CN212331781U

CN212331781U - Special three-composite extrusion belt double-conductive-structure pre-opening type for studded snow tread

Info

Publication number: CN212331781U
Application number: CN202020600048.7U
Authority: CN
Inventors: 丁木; 贾进义; 王大鹏; 焦文秀; 赵光芳; 韩玉瑶
Original assignee: Triangle Tyre Co Ltd
Current assignee: Triangle Tyre Co Ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-01-12
Anticipated expiration: 2030-04-21

Abstract

The utility model relates to a special three complex of nail-embedded snowfield tread are extruded and are taken two conducting structure and mouthful type in advance belongs to tire apparatus for producing field. The upper plane, the middle plane and the lower plane of the front face of the pre-opening type body and the plane of the back face are respectively an upper front face, a front face, a lower front face and a front back face, the two side wing rubber channels are positioned on the surface of the upper front face of the pre-opening type body, the three crown rubber channels penetrate from the middle part of the front back face of the pre-opening type body to the middle part of the front face of the pre-opening type body, one transition rubber and conductive rubber shared channel is positioned on the surface of the lower front face of the pre-opening type body, the side wing rubber inlet, the crown rubber inlet, the transition rubber and conductive rubber shared inlet of the two side wing rubber channels, the three crown rubber channels and the conductive rubber shared channel are positioned on the front back face of the pre-opening type body, and the corresponding side wing rubber outlet, crown rubber outlet and transition rubber outlet are positioned on.

Description

Special three-composite extrusion belt double-conductive-structure pre-opening type for studded snow tread

Technical Field

The utility model relates to a tire production facility field says in detail that a special three complex of nail-embedded snowfield tread are extruded and are taken two conductive structure and mouthful type in advance.

Background

As is known, snow tires are currently classified more and more finely, such as snow tires, ice tires, high-speed snow tires, and the like. For some icy tires, nails are embedded in the tread of the finished tire in order to provide better grip. In general, in order to ensure good performance of snow and ice, the tread rubber is soft, and if the nails are embedded in the soft rubber, the nails of the tire can be removed during high-speed running. This just needs to design into upper and lower two-layer with snowfield tread, and upper crown rubber is softer, provides good ice and snow ground performance, and lower floor's transition is glued harder, guarantees snowfield tire's high speed and durability, and lower floor's transition is glued thickly simultaneously, is not less than 4.5mm usually, and this kind of lower floor's transition is glued thick again and hard structural design can inlay the mushroom head of inlaying the nail completely in the ebonite, guarantees to inlay the nail firm, and the tire is gone under high-speed or abominable road conditions, and the nail is difficult for droing.

In order to ensure good snow and ice gripping performance and low-temperature flexibility of the snow tire, the using amount of the white carbon black in the tire tread is higher and higher, the proportion of the white carbon black is lower, and the white carbon black is even only used as a coloring agent. The high content of white carbon black in the tread can lead to poor conductivity of the finished tire, and static generated in the running process of the tire can not be smoothly conducted to the ground, thereby bringing potential safety hazards to drivers and passengers. Therefore, the electrical conductivity of the tire needs to be considered in product design. It is known that most snow tire patterns on the market are asymmetric, and if one conductive rubber is designed on the tire tread, the conductive rubber may fall into the groove after vulcanization, and cannot conduct electricity.

According to understanding, present tire enterprise tread production line is mostly three compound extrusion lines, and the die type device of current three compound production lines can't realize that extrusion thickness exceeds 4.5 mm's transition glue, still has two electrically conductive adhesive tape's tread simultaneously, can't satisfy simultaneously that high white carbon black inlays the nail of inlaying of nail snowfield tread and two electrically conductive demands, and this development of the nail of inlaying snowfield tire product of tire enterprise high added value has been restricted.

Disclosure of Invention

In order to overcome the not enough of prior art, the utility model provides a special three complex of nail-embedded snowfield tread are extruded and are taken two conducting structure and mouthful type in advance, not only can extrude the tread that the transition glue is not less than 4.5mm thickness, satisfy snowfield tread and inlay the needs of nail, and the tread still has two conducting structure simultaneously, even satisfy a conducting resin and fall in the tread groove, another conducting resin is on the decorative pattern piece, also can realize the electrically conductive function of tire.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a special three complex of nail-embedded snowfield tread are extruded and are taken two conductive structure and open type in advance is equipped with the type in advance, its characterized in that: the pre-mouth body comprises two side wing rubber channels, three crown rubber channels, a transition rubber and conductive rubber shared channel, the upper plane, the middle plane, the lower plane and the back plane of the front face of the pre-mouth body are respectively the upper front face, the lower front face and the front back face, the two side wing rubber channels are positioned on the surface of the upper front face of the pre-mouth body, the three crown rubber channels penetrate from the middle part of the front back face of the pre-mouth body to the middle part of the front face of the pre-mouth body, the transition rubber and conductive rubber shared channel is positioned on the surface of the lower front face of the pre-mouth body, the two side wing rubber channels, the three crown rubber channels, the side wing rubber inlet of the conductive rubber and transition rubber shared channel, the crown rubber inlet and the common rubber inlet of the transition rubber and the conductive rubber are positioned on the, the corresponding side wing rubber outlet, crown rubber outlet and transition rubber outlet are positioned right in front of the pre-opening type body.

