CN112388875B - Tire curing bladder with electronic tag and preparation method thereof - Google Patents
Tire curing bladder with electronic tag and preparation method thereof Download PDFInfo
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- CN112388875B CN112388875B CN202110071108.XA CN202110071108A CN112388875B CN 112388875 B CN112388875 B CN 112388875B CN 202110071108 A CN202110071108 A CN 202110071108A CN 112388875 B CN112388875 B CN 112388875B
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- end surface
- electronic tag
- packaging part
- honeycomb
- groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0654—Flexible cores therefor, e.g. bladders, bags, membranes, diaphragms
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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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0662—Accessories, details or auxiliary operations
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of curing capsules, in particular to a tire curing capsule with an electronic tag and a preparation method thereof. According to the tire curing bladder with the electronic tag, the electronic tag is firmly packaged in the tire curing bladder, the signal transmission performance and the service life of the electronic tag are guaranteed through reasonable structural design, and various information parameters of the tire curing bladder can be conveniently read and identified.
Description
Technical Field
The invention relates to the technical field of tire curing bladders, in particular to a tire curing bladder with an electronic tag and a preparation method thereof.
Background
The tire vulcanization capsule is a hollow thin-wall rubber product, is mainly made of butyl rubber, is a necessary tool for tire vulcanization molding, and is equivalent to an inner mold of a tire mold. During the vulcanization process of the tire, heating medium is filled into the tire vulcanization capsule to expand and expand the tire vulcanization capsule, and the tire rubber blank is supported to form an internal pressure vulcanized tire. The tire vulcanization capsule is divided into different models according to different vulcanizing machines and clamps: skew A type, skew B type, skew AB type, meridional A type, meridional B type, and meridional AB type.
The existing tire curing bladder needs to separately record information in the production, manufacture, transportation and use links, the information interoperability of each link is poor, an effective information tracking system is lacked, and the requirement of modern information service cannot be met.
Disclosure of Invention
In order to solve the technical problems, the invention provides a tire curing bladder with an electronic tag, which comprises two opposite annular bead parts and an expansion part positioned between the bead parts, wherein the bead parts are internally provided with the electronic tag, the electronic tag comprises two chip assemblies, two antennas and a shell, the two antennas are respectively oppositely arranged on two sides of the chip assemblies and are electrically connected with the chip assemblies, the chip assemblies are packaged in the shell, and the shell is made of heat insulation rubber.
When the tire curing bladder is used, the tire curing bladder is firstly installed in a tire curing machine, two bead parts of the tire curing bladder are fixedly connected with a clamp in the tire curing machine, a closed bladder curing cavity is formed after the tire curing bladder and the clamp are connected, high-temperature free fluid such as inert gas, hot water or water vapor and the like is applied to the interior of the bladder curing cavity, the expansion part of the tire curing bladder is expanded through the pressure of the high-temperature free fluid, the expanded tire curing bladder presses the green tire to be cured to enable the green tire to be attached to the inner surface of a tire mold for determining the tread pattern and the sidewall configuration of the tire, and the green tire is cured and shaped through the heat provided by a heat medium and the pressure provided by the tire curing bladder during expansion. In the whole process, the deformation degree of the expansion part is the largest, the deformation degree of the bead part is the smallest, and the expansion part can be almost regarded as being free of deformation, so that the influence of the electronic tag on the service performance of the tire curing bladder can be reduced to the largest extent by arranging the electronic tag in the bead part of the tire curing bladder, and correspondingly, the negative influence of the deformation of the tire curing bladder on the electronic tag can be reduced to the largest extent.
Because the tire vulcanization capsule is always in a high-temperature use environment in the vulcanization process, the high temperature can influence the electrical property and the service life of the chip component in the electronic tag, the chip component is packaged into the shell made of the heat insulation rubber, the conduction of heat to the chip component can be isolated, the electronic tag is protected from being influenced by the high temperature, and the service life of the electronic tag is prolonged.
The antenna of the electronic tag may be made of a metal or non-metal conductive material, including but not limited to copper, aluminum, or conductive rubber. The two antennas are arranged, so that the signal transmission efficiency of the electronic tag can be further enhanced.
Preferably, the chip assembly comprises a printed board and a chip, the printed board comprises a fixed end face and a copper-clad end face, and the chip is fixed on the copper-clad end face of the printed board;
the antenna comprises a linear end and a corrugated end which are integrally formed, and the linear end is connected with a pin on the copper-clad end face of the printed board.
