KR20240027991A - Tire curing mold set, tire curing apparatus and method for manufacturing tire - Google Patents

Abstract

One embodiment of the present invention relates to a tire curing mold set configured to be used in a curing process for a green tire, the tread mold base having at least first and second tread mold base segments arranged adjacent to each other. a cuff control unit coupled to a region of the first tread mold base segment to control cuff formation on the green tire, and a cuff control unit disposed between the cuff control unit and the first tread mold base segment to control the cuff formation of the green tire. Disclosed is a tire curing mold set including a coupling control unit configured to be coupled to a tread mold base segment.

Description

Tire curing mold set, tire curing apparatus and method for manufacturing tires {Tire curing mold set, tire curing apparatus and method for manufacturing tire}

Embodiments of the present invention relate to a tire curing mold set, a tire curing device, and a tire manufacturing method.

The vehicles that users drive are made up of many parts, and among them, tires have a significant impact on the driving of the vehicle and can be said to be one of the key parts for ensuring user safety.

In particular, due to the development of industry, the amount of car driving is increasing due to increased movement of logistics, increased travel due to an increase in personal workload, and increased family life.

Meanwhile, looking at the tire manufacturing process, semi-finished products can be made by mixing elastic and flexible materials or other materials, and these semi-finished products can be molded to manufacture green tires.

These green tires can then be vulcanized to manufacture tires.

The vulcanization process includes the process of pressurizing the green tire to a predetermined temperature for a certain period of time. For example, a green tire is placed between a mold and pressurized from the inside of the green tire in the direction of the mold to change the shape of the mold or the surface of the mold. Corresponding tires can be manufactured.

Through this process, a desired pattern can be formed on the surface of the tire, for example, the tread.

However, the process of curing such tires is a precise process, and it is not easy to form a precise tire tread through control. In particular, there are limitations in that it is not easy to control the curing device and curing method to form different patterns of treads for various tires. .

Embodiments of the present invention provide a tire curing mold set, a tire curing device, and a tire manufacturing method that can improve the convenience, efficiency, and precise control characteristics of the tire curing process.

One embodiment of the present invention relates to a tire curing mold set configured to be used in a curing process for a green tire, the tread mold base having at least first and second tread mold base segments arranged adjacent to each other. a cuff control unit coupled to a region of the first tread mold base segment to control cuff formation on the green tire, and a cuff control unit disposed between the cuff control unit and the first tread mold base segment to control the cuff formation of the green tire. Disclosed is a tire curing mold set including a coupling control unit configured to be coupled to a tread mold base segment.

In this embodiment, the coupling control unit may include a separate formed part to be distinguished from the first tread mold base segment.

In this embodiment, the first tread mold base segment includes a concave portion facing the green tire during the curing process, an accommodating portion is formed on one surface of the concave portion, and the engagement control portion may be disposed in the accommodating portion. .

In this embodiment, the cuff control unit may include a plurality of units arranged on the first tread mold base segment to be spaced apart from each other.

In this embodiment, the cuff control unit may be provided in plural pieces and may include one disposed on the second tread mold base segment to be distinguished from that disposed on the first tread mold base segment.

In this embodiment, the coupling control unit may be formed to be separated in a direction away from the first tread mold base segment.

Another embodiment of the present invention relates to a tire curing device configured to perform a curing process for a green tire, comprising: a tire curing mold set arranged to face one side of the green tire during the curing process; one side of the tire curing mold set; and a first side mold disposed on the other side of the tire curing mold set, and a second side mold disposed on the other side of the tire curing mold set to face the first side mold, wherein the tire curing mold set includes first treads disposed to be at least adjacent to each other. A tread mold base unit having a mold base segment and a second tread mold base segment, a cuff control unit coupled to a region of the first tread mold base segment and controlling the formation of a cuff on the green tire, the cuff control unit, and the first tread mold base segment. Disclosed is a tire curing device comprising a coupling control unit disposed between tread mold base segments and configured to couple the cuff control unit to the first tread mold base segment.

In this embodiment, when the green tire is disposed, the cuff control unit may be disposed to face the green tire.

Another embodiment of the present invention relates to a tire manufacturing method for manufacturing a tire using a green tire, comprising placing the green tire in a tire curing device, wherein the tire curing device includes a plurality of tread mold base segments. At least one cuff control unit disposed on a tread mold base portion and a coupling control unit disposed on the first tread mold base segment and configured to couple the cuff control unit to the first tread mold base segment, wherein the cuff control unit Disclosed is a tire manufacturing method including forming one or more cuff portions on the green tire using .

