Tire construction method based on three-dimensional design

Abstract

The invention belongs to the technical field of tire processing, and particularly relates to a tire construction method based on three-dimensional design, which comprises two molding equipment construction design calculation methods of a primary method and a secondary method, improves the construction design efficiency of tire construction designers, improves the construction design level, reduces the construction error rate, and reduces the construction cost. The tire construction design accuracy is improved, and the difference between the section size of a tire finished product and a tire material distribution diagram is reduced, so that the product research and development accuracy is improved, the one-time success rate of tire construction design is improved, the occurrence rate of tire appearance problems is reduced, the tire half-part standardization degree is improved, and the part types are reduced, and the purposes of improving the tire production efficiency and reducing the cost are achieved. The tire production cost is reduced, the product research and development time of a company is effectively shortened, the construction mark is automatically exported and generated, and the manual parameter input and calculation time of construction designers is shortened.

Description

Technical Field

[0001] The invention belongs to the technical field of tire processing, and in particular relates to a tire construction method based on three-dimensional design. Background Art

[0002] With the increasing application of 3D design and the increasing degree of automation, tire construction design, as the most critical link between tire product design and tire process production, is of self-evident importance. The most core part of tire construction is the design of each semi-component of the tire, which is not only related to the various performances of the tire, but also involves the tire production cost, production efficiency, product standardization, consistency and other aspects.

[0003] Most of the traditional design methods are based on two-dimensional drawings for calculation and design, and the construction of half parts is calculated based on two-dimensional CAD drawings. The parameter problems involved include: 1. It can only be measured manually; 2. The two-dimensional drawing cannot effectively and quickly calculate the volume, and it is even more impossible to assign density to each component of the tire material distribution diagram to calculate and measure the half weight. Summary of the invention

[0004] The purpose of the present invention is to provide a tire construction method based on three-dimensional design, to improve the construction design efficiency of tire construction designers, and to improve the construction design level and reduce the construction error rate, so as to solve the problems in the prior art raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a tire construction method based on three-dimensional design, which utilizes a three-dimensional design platform to perform tire construction design, including two molding equipment construction design calculation methods, namely, primary method and secondary method, wherein: the primary method construction design platform includes a three-dimensional design platform and a secondary development program, which are used for three-dimensional design of material distribution diagrams and volume calculation of various tire components; the secondary method construction design is used to adjust the secondary method construction design module according to different molding processes, equipment, tooling and automation levels, including specific molding parameters, semi-finished product component processing and positioning parameters.

[0006] Preferably, the one-step construction design platform includes a tire specification basic parameter information module for recording tire blank code, tire product number, construction time and tire specification parameters.

[0007] Preferably, the tire specification basic parameter information module includes a tire product information module, which is used for calculating the pattern, trademark information and product weight.

[0008] Preferably, the tire specification basic parameter information module includes a mold and profile parameter module, which is used to set the mold type, size and parameters of various parts of the tire, and supports the selection of a wound mold, a two-half mold and an active two-half mold.

[0009] Preferably, the tire specification basic parameter information module includes a tire blank molding parameter module for refining the molding category, equipment, drum type, method and inner contour of the material distribution diagram, and parameters of the carcass drum and belt drum.

[0010] Preferably, the tire specification basic parameter information module includes a carcass drum semi-finished product module for recording the design parameters of the inner liner, PA composite, sidewall composite, carcass and steel rim.

[0011] Preferably, the secondary method construction design module excludes PA composite parts from the semi-finished product module and increases the sidewall positioning parameters to adapt to different molding processes.

[0012] Preferably, the three-dimensional design platform is used to provide a material distribution map module to generate a three-dimensional model of a finished tire component.

[0013] Preferably, the three-dimensional design platform includes a weight module for obtaining weight information of each component and calculating the overall tire weight in combination with density data of the material library.

[0014] Preferably, the dimensional information exported by the three-dimensional design platform through the secondary development interface is compared with the actual tire section data.

