CN106824600A - A kind of spraying equipment - Google Patents
A kind of spraying equipment Download PDFInfo
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- CN106824600A CN106824600A CN201710213172.0A CN201710213172A CN106824600A CN 106824600 A CN106824600 A CN 106824600A CN 201710213172 A CN201710213172 A CN 201710213172A CN 106824600 A CN106824600 A CN 106824600A
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- 238000005507 spraying Methods 0.000 title claims abstract description 56
- 239000003973 paint Substances 0.000 claims abstract description 38
- 239000007921 spray Substances 0.000 claims abstract description 30
- 239000011248 coating agent Substances 0.000 claims 5
- 238000000576 coating method Methods 0.000 claims 5
- 238000007599 discharging Methods 0.000 claims 4
- 230000005611 electricity Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 6
- 238000004880 explosion Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
- B05B9/0409—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material the pumps being driven by a hydraulic or a pneumatic fluid
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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
- B05B12/085—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 flow or pressure of liquid or other fluent material to be discharged
- B05B12/087—Flow or presssure regulators, i.e. non-electric unitary devices comprising a sensing element, e.g. a piston or a membrane, and a controlling element, e.g. a valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
本发明公开了一种喷涂设备，包括用于盛放涂料并密闭的涂料箱和用于喷洒涂料的喷枪，还包括密闭的压力箱和变量气泵，涂料箱上设置有气泵接口和供料口，压力箱上设置有进料口和出料口，变量气泵连通气泵接口，进料口连通供料口，出料口连通喷枪，变量气泵能够驱动涂料进入压力箱3并通过喷枪2喷出，还包括控制器和设置于压力箱内的压力传感器，控制器能够根据压力传感器检测到的压力控制变量气泵的启停和转速。控制器根据实时压力控制变量气泵的启停和转速，实现对喷涂设备的喷涂流量进行实时在线调节，响应速度较快，同时由于实时检测压力，保证工作压力稳定，使喷涂更加均匀。实现气液控制分离，防止爆炸，提高安全性。
The invention discloses a spraying equipment, which comprises a closed paint box for containing paint, a spray gun for spraying paint, and a closed pressure box and a variable air pump. The paint box is provided with an air pump interface and a material supply port. The pressure box is provided with a material inlet and a material outlet. The variable air pump is connected to the air pump interface, the material inlet is connected to the material supply port, and the material outlet is connected to the spray gun. The variable air pump can drive the paint into the pressure box 3 and spray it out through the spray gun 2. It includes a controller and a pressure sensor arranged in the pressure box, and the controller can control the start, stop and speed of the variable air pump according to the pressure detected by the pressure sensor. The controller controls the start and stop and speed of the variable air pump according to the real-time pressure to realize real-time online adjustment of the spraying flow rate of the spraying equipment, and the response speed is fast. At the same time, due to the real-time pressure detection, the working pressure is guaranteed to be stable and the spraying is more uniform. Realize the controlled separation of gas and liquid, prevent explosion and improve safety.
Description
技术领域technical field
本发明涉及喷涂领域，特别是涉及一种喷涂设备。The invention relates to the field of spraying, in particular to a spraying equipment.
背景技术Background technique
喷涂设备广泛应用于陶瓷、汽车等产品的生产过程中。由于喷涂工艺的要求，待喷涂产品每个部位的喷涂厚度要求不一，例如车身侧面和前面喷涂厚度比车顶要大。同时喷涂要求局部喷涂均匀，这就使喷涂设备需要具有流量可调且稳压的能力。Spraying equipment is widely used in the production process of ceramics, automobiles and other products. Due to the requirements of the spraying process, the spraying thickness requirements of each part of the product to be sprayed are different. For example, the spraying thickness of the side and front of the car body is greater than that of the roof. At the same time, spraying requires uniform spraying locally, which requires the spraying equipment to have the ability to adjust the flow rate and stabilize the pressure.
