Segmented block guide interlocking device of tire mold

Abstract

The utility model discloses a movable block guide interlocking device of a tire mold, and relates to the technical field of tire molds. The adjustable block guide interlocking device of the tire mold comprises a plurality of pattern blocks, the pattern blocks are of arc-shaped structures, the pattern blocks are connected end to end to form a circular structure, limiting grooves are formed in the end faces of the spliced sides of every two adjacent pattern blocks, and the two limiting grooves are symmetrically formed; the shape of a shell of the limiting seat is matched with the shape of the limiting groove, and the limiting seat is arranged in the limiting groove in one end face of the pattern block; the guide block comprises a limiting block and a limiting convex block, the limiting convex block is fixedly connected to the limiting block, the shape of the limiting block is matched with the shape of the limiting groove, and the shape of the limiting convex block is matched with the shape of the inner groove of the limiting seat; every two adjacent pattern blocks are connected in a limiting mode through a limiting base and a guide block.

Description

Technical Field

[0001] The utility model relates to the technical field of tire molds, in particular to a guide interlocking device for an active block of a tire mold. Background Art

[0002] Active tire molds are generally composed of 8-9 active block molds of the tread. In terms of the classification of parting surfaces, they are divided into two categories: straight parting surfaces and curved parting surfaces. Curved parting surfaces are further divided into whole-piece curved parting surfaces and multi-piece curved parting surfaces. The whole-piece curved parting surface mold is a large block composed of several pattern pitches, and then a set of tread molds is composed of 8-9 large blocks. The multi-piece curved parting surface is a large block that is first fixed by a single pitch block, similar to a large block in the whole-piece curved parting surface mold. The same method is used to make 8-9 pieces to form a complete set of molds.

[0003] Most of the tire molds currently produced use straight parting surface active molds (such as Figure 1 As shown in the figure, when the prior art is used for production, the mold combination is not absolutely stable during tire production. Due to the limited production conditions and the wear of the outer mold sleeve, the active blocks of the tire mold will be misaligned up and down, front and back, resulting in an uneven tread of the tire, affecting the tire performance and appearance, and the mold is also prone to wear, which further causes tire leakage.

[0004] Some mold production uses molds with curved parting surfaces (such as Figure 2 As shown in the figure, the concave and convex position of the mold parting surface is used to limit the up and down misalignment of the active block. However, since the mold body is used for positioning, the wear of the mold on the concave and convex inclined surface is inevitable, and the wear speed is much faster than the wear on the straight surface. During tire production, it will soon cause the tire to leak glue on the inclined dividing surface. In addition, due to the irregular shape of the mold, the management cost and damage risk are greatly increased in terms of maintenance, storage, and assembly. Utility Model Content

[0005] To this end, an embodiment of the utility model provides a guide interlocking device for the active blocks of a tire mold to solve the problem in the prior art that when the straight parting surface active mold is used to produce tires, the mold is not absolutely stable when combined, and there will be up and down misalignment and front and back misalignment between the active blocks of the tire mold, which will cause the tread of the produced tire to be uneven, affecting the tire performance and appearance, and the mold is also prone to wear, which will further cause the tire to leak glue.

[0006] In order to achieve the above purpose, the embodiment of the utility model provides the following technical solutions:

[0007] A flexible block guide interlocking device for a tire mold, comprising:

[0008] A plurality of pattern blocks, wherein the pattern blocks are arc-shaped structures, and the plurality of pattern blocks are connected end to end to form a circular structure, and a limiting groove is provided on the end surface of one side where two adjacent pattern blocks are spliced, and the two limiting grooves are symmetrically arranged;

[0009] A limiting seat, the shape of the shell of the limiting seat is adapted to the shape of the limiting groove, and the limiting seat is arranged in the limiting groove of one end surface of the pattern block;

[0010] A guide block, wherein the guide block comprises a limit block and a limit protrusion, the limit protrusion is fixedly connected to the limit block, and the shape of the limit block is adapted to the shape of the limit groove, and the shape of the limit protrusion is adapted to the shape of the inner groove of the limit seat;

[0011] Two adjacent pattern blocks are connected in a limiting manner through a limiting seat and a guide block.

[0012] Optionally, at least one limiting groove is formed on each end surface of the pattern block.

[0013] Optionally, when one limiting groove is provided, the limiting groove is provided in the middle of the end surface of the pattern block.

[0014] Optionally, when two limiting grooves are provided, the two limiting grooves are symmetrically arranged on the end surface of the pattern block.

[0015] Optionally, the limiting block and the limiting protrusion are integrally arranged.

