CN107662342A - The 3D printing system and method for automobile sensor - Google Patents
The 3D printing system and method for automobile sensor Download PDFInfo
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- CN107662342A CN107662342A CN201610609303.2A CN201610609303A CN107662342A CN 107662342 A CN107662342 A CN 107662342A CN 201610609303 A CN201610609303 A CN 201610609303A CN 107662342 A CN107662342 A CN 107662342A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3835—Designing moulds, e.g. using CAD-CAM
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
-
- 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
-
- 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
- B29L2031/752—Measuring equipment
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention discloses a kind of automobile sensor 3D printing system and method.The system includes sensor scan unit, digital modeling unit, file conversion unit, 3D printing unit and the detection unit being sequentially connected.System also includes revision of option unit, and the input of revision of option unit is connected with detection unit, and output end is connected with digital modeling unit.Sensor scan unit is used for scanning sensor entity.Digital modeling unit is used for sensor-based three-dimensional dimension data to draw the mathematical model of sensor.Sensor digital model conversion is with the recognizable file format of 3D printer by file conversion unit.3D printing unit carries out print sensor raw product according to sensor model data file.Detection unit detects to the sensor prototype product of 3D printing unit making, judges whether to meet design requirement.The present invention can shorten original shape product development cycle, reduce development cost, improve product quality.
Description
Technical field
The present invention is on a kind of new manufacture in the research and development and production process applied to automobile sensor, specifically
For, it is related to the 3D printing method of automobile sensor a kind of.
Background technology
Conventional art manufacture automobile sensor typically comprises at least development and production phase.It is existing in development
Prototype product needs to provide product drawing to mould supplier in sensor R＆D process, and supplier does according to product drawing
Original shape product is made in soft mold.In the production phase, existing sensor raw material need by a series of work in process of production
The injection of skill flow, such as resin material, the bending of metal material, shearing, crimping, welding.
At present, the technology of die manufacturing of sensor uses below scheme：
The form construction design of sensor is completed by researching and developing engineer, needs product drawing consigning to mould supply afterwards
Business makes soft mode, and sensor prototype sample is had a fling at after the completion of soft mode exploitation, if prototype hardware has design defect and needs to set
Meter engineer does design alteration, gives mould supplier afterwards and changes soft mode, meets design requirement and visitor in confirmation raw product
Freeze design after the demand of family, and inform mould supplier development volume production mould.
Although existing manufacture can realize the production of sensor housing and profile, in actual production process not
It is evitable following defects to be present：
First, existing sensor manufacture needs manufacture mould in advance, need to manufacture in the sensor development phase soft
Mould, need to manufacture volume production mould before volume production, it is necessary to invest the mould development and maintenance cost of great number.Soft mode be present in development
Development time is grown, somewhat expensive, mass defect problem etc..
Second, wasted in existing sensor production process along with substantial amounts of injected plastics material.
Third, existing sensor needs complicated processing technology, and shape of product can not be excessively complicated.If excessively
The problems such as injection thickness is different, and angle is offset after chip injection, complex manufacturing be present in complexity, production phase.
The content of the invention
For problems of the prior art, it is a primary object of the present invention to provide a kind of automobile sensor 3D printing
System and method.
According to an aspect of the invention, there is provided a kind of automobile sensor 3D printing system, it includes what is be sequentially connected
Sensor scan unit, digital modeling unit, file conversion unit, 3D printing unit and detection unit.Automobile sensor 3D is beaten
Print system further comprises revision of option unit, and the input of program amending unit is connected with detection unit, revision of option list
The output end of member is connected with digital modeling unit.Wherein, sensor scan unit is configurable for scanning sensor entity
Obtain the three-dimensional dimension data of sensor.Digital modeling unit is configurable for sensor-based three-dimensional dimension data to paint
The mathematical model of sensor processed.File conversion unit is configured as the sensor digital model conversion for drawing digital modeling unit
For the sensor model data file for the file format that can recognize that with 3D printer.3D printing unit is configured as according to sensing
Device model data file is printed, and carries out sensor prototype product manufacturing.Detection unit is configured as to 3D printing unit style
The sensor prototype product made is detected, and judges whether to meet design requirement.
As a kind of optional implementation, the system also includes mould development unit, and detection unit detects sensing
Device raw product meets design requirement, then detection unit sends testing result to mould development unit, mould development unit quilt
It is configured to perform mould development action.
