Tread extrusion die sample plate

Abstract

The utility model discloses a tread extrusion die sample plate, which relates to the technical field of tire manufacturing and comprises a first side edge positioning plate, a second side edge positioning plate, an upper fixing plate and a plurality of outlet pressing plates. A whole formed by the bottom surfaces of the outlet pressing plates and a plane corresponding to the bottom of the outlet pressing plates can jointly form a tread extrusion outlet; the upper fixing plate is located above the outlet pressing plates, and a plurality of first threaded holes are formed in the upper fixing plate. A second threaded hole is formed in the outlet pressing plate; the adjusting bolt is in threaded connection with the first threaded hole and the second threaded hole in sequence; the first side edge positioning plate and the second side edge positioning plate are located at the two ends of a whole formed by the upper fixing plate and the outlet pressing plates respectively. And the size of the tread extrusion die can be conveniently adjusted, so that the extrusion of treads with different sizes is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of tire manufacturing, in particular to a tread extrusion die plate. Background Art

[0002] In the process of tire manufacturing, the production of the extrusion die plate for the tread extrusion process is the core of this process. It determines the shape and weight of the extruded tread. Different specifications of tires require different treads, and each tread needs different shapes and sizes at different positions.

[0003] Currently, when extruding the tire tread, a single tread extrusion die plate can usually only extrude the tread of one specification of tire. The shape of the extruded tread is single, and the processed tread extrusion die plate usually needs to be continuously adjusted and polished to make the thickness of the extruded tread meet the requirements. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a tread extrusion die plate to solve the problems existing in the above-mentioned prior art, facilitate the adjustment of the size of the tread extrusion die, and realize the extrusion of treads of different sizes.

[0005] To achieve the above purpose, the utility model provides the following scheme:

[0006] The utility model provides a tread extrusion die plate, which includes a first side positioning plate, a second side positioning plate, an upper fixing plate and a plurality of outlet pressing plates; the outlet pressing plates are arranged in sequence along a first direction; the overall bottom surface formed by the bottom surfaces of the outlet pressing plates and the plane corresponding to the overall bottom can jointly form a tread extrusion outlet; the upper fixing plate is located above the outlet pressing plates, and first threaded holes are opened at positions corresponding to the outlet pressing plates on the upper fixing plate, and an adjusting bolt is threadedly connected in each of the first threaded holes; second threaded holes are opened at positions of the outlet pressing plates corresponding to the first threaded holes, and the threaded end of the adjusting bolt is threadedly connected to the first threaded hole and the second threaded hole in sequence; in the first direction, the first side positioning plate is located at one end of the overall formed by the upper fixing plate and the outlet pressing plates, and the second side positioning plate is located at the other end of the overall formed by the upper fixing plate and the outlet pressing plates; the upper planes of the first side positioning plate and the second side positioning plate are not lower than the upper plane of the upper fixing plate; the lower planes of the first side positioning plate and the second side positioning plate are in the same plane as the lower plane forming the tread extrusion outlet.

[0007] Preferably, the upper fixing plate includes a plurality of upper pressing plates; each of the upper pressing plates corresponds to one of the outlet pressing plates one by one; the first threaded holes are formed in the upper pressing plates; the upper pressing plates are arranged in sequence along the first direction, and a first convex block is provided on one side of the upper pressing plate for fitting with another upper pressing plate, and a first groove is provided on the other side of the upper pressing plate; a second groove is formed on one side of the first side positioning plate for fitting with the upper pressing plate; a second convex block is formed on one side of the second side positioning plate for fitting with the upper pressing plate; the first convex block corresponds to the first groove and the second groove in shape; the second convex block corresponds to the first groove and the second groove in shape.

[0008] Preferably, a receiving groove is provided at a position of the upper fixing plate corresponding to the first threaded hole; the receiving groove is located at an end of the first threaded hole away from the outlet pressing plate, and the receiving groove communicates with the first threaded hole; the receiving groove is used for receiving the bolt head of the adjusting bolt.

[0009] Preferably, the opening of the tread extrusion outlet near the feeding end is larger than the opening of the tread extrusion outlet near the discharging end.

[0010] The utility model has achieved the following technical effects compared with the prior art:

[0011] For the tread extrusion outlet die template provided by the utility model, the part forming the tread extrusion outlet is designed as a plurality of split outlet pressing plates, and each outlet pressing plate is connected to the upper fixing plate by an adjusting bolt; at this time, the gap size between the corresponding position and the lower plane can be adjusted by screwing the adjusting bolt to drive the corresponding outlet pressing plate, and the size can be adjusted without grinding, which is convenient for adjusting the size of the tread extrusion outlet die to realize the size adjustment of the tread thickness, so as to extrude treads with different thickness dimensions; and the first side positioning plate and the second side positioning plate are arranged at both ends, and when they are pressed by the upper pressing device, the position of the upper fixing plate and each outlet pressing plate in the plane can be fixed, ensuring a good tread extrusion effect.