[0015] Technical effects and advantages of the present invention: Compared with the prior art, the tire construction method based on three-dimensional design proposed by the present invention has the following advantages:

[0016] The present invention improves the construction design efficiency of tire construction designers, improves the construction design level, reduces the construction error rate, improves the accuracy of tire construction design, reduces the difference between the cross-sectional size of the finished tire and the tire material distribution map, thereby improving the accuracy of product research and development, improving the one-time success rate of tire construction design, reducing the incidence of tire appearance problems, improving the standardization of tire semi-components, and reducing the types of components, thereby improving tire production efficiency, reducing tire production costs, effectively shortening the company's product development time, realizing automatic export and generation of construction standards, and reducing the time for construction designers to manually input parameters and calculations. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an operation flow chart of the tire construction method based on three-dimensional design in an embodiment of the present invention;

[0018] Figure 2 is a block diagram of a construction design system based on a three-dimensional design platform in an embodiment of the present invention;

[0019] Figure 3 is a distribution diagram of tire materials of the present invention;

[0020] Figure 4A schematic diagram of the dimension information of the tire drawing of the present invention;

[0021] In the figure: 1. tire body; 2. tire tread; 3. base rubber; 4. first belt layer; 5. second belt layer; 6. tire inner liner; 7. apex rubber core; 8. steel rim. DETAILED DESCRIPTION

[0022] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. The specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] The present invention provides a tire construction method based on three-dimensional design. The method uses a three-dimensional design platform to perform tire construction design, including two molding equipment construction design calculation methods: a primary method and a secondary method, wherein:

[0024] The one-step construction design platform includes a 3D design platform and a secondary development program, which are used for 3D design of material distribution diagrams and volume calculation of various tire components;

[0025] Specifically, the one-step construction design platform includes a tire specification basic parameter information module for recording tire blank code, tire product number, construction time and tire specification parameters.

[0026] Furthermore, the tire specification basic parameter information module includes:

[0027] Tire product information module, used for tread pattern, brand information and product weight calculation.

[0028] The mold and profile parameter module is used to set the mold type, size and parameters of various parts of the tire, and supports the selection of winding molds, two-half molds and flexible two-half molds.

[0029] The tire blank forming parameter module is used to refine the forming category, equipment, drum type, method and material distribution map inner contour, as well as the parameters of the tire body drum and belt drum.

[0030] Carcass drum semi-finished product module, used to record the design parameters of inner liner, PA compound, sidewall compound, carcass and steel ring.

[0031] Furthermore, the 3D design platform is used to provide a material distribution map module to generate a 3D model of the finished tire components. The 3D design platform includes a weight module, which is used to obtain the weight information of each component and calculate the overall tire weight in combination with the density data of the material library. The dimensional information exported by the 3D design platform through the secondary development interface is compared with the actual tire section data.

[0032] The secondary construction design is used to adjust the secondary construction design module according to the different molding processes, equipment, tooling and automation levels, including specific molding parameters, semi-finished product component processing and positioning parameters. Preferably, the secondary construction design module excludes PA composite parts in the semi-finished product module and adds sidewall positioning parameters to adapt to different molding processes.

[0033] For ease of understanding, a detailed description will be given below in conjunction with specific embodiments.

[0034] like Figure 1 As described above, a tire construction method based on three-dimensional design involved in this embodiment includes: inputting information to a construction design system based on a three-dimensional design platform and the three-dimensional design platform obtaining data materials from a database, and after the construction design system of the three-dimensional design platform exports data for review and confirmation, the PDF file is exported by importing office documents (Excel / wps) and signed to generate a construction standard file.

[0035] In this embodiment, the molding equipment is divided into two categories according to different molding equipment. One category is the construction design and calculation method of the primary molding equipment, and the other category is the construction design and calculation method of the secondary molding equipment.