The front of the pre-opening type body is provided with two rectangular conductive adhesive glue outlets to divide the crown rubber glue outlet into three independent crown rubber glue outlets, and each conductive adhesive glue outlet corresponds to a sinking flow channel in a transition rubber and conductive adhesive shared flow channel and is in a horn mouth shape.

The upper and lower spacing of the crown rubber outlet is 8-14 mm, the upper and lower spacing of the transition rubber outlet is 16-28 mm, and the ratio of the upper and lower spacing is 1: 2.

The distance between the two conductive adhesive outlets is 80-120 mm, and the width of a single conductive adhesive outlet is 3-6 mm.

The beneficial effects of the utility model are that, need not to purchase new tread production line or reform transform equipment, on the basis of original three compound tread extrusion lines, only need increase one in advance the mouth type, just can extrude the tread that transition glue thickness surpassed 4.5mm, satisfy snow child and inlay the needs of nail, the tread of extruding simultaneously still takes two electrically conductive adhesive tapes, if the asymmetric decorative pattern snow tire of high proportion white carbon black had only one electrically conductive glue, fallen into the unable electrically conductive problem in the tread groove of fine solution. The method greatly saves the equipment purchasing or modification cost, accelerates the development speed of the high-added-value snow tire product, and solves the problem that the existing three-composite extrusion production line of the tire enterprise commonly existing in the industry cannot extrude the tread of the nail snow tire.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a back view of the present invention.

Fig. 3 is an isometric view of the present invention.

Fig. 4 is a schematic plan view of all the channel glue outlets of the present invention.

Fig. 5 is a schematic plan view of the glue inlet of all the channels of the present invention.

FIG. 6 is a schematic view of the tread outer lip configuration.

Fig. 7 is a schematic view of the extruded tread structure of the present invention.

In the figure, 1, a side wing rubber channel, 2, a tire cap rubber channel, 3, a transition rubber and conductive rubber shared channel, 4, a side wing rubber outlet, 5, a tire cap rubber outlet, 6, a transition rubber outlet, 7, a conductive rubber outlet, 8, a side wing rubber inlet, 9, a tire cap rubber inlet, 10, a transition rubber and conductive rubber shared rubber inlet, 11, an outer opening template and 12, an outer opening template opening are arranged. 13. Upper front, 14, right front, 15, lower front, 16, right back.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1, 2 and 3, the pre-mouth body comprises two wing rubber channels 1, three crown rubber channels 2, one transition rubber and conductive rubber common channel 3, and the upper plane, the middle plane, the lower plane and the back plane of the front face of the pre-mouth body are respectively defined as an upper front face 13, a right front face 14, a lower front face 15 and a right back face 16 of the pre-mouth body. Two flanking rubber channels 1 are positioned on the surface of the upper front surface 13 of the pre-opening type body, three crown rubber channels 2 penetrate from the middle part of the right back surface 16 of the pre-opening type body to the middle part of the right front surface 14 of the pre-opening type body, and a transition rubber and conductive rubber shared channel 3 is positioned on the surface of the lower front surface 15 of the pre-opening type body. The two side wing rubber channels 1, the three crown rubber channels 2 and the side wing rubber glue inlet 8, the crown rubber glue inlet 9 and the transition rubber and conductive rubber shared glue inlet 10 of the conductive rubber and transition rubber shared channel 3 are all located right behind the pre-opening type body 16, and the corresponding crown rubber glue outlet 5, the transition rubber glue outlet 6 and the conductive rubber glue outlet 7 are all located right in front of the pre-opening type body 14.

As shown in fig. 4, two rectangular conductive adhesive outlets 7 are designed on the front surface 14 of the pre-form body, and a part of the transition adhesive can be guided to the middle of the tread adhesive through a sinking channel in the common channel 3 for the transition adhesive and the conductive adhesive to form a chimney-shaped adhesive tape penetrating through the tread to play a role of guiding away static electricity, which is commonly referred to as "chimney adhesive" or "conductive adhesive" in the industry. The sinking channel corresponding to each conductive adhesive outlet 7 in the transition adhesive and conductive adhesive shared channel 3 is in a horn mouth shape, so that the conductive adhesive can be smoothly discharged, and the appearance meets the design requirement. The structural design of two conducting resins has guaranteed that even a conducting resin falls in the tread groove, another conducting resin is located the decorative pattern piece, also can play electrically conductive effect, and two conducting resin play jiao kou 7 divide into three independent play jiao kou with crown gum play jiao kou 5.

