CN105538564B - The control system that tire intelligently vulcanizes - Google Patents

The control system that tire intelligently vulcanizes Download PDF

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Publication number
CN105538564B
CN105538564B CN201610108698.8A CN201610108698A CN105538564B CN 105538564 B CN105538564 B CN 105538564B CN 201610108698 A CN201610108698 A CN 201610108698A CN 105538564 B CN105538564 B CN 105538564B
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CN
China
Prior art keywords
time
tire
vulcanization
real
vulcanizes
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CN201610108698.8A
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Chinese (zh)
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CN105538564A (en
Inventor
雍占福
危银涛
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清华大学
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Priority to CN201610108698.8A priority Critical patent/CN105538564B/en
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Publication of CN105538564B publication Critical patent/CN105538564B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould

Abstract

The invention discloses the control system that a kind of tire intelligently vulcanizes, the control system that the tire intelligently vulcanizes includes:It is compared by using the sulfidation of cae methods simulation tire, then with actual sulfidation, forms believable database;A pre-treatment program is worked out, computing is interacted from the real-time curing temperature of collection in worksite and pressure, and with database data, adjusts cure time in real time.When tyre vulcanization, it can be adjusted, it is ensured that tire reaches optimum sulfurating time with the change of the situ vulcanized condition of real-time perception (temperature, pressure, cool mould time) to cure time.The present invention improves the automaticity of equipment, there is live perceptional function, reduces labour.Save, put forward effect, while improve the quality and stability of product.

Description

The control system that tire intelligently vulcanizes

Technical field

The present invention relates to the control system that tire intelligently vulcanizes.

Background technology

After American is specifically found that vulcanization rubber admittedly, rubber is just widely applied, but owing sulphur can cause Product can not use, and over cure can reduce the physical and mechanical properties of rubber, and common method is to ensure that product has crossed hair in industry Bubble point (when rubber state of cure (vulcanization) reaches 25-35%, if removing pressure, can bubble) inside product, reach rubber To optimum cure (vulcanization of rubber degree reaches 90%).But in practical operation, because product is often more complicated, the temperature at each position Spend inconsistent, and the vulcanization characteristics (time) of each part material is also different.In addition scene temperature, pressure, open time, The influence of the factors such as environment temperature, want to reach optimum cure hardly possible.

The control system of some vulcanizations, the principal contradiction of problem is often grasped at, to solve this problem.Such as:Some are public " vulcanization mechanism method and the vulcanization mechanism system " of department wants solve this problem by the blow point of tire thickest part;However, Because the vulcanization characteristics of cure time and vulcanization rubber has great correlation, often it is most thick to be finally not present in product for blow point Position is (such as:Shoulder region), great risk be present in this control method.

The content of the invention

It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention carries Go out the control system that a kind of tire intelligently vulcanizes, the control system that the tire intelligently vulcanizes solves each portion of tire well Deficient sulphur and the over cure problem of part, the vulcanization homogeneity of tire is improved, lift the performance of tire.

The control system that tire according to embodiments of the present invention intelligently vulcanizes includes:By using cae methods simulation tire Sulfidation, then be compared with actual sulfidation, form believable database;A pre-treatment program is worked out, from scene Real-time curing temperature and pressure are gathered, and computing is interacted with database data, adjusts cure time in real time.Work as tyre vulcanization When, it can be adjusted, really with the change of the situ vulcanized condition of real-time perception (temperature, pressure, cool mould time) to cure time Protect tire and reach optimum sulfurating time.

The present invention can realize the automated intelligent vulcanization of tire and rubber, 1-10 points of tyre vulcanization cycle time automatically Clock, curing efficiency lifting more than 10%;Vulcanized rubber performance is substantially improved, the wearability and durability of tire improve 15% with On;Rubber vulcanization process energy conservation more than 15%;Fully-automatic production, reduce by 30% operating personnel;Simplify production procedure;The tire longevity Life lifting 10%.

