CN113844054A - Automobile logo and production process thereof - Google Patents
Automobile logo and production process thereof Download PDFInfo
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- CN113844054A CN113844054A CN202110972917.8A CN202110972917A CN113844054A CN 113844054 A CN113844054 A CN 113844054A CN 202110972917 A CN202110972917 A CN 202110972917A CN 113844054 A CN113844054 A CN 113844054A
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- automobile
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/005—Manufacturers' emblems, name plates, bonnet ornaments, mascots or the like; Mounting means therefor
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/54—Electroplating of non-metallic surfaces
- C25D5/56—Electroplating of non-metallic surfaces of plastics
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention provides an automobile logo and a production process thereof, and relates to the technical field of automobiles. This car logo and production technology thereof, including the car logo base, the car logo base is ring shape, the inboard electro-magnet of inlaying in the bottom of car logo base, the upper portion outside of car logo base is provided with the snap ring, snap ring upper portion periphery block has the draw-in groove, the draw-in groove sets up at car logo body inboard, the top of car logo body is provided with the tectorial membrane layer, the inside of snap ring is provided with the color lamp circuit board. Install the car logo on the vehicle through the absorbent mode of electro-magnet, it is convenient to guarantee the installation of car logo, and vertical car logo and laminating formula car logo can be processed in a flexible way to same car logo processing step, and the process steps shortens when making the car logo processing, through to moulding plastics one and mould plastics two steps in the car logo carry out defective products 3D and print the setting of repairing, because the defective products problem of moulding plastics production can be solved in the time of making the car logo production.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to an automobile logo and a production process thereof.
Background
The car logo is called a car logo, and the car logo refers to the logo of various car brands, and the logos are often representatives of car enterprises. The automotive emblem includes: the automobile mark comprises a trademark or a factory mark of an automobile, a product label, an engine model and a factory number, a whole automobile model and a factory number, a vehicle identification code and the like, the automobile is provided with a mark for indicating a manufacturer, a model, engine power, bearing quality, the factory number of the engine and the whole automobile and the like of the automobile, the generalized automobile mark represents various information display marks which are embedded and bonded on the automobile, the narrow automobile mark is the mark arranged on a front windshield grid of the automobile or the mark arranged on the head top of the front part of the automobile, the automobile mark is divided into two types, one is the mark embedded in a front middle net of the automobile, the other is the mark on a cover of the automobile, namely one is a vertical mark, and the other is a bonded automobile mark.
When the automobile logo is used at present, an integrated injection molding mode is mostly adopted, the automobile logo is bonded to a middle net or a machine cover in the front of an automobile after being injected, the automobile often encounters scratch or rain in the driving process, after the environment is severe, the car logo will fall off naturally over time, if the car is not provided with the car logo, the car logo can be punished on the road, the buying of a new car logo is troublesome, secondly, the mounting conditions of the vertical mark and the attaching mark in the production of the existing car logo are different, the processing is also different, two processes are often used in the production of the two car logos, the cost is very high, and finally, in the production of the car logo, as the processing can generate defective products, the semi-finished products of the vehicle logo which are injected and molded are discarded or reworked due to the defects, therefore, not only is production raw materials wasted, but also the production cost is increased, and a good solution for the defective product condition is not provided before.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an automobile logo and a production process thereof, and solves the problems that the automobile logo can fall off in use, only one automobile logo can be produced by the same process, and defective products are inconvenient to process.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an automobile logo, includes the car logo base, the car logo base is ring shape, the bottom inboard of car logo base is inlayed and is had the electro-magnet, the upper portion outside of car logo base is provided with the snap ring, snap ring upper portion periphery block has the draw-in groove, the draw-in groove sets up at car logo body inboard, the top of car logo body is provided with the tectorial membrane layer, the inside of snap ring is provided with the color lamp circuit board.
Preferably, the production process of the automobile logo comprises the following steps:
s1, injection molding: injecting resin materials and the like into the first die through an injection molding machine to form a car logo body;
s2, injection molding II: injecting resin materials and the like into the second mold through an injection molding machine to form a magnetic attraction car logo base;
s3, defective product 3D printing: detecting finished products disassembled in the first injection molding step and the second injection molding step, and repairing parts with defects by using a 3D printing technology;
s4, electroplating treatment: electroplating the vehicle logo in the first injection molding;
s5, film coating treatment: and (3) coating the electroplated car logo or the car logo directly subjected to injection molding.
Preferably, the step S1 specifically operates as follows: the method comprises the steps of extruding a resin material for manufacturing the car logo body into a first mold through an injection molding machine, wherein the injection molding machine adopts a screw type injection molding machine, the injection pressure range is 10-12 kilograms per square centimeter, the mold filling time in injection is controlled to be 2-4 seconds, the cooling waiting time after injection is controlled to be 15-60 seconds, the car logo body is taken out after cooling, the appearance state of the car logo body is checked after the car logo body is taken out, and the good car logo body and the defective car logo body which generates defects in injection molding are separately placed.
Preferably, the step S2 specifically operates as follows: and sleeving the annular electromagnet prepared in advance on a mold core of the second mold, closing the second mold to form a cavity of the injection molding vehicle logo base, extruding molten resin for manufacturing the vehicle logo base into the second mold by using a screw injection molding machine, wherein the extrusion molding conditions are the same as those in the step S1, taking out the vehicle logo base from the second mold after injection molding and cooling, taking out and then checking the appearance state of the vehicle logo base, and separately placing the good vehicle logo base and the defective vehicle logo base.
