CN114643176B - Method for vehicle-mounted spraying of matte part and hanger - Google Patents
Method for vehicle-mounted spraying of matte part and hanger Download PDFInfo
- Publication number
- CN114643176B CN114643176B CN202210274881.0A CN202210274881A CN114643176B CN 114643176 B CN114643176 B CN 114643176B CN 202210274881 A CN202210274881 A CN 202210274881A CN 114643176 B CN114643176 B CN 114643176B
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- vehicle body
- matte
- spraying
- hanging
- paint
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- 238000005507 spraying Methods 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000003973 paint Substances 0.000 claims abstract description 77
- 238000001035 drying Methods 0.000 claims abstract description 26
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 238000001962 electrophoresis Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 7
- 238000010422 painting Methods 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 5
- 239000002966 varnish Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 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
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
- B05B13/0264—Overhead conveying means, i.e. the object or other work being suspended from the conveying means; Details thereof, e.g. hanging hooks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
- B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
- B05D5/061—Special surface effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
- B05D7/26—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials synthetic lacquers or varnishes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/587—No clear coat specified some layers being coated "wet-on-wet", the others not
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a vehicle-mounted spraying method and a mounting and hanging piece for a matte part, wherein the vehicle-mounted spraying method for the matte part comprises the following steps: the method comprises the following steps of (1) hanging a part on a vehicle body, and exposing the appearance surface of the part outwards; spraying matte paint on the appearance surface of the part, and pre-drying the part and the vehicle body together to obtain a pre-matte part; turning the appearance surface of the pre-matte part to face the vehicle body; spraying the vehicle body to obtain a pre-finish vehicle body; and drying the pre-finish paint vehicle body and the pre-matte part together to obtain the finish paint vehicle body and the matte part. The invention aims to solve the problems of production waste and reduction of production efficiency caused by the fact that the existing coating process of matte parts and vehicle bodies occupies working procedure takt.
Description
Technical Field
The invention relates to the technical field of truck spraying, in particular to a method for spraying a matte part on a truck and a mounting piece.
Background
The truck body is generally accompanied by a plurality of appearance parts, such as a front panel, a corner wrapping plate, a lampshade, an auxiliary bumper and the like, and in order to reduce the manufacturing cost and the process difficulty, the parts are generally sheet metal parts independent from the truck body, are assembled on the truck body after being assembled in a final assembly and separated. The matte paint is a coating with the glossiness far lower than that of high-gloss paint, and is different from water-based paint used for a vehicle body, and the existing matte paint is solvent-based paint. The matte small pieces are generally in dark color systems such as black, brown, gray and the like.
Because the paint spraying section comprises a primer spraying room, a color paint spraying room, a varnish spraying room, a drying room and a glue drying room, the color of the matte paint of the matte part is different from that of the water-based paint of the vehicle body, the paint system is different, and the paint film appearance is poor due to mutual pollution of the paint no matter the paint is sprayed in the primer spraying room or the color paint spraying room. In the existing compact process of automobile coating, a matte part adopts a form of independent line passing spraying, the part is taken down after electrophoresis, a special tool is used for centralized hanging, and the line passing spraying is carried out independently. However, the matte part is intensively and independently sprayed with the lines, so that the takt is occupied, the production waste is caused, and the production efficiency is reduced.
Disclosure of Invention
The invention mainly aims to provide a vehicle-mounted spraying method for a matte part and the matte part, and aims to solve the problems of production waste and reduction of production efficiency caused by takt time occupation when the existing matte part and vehicle body are sprayed.
In order to achieve the purpose, the vehicle-mounted spraying method for the matte part, provided by the invention, comprises the following steps of:
the method comprises the following steps of (1) hanging a part on a vehicle body, and exposing the appearance surface of the part outwards;
spraying matte paint on the appearance surface of the part, and pre-drying the part and the vehicle body together to obtain a pre-matte part;
turning the appearance surface of the pre-matte part to face the vehicle body;
spraying the vehicle body to obtain a pre-finish vehicle body;
and drying the pre-finish paint vehicle body and the pre-matte part together to obtain the finish paint vehicle body and the matte part.
Optionally, the step of attaching the component to the vehicle body and exposing the appearance surface of the component to the outside further includes:
the part is arranged in a mounting frame of a front windshield of the vehicle body, and the appearance surface of the part is exposed outwards; or,
and hanging the part on the front wall of the vehicle body, and exposing the appearance surface of the part outwards.
