Portable middle opening gold frame for extruding tire tread and tire bead

The portable center frame with modular design and inlay connection solves the problems of inconvenient installation and disassembly and poor versatility of traditional center frame, and realizes rapid installation, simplified maintenance and adaptability to the production of multiple tire specifications, thereby improving tire manufacturing efficiency and quality.

CN223559015UActive Publication Date: 2025-11-18SICHUAN YUANXING RUBBER CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423245849.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-11-18
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

Traditional tire frame frames are inconvenient to install and disassemble, have poor versatility, and are difficult to maintain during tire manufacturing, which affects production efficiency and product quality stability.

Method used

The portable inner frame with a modular design is made of high-strength aluminum alloy. It ensures accurate connection through an inlaid connection structure and positioning pins. The inner frame, middle frame and outer frame form a rectangular shape and are coated with a wear-resistant layer to adapt to different tire sizes.

Benefits of technology

It reduces installation and disassembly time by 30%, improves equipment switching efficiency, reduces costs, simplifies maintenance processes by 50%, ensures production continuity, and enhances production efficiency and quality stability.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223559015U_ABST
    Figure CN223559015U_ABST
Patent Text Reader

Abstract

The utility model discloses a portable middle mouth gold frame for extruding a tire tread and a tire bead, which comprises a mouth gold frame, an inner mouth gold, a middle mouth gold and an outer mouth gold, the inner mouth gold is embedded into the inner side of a corresponding groove of the mouth gold frame, then the middle mouth gold is embedded into the other surface of the mouth gold frame, the middle mouth gold corresponds to a window of the inner mouth gold, and the outer mouth gold is embedded into a groove of the mouth gold frame. And finally, the outer opening gold is embedded into the inlet gold frame to form an outline matched with the tire in size. A modular design concept is adopted, and the whole body is composed of a plurality of sub-modules which are detachably connected. The main body frame is made of a high-strength aluminum alloy material through a precision casting process, so that the structural strength is ensured, and the weight is reduced. In the connection mode, embedded connection structures are adopted among the sub-modules, and the connection accuracy and stability are ensured in cooperation with positioning pins. By adopting the structure, the tire production efficiency can be improved, the cost is reduced, and the product quality stability is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to tire manufacturing technical field, in particular to a portable middle mouth frame for tire tread and bead extrusion. BACKGROUND

[0002] In the tire manufacturing process, the extrusion quality of the tread and the bead directly affects the performance and quality of the tire. The traditional middle mouth frame structure has many inconveniences. It is usually large in size and heavy in weight, and a large amount of manpower and time is needed in the installation and disassembly process, which seriously affects the production efficiency. Moreover, the versatility of the traditional middle mouth frame is poor, and the production switching for different specifications of tires is not flexible enough, often requiring replacement of the entire extrusion device or complex adjustment, which not only increases the production cost, but also easily leads to unstable product quality due to adjustment errors. In addition, in terms of daily maintenance and maintenance, the traditional middle mouth frame has a complex structure and numerous parts, making the maintenance work tedious and difficult. Once a part fails, it is difficult to repair, further affecting the production progress. SUMMARY

[0003] The utility model aims to solve the problems of inconvenient installation and disassembly, poor versatility, and difficult maintenance of the existing middle mouth frame in the tire manufacturing process, and designs a portable middle mouth frame for tire tread and bead extrusion, to improve tire production efficiency, reduce cost, and improve product quality stability.

[0004] The utility model realizes the above-mentioned purposes through the following technical solutions:

[0005] The utility model provides a portable middle mouth frame for tire tread and bead extrusion, which adopts a modular design concept and is composed of a plurality of detachably connected sub-modules. The main frame is made of high-strength aluminum alloy material through precision casting process, which not only ensures the structural strength but also reduces the weight. In terms of connection method, the connection structure of inlaying is adopted between the sub-modules, and the positioning pin is used to ensure the accuracy and stability of the connection. For example, the connecting parts of adjacent sub-modules are provided with corresponding grooves and protrusions. After the protrusions are inserted into the grooves, the design greatly shortens the installation and disassembly time.

[0006] As an optimization of the utility model, the middle mouth frame includes a mouth frame, an inner mouth, a middle mouth, and an outer mouth. The inner mouth is inlaid into the corresponding groove inside the mouth frame. Then, the corresponding middle mouth is selected and inlaid into the other side of the mouth frame, so that the middle mouth corresponds to the window of the inner mouth. Finally, the outer mouth is inlaid into the mouth frame to form a contour matching the size of the tire. The mouth frame, the inner mouth, the middle mouth, and the outer mouth form a complete middle mouth frame, which is in the shape of a rectangle.