Preferably, the chip assembly further comprises a honeycomb partition plate, and the honeycomb partition plate is fixedly connected with the fixed end face of the printed board.
Preferably, the housing comprises a first packaging part and a second packaging part which are connected in a buckling manner;
the first packaging part comprises a first lower end surface and a first upper end surface, the first upper end surface is provided with a first groove and a second groove, the chip assembly is fixedly arranged in the first groove, and the copper-clad end surface of the printed board faces to the opening end of the first groove; the number of the second grooves is two, the second grooves are respectively oppositely arranged on two sides of the first groove and are communicated with the first groove, and the linear end part of the antenna is arranged in the second groove;
the second packaging part comprises a second lower end face and a second upper end face, and the second lower end face is sealed and buckled on the first upper end face of the first packaging part.
Preferably, the housing further includes two oppositely disposed extending portions, and the extending portions are respectively disposed on two sides of the first packaging portion and are in the same direction as the extending direction of the antenna;
the extension part comprises a third lower end face and a third upper end face, a third groove is arranged on the third upper end face, the third groove is communicated with the second groove in a continuous mode and is identical to the antenna in shape, and the antenna is fixedly arranged in the third groove.
Preferably, the first lower end face of the first encapsulation part and the second upper end face of the second encapsulation part are wrapped with continuous carbon fibers.
Preferably, two groups of first hole groups and second hole groups parallel to the first groove are respectively arranged on the first packaging part close to the upper end and the lower end of the first groove, the first hole group is composed of a plurality of first honeycomb holes which are linearly arranged, and the second hole group is composed of a plurality of second honeycomb holes which are linearly arranged;
a third hole group and a fourth hole group are respectively arranged at the positions, corresponding to the first hole group and the second hole group, on the second packaging part, the third hole group is composed of a plurality of linearly arranged third honeycomb holes, the third honeycomb holes are the same as the first honeycomb holes in shape and size, the fourth hole group is composed of a plurality of linearly arranged fourth honeycomb holes, and the fourth honeycomb holes are the same as the second honeycomb holes in shape and size; when the first packaging part is buckled with the second packaging part, the first honeycomb holes are correspondingly communicated with the third honeycomb holes, the second honeycomb holes are correspondingly communicated with the fourth honeycomb holes, and the continuous carbon fibers sequentially penetrate through the first honeycomb holes, the third honeycomb holes, the fourth honeycomb holes and the second honeycomb holes to be wound and coated on the first lower end face of the first packaging part and the second upper end face of the second packaging part.
Preferably, the film is fixed on the shell and comprises a first strip-shaped film and a second strip-shaped film, the first strip-shaped film is fixed on the first lower end face of the first packaging part, and the second strip-shaped film is fixed on the third lower end face of the extension part.
A preparation method of an electronic tag is used for preparing the electronic tag in the tire curing bladder with the electronic tag, and specifically comprises the following steps:
step S10, preparing the shell by adopting heat insulation rubber, which comprises the following steps:
step S11, preparing the first packaging part and the extending part which are integrally formed by adopting a mould pressing forming method;
step S12, preparing a second packaging part by adopting a mould pressing forming method;
step S20, preparing a chip assembly, specifically including the steps of:
step S21, preparing a honeycomb partition board by adopting a high-temperature-resistant ceramic material, and adhering the honeycomb partition board to the fixed end face of the printed board;
step S22, welding the chip on the copper-clad end face of the printed board,
step S23, sealing the welding point of the chip and the printed board by using high-temperature-resistant epoxy protective glue;
step S30, electrically connecting the antenna and the chip assembly, specifically including the steps of:
step S31, welding the linear end of the antenna on a pin of the copper-clad end face of the printed board to electrically connect the pin with the chip;
step S32, sealing the welding point of the antenna and the printed board by using high-temperature-resistant epoxy protective glue;
step S40, placing the connected antenna and chip assembly into the first package part and the extension part in step S11;
step S50, sealing and fastening the second sealing portion to the first sealing portion;
step S60, soaking continuous carbon fibers in high-temperature-resistant epoxy protective glue, and winding the soaked continuous carbon fibers on the outer surfaces of the first packaging part and the second packaging part which are hermetically buckled in the step S50;
and step S70, curing after winding to obtain the electronic tag.