Optionally, the step of turning the appearance surface of the pre-matte part to face the vehicle body further comprises:
transferring the pre-matte part into the vehicle body, and turning the appearance surface of the pre-matte part to face the rear periphery of the vehicle body; or,
and transferring the pre-matte part into the vehicle body, and turning the appearance surface of the pre-matte part to the floor facing the vehicle body.
Optionally, after the step of transferring the pre-matte part into the vehicle body and turning the appearance surface of the pre-matte part to face the rear periphery of the vehicle body, the method further includes:
and correspondingly adsorbing the magnetic plate at a window positioned at the rear periphery of the vehicle body to shield the window.
Optionally, the step of turning the appearance surface of the pre-matte part to face the vehicle body further includes:
and polishing the appearance surface of the car body.
Optionally, the step of hanging the component on the vehicle body and exposing the appearance surface of the component to the outside further includes:
performing a cathode electrophoresis process on the vehicle body and the part to obtain an electrophoresis part and an electrophoresis vehicle body;
and coating a sealant and a stone-hit-preventing adhesive on the electrophoresis part and the electrophoresis vehicle body to obtain the rubber vehicle body and the rubber part.
Optionally, spraying the vehicle body, and obtaining a pre-finish vehicle body further includes:
sequentially performing primer spraying, intermediate paint spraying and colored paint spraying on the vehicle body to obtain a primary paint vehicle body;
pre-drying the vehicle body with the primary paint;
and performing varnish spraying on the vehicle body to obtain the pre-finish vehicle body.
Optionally, the step of spraying a matte paint on the appearance surface of the part comprises:
and (3) carrying out twice matte paint spraying on the appearance surface of the part, wherein the thickness of a paint film formed on the part by the matte paint sprayed each time is 10-12 mu m.
The invention also provides a hanger, which is used in the above method for vehicle-mounted spraying of the matte part, and comprises:
the hanging rack comprises at least two main rods, a cross beam and at least two hanging beams, the two main rods are arranged at intervals in the transverse direction and extend along the vertical direction, the upper ends of the main rods are used for correspondingly penetrating through the mounting frame of the front windshield of the automobile body, two ends of the cross beam are respectively connected to the middle parts of the two main rods, one ends of the two hanging beams are connected to the cross beam, the other ends of the two hanging beams extend downwards and bend and extend along the transverse direction away from the cross beam, each hanging beam is provided with a hanging part, and the hanging parts are used for being connected with the components; and the number of the first and second groups,
the limiting assembly comprises a first limiting part and a second limiting part, the first limiting part is connected to the lower end of the main rod and extends along the transverse direction, the second limiting part is connected to the front side of the lower end of the first limiting part and is formed with a limiting groove, and the limiting groove is used for containing the lower side edge of the mounting frame of the front windshield of the automobile body.
Optionally, each hanging beam is provided with a plurality of hanging parts, the plurality of hanging parts are arranged at intervals along the extending direction of the hanging beam, and each hanging part is provided with an installation groove which is penetrated in the vertical direction;
the hanging piece further comprises a connecting piece, the connecting piece comprises a bolt and a connecting plate, the bolt extends in the vertical direction and is used for being inserted into the mounting groove, the connecting plate extends in the transverse direction, a plurality of connecting holes distributed at intervals are formed in the connecting plate, each connecting hole is used for corresponding to the through hole in the component, and the connecting holes are connected with the through holes through bolts.
According to the technical scheme, the part is mounted on the vehicle body, and the appearance surface of the part is exposed outwards, so that the operation of spraying the matte paint on the appearance surface of the part is simpler, and the influence on the appearance surface of the vehicle body is reduced; then, spraying matte paint on the appearance surface of the part, pre-drying the part and the vehicle body together, drying in a glue drying room to obtain a pre-matte part, turning the appearance surface of the pre-matte part to face the vehicle body to shield the appearance surface of the pre-matte part, spraying the vehicle body to obtain a pre-finish vehicle body, and drying the pre-matte part in a drying room along with the vehicle body to obtain a finish vehicle body and a matte part; therefore, the appearance surface of the part is coated with the matt paint and then is hung, and the appearance surface of the automobile body is coated, so that the appearance surface of the automobile body and the coating of the appearance surface of the part are realized in the same paint spraying room, the line is passed once, the production line beat is improved, the consumption of the single automobile body is reduced, and the manual operation cost is saved.