In addition, the control system that tire according to the above embodiment of the present invention intelligently vulcanizes can also have what is added as follows Technical characteristic:

According to one embodiment of present invention, the vulcanization characteristics of each part material is first detected, and it is emulated with fea, The vulcanization characteristics of every material in normal vulcanization is detected again, then it is emulated with fea, in sulfidation, passes through field data The real-time collection site technological parameter of collector (2);And intelligence vulcanization arithmetic and control unit (1) is fed back to, controller can be according in real time Technological parameter, the database of fea emulation and experiment foundation measured, carries out real-time operation using the Arrhenius Equation, makes wheel Tire reaches optimum cure, and when tire reaches optimum cure, intelligence, which vulcanizes arithmetic and control unit (1), can send instruction, pass through actuator (3) action (being not required to human intervention) for terminating vulcanization, is made to vulcanization plant (5).

Brief description of the drawings

Fig. 1 is the structural representation for the control system that tire according to embodiments of the present invention intelligently vulcanizes;

Fig. 2 is that 24 thermometrics of the control system that tire according to embodiments of the present invention intelligently vulcanizes are sunken cord position section Figure.

Embodiment

Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to The embodiment of accompanying drawing description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.

Typically all custom judges the state of cure (vulcanization) of tire with blow point to tire enterprise, but blow point is by environment, artificial etc. Factor influences, and can only typically estimate roughly.Present invention employs the Arrhenius Equation, because when sulfide stress is enough to resist hair During bubble point, function that it is time and temperature that the state of cure (vulcanization) of rubber, which is, as long as calculating area under a curve, so that it may obtain material Accurate state of cure (vulcanization).Can so solve only to use blow point rough estimate cure time, cause product to owe the wind of sulphur or over cure Danger.

Below with reference to the accompanying drawings the control system that tire according to embodiments of the present invention intelligently vulcanizes is described.Such as Fig. 1 and Fig. 2 institutes Show, the control system that tire according to embodiments of the present invention intelligently vulcanizes includes simulating the vulcanization of tire by using cae methods Journey, then be compared with actual sulfidation, form believable database;A pre-treatment program is worked out, it is real from collection in worksite When curing temperature and pressure, and interact computing with database data, adjust cure time in real time.When tyre vulcanization, it Cure time can be adjusted with the change of the situ vulcanized condition of real-time perception (temperature, pressure, cool mould time), it is ensured that wheel Tire reaches optimum sulfurating time.

Advantageously, the vulcanization characteristics of each part material is first detected, and it is emulated with fea, then is detected in normal vulcanization The vulcanization characteristics of every material, then it is emulated with fea, in sulfidation, gathered in real time by on-site data gathering device (2) Site technique parameter;And intelligence vulcanization arithmetic and control unit (1) is fed back to, controller can be according to technological parameter, the fea measured in real time The database that emulation is established with experiment, real-time operation is carried out using the Arrhenius Equation, tire is reached optimum cure, works as tire When reaching optimum cure, intelligence, which vulcanizes arithmetic and control unit (1), can send instruction, and by actuator (3), vulcanization plant (5) is made Terminate the action (being not required to human intervention) of vulcanization.

The present invention is first to detect the vulcanization characteristics of each part material, and it is emulated with fea.Detect again in normal vulcanization The vulcanization characteristics of every material, then it is emulated with fea.In sulfidation, gathered in real time by on-site data gathering device (2) Site technique parameter;And intelligence vulcanization arithmetic and control unit (1) is fed back to, controller can be according to technological parameter, the fea measured in real time The database that emulation is established with experiment, real-time operation is carried out using the Arrhenius Equation, tire is reached optimum cure.Work as tire When reaching optimum cure, intelligence, which vulcanizes arithmetic and control unit (1), can send instruction, and by actuator (3), vulcanization plant (5) is made Terminate the action of vulcanization.

The present invention devises an actuator (3), actuator to solve influence of the human factor to tyre vulcanization degree (3) instruction sent according to intelligence vulcanization arithmetic and control unit (1), die sinking in time, and to the time of cool mould among operation, adjust sulphur Change the time.Curing efficiency so can be not only improved, and solves caused by human factor that state of cure (vulcanization) differs, causes product The problem of quality fluctuation.

In summary, the present invention has carried out the improvement of creativeness for three shortcomings present in prior art respectively and set Meter.The control accuracy of material cures degree is greatly improved, improves efficiency, the energy and labour has been saved, has improved simultaneously The quality and mass uniformity of product.For prior art, beneficial effects of the present invention mainly have at 2 points:

(1) present invention improves the automaticity of equipment, there is live perceptional function, reduces labour.

