CN111267320A - Two compound tire side wall extrusion die device - Google Patents
Two compound tire side wall extrusion die device Download PDFInfo
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- CN111267320A CN111267320A CN202010208375.2A CN202010208375A CN111267320A CN 111267320 A CN111267320 A CN 111267320A CN 202010208375 A CN202010208375 A CN 202010208375A CN 111267320 A CN111267320 A CN 111267320A
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- mouth
- type
- glue outlet
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- lip
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/256—Exchangeable extruder parts
- B29C48/2566—Die parts
-
- 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)
- B29D30/72—Side-walls
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Tyre Moulding (AREA)
Abstract
The invention relates to a two-composite tire side wall die pressing device, and belongs to the field of tire production and vulcanization. Be equipped with the mouth type box, the mouth type is in advance installed to the inside of the mouth type box, and the outer die plate of external mounting, its characterized in that, the mouth type is monolithic structure in advance, two of the mouth type in advance go up the jiao kou and two in advance the gum kou under the mouth type and be axisymmetric arranges, go up the jiao kou in advance and be provided with the outer die plate with the outer export department of the gum kou under the mouth type in advance, the outer die plate includes outer die upper plate and outer die hypoplastron through bolted connection. According to the invention, a new sidewall pre-opening type is not required to be added, for the tires produced by the same molding method, the pre-opening type is not required to be replaced, and sidewall rubber parts of all sidewall rubbers and sub-opening rubbers with different lap joint widths, different widths and thicknesses, and different widths and thicknesses of sub-openings can be produced by replacing the outer opening type plate, so that the tooling cost of the sidewall pre-opening type of a tire enterprise is saved.
Description
Technical Field
The invention relates to the field of tire production devices, in particular to a tire side extrusion device for two composite tires, wherein the tire side extrusion device is controllable in lap joint width of tire side rubber and sub-opening rubber.
Background
As is well known, the models of the current passenger car tires are more and more, the applications of the tires are more and more extensive, and in order to meet different performance requirements of passenger car tires such as control, durability, high speed and the like, the sidewall rubber and the bead filler of the sidewall rubber component need to be designed into different lap widths. According to the traditional oblique lapping mode of the sidewall rubber and the sub-opening rubber, once the thicknesses of the pre-opening type semi-finished product and the sidewall semi-finished product are determined, the lapping width is determined. Therefore, in the production process of the tire, in order to meet the requirement of different overlapping widths of the sidewall rubber and the bead filler, a plurality of sidewall pre-dies are required to be processed. Therefore, the tire manufacturing enterprises can increase the cost of the tool due to the large number of the pre-opening shapes, and meanwhile, the processing period of the pre-opening shapes is long, so that the development progress of new products is influenced, and the development period of the new products is prolonged. Meanwhile, the number of the tire side pre-opening shapes is large, so that the frequency of replacing the pre-opening shapes in the tire production process is increased, and the production efficiency is reduced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a device for extruding a mouth from two composite tire sidewalls, and aims to solve the problems that in the tire extruding process commonly existing in domestic tire enterprises at present, due to the fact that the lap joint width of sidewall rubber and bead rubber is different, a plurality of sidewall pre-mouths are needed, sidewalls with different specifications and models are produced, the product performance requirements are met, the tooling cost of the pre-mouths is increased, and the development progress of new products of the tire enterprises is restricted. The invention provides a tire side rubber and sub-rim rubber overlapping width controllable two-composite tire side rubber extrusion die device, which can extrude tire side rubber parts with different tire side and sub-rim overlapping widths, different widths and thicknesses of tire side rubber and different widths and thicknesses of sub-rim rubber by only replacing an outer rim template without replacing a pre-die for a tire produced by a molding mode.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a two compound tire side wall extrusion die type devices, is equipped with the mouth type box, and the mouth type is in advance installed to the inside of mouth type box, and the outer mouthful template of external mounting, its characterized in that, the mouth type is monolithic structure in advance, two of the mouth type in advance go up the jiao kou and two in advance the mouth type down the jiao kou be axisymmetric arranges, go up the jiao kou in advance and be provided with outer mouthful template with the outer export department of the jiao kou under the mouth type in advance, outer mouthful template includes outer mouthful type upper plate and outer mouthful type hypoplastron through bolted connection.
The two pairs of pre-opening type upper glue outlets and the pre-opening type lower glue outlets which are axially symmetrical on the pre-opening type are rectangular, the pre-opening type upper glue outlets and the pre-opening type lower glue outlets on the same side are arranged in parallel, the length of the pre-opening type upper glue outlets is 300-400 mm, the width of the pre-opening type upper glue outlets is 15-25 mm, the length of the pre-opening type lower glue outlets is 200-300 mm, the width of the pre-opening type lower glue outlets is 10-20 mm, and the pre-opening type upper glue outlets and the pre-opening type lower glue outlets on the same side have the overlapping width of 60-100 mm.