目前大多数设备均是采用手动调节流量，即在喷涂之前手动调节阀门的大小从而控制流量的大小，再给空压机设定一个最大压力值，当它达到预设压力值时停止工作，而压力下降时又开始工作。At present, most equipment adopts manual flow adjustment, that is, manually adjusts the size of the valve before spraying to control the flow, and then sets a maximum pressure value for the air compressor, and stops working when it reaches the preset pressure value. Start working again when the pressure drops.
但是，手动调节的方式无法实现喷涂时在线调节流量，从而导致喷涂的不连续性。同时空压机调节压力具有滞后性，无法快速响应。However, the manual adjustment method cannot realize online adjustment of the flow rate during spraying, resulting in discontinuity of spraying. At the same time, the air compressor adjusts the pressure with hysteresis and cannot respond quickly.
因此，如何提供一种能够实时在线调节喷涂流量并快速响应的喷涂设备是本领域技术人员目前需要解决的技术问题。Therefore, how to provide a spraying equipment that can adjust the spraying flow online in real time and respond quickly is a technical problem that those skilled in the art need to solve.
发明内容Contents of the invention
本发明的目的是提供一种喷涂设备，能够实时在线调节喷涂流量并快速响应。The purpose of the present invention is to provide a spraying equipment, which can adjust the spraying flow online in real time and respond quickly.
为解决上述技术问题，本发明提供一种喷涂设备，包括用于盛放涂料并密闭的涂料箱和用于喷洒涂料的喷枪，还包括密闭的压力箱和变量气泵，所述涂料箱上设置有气泵接口和供料口，所述压力箱上设置有进料口和出料口，所述变量气泵连通所述气泵接口，所述进料口连通所述供料口，所述出料口连通所述喷枪，所述变量气泵能够驱动涂料进入所述压力箱并通过所述喷枪喷出，还包括控制器和设置于所述压力箱内的压力传感器，所述控制器能够根据所述压力传感器检测到的压力控制所述变量气泵的启停和转速。In order to solve the above-mentioned technical problems, the present invention provides a spraying equipment, which includes a closed paint box for containing paint and a spray gun for spraying paint, and also includes a closed pressure tank and a variable air pump. The paint box is provided with An air pump interface and a material supply port, the pressure box is provided with a material inlet and a material outlet, the variable air pump is connected to the air pump interface, the material inlet is connected to the material supply port, and the material outlet is connected to The spray gun, the variable air pump can drive paint into the pressure tank and spray out through the spray gun, and also includes a controller and a pressure sensor arranged in the pressure tank, and the controller can The detected pressure controls the start, stop and speed of the variable air pump.
优选地，所述出料口和所述喷枪通过先导式顺序阀连通，所述先导式顺序阀的溢流口连通所述涂料箱。Preferably, the discharge port communicates with the spray gun through a pilot sequence valve, and the overflow port of the pilot sequence valve communicates with the paint tank.
优选地，所述压力箱上还设置有第一气罐接口和第二气罐接口，所述第一气罐接口和所述第二气罐接口通过控制阀连通储气罐，所述控制器能够通过所述控制阀控制所述压力箱和所述储气罐的连通状态。Preferably, the pressure box is also provided with a first gas tank interface and a second gas tank interface, the first gas tank interface and the second gas tank interface communicate with the gas storage tank through a control valve, and the controller The communication state of the pressure tank and the gas storage tank can be controlled by the control valve.