Preferably, the operation steps in S3 are as follows: the automobile logo body with poor appearance in S1 and the automobile logo base with poor appearance in S2 are independently taken out and placed on an operation station of 3D printing mechanical equipment, the extruded raw materials for the 3D printing mechanical equipment are used for manufacturing the automobile logo body or the automobile logo base, and the defects of the automobile logo body and the automobile logo base are completely filled according to the high precision of 3D printing, so that the automobile logo base with poor appearance and the automobile logo body with poor appearance can be good products.
Preferably, the operation steps in S4 are as follows: electroplating the good vehicle logo body in the step S1 and the good vehicle logo body in the step S3, wherein the electroplating process comprises two steps, namely, if the vehicle logo body is a vertical mark, the electroplating process is carried out once, and if the vehicle logo body is a bonding vehicle logo body of a front middle net, the electroplating process can be carried out on the vehicle logo according to the requirements of the vehicle logo body.
Preferably, the operation steps in the step S5 are as follows: the tectorial membrane that needs the car logo body is cut into and is the same size with the car logo, and the tectorial membrane that this car logo body adopted can be the three-dimensional pattern of printing the car logo, paints the binder with tectorial membrane bonding one deck, and the back-off is inside the die cavity of tectorial membrane mould, later with car logo body back-off inside the die cavity, takes out after the tectorial membrane bonds at car logo body top.
(III) advantageous effects
The invention provides an automobile logo and a production process thereof. The method has the following beneficial effects:
1. the electromagnet is embedded in the automobile logo base when the automobile logo base is subjected to injection molding, a bonding mode can be adopted when the automobile logo base is installed, after the automobile logo is used for a long time, if the automobile logo naturally falls off, the electromagnet in the automobile logo base can be electrified, the automobile logo is adsorbed to the front portion or the rear portion of the automobile due to magnetism, the automobile logo cannot fall off after the automobile logo is used for a long time, a new automobile logo is not required to be purchased in a troublesome mode, meanwhile, the automobile logo cannot violate regulations due to loss, the automobile logo can be directly installed on the automobile in the electromagnet adsorption mode when the automobile logo is installed, and convenience and quickness in installation of the automobile logo are guaranteed.
2. The invention can directly obtain the main body of the car logo through the arrangement of the first injection molding step and the second injection molding step, the arrangement of the clamping of the car logo body and the car logo base ensures that the car logo can be flexibly processed, if the car logo is of a joint type, electroplating can be carried out on the car logo by adopting electroplating treatment, a film coating layer is jointed on the surface of the car logo body by adopting film coating treatment and a film coating mould after electroplating, so that the car logo of the joint type can be well processed, or the car logo body can be directly processed into a finished product by adopting the arrangement of film coating joint alone, if the car logo is the vertical mark, the car logo can be processed only by using the electroplating processing step at this time, the vertical car logo and the attaching type car logo can be flexibly processed by the same car logo processing step, the process steps are shortened when the car logo is processed, the production cost of the car logo is reduced, and the production efficiency of the car logo is also improved.
3. According to the invention, through the arrangement of defective product 3D printing and repairing of the vehicle logo in the injection molding step I and the injection molding step II, the problem of defective products generated by injection molding during vehicle logo production can be solved, and meanwhile, the defective products of the vehicle logo do not need to be discarded or reworked, so that the vehicle logo production cost is saved, the defective product rate is reduced, the vehicle logo production capacity can be increased, the enterprise benefit is ensured, and the vehicle logo production method is worthy of wide popularization.
Drawings
FIG. 1 is a flow chart of the process for producing an automotive emblem of the invention;
FIG. 2 is an exploded view of the emblem base and emblem body of the invention;
FIG. 3 is a schematic structural view of the emblem body according to the present invention;
FIG. 4 is a cross-sectional structural view of the emblem of the invention;
FIG. 5 is a schematic cross-sectional view of a first mold of the present invention;
FIG. 6 is a schematic cross-sectional view of a second mold of the present invention;
FIG. 7 is a schematic cross-sectional view of a film covered mold of the present invention.
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.
The invention provides an automobile logo, which comprises a circular logo base, wherein an electromagnet is embedded in the inner side of the bottom of the automobile logo base, a snap ring is arranged on the outer side of the upper part of the automobile logo base, a clamping groove is clamped on the periphery of the upper part of the snap ring and is arranged on the inner side of an automobile logo body, a film coating layer is arranged on the top of the automobile logo body, and a color lamp is arranged in the snap ring.
The production process of the automobile logo comprises the following steps:
s1, injection molding: injecting resin materials and the like into the first die through an injection molding machine to form a car logo body;
the specific operation steps are as follows: the method comprises the steps of extruding a resin material for manufacturing the car logo body into a first mold through an injection molding machine, wherein the injection molding machine adopts a screw type injection molding machine, the injection pressure range is 10-12 kilograms per square centimeter, the mold filling time in injection is controlled to be 2-4 seconds, the cooling waiting time after injection is controlled to be 15-60 seconds, the car logo body is taken out after cooling, the appearance state of the car logo body is checked after the car logo body is taken out, and the good car logo body and the defective car logo body which generates defects in injection molding are separately placed.
S2, injection molding II: injecting resin materials and the like into the second mold through an injection molding machine to form a magnetic attraction car logo base;
the specific operation steps are as follows: and sleeving the annular electromagnet prepared in advance on a mold core of the second mold, closing the second mold to form a cavity of the injection molding vehicle logo base, extruding molten resin for manufacturing the vehicle logo base into the second mold by using a screw injection molding machine, wherein the extrusion molding conditions are the same as those in the step S1, taking out the vehicle logo base from the second mold after injection molding and cooling, taking out and then checking the appearance state of the vehicle logo base, and separately placing the good vehicle logo base and the defective vehicle logo base.