(2) save, put forward effect, while improve the quality and stability of product.

The present invention in the prior art the shortcomings that the solution that is proposed it is as follows:

Design factor:It was found from the Arrhenius Equation, under conditions of sulfide stress is enough to resist blow point, rubber State of cure (vulcanization) is the function of time and temperature, as long as calculating area under a curve (method that functional integration is usually taken), just It can obtain state of cure (vulcanization).Can so solve only to use blow point rough estimate cure time, cause to owe the risk of sulphur or over cure.

Environmental factor:If calculating accurate state of cure (vulcanization), there are material cures characteristic and material heterogeneity phantom number According under conditions of storehouse, it is necessary to monitor curing temperature in real time.Can so solve to cause tyre vulcanization because site technique fluctuates The fluctuation of degree, cause product not in optimum cure degree, while cause the fluctuation of properties of product.

Human factor:According to the time of whole sulfidation and the curve of temperature measured, using the logical operation of one, Optimum sulfurating time can be calculated.Solve due to the manual operation influence of matched moulds or die sinking to tyre vulcanization degree not in time.

The beneficial effect that the present invention is brought:

(1) present invention improves the automaticity of equipment, there is live perceptional function, reduces labour.

(2) save, put forward effect, while improve the quality and stability of product.

In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.

In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three It is individual etc., unless otherwise specifically defined.

In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be that machinery connects Connect or electrically connect or can communicate each other;Can be joined directly together, can also be indirectly connected by intermediary, can be with It is connection or the interaction relationship of two elements of two element internals, is limited unless otherwise clear and definite.For this area For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification Close and combine.

Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changed, replacing and modification.

Claims (2)

  1. A kind of 1. control system that tire intelligently vulcanizes, it is characterised in that including:By using the vulcanization of cae methods simulation tire Process, then be compared with actual sulfidation, form believable database;A pre-treatment program is worked out, from collection in worksite Real-time curing temperature and pressure, and computing is interacted with database data, cure time is adjusted in real time, when tyre vulcanization, The change of the situ vulcanized condition of its real-time perception, is adjusted, it is ensured that tire reaches optimum sulfurating time to cure time.
  2. 2. the control system that tire according to claim 1 intelligently vulcanizes, it is characterised in that first detect each part material Vulcanization characteristics, and it is emulated with fea, then detect the vulcanization characteristics of every material in normal vulcanization, then imitative to it with fea Very, in sulfidation, the real-time collection site technological parameter of on-site data gathering device (2) is passed through;And feed back to intelligence vulcanization fortune Controller (1) is calculated, controller can emulate the database established with experiment according to technological parameter, the fea measured in real time, utilize Ah tiring out Ni Wusi equations carry out real-time operation, tire is reached optimum cure, and when tire reaches optimum cure, intelligence vulcanizes arithmetic and control unit (1) instruction can be sent, by actuator (3), the action for terminating vulcanization is made to vulcanization plant (5).
CN201610108698.8A 2016-02-26 2016-02-26 The control system that tire intelligently vulcanizes CN105538564B (en)

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CN201610108698.8A CN105538564B (en) 2016-02-26 2016-02-26 The control system that tire intelligently vulcanizes

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Application Number Priority Date Filing Date Title
CN201610108698.8A CN105538564B (en) 2016-02-26 2016-02-26 The control system that tire intelligently vulcanizes

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CN105538564B true CN105538564B (en) 2018-01-16

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Publication number Priority date Publication date Assignee Title
CN108437309B (en) * 2018-02-05 2020-02-07 哈尔滨工大泰铭科技有限公司 Digital automatic control method for tire vulcanization process

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
GB1479700A (en) * 1973-09-26 1977-07-13 Federal Mogul Corp Method of operating a mould press
JP3234001B2 (en) * 1992-08-31 2001-12-04 エヌオーケー株式会社 Vulcanizer temperature controller
JP5722077B2 (en) * 2011-02-25 2015-05-20 株式会社ブリヂストン Post-vulcanization physical property simulation method for laminated rubber
CN102218840B (en) * 2011-05-30 2014-06-04 江苏科技大学 Method for simulating vulcanization of all-steel radial tire
CN102626969B (en) * 2012-05-02 2014-10-08 三角轮胎股份有限公司 Method for rubber vulcanization of semisteel tire

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