The outer mouth type upper plate and the outer mouth type lower plate of the outer mouth type plate are respectively provided with an outer mouth type upper plate glue outlet and an outer mouth type lower plate glue outlet which respectively correspond to the pre-mouth type upper glue outlet and the pre-mouth type lower glue outlet of the pre-mouth type, the outer mouth type upper plate glue outlet and the outer mouth type lower plate glue outlet are in lap joint with a certain length, and the two glue outlets form a large glue outlet.
The invention has the advantages that in order to meet the requirements of different performances of control, durability, high speed and the like of the passenger car tire, different lap joint widths of the sidewall rubber and the bead filler are required for products with different purposes, a new sidewall pre-opening type is not required to be added, and sidewall rubber parts with different lap joint widths, sidewalls with different widths and thicknesses and bead fillers with different widths and different thicknesses can be produced for the tire produced by the same forming method by only replacing an outer opening type plate without replacing the pre-opening type, so that the tooling cost of the sidewall pre-opening type of a tire enterprise is saved.
Drawings
FIG. 1 is a schematic front view of the die case of the present invention.
Fig. 2 is a schematic view of the center cross-sectional structure of the die case of the present invention.
FIG. 3 is a schematic view of a cross-sectional structure of a double sidewall formed by a single process.
Fig. 4 is a schematic structural diagram of the front surface of an outer mouth-shaped plate formed by one-step method.
FIG. 5 is a schematic view of a one-step process for forming the back surface of the outer plate.
FIG. 6 is a front view of an outer die formed by one-step molding.
Fig. 7 is a front structural schematic view of an outer mouth type lower plate formed in one step.
FIG. 8 is a schematic structural diagram of a front face of a pre-die formed by a one-step method.
FIG. 9 is a schematic view of a one-step back structure of a pre-die.
FIG. 10 is a schematic view of a two-shot molded dual sidewall cross-sectional configuration.
FIG. 11 is a schematic view of the front structure of the two-shot outer mouth plate.
FIG. 12 is a schematic view of a two-shot molded outer plate back construction.
FIG. 13 is a schematic view of the front structure of a two-shot pre-die.
FIG. 14 is a schematic view of a two-shot back configuration.
In the figure, 1, a shell box, 2, an outer mouth upper plate, 3, an outer mouth lower plate, 4, an outer mouth upper plate glue outlet, 5, an outer mouth lower plate glue outlet, 6, a pre-mouth, 7, an outer mouth upper glue outlet, 8, a pre-mouth lower glue outlet, 9, an outer mouth upper plate, 10, an outer mouth lower plate, 11, an outer mouth upper plate glue outlet, 12, an outer mouth lower plate glue outlet, 13, a pre-mouth, 14, a pre-mouth upper glue outlet, 15, a pre-mouth lower glue outlet, A1, the lap joint width of a side wall glue part formed by a one-step method, A2, the lap joint width of an outer mouth upper plate opening and an outer mouth lower plate opening formed by a one-step, A3, the lap joint width of an upper glue outlet and a lower glue outlet of a pre-mouth formed by a one-step, B1, the lap joint width of a side wall glue part formed by a second step, and the lap joint width of an outer mouth upper plate opening and a lower plate opening formed by a second step, B3. the lap joint width of the upper glue outlet and the lower glue outlet of the pre-opening type formed by the secondary method.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8 and 9, the invention is provided with a mouth-shaped box 1, a pre-mouth-shaped 6 is arranged in the mouth-shaped box 1, the pre-mouth-shaped 6 is of an integral structure, two pairs of glue outlets, namely a pre-mouth-shaped upper glue outlet 7 and a pre-mouth-shaped lower glue outlet 8, which are axisymmetric are processed on the pre-mouth-shaped 6, and the two glue outlets, namely the pre-mouth-shaped upper glue outlet 7 and the pre-mouth-shaped lower glue outlet 8, on the same side of the pre-mouth-shaped 6 are arranged in parallel in a rectangular shape. The length of a single pre-opening type upper glue outlet 7 of the pre-opening type 6 is 300mm-400mm, the width is 15mm-25mm, the length of a single pre-opening type lower glue outlet 8 is 200mm-300mm, the width is 10mm-20mm, and the pre-opening type upper glue outlet 7 and the pre-opening type lower glue outlet 8 on the same side of the pre-opening type 6 are overlapped with each other by 60mm-100 mm. The outer outlet of the glue outlet 7 on the pre-opening type of the pre-opening type 6 and the glue outlet 8 under the pre-opening type is provided with an outer opening type plate, the outer opening type plate comprises an outer opening type upper plate 2 and an outer opening type lower plate 3 which are connected through bolts, the outer opening type upper plate 2 and the outer opening type lower plate 3 are respectively provided with an outer opening type upper plate glue outlet 4 and two glue outlets of the glue outlet 5 of the outer opening type lower plate, the glue outlet 7 on the pre-opening type and the glue outlet 8 under the pre-opening type are correspondingly arranged, the glue outlet 4 of the outer opening type upper plate and the glue outlet 5 of the outer opening type lower plate are in lap joint with a certain length, and the two glue outlets form a large glue outlet.