[0036] The one-step construction design platform for tire embryos includes a three-dimensional design platform and a secondary development program developed based on the three-dimensional design platform. Its contents are mainly:

[0037] By performing three-dimensional design on the tire material distribution map based on three-dimensional design, calculations are performed on each half component of the tire based on the three-dimensional design of material distribution, which mainly includes the volume calculation of the tire tread 2 component. The tread component mainly includes the volume calculation of the base rubber 3 and the volume calculation of the crown rubber. Depending on whether there is side wing rubber, it also includes the volume calculation of the wing rubber. The side wall components mainly include the volume calculation of the side wall rubber component and the volume calculation of the sub-mouth rubber component.

[0038] The one-step construction design and tire construction design are mainly divided into several modules:

[0039] The first is the basic parameter information module of tire specifications, which mainly includes the tire embryo code, tire product number information, construction and issuance time, and its tire specification information is further subdivided into tire section width, aspect ratio, rim size, speed level, etc.

[0040] Second, the tire product information module, which mainly includes tire pattern information, tire trademark information, product weight calculation, etc.

[0041] Third, the mold and profile parameter information module mainly includes mold type, mold diameter, running surface width, section height, rim diameter, mold groove depth, tread to belt layer depth, base rubber thickness, among which the mold types are divided into wound mold, two-half mold, flexible two-half mold, etc.

[0042] Fourth, the tire blank molding parameter module mainly includes molding category, molding equipment, tire drum type, molding method, structure type, crown band winding method, tire body wrapping method, contour arc length in material distribution diagram, cord stretch value, etc.

[0043] In addition, this module can be divided into two types according to the different molding equipment. One is the one-time design, and its tire drum type is a mechanical drum. This module also includes a carcass drum and a belt drum. The carcass drum includes the carcass drum diameter, carcass drum circumference, flat width calculation value, and flat width actual value; the belt drum includes the circumference calculation value, circumference value, molding radial expansion coefficient C, vulcanization radial expansion coefficient F, tire comprehensive actual expansion calculation value C+F, crown strip drum upper circumference, tread drum upper outer circumference calculation value, mold groove bottom radius and tire blank outer diameter, and tire blank circumference value.

[0044] Fifth, the carcass drum semi-finished product module, which includes the tire inner liner 6, PA composite, sidewall composite, carcass, steel ring, belt, and the inner liner includes the inner liner code, airtight layer rubber code, airtight layer width, airtight layer thickness, airtight layer length, lifting drum circumference difference, airtight layer weight, in addition to the transition layer, transition layer rubber code, airtight layer and transition layer difference, transition layer width, transition layer thickness, transition layer length, transition layer weight;

[0045] The PA composite includes PA width, sidewall and inner liner overlap, sidewall and flat width overlap, sidewall belt padding, and sidewall total width. The PA width includes calculated value and actual value, the sidewall and flat width overlap includes reference standard value and actual value, the sidewall belt padding is divided into actual value and standard value, and the sidewall total width includes calculated value and actual value.

[0046] The sidewall composite includes the sidewall half component code, sidewall rubber code, sidewall rubber thickness, sidewall half component cross-sectional area, sidewall length, sidewall weight, sidewall spigot position rubber, spigot position width, overlap width, spigot position thickness, spigot position cross-sectional area, and spigot position weight;

[0047] Basic carcass information, one-layer carcass, two-layer carcass, and three-layer carcass. The basic information of carcass 1 includes the number of carcass layers, fiber cord code, fiber cord type, rubber coating, etc. The basic information of one-layer carcass includes the total carcass code, calculated carcass width, actual carcass value, carcass thickness, one-layer carcass length, and one-layer tire weight.

[0048] In addition, the first layer of carcass also includes whether there is film according to the structural requirements, and its film information includes film position, film code, rubber material, film width, film thickness, film length, film weight, etc. The second layer of carcass includes the total carcass code, carcass width calculation value, carcass wrap height, carcass width, carcass length, and carcass weight;

[0049] In addition, according to the structural requirements, it also includes whether there is film. The film information is as follows: film position, film code, rubber material, film width, film thickness, film length, and film weight.