A preparation method of a tire curing bladder with an electronic tag is provided, wherein the electronic tag is prepared by the preparation method of the electronic tag, and comprises the following steps:
s100, opening a curing bladder mold, wherein the curing bladder mold comprises a lower mold, an upper mold and a mold core, and a tire bead forming part is arranged on the mold core;
step S200, adhering the electronic tag to the bead forming part through a film, and specifically comprising the following steps:
step S210, coating a rubber adhesive on a first lower end face of a first packaging part, adhering and fixing one end face of a first strip-shaped film, and coating the rubber adhesive on the other end face of the first strip-shaped film;
step S220, coating a rubber adhesive on the third lower end surface of the extension part, adhering and fixing one end surface of a second strip-shaped rubber sheet, and coating a rubber adhesive on the other end surface of the second strip-shaped rubber sheet;
step S230, adhering the first strip-shaped rubber sheet and the second strip-shaped rubber sheet to a bead forming part of the mold core;
step S240, completing the bonding operation after the rubber adhesive is cured;
step S300, closing the mold, namely sequentially sealing the mold core and the upper mold base on the lower mold, and forming a molding mold cavity of the vulcanized capsule inside the mold after the vulcanized capsule mold is closed;
s400, injecting a curing capsule rubber material into the curing capsule mold by adopting an injection molding process, wherein the curing capsule rubber material coats the electronic tag in the flowing process;
and S500, demolding after vulcanization molding to obtain the tire vulcanization capsule with the electronic tag.
Compared with the prior art, the invention has the following beneficial technical effects:
1. the electronic tag is packaged in the tire curing bladder, and the tire curing bladder information stored in the electronic tag, such as the information covering the whole life cycle of the curing bladder, such as the model, batch, production date, production process, storage logistics information and the like, can be read in a non-contact manner through a corresponding card reader, so that the information electronization of the tire curing bladder is realized;
2. through the wavy antenna structure, the miniaturized design of the electronic tag is realized, and the signal transmission capability of the antenna is improved to the greatest extent in a limited space;
3. the honeycomb structure is arranged in the chip assembly, so that the structural strength of the chip assembly can be improved, the chip assembly is prevented from being bent due to the deformation of the shell, and the heat can be prevented from being transferred from the shell to the chip assembly;
4. the first packaging part and the second packaging part on the shell can seal the chip assembly, so that the chip assembly is prevented from being corroded by high temperature, and the service performance and the service life of the chip assembly are ensured;
5. the continuous carbon fibers are wound on the outer surfaces of the first packaging part and the second packaging part, so that the high-temperature resistance of the shell can be further improved;
6. the first hole group, the second hole group, the third hole group and the fourth hole group are formed in the first packaging part and the second packaging part, so that continuous carbon fibers can be wound conveniently, rubber materials can flow through the hole groups, and the shell is packaged in the bead part of the tire curing capsule more firmly during vulcanization molding.
In conclusion, the tire curing bladder with the electronic tag provided by the invention firmly encapsulates the electronic tag inside the tire curing bladder, ensures the signal transmission performance and the service life of the electronic tag through reasonable structural design, and can conveniently read and identify various information parameters of the tire curing bladder.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the electronic tag in FIG. 1;
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is a schematic structural view of the first encapsulation portion, the second encapsulation portion and the extension portion of FIG. 3;
FIG. 5 is a top view of a chip assembly;
FIG. 6 is a schematic structural view of a curing bladder mold;
FIG. 7 is an enlarged view of a portion of FIG. 6;
fig. 8 is a top view of a in fig. 6.
Description of reference numerals:
100. a curing capsule mould, 110, an upper mould, 120, a lower mould, 130, a mould core, 131 and a tyre bead molding part,
1. a tyre bead part 2, an expansion part 3, an electronic tag 4 and a film,
31. chip assembly, 32, antenna, 33, housing,
311. a printed board, 312, a chip, 313, a honeycomb partition,
3111. a fixed end face, 3112, a copper-clad end face,
321. the straight end, 322, the corrugated end,
331. a first encapsulation portion, 332, a second encapsulation portion, 333, an extension portion,
3311. a first lower end surface 3312, a first upper end surface 3313, a first groove 3314, a second groove 3315, a first honeycomb hole 3316, a second honeycomb hole,
3321. a second lower end surface 3322, a second upper end surface 3323, a third honeycomb cell, 3324, a fourth honeycomb cell,
3331. a third lower end surface 3332, a third upper end surface 3333, a third groove,
41. a first strip of film 42, a second strip of film.
Detailed Description
The following description of the embodiments of the present invention refers to the accompanying drawings and examples:
it should be noted that the structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are only for the purpose of understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the following claims, and all modifications of the structures, changes in the proportions and adjustments of the sizes and other dimensions which are within the scope of the disclosure should be understood and encompassed by the present disclosure without affecting the efficacy and attainment of the same.