优选地，所述控制阀具体为二位三通电磁换向阀，所述二位三通电磁换向阀的进气口连通所述储气罐，所述二位三通电磁换向阀的第一工作口通过第一单向节流阀连通所述第一气罐接口，所述二位三通电磁换向阀的第二工作口通过第二单向节流阀连通所述第二气罐接口；Preferably, the control valve is specifically a two-position three-way electromagnetic reversing valve, the air inlet of the two-position three-way electromagnetic reversing valve is connected to the gas storage tank, and the air inlet of the two-position three-way electromagnetic reversing valve The first working port is connected to the first gas tank interface through the first one-way throttle valve, and the second working port of the two-position three-way electromagnetic reversing valve is connected to the second gas tank port through the second one-way throttle valve. tank interface;
所述二位三通电磁换向阀处于第一工作位时，所述进气口连通所述第一工作口，所述二位三通电磁换向阀处于第二工作位时，所述进气口连通所述第二工作口，且加速状态下所述控制器控制所述二位三通电磁换向阀处于所述第一工作位，减速状态下所述控制器控制所述二位三通电磁换向阀处于所述第二工作位；When the two-position three-way electromagnetic reversing valve is in the first working position, the air inlet is connected to the first working port; when the two-position three-way electromagnetic reversing valve is in the second working position, the inlet The air port is connected to the second working port, and the controller controls the two-position three-way electromagnetic reversing valve to be in the first working position in the acceleration state, and the controller controls the two-position three-way electromagnetic reversing valve in the deceleration state. The electromagnetic reversing valve is in the second working position;
所述第一单向节流阀能够在安全压力下防止气体流进所述储气罐，所述第二单向节流阀能够在安全压力下防止气体流出所述储气罐。The first one-way throttle valve can prevent gas from flowing into the gas storage tank under safe pressure, and the second one-way throttle valve can prevent gas from flowing out of the gas storage tank under safe pressure.
优选地，所述控制阀具体为电磁截止阀。Preferably, the control valve is specifically an electromagnetic cut-off valve.
优选地，所述出料口设置于所述压力箱底部，所述进料口设置于所述压力箱中部，所述第一气罐接口和所述第二气罐接口设置于所述压力箱顶部。Preferably, the discharge port is set at the bottom of the pressure box, the feed port is set at the middle of the pressure box, and the first gas tank interface and the second gas tank interface are set at the pressure box top.
本发明提供的喷涂设备，包括用于盛放涂料并密闭的涂料箱和用于喷洒涂料的喷枪，还包括密闭的压力箱和变量气泵，涂料箱上设置有气泵接口和供料口，压力箱上设置有进料口和出料口，变量气泵连通气泵接口，进料口连通供料口，出料口连通喷枪，变量气泵能够驱动涂料进入压力箱并通过所述喷枪喷出，还包括控制器和设置于压力箱内的压力传感器，控制器能够根据压力传感器检测到的压力控制变量气泵的启停和转速。The spraying equipment provided by the present invention includes a closed paint box for holding paint and a spray gun for spraying paint, and also includes a closed pressure box and a variable air pump. The paint box is provided with an air pump interface and a feed port, and the pressure box It is provided with an inlet and an outlet, the variable air pump is connected to the air pump interface, the inlet is connected to the supply port, and the outlet is connected to the spray gun. The variable air pump can drive the paint into the pressure tank and spray it out through the spray gun. It also includes a control The controller and the pressure sensor arranged in the pressure box, the controller can control the start and stop and the speed of the variable air pump according to the pressure detected by the pressure sensor.
喷涂时，变量气泵旋转使气体由气泵接口进入涂料箱，进而使涂料箱内的涂料进入压力箱，并在气流的驱动下，依次通过出料口和喷枪喷出，同时通过压力传感器检测压力箱内的实时压力，控制器根据实时压力控制变量气泵的启停和转速，实现对喷涂设备的喷涂流量进行实时在线调节，响应速度较快，同时由于实时检测压力，保证工作压力稳定，使喷涂更加均匀。实现气液控制分离，防止涂料与电子元件接触，防止爆炸，提高安全性。When spraying, the variable air pump rotates so that the gas enters the paint tank from the air pump interface, and then the paint in the paint tank enters the pressure tank, and driven by the air flow, it is sprayed out through the discharge port and the spray gun in turn, and the pressure sensor is used to detect the pressure in the tank. The controller controls the start and stop and speed of the variable air pump according to the real-time pressure, so as to realize real-time online adjustment of the spraying flow rate of the spraying equipment, and the response speed is fast. uniform. Realize the controlled separation of gas and liquid, prevent the contact between paint and electronic components, prevent explosion and improve safety.