[0012] Furthermore, the upper fixing plate adopts a plurality of split upper pressing plates, and each upper pressing plate corresponds to an outlet pressing plate. At this time, by increasing or decreasing the corresponding upper pressing plates and outlet pressing plates, the size adjustment in the tread width direction can be realized to meet the requirements of extruding treads with different sizes in the width direction; and the upper pressing plates adopt the matching mode of convex blocks and grooves, which can be made into unitized modules, reducing the manufacturing cost, and during use, only the convex blocks on the corresponding side need to be matched with the grooves on the corresponding side, and the installation is simple and convenient.

[0013] Furthermore, the provision of the receiving groove enables the bolt head of the adjusting bolt not to protrude from the upper plane, thereby ensuring that the upper pressing device above it can be stably and smoothly pressed on the whole above it, ensuring its stability.

[0014] Furthermore, the opening of the tread extrusion outlet near the feeding end is larger than the opening near the discharging end, that is, it is set in a flared shape at the end near the feeding, which can facilitate the material to enter the tread extrusion outlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is a schematic diagram of the overall structure of the tread extrusion die plate provided by the present invention.

[0017] In the figure:

[0018] 100 - tread extrusion die plate;

[0019] 10 - first side positioning plate; 11 - second groove;

[0020] 20 - upper pressing plate; 21 - first threaded hole; 22 - receiving groove; 23 - first convex block; 24 - first groove;

[0021] 30 - outlet pressing plate; 31 - second threaded hole;

[0022] 40 - adjusting bolt;

[0023] 50 - second side positioning plate; 51 - second convex block;

[0024] 60 - tread extrusion outlet. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0026] The purpose of the present invention is to provide a tread extrusion die plate to solve the problems existing in the prior art, facilitate the adjustment of the tread extrusion die size, and realize the tread extrusion of different sizes.

[0027] In order to make the above objects, features, and advantages of the present utility model more obvious and understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] Embodiment 1

[0029] This embodiment provides a tread extrusion die plate 100, as Figure 1 shown, including a first side positioning plate 10, a second side positioning plate 50, an upper fixing plate, and a plurality of outlet pressing plates 30; the outlet pressing plates 30 are arranged in sequence along a first direction; the overall bottom surface formed by the bottom surfaces of the outlet pressing plates 30 and the plane corresponding to the overall bottom thereof can jointly form a tread extrusion outlet 60; the upper fixing plate is located above the outlet pressing plates 30, and a first threaded hole 21 is provided at a position corresponding to each outlet pressing plate 30 on the upper fixing plate, and an adjusting bolt 40 is threadedly connected in each first threaded hole 21; a second threaded hole 31 is provided at a position of the outlet pressing plate 30 corresponding to the first threaded hole 21, and the threaded end of the adjusting bolt 40 is threadedly connected to the first threaded hole 21 and the second threaded hole 31 in sequence; in the first direction, the first side positioning plate 10 is located at one end of the overall formed by the upper fixing plate and the outlet pressing plates 30, and the second side positioning plate 50 is located at the other end of the overall formed by the upper fixing plate and the outlet pressing plates 30; the upper planes of the first side positioning plate 10 and the second side positioning plate 50 are not lower than the upper plane of the upper fixing plate; the lower planes of the first side positioning plate 10 and the second side positioning plate 50 are in the same plane as the lower plane forming the tread extrusion outlet 60.

[0030] By designing the part forming the tread extrusion outlet 60 as a plurality of separate outlet pressing plates 30, and each outlet pressing plate 30 is connected to the upper fixing plate by an adjusting bolt 40; at this time, the gap size between the corresponding outlet pressing plate 30 and the lower plane can be adjusted by screwing the adjusting bolt 40, and the size adjustment can be achieved without grinding, which is convenient for adjusting the size of the tread extrusion die to achieve the size adjustment of the tread thickness, so as to extrude treads with different thickness dimensions; and the first side positioning plate 10 and the second side positioning plate are arranged at both ends, when they are pressed by the upper pressing device, the position of the upper fixing plate and the outlet pressing plates 30 in the plane can be fixed, ensuring a good tread extrusion effect.

[0031] Specifically, for the tread extrusion die template 100 of this embodiment, by turning each adjusting bolt 40, the gap between the lower bottom surface of each outlet pressing plate 30 and the lower plane of the tread extrusion outlet 60 formed therewith can be adjusted, thereby adjusting the dimension in this direction; and by increasing or decreasing the corresponding upper pressing plate 20 and outlet pressing plate 30, the dimension adjustment in the width direction of the tread extrusion outlet 60 can be achieved; different combinations of the outlet pressing plates 30 can form different tread extrusion outlets 60 to realize the extrusion of treads of different sizes, so as to meet the use requirements of tread extrusion for multiple tire specifications.