In this embodiment, the coupling control unit may include controlling a process of selectively separating from the first tread mold base segment before or after a curing process using the tire curing device.

Other aspects, features and advantages in addition to those described above will become apparent from the following drawings, claims and detailed description of the invention.

The tire curing mold set, tire curing device, and tire manufacturing method according to this embodiment can improve the convenience, efficiency, and precise control characteristics of the tire curing process.

Figure 1 is a front view showing a tire curing mold set according to an embodiment of the present invention.
Figure 2 is a cross-sectional view taken along line II-II of Figure 1.
Figure 3 is an enlarged view of K in Figure 2.
FIG. 4 is a diagram showing a modified example of FIG. 3.
FIG. 5 is a diagram illustrating another modification of FIG. 3.
Figure 6 is a schematic cross-sectional view showing a portion of a tire curing mold set according to another embodiment of the present invention.
Figure 7 is an enlarged view of K in Figure 6.
Figure 8 is a schematic cross-sectional view showing a portion of a tire curing mold set according to another embodiment of the present invention.
Figure 9 is a front view showing a tire curing mold set according to another embodiment of the present invention.
FIG. 10 is a cross-sectional view taken along line X-X of FIG. 9.
Figure 11 is an enlarged view of K in Figure 10.
FIGS. 12 and 13 are exemplary views for explaining separating the cuff control unit and the engagement control unit of the tire curing mold set of FIG. 9 from the tread mold base unit.
14 to 16 are diagrams illustrating another example of separating the cuff control unit and the engagement control unit of the tire vulcanization mold set from the tread mold base unit.
Figure 17 is a front view showing a tire curing mold set according to another embodiment of the present invention.
FIG. 18 is a schematic diagram viewed from the T direction of FIG. 17.
FIG. 19 is a diagram illustrating an alternative embodiment of FIG. 18.
Figure 20 is a diagram schematically showing a tire curing device according to an embodiment of the present invention.
Figure 21 is a schematic enlarged view of K in Figure 20.
Figure 22 is a front view schematically showing a tire formed through a curing process using the tire curing device of Figure 20.
FIG. 23 is a schematic plan view seen from the P direction of FIG. 22.

Since the present invention can be modified in various ways and can have various embodiments, specific embodiments will be illustrated in the drawings and described in detail in the detailed description. The effects and features of the present invention and methods for achieving them will become clear by referring to the embodiments described in detail below along with the drawings. However, the present invention is not limited to the embodiments disclosed below and may be implemented in various forms.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. When describing with reference to the drawings, identical or corresponding components will be assigned the same reference numerals and redundant description thereof will be omitted. .

In the following embodiments, terms such as first and second are used not in a limiting sense but for the purpose of distinguishing one component from another component.

In the following examples, singular terms include plural terms unless the context clearly dictates otherwise.

In the following embodiments, terms such as include or have mean that the features or components described in the specification exist, and do not exclude in advance the possibility of adding one or more other features or components.

In the drawings, the sizes of components may be exaggerated or reduced for convenience of explanation. For example, the size and thickness of each component shown in the drawings are shown arbitrarily for convenience of explanation, so the present invention is not necessarily limited to what is shown.

In the following embodiments, the x-axis, y-axis, and z-axis are not limited to the three axes in the Cartesian coordinate system, but can be interpreted in a broad sense including these. For example, the x-axis, y-axis, and z-axis may be orthogonal to each other, but may also refer to different directions that are not orthogonal to each other.

In cases where an embodiment can be implemented differently, a specific process sequence may be performed differently from the described sequence. For example, two processes described in succession may be performed substantially at the same time, or may be performed in an order opposite to that in which they are described.

Figure 1 is a front view showing a tire curing mold set according to an embodiment of the present invention, Figure 2 is a cross-sectional view taken along line II-II in Figure 1, and Figure 3 is an enlarged view of K in Figure 2. .

Referring to FIGS. 1 to 3 , the tire curing mold set 100 of this embodiment may include a tread mold base unit 110, a cuff control unit 130, and a coupling control unit 120.

The tire curing mold set 100 can be used in a curing process using a green tire. For example, it can be formed to correspond to a green tire to form a tire tread portion after the curing process.

The tread mold base portion 110 may include at least a first tread mold base segment 111 and a second tread mold base segment 112 arranged to be adjacent to each other. That is, the tread mold base portion 110 may include at least two tread mold base segments arranged adjacent to each other.

The first tread mold base segment 111 and the second tread mold base segment 112 are separated from each other and may be arranged to be close to or in close contact with each other by applying pressure during the vulcanization process.