附图说明Description of drawings
图1为本发明所提供的喷涂设备的一种具体实施方式的结构示意图。Fig. 1 is a schematic structural view of a specific embodiment of the spraying equipment provided by the present invention.
具体实施方式detailed description
本发明的核心是提供一种喷涂设备，能够实时在线调节喷涂流量并快速响应。The core of the present invention is to provide a spraying equipment, which can adjust the spraying flow on-line in real time and respond quickly.
为了使本技术领域的人员更好地理解本发明方案，下面结合附图和具体实施方式对本发明作进一步的详细说明。In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
请参考图1，图1为本发明所提供的喷涂设备的一种具体实施方式的结构示意图。Please refer to FIG. 1 , which is a schematic structural view of a specific embodiment of the spraying equipment provided by the present invention.
本发明具体实施方式提供一种喷涂设备，包括涂料箱1、喷枪2、压力箱3、变量气泵4和控制器，涂料箱1密闭设置并用于盛放涂料，并设置有气泵接口11和供料口12，喷枪2用于喷洒涂料，压力箱3密闭设置，其设置有进料口31和出料口34，变量气泵4连通气泵接口11，进料口31连通供料口12，出料口34连通喷枪2，内部还设置有压力传感器5，变量气泵4和压力传感器5均通信连接控制器，变量气泵4能够正向旋转使气体由气泵接口31流向出料口33，控制器能够根据压力传感器5检测到的压力控制变量气泵4的启停和转速。供料口12设置于涂料箱1底部，气泵接口11设置于涂料箱1顶部，便于涂料的排出。The specific embodiment of the present invention provides a spraying equipment, including a paint tank 1, a spray gun 2, a pressure tank 3, a variable air pump 4 and a controller. Port 12, spray gun 2 is used for spraying paint, pressure box 3 is airtightly set, it is provided with feed port 31 and discharge port 34, variable air pump 4 is connected with air pump interface 11, feed port 31 is connected with feed port 12, and discharge port 34 communicates with the spray gun 2, and a pressure sensor 5 is arranged inside. The variable air pump 4 and the pressure sensor 5 are connected to the controller through communication. The variable air pump 4 can rotate forward to make the gas flow from the air pump interface 31 to the discharge port 33. The pressure detected by the sensor 5 controls the start-stop and the rotating speed of the variable air pump 4 . The feed port 12 is arranged at the bottom of the paint tank 1, and the air pump interface 11 is arranged at the top of the paint tank 1, so as to facilitate the discharge of the paint.
喷涂时，变量气泵4旋转使气体由气泵接口11进入涂料向1，进而使涂料箱1内的涂料进入压力箱3，并在气流的驱动下，依次通过出料口34和喷枪2喷出，同时通过压力传感器5检测压力箱3内的实时压力，控制器根据实时压力控制变量气泵4的启停和转速，实现对喷涂设备的喷涂流量进行实时在线调节，响应速度较快，同时由于实时检测压力，保证工作压力稳定，使喷涂更加均匀。When spraying, the variable air pump 4 rotates so that the gas enters the paint direction 1 from the air pump interface 11, and then the paint in the paint tank 1 enters the pressure tank 3, and is sprayed out through the discharge port 34 and the spray gun 2 in sequence under the drive of the airflow. At the same time, the real-time pressure in the pressure tank 3 is detected by the pressure sensor 5, and the controller controls the start-stop and speed of the variable air pump 4 according to the real-time pressure, so as to realize real-time online adjustment of the spraying flow rate of the spraying equipment, and the response speed is fast. Pressure, to ensure the stability of the working pressure, so that the spraying is more uniform.
