CN113019730A - Method for spraying primer on automobile exterior trimming part by rotating cup - Google Patents
Method for spraying primer on automobile exterior trimming part by rotating cup Download PDFInfo
- Publication number
- CN113019730A CN113019730A CN202110396940.7A CN202110396940A CN113019730A CN 113019730 A CN113019730 A CN 113019730A CN 202110396940 A CN202110396940 A CN 202110396940A CN 113019730 A CN113019730 A CN 113019730A
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- CN
- China
- Prior art keywords
- spraying
- primer
- cup
- atomizer
- rotary cup
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005507 spraying Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000009966 trimming Methods 0.000 title claims abstract description 18
- 239000007921 spray Substances 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims description 7
- 230000003068 static effect Effects 0.000 claims 1
- 239000003973 paint Substances 0.000 abstract description 21
- 238000010422 painting Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 5
- 239000003595 mist Substances 0.000 abstract description 4
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
- B05B5/04—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
- B05B5/0403—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces characterised by the rotating member
- B05B5/0407—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces characterised by the rotating member with a spraying edge, e.g. like a cup or a bell
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
- B05B5/04—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
- B05B5/0422—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces comprising means for controlling speed of rotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
- B05B5/053—Arrangements for supplying power, e.g. charging power
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a method for spraying a primer of an automobile exterior trimming part in a rotary cup manner, and relates to the technical field of paint spraying. The rotary cup spraying method of the automobile exterior trimming part primer comprises the following steps: grounding a skid provided with an automobile exterior trimming part, fixing a rotary cup atomizer on a robot, driving the rotary cup atomizer by the robot, atomizing high-viscosity paint by the rotary cup atomizer through a high-speed rotating cup head to generate a large centrifugal force, and pushing the atomized paint to the surface of a product through the action of forming air; or the electrostatic adsorption is added, so that the paint particles with charges are better adsorbed to the surface of the product after being atomized. By the scheme, the thickness of the primer film of the product is greatly improved, the requirements of customers are met, the painting rate is improved to 50-70%, the paint mist amount of a spray room is reduced, and the appearance quality of the product is improved. Meanwhile, the consumption of the primer is reduced, and the economic benefit is improved.
Description
Technical Field
The invention relates to the technical field of paint spraying, in particular to a rotary cup spraying method for a primer of an automobile exterior trimming part.
Background
With the increasing production requirements and the increasing product requirements, the automobile exterior parts adopt the traditional way of spraying primer by a spray gun, and cannot well meet the requirements of customers on the quality which is perfect day by day.
In the spraying process, the painting rate of the primer spraying mode of the spray gun is far lower than that of the primer spraying mode of the rotary cup. Generally, the painting rate of a spray gun is generally 20-30%, so when the spray gun is used for spraying, the thickness of the primer film of the product can only reach 5-10 μm, and can not reach the thickness of 10-20 μm or other higher films required by customers, which will bring many adverse effects on the quality of the subsequent product.
Because the spray gun adopts a high-pressure paint atomizing mode, most paint particles can rebound to the air when pushed to the surface of a product in the spraying process, so that the defect of large paint mist in the spraying process is caused, the cost is increased to a certain extent, and the product quality is also influenced.
The painting is carried out by a spray gun in a spraying mode, so that the spraying film forming effect is poor, the painting effect of colored paint can be influenced by primer which is not uniform enough, meanwhile, the shortwave and the distinctness of image of the product can also be influenced, and the appearance quality of the product is further reduced.
Disclosure of Invention
Therefore, the invention provides a primer rotary cup spraying method for an automobile exterior trimming part, which aims to solve the problem of spraying the primer by a spray gun in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
the rotary cup spraying method of the automobile exterior trimming part primer comprises the following steps:
grounding the skid provided with the automobile exterior trimming part, fixing the rotary cup atomizer on the robot, driving the rotary cup atomizer to spray the primer on the surface of the automobile exterior trimming part by the robot, wherein the rotating speed of the rotary cup atomizer in the spraying process is 20000-.
Furthermore, a high-speed rotating motor is arranged in the rotary cup atomizer, a rotary cup head is installed on the high-speed rotating motor, a high-speed rotating motor control system is installed in the robot, and the rotary cup head is controlled through the high-speed rotating motor control system.
Furthermore, a high-voltage generator is arranged in the rotary cup atomizer, the electrostatic high voltage of the rotary cup atomizer is 0-90kV, an intelligent voltage controller is installed in the robot, and the high-voltage generator is controlled through the intelligent voltage controller.
Furthermore, an integrated air cap is arranged in the rotary cup atomizer, a spray width air control system is installed in the robot, and the spray width is controlled by the spray width air control system.
