single group of spraying control information comprises a spraying formula, spraying parameters and a spraying mode;
the spraying mode switching module is used for switching and selecting a spraying program;
the paint spraying module is used for correspondingly controlling other components of the spraying reciprocating mechanism according to the selected spraying program;
and the equipment cleaning module is used for cleaning and controlling the spraying equipment.
2. The spray coating shuttle mechanism with control system of claim 1 wherein said spray coating formulation includes a paint can number and corresponding volume;
the spraying modes comprise horizontal spraying, vertical spraying and triangular motion spraying;
the spraying parameters comprise atomizer spray gun selection, jumping degree, working range, spraying distance, rotating cup rotating speed, forming air, electrostatic high voltage, paint flow and continuous spraying selection.
3. The spray coating reciprocating mechanism with the control system as claimed in claim 1, wherein the control unit further comprises a spray coating mode selection module for selecting a spray coating mode according to the spray coating control information received by the program setting interface, wherein the spray coating mode comprises a fixed spray coating cycle mode and a single spray coating mode;
the fixed spraying circulation mode is used for defining a complete spraying action once and setting n spraying actions, each spraying action is completed according to a group of spraying control information, and n is more than or equal to 2;
the single spraying mode is used for defining a complete spraying action for one time and setting 1 spraying action, and the spraying action is finished according to a group of spraying control information;
the plane presetting and selecting module is used for setting an area executed by each spraying action according to the spraying mode determined by the spraying mode selecting module; the initial positions of the X-axis movement mechanism and the Y-axis movement mechanism are controlled through a plane presetting and selecting module.
4. A spray coating shuttle with a control system as claimed in claim 1 wherein said paint spray module comprises:
the atomizer spray gun selection submodule is used for selecting an atomizer or a spray gun according to the spraying control information;
the module is used for selecting the gear pump of the paint supply system according to the spraying control information;
the Y-axis motion mechanism, the X-axis motion mechanism and the Z-axis motion mechanism are driven to move according to the track of the spraying mode according to the spraying control information;
the jump lattice degree control submodule is used for calculating jump lattice degrees of spraying parameters including spraying distance, rotating speed of a rotary cup, forming air, static high voltage and paint flow in a working range according to the spraying control information;
wherein, if the initial value of the spraying parameter is A1, the final value is AN +1, the jumping frequency is N, and the jumping degree of the parameter is A,
spraying times are N + 1;
n ═ 2 spraying distance working range/(initial spraying distance + final spraying distance) ];
A=(AN+1-A1)/N;
the spraying parameter control submodule is used for calculating spraying parameters, and the spraying parameters comprise spraying distance, rotating speed of a rotary cup, forming air, electrostatic high voltage and paint flow;
adjusting the spraying parameters to the current spraying parameter value before each spraying so as to control the atomizer or the spray gun to spray according to the spraying parameter value; the parameter value Ax of the xth spray is a1+ a (x-1), and 1< x < N + 1.
5. The spray coating shuttle mechanism with control system of claim 1 wherein,
and the spraying method control submodule is also used for driving the driving module of the three-axis movement mechanism to move in a corresponding area according to the area set by the plane presetting and selecting module and the track of the corresponding spraying mode.
6. The spray reciprocating mechanism with the control system as claimed in claim 1, wherein the skip grid degree control submodule is further used for carrying out skip grid degree calculation on the X-axis speed and the Y-axis speed in a working range according to the spray control information.
7. The spray coating shuttle mechanism with control system of claim 1 wherein said equipment cleaning module comprises:
a formula selection submodule for receiving a cleaning control instruction to select and call a cleaning formula;
a common parameter setting submodule for setting parameters including cleaning steps, gear pump speed, molding air and air according to the cleaning control instruction;
the air parameters are air parameters required by the operation of the rotary cup and the spray gun, and comprise suspension air, motor air, atomizing air and spray amplitude air;
the valve control submodule selects the valves to be controlled and the opening or closing sequence and execution time of each selected valve according to the public parameters set by the public parameter setting submodule;
and the cleaning control submodule is used for driving the paint supply system to pump a cleaning solvent to a pipeline according to the cleaning formula selected by the formula selection submodule, the public parameter set by the public parameter setting submodule or the valve selected by the valve control submodule and the execution time of the valve to clean the equipment pipeline.
8. The spraying reciprocating mechanism with the control system as claimed in claim 1, wherein the rotating shaft is further provided with a conversion tower connected with the atomizer, and under the working mode of the atomizer, two different charging modes of paint are realized by the rotation of the conversion tower, and external high voltage electricity is applied to sprayed paint mist or internal high voltage electricity is applied to paint before spraying;
an optical fiber head for monitoring the current rotating speed of the rotary cup is arranged in the atomizer;
the optical fiber head is connected with the control unit;
and adjusting the opening of the proportional valve by a spraying parameter control submodule of the control unit according to the difference value of the current rotating speed of the rotary cup and the rotating speed of the rotary cup sprayed next time so as to change the air flow entering the rotary cup pneumatic motor and change the current rotating speed of the rotary cup until the current rotating speed of the rotary cup reaches the rotating speed of the rotary cup sprayed next time.
9. The spray coating shuttle mechanism with control system of claim 1 wherein said paint supply system is provided with a gear pump to regulate paint flow;
and adjusting the gear pump according to the difference value of the current flow and the next flow through the spraying parameter control submodule to change the paint flow, so that the current paint flow is changed until the next sprayed paint flow is reached.
10. A method of controlling spraying of a spray coating shuttle with a control system as claimed in any one of claims 1 to 9, comprising the steps of:
starting a display screen to display a program setting interface through a spraying program setting module, and then carrying out spraying setting;
generating a spraying program according to the spraying control information received by a display program setting interface of a display screen;
the spraying mode of the spraying program is switched according to actual needs through a spraying mode switching module;
the paint spraying module is used for controlling the spraying of the Y-axis movement mechanism, the X-axis movement mechanism, the Z-axis movement mechanism and the atomizer or the spray gun;
and cleaning the spraying equipment through the equipment cleaning module after the spraying is finished.
CN202011165732.8A 2020-10-27 2020-10-27 Spraying reciprocating mechanism with control system and spraying control method thereof Pending CN112354742A (en)

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