[0032] Among them, regarding the structural setting of the upper fixing plate:

[0033] In an alternative solution of this embodiment, preferably, as Figure 1 shown, the upper fixing plate includes a plurality of upper pressing plates 20; each upper pressing plate 20 corresponds to an outlet pressing plate 30 one by one; a first threaded hole 21 is formed on the upper pressing plate 20; the upper pressing plates 20 are arranged in sequence along the first direction, and a first convex block 23 is provided on one side of the upper pressing plate 20 for fitting with another upper pressing plate 20, and a first groove 24 is provided on the other side of the upper pressing plate 20; a second groove 11 is formed on one side of the first side positioning plate 10 for fitting with the upper pressing plate 20; a second convex block 51 is formed on one side of the second side positioning plate 50 for fitting with the upper pressing plate 20; the first convex block 23 corresponds in shape to the first groove 24 and the second groove 11; the second convex block 51 corresponds in shape to the first groove 24 and the second groove 11. The upper fixing plate adopts a plurality of split upper pressing plates 20, and each upper pressing plate 20 corresponds to an outlet pressing plate 30. At this time, by increasing or decreasing the corresponding upper pressing plate 20 and outlet pressing plate 30, the adjustment of the tread width dimension can be achieved to adapt to the needs of tread extrusion of different sizes in the width direction; and each upper pressing plate 20 adopts a matching method of convex blocks and grooves, which can be made into unitized modules, reducing the manufacturing cost, and during use, only the convex blocks on the corresponding side need to be matched with the grooves on the corresponding side, and the installation is simple and convenient.

[0034] In an alternative solution of this embodiment, preferably, as Figure 1 shown, a receiving groove 22 is provided at the position of the upper fixing plate corresponding to the first threaded hole 21; the receiving groove 22 is located at one end of the first threaded hole 21 away from the outlet pressing plate 30, and the receiving groove 22 communicates with the first threaded hole 21; the receiving groove 22 is used to receive the bolt head of the adjusting bolt 40. The setting of the receiving groove 22 can prevent the bolt head of the adjusting bolt 40 from protruding above the upper plane, thereby ensuring that the upper pressing device above it can be stably pressed on its whole, ensuring its stability.

[0035] Among them, regarding the relevant settings of the tread extrusion outlet 60:

[0036] In an alternative embodiment of the present example, preferably, the opening of the tread extrusion outlet 60 near the feeding end is larger than the opening of the tread extrusion outlet 60 near the discharging end. The opening of the tread extrusion outlet 60 near the feeding end being larger than the opening near the discharging end means that it is set in a flared shape at the end near the feeding, which can facilitate the entry of materials into the tread extrusion outlet 60.

[0037] In the present utility model, specific examples are used to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model; at the same time, for those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation on the present utility model.

Claims

1. A tread extrusion die template, characterized in that: It includes a first side positioning plate, a second side positioning plate, an upper fixing plate and a plurality of outlet pressure plates; The outlet pressure plates are arranged in sequence along the first direction; the bottom surface of each outlet pressure plate forms an entirety and the plane corresponding to the bottom of the entirety can jointly form a tread pressing outlet; The upper fixing plate is located above each of the outlet pressure plates, and a first threaded hole is provided on the upper fixing plate at a position corresponding to each of the outlet pressure plates, and an adjusting bolt is threadedly connected in each of the first threaded holes; a second threaded hole is provided on the outlet pressure plate at a position corresponding to the first threaded hole, and the threaded end of the adjusting bolt is threadedly connected to the first threaded hole and the second threaded hole in sequence; In the first direction, the first side positioning plate is located at one end of the whole formed by the upper fixing plate and each of the outlet pressure plates, and the second side positioning plate is located at the other end of the whole formed by the upper fixing plate and each of the outlet pressure plates; The upper planes of the first side positioning plate and the second side positioning plate are not lower than the upper plane of the upper fixing plate; The lower planes of the first side positioning plate and the second side positioning plate are located in the same plane as the lower plane forming the tread extrusion outlet.

2. The tread extrusion die template according to claim 1, characterized in that: The upper fixing plate includes a plurality of upper pressing plates; Each of the upper pressing plates corresponds to one of the outlet pressing plates respectively; the upper pressing plates are provided with the first threaded holes; Each of the upper pressing plates is arranged in sequence along the first direction, and a first protrusion is provided on one side of the upper pressing plate for being fitted with another upper pressing plate, and a first groove is provided on the other side of the upper pressing plate; a second groove is provided on the side of the first side positioning plate for being fitted with the upper pressing plate; a second protrusion is provided on the side of the second side positioning plate for being fitted with the upper pressing plate; the first protrusion has corresponding shapes to the first groove and the second groove; the second protrusion has corresponding shapes to the first groove and the second groove.

3. The tread extrusion die template according to claim 1, characterized in that: The upper fixing plate is provided with a receiving groove at a position corresponding to the first threaded hole; The accommodating groove is located at an end of the first threaded hole away from the outlet pressure plate, and the accommodating groove is communicated with the first threaded hole; The accommodating groove is used to accommodate the bolt head of the adjusting bolt.

4. The tread extrusion die template according to claim 1, characterized in that: The opening of the tread extrusion outlet close to the feeding end is larger than the opening of the tread extrusion outlet close to the discharging end.

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