Further, the spraying flow rate of the rotary cup atomizer is 0-800 cc/min.
Further, the forming air flow of the rotary cup atomizer is 0-600L/min.
Further, the spraying distance between the rotary cup atomizer and the automobile exterior trimming part is 100-300 mm.
The invention has the following advantages:
the cup head rotating at high speed generates larger centrifugal force to atomize the paint with high viscosity, and the atomized paint particles are pushed to the surface of a product under the action of forming air; or the electrostatic adsorption is added, so that the paint particles with charges are better adsorbed to the surface of the product after being atomized. By the scheme, the thickness of the primer film of the product is greatly improved, the customer requirements are met, the painting rate is improved to 50-70%, the paint mist amount of a spray room is reduced, and the appearance quality of the product is improved. Meanwhile, the consumption of the primer is reduced, and the economic benefit is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the specification are only used for matching with the contents described in the specification, so that those skilled in the art can understand and read the description, and the description is not used for limiting the limit conditions of the implementation of the present invention, so that the technical significance is not provided, and any structural modification, ratio relationship change or size adjustment should still fall within the range covered by the technical contents disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of a method for spraying a primer on an exterior trimming part of an automobile in a revolving cup manner according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of a rotary cup atomizer in accordance with example 2 of the present invention;
in the figure: 1-robot 2-rotary cup atomizer 3-control cabinet 4-main PLC 5-shaping air cap 6-high pressure generator.
Detailed Description
The present invention is described in terms of particular embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the description herein, wherein the described embodiments are intended to be part of the invention rather than the full scope thereof. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship thereof are also regarded as the scope of the present invention without substantial changes in the technical contents.
Example 1
Referring to fig. 1, the method for spraying the primer of the automobile exterior trimming part by the rotary cup comprises the following steps:
grounding the skid provided with the automobile exterior trimming part, fixing the rotary cup atomizer 2 on the robot 1, and driving the rotary cup atomizer 2 by the robot 1 to spray the primer on the surface of the automobile exterior trimming part; each robot 1 is controlled by a control cabinet 3, and each control cabinet 3 is controlled by a master PLC 4.
The robot 1 used in the present embodiment is an ABB coating robot, but other robots may be used. The robot 1 carries out spraying operation in a primer spraying room, and the main PLC 4 controls the walking track of the spraying operation of the robot 1. The rotary cup atomizer 2 is fixed on the robot 1, the automobile exterior trim is grounded, and the robot 1 drives the rotary cup atomizer 2 to spray the primer on the surface of the automobile exterior trim.
The rotating speed of the rotary cup atomizer 2 in the spraying process is 20000-70000 r/min. The forming air flow of the rotary cup atomizer 2 is 0-600L/min, the spraying flow of the rotary cup atomizer 2 is 0-800 cc/min, and the spraying distance between the rotary cup atomizer 2 and the automobile bumper outer decoration is 100-300 mm.
When the cup is rotated for spraying, because the rotary atomization mode is adopted, after the paint is sprayed for a period of time, the primer can be gradually adsorbed on the rotating cup head, and at the moment, the rotating cup head needs to be cleaned so as not to influence the appearance quality of a product. Therefore, after the robot 1 is modified, the primer toilet bowl needs to be modified and upgraded so as to clean the paint adsorbed on the rotary cup at regular time, and the appearance quality and the qualified rate of the product are improved.
At present, no primer is precedent for spraying by rotating a cup in China, so that an unprecedented technical innovation is completed in the process of breaking through the primer by trying once and again, and the primer spraying mode is successfully upgraded from a traditional spray gun to the rotating cup. According to the invention, a cup head rotating at a high speed generates a larger centrifugal force, so that high-viscosity paint is atomized, and the atomized paint is pushed to the surface of a product under the action of forming air; or the electrostatic adsorption is added, so that the paint particles with charges are better adsorbed to the surface of the product after being atomized. By the scheme, the thickness of the primer film of the product is greatly improved, the customer requirements are met, the painting rate is improved to 50-70%, the paint mist amount of a spray room is reduced, and the appearance quality of the product is improved. Meanwhile, the consumption of the primer is reduced, and the economic benefit is improved.