As a kind of optional implementation, the mould development unit includes information database, the number of mould supplier
According to sending module and data memory module；Mould development unit is configured to collect the Sensor Design model text for meeting design requirement
Part, and by calling the information of mould supplier to send Sensor Design model file to corresponding mould supplier, and send out
The file and information sent is preserved into the data memory module of mould development unit, for backup.
As a kind of optional implementation, the mould development unit further comprises a mold design software, the mould
Tool design software is configurable for carrying out the platform of mold design according to Sensor Design model file, and user can direct root
Mould pattern is designed according to the exploitation of Sensor Design model file；According further to the information for calling mould supplier, pass through
Data transmission blocks send the mould pattern designed to mould supplier, and the file and information that send are preserved to mould
In the data memory module of development block, for backup.
As a kind of optional implementation, the revision of option unit is configured as detection unit detection 3D printing list
The sensor prototype product of member manufacture is not when meeting design requirement, and position carries out size scanning the defects of to raw product, and will
Scan data compares to obtain correcting action data with defect raw product, and deviation data is inputted into digital modeling unit, with
Repaint the mathematical model of sensor.
As a kind of optional implementation, the revision of option unit includes control unit, data processing unit and letter
Transmit-Receive Unit is ceased, control unit controls the defects of sensor scan unit is to raw product position to do size scanning, and passes through letter
Breath Transmit-Receive Unit receives the scan data, and scan data and defect raw product are compared to obtain correction partially by data processing unit
Difference data, then deviation data is sent to digital modeling unit, is corrected to model data, then by the model data after corrigendum
Send to 3D printer and print.
As a kind of optional implementation, the sensor scan unit includes spatial digitizer；Digital modeling unit
Including computer-assisted mapping software；The file conversion unit is configured as the sensor digital for drawing digital modeling unit
Model conversion is stl file.
According to another aspect of the present invention, there is provided a kind of automobile sensor 3D printing method, it comprises the following steps：
Three-dimensional modeling data scans；
Establish sensor digital model；
Generate file；
Print raw product；
Whether the raw product of detection printing meets design requirement；And
Produce in batches sensor, i.e. when detection printing raw product meet the requirements, produce in batches sensor.
As a kind of optional implementation, described the step of producing sensor in batches, includes passing through 3D printing method volume production
Sensor carries out volume production by mold developing, wherein detecting qualified sensor digital model file or designing the original after freezing
Type product is used for the volume production mould for developing sensor.
As a kind of optional implementation, this method further comprises revision of option step, if beaten in the detection
In the step of whether raw product of print meets design requirement, detect that the raw product of printing does not meet design requirement, then enter
Enter revision of option step, printing solution is modified, and reenter and establish sensor digital model step, until detection is beaten
The raw product of print meets design requirement, into batch production sensor step.
In the optional technical scheme of the present invention, by the way that original shape product development cycle can be shortened with 3D printing technique,
Development cost are reduced, improve product quality, while solve many technological problemses in process of producing product, such as are molded thickness,
The problems such as angle is offset.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the present invention, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the 3D printing method workflow diagram according to the automobile sensor of present pre-ferred embodiments.
Fig. 2 is the module map according to the 3D printing system of the automobile sensor of present pre-ferred embodiments.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the present invention can be mutually combined.
The present invention provides a kind of application of 3D printing technique in automobile sensor research and development and production process, is mainly used in
The research and development and manufacture of sensor housing and contour structures.3D printing is also referred to as increasing material manufacturing, is a kind of rapid shaping technique.3D is beaten
Print is according to mathematical model file, successively increases powdered bond material by 3D printing equipment to manufacture the skill of three-dimensional objects
Art.
As shown in figure 1, in presently preferred embodiments of the present invention, the 3D printing method of automobile sensor mainly includes following step
Suddenly：
Step S1：Three-dimensional modeling data scan, three-dimensional modeling data be sensor three-dimensional dimension data, the three of sensor
Dimension data includes the full-scale parameter of sensor external structure, and the full-scale parameter includes but is not limited to the length and width of sensor housing
The parameters such as height, chamfering, radius；Scanning sensor entity can be realized by spatial digitizer to obtain the three-dimensional of existing sensor
Sized data, it can be used for existing product iteration and new product designs.
