CN113239425A - Digital precision manufacturing method and system for surgical instrument - Google Patents
Digital precision manufacturing method and system for surgical instrument Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 42
- 238000012545 processing Methods 0.000 claims abstract description 93
- 238000013461 design Methods 0.000 claims abstract description 86
- 238000003754 machining Methods 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 17
- 241001631030 Explorator Species 0.000 claims abstract description 14
- 238000005242 forging Methods 0.000 claims description 54
- 238000004088 simulation Methods 0.000 claims description 37
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Abstract
The invention relates to a digital precise manufacturing method of surgical instruments, which comprises the steps of completing the three-dimensional modeling of a product according to the specification requirement of the product through a three-dimensional module parameterization template with the product characteristics of the surgical instruments; completing three-dimensional modeling of the blank according to processing process data through a three-dimensional module parameterized template with blank characteristics; completing three-dimensional modeling of the die according to the blank data through a three-dimensional module parameterized template with die characteristics; and completing the three-dimensional modeling of the clamp and the explorator according to the requirements of the machining process of the product by using a three-dimensional module parameterized template with the characteristics of the clamp and the explorator. The invention also relates to a digital precision manufacturing system of the surgical instrument. By adopting the digital precise manufacturing method and the system of the surgical instrument, the aims of improving the design quality and speed of products, improving the quality and efficiency of the production process of the products and enhancing the market competitiveness of the products are fulfilled.
Description
Technical Field
The invention relates to the field of surgical instruments, in particular to a digital precision manufacturing method and a digital precision manufacturing system for surgical instruments.
Background
In order to realize digital manufacturing of surgical instruments, digital manufacturing of products is realized by serially connecting the surgical instrument products in terms of three-dimensional design (modular design) of finished products of the surgical instruments, three-dimensional design (modular design) of blanks, three-dimensional design (modular design) of blank molds, three-dimensional design of tooling fixtures, numerical control machining programming, machining simulation, product detection and the like, and a flow chart is shown in fig. 1.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a digital precise manufacturing method and a digital precise manufacturing system for surgical instruments, which have the advantages of good quality, high efficiency and high product design speed.
In order to achieve the above object, the present invention provides a method and a system for digital precision manufacturing of surgical instruments, comprising:
the digital precise manufacturing method of the surgical instrument is mainly characterized by comprising the following steps:
(1) completing the three-dimensional modeling of the product according to the specification requirement of the product by a three-dimensional module parameterization template with the product characteristics of the surgical instrument;
(2) completing three-dimensional modeling of the blank according to processing process data through a three-dimensional module parameterized template with blank characteristics;
(3) completing three-dimensional modeling of the die according to the blank data through a three-dimensional module parameterized template with die characteristics;
(4) and completing the three-dimensional modeling of the clamp and the explorator according to the requirements of the machining process of the product by using a three-dimensional module parameterized template with the characteristics of the clamp and the explorator.
Preferably, the method further comprises the steps of:
(5) automatically generating and arranging a processing step of a mould, a clamp and a profiling mould according to the three-dimensional modeling of the mould, the three-dimensional modeling of the clamp and the three-dimensional modeling of the profiling mould by a CAM processing module;
(6) automatically finishing the machining three-dimensional modeling according to the machining requirement of the product through a three-dimensional module parameterized template with the machining characteristic of the product;
(7) automatically generating a product machining step according to the three-dimensional modeling of the product machining through a CAM machining module;
(8) and performing machining simulation according to the machining steps through the simulation module.
The system for realizing the digital precise manufacturing of the surgical instrument is mainly characterized by comprising a finished product design parameterized template, a blank design parameterized template, a forging die design parameterized template and a tool fixture design parameterized template, the blank design parameterization template and the tool fixture design parameterization template are both connected with the finished product design parameterization template, the frock clamp design parameterization template is connected with the blank design parameterization template, the forging die design parameterization template is connected with the blank design parameterization template, the finished product design parameterization template is used for completing the three-dimensional modeling of a product, the blank design parameterization template is used for completing the three-dimensional modeling of a blank, the forging die design parameterization template is used for completing three-dimensional modeling of the die, and the tool clamp design parameterization template is used for completing modeling design of the tool clamp.
Preferably, the system further comprises a forging die processing module, a tool clamp module and a product processing module, wherein the forging die processing module is connected with the forging die design parameterization template, the tool clamp module is connected with the tool clamp design parameterization template, and the input end of the product processing module is connected with the forging die processing module and the tool clamp module.