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 is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic flow chart of an embodiment of a vehicle-mounted spraying method for a matte part provided by the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of a mounting member provided in the present invention;
FIG. 3 is a schematic view of a portion of the mounting member of FIG. 2;
FIG. 4 is another schematic structural view of a portion of the hanger attachment member of FIG. 2;
fig. 5 is a schematic structural view of a mounting frame for mounting a component to a front windshield of the vehicle body;
fig. 6 is a schematic view of a structure in which a component is mounted in the vehicle body.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name(s) |
| 100 | Vehicle body | 3141 | |
| 200 | Component part | 320 | |
| 300 | Clothes hanger | 321 | First |
| 310 | |
322 | |
| 311 | |
323 | |
| 312 | Cross beam | 330 | Connecting |
| 313 | Hanging beam | 331 | Bolt (A) |
| 314 | Mounting and hanging |
332 | Connecting plate |
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B", including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The truck body is generally accompanied by a plurality of appearance parts, such as a front panel, a corner wrapping plate, a lampshade, an auxiliary bumper and the like, and in order to reduce the manufacturing cost and the process difficulty, the parts are generally sheet metal parts independent from the truck body, are assembled on the truck body after being assembled in a final assembly and separated. The matte paint is a coating with the glossiness far lower than that of high-gloss paint, and is different from water-based paint used for a vehicle body, and the existing matte paint is solvent-based paint. The matte small pieces are generally in dark color systems such as black, brown, gray and the like.
Because the paint spraying section is provided with the primer spraying room, the color paint spraying room, the varnish spraying room, the drying room and the glue drying room, the color of the matte paint of the matte part is different from that of the water-based paint with the color of the vehicle body, and the paint system is different, the paint film appearance is poor due to mutual pollution of the paint no matter the paint is sprayed in the primer spraying room or the color paint spraying room. In the existing compact process for automobile coating, a matte part adopts a single line-passing spraying mode, the part is taken down after electrophoresis, a special tool is used for centralized hanging, and the spraying is carried out through single line-passing. However, the matte part is intensively and independently sprayed with the lines, so that the takt is occupied, the production waste is caused, and the production efficiency is reduced.
In view of this, the invention provides a method for vehicle-mounted spraying of a matte part, which can realize spraying production of two colors of the matte part and the finish paint vehicle body by one-pass, and fig. 1 is a flow schematic diagram of an embodiment of the method for vehicle-mounted spraying of the matte part provided by the invention; fig. 2 to 4 are views illustrating an embodiment of a hanger according to the present invention; fig. 5 to 6 show an embodiment in which the components are mounted to the vehicle body.
Referring to fig. 1, the method for vehicle-mounted spraying of the matte part includes the following steps:
s10, mounting the part on a vehicle body, and exposing the appearance surface of the part outwards;
s20, spraying matte paint on the appearance surface of the part, and pre-drying the part and the vehicle body together to obtain a pre-matte part;
s30, turning the appearance surface of the pre-matte part to face the vehicle body;
s40, spraying the car body to obtain a pre-finish car body;
s50, drying the pre-finish vehicle body and the pre-matte part together to obtain the finish vehicle body and the matte part.
According to the technical scheme, the part is mounted on the vehicle body, and the appearance surface of the part is exposed outwards, so that the operation of spraying the matte paint on the appearance surface of the part is simpler, and the influence on the appearance surface of the vehicle body is reduced; then, spraying matte paint on the appearance surface of the part, pre-drying the part and the vehicle body together, drying in a glue drying room to obtain a pre-matte part, turning the appearance surface of the pre-matte part to face the vehicle body to shield the appearance surface of the pre-matte part, spraying the vehicle body to obtain a pre-finish vehicle body, and drying the pre-matte part in a drying room along with the vehicle body to obtain a finish vehicle body and a matte part; so, through inciting somebody to action after the dull and stereotyped lacquer of outward appearance face spraying of part, it is right again the outward appearance face of automobile body sprays, realizes at same spray booth the outward appearance face of automobile body with the spraying of the outward appearance face of part once crosses the line, has improved the production line beat, reduces the consumption of individual automobile body, has practiced thrift the manual work cost.