进一步地，出料口33和喷枪2通过先导式顺序阀6连通，先导式顺序阀6的溢流口连通涂料箱1。正常喷涂时，需要压力箱3内气液混合物的压力达到预设值时，先导式顺序阀6才能打开，连通出料口34和喷枪2，使涂料经由先导式顺序阀6由出料口34进入喷枪2喷出，即保证只有在压力符合要求时才能进行正常喷涂，保证喷涂质量。当气液混合物压力过高时，先导式顺序阀6的溢流口打开，部分涂料经由溢流口流回涂料箱1，保证设备的压力安全。Further, the discharge port 33 communicates with the spray gun 2 through the pilot sequence valve 6 , and the overflow port of the pilot sequence valve 6 communicates with the paint tank 1 . During normal spraying, when the pressure of the gas-liquid mixture in the pressure tank 3 reaches the preset value, the pilot sequence valve 6 can be opened to connect the discharge port 34 and the spray gun 2, so that the paint passes through the pilot sequence valve 6 from the discharge port 34 It enters the spray gun 2 and sprays out, that is to ensure that the normal spraying can only be carried out when the pressure meets the requirements, so as to ensure the spraying quality. When the pressure of the gas-liquid mixture is too high, the overflow port of the pilot sequence valve 6 is opened, and part of the paint flows back to the paint tank 1 through the overflow port to ensure the pressure safety of the equipment.
在本发明具体实施方式提供的喷涂设备中，压力箱3上还设置有第一气罐接口32和第二气罐接口33，第一气罐接口32和第二气罐接口33通过控制阀连通储气罐7，控制器能够通过控制阀控制压力箱3和储气罐7的连通状态。In the spraying equipment provided by the specific embodiment of the present invention, the pressure box 3 is also provided with a first gas tank interface 32 and a second gas tank interface 33, and the first gas tank interface 32 and the second gas tank interface 33 are communicated through a control valve. For the gas storage tank 7, the controller can control the connection state between the pressure tank 3 and the gas storage tank 7 through a control valve.
具体地，控制阀可以为二位三通电磁换向阀8，二位三通电磁换向阀8的进气口连通储气罐7，二位三通电磁换向阀8的第一工作口通过第一单向节流阀9连通第一气罐接口32，二位三通电磁换向阀8的第二工作口通过第二单向节流阀10连通第二气罐接口33。Specifically, the control valve can be a two-position three-way electromagnetic reversing valve 8, the air inlet of the two-position three-way electromagnetic reversing valve 8 is connected to the gas storage tank 7, and the first working port of the two-position three-way electromagnetic reversing valve 8 The first one-way throttle valve 9 communicates with the first gas tank port 32 , and the second working port of the two-position three-way electromagnetic reversing valve 8 communicates with the second gas tank port 33 through the second one-way throttle valve 10 .
二位三通电磁换向阀8处于第一工作位时，进气口连通第一工作口，二位三通电磁换向阀8处于第二工作位时，进气口连通第二工作口，且加速状态下控制器控制二位三通电磁换向阀8处于第一工作位，减速状态下控制器控制二位三通电磁换向阀8处于第二工作位。When the two-position three-way electromagnetic reversing valve 8 is in the first working position, the air inlet is connected to the first working port; when the two-position three-way electromagnetic reversing valve 8 is in the second working position, the air inlet is connected to the second working port. In addition, the controller controls the two-position three-way electromagnetic reversing valve 8 to be in the first working position in the acceleration state, and the controller controls the two-position three-way electromagnetic reversing valve 8 to be in the second working position in the deceleration state.
第一单向节流阀9能够在安全压力下防止气体流进储气罐7，第二单向节流阀10能够在安全压力下防止气体流出储气罐7，通过设置单向节流阀保证气体的正确流动方向，同时在压力过大时使气体通过，进一步提高安全性。The first one-way throttle valve 9 can prevent gas from flowing into the gas storage tank 7 under safe pressure, and the second one-way throttle valve 10 can prevent gas from flowing out of the gas storage tank 7 under safe pressure. By setting the one-way throttle valve Ensure the correct flow direction of the gas, and at the same time allow the gas to pass through when the pressure is too high, further improving safety.