Preferably, the forging die processing module comprises a forging die processing unit and a forging die processing simulation unit, the forging die processing simulation unit is connected with the forging die processing unit, the forging die processing unit is used for processing the forging die, and the forging die processing simulation unit is used for simulating the forging die processing.
Preferably, the tool clamp module comprises a tool clamp machining unit and a tool clamp machining simulation unit, the tool clamp machining simulation unit is connected with the tool clamp machining unit, the tool clamp machining unit is used for machining the tool clamp, and the tool clamp machining simulation unit is used for simulating the machining of the tool clamp.
Preferably, the product processing module comprises a product processing process unit, a product processing unit and a product processing simulation unit, the product processing process unit, the product processing unit and the product processing simulation unit are sequentially connected, and the input end of the product processing process unit is connected with the forging die processing module and the tool clamp module.
By adopting the digital precise manufacturing method and the system of the surgical instrument, in order to realize the digital manufacturing system of the surgical instrument, the digital design (3D), the process design (3D), the digital simulation verification and the unified control of manufacturing information of the surgical instrument are adopted. The design of a two-dimensional engineering drawing of an original surgical instrument product is changed; the design mode taking the two-dimensional engineering drawing as the core is actually a traditional computerized machine for manually drawing the engineering drawing, and due to the lack of information transmission means such as model geometry and the like, the integration and sharing of information are difficult to realize in design and manufacture. Changes the manual processing and the common machining process of the traditional surgical instrument. Therefore, the aims of improving the design quality and speed of the product, improving the quality and efficiency of the production process of the product and enhancing the market competitiveness of the product are fulfilled.
Drawings
FIG. 1 is a flow chart of a prior art digital manufacturing process for a surgical instrument.
FIG. 2 is a template flowchart of the present invention for a digital precision manufacturing method and system of surgical instruments.
Detailed Description
In order to more clearly describe the technical contents of the present invention, the following further description is given in conjunction with specific embodiments.
The digital precise manufacturing method of the surgical instrument comprises the following steps:
(1) completing the three-dimensional modeling of the product according to the specification requirement of the product by a three-dimensional module parameterization template with the product characteristics of the surgical instrument;
(2) completing three-dimensional modeling of the blank according to processing process data through a three-dimensional module parameterized template with blank characteristics;
(3) completing three-dimensional modeling of the die according to the blank data through a three-dimensional module parameterized template with die characteristics;
(4) and completing the three-dimensional modeling of the clamp and the explorator according to the requirements of the machining process of the product by using a three-dimensional module parameterized template with the characteristics of the clamp and the explorator.
As a preferred embodiment of the present invention, the method further comprises the steps of:
(5) automatically generating and arranging a processing step of a mould, a clamp and a profiling mould according to the three-dimensional modeling of the mould, the three-dimensional modeling of the clamp and the three-dimensional modeling of the profiling mould by a CAM processing module;
(6) automatically finishing the machining three-dimensional modeling according to the machining requirement of the product through a three-dimensional module parameterized template with the machining characteristic of the product;
(7) automatically generating a product machining step according to the three-dimensional modeling of the product machining through a CAM machining module;
(8) and performing machining simulation according to the machining steps through the simulation module.
The system for realizing the digital precise manufacturing of the surgical instrument comprises a finished product design parameterized template, a blank design parameterized template, a forging die design parameterized template and a tool clamp design parameterized template, the blank design parameterization template and the tool fixture design parameterization template are both connected with the finished product design parameterization template, the frock clamp design parameterization template is connected with the blank design parameterization template, the forging die design parameterization template is connected with the blank design parameterization template, the finished product design parameterization template is used for completing the three-dimensional modeling of a product, the blank design parameterization template is used for completing the three-dimensional modeling of a blank, the forging die design parameterization template is used for completing three-dimensional modeling of the die, and the tool clamp design parameterization template is used for completing modeling design of the tool clamp.
As a preferred embodiment of the present invention, the system further comprises a forging die processing module, a tooling fixture module and a product processing module, wherein the forging die processing module is connected with the forging die design parameterization template, the tooling fixture module is connected with the tooling fixture design parameterization template, and the input end of the product processing module is connected with the forging die processing module and the tooling fixture module.
As a preferred embodiment of the present invention, the forging die processing module includes a forging die processing unit and a forging die processing simulation unit, the forging die processing simulation unit is connected to the forging die processing unit, the forging die processing unit is used for processing a forging die, and the forging die processing simulation unit is used for simulating the forging die processing.