Example 2
Referring to fig. 2, in the present embodiment, a high voltage generator 6 is disposed in a rotary cup atomizer 2, the electrostatic high voltage of the rotary cup atomizer 2 is 0-90kV, and an intelligent voltage controller is installed in a robot 1, and the high voltage generator 6 is controlled by the intelligent voltage controller. The atomized paint is charged and adsorbed to the surface of the product by utilizing the electrostatic adsorption effect. Still be equipped with shaping air cap 5 in revolving cup atomizer 2, rotatory cup head sets up at shaping air cap 5 inboard, and the shaping air cap is gone up and is equipped with a plurality of compressed air passageways around rotatory cup head, installs the air control system that spouts the width of cloth in robot 1, and the size of shaping air current in shaping air cap 5 is controlled through the air control system that spouts the width of cloth.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements may be made based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (6)
1. A method for spraying a primer of an automobile exterior trimming part in a rotating cup is characterized by comprising the following steps: the method for spraying the primer of the automobile exterior trimming part by rotating the cup comprises the following steps:
the rotary cup atomizer (2) is fixed on the robot (1), the automobile exterior trim is grounded, the robot (1) drives the rotary cup atomizer (2) to spray the primer on the surface of the automobile exterior trim, and the rotating speed of the rotary cup atomizer (2) in the spraying process is 20000-70000 r/min.
2. The method for spin cup spraying the primer for the exterior automotive parts according to claim 1, wherein: the rotary cup type atomizer is characterized in that a high-speed rotary motor is arranged in the rotary cup atomizer (2), a rotary cup head is installed on the high-speed rotary motor, a high-speed rotary motor control system is installed in the robot (1), and the rotary cup head is controlled by the high-speed rotary motor control system.
3. The method for spin cup spraying the primer for the exterior automotive parts according to claim 1, wherein: be equipped with high voltage generator (6) in revolving cup atomizer (2), the static high pressure of revolving cup atomizer (2) is 0-90kV, install intelligent voltage controller in robot (1), through intelligent voltage controller control high voltage generator (6).
4. The method for spin cup spraying the primer for the exterior automotive parts according to claim 1, wherein: the spraying flow rate of the rotary cup atomizer (2) is 0-800 cc/min.
5. The method for spin cup spraying the primer for the exterior automotive parts according to claim 1, wherein: the forming air flow rate of the rotary cup atomizer (2) is 0-600L/min.
6. The method for spin cup spraying the primer for the exterior automotive parts according to claim 1, wherein: the spraying distance between the rotary cup atomizer (2) and the automobile exterior trimming part is 100-300 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110396940.7A CN113019730A (en) | 2021-04-13 | 2021-04-13 | Method for spraying primer on automobile exterior trimming part by rotating cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110396940.7A CN113019730A (en) | 2021-04-13 | 2021-04-13 | Method for spraying primer on automobile exterior trimming part by rotating cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113019730A true CN113019730A (en) | 2021-06-25 |
Family
ID=76456561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110396940.7A Pending CN113019730A (en) | 2021-04-13 | 2021-04-13 | Method for spraying primer on automobile exterior trimming part by rotating cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113019730A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114762851A (en) * | 2022-03-09 | 2022-07-19 | 广汽埃安新能源汽车有限公司 | Spraying method for improving painting rate of outer plate of automobile body |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6189804B1 (en) * | 1998-03-27 | 2001-02-20 | Behr Systems, Inc. | Rotary atomizer for particulate paints |
| US20060175439A1 (en) * | 2005-02-08 | 2006-08-10 | Steur Gunnar V D | Voltage and turbine speed control apparatus for a rotary atomizer |
| JP2007237099A (en) * | 2006-03-09 | 2007-09-20 | Nissan Motor Co Ltd | Method of coating structure having recess |
| CN108355938A (en) * | 2018-04-08 | 2018-08-03 | 武汉燎原模塑有限公司 | A kind of spraying method improving bumper orange peel |
| WO2020198322A1 (en) * | 2019-03-25 | 2020-10-01 | Carlisle Fluid Technologies, Inc. | Electrostatic coating system and method |
-
2021
- 2021-04-13 CN CN202110396940.7A patent/CN113019730A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6189804B1 (en) * | 1998-03-27 | 2001-02-20 | Behr Systems, Inc. | Rotary atomizer for particulate paints |
| US20060175439A1 (en) * | 2005-02-08 | 2006-08-10 | Steur Gunnar V D | Voltage and turbine speed control apparatus for a rotary atomizer |
| JP2007237099A (en) * | 2006-03-09 | 2007-09-20 | Nissan Motor Co Ltd | Method of coating structure having recess |
| CN108355938A (en) * | 2018-04-08 | 2018-08-03 | 武汉燎原模塑有限公司 | A kind of spraying method improving bumper orange peel |
| WO2020198322A1 (en) * | 2019-03-25 | 2020-10-01 | Carlisle Fluid Technologies, Inc. | Electrostatic coating system and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114762851A (en) * | 2022-03-09 | 2022-07-19 | 广汽埃安新能源汽车有限公司 | Spraying method for improving painting rate of outer plate of automobile body |
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