In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1 to 3, the invention provides a tire curing bladder with an electronic tag, which comprises two opposite annular bead portions 1 and an expansion portion 2 located between the bead portions 1, wherein the bead portions 1 are internally provided with the electronic tag 3, the electronic tag 3 comprises a chip assembly 31, an antenna 32 and a shell 33, the two antennas 32 are arranged oppositely on two sides of the chip assembly 31 respectively and are electrically connected with the chip assembly 31, the chip assembly 31 is encapsulated in the shell 33, and the shell 33 is made of heat-insulating rubber.
When the tire curing bladder is used, firstly, the tire curing bladder is installed in a tire curing machine, two bead parts 1 of the tire curing bladder are fixedly connected with a clamp in the tire curing machine, a closed bladder curing cavity is formed after the tire curing bladder and the clamp are connected, high-temperature free fluid such as inert gas, hot water or water vapor and the like is applied to the interior of the bladder curing cavity, the tire curing bladder expansion part 2 is expanded through the pressure of the high-temperature free fluid, the expanded tire curing bladder presses a green tire to be cured, the green tire is attached to the inner surface of a tire mold for determining the tread pattern and the sidewall configuration of the tire, and the green tire is cured and shaped through the heat provided by a heat medium and the pressure provided when the tire curing bladder expands. In the whole process, the deformation degree of the expansion part 2 is the largest, the deformation degree of the bead part 1 is the smallest, and the electronic tag 3 can be regarded as being almost free of deformation, so that the influence of the electronic tag 3 on the service performance of the tire curing bladder can be reduced to the largest extent by arranging the electronic tag 3 in the bead part 1 of the tire curing bladder, and correspondingly, the negative influence of the deformation of the tire curing bladder on the electronic tag 3 can be reduced to the largest extent.
Since the tire curing bladder is always in a high temperature environment during the curing process, and the high temperature affects the electrical performance and the service life of the chip assembly 31 in the electronic tag 3, by encapsulating the chip assembly 31 in the housing 33 made of heat-insulating rubber, the conduction of heat to the chip assembly 31 can be insulated, the electronic tag 3 is protected from the high temperature, and the service life of the electronic tag is prolonged. The heat-insulating rubber is preferably ethylene propylene diene monomer rubber or a blend of ethylene propylene diene monomer rubber and silicone rubber, but other rubbers having a heat-insulating effect may be used as the material of the housing 33 in the art.
The antenna 32 of the electronic tag 3 may be made of a metal or non-metal conductive material, including but not limited to copper, aluminum, or conductive rubber. The two antennas 32 are provided, so that the signal transmission efficiency of the electronic tag 3 is further enhanced.
In a specific embodiment, as shown in fig. 3 and 5, the chip assembly 31 includes a printed board 311 and a chip 312, the printed board 311 includes a fixing end face 3111 and a copper-clad end face 3112, and the chip 312 is fixed on the copper-clad end face 3112 of the printed board 311;
as shown in fig. 3, the antenna 32 includes a straight end 321 and a corrugated end 322, and the straight end 321 is connected to a pin (not shown) on the copper-clad end face 3112 of the printed board 311. The straight end 321 of the antenna 32 is electrically connected to the chip 312 through the pin, and the corrugated end 322 is beneficial to extending the length of the wire body of the antenna 32 to the maximum in a small space, so as to further enhance the transmission performance of signals.
In one embodiment, as shown in fig. 3, the chip assembly 31 further includes a honeycomb spacer 313, and the honeycomb spacer 313 is connected and fixed to the fixing end face 3111 of the printed board 311.
The honeycomb spacer 313 may increase the overall structural strength of the chip assembly 31 and is preferably made of a high temperature resistant ceramic material. One end of the honeycomb partition 313 is connected with the printed board 311, the other end of the honeycomb partition 313 is placed in the shell 33, and after the honeycomb partition is packaged, the honeycomb holes in the honeycomb partition 313 can reduce the heat transfer efficiency from the shell 33 to the printed board 311, so that the heat insulation effect is further improved.