As a preferred embodiment of the present invention, the tooling fixture module includes a tooling fixture processing unit and a tooling fixture processing simulation unit, the tooling fixture processing simulation unit is connected to the tooling fixture processing unit, the tooling fixture processing unit is used for processing a tooling fixture, and the tooling fixture processing simulation unit is used for simulating the processing of the tooling fixture.
As a preferred embodiment of the present invention, the product processing module includes a product processing unit, and a product processing simulation unit, the product processing unit, and the product processing simulation unit are sequentially connected, and an input end of the product processing unit is connected to the forging die processing module and the tool clamp module.
In the specific implementation mode of the invention, the digital design and manufacture is mainly used in the design and manufacture of surgical instruments. The system comprises a CAD design modeling module, a CAM processing module and a CAE analysis simulation module which use NX. The entire design and manufacturing process is shown in the following table.
TABLE 1 digital design and manufacture of surgical instruments
The invention realizes the above functions by the following digitalization technologies:
and a three-dimensional module parameterization template based on the product characteristics of the surgical instruments automatically completes the three-dimensional modeling of the product according to the product specification requirements.
And (3) automatically finishing the three-dimensional modeling of the blank according to the processing technology data based on the three-dimensional module parameterized template of the blank characteristics.
And (3) automatically finishing the three-dimensional modeling of the die according to the blank data based on the three-dimensional module parameterized template of the die characteristics.
And (3) automatically finishing the three-dimensional modeling of the clamp and the explorator according to the requirements of the machining process of the product by using the three-dimensional module parameterized template based on the characteristics of the clamp and the explorator.
And the CAM processing module based on NX automatically generates processing programs of the die, the clamp and the explorator according to the three-dimensional modeling of the die, the clamp and the explorator.
And (3) automatically finishing the machining three-dimensional modeling according to the machining requirement of the product based on the three-dimensional module parameterized template of the machining characteristic of the product.
And the CAM processing module based on NX automatically generates a product machining program according to the product machining three-dimensional modeling.
And performing machining simulation according to the machining program based on a Vericut simulation module.
The above templates are correlated with each other, that is, if a certain data of the three-dimensional finished product is modified, the corresponding data of all the templates are automatically updated. Meanwhile, all the templates are manufactured by using parameters, after the corresponding data are obtained by all parameter variables, product models with different specifications can be updated, and because the products are completely related to the blank, the die, the clamp and the explorator, the mathematical relation of process variables is established among the modules, the three-dimensional shapes of the blank, the die, the clamp and the explorator with the same specification can be generated in time, which is the connotation of the digital technology.
According to the specification requirement of finished products, the three-dimensional modeling is automatically completed by utilizing a parameter equation established by the template, series products with the same structure only need to share the same template, compared with a method for manufacturing a three-dimensional model singly, the novel technology has the advantages of improving the efficiency, shortening the period, reducing errors, facilitating modification and the like, and the speed of responding to the market in product design and manufacturing is greatly improved. Because the digital technology uses a fully-relevant system, parallel design and real-time cooperation, the labor intensity of designers is greatly reduced, and the three-dimensional drawing speed is several times faster than that of manual drawing.
Variables in the modular parametric design software, except for the size, factors such as functions of instruments, stress conditions, surgical entry points and the like of a finished product need to be considered, machining allowance of the instruments, polishing allowance of the surface and the like need to be considered in blank design, shrinkage rate, waste edge thickness, compensation amount between a pre-forging die and a finish-forging die, drawing inclination and the like need to be considered in forging die design, positioning, clamping and the like need to be considered in tooling clamp design, and through the parametric design and correlation of the 4 templates, design efficiency and quality are improved, and error occurrence rate is reduced. And a corresponding processing program is generated through NX software, and then the processing simulation and program optimization of Vericut simulation software are carried out, so that the processing efficiency of a die, a tool clamp and a machined product is improved, and the speed of the corresponding market of the product is finally improved.
By adopting the digital precise manufacturing method and the system of the surgical instrument, in order to realize the digital manufacturing system of the surgical instrument, the digital design (3D), the process design (3D), the digital simulation verification and the unified control of manufacturing information of the surgical instrument are adopted. The design of a two-dimensional engineering drawing of an original surgical instrument product is changed; the design mode taking the two-dimensional engineering drawing as the core is actually a traditional computerized machine for manually drawing the engineering drawing, and due to the lack of information transmission means such as model geometry and the like, the integration and sharing of information are difficult to realize in design and manufacture. Changes the manual processing and the common machining process of the traditional surgical instrument. Therefore, the aims of improving the design quality and speed of the product, improving the quality and efficiency of the production process of the product and enhancing the market competitiveness of the product are fulfilled.
