CN114700476A - Method for manufacturing radar camera assembly - Google Patents
Method for manufacturing radar camera assembly Download PDFInfo
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- CN114700476A CN114700476A CN202210289082.0A CN202210289082A CN114700476A CN 114700476 A CN114700476 A CN 114700476A CN 202210289082 A CN202210289082 A CN 202210289082A CN 114700476 A CN114700476 A CN 114700476A
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- Prior art keywords
- camera assembly
- radar camera
- die
- radar
- assembly according
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2218—Cooling or heating equipment for dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2236—Equipment for loosening or ejecting castings from dies
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/20—Pretreatment
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Laser Beam Processing (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of automobile part manufacturing, and particularly relates to a method for manufacturing a radar camera assembly. The method for manufacturing the radar camera assembly comprises the following steps: s1, blank die casting, S2, five-axis processing, S3, electrophoresis and S4, laser etching. The method for manufacturing the radar camera assembly has the advantages of simple process and high yield.
Description
Technical Field
The invention belongs to the technical field of automobile part manufacturing, and particularly relates to a method for manufacturing a radar camera assembly.
Background
The vehicle-mounted radar mainly comprises a speed measuring radar, a self-adaptive cruise control radar, an anti-collision radar and other vehicle monitoring radars, and is mainly used for safe driving of an automobile. Some vehicle-mounted radars are used for preventing traffic accidents, casualties and property losses caused by the vehicle accidents are reduced, some vehicle-mounted radars bear attention, judgment and technical work, driving strength is reduced, burden of drivers is reduced, numerous vehicle-mounted radars need radar camera assemblies to be integrated, integration level is improved, interference among various radars is avoided, the existing radar camera assemblies are processed by firstly die-casting blanks and then drilling, but the existing die-casting method is only die-casting of upper dies and lower dies, liquid injection amount is not easy to control in the die-casting process, materials are easy to deform in the subsequent drilling process, product precision is affected, and the yield is low.
Disclosure of Invention
The invention aims to provide a method for manufacturing a radar camera assembly, and aims to solve the technical problems that the radar camera assembly in the prior art is complex in manufacturing method and low in yield.
In order to achieve the above object, an embodiment of the present invention provides a method for manufacturing a radar camera assembly, including the following steps:
s1, die-casting blank
Preparing a radar camera assembly forming die, wherein the radar camera assembly forming die comprises an upper forming die and a lower forming die, an external release agent is sprayed on the molded surfaces of the upper forming die and the lower forming die, the die is heated, aluminum liquid is injected into a die-casting blank after die assembly, the pressure in a die cavity of the die is kept unchanged, cooling is carried out, and a loose core is taken out after solidification and forming;
s2. five-axis machining
Cleaning the surface of the blank, fixing the radar camera assembly prepared in the step S1 on a punching clamp, machining the radar camera assembly by adopting a CNC five-axis machine tool, cleaning the surface of the radar camera assembly after the machining is finished, and removing burrs and flying chips generated by punching;
s3. electrophoresis
Sequentially polishing, hole sealing, homogenizing, deoiling, derusting and phosphorizing the bottom surface of the radar camera assembly processed in the step S2, and performing electrophoresis on the bottom surface of the radar camera assembly according to product requirements;
s4. laser etching
And marking the part, needing to be electrified, of the radar camera assembly subjected to S3 electrophoresis, and then adding laser carving treatment.
In the above S1, the molding die is a three-row core back die, which includes three rows.
In the step S1, the cooling time during the die casting of the blank is 2 to 4 minutes.
In the step S1, the temperature of the mold is controlled to be 40-80 ℃, the heating temperature of the injection molding material cylinder is 200-280 ℃, and the temperature of the hot runner of the mold is 260-340 ℃.
In the above S2, when the surface of the blank is cleaned before five-axis machining, all burrs generated by die casting should be removed, and the surface is not allowed to have impurities.
In the above S2, root chipping is required in five-axis machining, and the flatness and perpendicularity of the product are less than 2 wires.
In the step S3, the degreasing solution is hot alkaline chemical degreasing liquid, the temperature is 40-80 ℃, and the time is 15-30 minutes.
In S3 above, the electrophoretic thickness is less than 2 mm.
In the above S4, before laser etching, a protection process is required to be performed on the CNC-processed tooth hole.
In S4, the radar camera assembly is engraved by a fiber laser marker.
One or more technical solutions in the method for manufacturing a radar camera assembly provided by the embodiment of the present invention have at least one of the following technical effects: the method for manufacturing the radar camera assembly adopts five-axis machining and laser etching treatment, solves the problems of long and complicated process and low yield of the traditional preparation method, and has the advantages of simple process and high yield.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a radar camera assembly provided in an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a forming upper die of a radar camera assembly according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the invention.