In this step, existing sensor physical form structure can be scanned to obtain data by spatial digitizer
Model, after design engineer changes existing design based on the data model, stl file can be identified by exporting as 3D printer
Form, it is input to 3D printer and produces raw product.
Step S2：CAD is modeled, that is, establishes sensor digital model, specifically, being drawn with the 3 d modeling software of specialty
The mathematical model of sensor, for the change of existing product structure and new product development.Design engineer is built using the three-dimensional of specialty
Mould Software on Drawing sensor digital model, it can be stl file that data model is exported as into 3D printer after completion product design
Form, it is input to 3D printer and produces raw product.
Step S3：Stl file is generated, wherein, stl file is threedimensional model file format, and 3 d modeling software can give birth to
Into the active file form that can identify of file format or 3D printer；Design engineer is needed sensor number
The form that 3D printer can read is exported to according to model file.
Step S4：Raw product is manufactured experimently, raw product herein is the pilot sample at Sensor Design initial stage；Raw product
It is the pilot sample produced according to design requirement, is the antenatal model of input amount, for verifies product design and detection product
Quality.
After design engineer completes sensor form construction design using modeling software, export STL formatted files and input
To 3D printer, can model carries out raw product manufacture according to data after 3D printer reads file.
Step S5：Detecting step：Raw product is detected, if raw product is verified by testing, and product
Design requirement and customer requirement, then the design data model file of the sensor can be used for producing in batches or for volume production mould
The exploitation of tool.
Step S6：Revision of option, i.e., if the raw product existing defects of manufacture, such as dimensional accuracy deviation, angle are inclined
Difference etc., design engineer is needed using modeling software modification Sensor Design, then again that sensor model data file is defeated
Enter and manufactured to 3D printer.In this step, size scanning is done to defective locations, scan data and defect raw product is opposed
The step of than obtaining correcting action data, and being back to establish sensor digital model, according to correcting action data correcting model
Data.For example, the position dimension of the raw product mounting hole of 3D printing has deviation, then spatial digitizer is needed to differential location
Do size scanning, and scan data and model data are compared to obtain correcting action data, then by the model data after corrigendum
Send to 3D printer and print.
Step S7：The batch production of product volume production, i.e. sensor, described the step of producing sensor in batches, include passing through 3D
Printing type volume production sensor carries out volume production by mold developing, wherein detecting qualified sensor digital model file or setting
Raw product after meter freezes is used for the volume production mould for developing sensor.
After raw product meets design requirement and design is freezed sensor can be realized using high-volume 3D printer
Housing volume production.If the raw product of 3D printing can meet volume production standard, and the yield of 3D printing also disclosure satisfy that volume production
Demand then can by way of 3D printing volume production.After product design is completed and the raw product that produces meets that design will
Summation customer requirement, the mathematical model file of sensor can pass through large batch of 3D printer and realize in batches after design is freezed
Production.
If carrying out volume production by mold developing, step S7 also includes：The mould of the formal volume production of mould development, i.e. sensor
The exploitation of tool, if 3D printing can not meet that needs carry out volume production mould development during volume production demand.After Sensor Design is freezed,
Be verified 3D printing design frozen product quality and performance it is qualified after, the mathematical model file of sensor can be used for out
The volume production mould of sensor is sent out, realizes that product mass produces.Due to 3D printing precision and repeatability it is high the characteristics of, design freeze
Raw product after knot can be used for developing volume production mould.Need final Sensor Design model file issuing mould confession
Business is answered to develop volume production mould.