In one embodiment, as shown in fig. 3 and 4, the housing 33 includes a first and a second enclosure 331, 332 that are snap-fit connected;
the first package portion 331 includes a first lower end surface 3311 and a first upper end surface 3312, the first upper end surface 3312 is provided with a first groove 3313 and a second groove 3314, the chip component 31 is fixedly disposed in the first groove 3313, and a copper-clad end surface 3112 of the printed board 311 faces an opening end of the first groove 3313; the second grooves 3314 are two in number, and are respectively oppositely disposed on two sides of the first groove 3313 and communicated with the first groove 3313, and the linear end 321 of the antenna 32 is partially disposed in the second groove 3314;
the second package portion 332 includes a second lower end surface 3321 and a second upper end surface 3322, and the second lower end surface 3321 is hermetically sealed and fastened on the first upper end surface 3312 of the first package portion 331.
The first sealing portion 331 and the second sealing portion 332 can adopt various shapes which are easy to be buckled and sealed, such as but not limited to rectangle, circle or rhombus, and the like, and the first sealing portion 331 and the second sealing portion 332 in the invention preferably adopt a drum shape, in the molding process, a drum-shaped straight line edge is parallel to the bead portion 1 of the tire curing bladder, and two convex arc edges are connected with an upper straight line edge and a lower straight line edge, and the drum-shaped design can not only avoid the damage of shapes with sharp corners, such as rectangle and rhombus, to the bead portion 1, but also reduce the space occupation to the bead portion 1, and realize the miniaturization design.
In a specific embodiment, as shown in fig. 3 and 4, the housing 33 further includes two oppositely disposed extending portions 333, and the extending portions 333 are respectively disposed on two sides of the first packaging portion 331 and are in the same direction as the extending direction of the antenna 32;
the extension part 333 includes a third lower end surface 3331 and a third upper end surface 3332, the third upper end surface 3332 is provided with a third groove 3333, the third groove 3333 is continuously communicated with the second groove 3314 and has the same shape as the antenna 32, and the antenna 32 is fixedly disposed in the third groove 3333.
The snap-fit connection facilitates the disassembly and assembly of the first package portion 331 and the second package portion 332, improves the installation efficiency, and can adopt the conventional snap-fit connection manner in the field, including but not limited to the conventional means of arranging the insertion portion on the second package portion 332, arranging the slot on the first package portion 331, and the like, which is not described herein again.
The first groove 3313 provided in the first package portion 331 can realize a quick positioning and mounting of the chip component 31, and the second groove 3314 can provide a mounting path for the antenna 32, thereby further improving the mounting efficiency.
The extending portion 333 can provide support for the antenna 32, so as to prevent the antenna 32 from sagging and bending under the influence of its own gravity, which affects the stability of the connection between the antenna 32 and the chip assembly 31.
In a specific embodiment, the first lower end surface 3311 of the first package part 331 and the second upper end surface 3322 of the second package part 332 are wrapped with continuous carbon fibers (not shown). The continuous carbon fibers may increase the high temperature resistance of the shell 33.
In one embodiment, as shown in fig. 4, the first packaging part 331 is provided with two sets of first and second holes parallel to the first recess 3313 near upper and lower ends of the first recess 3313, respectively, the first hole set being formed by a plurality of linearly arranged first honeycomb holes 3315, and the second hole set being formed by a plurality of linearly arranged second honeycomb holes 3316;
a third cell group and a fourth cell group are provided in the second package part 332 at positions corresponding to the first cell group and the second cell group, respectively, the third cell group being composed of a plurality of linearly arranged third cell holes 3323, the third cell holes 3323 having the same shape and size as the first cell holes 3315, the fourth cell group being composed of a plurality of linearly arranged fourth cell holes 3324, the fourth cell holes 3324 having the same shape and size as the second cell holes 3316; when the first and second encapsulating parts 331 and 332 are engaged, the first and third honeycomb holes 3315 and 3323 and the second and fourth honeycomb holes 3316 and 3324 are correspondingly communicated, and the continuous carbon fiber sequentially passes through the first, third, fourth and second honeycomb holes 3315, 3323, 3324 and 3316 and is wrapped around the first lower end 3311 of the first encapsulating part 331 and the second upper end 3322 of the second encapsulating part 332.
The first sealing portion 331 and the second sealing portion 332 are provided with the first hole group, the second hole group, the third hole group and the fourth hole group, so that continuous carbon fibers can be wound conveniently, and in addition, in the vulcanization molding process of the tire vulcanization capsule, rubber can flow through the hole groups to be vulcanized and shaped, so that the shell 31 is sealed in the bead portion 1 of the tire vulcanization capsule more firmly.