In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only used for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In an embodiment of the present invention, as shown in fig. 1 to 2, a method for manufacturing a radar camera assembly is provided, which includes the following steps:
s1, die-casting blank
Preparing a radar camera assembly forming die, wherein the radar camera assembly forming die comprises an upper forming die and a lower forming die, an external release agent is sprayed on the molded surfaces of the upper forming die and the lower forming die, an aluminum liquid is injected into a die-casting blank, the pressure in a die cavity of the die is kept unchanged, the blank is cooled, and a loose core is taken out after solidification and forming;
s2. five-axis machining
Cleaning the surface of the blank, fixing the radar camera assembly prepared in the step S1 on a punching clamp, machining the radar camera assembly by adopting a CNC five-axis machine tool, cleaning the surface of the radar camera assembly after the machining is finished, and removing burrs and flying chips generated by punching;
s3. electrophoresis
Sequentially polishing, hole sealing, homogenizing, deoiling, derusting and phosphorizing the bottom surface of the radar camera assembly processed in the step S2, and performing electrophoresis on the bottom surface of the radar camera assembly according to product requirements;
s4. laser etching
And marking the part, needing to be electrified, of the radar camera assembly subjected to S3 electrophoresis, and then adding laser carving treatment.
The method for manufacturing the radar camera assembly adopts five-axis machining and laser etching treatment, solves the problems of long and complicated process and low yield of the traditional preparation method, and has the advantages of simple process and high yield.
In another embodiment of the present invention, in order to form a die-casting blank with a complicated structure in one step, the forming mold in S1 is a three-row core-pulling mold, which includes three rows.
In another embodiment of the present invention, in order to ensure the solidification effect of the die-casting blank, the cooling time during the die-casting of the blank in S1 is 2 to 4 minutes.
In another embodiment of the invention, in order to ensure the quality of the die-casting blank, the temperature of the die is controlled to be 40-80 ℃, the heating temperature of the injection molding charging barrel is 200-280 ℃, and the hot runner temperature of the die is 260-340 ℃.
In another embodiment of the present invention, in order to prevent the machining precision from being affected by impurities on the surface of the product in the five-axis machining, all burrs generated by die casting of the blank are removed when the surface of the blank is cleaned before the five-axis machining in the above step S2, and the surface is not allowed to have impurities.
In another embodiment of the present invention, in order to ensure the precision of the product, the root needs to be back-rooted in the five-axis machining in S2, and the flatness and perpendicularity of the product are less than 2 wires.
In another embodiment of the present invention, in order to ensure the oil removing effect, the oil removing solution in S3 is a hot alkaline chemical oil removing liquid, the temperature is 40 to 80 ℃, and the time is 15 to 30 minutes.
In another embodiment of the present invention, in order to ensure that the camera can be mounted, the electrophoretic thickness is less than 2 mm in S3.
In another embodiment of the present invention, in order to prevent the laser etching process from damaging the tooth hole, a protection process is required to be performed on the CNC-processed tooth hole before the laser etching in S4.
In another embodiment of the present invention, in the step S4, the radar camera assembly is engraved by using a fiber laser marking machine, and the fiber laser marking machine has the characteristics of good beam quality, high electro-optical conversion efficiency, small volume, high speed, long service life, flexible and convenient installation, maintenance-free property, and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A method of making a radar camera assembly, comprising the steps of:
s1, die-casting blank
Preparing a radar camera assembly forming die, wherein the radar camera assembly forming die comprises an upper forming die and a lower forming die, an external release agent is sprayed on the molded surfaces of the upper forming die and the lower forming die, the die is heated, aluminum liquid is injected into a die-casting blank after die assembly, the pressure in a die cavity of the die is kept unchanged, cooling is carried out, and a loose core is taken out after solidification and forming;
s2. five-axis machining
Cleaning the surface of the blank, fixing the radar camera assembly prepared in the step S1 on a punching clamp, machining the radar camera assembly by adopting a CNC five-axis machine tool, cleaning the surface of the radar camera assembly after the machining is finished, and removing burrs and flying chips generated by punching;
s3. electrophoresis
Sequentially polishing, hole sealing, homogenizing, deoiling, derusting and phosphorizing the bottom surface of the radar camera assembly processed in the step S2, and performing electrophoresis on the bottom surface of the radar camera assembly according to product requirements;
s4. laser etching
And marking the part, needing to be electrified, of the radar camera assembly subjected to S3 electrophoresis, and then adding laser carving treatment.
2. The method for producing a radar camera assembly according to claim 1, wherein in S1 the molding die is a three-row core back die including three rows.