In an optional embodiment, the tread mold base portion 110 may include three or more tread mold base segments. For example, as shown in FIG. 1, it may include eight tread mold base segments, specifically a first tread mold base segment 111, a second tread mold base segment 112, and a third tread mold base segment. (113), fourth tread mold base segment 114, fifth tread mold base segment 115, sixth tread mold base segment 116, seventh tread mold base segment 117 and eighth tread mold base segment. It may include (118).

As an optional embodiment, the tread mold base portion 110 may be provided with a plurality of tread mold base segments and may have an overall shape similar to a circle, for example, having a radius (r) based on the center point and a circumferential direction (RT). It can have the edge of an extended circle.

Referring to FIG. 2, the first tread mold base segment 111 of the tread mold base portion 110 may include a concave portion 111T on the inner surface, and this concave portion 111T is formed in the tire curing mold set 100. ) may be opposed to the green tire when the curing process for the green tire is performed, and may be formed to correspond to the tread portion of the tire after the curing process. For example, the concave portion 111T may include a curved surface.

The concave portion 111T may have a width WT. The width WT of the concave portion 111T may be smaller than the width of the first tread mold base segment 111.

The cuff control unit 130 is coupled to one area of the first tread mold base segment 111 and can control the formation of a cuff on the green tire. For example, the cuff control unit 130 may be formed to form a small groove in a green tire. Additionally, when manufacturing a tire using a green tire, the cuff control unit 130 may divide the blocks into a plurality of areas in the tread portion of the tire. The cuff formed through the cuff control unit 130 can precisely control braking performance, drivability, ride comfort, etc. by controlling the rigidity of the block when the tire is mounted on a vehicle, for example, a vehicle.

The cuff control unit 130 may have a length, for example, may be formed to have a length that intersects the width direction of the green tire. As a specific example, the cuff control unit 130 may have a thin and long linear blade shape.

The coupling control unit 120 may be disposed between the cuff control unit 130 and the first tread mold base segment 111 so that the cuff control unit 130 is coupled to the first tread mold base segment 111.

The coupling control unit 120 may be provided separately from the first tread mold base segment 111 to be distinguished from the first tread mold base segment 111. For example, the engagement control unit 120 may be disposed in the receiving portion 111a formed to have a depth on one surface of the concave portion 111T of the first tread mold base segment 111.

The cuff control unit 130 may be connected to the coupling control unit 120, for example, may be coupled. The cuff control unit 130 may be coupled to the coupling control unit 120 in various ways. For example, the cuff control unit 130 may be coupled to the coupling control unit 120 in a fitting manner. Additionally, as another example, the cuff control unit 130 may be coupled to the coupling control unit 120 using a welding method. In addition, various methods for strong bonding can be used.

The engagement control unit 120 may be disposed on the first tread mold base segment 111, and when necessary, the engagement control unit 120 may be separated from the first tread mold base segment 111.

As an optional embodiment, the coupling control unit 120 may be coupled to the first tread mold base segment 111, and may be coupled in various ways to maintain a stable state without shaking or changing position during the vulcanization process. For example, the coupling control unit 120 can be coupled to the first tread mold base segment 111 in a fitting form, and as another example, it can be coupled by fastening using a fastening means, such as a pin or screw. can be maintained and separated.

As an optional embodiment, a plurality of cuff control units 130 and corresponding coupling control units 120 may be disposed on the first tread mold base segment 111. For example, the width direction of the first tread mold base segment 111 (e.g., Y-axis direction in FIG. 2), the direction intersecting this (e.g., Z-axis in FIG. 1), or the circumferential (RT in FIG. 1) direction. Multiple units may be placed along the .

Additionally, as an optional embodiment, one or more cuff control units 130 and a corresponding engagement control unit 120 may be disposed on each of the plurality of tread mold base segments of the tread mold base unit 110. For example, one or more cuff control units 130 and a corresponding coupling control unit 120 may be disposed on each of the entire tread mold base segments 111 to 118 included in the tread mold base unit 110.

FIG. 4 is a diagram showing a modified example of FIG. 3.

The cuff control unit 130' may be coupled to one area of the first tread mold base segment 111' to control the formation of a cuff on the green tire.

The coupling control unit 120' is disposed between the cuff control unit 130' and the first tread mold base segment 111' so that the cuff control unit 130' is coupled to the first tread mold base segment 111'. It can be.

The coupling control unit 120' may be provided separately from the first tread mold base segment 111' so as to be distinguished from the first tread mold base segment 111'. For example, the engagement control unit 120' may be disposed in the receiving portion 111a' formed to have a depth on one surface of the concave portion 111T' of the first tread mold base segment 111'.