For ease of processing, it is preferred that the first, second, third and fourth honeycomb holes 3315, 3316, 3323, 3324 be identical in size and shape, although honeycomb holes are used in the present invention, other geometric shapes of through holes, including but not limited to circular and square holes, are equally suitable for use in the present invention.
In one embodiment, as shown in fig. 4, the film 4 is fixed on the housing 33, the film 4 includes a first strip of film 41 and a second strip of film 42, the first strip of film 41 is fixed on the first lower end surface 3311 of the first enclosure 331, and the second strip of film 42 is fixed on the third lower end surface 3331 of the extension 333.
When carrying out the tire vulcanization capsule vulcanization molding who takes recognition device, need earlier adhere electronic tags 3 in the 1 shaping department of bead portion in vulcanization capsule mould 100, first strip film 41 and second strip film 42 can form the interval between vulcanization capsule mould 100 and electronic tags 3, in the vulcanization molding process of tire vulcanization capsule, the sizing material can flow and be full of above-mentioned interval, finally with first strip film 41, second strip film 42 and casing 33 crisscross vulcanization are as an organic whole, guarantee that electronic tags 3 encapsulates inside bead portion 1, improve the fastness of encapsulation.
The tire curing bladder with the electronic tag provided by the invention is characterized in that the electronic tag 3 is packaged in the bead part 1 of the tire curing bladder, namely, the tire curing bladder is added with an identity card. Information including but not limited to the model, production batch number, production process and the like of the tire curing bladder can be recorded in the electronic tag 3, various information of the tire curing bladder can be directly read without direct contact through a card reader matched with the electronic tag 3, the whole manufacturing history and the transportation history of the tire curing bladder can be conveniently recorded and analyzed, and the product quality control and the recall of defective products are facilitated.
With reference to fig. 2-5, the invention provides a method for preparing an electronic tag, which is used for preparing the electronic tag in the tire curing bladder with the electronic tag, and specifically comprises the following steps:
step S10, preparing the housing 33 using heat insulating rubber, specifically including the steps of:
step S11, preparing the integrally formed first encapsulation portion 331 and the extension portion 333 by a press molding method;
step S12, preparing the second encapsulation portion 332 by a press molding method;
step S20, preparing the chip assembly 31, specifically including the steps of:
step S21, preparing the honeycomb spacer 313 from a high temperature resistant ceramic material, and adhering the honeycomb spacer 313 to the fixed end face 3111 of the printed board 311;
step S22, soldering chip 312 to copper-clad end face 3112 of printed board 311;
step S23, sealing the welding point of the chip 312 and the printed board 311 by using high temperature resistant epoxy protective glue;
step S30, electrically connecting the antenna 32 and the chip assembly 31, specifically including the following steps:
step S31, soldering the linear end 321 of the antenna 32 to a pin (not shown) of the copper-clad end face 3112 of the printed board 311, so that the linear end is electrically connected to the chip 312;
step S32, sealing the welding point between the antenna 32 and the printed board 311 with a high temperature resistant epoxy protective adhesive (not shown in the figure);
step S40, placing the connected antenna 32 and chip component 31 into the first packaging part 331 and the extension part 333 in step S11;
step S50, sealing and fastening the second sealing portion 332 on the first sealing portion 331;
step S60, soaking continuous carbon fibers (not shown in the figure) in high temperature resistant epoxy protective glue, and winding the continuous carbon fibers around the outer surfaces of the first packaging part 331 and the second packaging part 332 which are hermetically fastened in step S50;
and step S70, curing after winding to obtain the electronic tag.
With reference to fig. 4, 6, 7 and 8, the invention provides a method for preparing a tire curing bladder with an electronic tag, wherein the electronic tag is prepared by the method for preparing the electronic tag, and the method comprises the following steps:
step S100, opening a curing bladder mold 100, wherein the curing bladder mold 100 comprises a lower mold 110, an upper mold 120 and a mold core 130, and a tire bead forming part 131 is arranged on the mold core 130;
step S200, adhering the electronic tag 3 to the bead shaping portion 131 through the film 4, specifically including the following steps:
step S210, coating a rubber adhesive on the first lower end 3311 of the first sealing portion 331, adhering and fixing one end of the first strip-shaped film 41, and coating a rubber adhesive on the other end of the first strip-shaped film 41;
step S220, coating rubber adhesive on the third lower end surface 3331 of the extension part 333, adhering and fixing one end surface of the second strip-shaped rubber sheet 42, and coating rubber adhesive on the other end surface of the second strip-shaped rubber sheet 42;
step S230, adhering the first strip-shaped rubber sheet 41 and the second strip-shaped rubber sheet 42 to the bead forming part 131 of the mold core 130;
step S240, completing the bonding operation after the rubber adhesive is cured;
step S300, closing the mold, namely, sequentially seating the mold core 130 and the upper mold 120 on the lower mold 110, and forming a molding mold cavity of the curing bladder in the curing bladder mold 100 after closing;
step S400, injecting a curing capsule rubber material into the curing capsule mold 100 by adopting an injection molding process, wherein the curing capsule rubber material coats the electronic tag 3 in the flowing process;
and S500, demolding after vulcanization molding to obtain the tire vulcanization capsule with the electronic tag.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.