S3, defective product 3D printing: detecting finished products disassembled in the first injection molding step and the second injection molding step, and repairing parts with defects by using a 3D printing technology;
the specific operation steps are as follows: the automobile logo body with poor appearance in S1 and the automobile logo base with poor appearance in S2 are independently taken out and placed on an operation station of 3D printing mechanical equipment, the extruded raw materials for the 3D printing mechanical equipment are used for manufacturing the automobile logo body or the automobile logo base, and the defects of the automobile logo body and the automobile logo base are completely filled according to the high precision of 3D printing, so that the automobile logo base with poor appearance and the automobile logo body with poor appearance can be good products.
S4, electroplating treatment: electroplating the vehicle logo in the first injection molding;
the specific operation steps are as follows: electroplating the good vehicle logo body in the step S1 and the good vehicle logo body in the step S3, wherein the electroplating process comprises two steps, namely, if the vehicle logo body is a vertical mark, the electroplating process is carried out once, and if the vehicle logo body is a bonding vehicle logo body of a front middle net, the electroplating process can be carried out on the vehicle logo according to the requirements of the vehicle logo body.
S5, film coating treatment: and (3) coating the electroplated car logo or the car logo directly subjected to injection molding.
The specific operation steps are as follows: the tectorial membrane that needs the car logo body is cut into and is the same size with the car logo, and the tectorial membrane that this car logo body adopted can be the three-dimensional pattern of printing the car logo, paints the binder with tectorial membrane bonding one deck, and the back-off is inside the die cavity of tectorial membrane mould, later with car logo body back-off inside the die cavity, takes out after the tectorial membrane bonds at car logo body top.
So, inlay the electro-magnet in its inside when moulding plastics the car logo base, can adopt the mode of bonding in the installation car logo base, after car logo live time is of a specified duration, if the car logo drops naturally, can be with the electro-magnet circular telegram in the car logo base, adsorb the car logo at the vehicle front portion or rear portion because of magnetism, such setting up makes the car logo time of a specified duration also can not drop, need not troublesome new car logo of purchase, the car logo also can not be because of losing violating the regulation simultaneously, also can directly adopt the adsorbed mode of electro-magnet to install the car logo on the vehicle when the car logo is installed, it is convenient to guarantee the installation of car logo. Through the setting of a step of moulding plastics and two steps of moulding plastics, can directly obtain the main part of car logo, can be nimble when car logo body and the setting of car logo base block made the car logo processing, if the car logo is the laminating type, can adopt electroplating treatment to electroplate the car logo this moment, adopt the tectorial membrane to handle after the electroplating and use tectorial membrane mould to laminate the surface at the car logo body with the tectorial membrane layer, can make the fine quilt processing of car logo of laminating type, also can adopt setting up of tectorial membrane laminating alone to make the car logo body directly be processed and be called the finished product, if the car logo is the vertical mark, can only use electroplating treatment step to handle the car logo this time, vertical car logo and laminating formula car logo can be processed in a flexible way to same car logo processing step, technological step shortens when making the car logo processing, make car logo manufacturing cost reduced, car logo production efficiency has also been promoted. Through to moulding plastics one and mould plastics in two steps the car logo carry out defective products 3D and print the setting of repairing, because the defective products problem that produces of moulding plastics can be solved in making the car logo production, the car logo defective products also need not be abandoned or redo simultaneously, so, not only saved car logo manufacturing cost, the reduction of defective products rate also can make the car logo production productivity increase, guarantees the performance of enterprises, is worth widelys popularizing.
For further explaining the above embodiments, referring to the drawings of the specification, the description of the specific embodiments is now made, and as shown in fig. 1-7, an embodiment of the present invention provides an automobile logo, including a logo base 1, the logo base 1 is annular, an electromagnet 6 is embedded in the inner side of the bottom of the logo base 1, a snap ring 2 is disposed on the outer side of the upper portion of the logo base 1, a snap groove 3 is engaged with the outer periphery of the upper portion of the snap ring 2, and the snap ring 2 and the snap groove 3 are engaged, so that a logo body 4 can be well engaged with the top of the logo base 1, such an arrangement can ensure that the logo body 4 can be flexibly replaced, when the logo body 4 is damaged, only the logo body needs to be replaced without repeated bonding and use, the snap groove 3 is disposed on the inner side of the logo body 4, a film coating layer 5 is disposed on the top of the logo body 4, and the film coating layer 5 can be disposed in a solid printing type, thus, the style requirement of the car logo can be flexibly met, the film coating layer 5 not only can be made of TUP material, but also can be made of PC material, the color lamp circuit board 7 is arranged in the snap ring 2, the car logo body 4 can be made of transparent acrylic material, different color lamps can be arranged on the color lamp circuit board 7 at this time, the car logo can be illuminated when going out at night, the car logo can absorb eyeballs very well by combining the three-dimensional pattern of the car logo of the film coating layer 5, when the car logo is used, the car logo is often scratched or falls into rainy days when the car is running, the car logo can naturally fall off after long time due to bad environment, and the new car logo can be bought very trouble, so that the electromagnet 6 is directly arranged on the car logo base 1, the car logo base 1 can be directly adhered to the front middle net of the car, and the car logo base 1 can also be arranged on the front middle net of the car in a matching way of the electromagnet 6, the dual assurance car logo is stable fixed, directly inlays electro-magnet 6 in car logo base 1 when moulding plastics two, can guarantee the firm combination of car logo base 1 and electro-magnet 6 like this, guarantees its fine use, also can directly adopt the absorbent mode of electro-magnet 6 to install car logo body 4 on the vehicle when the car logo installation, guarantees that the installation of car logo is convenient.