The combination control unit 120' may include a main body area 121' and a combination area 122'. The coupling area 122' may be connected to the body area 121' or may be an area extending from the body area 121' toward the cuff control unit 130'. The main body region 121' may be formed to be longer than the coupling region 122' (in the Z-axis direction in the drawing), through which the coupling control unit 120' can be stably attached to the first tread mold base segment 111'. It can be combined.

The coupling area 122' may be formed to be wider in one direction (eg, Y-axis direction) than the main body area 121'. Through this, it can be stably coupled to the long cuff control unit 130'.

Additionally, the coupling area 122' is formed to be wider than the main body area 121', so that the coupling control unit 120' may have a stepped structure. Through this stepped shape, the coupling control unit 120' can be easily coupled to the first tread mold base segment 111', and the cuff control unit is arranged to correspond to a precise position and coupled to the coupling control unit 120' ( 130'), for example, by precisely controlling the gap with the green tire, the precision of forming the kerf on the tire can be improved.

Additionally, the receiving portion 111a' may be formed to correspond to the body region 121' and the coupling region 122' of the coupling control unit 120'. For example, it includes a main body receiving area 111a1' and a combination receiving area 111a2', the width of the combining receiving area 111a2' is larger than the main body receiving area 111a1', and the main body receiving area 111a1' is larger than the main body receiving area 111a1'. The binding receiving area 111a2' may be formed to be longer.

The width of the coupling receiving area 111a2' is formed to be larger than that of the main body receiving area 111a1', so that the inner surface of the receiving part 111a' may have a stepped structure, and through this stepped form, the coupling control unit ( When 120') is placed in the receiving portion 111a', it can be placed while maintaining its position stably and precisely.

The cuff control unit 130' and the coupling control unit 120' may be connected or coupled through the connection part 130a'. For example, the connection portion 130a' is an area including the end of the cuff control unit 130' and may include a portion inserted into the coupling area 122' of the coupling control unit 120'. Additionally, as another example, the connection part 130a' may include a welding area formed through a welding process at the end of the cuff control part 130'.

The length of the cuff control unit 130' in one direction (for example, the length in the Y-axis direction in the drawing) may be smaller than the width of the coupling area 122' of the coupling control unit 120'. Through this, when the cuff control unit 130' is removed or separated due to deformation or damage, etc., damage to the surface of the concave portion of the first tread mold base segment 111' adjacent thereto can be reduced or prevented.

FIG. 5 is a diagram illustrating another modification of FIG. 3.

The cuff control unit 130" may be coupled to one area of the first tread mold base segment 111" to control the formation of a cuff on the green tire.

The coupling control unit 120" is disposed between the cuff control unit 130" and the first tread mold base segment 111" so that the cuff control unit 130" is coupled to the first tread mold base segment 111". It can be.

The coupling control unit 120" may be provided separately from the first tread mold base segment 111" so as to be distinguished from the first tread mold base segment 111". For example, the first tread mold base segment 111" The engagement control unit 120" may be disposed in the receiving portion 111a" formed to have a depth on one side of the concave portion 111T".

The coupling control unit 120" may include a main body area 121" and a coupling area 122".

For convenience of explanation, the explanation will focus on the differences compared to FIG. 4.

The cuff control unit 130" may be coupled to one area of the first tread mold base segment 111" to control the formation of a cuff on the green tire.

The cuff control unit 130" and the coupling control unit 120" may be connected or coupled through the connection part 130a".

The cuff control unit 130" may include a first area 131" and a second area 132". The first area 131" is an area connected to the connection part 130a" and the second area 132 ") may include an area extending from the first area 131". The second area 132" may be an area that begins to contact the green tire during curing. The first area 131" and the second area 132" may have different widths and, for example, may have a stepped shape. Through this, when forming a cuff on a green tire, the shape and depth of each region can be precisely controlled. For example, the depth of each region of the cuff can be controlled to be different. Additionally, as an optional embodiment, the second region 132" may include a curved surface. Through this, effective pressure can be applied to the green tire during the vulcanization process and the kerf pattern can be precisely controlled.

In the tire curing mold set of this embodiment, the cuff control unit and the engagement control unit may be disposed on at least one tread mold base segment of the tread mold base portion.

The cuff control is connected to the engagement control, and the engagement control can be disposed on the tread mold base segment. For example, it may be placed in a receiving portion of a tread mold base segment. As a specific example, the engagement control unit may be inserted into a groove-shaped receiving portion, and through this, it is possible to easily place or separate the engagement control unit from the tread mold base segment. Accordingly, the cuff control unit coupled to the coupling control unit can be easily separated from the tread mold base segment. Even in the case of damage or breakage of the cuff control unit formed with a relatively thin thickness, the cuff control unit can be replaced or repaired after separation of the coupling control unit, thereby improving management convenience. In addition, the durability, usage cycle, and ease of use of the tire curing mold set including the tread mold base segment can be improved by reducing the need for damage, breakage, or replacement of the tread mold base segment. Additionally, the efficiency and precision of tire manufacturing can be improved by using a tire curing mold set to improve the precision and efficiency of the curing process.