Accordingly, the present invention also provides a kind of automobile sensor 3D printing system.As shown in Fig. 2 automobile sensor 3D
Print system includes sensor scan unit 10, digital modeling unit 20, file conversion unit 30, the 3D printing list being sequentially connected
Member 40, detection unit 50 and mould development unit 60.Wherein, sensor scan unit 10 is configurable for scanning sensor reality
Body obtains the three-dimensional dimension data of existing sensor, and it includes spatial digitizer.Digital modeling unit 20 is configurable for
Sensor-based three-dimensional dimension data draw the mathematical model of sensor, and digital modeling unit 20 is for example including computer aided manufacturing
Help mapping software, such as CAD.The sensor digital model that file conversion unit 30 is configured as drawing digital modeling unit 20 turns
It is changed to the sensor model data file for the file format that can recognize that with 3D printer, such as stl file.The quilt of 3D printing unit 40
It is configured to be printed according to sensor model data file, carries out sensor prototype product manufacturing.Detection unit 50 is configured
Sensor prototype product to be manufactured to 3D printing unit 40 detects, and judges whether to meet design requirement.Set if met
Meter requires that then detection unit 50 sends testing result to mould development unit, and mould development unit is configured as performing mould
Exploitation acts.Wherein, mould development unit 60 includes information database, data transmission blocks and the data storage of mould supplier
Module (not shown).Mould development unit 60 is configured to collect the Sensor Design model file for meeting design requirement, and passes through
Call the information of mould supplier to send Sensor Design model file to corresponding mould supplier, and the file that sends and
Information is preserved into the data memory module of mould development unit 60, for backup.Mould supplier is according to Sensor Design
Model carries out mould development.
Furthermore mould development unit 60 may further be configured to include a Die-design Platform (not shown), the mould
Design platform is configurable for carrying out the platform of mold design according to Sensor Design model file, and user can direct basis
Mould pattern is designed in the exploitation of Sensor Design model file.According further to the information for calling mould supplier, pass through number
The mould pattern designed is sent to mould supplier according to sending module, and the file and information that send are preserved to mould and opened
In the data memory module of bill member 60, for backup.
The further revision of option unit 70 of automobile sensor 3D printing system, the input of program amending unit 70 and inspection
Survey unit 50 to connect, the output end of revision of option unit 70 is connected with digital modeling unit 20.Revision of option unit 70 is configured
When not meeting design requirement to detect the sensor prototype product of the manufacture of 3D printing unit 40 when detection unit 50, to printing solution
It is modified, and revised scheme is inputted to digital modeling unit 20, repaints the mathematical model of sensor.
In a preferred embodiment, revision of option unit 70 includes control unit, data processing unit and information transmit-receive
Unit (not shown), control unit controls the defects of sensor scan unit 10 is to raw product position to do size scanning, and leads to
Cross information transmit-receive unit and receive the scan data, scan data and defect raw product are compared to obtain school by data processing unit
Positively biased difference data, then deviation data is sent to digital modeling unit 20, is corrected to model data, then by the mould after corrigendum
Type data send to the 3D printing unit 40 of for example, 3D printer and printed.For example, the position of the raw product mounting hole of 3D printing
Put size and deviation be present, then need spatial digitizer to do size scanning to differential location, and scan data and model data are made
Contrast obtains correcting action data, then the model data after corrigendum is sent to 3D printer and printed.
Present invention solves the problem in that manufacture sensor housing and contour structures with new manufacture.Relative to existing
There is technology, the beneficial effects of the invention are as follows：
First, during 3D printing technique is applied to sensor research and development and produced, the complicated diversified structure of manufacture is without increasing
Cost.Compared with traditional manufacturing technology, 3D printing need not manufacture mould in advance, can save exploitation and safeguard the expense of mould
With.
Second, technology is stacked with the material of 3D printing, assembling is eliminated, shortens supply chain.
3rd, it is fewer than traditional handicraft to the technical ability of producing line operator with 3D printing technique.
4th, with producing a small amount of waste by-product in 3D printing manufacturing process.Compared with traditional manufacturing technology, by
It is increasing material manufacturing in 3D printing, substantial amounts of material will not be wasted in the fabrication process.
5th, it can realize that different raw material merge with 3D printing technique.Compared with traditional manufacturing technology, 3D printing
Do not limited by production site, if having product data model can be in any place 3D printer on realize production.
6th, there is accurate product size repeatability with 3D printing technique.Compared with traditional manufacturing technology, 3D is beaten
The technique can printed without going through complexity produces final products.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of automobile sensor 3D printing system, it is characterised in that the automobile sensor 3D printing system includes connecting successively
Sensor scan unit, digital modeling unit, file conversion unit, 3D printing unit and the detection unit connect, automobile sensor
3D printing system further comprises revision of option unit, and the input of program amending unit is connected with detection unit, and scheme is repaiied
The output end of positive unit is connected with digital modeling unit；Wherein, sensor scan unit is configurable for scanning sensor reality
Body obtains the three-dimensional dimension data of sensor, and digital modeling unit is configurable for sensor-based three-dimensional dimension data
To draw the mathematical model of sensor, file conversion unit is configured as the sensor digital model for drawing digital modeling unit
Be converted to 3D printing unit can recognize that file format sensor model data file, 3D printing unit be configured as according to
3D printing is carried out according to sensor model data file, carries out sensor prototype product manufacturing；Detection unit is configured as beating 3D
The sensor prototype product of print unit making is detected, and judges whether to meet design requirement.