The production process of the automobile logo comprises the following steps:
s1, injection molding: injecting resin materials and the like into the first die through an injection molding machine to form a car logo body 4;
s2, injection molding II: injecting resin materials and the like into the second mold through an injection molding machine to form a magnetic attraction car logo base 1;
s3, defective product 3D printing: detecting finished products disassembled in the first injection molding step and the second injection molding step, and repairing parts with defects by using a 3D printing technology;
s4, electroplating treatment: electroplating the vehicle logo in the first injection molding;
s5, film coating treatment: the car logo that will electroplate or directly will mould plastics the car logo in one and carry out the tectorial membrane processing, can directly obtain the main part of car logo through a step of moulding plastics and two steps of moulding plastics, can be nimble when setting up of car logo body 4 and car logo base 1 block makes the car logo process.
The step S1 is specifically performed as follows: extruding a resin material for manufacturing the car logo body 4 into a first mould through an injection molding machine, wherein the injection molding machine adopts a screw type injection molding machine, the injection pressure range is 10-12 kg/square centimeter, the mould filling time in injection is controlled to be 2-4 seconds, the cooling waiting time after injection is controlled to be 15-60 seconds, and the car logo body 4 is taken out after cooling;
and after the automobile logo body 4 is taken out, the appearance state of the automobile logo body 4 is checked, and the good automobile logo body 4 and the defective automobile logo body 4 which is defective in injection molding are separately placed.
The step S2 is specifically performed as follows: and sleeving the annular electromagnet 6 prepared in advance on a mold core of the second mold, closing the second mold to form a cavity of the injection molding car logo base 1, extruding molten resin for manufacturing the car logo base 1 into the second mold by using a screw injection molding machine, wherein the extrusion molding conditions are the same as those in the step S1, taking out the car logo base 1 from the second mold after injection molding and cooling, taking out the car logo base 1, and separately placing the good car logo base 1 and the defective car logo base 1.
The operation steps in S3 are as follows: independently taking out the automobile logo body 4 with poor appearance in S1 and the automobile logo base 1 with poor appearance in S2, placing the automobile logo body 4 and the automobile logo base 1 on an operation station of 3D printing mechanical equipment, wherein the extruded raw materials for the 3D printing mechanical equipment are raw materials for manufacturing the automobile logo body 4 or the automobile logo base 1, the defects of the car logo body 4 and the car logo base 1 are filled according to the high precision of 3D printing, so that the car logo base 1 with defective products and the car logo body 4 with defective products can be made into good products, by setting the 3D printing and repairing of defective products of the car logo in the first injection molding step and the second injection molding step, the problem of defective products caused by injection molding during the production of the car logo can be solved, meanwhile, the defective automobile logo products do not need to be discarded or reworked, so that the production cost of the automobile logo is saved, the defective product rate is reduced, the production capacity of the automobile logo can be increased, and the enterprise benefit is guaranteed.
The operation steps in S4 are as follows: electroplating the good car logo body 4 in the step S1 and the good car logo body 4 in the step S3, wherein the process comprises two steps, wherein if the car logo body is a vertical mark, the electroplating treatment is carried out once, if the car logo body 4 is a front middle net attached car logo body 4, the car logo can be electroplated according to the needs of the car logo body 4, if the car logo is an attachment type, the electroplating treatment can be carried out on the car logo, after electroplating, a film coating mold is used for attaching a film coating layer to the surface of the car logo body 4 by adopting the film coating treatment, the car logo of the attachment type can be well processed, or the car logo body 4 can be directly processed into a finished product by adopting the film coating arrangement, so the car logo can be flexibly electroplated, and the car logo body 4 of the attachment type can be electroplated according to the needs, thus, the car logo body 4 can be suitable for practical use during machining.
The operation steps in the S5 step are as follows: the automobile logo is characterized in that a covering film required by an automobile logo body 4 is cut into the size same as that of the automobile logo, the covering film adopted by the automobile logo body 4 can be a three-dimensional pattern for printing the automobile logo, a layer of covering film is adhered to a layer of coating adhesive and is reversely buckled inside a die cavity of a covering film die, then the automobile logo body 4 is reversely buckled inside the die cavity, the covering film is adhered to the top of the automobile logo body 4 and then taken out, if the automobile logo is a vertical logo, the automobile logo can be treated only by using an electroplating treatment step at this time, the vertical automobile logo and an attached automobile logo can be flexibly processed in the same automobile logo processing step, the process steps during automobile logo processing are shortened, the automobile logo production cost is reduced, and the automobile logo production efficiency is also improved.