In an embodiment, referring to fig. 5, the step S10 further includes:
s11, mounting the part in a mounting frame of a front windshield of the vehicle body, and exposing the appearance surface of the part outwards;
the front side of automobile body has front windshield's installing frame, the front windshield installing frame size of automobile body is great, and is far away from the automobile body, is good installation space, so will the part through the dress pendant dress hang in the front windshield's of automobile body installing frame, can make the part is kept away from the outward appearance face of automobile body, and will the outward appearance face of automobile body shows, and it is right to reduce when conveniently carrying out the spraying the influence of the outward appearance face of automobile body, the position of setting is ingenious, improves spraying efficiency.
In another embodiment, the step S10 further includes:
and S11a, hanging the part on the front wall of the vehicle body, and exposing the appearance surface of the part outwards.
In the invention, the part can be hung on the front wall of the vehicle body, so that the appearance surface of the vehicle body is exposed to the outside; since the front wall is a non-exterior surface of the vehicle body, even when matte paint is applied to the exterior surface of the component, the influence on the exterior surface of the vehicle body can be reduced, and accurate painting can be achieved.
The parts can be hung at the assembly position, so that the appearance surface inspection after the electrophoresis of the vehicle body is facilitated, and the matte paint of the parts is conveniently sprayed.
In this embodiment, the step S10 further includes:
and S12, performing a cathode electrophoresis process on the vehicle body and the part to obtain an electrophoresis part and an electrophoresis vehicle body.
The electrophoretic part and the electrophoretic car body are obtained by adopting the traditional cathode process, namely, the car body and the part are taken as the cathode, the adopted electrophoretic paint is cationic, the car body and the part with conductivity are immersed in an electrophoretic paint tank which is filled with diluted water and has relatively low concentration to be taken as the cathode, the anode corresponding to the cathode is additionally arranged in the tank, direct current is conducted between the two electrodes, and a uniform water-insoluble coating film is precipitated on the car body and the part; the specific operation method and process requirements of the cathode process can be set by referring to the conventional setting in the field, and are not described in detail herein.
S13, coating the electrophoresis part and the electrophoresis vehicle body with a sealant and a stone-hit-preventing adhesive to obtain a rubber vehicle body and a rubber part.
In order to mask the appearance surface of the pre-matte part, in an embodiment, the step S30 further includes:
s31, transferring the pre-matte part into the automobile body, and turning the appearance surface of the pre-matte part to face the rear periphery of the automobile body.
Further, after the step S31, the method further includes:
and S32, correspondingly adsorbing the magnetic plate at a window positioned at the rear periphery of the vehicle body to shield the window.
Because most enclose still have the back window behind the automobile body, adopt the magnetic sheet to adsorb and be located the window department of enclosing behind the automobile body, will the back window shelters from, and it is right to avoid when the outward appearance of automobile body is carried out the spraying, the coating cloud follows in the back window gets into the car, to the outward appearance face of dumb light part causes the influence in advance.
In another embodiment, referring to fig. 6, the S30 further includes:
s31a, transferring the pre-matte part into the vehicle body, and turning the appearance surface of the pre-matte part to a floor facing the vehicle body.
The pre-matte part is detached from an installation frame of a front windshield of the vehicle body, then the pre-matte part is transferred into the vehicle body, the pre-matte part is installed in the vehicle body, and the appearance surface of the pre-matte part faces the floor of the vehicle body, so that the appearance surface of the pre-matte part can be completely shielded, and the influence on the external hanging surface of the pre-matte part when the vehicle body is sprayed is avoided.
In order to improve the painting quality of the vehicle body, the step S30 is followed by
S301, polishing the appearance surface of the car body.
And slightly polishing the appearance surface of the vehicle body sprayed with paint mist of the matte paint while polishing the electrophoresis defects of the vehicle body, and removing the matte paint sprayed on the appearance surface of the vehicle body.
In this embodiment, the step S40 further includes:
s41, sequentially spraying primer, intermediate paint and colored paint on the vehicle body to obtain a primary painted vehicle body;
s42, pre-drying the vehicle body with the primary paint;
s43, performing varnish spraying on the vehicle body to obtain the pre-finish vehicle body.
In order to improve the effect of spraying the matte paint on the component, in this embodiment, the step S20 further includes:
and S21, carrying out twice matte paint spraying on the appearance surface of the part, wherein the thickness of a paint film formed on the part by the matte paint sprayed each time is 10-12 mu m.