[0007] As the preferred of the utility model, the inner mouth is right angle trapezoid shape, the inner mouth is in concave-convex inlay combination with the mouth frame, the outer plane of the mouth frame is flush with the outer plane of the inner mouth after inlay combination.

[0008] As the preferred of the utility model, the middle mouth is rectangle shape, the middle mouth is in concave-convex inlay combination with the mouth frame, the inner plane of the middle mouth is flush with the inner plane of the inner mouth and contact.

[0009] As the preferred of the utility model, the outer mouth is rectangle shape, the outer mouth is in concave-convex inlay combination with the mouth frame, the outer plane of the outer mouth is flush with the outer plane of the mouth frame, and the inner plane of the outer mouth is flush with the outer plane of the middle mouth.The mouth frame, the inner mouth, the middle mouth and the outer mouth form a complete middle mouth frame, and the complete middle mouth frame is rectangle shape.

[0010] As the preferred of the utility model, the inner contour surface of the middle mouth frame is treated with special wear-resistant coating, effectively reducing the friction resistance of the tread and the bead material in the extrusion process, and improving the surface quality of the product.

[0011] The utility model has the advantages of:

[0012] 1, efficient and convenient: the connection structure of quick inlay and the light assembly inlay block make the installation and disassembly time of the middle mouth frame more than 30% shorter than the traditional structure, significantly improve the equipment switching efficiency in the tire production process, reduce the production downtime, thereby improve the overall production efficiency.

[0013] 2, widely used: replaceable middle mouth of different sizes makes the middle mouth frame adapt to the production needs of various different specifications of tires, reduces the investment cost, and improves the utilization rate of production equipment.

[0014] 3, easy to maintain: simple internal structure and standardized parts design make the maintenance work simple and easy. Maintenance personnel can quickly locate the fault point and replace the damaged parts, and the maintenance time is shortened by 50%, effectively ensuring the continuity of production and reducing the production loss caused by equipment failure. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the assembly diagram of the mouth frame of the utility model;

[0016] Fig. 2 It is the schematic view of the mouth frame of the utility model;

[0017] Fig. 3 It is the schematic view of the inner mouth of the utility model;

[0018] Fig. 4 It is the schematic view of the middle mouth of the utility model;

[0019] Fig. 5 It is the outer spout gold schematic diagram of the utility model.

[0020] In the drawing: 1- spout frame, 2- inner spout gold, 3- middle spout gold, 4- outer spout gold. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0023] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0024] In the description of the utility model, it is understood that the terms "upper", "lower", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the utility model product is used, or the orientation or positional relationship commonly understood by those skilled in the art, which is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0025] In addition, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it is also necessary to explain that, unless otherwise explicitly specified and limited, the terms "providing", "connecting" and the like should be understood broadly, for example, "connecting" can be fixed connection, or detachable connection, or integrally connected; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through intermediate medium, or the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] The specific embodiments of the utility model are explained in detail below with reference to the drawings.

[0028] As shown in the accompanying Figs. 1-3 The embodiment provides a portable middle die frame for tire tread and bead extrusion, adopts modular design concept, and is composed of a plurality of detachably connected sub-modules. The main frame is made of high-strength aluminum alloy material through precision casting process, which not only ensures the structural strength but also reduces the weight. In the connection mode, the connection structure of inlaying is adopted between the sub-modules, and the positioning pin is matched to ensure the accuracy and stability of the connection. For example, the connecting parts of adjacent sub-modules are provided with corresponding grooves and protrusions, and after the protrusions are inserted into the grooves, the design greatly shortens the installation and disassembly time.

[0029] As a preferred embodiment of the utility model, the middle die frame comprises a die frame 1, an inner die 2, a middle die 3 and an outer die 4, the inner die 2 is inlaid into the corresponding groove on one side of the die frame 1, then the corresponding middle die 3 is selected, the middle die 3 is inlaid into the other side of the die frame 1, so that the middle die 3 is matched with the window of the inner die 2, and finally the outer die 4 is inlaid into the die frame 1 to form a contour matched with the size of the tire. The die frame 1, the inner die 2, the middle die 3 and the outer die 4 form a complete middle die frame, and the complete middle die frame is in a rectangular shape.

[0030] As a preferred embodiment of the utility model, the inner die 2 is in a right-angled trapezoidal shape, the inner die 2 and the die frame 1 are combined in a concave-convex inlaying mode, and the outer plane of the die frame 1 is flush with the outer plane of the inner die 2 after inlaying combination.

[0031] As a preferred embodiment of the utility model, the middle die 3 is in a rectangular shape, the middle die 3 and the die frame 1 are combined in a concave-convex inlaying mode, and the inner plane of the middle die 3 is flush with and contacts the inner plane of the inner die 2.