Claims (7)
1. A tire curing bladder with an electronic tag comprises two opposite annular bead portions (1) and an expansion portion (2) located between the bead portions (1), and is characterized in that the bead portions (1) are internally provided with the electronic tag (3), the electronic tag (3) comprises a chip assembly (31), antennas (32) and a shell (33), the two antennas (32) are oppositely arranged on two sides of the chip assembly (31) respectively and electrically connected with the chip assembly (31), the chip assembly (31) is encapsulated in the shell (33), and the shell (33) is made of heat-insulating rubber;
the chip assembly (31) comprises a printed board (311) and a chip (312), the printed board (311) comprises a fixed end face (3111) and a copper-clad end face (3112), and the chip (312) is fixed on the copper-clad end face (3112) of the printed board (311);
the antenna (32) comprises a linear end (321) and a corrugated end (322) which are integrally formed, wherein the linear end (321) is connected with a pin on a copper-clad end surface (3112) of the printed board (311);
the shell (33) comprises a first packaging part (331) and a second packaging part (332) which are connected in a buckling way;
the first packaging part (331) comprises a first lower end surface (3311) and a first upper end surface (3312), and the first upper end surface (3312) is provided with a first groove (3313) and a second groove (3314);
the second packaging part (332) comprises a second lower end surface (3321) and a second upper end surface (3322), and the second lower end surface (3321) is hermetically buckled on the first upper end surface (3312) of the first packaging part (331);
the first lower end surface (3311) of the first packaging part (331) and the second upper end surface (3322) of the second packaging part (332) are wrapped with continuous carbon fibers;
two groups of first hole groups and second hole groups which are parallel to the first groove (3313) are respectively arranged at the upper end and the lower end of the first packaging part (331) close to the first groove (3313), the first hole group consists of a plurality of first honeycomb holes (3315) which are linearly arranged, and the second hole group consists of a plurality of second honeycomb holes (3316) which are linearly arranged;
a third hole group and a fourth hole group are respectively arranged on the second packaging part (332) at positions corresponding to the first hole group and the second hole group, the third hole group is composed of a plurality of linearly arranged third honeycomb holes (3323), the third honeycomb holes (3323) have the same shape and size as the first honeycomb holes (3315), the fourth hole group is composed of a plurality of linearly arranged fourth honeycomb holes (3324), and the fourth honeycomb holes (3324) have the same shape and size as the second honeycomb holes (3316); when the first packaging part (331) is buckled with the second packaging part (332), the first honeycomb hole (3315) is correspondingly communicated with the third honeycomb hole (3323), the second honeycomb hole (3316) is correspondingly communicated with the fourth honeycomb hole (3324), and the continuous carbon fiber sequentially passes through the first honeycomb hole (3315), the third honeycomb hole (3323), the fourth honeycomb hole (3324) and the second honeycomb hole (3316) to be wound and coated on the first lower end surface (3311) of the first packaging part (331) and the second upper end surface (3322) of the second packaging part (332).
2. The tire curing bladder with electronic label as claimed in claim 1, wherein the chip module (31) further comprises a honeycomb spacer (313), and the honeycomb spacer (313) is fixedly connected to the fixing end surface (3111) of the printed board (311).
3. The tire curing bladder with electronic label of claim 2, wherein the first groove (3313) is internally fixed with the chip component (31), and the copper-coated end face (3112) of the printed board (311) faces the opening end of the first groove (3313); the number of the second grooves (3314) is two, the second grooves are respectively oppositely arranged on two sides of the first groove (3313) and communicated with the first groove (3313), and the linear end (321) of the antenna (32) is partially arranged in the second groove (3314).