[0016] The utility model has at least the following beneficial effects:

[0017] The utility model provides limiting grooves on two adjacent tread blocks, wherein a limiting seat is provided in one of the limiting grooves, and a guide block is provided in the other limiting groove, and the limiting protrusion of the guide block is matched with the inner ring of the limiting seat. When two adjacent tread blocks are spliced, the limiting seat is connected by the guide block to limit the two tread blocks, so that they cannot be misaligned in the radial direction and axial direction of the annular mold, thereby ensuring the flatness of the produced tire. At the same time, the friction between the two adjacent tread blocks is borne by the guide block and the limiting seat, thereby reducing the wear of the mold body and increasing the service life of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly explain the prior art and the present invention, the following briefly introduces the drawings required for describing the prior art and the present invention. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other drawings can be derived from the provided drawings without creative work.

[0019] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which the present invention can be implemented. Any structural modification, change in proportion or adjustment of size should still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0020] Figure 1 It is a schematic diagram of the structure of an existing straight parting surface flexible mold;

[0021] Figure 2 It is a schematic diagram of the structure of an existing curved parting surface active mold;

[0022] Figure 3 This is a schematic structural diagram of an embodiment of the utility model from a first viewing angle (straight parting surface);

[0023] Figure 4 It is a schematic structural diagram of a second viewing angle (straight parting surface) of an embodiment of the utility model;

[0024] Figure 5 This is a schematic structural diagram of an embodiment of the utility model from a third viewing angle (pattern block splicing state);

[0025] Figure 6 This is a schematic structural diagram of an embodiment of the utility model from a fourth viewing angle (pattern block splicing state);

[0026] Figure 7 This is a schematic structural diagram of an embodiment of the utility model from a fifth viewing angle (pattern block splicing state);

[0027] Figure 8 for Figure 7 Schematic diagram of the cross-sectional structure of the AA part.

[0028] Fig. 9 It is a schematic structural diagram of a sixth viewing angle (curved dividing surface) of an embodiment of the utility model;

[0029] Fig.10 The figure is a schematic diagram of the limit seat and guide block structure of one embodiment of the utility model.

[0030] Description of reference numerals:

[0031] 1. Pattern block; 2. Limiting groove; 3. Limiting seat; 4. Guide block; 41. Limiting block; 42. Limiting protrusion. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0033] In the description of the present invention, unless otherwise specified, "plurality" means two or more. The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the present invention and the above-mentioned drawings are intended to distinguish the objects referred to. For schemes with a sequential flow, this terminology does not have to be understood as describing a specific order or sequence. For schemes with device structures, this terminology does not distinguish between importance, positional relationships, etc.

[0034] In addition, the terms "comprises", "has" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus that includes a series of steps or units is not necessarily limited to those steps or units that have been explicitly listed, but may also include other steps or units that are not explicitly listed but are inherent to these processes, methods, products or apparatuses, or steps or units that are added based on further optimization schemes conceived by the present invention.

[0035] like Figure 3-Figure 10 As shown, a tire mold active block guide interlocking device disclosed in the utility model includes:

[0036] A plurality of pattern blocks 1, wherein the pattern blocks 1 are arc-shaped structures, and the plurality of pattern blocks 1 are connected end to end to form a circular structure, and a limiting groove 2 is provided on the end surface of the joint side of two adjacent pattern blocks 1, and the two limiting grooves 2 are symmetrically arranged;

[0037] A limiting seat 3, the outer shell shape of the limiting seat 3 is adapted to the shape of the limiting groove 2, and the limiting seat 3 is arranged in the limiting groove 2 on one end surface of the pattern block 1;

[0038] The guide block 4 includes a limit block 41 and a limit protrusion 42, the limit protrusion 42 is fixedly connected to the limit block 41, and the shape of the limit block 41 is adapted to the shape of the limit groove 2, and the shape of the limit protrusion 42 is adapted to the shape of the inner groove of the limit seat 3;

[0039] Two adjacent pattern blocks 1 are connected in a limiting manner through a limiting seat 3 and a guide block 4 .