In this specification, the invention has been described with reference to specific embodiments thereof. It will, however, be evident that various modifications and changes may be made thereto without departing from the broader spirit and scope of the invention. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.
Claims (7)
1. A method for digitally and precisely manufacturing a surgical instrument, which is characterized by comprising the following steps:
(1) completing the three-dimensional modeling of the product according to the specification requirement of the product by a three-dimensional module parameterization template with the product characteristics of the surgical instrument;
(2) completing three-dimensional modeling of the blank according to processing process data through a three-dimensional module parameterized template with blank characteristics;
(3) completing three-dimensional modeling of the die according to the blank data through a three-dimensional module parameterized template with die characteristics;
(4) and completing the three-dimensional modeling of the clamp and the explorator according to the requirements of the machining process of the product by using a three-dimensional module parameterized template with the characteristics of the clamp and the explorator.
2. The method for digitally precision manufacturing a surgical instrument according to claim 1, further comprising the steps of:
(5) automatically generating and arranging a processing step of a mould, a clamp and a profiling mould according to the three-dimensional modeling of the mould, the three-dimensional modeling of the clamp and the three-dimensional modeling of the profiling mould by a CAM processing module;
(6) automatically finishing the machining three-dimensional modeling according to the machining requirement of the product through a three-dimensional module parameterized template with the machining characteristic of the product;
(7) automatically generating a product machining step according to the three-dimensional modeling of the product machining through a CAM machining module;
(8) and performing machining simulation according to the machining steps through the simulation module.
3. A system for digital precision manufacturing of surgical instruments implementing the method of claim 1, it is characterized in that the system comprises a finished product design parameterization template, a blank design parameterization template, a forging die design parameterization template and a tool fixture design parameterization template, the blank design parameterization template and the tool fixture design parameterization template are both connected with the finished product design parameterization template, the frock clamp design parameterization template is connected with the blank design parameterization template, the forging die design parameterization template is connected with the blank design parameterization template, the finished product design parameterization template is used for completing the three-dimensional modeling of a product, the blank design parameterization template is used for completing the three-dimensional modeling of a blank, the forging die design parameterization template is used for completing three-dimensional modeling of the die, and the tool clamp design parameterization template is used for completing modeling design of the tool clamp.
4. The system for digital precision manufacturing of surgical instruments according to claim 1, further comprising a forging die processing module, a tooling fixture module and a product processing module, wherein the forging die processing module is connected with the forging die design parameterization template, the tooling fixture module is connected with the tooling fixture design parameterization template, and the input end of the product processing module is connected with the forging die processing module and the tooling fixture module.
5. The system for digital precision manufacturing of surgical instruments according to claim 4, wherein said forging die processing module comprises a forging die processing unit and a forging die processing simulation unit, said forging die processing simulation unit is connected with said forging die processing unit, said forging die processing unit is used for processing a forging die, and said forging die processing simulation unit is used for simulating the forging die processing.
6. The system for digital precision manufacturing of surgical instruments according to claim 4, wherein the tool clamp module comprises a tool clamp machining unit and a tool clamp machining simulation unit, the tool clamp machining simulation unit is connected with the tool clamp machining unit, the tool clamp machining unit is used for machining the tool clamp, and the tool clamp machining simulation unit is used for simulating the machining of the tool clamp.
7. The system for digital precision manufacturing of surgical instruments according to claim 4, wherein the product processing module comprises a product processing unit, a product processing unit and a product processing simulation unit, the product processing unit and the product processing simulation unit are sequentially connected, and an input end of the product processing unit is connected with the forging die processing module and the tool clamp module.
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- 2021-05-17 CN CN202110532550.8A patent/CN113239425B/en active Active
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| CN101082993A (en) * | 2006-06-02 | 2007-12-05 | 中国农业机械化科学研究院 | Digitization mechanical design method |
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Effective date of registration: 20240724 Address after: Room 1001, No. 1, Lane 683, Shenhong Road, Minhang District, Shanghai, 201107 Patentee after: SHANGHAI MEDICAL INSTRUMENTS (GROUP) LTD. GORP Country or region after: China Patentee after: SHANGHAI MEDICAL INSTRUMENTS (Group) Ltd. CORP SURGICAL INSTRUMENTS FACTORY Address before: 200072 Shanghai city Hongkou District Yuexiu Road No. 351 Patentee before: SHANGHAI MEDICAL INSTRUMENTS (Group) Ltd. CORP SURGICAL INSTRUMENTS FACTORY Country or region before: China |