As shown in figure 4, the upper and lower intervals of the tire crown rubber outlet 5 of the pre-opening type body are 8mm-14mm, the upper and lower intervals of the transition rubber outlet 6 are 16mm-28mm, the ratio of the tire crown rubber outlet 5 to the transition rubber outlet 6 is 1:2, and the rubber outlet with the structural design can ensure that the thickness of the transition rubber extruded out of the tire tread is not less than 4.5 mm.

As shown in FIG. 4, the distance between two conductive adhesive outlets 7 of the pre-die is 80mm-120mm, and the width of a single conductive adhesive outlet 7 is 3mm-6 mm.

As shown in fig. 5, there are two side wing rubber inlets 8, three crown rubber inlets 9, and one common rubber inlet 10 for transition rubber and conductive rubber.

As shown in FIG. 7, the pre-lip extruded tread cap has a thickness of about half the tread thickness, typically no less than 4.5mm, and two conductive pastes.

If a tread of the form shown in fig. 7 is to be produced, the side wing rubber extruded from the head flows through the side wing rubber channel 1 to the side wing rubber outlet 4 shown in fig. 4, the crown rubber extruded from the head flows through the crown rubber channel 2 to the crown rubber outlet 5 shown in fig. 4, the transition rubber extruded from the head flows through the common channel 3 for the transition rubber and the conductive rubber to the transition rubber outlet 6 shown in fig. 4, part of the transition rubber reaches the conductive rubber outlet 7 through the sinking channel in the common channel 3 for the transition rubber and the conductive rubber, and the side wing rubber, the crown rubber, the transition rubber and the conductive rubber flowing from the three channels are converged at the inner side of the outer mouth plate opening 12 of the outer mouth plate 11 (as shown in fig. 6) and flow together through the outer mouth plate opening 12, so that the extrusion of the tread of the thick transition rubber double conductive structure studded tread shown in fig. 7 is completed.

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that the above embodiments are illustrative only and are not limiting upon the scope of the invention. Those skilled in the art may make simple modifications according to the design concept of the present invention, such as adjusting the widths of the three outlets 5 of the crown compound, moving the conductive compound outlet 7 at the position of the outlet 5 of the crown compound, and changing the shape of the conductive compound outlet 7, for example, adjusting the shape to be a parallelogram or a trapezoid, etc., should be covered by the protection scope of the claims of the present invention.

Claims

1. The utility model provides a special three complex of nail-embedded snowfield tread are extruded and are taken two conductive structure and open type in advance is equipped with the type in advance, its characterized in that: the pre-mouth body comprises two side wing rubber channels, three crown rubber channels, a transition rubber and conductive rubber shared channel, the upper plane, the middle plane, the lower plane and the back plane of the front face of the pre-mouth body are respectively the upper front face, the lower front face and the front back face, the two side wing rubber channels are positioned on the surface of the upper front face of the pre-mouth body, the three crown rubber channels penetrate from the middle part of the front back face of the pre-mouth body to the middle part of the front face of the pre-mouth body, the transition rubber and conductive rubber shared channel is positioned on the surface of the lower front face of the pre-mouth body, the two side wing rubber channels, the three crown rubber channels, the side wing rubber inlet of the conductive rubber and transition rubber shared channel, the crown rubber inlet and the common rubber inlet of the transition rubber and the conductive rubber are positioned on the, the corresponding side wing rubber outlet, crown rubber outlet and transition rubber outlet are positioned right in front of the pre-opening type body.

2. The special three-composite extrusion belt double-conductive-structure pre-opening type for studded snow tire tread as claimed in claim 1, wherein two rectangular conductive rubber outlets are arranged right in front of the pre-opening type body to divide the tire crown rubber outlet into three independent tire crown rubber outlets, and each conductive rubber outlet corresponds to a sinking flow channel in the transition rubber and conductive rubber shared flow channel and is in a horn shape.

3. The special three-composite extrusion belt double-conductive-structure pre-opening type for studded snow treads as claimed in claim 1, wherein the upper and lower spacing between the crown rubber outlets is 8mm-14mm, and the upper and lower spacing between the transition rubber outlets is 16mm-28mm, and the ratio of the upper and lower spacing between the crown rubber outlets is 1: 2.

4. The special three-composite extrusion belt double-conductive-structure pre-opening type for studded snow tread as claimed in claim 2, wherein the distance between the two conductive adhesive outlets is 80mm-120mm, and the width of the single conductive adhesive outlet is 3mm-6 mm.