控制阀也可以为电磁截止阀，通过设置电子设备控制气体流动，纯机械设备控制液体流动，实现气液控制分离，防止涂料与电子元件接触，防止爆炸，提高安全性。The control valve can also be an electromagnetic cut-off valve, which controls the flow of gas by setting electronic equipment, and controls the flow of liquid by purely mechanical equipment, so as to realize the control and separation of gas and liquid, prevent the contact between paint and electronic components, prevent explosion and improve safety.
具体工作方式为，启动时，控制器控制二位三通电磁换向阀8处于第一工作位，储气罐7内的气体由第一气罐接口32进入压力箱3，同时变量气泵4加速旋转，使涂料箱1内的涂料进入压力箱3，并通过喷枪2喷出。同时压力传感器5实时监测压力箱3内的压力，达到预设值时，控制器会发出指令控制变量气泵4匀速转动。The specific working method is that when starting, the controller controls the two-position three-way electromagnetic reversing valve 8 to be in the first working position, the gas in the gas storage tank 7 enters the pressure tank 3 through the first gas tank interface 32, and the variable air pump 4 accelerates at the same time Rotate so that the paint in the paint tank 1 enters the pressure tank 3 and sprays out through the spray gun 2. Simultaneously, the pressure sensor 5 monitors the pressure in the pressure tank 3 in real time, and when the pressure reaches the preset value, the controller will issue an instruction to control the variable air pump 4 to rotate at a constant speed.
正常工作时，需要减小喷涂流量时，减小变量气泵4的转速并控制二位三通电磁换向阀8处于第二工作位，储气罐7内的气体经由第二单向节流阀10的节流部分进入压力箱3，减少进气量，进而减小喷涂流量，。需要增大喷涂流量时，增大变量气泵4的转速并控制二位三通电磁换向阀8处于第一工作位，储气罐7内的气体经由第一单向节流阀9的单向部分正常进入压力箱3，增大进气量，进而增大喷涂流量。在改变转速的同时，调整设定的预设压力值，达到预设压力时，使变量气泵4保持匀速即可，保证喷涂均匀。During normal operation, when it is necessary to reduce the spraying flow rate, reduce the speed of the variable air pump 4 and control the two-position three-way electromagnetic reversing valve 8 to the second working position, and the gas in the gas storage tank 7 passes through the second one-way throttle valve. The throttling part of 10 enters the pressure box 3 to reduce the intake air volume, thereby reducing the spraying flow rate. When it is necessary to increase the spraying flow rate, increase the speed of the variable air pump 4 and control the two-position three-way electromagnetic reversing valve 8 to the first working position, and the gas in the gas storage tank 7 passes through the one-way flow of the first one-way throttle valve 9. Part of it normally enters the pressure tank 3, increasing the intake air volume, and then increasing the spraying flow rate. While changing the rotational speed, adjust the set preset pressure value, and when the preset pressure is reached, just keep the variable air pump 4 at a constant speed to ensure uniform spraying.
在上述各具体实施方式提供的喷涂设备的基础上，出料口34设置于压力箱3底部，进料口31设置于压力箱3中部，第一气罐接口32和第二气罐接口33设置于压力箱3顶部，在涂料停止进入压力箱3后，压力箱3内仍然能够保留一定量的涂料，通过储气罐7内的气体驱动喷出，相应延长使用时间，便于连续工作。On the basis of the spraying equipment provided in the above specific embodiments, the discharge port 34 is arranged at the bottom of the pressure box 3, the feed port 31 is arranged at the middle of the pressure box 3, and the first gas tank interface 32 and the second gas tank interface 33 are provided. On the top of the pressure box 3, after the paint stops entering the pressure box 3, a certain amount of paint can still be retained in the pressure box 3, which is driven by the gas in the gas storage tank 7 to spray out, correspondingly prolonging the use time and facilitating continuous work.
以上对本发明所提供的喷涂设备进行了详细介绍。本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修饰，这些改进和修饰也落入本发明权利要求的保护范围内。The spraying equipment provided by the present invention has been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the present invention, and the descriptions of the above embodiments are only used to help understand the method and core idea of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, some improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.
Claims (6)
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