Figure 6 is a schematic cross-sectional view showing a part of a tire curing mold set according to another embodiment of the present invention, and Figure 7 is an enlarged view of K in Figure 6.

Referring to FIGS. 6 and 7 , the tire curing mold set 200 of this embodiment may include a tread mold base unit 210, a cuff control unit 230, and a coupling control unit 220.

The tread mold base portion 210 may include at least a first tread mold base segment 211 and a second tread mold base segment (not shown) arranged to be adjacent to each other. That is, the tread mold base portion 210 may include at least two tread mold base segments arranged adjacent to each other.

For convenience of explanation, the description will focus on differences from the above-described embodiments and modified examples.

The first tread mold base segment 211 of the tread mold base portion 210 may include a concave portion 211T on its inner surface.

The concave portion 211T may have a width WT. The width WT of the concave portion 211T may be smaller than the width of the first tread mold base segment 211.

One or more groove-corresponding protrusion patterns 211g may be formed in the concave portion 211T. A plurality of groove-corresponding protrusion patterns 211g may be formed. During the curing process for a green tire, one or more grooves can be formed in the tread portion through the groove-corresponding protrusion pattern 211g to form a desired pattern in the tread portion.

The cuff control unit 230 may be coupled to one area of the first tread mold base segment 211 to control the formation of a cuff on the green tire. For example, the cuff control unit 230 may be formed to form a small groove in a green tire.

As an optional embodiment, the cuff control unit 230 may be disposed adjacent to the groove-corresponding protrusion pattern 211g. Through this, when forming a groove on a green tire through the vulcanization process, a cuff adjacent to the groove can be easily formed.

As an optional embodiment, the length of the cuff control unit 230 may be controlled to be longer so that a cuff is formed between two adjacent groove-corresponding protruding patterns 211g to connect them.

Although not shown, as an optional embodiment, a plurality of patterns may be arranged, and for example, they may be formed to correspond to a plurality of groove-corresponding protrusion patterns 211g or to each of the groove-corresponding protrusion patterns 211g.

The combination control unit 220 may include a main body area 221 and a combination area 222. Since the combination control unit 220 can selectively apply the structures of FIGS. 3 to 5 (for example, the structure of FIG. 5) as the above-described embodiment or modified examples, a more detailed description will be omitted.

Since the cuff control unit 230 can selectively apply the structures of FIGS. 3 to 5 (for example, the structure of FIG. 5) as the above-described embodiment or modified examples, a more detailed description will be omitted.

In the tire curing mold set of this embodiment, the cuff control unit and the engagement control unit may be disposed on at least one tread mold base segment of the tread mold base portion.

The cuff control is connected to the engagement control, and the engagement control can be disposed on the tread mold base segment. Meanwhile, the cuff control unit may be arranged adjacent to the groove-corresponding protrusion pattern. Through this, when forming the groove, a cuff portion adjacent to the groove can be easily formed.

In addition, the engagement control unit can be easily placed or separated from the tread mold base segment, and accordingly, the cuff control unit coupled to the engagement control unit can be easily separated from the tread mold base segment. Even in the case of damage or breakage of the cuff control unit formed with a relatively thin thickness, the cuff control unit can be replaced or repaired after separation of the coupling control unit, thereby improving management convenience. In addition, the durability, usage cycle, and ease of use of the tire curing mold set including the tread mold base segment can be improved by reducing the need for damage, breakage, or replacement of the tread mold base segment. Additionally, the efficiency and precision of tire manufacturing can be improved by using a tire curing mold set to improve the precision and efficiency of the curing process.

Figure 8 is a schematic cross-sectional view showing a part of a tire curing mold set according to another embodiment of the present invention.

The tire curing mold set 300 of this embodiment may include a tread mold base unit 310, a cuff control unit 330, and a coupling control unit 320.

The tread mold base portion 310 may include at least a first tread mold base segment 311 and a second tread mold base segment (not shown) arranged to be adjacent to each other. That is, the tread mold base portion 310 may include at least two tread mold base segments arranged adjacent to each other.

For convenience of explanation, the description will focus on differences from the above-described embodiments and modified examples.

The first tread mold base segment 311 of the tread mold base portion 310 may include a concave portion 311T on its inner surface.