[0050] Steel ring 8 includes the total code of steel ring, steel ring code, number of steel ring layers, arrangement of steel ring, steel wire diameter, rubber compound of steel ring, outer diameter of steel ring after rubber coating, steel ring diameter, cross-sectional height of steel ring, steel ring width, full circumference length of steel ring, and weight of steel ring;

[0051] In addition, the steel ring also includes the apex rubber component attached to the steel wire ring, which includes the 7-component code of the apex rubber core, the apex rubber core rubber material code, the apex rubber cross-sectional height percentage, the apex rubber core height, the apex rubber core width, the apex rubber core full circumference length, the apex rubber core cross-sectional area, and the apex rubber core weight. Sixth, the semi-finished module of the belt drum includes three parts: the belt layer, the cap belt, and the tread;

[0052] Among them, the belt layer is divided into a single-layer belt and a two-layer belt according to design needs. The single-layer belt layer 4 includes the steel cord code, cord thickness, steel wire cutting angle, belt layer code, belt layer width, difference with the tire running surface width, single-layer belt layer length, and belt layer weight. In addition, according to the tire design requirements, it is divided into whether it contains film design, and the film includes the composite form code, film code, film rubber code, film width, film thickness, film length, and film weight.

[0053] The second-layer belt includes the belt code, the difference in width with the first-layer belt, the belt length, the belt width, the belt length, and the belt weight. Depending on the design requirements, it also includes whether there is a film design. The film includes a composite form code, film code, film rubber code, film width, film thickness, film length, and film weight.

[0054] The cap layer includes the cord code, cord thickness, difference between the width of the first belt layer and the cap layer, the total width of the cap layer, the cap winding form, the number of crown center layers, the cap strip code, the single width of the cap, and the edge winding width;

[0055] In addition, according to the winding form of the cap layer, the parameters of the cap layer in the forming machine can be divided into the first, second and third stages. The first stage includes the number of full circles, step length, and number of locked circles of the cap layer winding; the second stage is divided into the number of circles and step length; the third stage is divided into the number of full circles, step length, and number of locked circles according to different cap layers. This part also includes the total number of cap layers, cap length, cap area, and cap weight.

[0056] The tread part is divided into crown, base rubber and wing rubber. The tread contains the tread code, the crown contains the upper crown, lower crown, total tread width, tread shoulder width, difference with the running surface, tread shoulder thickness, tread middle thickness, upper crown area, lower crown area, crown stretch value, crown length and weight. The base rubber contains the rubber code, base rubber width, thickness, base rubber cross-sectional area, base rubber length and weight. The wing rubber is determined by whether the tread is crown-wrapped or not. The wing rubber contains the rubber code, rubber width, rubber thickness, rubber area, rubber length and rubber weight.

[0057] Compared with the primary construction design, the secondary construction design module mainly differs in the following aspects:

[0058] First, the basic molding parameter module, compared with the primary design, the secondary design includes process one and process two. One of the processes includes the die diameter, die curve code, die L value, C value, and die width calculation value. The second process is the same as the belt drum module corresponding to the primary design.

[0059] Second, compared with the primary design, the secondary design does not include the PA composite module in the semi-finished module.

[0060] Third, compared with the primary design method, the secondary design method, the sidewall positioning parameter module includes the calculated value and actual value of the sidewall light distance, the sidewall width out of the machine head, the amount of sidewall belt padding, the total width of the sidewall, and the sidewall components include the rubber code, sidewall rubber width, sidewall thickness, sidewall cross-sectional area, sidewall length, sidewall weight, sub-mouth rubber code, sidewall sub-mouth width, sidewall sub-mouth overlap width, sidewall thickness, sidewall area, sidewall length, and sidewall weight.

