CN113237786A - Method and device for measuring one-time powder applying rate of enamel powder - Google Patents

Method and device for measuring one-time powder applying rate of enamel powder Download PDF

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Publication number
CN113237786A
CN113237786A CN202110534966.3A CN202110534966A CN113237786A CN 113237786 A CN113237786 A CN 113237786A CN 202110534966 A CN202110534966 A CN 202110534966A CN 113237786 A CN113237786 A CN 113237786A
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Prior art keywords
powder
measuring instrument
weight measuring
spraying
measured
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CN202110534966.3A
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Chinese (zh)
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潘鹏飞
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Qingdao Zhongbang Science And Technology Development Co ltd
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Qingdao Zhongbang Science And Technology Development Co ltd
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Priority to CN202110534966.3A priority Critical patent/CN113237786A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N5/00Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
    • G01N5/02Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content

Abstract

The invention is suitable for measuring the relevant field, has provided a enamel powder and applied powder rate determination device once, including the test powder room, is used for providing a powder spraying space for determining the experiment; the part weight measuring instrument is arranged on the test powder room and used for measuring the weight of the measured part at different stages; the part to be measured is connected with the part weight measuring instrument; and the coating weight measuring instrument is used for measuring the weight of the spraying equipment at different stages. Through carrying out the powder spraying experiment in experimental powder room, monitor the weight change before and after the spraying of part and spraying equipment with part weight measuring apparatu and coating weight measuring apparatu, then obtain the powder rate of once going up according to the change value of both weights, this kind of device and the method of survey powder rate of once going up are more rigorous, and maneuverability is strong, are fit for using widely.