4. The tire curing bladder with electronic tag according to claim 3, wherein the housing (33) further comprises two oppositely disposed extensions (333), the extensions (333) are respectively disposed on two sides of the first packaging part (331) and are in the same direction as the extension direction of the antenna (32);
the extension part (333) comprises a third lower end surface (3331) and a third upper end surface (3332), a third groove (3333) is formed in the third upper end surface (3332), the third groove (3333) is communicated with the second groove (3314) continuously and is identical to the antenna (32) in shape, and the antenna (32) is fixedly arranged in the third groove (3333).
5. The electronic labeled tire curing bladder as claimed in claim 4, wherein a film (4) is fixed to said housing (33), said film (4) comprising a first strip of film (41) and a second strip of film (42), said first strip of film (41) being fixed to said first lower end surface (3311) of said first enclosure portion (331), said second strip of film (42) being fixed to said third lower end surface (3331) of said extension portion (333).
6. A method for preparing an electronic tag, which is used for preparing the electronic tag (3) in the tire curing bladder with the electronic tag, as claimed in claim 4, and comprises the following steps:
step S10, preparing the shell (33) by using heat-insulating rubber, which comprises the following steps:
step S11, preparing a first packaging part (331) and an extending part (333) which are integrally formed by adopting a mould pressing forming method;
step S12, preparing a second packaging part (332) by adopting a mould pressing forming method;
step S20, preparing a chip assembly (31), specifically including the steps of:
step S21, preparing a honeycomb partition plate (313) by adopting a high-temperature-resistant ceramic material, and adhering the honeycomb partition plate (313) to a fixed end face (3111) of the printed board (311);
step S22, soldering the chip 312 to the copper-clad end face 3112 of the printed board 311,
step S23, sealing the welding point of the chip (312) and the printed board (311) by using high temperature resistant epoxy protective glue;
step S30, electrically connecting the antenna (32) and the chip assembly (31), specifically including the steps of:
step S31, welding the straight end (321) of the antenna (32) on the pin of the copper-clad end face (3112) of the printed board (311) to enable the straight end to be electrically connected with the chip (312);
step S32, sealing the welding point of the antenna (32) and the printed board (311) by using high-temperature-resistant epoxy protective glue;
step S40, placing the connected antenna (32) and chip assembly (31) into the first packaging part (331) and the extension part (333) in the step S11;
step S50, the second packaging part (332) is sealed and buckled on the first packaging part (331);
step S60, soaking continuous carbon fibers in high-temperature-resistant epoxy protective glue, and winding the carbon fibers on the outer surfaces of the first packaging part (331) and the second packaging part (332) which are hermetically buckled in the step S50;
and step S70, curing after winding to obtain the electronic tag.
7. A method for preparing a tire curing bladder with an electronic tag, wherein the electronic tag is prepared by the method for preparing the electronic tag according to claim 6, and the method comprises the following steps:
step S100, opening a curing capsule mold (100), wherein the curing capsule mold (100) comprises a lower mold (110), an upper mold (120) and a mold core (130), and a tire bead forming part (131) is arranged on the mold core (130);
step S200, the electronic label (3) is adhered to the bead forming part (131) through the film (4), and the method specifically comprises the following steps:
step S210, coating a rubber adhesive on a first lower end surface (3311) of a first packaging part (331), adhering and fixing one end surface of a first strip-shaped film (41), and coating the other end surface of the first strip-shaped film (41) with the rubber adhesive;
step S220, coating rubber adhesive on a third lower end surface (3331) of the extension part (333), adhering and fixing one end surface of a second strip-shaped rubber sheet (42), and coating the other end surface of the second strip-shaped rubber sheet (42) with rubber adhesive;
step S230, adhering the first strip-shaped rubber sheet (41) and the second strip-shaped rubber sheet (42) to a bead forming part (131) of the mold core (130);
step S240, completing the bonding operation after the rubber adhesive is cured;
step S300, closing the mold, namely, sequentially seating the mold core (130) and the upper mold (120) on the lower mold (110), and forming a molding mold cavity of a curing capsule inside the curing capsule mold (100) after the curing capsule mold is closed;
s400, injecting a curing capsule rubber material into the curing capsule mold (100) by adopting an injection molding process, wherein the curing capsule rubber material coats the electronic tag (3) in the flowing process;
and S500, demolding after vulcanization molding to obtain the tire vulcanization capsule with the electronic tag.
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| CN202110071108.XA CN112388875B (en) | 2021-01-19 | 2021-01-19 | Tire curing bladder with electronic tag and preparation method thereof |
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| CN202110071108.XA CN112388875B (en) | 2021-01-19 | 2021-01-19 | Tire curing bladder with electronic tag and preparation method thereof |
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