The concave portion 311T may have a width WT. The width WT of the concave portion 311T may be smaller than the width of the first tread mold base segment 311.

A plurality of groove-corresponding protruding patterns 311g (for example, four in FIG. 8) may be formed in the concave portion 311T.

The cuff control unit 330 may be arranged in plural pieces adjacent to at least a plurality of the plurality of groove-corresponding protrusion patterns 311g. Through this, when forming a groove on a green tire through the vulcanization process, a cuff adjacent to the groove can be easily formed.

As an optional embodiment, the length of the cuff control unit 330 may be controlled to be longer so that a cuff is formed between two adjacent groove-corresponding protruding patterns 311g to connect them.

Additionally, a plurality of coupling control units 320 may be arranged to correspond to each cuff control unit 330.

Figure 9 is a front view showing a tire curing mold set according to another embodiment of the present invention.

FIG. 10 is a cross-sectional view taken along line X-X of FIG. 9.

Figure 11 is an enlarged view of K in Figure 10.

The tire curing mold set 400 of this embodiment may include a tread mold base portion 410, a cuff control portion 430, a coupling control portion 420, and a control penetration portion 411H.

For convenience of explanation, the description will focus on differences from the above-described embodiments.

The tread mold base portion 410 may include at least a first tread mold base segment 411 and a second tread mold base segment 412 arranged to be adjacent to each other. That is, the tread mold base portion 410 may include at least two tread mold base segments arranged adjacent to each other.

In an alternative embodiment, the tread mold base portion 410 may include three or more tread mold base segments, for example, eight tread mold base segments 411-418.

As an optional embodiment, the tread mold base portion 410 may be provided with a plurality of tread mold base segments and may have an overall shape similar to a circle, for example, having a radius (r) based on the center point and a circumferential direction (RT). It can have the edge of an extended circle.

Referring to FIG. 10, the first tread mold base segment 411 of the tread mold base portion 410 may include a concave portion 411T on the inner surface, and this concave portion 411T is formed in the tire curing mold set 400. ) may be opposed to the green tire when the curing process for the green tire is performed, and may be formed to correspond to the tread portion of the tire after the curing process. For example, the concave portion 411T may include a curved surface.

The concave portion 411T may have a width WT. The width WT of the concave portion 411T may be smaller than the width of the first tread mold base segment 411.

As an optional embodiment, one or more groove-corresponding protrusion patterns 411g may be formed in the concave portion 411T. A plurality of groove-corresponding protrusion patterns 411g may be formed. During the curing process for a green tire, one or more grooves can be formed in the tread portion through the groove-corresponding protrusion pattern 411g to form a desired pattern in the tread portion.

In addition, although not shown, all eight tread mold base segments 411 to 418 may include a concave portion 411T and a groove-corresponding protrusion pattern 411g.

The cuff control unit 430 may be coupled to one area of the first tread mold base segment 411 to control the formation of a cuff on the green tire. For example, the cuff control unit 430 may be formed to form a small groove in a green tire.

Additionally, when manufacturing a tire using a green tire, the cuff control unit 430 may divide the blocks into a plurality of areas in the tread portion of the tire. The cuff formed through the cuff control unit 430 can precisely control braking performance, drivability, ride comfort, etc. by controlling the rigidity of the block when the tire is mounted on a vehicle, for example, a vehicle.

The cuff control unit 430 may have a length, for example, may be formed to have a length that intersects the width direction of the green tire. As a specific example, the cuff control unit 430 may have a thin and long linear blade shape.

As an optional embodiment, the cuff control unit 430 may be disposed adjacent to the groove-corresponding protrusion pattern 411g. Through this, when forming a groove on a green tire through the vulcanization process, a cuff adjacent to the groove can be easily formed.

As an optional embodiment, the length of the cuff control unit 430 may be controlled to be longer so that a cuff is formed between two adjacent groove-corresponding protruding patterns 411g to connect them.

Although not shown, as an optional embodiment, a plurality of patterns may be arranged, and for example, they may be formed to correspond to a plurality of groove-corresponding protrusion patterns 411g or to each of the groove-corresponding protrusion patterns 411g.

The coupling control unit 420 may be disposed between the cuff control unit 430 and the first tread mold base segment 411 so that the cuff control unit 430 is coupled to the first tread mold base segment 411.

The coupling control unit 420 may be provided separately from the first tread mold base segment 411 to be distinguished from the first tread mold base segment 411. For example, the engagement control unit 420 may be disposed in the receiving portion 411a formed to have depth on one surface of the concave portion 411T of the first tread mold base segment 411.