Description

Method and device for measuring one-time powder applying rate of enamel powder
Technical Field
The invention belongs to the field of measurement correlation, and particularly relates to a method and a device for measuring the one-time powder applying rate of enamel powder.
Background
Electrostatic spraying (electrostatic dry enameling) of enamel powder is a new process in the enamel industry, has the obvious advantages of energy conservation, consumption reduction, high automation degree and the like compared with the traditional wet enamel process, and is widely popularized and applied at present. The electrostatic spray gun for enamel powder is the core equipment for electrostatic spraying of enamel powder, and its performance directly affects various technical indexes of the product.
The one-time powder feeding rate of the enamel powder electrostatic spray gun is a key index for evaluating the performance of the spray gun, and the determination method and the determination device for the index are different, so that the industry has no unified standard, the rigidness is lacked, and the compliance is lost.
Disclosure of Invention
The embodiment of the invention aims to provide a method and a device for measuring the once powder-applying rate of enamel powder, and aims to solve the problems that the existing method and device for measuring the once powder-applying rate are different, the industry has no unified standard, the rigor is lack, and the justice is lost.
The embodiment of the invention is realized in such a way, and on one hand, the embodiment of the invention provides a device for measuring the once powder applying rate of enamel powder, which comprises:
the test powder room is used for providing a powder spraying space for a determination test;
the part weight measuring instrument is arranged on the test powder room and used for measuring the weight of the measured part at different stages;
the part to be measured is connected with the part weight measuring instrument;
and the coating weight measuring instrument is used for measuring the weight of the spraying equipment at different stages.
Preferably, the apparatus further comprises: and the suspension bracket is used for connecting the part to be measured with the part weight measuring instrument.
Preferably, the apparatus further comprises: and the tray is arranged on the coating weight measuring instrument and used for enlarging the bearing area of the coating weight measuring instrument.
Preferably, the apparatus further comprises: the camera shooting equipment is used for shooting the reading of the data display area on the part weight measuring instrument;
and the display equipment is in communication connection with the image pickup equipment and is used for displaying the picture content shot by the image pickup equipment.
On the other hand, the embodiment of the invention also provides a method for measuring the once powder applying rate of enamel powder, which comprises the following steps:
after hanging a clean part to be measured on the suspension bracket, resetting the part weight measuring instrument;
placing the spraying equipment on a tray, and resetting the coating weight measuring instrument;
spraying by a spray gun perpendicular to the surface of the part to be measured, and observing the reading M of the part weight measuring instrument through a display device;
stopping spraying when M reaches a preset value, and recording the actual reading M1 of the part weight measuring instrument;
the spraying equipment is put back on the tray, and the indication number-N of the coating weight measuring instrument is observed;
calculating to obtain a primary powdering rate U; the formula for calculating the primary powdering rate is as follows:
Figure 286993DEST_PATH_IMAGE001
namely: one-time powdering rate = powdering amount/powder consumption amount.
According to the device for measuring the one-time powder applying rate of the enamel powder, provided by the embodiment of the invention, a spraying experiment is carried out in a test powder room, the weight changes of the measured part and spraying equipment before and after spraying are monitored by the part weight measuring instrument and the coating weight measuring instrument, and then the one-time powder applying rate is obtained according to the weight change values of the measured part and the spraying equipment.
Drawings
Fig. 1 is a schematic structural diagram of a device for measuring a one-time powder applying rate of enamel powder according to an embodiment of the present invention.
In the drawings: 1. a test powder room; 2. a suspension bracket; 3. a part to be tested; 4. a part weight measuring instrument; 5. an image pickup apparatus; 6. a display device; 7. a coating weight measuring instrument; 8. powder spraying equipment; 9. a tray.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a structural diagram of an apparatus for measuring a primary powder applying rate of enamel powder according to an embodiment is provided, the apparatus including:
the test powder room 1 is used for providing a powder spraying space for a determination test;
the part weight measuring instrument 4 is arranged on the test powder room 1 and is used for measuring the weight of the measured part 3 at different stages;
the part to be measured 3 is connected with the part weight measuring instrument 4;
and a coating weight measuring instrument 7 for measuring the weight of the spraying equipment 8 at different stages.
In one case of the embodiment, by performing a powdering spraying experiment in the test powder room 1, the weight changes of the part 3 to be tested and the spraying equipment 8 before and after spraying are monitored by the part weight measuring instrument 4 and the coating weight measuring instrument 7, and then the primary powdering rate is obtained according to the weight change values of the part 3 to be tested and the spraying equipment 8.
It should be noted that the part weight measuring instrument 4 and the coating weight measuring instrument 7 may be commonly used electronic scales, or may be precision measuring instruments for more accurate and precise measurement. The spraying equipment 8 includes a powder barrel, a powder pump, a spray gun, a hose, etc., and in addition, the powder barrel, the powder pump, and the spray gun may be replaced with other spraying equipment according to the difference of the spraying material.
In one aspect of this embodiment, the apparatus further comprises: the suspension bracket 2 is used for connecting the measured part 3 with the part weight measuring instrument 4. Because the part weight measuring instrument 4 needs to be repeatedly recycled and needs to ensure the cleanliness and accuracy, a certain distance is kept between the part weight measuring instrument 4 and the measured part 3 in the spraying process, but the quality change of the measured part 3 can be monitored in real time, and the suspension bracket 2 is needed to be used for connecting the part weight measuring instrument 4 and the measured part 3.
In one aspect of this embodiment, the apparatus further comprises: and the tray 9 is arranged on the coating weight measuring instrument 7 and is used for enlarging the bearing area of the coating weight measuring instrument 7. The size and number of the spraying devices 8 have uncertainty for different spraying scales and different spraying materials, and in order to increase the area of the object carried by the coating weight measuring instrument 7, a tray 9 is additionally arranged.
As shown in fig. 1, in one embodiment, the apparatus further comprises: an image pickup device 5 for picking up a reading of the data display area on the part weight measuring instrument 4; the image pickup device 5 may be a video camera, a video recorder, or the like.
And the display device 6 is in communication connection with the image pickup device 5 and is used for displaying the picture content shot by the image pickup device 5. The display device 6 may be a desktop computer, a notebook computer, a tablet computer, or the like.
On the other hand, the embodiment of the invention also provides a method for measuring the once powder applying rate of enamel powder, which comprises the following steps:
step 1: hanging a clean part 3 to be measured on the suspension bracket 2, and then resetting the part weight measuring instrument 4;
step 2: placing the spraying equipment on the tray 9, and resetting the coating weight measuring instrument 7;
and step 3: the spray gun is vertical to the surface of the measured part 3 for spraying, and the reading M of the part weight measuring instrument 4 is observed through the display equipment 6;
and 4, step 4: stopping spraying when M reaches a preset value, and recording the actual reading M1 of the part weight measuring instrument 4;
and 5: the spraying equipment is put back on the tray 9, and the indication-N of the coating weight measuring instrument 7 is observed;
step 6: calculating to obtain a primary powdering rate U; the formula for calculating the primary powdering rate is as follows:
Figure 429392DEST_PATH_IMAGE001
namely: one-time powdering rate = powdering amount/powder consumption amount.
And 7: the test steps 1-6 are repeated three to four times, and then the average value of the one-time powder feeding rate of the spray gun is taken as the one-time powder feeding rate data of the spray gun.
In order to better ensure the one-time powdering rate, the ambient wind speed is kept less than or equal to 0.1 m/s in the experimental process; ambient air temperature: 10-30 ℃; air humidity: less than 70 percent; workpiece temperature: 10-35 ℃; the energized equipment is properly grounded.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. An enamel powder one-time powder-applying rate measuring device, characterized by comprising:
the test powder room is used for providing a powder spraying space for a determination test;
the part weight measuring instrument is arranged on the test powder room and used for measuring the weight of the measured part at different stages;
the part to be measured is connected with the part weight measuring instrument;
and the coating weight measuring instrument is used for measuring the weight of the spraying equipment at different stages.
2. The apparatus for measuring a powder application rate of enamel powder according to claim 1, wherein the apparatus further comprises:
and the suspension bracket is used for connecting the part to be measured with the part weight measuring instrument.
3. The apparatus for measuring a powder application rate of enamel powder according to claim 1, wherein the apparatus further comprises:
and the tray is arranged on the coating weight measuring instrument and used for enlarging the bearing area of the coating weight measuring instrument.
4. A device for measuring a powder application rate of enamel powder according to any one of claims 1-3, characterized in that the device further comprises:
the camera shooting equipment is used for shooting the reading of the data display area on the part weight measuring instrument;
and the display equipment is in communication connection with the image pickup equipment and is used for displaying the picture content shot by the image pickup equipment.
5. A method for measuring the once powder applying rate of enamel powder is characterized by comprising the following steps:
after hanging the measured part on the suspension bracket, resetting the part weight measuring instrument;
placing the spraying equipment on a tray, and resetting the coating weight measuring instrument;
spraying by a spray gun perpendicular to the surface of the part to be measured, and observing the reading M of the part weight measuring instrument through a display device;
stopping spraying when M reaches a preset value, and recording the actual reading M1 of the part weight measuring instrument;
the spraying equipment is put back on the tray, and the indication number-N of the coating weight measuring instrument is observed;
calculating to obtain a primary powdering rate U; the formula for calculating the primary powdering rate is as follows:
Figure 688270DEST_PATH_IMAGE001
CN202110534966.3A 2021-05-17 2021-05-17 Method and device for measuring one-time powder applying rate of enamel powder Pending CN113237786A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110534966.3A CN113237786A (en) 2021-05-17 2021-05-17 Method and device for measuring one-time powder applying rate of enamel powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110534966.3A CN113237786A (en) 2021-05-17 2021-05-17 Method and device for measuring one-time powder applying rate of enamel powder