As shown in fig. 8, the sidewall rubber flows through the pre-lip upper rubber outlet 7 of the pre-lip 6 to reach the outer lip upper plate rubber outlet 4 of the outer lip upper plate 2, the bead rubber flows through the pre-lip lower rubber outlet 8 of the pre-lip 6 to reach the outer lip lower plate rubber outlet 5 of the outer lip lower plate 3, and the sidewall rubber and the bead rubber join together at the inner sides of the outer lip lower plate rubber outlet 5 and the outer lip upper plate rubber outlet 4 of the outer lip mold plate and then flow through the large rubber outlet formed by overlapping the outer lip upper plate rubber outlet 4 and the outer lip lower plate rubber outlet 5, thereby completing the extrusion of the sidewall rubber component.
The method can be divided into primary molding and secondary molding according to the different tire molding modes. Different molding methods require sidewall rubber parts of different shapes. The schematic structural diagram of the cross section of the sidewall formed by the one-step method is shown in FIG. 3, the bead filler is on the inner side, the sidewall filler is on the outer side, and all sidewalls can share a pre-opening shape; the schematic structural diagram of the cross section of the sidewall formed by the secondary method is shown in fig. 10, the bead filler is on the outer side, the sidewall filler is on the inner side, and all sidewalls can share a pre-opening shape. The two pre-opening dies can meet the extrusion of all sidewall rubber parts.
The outer lip plate shown in fig. 4 is broken down into a disposable outer lip upper plate 2 of fig. 6 and a disposable outer lip lower plate 3 of fig. 7. Two notches with dotted lines shown in fig. 6 are a one-time outer-mouth upper plate glue outlet 4 of a one-time outer-mouth upper plate 2, which corresponds to two one-time pre-mouth upper glue outlets 7, namely side glue outlets, of a one-time pre-mouth upper plate 6; the two notches with dotted lines shown in fig. 7 are the one-time outer-mouth lower plate glue outlet 5 of the one-time outer-mouth lower plate 3, and correspond to the two one-time pre-mouth lower glue outlets 8 of the pre-mouth 6, i.e. the glue outlets of the sub-mouth glue.
The sidewall rubber component shown in fig. 3, wherein a1 is the overlapping width of the sidewall rubber and the bead filler, once the design size of the sidewall is determined, a1 is determined, the overlapping width of the upper and lower openings of the outer opening plate and the size of the upper and lower openings of the outer opening plate can be calculated according to the overlapping width a1 and the shrinkage coefficient of the rubber, so that the overlapping width a2 of the upper and lower openings of the outer opening plate in fig. 4 can be determined, and the opening processing of the outer opening plate can be completed according to the data. For the sidewall rubber parts commonly used by tire enterprises, the lap joint width a3 of the one-time pre-lip upper rubber outlet 7 and the one-time pre-lip lower rubber outlet 8 of the one-time pre-lip 6 in fig. 8 is 60mm-100mm, and thus the production requirements of all sidewalls can be met.
If a sidewall of the construction shown in FIG. 3 is to be produced, a one-shot outer lip as shown in FIG. 4 and a one-shot pre-lip 6 as shown in FIG. 8 are required. Sidewall rubber flows through a primary pre-opening type upper rubber outlet 7 of a primary pre-opening type 6 and reaches a primary outer opening type upper rubber outlet 4 of a primary outer opening type upper plate 2, bead rubber flows through a primary pre-opening type lower rubber outlet 8 of the primary pre-opening type 6 and reaches a primary outer opening type lower plate rubber outlet 5 of a primary outer opening type lower plate 3, and the sidewall rubber and the bead rubber are converged at the inner sides of combined openings of the primary outer opening type upper plate rubber outlet 4 of the primary outer opening type upper plate 2 and the primary outer opening type lower plate rubber outlet 5 of the primary outer opening type lower plate 3 and flow through outer opening type plate rubber outlets together to finish sidewall extrusion of the structure shown in fig. 3 together.