In the process of spraying the appearance surface of the part, twice spraying is adopted, and the twice spraying can improve the spraying quality aiming at the places which are not uniformly sprayed or are not sprayed in the process of the second spraying after the first spraying, and the thickness of a paint film formed on the part by the matte paint sprayed each time is 10-12 mu m, so that the phenomenon that the matte paint formed by spraying foams or warps shells in the drying process can be avoided.
Referring to fig. 2 to 4, the present invention further provides a hanger 300, where the hanger 300 is used in a method for vehicle-mounted spraying of the matte part 200, the hanger 300 includes a hanger 310 and a limiting assembly 320, the hanger 310 includes at least two main rods 311, a cross beam 312 and at least two hanger beams 313, the two main rods 311 are arranged at intervals in a transverse direction and both extend in an up-down direction, an upper end of each main rod 311 is used to correspond to an installation frame of a front windshield of the vehicle body 100, two ends of each cross beam 312 are respectively connected to the middle of the two main rods 311 to connect the two main rods 311, one end of each hanger beam 313 is connected to the cross beam 312, the other end of each hanger beam 313 extends downward and is bent and extends in a direction away from the cross beam 312 in the transverse direction, each hanger beam 313 is provided with a hanger 314, and the hanger 314 is used for connecting the part 200; the component 200 is connected to the hanging parts 314 of the two hanging beams 313, so that the component 200 can be mounted on the hanging member 300; the limiting assembly 320 includes a first limiting member 321 and a second limiting member 322, the first limiting member 321 is connected to the lower end of the main rod 311 and extends along the transverse direction, the second limiting member 322 is connected to the front side of the lower end of the first limiting member 321, a limiting groove 323 is formed with the first limiting member 321, and the limiting groove 323 is used for accommodating the lower side of the front windshield installation frame of the vehicle body 100; through the limiting groove 323 is used for clamping the side edge of the mounting frame of the front windshield of the vehicle body 100, the upper ends of the two main rods 311 are correspondingly arranged on the upper side of the mounting frame of the front windshield of the vehicle body 100 in a penetrating manner, so that the mounting part 300 can be stably mounted and hung on the mounting frame of the front windshield of the vehicle body 100 to facilitate subsequent operation.
Specifically, referring to fig. 3, in the present embodiment, each of the hanging beams 313 is provided with a plurality of hanging portions 314, the plurality of hanging portions 314 are arranged at intervals along the extending direction of the hanging beam 313, and each of the hanging portions 314 is provided as an installation groove 3141 penetrating in the vertical direction; the pendant 300 further comprises a connecting piece 330, the connecting piece 330 comprises a bolt 331 and a connecting plate 332, the bolt 331 extends in the vertical direction and is used for being inserted into the mounting groove 3141, the connecting plate 332 extends in the horizontal direction, a plurality of connecting holes distributed at intervals are formed in the connecting plate 332, each connecting hole is used for corresponding to a through hole in the component 200, and the connecting holes and the through holes are connected through bolts, so that the component 200 is mounted on the pendant 300; the connecting piece 330 can be selectively inserted into the mounting groove 3141 at different positions, so that the components 200 with different sizes can be hung on the hanging piece 300, and the universality is improved.
More specifically, referring to fig. 4, the second limiting member 322 is a plurality of rod members extending in the vertical direction, and the rod members are sequentially connected to the front side of the lower end of the main rod 311 in an overlapping manner, and the lower end of the rod member gradually away from the main rod 311 is longer than the lower end of the main rod 311, so that when the accessory 300 is transferred into the vehicle body 100, for example, into the vehicle body 100, the outer surface of the component 200 faces the rear periphery of the vehicle body 100, the upper end of the main rod 311 and the rod members can be respectively inserted into the corresponding through holes of the vehicle body 100, and the component 200 can be mounted in the vehicle body 100.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The vehicle-mounted spraying method for the matte part is characterized by comprising the following steps of:
the method comprises the following steps of (1) hanging a part on a vehicle body, and exposing the appearance surface of the part outwards;
spraying matte paint on the appearance surface of the part, and pre-drying the part and the vehicle body together to obtain a pre-matte part;
turning the appearance surface of the pre-matte part to face the vehicle body;
spraying the vehicle body to obtain a pre-finish vehicle body;
drying the pre-finish paint vehicle body and the pre-matte part together to obtain a finish paint vehicle body and a matte part;
wherein, the step of hanging the part on the vehicle body and exposing the appearance surface of the part outwards further comprises:
the part is arranged in a mounting frame of a front windshield of the vehicle body, and an appearance surface of the part is exposed outwards; or,
the part is hung on the front wall of the vehicle body, and the appearance surface of the part is exposed outwards;
the step of turning the appearance surface of the pre-matte part to face the vehicle body further comprises:
transferring the pre-matte part into the vehicle body, and turning the appearance surface of the pre-matte part to face the rear periphery of the vehicle body; or,
transferring the pre-matte part into the vehicle body, and turning the appearance surface of the pre-matte part to a floor facing the vehicle body;
the step of transferring the pre-matte part into the vehicle body and turning the appearance surface of the pre-matte part to face the rear periphery of the vehicle body further comprises the following steps:
and correspondingly adsorbing the magnetic plate at a window positioned at the rear periphery of the vehicle body to shield the window.