It is worth mentioning that the current electroplating process of the automobile logo adopts a trivalent chromium electroplating process, but the current trivalent chromium electroplating process generally contains open-cylinder salt, a stabilizer, a complexing agent and a wetting agent, and the deposited coating has poor corrosion resistance and low hardness and cannot meet the actual industrial production requirements, so that the development of the trivalent chromium electroplating method with strong corrosion resistance and high coating hardness has important significance. Therefore, aiming at the production process of the automobile logo in each embodiment of the invention, the invention provides a trivalent chromium electroplating solution formula and a trivalent chromium electroplating process for producing the automobile logo, namely, the production process of the automobile logo comprises the trivalent chromium electroplating process, so that the problems of poor corrosion resistance and low coating hardness of the automobile logo are solved
In one embodiment of the invention, a trivalent chromium electroplating solution formula for producing automobile logos is provided, which comprises the following raw materials: 8-12g/L of chromium potassium sulfate, 6-8g/L of chromium sulfate, 2-6g/L of basic chromium sulfate, 3-6g/L of sodium sulfate, 2-4g/L of aluminum sulfate, 1-2g/L of acrylic acid-itaconic acid copolymer, 4-8g/L of sodium fluoride, 0.2-2g/L of sulfide, 0.5-1.5g/L of sodium vinyl sulfonate, 0.2-0.6g/L of polyethylene glycol and the balance of water. The molecular weight of the acrylic acid-itaconic acid copolymer is 10000-40000, and the molecular weight of the polyethylene glycol is 400-900. The pH value of the trivalent chromium electroplating solution is 1.8-2.2, and the pH value is adjusted by ammonia water or hydrochloric acid.
The electroplating process of the trivalent chromium electroplating solution for producing the automobile emblem, namely, the electroplating process of the automobile emblem of the invention which adopts the trivalent chromium electroplating solution for electroplating, namely, the production process of the automobile emblem, is also an embodiment of the electroplating treatment of the step S4, and comprises the following steps:
s1, pretreatment
Firstly, placing an automobile logo into a solution containing 400g/L sulfuric acid for coarsening, coarsening for 650-670s at room temperature, recovering the coarsened automobile logo, washing with water, pre-soaking for 1-2min in 260mL/L hydrochloric acid after washing with water, soaking a product into an activation solution, wherein the activation solution contains 300mL/L hydrochloric acid, 2-8g/L stannous chloride and 15-40ppm palladium, soaking for 2min at room temperature, washing with water after soaking, soaking the obtained product in nickel sulfate with the concentration of 20-40mL/L, the pH range of the solution is 10-11, and the soaking time is 4-6min, and then washing with water;
s2, electroplating
Taking the trivalent chromium electroplating solution as an electroplating solution, taking the automobile logo obtained in the step S1 as a cathode, taking an insoluble lead plate as an anode, introducing a direct-current power supply, controlling the current density of the cathode to be 20-30 amperes per square decimeter, controlling the electroplating solution temperature to be 55-60 ℃, controlling the electroplating time to be 2-5 minutes, electroplating the obtained automobile logo in 20-30ml/L sulfuric acid for 60 seconds at normal temperature, continuously electroplating the product, taking the trivalent chromium electroplating solution as the electroplating solution, controlling the electroplating time to be 5-8 minutes, controlling the pH to be 3.7-4.3, controlling the current to be 25-35 amperes per square decimeter, washing the obtained automobile logo with water, electroplating the washed automobile logo with the trivalent chromium electroplating solution as the electroplating solution, controlling the electroplating temperature to be 50-60 ℃, controlling the electroplating time to be 2-3 minutes and controlling the current to be 20-25 amperes per square decimeter, the automobile logo is recovered and then washed with water;
s3, post-processing
And (2) carrying out immersion cleaning treatment on the electroplated automobile logo by using pure water at the temperature of 55-60 ℃, carrying out ultrasonic vibration cleaning on the automobile logo by using the pure water at the room temperature, wherein the ultrasonic frequency is 20-24kHz, and then drying at the drying temperature of 70-90 ℃ for 1-2min to obtain an automobile logo finished product I.
Preferably, the step of S3 further includes the steps of: and continuously electroplating the automobile logo finished product I, wherein the pH value of electroplating solution is 3-4, electroplating is carried out at normal temperature for 1min, the voltage is 5.7V, washing the product at normal temperature for 100s, then drying is carried out, the drying time is 1min, stripping is continuously carried out at the temperature of 30-45 ℃ and the voltage is 7V, and the stripping time is 2-3min, so that an automobile logo finished product II is obtained.
Thus, by using the chromium potassium sulfate, the chromium sulfate and the basic chromium sulfate as a chromium source and using the acrylic acid-itaconic acid copolymer as a complexing agent in the formula, the defect of poor stability of the plating solution caused by using micromolecular carboxylic acid or salt thereof as the complexing agent in the conventional trivalent chromium electroplating is overcome, the polyethylene glycol is used as a wetting agent, the covering capacity of the plating solution can be obviously improved by adding the sodium sulfate and the aluminum sulfate, the corrosion resistance of the chromium layer can be obviously improved, the covering capacity of the automobile logo is strong, the hardness of the chromium layer is high, the corrosion resistance of the chromium layer is high, the plasticity can be increased by adopting the resin prepared by polymerizing the itaconic acid and the acrylic acid as a coating, the chromium layer used as the automobile logo has the advantages of strong adhesive force, attractive color, bad weather resistance and the like, the adhesive with good extrusion performance, strong adhesive force and good physiological adaptability can be prepared, the introduction of the sodium vinylsulfonate can expand the polarization range of the plating solution and increase the cathode polarization capacity of the plating solution, therefore, the refining degree of crystal grains can be further changed, the whiteness of the chromium coating is greatly improved, sodium fluoride is an important fluoride salt, has the functions of corrosion prevention and water treatment, can be used as a protective layer, and plays a role in increasing the wear resistance of the automobile logo in the production of the automobile logo.
To illustrate the electroplating process of the automobile emblem, the following embodiments are further described.