If a sidewall of the construction shown in FIG. 10 is to be produced, a secondary outside swage as shown in FIGS. 11 and 12 and a secondary pre-swage 13 as shown in FIGS. 13 and 14 are required. The sidewall rubber flows through a secondary pre-opening type upper rubber outlet 14 of a secondary pre-opening type 13 to reach a secondary outer opening type upper plate rubber outlet 11 of a secondary outer opening type upper plate 9, the bead rubber flows through a secondary pre-opening type lower rubber outlet 15 of the secondary pre-opening type 13 to reach a secondary outer opening type lower plate rubber outlet 12 of a secondary outer opening type lower plate 10, the sidewall rubber and the bead rubber are converged at the inner sides of the secondary outer opening type upper plate rubber outlet 11 of the outer opening type upper plate 9 and the secondary outer opening type lower plate rubber outlet 12 of the outer opening type lower plate 10 and flow through the outer opening type rubber outlets together to jointly complete sidewall extrusion of the structure shown in fig. 10.
Claims (3)
1. The utility model provides a two compound tire side wall extrusion die type devices, is equipped with the mouth type box, and the mouth type is in advance installed to the inside of mouth type box, and the outer mouthful template of external mounting, its characterized in that, the mouth type is monolithic structure in advance, two of the mouth type in advance go up the jiao kou and two in advance the mouth type down the jiao kou be axisymmetric arranges, go up the jiao kou in advance and be provided with outer mouthful template with the outer export department of the jiao kou under the mouth type in advance, outer mouthful template includes outer mouthful type upper plate and outer mouthful type hypoplastron through bolted connection.
2. The two-compound tire sidewall extrusion die device according to claim 1, wherein the two pairs of pre-lip upper glue outlets and the pre-lip lower glue outlets which are axially symmetrical to each other on the pre-lip are rectangular, the pre-lip upper glue outlet and the pre-lip lower glue outlet on the same side are arranged in parallel, the length of the pre-lip upper glue outlet is 300mm to 400mm, the width of the pre-lip upper glue outlet is 15mm to 25mm, the length of the pre-lip lower glue outlet is 200mm to 300mm, the width of the pre-lip lower glue outlet is 10mm to 20mm, and the pre-lip upper glue outlet and the pre-lip lower glue outlet on the same side have an overlapping width of 60mm to 100 mm.
3. The two-piece tire sidewall extrusion molding apparatus according to claim 1, wherein the outer-mouth upper plate and the outer-mouth lower plate of the outer-mouth mold plate are respectively provided with an outer-mouth upper plate glue outlet and an outer-mouth lower plate glue outlet, which respectively correspond to the pre-mouth upper glue outlet and the pre-mouth lower glue outlet of the pre-mouth, the outer-mouth upper plate glue outlet and the outer-mouth lower plate glue outlet are overlapped with each other by a certain length, and the two glue outlets form a large glue outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010208375.2A CN111267320A (en) | 2020-03-23 | 2020-03-23 | Two compound tire side wall extrusion die device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010208375.2A CN111267320A (en) | 2020-03-23 | 2020-03-23 | Two compound tire side wall extrusion die device |
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| Publication Number | Publication Date |
|---|---|
| CN111267320A true CN111267320A (en) | 2020-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010208375.2A Pending CN111267320A (en) | 2020-03-23 | 2020-03-23 | Two compound tire side wall extrusion die device |
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| CN (1) | CN111267320A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112454858A (en) * | 2020-11-02 | 2021-03-09 | 青岛森麒麟轮胎股份有限公司 | Tire side pre-opening type and tire side extrusion production line |
| CN115008803A (en) * | 2022-06-23 | 2022-09-06 | 赛轮集团股份有限公司 | Tire forming method |
-
2020
- 2020-03-23 CN CN202010208375.2A patent/CN111267320A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112454858A (en) * | 2020-11-02 | 2021-03-09 | 青岛森麒麟轮胎股份有限公司 | Tire side pre-opening type and tire side extrusion production line |
| CN112454858B (en) * | 2020-11-02 | 2022-06-21 | 青岛森麒麟轮胎股份有限公司 | Tire side pre-opening type and tire side extrusion production line |
| CN115008803A (en) * | 2022-06-23 | 2022-09-06 | 赛轮集团股份有限公司 | Tire forming method |
| CN115008803B (en) * | 2022-06-23 | 2024-06-11 | 赛轮集团股份有限公司 | Tire molding method |
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