Publications (1)

Publication Number Publication Date
CN113237786A true CN113237786A (en) 2021-08-10

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002000354A1 (en) * 2000-06-29 2002-01-03 Anest Iwata Corporation Electrostatic painting device
CN2634012Y (en) * 2003-01-15 2004-08-18 黄鸣 Powder spray white washing device
WO2005018813A2 (en) * 2003-08-21 2005-03-03 Bae Systems Plc Improvements in or relating to spray coating
JP2007232472A (en) * 2006-02-28 2007-09-13 Toray Ind Inc Basis weight measuring method of powder and basis weight measuring instrument of powder
CN103469141A (en) * 2013-09-24 2013-12-25 无锡市福莱达石油机械有限公司 Method for measuring thermal spraying powder deposition rate
WO2016015600A1 (en) * 2014-07-31 2016-02-04 深圳市大富科技股份有限公司 Electrostatic powder spray coating device and spray coating method
CN205392797U (en) * 2016-03-06 2016-07-27 响水县智诚知识产权信息服务有限公司 Spray coating device
KR20170053901A (en) * 2015-11-09 2017-05-17 대우조선해양 주식회사 Apparatus and method for measuring transfer efficiency of spray paint
CN108453021A (en) * 2018-01-30 2018-08-28 广州泽亨实业有限公司 A kind of enamel technology method of metal product
CN111999203A (en) * 2020-09-17 2020-11-27 广铝集团有限公司 Powder coating dead angle powder application rate testing tool and testing method

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002000354A1 (en) * 2000-06-29 2002-01-03 Anest Iwata Corporation Electrostatic painting device
CN2634012Y (en) * 2003-01-15 2004-08-18 黄鸣 Powder spray white washing device
WO2005018813A2 (en) * 2003-08-21 2005-03-03 Bae Systems Plc Improvements in or relating to spray coating
JP2007232472A (en) * 2006-02-28 2007-09-13 Toray Ind Inc Basis weight measuring method of powder and basis weight measuring instrument of powder
CN103469141A (en) * 2013-09-24 2013-12-25 无锡市福莱达石油机械有限公司 Method for measuring thermal spraying powder deposition rate
WO2016015600A1 (en) * 2014-07-31 2016-02-04 深圳市大富科技股份有限公司 Electrostatic powder spray coating device and spray coating method
KR20170053901A (en) * 2015-11-09 2017-05-17 대우조선해양 주식회사 Apparatus and method for measuring transfer efficiency of spray paint
CN205392797U (en) * 2016-03-06 2016-07-27 响水县智诚知识产权信息服务有限公司 Spray coating device
CN108453021A (en) * 2018-01-30 2018-08-28 广州泽亨实业有限公司 A kind of enamel technology method of metal product
CN111999203A (en) * 2020-09-17 2020-11-27 广铝集团有限公司 Powder coating dead angle powder application rate testing tool and testing method

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