The first embodiment is as follows:
the embodiment of the invention provides a formula of trivalent chromium electroplating solution for producing an automobile logo, which comprises the following raw materials: 8g/L of chromium potassium sulfate, 6g/L of chromium sulfate, 2g/L of basic chromium sulfate, 3g/L of sodium sulfate, 2g/L of aluminum sulfate, 1g/L of acrylic acid-itaconic acid copolymer, 4g/L of sodium fluoride, 0.2g/L of sulfide, 0.5g/L of sodium vinyl sulfonate, 0.2g/L of polyethylene glycol and the balance of water.
The molecular weight of the acrylic acid-itaconic acid copolymer is 10000, and the molecular weight of the polyethylene glycol is 400.
The pH of the trivalent chromium plating solution is 1.8, and is adjusted with ammonia or hydrochloric acid.
The electroplating process of the trivalent chromium electroplating solution for producing the automobile logo comprises the following steps:
a standard iron sheet experimental article with the thickness of 0.1cm and the length and width of 10 x 20cm is adopted as the automobile logo.
M1, pretreatment
Firstly, placing an automobile logo into a solution containing 400g/L sulfuric acid for coarsening, coarsening for 650s at room temperature, recovering the car logo after coarsening, washing with water, pre-soaking in 260mL/L hydrochloric acid for 1min after washing with water, soaking the product in an activation solution, wherein the activation solution contains 300mL/L hydrochloric acid, 2-8g/L stannous chloride and 15ppm palladium, soaking for 2min at room temperature, washing with water after soaking, soaking the obtained product in nickel sulfate with the concentration of 20mL/L, the pH value of the solution is 10, the soaking time is 4min, and then washing with water;
m2, electroplating
Taking trivalent chromium electroplating solution as electroplating solution, taking the automobile logo obtained in the M1 step as a cathode, taking an insoluble lead plate as an anode, introducing a direct-current power supply, controlling the current density of the cathode to be 20 amperes/square decimeter, the temperature of the electroplating solution to be 55 ℃, carrying out electroplating for 2 minutes, carrying out normal-temperature electroplating on the obtained automobile logo for 60 seconds in 20ml/L sulfuric acid, continuously electroplating the product, taking the trivalent chromium electroplating solution as the electroplating solution, carrying out electroplating for 5 minutes, controlling the pH to be 3.7 and controlling the current to be 25 amperes/square decimeter, washing the obtained automobile logo with water, electroplating the washed automobile logo, taking the trivalent chromium electroplating solution as the electroplating solution, carrying out electroplating at the temperature of 50 ℃, carrying out electroplating for 2 minutes and controlling the current to be 20 amperes/square decimeter, and washing the automobile logo after being recovered;
m3, post-treatment
And (3) carrying out immersion cleaning treatment on the electroplated automobile logo by using pure water at 55 ℃, carrying out ultrasonic vibration cleaning on the automobile logo by using the pure water at room temperature, wherein the ultrasonic frequency is 20kHz, and then drying at the drying temperature of 70 ℃ for 1min to obtain an automobile logo finished product I, which is recorded as A1.
The M3 step further includes the steps of: and (3) continuously electroplating the automobile logo finished product I, wherein the pH value of the electroplating solution is 3, the electroplating is carried out at the normal temperature for 1min, the voltage is 5.7V, the product is washed for 100s at the normal temperature, then drying is carried out, the drying time is 1min, deplating is continuously carried out at the temperature of 30 ℃ and the voltage is 7V, the deplating time is 2min, and an automobile logo finished product II, which is marked as B1, is obtained.
Electroplating effect: measuring the microhardness of the chromium coating by using a microhardness meter; the test pieces A1 and B1 were tested in the CASS test (copper accelerated acid salt spray test) for 40 hours without corrosion of the chromium layer, and the results are shown in Table 1.
Example two:
the embodiment of the invention provides a formula of trivalent chromium electroplating solution for producing automobile logos, which comprises the following raw materials: 10g/L of chromium potassium sulfate, 7g/L of chromium sulfate, 4g/L of basic chromium sulfate, 4.5g/L of sodium sulfate, 3g/L of aluminum sulfate, 1.5g/L of acrylic acid-itaconic acid copolymer, 6g/L of sodium fluoride, 1.1g/L of sulfide, 1g/L of sodium vinyl sulfonate, 0.4g/L of polyethylene glycol and the balance of water.
The molecular weight of the acrylic acid-itaconic acid copolymer is 25000, and the molecular weight of the polyethylene glycol is 650.
The pH of the trivalent chromium plating solution is 2, and is adjusted by ammonia water or hydrochloric acid.
The electroplating process of the trivalent chromium electroplating solution for producing the automobile logo comprises the following steps:
the standard iron sheet experiment product with the thickness of 0.1cm and the length and width of 10 x 20cm is adopted as the automobile logo
M1, pretreatment
Firstly, placing an automobile logo into a solution containing 400g/L sulfuric acid for coarsening, coarsening at room temperature for 660s, recovering the coarsened automobile logo, washing with water, pre-soaking in 260mL/L hydrochloric acid for 1.5min after washing with water, soaking the product in an activation solution, wherein the activation solution contains 300mL/L hydrochloric acid, 5g/L stannous chloride and 25ppm palladium, soaking at room temperature for 2min, washing with water after soaking, soaking the obtained product in nickel sulfate with the concentration of 30mL/L, the pH range of the solution is 10, the soaking time is 5min, and then washing with water;
m2, electroplating
Taking trivalent chromium electroplating solution as electroplating solution, taking the automobile logo obtained in the M1 step as a cathode, taking an insoluble lead plate as an anode, introducing a direct-current power supply, controlling the current density of the cathode to be 25 ampere/square decimeter, the temperature of the electroplating solution to be 58 ℃, and the electroplating time to be 3 minutes, electroplating the obtained automobile logo in 25ml/L sulfuric acid at normal temperature for 60s, continuously electroplating the product, taking the trivalent chromium electroplating solution as the electroplating solution, controlling the electroplating time to be 6min, controlling the pH to be 4, controlling the current to be 30 ampere/square decimeter, washing the obtained automobile logo with water, electroplating the washed automobile logo, taking the trivalent chromium electroplating solution as the electroplating solution, controlling the electroplating temperature to be 55 ℃, controlling the electroplating time to be 2.5min, controlling the current to be 22 ampere/square decimeter, and washing the automobile logo after being recovered;
m3, post-treatment
And (3) carrying out immersion cleaning treatment on the electroplated automobile logo by using pure water at the temperature of 55-60 ℃, carrying out ultrasonic vibration cleaning on the automobile logo by using the pure water at the room temperature, wherein the ultrasonic frequency is 22kHz, and then drying at the drying temperature of 80 ℃ for 1.5min to obtain an automobile logo finished product I, which is marked as A2.