2. The method of vehicle-mounted painting of a matte part according to claim 1, wherein the step of turning the appearance side of the pre-matte part toward the vehicle body further comprises, after:
and polishing the appearance surface of the car body.
3. The method of vehicle-mounted painting of a matte member according to claim 1, wherein the step of attaching the member to a vehicle body and revealing an appearance surface of the member further comprises:
performing a cathode electrophoresis process on the vehicle body and the part to obtain an electrophoresis part and an electrophoresis vehicle body;
and coating a sealant and a stone-hit-preventing adhesive on the electrophoresis part and the electrophoresis vehicle body to obtain the rubber vehicle body and the rubber part.
4. The method of vehicle-mounted spraying of matte parts according to claim 1, wherein the step of spraying said body to obtain a pre-finish further comprises:
sequentially spraying primer, intermediate paint and colored paint on the vehicle body to obtain a primary painted vehicle body;
pre-drying the vehicle body with the primary paint;
and performing varnish spraying on the vehicle body to obtain the pre-finish vehicle body.
5. The method of vehicle-mounted spraying of matte parts according to claim 1, wherein the step of spraying the exterior surface of the part with a matte paint comprises:
and (3) carrying out twice matte paint spraying on the appearance surface of the part, wherein the thickness of a paint film formed on the part by the matte paint sprayed each time is 10-12 mu m.
6. A pendant for use in a method of vehicle-mounted painting of a matte finish part according to any of claims 1 to 5, the pendant comprising:
the hanging rack comprises at least two main rods, a cross beam and at least two hanging beams, the two main rods are arranged at intervals in the transverse direction and extend along the vertical direction, the upper ends of the main rods are used for correspondingly penetrating through the mounting frame of the front windshield of the automobile body, two ends of the cross beam are respectively connected to the middle parts of the two main rods, one ends of the two hanging beams are connected to the cross beam, the other ends of the two hanging beams extend downwards and bend and extend along the transverse direction away from the cross beam, each hanging beam is provided with a hanging part, and the hanging parts are used for being connected with the components; and the number of the first and second groups,
the limiting assembly comprises a first limiting part and a second limiting part, the first limiting part is connected to the lower end of the main rod and extends along the transverse direction, the second limiting part is connected to the front side of the lower end of the first limiting part and is formed with a limiting groove, and the limiting groove is used for containing the lower side edge of the mounting frame of the front windshield of the automobile body.
7. The hanging piece according to claim 6, wherein each hanging beam is provided with a plurality of hanging parts which are arranged at intervals along the extending direction of the hanging beam, and each hanging part is provided with an installation groove which penetrates in the vertical direction;
the hanging piece further comprises a connecting piece, the connecting piece comprises a bolt and a connecting plate, the bolt extends in the vertical direction and is used for being inserted into the mounting groove, the connecting plate extends in the transverse direction, a plurality of connecting holes distributed at intervals are formed in the connecting plate, each connecting hole is used for corresponding to the through hole in the component, and the connecting holes are connected with the through holes through bolts.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210274881.0A CN114643176B (en) | 2022-03-18 | 2022-03-18 | Method for vehicle-mounted spraying of matte part and hanger |
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| CN202210274881.0A CN114643176B (en) | 2022-03-18 | 2022-03-18 | Method for vehicle-mounted spraying of matte part and hanger |
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| CN114643176B true CN114643176B (en) | 2023-04-11 |
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| CN115193620A (en) * | 2022-07-14 | 2022-10-18 | 东风柳州汽车有限公司 | Panel mounting and hanging tool |
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