2. automobile sensor 3D printing system according to claim 1, it is characterised in that the system is also opened including mould
Bill member, detection unit detect that sensor prototype product meets design requirement, then detection unit sends testing result to mould
Has development block, mould development unit is configured as performing mould development action.
3. automobile sensor 3D printing system according to claim 2, it is characterised in that the mould development unit includes
Information database, data transmission blocks and the data memory module of mould supplier；Mould development unit is configured to collection and met
The Sensor Design model file of design requirement, and by calling the information of mould supplier to send out Sensor Design model file
Mould supplier corresponding to delivering to, and the file and information that send are preserved into the data memory module of mould development unit,
For backup.
4. automobile sensor 3D printing system according to claim 3, it is characterised in that the mould development unit enters one
Step includes a mold design software, and the mold design software is configurable for carrying out mould according to Sensor Design model file
The platform of design, user directly can design mould pattern according to the exploitation of Sensor Design model file；According further to
The information of mould supplier is called, is sent the mould pattern designed to mould supplier by data transmission blocks, and send out
The file and information sent is preserved into the data memory module of mould development unit, for backup.
5. automobile sensor 3D printing system according to claim 1, it is characterised in that the revision of option unit by with
It is set to when the sensor prototype product of detection unit detection 3D printing unit making does not meet design requirement, to raw product
Defective locations carry out size scanning, and scan data and defect raw product are compared to obtain correcting action data, and will be inclined
Difference data inputs digital modeling unit, to repaint the mathematical model of sensor.
6. automobile sensor 3D printing system according to claim 5, it is characterised in that the revision of option unit includes
Control unit, data processing unit and information transmit-receive unit, control unit control sensor scan unit lack to raw product
Size scanning is done in sunken position, and receives the scan data by information transmit-receive unit, and data processing unit is by scan data with lacking
Sunken raw product is compared to obtain correcting action data, then deviation data is sent to digital modeling unit, and model data is entered
Row corrigendum, then the model data after corrigendum is sent to 3D printer and printed.
7. automobile sensor 3D printing system according to claim 1, it is characterised in that the sensor scan unit bag
Include spatial digitizer；Digital modeling unit includes computer-assisted mapping software；The file conversion unit is configured as number
The sensor digital model conversion that word modeling unit is drawn is stl file.
A kind of 8. automobile sensor 3D printing method, it is characterised in that this method comprises the following steps：
Three-dimensional modeling data scans；
Establish sensor digital model；
Generate file；
Print raw product；
Whether the raw product of detection printing meets design requirement；And
Produce in batches sensor, i.e. when detection printing raw product meet the requirements, produce in batches sensor.
9. automobile sensor 3D printing method according to claim 7, it is characterised in that the batch production sensor
Step includes carrying out volume production by 3D printing method volume production sensor or by mold developing, wherein detecting qualified sensor number
Raw product after word model file or design are freezed is used for the volume production mould for developing sensor.
10. automobile sensor 3D printing method according to claim 9, it is characterised in that this method side of further comprising
Case amendment step, if in the step of whether raw product of the detection printing meets design requirement, detect printing
Raw product does not meet design requirement, then into revision of option step, printing solution is modified, and reenters foundation and pass
Sensor mathematical model step, meet design requirement until detecting the raw product printed, into batch production sensor step.
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| CN201610609303.2A CN107662342A (en) | 2016-07-29 | 2016-07-29 | The 3D printing system and method for automobile sensor |
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| CN107856034B (en) * | 2017-10-18 | 2021-04-20 | 南京师范大学 | Design method for space movement track of manipulator |
| CN114536604A (en) * | 2021-12-30 | 2022-05-27 | 江苏集萃微纳自动化系统与装备技术研究所有限公司 | Flexible material based 3D printing sensor, preparation method and application |
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