3. The method for manufacturing a radar camera assembly according to claim 1, wherein the cooling time is 2 to 4 minutes when the blank is press-cast in S1.
4. The method for producing a radar camera assembly according to claim 1, wherein in the step S1, the mold temperature is controlled to 40 to 80 ℃, the injection cylinder heating temperature is controlled to 200 to 280 ℃, and the mold hot runner temperature is controlled to 260 to 340 ℃.
5. The method for producing a radar camera assembly according to claim 1, wherein all burrs produced by die-casting the blank are removed when the surface of the blank is cleaned before the five-axis machining in S2.
6. The method for manufacturing a radar camera assembly according to claim 1, wherein root chipping is required in the five-axis machining in S2, and the flatness and perpendicularity of the product are less than 2 wires.
7. The method for producing a radar camera assembly according to any one of claims 1 to 5, wherein the degreasing solution in S3 is a hot alkaline chemical degreasing liquid, and the temperature is 40 to 80 ℃ and the time is 15 to 30 minutes.
8. The method for producing a radar camera assembly according to any one of claims 1 to 5, wherein the electrophoretic thickness in the step S3 is less than 2 mm.
9. The method of any one of claims 1 to 5, wherein a protective treatment is applied to the CNC-machined tooth hole before laser etching in S4.
10. The method for producing a radar camera assembly according to any one of claims 1 to 5, wherein the radar camera assembly is engraved in S4 using a fiber laser marker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210289082.0A CN114700476A (en) | 2022-03-22 | 2022-03-22 | Method for manufacturing radar camera assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210289082.0A CN114700476A (en) | 2022-03-22 | 2022-03-22 | Method for manufacturing radar camera assembly |
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| Publication Number | Publication Date |
|---|---|
| CN114700476A true CN114700476A (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210289082.0A Pending CN114700476A (en) | 2022-03-22 | 2022-03-22 | Method for manufacturing radar camera assembly |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294458A (en) * | 2010-06-25 | 2011-12-28 | 比亚迪股份有限公司 | Die cast and production process thereof |
| CN104342700A (en) * | 2013-08-08 | 2015-02-11 | 天津祥和兴金属制品有限公司 | Etching production line of precise electronic part |
| CN104514025A (en) * | 2015-01-22 | 2015-04-15 | 虞正云 | Novel electroplating tinting process |
| CN104690244A (en) * | 2015-03-13 | 2015-06-10 | 格林精密部件（惠州）有限公司 | Manufacturing process for aluminum-containing die-casting shell capable of anodic oxidation |
| KR20190063517A (en) * | 2017-11-30 | 2019-06-10 | 주식회사 신한정밀 | Manufacturing method of die casting castings |
| CN110125304A (en) * | 2019-06-05 | 2019-08-16 | 南京吉凯微波技术有限公司 | The die-casting forming die of radar antenna mounting rack and its semi-finished product, device and method |
| CN111037214A (en) * | 2019-12-02 | 2020-04-21 | 伯恩光学(惠州)有限公司 | Steel-aluminum composite material processing technology |
| CN113953785A (en) * | 2021-11-19 | 2022-01-21 | 苏州诚镓精密制造有限公司 | Forming process for plane butt joint of section aluminum and die-cast aluminum |
-
2022
- 2022-03-22 CN CN202210289082.0A patent/CN114700476A/en active Pending
Patent Citations (8)
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|---|---|---|---|---|
| CN102294458A (en) * | 2010-06-25 | 2011-12-28 | 比亚迪股份有限公司 | Die cast and production process thereof |
| CN104342700A (en) * | 2013-08-08 | 2015-02-11 | 天津祥和兴金属制品有限公司 | Etching production line of precise electronic part |
| CN104514025A (en) * | 2015-01-22 | 2015-04-15 | 虞正云 | Novel electroplating tinting process |
| CN104690244A (en) * | 2015-03-13 | 2015-06-10 | 格林精密部件（惠州）有限公司 | Manufacturing process for aluminum-containing die-casting shell capable of anodic oxidation |
| KR20190063517A (en) * | 2017-11-30 | 2019-06-10 | 주식회사 신한정밀 | Manufacturing method of die casting castings |
| CN110125304A (en) * | 2019-06-05 | 2019-08-16 | 南京吉凯微波技术有限公司 | The die-casting forming die of radar antenna mounting rack and its semi-finished product, device and method |
| CN111037214A (en) * | 2019-12-02 | 2020-04-21 | 伯恩光学(惠州)有限公司 | Steel-aluminum composite material processing technology |
| CN113953785A (en) * | 2021-11-19 | 2022-01-21 | 苏州诚镓精密制造有限公司 | Forming process for plane butt joint of section aluminum and die-cast aluminum |
Non-Patent Citations (1)
| Title |
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