[0061] According to the tire construction design principles, the plan also includes molding equipment parameters, including the following: First, the tooling part includes the center width adjustment ring width and the side ring width; second, tire blank molding includes the tire blank transfer distance, cord wrapping distance, wrapping distance, shaping position, pre-shaping position, final shaping position, tire unloading spacing, and shaping air pressure.

[0062] like Figure 2As shown, the corresponding 3D design platform related modules include:

[0063] First, the three-dimensional material distribution map module mainly includes the components of the finished tire, and its structure is as follows: Figure 3 shown.

[0064] Second, its 3D design platform includes a tire weight module, which mainly includes the tire 3D material distribution map corresponding to the weight information of each component. For example, the tread component is further divided into tread rubber, wing rubber, and base rubber weight. The sidewall component is divided into sidewall rubber weight and spur rubber weight. Other components are reference Figure 1 The weights of the components involved are shown.

[0065] Third, the module can also obtain Figure 1 Therefore, the corresponding three-dimensional volume, and the density of the corresponding parts is assigned through the existing material library attributes of the three-dimensional platform, and then the design weight of the three-dimensional material distribution map is further obtained. Fourth, based on the working coordinate system of the three-dimensional design platform, through the docking with the secondary development interface of the three-dimensional design platform, it can also be exported Figure 4 The dimensional information of the corresponding coordinates shown is then connected to the construction design system based on the 3D design platform and compared with the actual tire section information input by the construction designers, thereby effectively improving the construction accuracy of the product and thus improving the product quality.

[0066] The present invention effectively improves the construction design efficiency of tire construction designers, improves the construction design level, and reduces the construction error rate. The specific content mainly includes that the construction designers input basic specification information into the system, and the system obtains standard semi-component information and three-dimensional material distribution map related design information from the database, thereby generating construction design table information.

[0067] Improve the accuracy of tire construction design, reduce the difference between the cross-sectional dimensions of finished tires and the tire material distribution map, and thus improve the accuracy of product research and development. The specific content includes the solution of connecting the system with the interface of the 3D design software to achieve data interaction between the 3D material distribution map and the construction design system. Since the 3D software and the 3D material distribution map model used can directly obtain the 3D volume, thickness, length, width and height of the relevant components, the accurate performance of the construction components can be greatly improved.

[0068] Improving the first-time success rate of tire construction design includes improving the pass rate of tire indoor performance and reducing the incidence of tire appearance problems. The main content is that the system obtains the three-dimensional material distribution map size data of the simulated finished tire, reverse designs the tire production semi-component size data and stores it in the database, and then effectively compares the actual tire internal structure size after production with the existing design size in the database, thereby forming a closed-loop design and continuously improving the accuracy of construction design, thereby improving the tire section qualification rate and the tire one-time indoor performance pass rate.

[0069] Improve the standardization of tire semi-components, mainly by comparing the sizes of semi-components of similar specifications within the system, thereby increasing the reuse rate of semi-components of similar specifications, and then increasing the sharing rate of semi-components for tire blank molding, reducing the number of components, thereby improving tire production efficiency and reducing tire production costs.

[0070] Improve the company's product series design, effectively shorten the company's product development time, realize automatic export and generation of construction standards, and reduce the time for construction designers to manually input parameters and calculations.

[0071] Compared with traditional construction design methods, it can effectively connect to 3D design software to obtain tire 3D models and related design parameters. On the one hand, it can save construction design personnel construction calculation time, and on the other hand, it can improve the accuracy of tire construction. It specifically includes the following:

[0072] First, by importing the 2D material distribution map into the 3D design platform and generating a model, the pattern depth information and the distance from the pattern tread to the bottom of the second belt layer are obtained through custom expressions;

[0073] Second, obtain the finished lining thickness information, lining width information, lining length information, and lining volume information, and calculate the lining weight based on the volume information and the density of the lining half component;