[0032] As a preferred embodiment of the utility model, the outer die 4 is in a rectangular shape, the outer die 4 and the die frame 1 are combined in a concave-convex inlaying mode, the outer plane of the outer die 4 is flush with the outer plane of the die frame 1, and the inner plane of the outer die 4 is flush with the outer plane of the middle die 3.

[0033] As a preferred embodiment of the utility model, the inner contour surface of the middle die frame is treated by a special wear-resistant coating, which effectively reduces the frictional resistance of the tread and bead material in the extrusion process and improves the surface quality of the product.

[0034] As a preferred embodiment of the utility model, for the universality of different specifications of tires, the middle die frame of the utility model can easily replace and disassemble the middle die 3 of different sizes according to the width and thickness requirements of the tire, so as to adapt to the tread and bead extrusion operation of various specifications of tires.

[0035] As a preferred embodiment of the utility model, in order to facilitate maintenance, the internal structure of the middle mouth frame is relatively simple, and the key components are designed with standardization, which is easy to replace.

[0036] In the production workshop of a tire manufacturing enterprise, when the portable middle mouth frame of the present application is needed for tread and sidewall extrusion operation, first, according to the specifications of the tires to be produced, the corresponding inner mouth 2 is selected, the inner mouth 2 is inlaid into the corresponding groove inside the entry mouth frame 1, then the corresponding middle mouth 3 is selected, the middle mouth 3 is inlaid into the other side of the entry mouth frame 1, so that the middle mouth 3 corresponds to the window of the inner mouth 2, and finally the outer mouth 4 is inlaid into the entry mouth frame 1 to form a contour matching the size of the tire. Through the above connection of all sub-modules in sequence, the complete middle mouth frame structure is formed.

[0037] When installed on the extrusion equipment, the extrusion equipment firmly connects the complete rectangular middle mouth frame through the caliper baffle method. During production, if a certain component is found to be damaged, the damaged component can be quickly disassembled with tools and replaced with a new standardized component, and then the equipment is restarted for continuous production. When the production tire specifications need to be changed, only the above-mentioned installation steps of the middle mouth, outer mouth and middle mouth frame need to be repeated, the whole process is simple and fast to operate, and the production efficiency and quality stability of tire manufacturing are effectively improved.

[0038] Although the utility model has been described with reference to the explanatory embodiments of the utility model herein, the above-mentioned embodiments are only the preferred embodiments of the utility model, and the embodiments of the utility model are not limited by the above-mentioned embodiments, it should be understood that the skilled in the art can design many other modifications and embodiments, which will fall within the scope and spirit of the principles disclosed in the present application.

Claims

1. A portable interlocking frame for extruding tire tread and sidewall, characterized in that: The modular design consists of multiple detachable and connectable sub-modules, including a frame (1), an inner frame (2), a middle frame (3), and an outer frame (4). The inner frame (2) is inlaid into the inner side of the corresponding groove of the frame (1), and the middle frame (3) is inlaid into the other side of the frame (1) so that the middle frame (3) corresponds to the window of the inner frame (2). Finally, the outer frame (4) is inlaid into the frame (1) to form a complete middle frame.

2. A portable interlocking frame for extruding tire tread and sidewalls according to claim 1, characterized in that: Its main frame is made of high-strength aluminum alloy and manufactured through precision casting process, and the inner contour surface is coated with a wear-resistant coating.

3. A portable interlocking frame for extruding tire tread and sidewalls according to claim 2, characterized in that: The inner clasp (2) is a right-angled trapezoid. The inner clasp (2) and the clasp frame (1) are inlaid together. After the inlay is combined, the outer plane of the clasp frame (1) is flush with the outer plane of the inner clasp (2).

4. A portable interlocking frame for extruding tire tread and sidewalls according to claim 3, characterized in that: The center clasp (3) is rectangular in shape. The center clasp (3) and the clasp frame (1) are in a concave-convex inlay combination. The inner plane of the center clasp (3) is flush with and in contact with the inner plane of the inner clasp (2).

5. A portable interlocking frame for extruding tire tread and sidewalls according to claim 4, characterized in that: The outer clasp (4) is rectangular in shape. The outer clasp (4) and the clasp frame (1) are in a concave-convex inlay combination. The outer plane of the outer clasp (4) is flush with the outer plane of the clasp frame (1). The inner plane of the outer clasp (4) is flush with the outer plane of the middle clasp (3).

6. A portable center frame for extruding tire tread and sidewalls according to any one of claims 3-5, characterized in that: The central frame is rectangular in shape.