[0040] The above-mentioned pattern block 1 can adopt an active mold with a straight parting surface or a curved parting surface, and a limiting groove 2 is provided on the spliced ​​end surface thereof. The specific shape of the limiting groove 2 is set according to actual needs, and is generally set to a regular shape. In this embodiment, it is a rectangular groove; the outer ring size and shape of the limiting seat 3 are adapted to the limiting groove 2, so that the limiting seat 3 can transitionally match with the limiting groove 2; the guide block 4 is composed of a limiting block 41 and a limiting protrusion 42, which are fixed together, the shape and size of the limiting block 41 are adapted to the limiting groove 2, the limiting block 41 can transitionally match with the limiting groove 2, the shape and size of the limiting protrusion 42 are adapted to the inner ring of the limiting seat 3, and the limiting protrusion 42 can transitionally match with the limiting seat 3;

[0041] The arrangement of the limiting seat 3, the limiting protrusion 42 and the limiting block 41 is such that when two adjacent pattern blocks 1 are spliced, the limiting seat 3 and the limiting block 41 are placed in the limiting groove 2, and the limiting protrusion 42 is inserted into the limiting seat 3, and the connection between the limiting seat 3 and the limiting groove 2, between the limiting protrusion 42 and the limiting groove 2, and between the limiting protrusion 42 and the limiting seat 3 are all tightly fitted, so that after a number of pattern blocks 1 are spliced ​​into a circle, the pattern block 1 is limited by the limiting block 41 and the limiting seat 3 to prevent it from being misaligned in the axial and radial directions of the annular active mold;

[0042] by Figure 3 For example: radial misalignment refers to up-and-down misalignment, and axial misalignment refers to front-and-back misalignment.

[0043] like Fig.10 The figure shows the shapes of the limiting seat 3 and the guide block 4 in other embodiments.

[0044] Furthermore, at least one limiting groove 2 is formed on each end surface of the pattern block 1 .

[0045] The above-mentioned limiting groove 2 on the pattern block 1 is provided with one or two. When one limiting groove 2 is provided, the limiting groove 2 is provided in the middle of the end face of the pattern block 1. When two limiting grooves 2 are provided, the two limiting grooves 2 are symmetrically arranged on the end face of the pattern block 1.

[0046] It should be noted that the number of the limiting grooves 2 may be more than two and is set according to the specific tire size.

[0047] The limiting block 41 and the limiting protrusion 42 are integrally arranged.

[0048] The integral arrangement of the limiting block 41 and the limiting protrusion 42 can further improve the stability of the guide block 4 and prevent the limiting protrusion 42 from being broken due to excessive force during the production process.

[0049] The limiting seat 3 and the limiting protrusion 42 provided in the utility model can solve the problem of mold misalignment during tire production, avoid tire pattern misalignment and rubber leakage; reduce storage and maintenance costs, reduce repair costs; reduce mold wear, protect the mold and increase the service life of the mold; it is an economical method for improving tire mold misalignment; and can produce high-quality tires even when production conditions are insufficient or the outer mold sleeve is severely worn.

[0050] The above specific embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.

[0051] The technical features of the above embodiments may be arbitrarily combined (as long as there is no contradiction in the combination of these technical features). To make the description concise, not all possible combinations of the technical features in the above embodiments are described; these embodiments that are not explicitly written should also be considered to be within the scope of this specification.

[0052] The above is a relatively specific and detailed description of the utility model through general description and specific embodiments. It should be pointed out that, without departing from the concept of the utility model, it is obvious that several variations and improvements can be made to these specific embodiments, which all belong to the protection scope of this application. Therefore, the protection scope of the patent of this application shall be based on the attached claims.

Claims

1. A tire mold movable block guide interlocking device, characterized in that: include: A plurality of pattern blocks, wherein the pattern blocks are arc-shaped structures, and the plurality of pattern blocks are connected end to end to form a circular structure, and a limiting groove is provided on the end surface of one side where two adjacent pattern blocks are spliced, and the two limiting grooves are symmetrically arranged; A limiting seat, the shape of the shell of the limiting seat is adapted to the shape of the limiting groove, and the limiting seat is arranged in the limiting groove of one end surface of the pattern block; A guide block, wherein the guide block comprises a limit block and a limit protrusion, the limit protrusion is fixedly connected to the limit block, and the shape of the limit block is adapted to the shape of the limit groove, and the shape of the limit protrusion is adapted to the shape of the inner groove of the limit seat; Two adjacent pattern blocks are connected in a limiting manner through a limiting seat and a guide block.

2. The guide interlocking device for the active block of a tire mold according to claim 1, characterized in that: At least one limiting groove is formed on each end surface of the pattern block.

3. The guide interlocking device of the active block of a tire mold according to claim 2, characterized in that: When one limiting groove is provided, the limiting groove is provided in the middle of the end surface of the pattern block.

4. The guide interlocking device for the active block of a tire mold according to claim 2, characterized in that: When two limiting grooves are provided, the two limiting grooves are symmetrically arranged on the end surface of the pattern block.

5. The guide interlocking device for the active block of a tire mold according to claim 1, characterized in that: The limiting block and the limiting protrusion are integrally arranged.

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