The cuff control unit 430 may be connected to the engagement control unit 420, for example, may be coupled. The cuff control unit 430 may be coupled to the coupling control unit 420 in various ways. For example, the cuff control unit 430 may be coupled to the coupling control unit 420 in a fitting manner. Additionally, as another example, the cuff control unit 430 may be coupled to the coupling control unit 420 using a welding method. In addition, various methods for strong bonding can be used.

The engagement control unit 420 may be disposed on the first tread mold base segment 411, and when necessary, the engagement control unit 420 may be separated from the first tread mold base segment 411.

As an optional embodiment, the coupling control unit 420 may be coupled to the first tread mold base segment 411, and can be coupled in various ways to maintain a stable state without shaking or changing position during the vulcanization process. For example, the coupling control unit 420 can be coupled to the first tread mold base segment 411 in a fitting form, and as another example, it can be coupled by fastening using a fastening means, such as a pin or screw. can be maintained and separated.

As an optional embodiment, a plurality of cuff control units 430 and corresponding coupling control units 420 may be disposed on the first tread mold base segment 411. For example, a plurality of tread mold base segments 411 may be disposed along the width direction, the crossing direction, or the circumferential direction of the first tread mold base segment 411.

Additionally, as an optional embodiment, one or more cuff control units 430 and a corresponding engagement control unit 420 may be disposed on each of the plurality of tread mold base segments of the tread mold base unit 410. For example, one or more cuff control units 430 and a corresponding engagement control unit 420 may be disposed on each of the entire tread mold base segments 411 to 418 included in the tread mold base unit 410.

The combination control unit 420 may include a body area 421 and a combination area 422. The combination control unit 220 can selectively apply the configuration of FIGS. 3 to 5 (for example, the structure of FIG. 5) as the above-described embodiment or modified examples. For example, the engagement control unit 420 is disposed in the receiving portion 411a formed to have a depth on one surface of the concave portion 411T of the first tread mold base segment 411 to be distinguished from the first tread mold base segment 411. It can be. Additionally, the coupling area 422 is formed to be wider than the main body area 421, so that the coupling control unit 420 may have a stepped structure. In addition, the receiving portion 411a may be formed to correspond to the body region 421 and the coupling region 422 of the coupling control unit 420, and as a specific example, the body receiving region 411a1 and the coupling receiving region 411a2 are used. The width of the coupling receiving area 411a2 may be greater than that of the main body receiving area 411a1, and the main body receiving area 411a1 may be formed to have a longer coupling receiving area 411a2. The cuff control unit 430 and the coupling control unit 420 may be connected or coupled through the connection part 430a. For example, the connection portion 430a is a region including the end of the cuff control portion 430 and may include a portion inserted into the coupling region 422 of the coupling control portion 420 in a fitting form. Additionally, as another example, the connection portion 430a may include a welding area formed through a welding process at the end of the cuff control portion 430.

The cuff control unit 430 may include a first area 431 and a second area 432. The first area 431 is an area connected to the connection portion 430a, and the second area 432 may include an area extending from the first area 431. The second area 432 may be an area that begins to come into contact with the green tire during curing. The first area 431 and the second area 432 may have different widths and, for example, may have a stepped shape. Through this, when forming a cuff on a green tire, the shape and depth of each region can be precisely controlled. For example, the depth of each region of the cuff can be controlled to be different. Additionally, as an optional example, the second area 432 may include a curved surface. Through this, effective pressure can be applied to the green tire during the vulcanization process and the kerf pattern can be precisely controlled.

The control penetration portion 411H may be disposed in the first tread mold base segment 411. For example, the control penetrating portion 411H may be formed on a surface of the first tread mold base segment 411 opposite to the surface on which the cuff control unit 430 is disposed.

For example, a green tire is placed on the tread mold base portion 410 including the first tread mold base segment 411, and a control penetrating portion is formed to correspond to the opposite side of the side facing the green tire during the vulcanization process, as a specific example, the outer side. (411H) may be placed.

Additionally, the control penetrating portion 411H may have the shape of an elongated hole, for example, a linear shape.

The control penetrating portion 411H may be arranged to overlap the coupling control unit 420, and for example, may be extended to be at least connected to the coupling control unit 420. The coupling control unit 420 can be visually confirmed from the outside of the first tread mold base segment 411 through the control penetration part 411H, and a separate member can also be contacted or temporarily connected to the coupling control unit 420. there is. Specific details using these separate members will be described later.

As an optional embodiment, the control penetrating portion 411H may be formed to have a smaller width than the coupling control portion 420, thereby improving the ability to precisely control handling during the vulcanization process.