[0074] Third, a three-dimensional model is generated based on the information, and the design information of the sidewall components can also be obtained, which specifically includes the sidewall thickness information H1, the full-circumference length information of the thickness of point A on the sidewall, the distance information from the upper end point of the sidewall to the first layer of steel belt (i.e., the sidewall padding length information), the vertical distance H4 from the lower end point of the sidewall to point B, the full-circumference volume of the sidewall, and for tires with rim protection boss design, it also includes the distance H2 from the sidewall boss to the cord, the vertical distance H3 from the shoulder to the first cord, and the transition distance information G1 from the sidewall rubber to the sidewall rubber;

[0075] Fourth, through the 3D design platform and secondary development interface, the arc length of the carcass section, carcass thickness, and carcass center position circumference can be directly obtained. For carcasses with film design, it also includes the distance between the carcass center position of the cross-section and the film arc length and width information, film arc length information, and film 3D volume;

[0076] Fifth, obtain the wire ring diameter, wire ring number, wire ring volume, triangular rubber core height, rubber core width, circumferential length, and rubber core volume;

[0077] Sixth, through the three-dimensional design platform, the first layer belt width, the difference with the running surface width, the belt circumferential length, the first layer belt volume, and also include the second layer belt width, the difference with the first layer width, the second layer belt circumferential length and the second layer belt volume;

[0078] Seventh, obtaining the belt layer winding width and belt layer volume;

[0079] Eighth, obtain tread information, which includes tread shoulder thickness, middle thickness, running surface width, circumferential length of the tread center position, and tread volume.

[0080] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A tire construction method based on three-dimensional design, characterized in that: The method uses a three-dimensional design platform to perform tire construction design, including two molding equipment construction design calculation methods: a primary method and a secondary method, wherein: The one-step construction design platform includes a 3D design platform and a secondary development program, which are used for 3D design of material distribution diagrams and volume calculation of various tire components; Secondary construction design is used to adjust the secondary construction design module according to different molding processes, equipment, tooling and degree of automation, including specific molding parameters, semi-finished component handling and positioning parameters.

2. A tire construction method based on three-dimensional design according to claim 1, characterized in that: The one-step construction design platform includes a tire specification basic parameter information module for recording tire blank code, tire product number, construction time and tire specification parameters.

3. A tire construction method based on three-dimensional design according to claim 2, characterized in that: The tire specification basic parameter information module includes a tire product information module, which is used for calculating the pattern, trademark information and product weight.

4. A tire construction method based on three-dimensional design according to claim 3, characterized in that: The tire specification basic parameter information module includes a mold and profile parameter module, which is used to set the mold type, size and parameters of various parts of the tire, and supports the selection of a wound mold, a two-half mold and an active two-half mold.

5. A tire construction method based on three-dimensional design according to claim 4, characterized in that: The tire specification basic parameter information module includes a tire blank molding parameter module, which is used to refine the molding category, equipment, drum type, method and material distribution map inner contour, and the parameters of the carcass drum and the belt drum.

6. A tire construction method based on three-dimensional design according to claim 5, characterized in that: The tire specification basic parameter information module includes a carcass drum semi-finished product module, which is used to record the design parameters of the inner liner, PA composite, sidewall composite, carcass and steel rim.

7. A tire construction method based on three-dimensional design according to claim 1, characterized in that: The secondary method construction design module excludes PA composite parts in the semi-finished product module and increases the sidewall positioning parameters to adapt to different molding processes.

8. The tire construction method based on three-dimensional design according to claim 1, characterized in that: The three-dimensional design platform is used to provide a material distribution map module to generate a three-dimensional model of a finished tire component.

9. The tire construction method based on three-dimensional design according to claim 1, characterized in that: The three-dimensional design platform includes a weight module, which is used to obtain the weight information of each component and calculate the overall tire weight in combination with the density data of the material library.

10. The tire construction method based on three-dimensional design according to claim 1, characterized in that: The dimensional information exported by the three-dimensional design platform through the secondary development interface is compared with the actual tire section data.

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