The M3 step further includes the steps of: and (3) continuously electroplating the automobile logo finished product I, wherein the pH value of the electroplating solution is 3, the electroplating is carried out at the normal temperature for 1min, the voltage is 5.7V, the product is washed for 100s at the normal temperature, then drying is carried out, the drying time is 1min, deplating is continuously carried out at the temperature of 35 ℃ and the voltage of 7V, the deplating time is 2.5min, and an automobile logo finished product II, which is marked as B2, is obtained.
Electroplating effect: measuring the microhardness of the chromium coating by using a microhardness meter; the test pieces A2 and B2 were tested in a CASS test (copper accelerated acid salt spray test) for 45 hours without corrosion of the chromium layer, and the results are shown in Table 1.
Example three:
the embodiment of the invention provides a formula of trivalent chromium electroplating solution for producing automobile logos, which comprises the following raw materials: 12g/L of chromium potassium sulfate, 8g/L of chromium sulfate, 6g/L of basic chromium sulfate, 6g/L of sodium sulfate, 4g/L of aluminum sulfate, 2g/L of acrylic acid-itaconic acid copolymer, 8g/L of sodium fluoride, 2g/L of sulfide, 1.5g/L of sodium vinyl sulfonate, 0.6g/L of polyethylene glycol and the balance of water.
The molecular weight of the acrylic acid-itaconic acid copolymer is 40000, and the molecular weight of the polyethylene glycol is 900.
The pH of the trivalent chromium plating solution was adjusted to 2.2 with ammonia or hydrochloric acid.
The electroplating process of the trivalent chromium electroplating solution for producing the automobile logo comprises the following steps:
the standard iron sheet experiment product with the thickness of 0.1cm and the length and width of 10 x 20cm is adopted as the automobile logo
M1, pretreatment
Firstly, placing an automobile logo into a solution containing 400g/L sulfuric acid for coarsening, coarsening for 670s at room temperature, recovering the car logo after coarsening, washing with water, pre-soaking in 260mL/L hydrochloric acid for 2min after washing with water, soaking a product in an activation solution, wherein the activation solution contains 300mL/L hydrochloric acid, 8g/L stannous chloride and 40ppm palladium, soaking for 2min at room temperature, washing with water after soaking, soaking the obtained product in nickel sulfate with the concentration of 40mL/L, the pH range of the solution is 11, the soaking time is 6min, and then washing with water;
m2, electroplating
Taking trivalent chromium electroplating solution as electroplating solution, taking the automobile logo obtained in the M1 step as a cathode, taking an insoluble lead plate as an anode, introducing a direct-current power supply, controlling the current density of the cathode to be 30 amperes/square decimeter, the temperature of the electroplating solution to be 60 ℃, carrying out electroplating for 5 minutes, carrying out normal-temperature electroplating on the obtained automobile logo for 60 seconds in 30ml/L sulfuric acid, continuously electroplating the product, taking the trivalent chromium electroplating solution as the electroplating solution, carrying out electroplating for 8 minutes, controlling the pH to be 4.3 and controlling the current to be 35 amperes/square decimeter, washing the obtained automobile logo with water, electroplating the washed automobile logo, taking the trivalent chromium electroplating solution as the electroplating solution, carrying out electroplating at the temperature of 60 ℃, carrying out electroplating for 3 minutes and controlling the current to be 25 amperes/square decimeter, and washing the automobile logo after being recovered;
m3, post-treatment
And (3) carrying out immersion cleaning treatment on the electroplated automobile logo by using pure water at the temperature of 55-60 ℃, carrying out ultrasonic vibration cleaning on the automobile logo by using the pure water at the room temperature, wherein the ultrasonic frequency is 24kHz, and then drying at the drying temperature of 90 ℃ for 1-2min to obtain an automobile logo finished product I, which is marked as A3.
The M3 step further includes the steps of: and (3) continuously electroplating the automobile logo finished product I, wherein the pH value of the electroplating solution is 4, the electroplating is carried out at the normal temperature for 1min, the voltage is 5.7V, the product is washed for 100s at the normal temperature, then drying is carried out, the drying time is 1min, deplating is continuously carried out at the temperature of 45 ℃ and the voltage of 7V, the deplating time is 3min, and an automobile logo finished product II, which is marked as B3, is obtained.
Electroplating effect: measuring the microhardness of the chromium coating by using a microhardness meter; the test pieces A1 and B1 were tested in a CASS test (copper accelerated acid salt spray test) for 50 hours, and no corrosion of the chromium layer was observed, and the results are shown in Table 1.
Table 1 electroplating effect table:
although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an automobile logo, includes the car logo base, its characterized in that, the car logo base is ring shape, the bottom inboard of car logo base is inlayed and is had the electro-magnet, the upper portion outside of car logo base is provided with the snap ring, snap ring upper portion periphery block has the draw-in groove, the draw-in groove sets up at car logo body inboard, the top of car logo body is provided with the tectorial membrane layer, the inside of snap ring is provided with the color lamp circuit board.
2. The process for producing an automotive emblem according to claim 1, characterized by comprising the steps of:
s1, injection molding: injecting resin materials and the like into the first die through an injection molding machine to form a car logo body;
s2, injection molding II: injecting resin materials and the like into the second mold through an injection molding machine to form a magnetic attraction car logo base;
s3, defective product 3D printing: detecting finished products disassembled in the first injection molding step and the second injection molding step, and repairing parts with defects by using a 3D printing technology;
s4, electroplating treatment: electroplating the vehicle logo in the first injection molding;
s5, film coating treatment: and (3) coating the electroplated car logo or the car logo directly subjected to injection molding.
3. The process for producing an automobile emblem according to claim 2, wherein the step S1 is specifically performed by: the method comprises the steps of extruding a resin material for manufacturing the car logo body into a first mold through an injection molding machine, wherein the injection molding machine adopts a screw type injection molding machine, the injection pressure range is 10-12 kilograms per square centimeter, the mold filling time in injection is controlled to be 2-4 seconds, the cooling waiting time after injection is controlled to be 15-60 seconds, the car logo body is taken out after cooling, the car logo body is inspected after being taken out), and the good car logo body and the defective car logo body which generates defects in injection molding are separately placed.
4. The process for producing an automobile emblem according to claim 2, wherein the step S2 is specifically performed by: and sleeving the annular electromagnet prepared in advance on a mold core of the second mold, closing the second mold to form a cavity of the injection molding vehicle logo base, extruding molten resin for manufacturing the vehicle logo base into the second mold by using a screw injection molding machine, wherein the extrusion molding condition is the same as that in the step S1, taking out the vehicle logo base from the second mold after injection molding, taking out the vehicle logo base, and separately placing the good vehicle logo base and the defective vehicle logo base.
5. The process for producing an automotive emblem according to claim 2, wherein the operation steps in S3 are as follows: the automobile logo body with poor appearance in S1 and the automobile logo base with poor appearance in S2 are independently taken out and placed on an operation station of 3D printing mechanical equipment, the extruded raw materials for the 3D printing mechanical equipment are used for manufacturing the automobile logo body or the automobile logo base, and the defects of the automobile logo body and the automobile logo base are completely filled according to the high precision of 3D printing, so that the automobile logo base with poor appearance and the automobile logo body with poor appearance can be good products.
6. The process for producing an automotive emblem according to claim 2, wherein the operation steps in S4 are as follows: electroplating the good vehicle logo body in the step S1 and the good vehicle logo body in the step S3, wherein the electroplating process comprises two steps, namely, if the vehicle logo body is a vertical mark, the electroplating process is carried out once, and if the vehicle logo body is a bonding vehicle logo body of a front middle net, the electroplating process can be carried out on the vehicle logo according to the requirements of the vehicle logo body.
7. The automotive emblem and process for producing the same of claim 2, wherein the operation of step S5 is as follows: the tectorial membrane that needs the car logo body is cut into and is the same size with the car logo, and the tectorial membrane that this car logo body adopted can be the three-dimensional pattern of printing the car logo, paints the binder with tectorial membrane bonding one deck, and the back-off is inside the die cavity of tectorial membrane mould, later with car logo body back-off inside the die cavity, takes out after the tectorial membrane bonds at car logo body top.
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| CN202110972917.8A Pending CN113844054A (en) | 2021-08-24 | 2021-08-24 | Automobile logo and production process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023201402A1 (en) * | 2022-04-19 | 2023-10-26 | Souza Alvaro Hermano De | Arrangement applied to luminous emblems for automobile vehicles |
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| DE19753099A1 (en) * | 1997-11-29 | 1999-06-02 | Volkswagen Ag | Visual jig arrangement to apply badge, logo or trim to automotive bodywork |
| DE202010004813U1 (en) * | 2010-03-31 | 2010-08-19 | Özyurt, Mesut | Device for detachably securing a radiator / emblem (A) to parts of a motor vehicle |
| CN206812916U (en) * | 2017-01-18 | 2017-12-29 | 徐奎 | A kind of Luminous vehicle mark |
| CN208609063U (en) * | 2018-05-31 | 2019-03-15 | 科盾科技股份有限公司 | A kind of Portable thermal imaging camera device |
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2021
- 2021-08-24 CN CN202110972917.8A patent/CN113844054A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19753099A1 (en) * | 1997-11-29 | 1999-06-02 | Volkswagen Ag | Visual jig arrangement to apply badge, logo or trim to automotive bodywork |
| DE202010004813U1 (en) * | 2010-03-31 | 2010-08-19 | Özyurt, Mesut | Device for detachably securing a radiator / emblem (A) to parts of a motor vehicle |
| CN206812916U (en) * | 2017-01-18 | 2017-12-29 | 徐奎 | A kind of Luminous vehicle mark |
| CN208609063U (en) * | 2018-05-31 | 2019-03-15 | 科盾科技股份有限公司 | A kind of Portable thermal imaging camera device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023201402A1 (en) * | 2022-04-19 | 2023-10-26 | Souza Alvaro Hermano De | Arrangement applied to luminous emblems for automobile vehicles |
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