When the combination control unit 420 is arranged in plural numbers, the control penetrating parts 411H may also be arranged in plural numbers.

FIGS. 12 and 13 are exemplary views for explaining separating the cuff control unit and the engagement control unit of the tire curing mold set of FIG. 9 from the tread mold base unit.

12 and 13 illustrate an exemplary process of handling the engagement control portion 420 using a handling tool member (CHG) through the control penetration portion 411H.

The handling tool member (CHG) may have a width smaller than the control penetrating portion 411H and may be formed to be longer than the control penetrating portion 411H so as to be able to move at least in the moving direction D1 in the control penetrating portion 411H. there is.

The engagement control unit 420 may be separated from the first tread mold base segment 411 using a handling tool member (CHG). For example, the coupling control unit 420 may be separated from the first tread mold base segment 411 by applying force to push the coupling control unit 420 in the moving direction D1. At this time, the cuff control unit 430 coupled to the coupling control unit 420 may also be separated from the first tread mold base segment 411. For example, as described above, the coupling control unit 420 can be coupled to the first tread mold base segment 411 in a fitting form, and the coupling control unit is used by a handling tool member (CHG) to provide a force greater than the coupling force through this fitting. 420 can be separated from the first tread mold base segment 411 by pushing it.

The coupling control unit 420 and the cuff control unit 430 can be easily separated from the first tread mold base segment 411, so that in case of damage or deformation of the cuff control unit 430, the cuff control unit 430 can be easily separated and repaired. Or it can be replaced. Through this, the efficiency of the curing process can be improved by reducing or eliminating additional work such as damage, replacement, or repair of the first tread mold base segment 411, and the ability to precisely maintain the desired curing pattern can be improved.

Figures 14 to 16 are diagrams illustrating another example of separating the cuff control unit and the engagement control unit of the tire vulcanization mold set from the tread mold base unit.

14 to 16, the handling tool member (CHG) may have a width smaller than the control penetrating portion 411H so that it can move at least in the moving direction D1 in the control penetrating portion 411H, and the control penetrating portion 411H may have a smaller width than the control penetrating portion 411H. It can be formed longer than (411H).

The engagement control unit 420 may be separated from the first tread mold base segment 411 using a handling tool member (CHG). For example, the handling tool member (CHG) may be moved in the moving direction D1 to be engaged with the engagement control unit 420, for example, may be engaged with the engagement groove 420S, and as an optional embodiment, a fitting engagement, It can be combined and separated through screw connection, etc.

Then, when the handling tool member (CHG) is rotated in the rotational direction (S1), the coupling control unit 420 coupled to the handling tool member (CHG) can also be rotated in the rotational direction (S1). Through this rotational movement, the coupling control unit 420 can be separated from the first tread mold base segment 411. As an optional embodiment, the outer surface 420FS of the coupling control unit 420 and the corresponding surface 411aFS of the receiving part 411a of the first tread mold base segment 411 may be screwed, and the coupling control unit As 420 rotates in the rotation direction S1, the outer surface 420FS and the corresponding surface 411aFS may be separated.

Through this, the coupling control unit 420 can be easily separated from the first tread mold base segment 411, and the cuff control unit 430 coupled to the coupling control unit 420 can also be separated from the first tread mold base segment 411. can be separated.

In addition, although not shown, various methods can be used to separate the coupling control unit 420 from the first tread mold base segment 411 using the handling tool member (CHG) and the coupling control unit 420. The separation process can be carried out using contact or support. As an optional embodiment, the handling tool member (CHG) and the engagement control unit 420 may be selectively separated from the first tread mold base segment 411 by applying a force to the engagement control unit 420 using a magnetic force member.

Figure 17 is a front view showing a tire curing mold set according to another embodiment of the present invention, and Figure 18 is a schematic view seen from the T direction of Figure 17. For convenience of explanation, Figure 18 may be part of a perspective plan view.

The tire curing mold set 500 of this embodiment may include a tread mold base portion 510, a cuff control portion 530, a coupling control portion 520, and a control penetration portion 511H.

For convenience of explanation, the description will focus on differences from the above-described embodiments.

A plurality of cuff control units 530 may be disposed on the first tread mold base segment 511. For example, a plurality of cuff control units 530 may be arranged to be spaced apart from each other along the longitudinal direction of the first tread mold base segment 511, as a specific example, along the circumferential direction (RT) of the tread mold base portion 510. Through this, a plurality of cuffs can be easily formed along the circumferential direction of the green tire.

A plurality of coupling control units 520 may be arranged to correspond to each of the plurality of cuff control units 530. For example, the plurality of coupling control units 520 may be arranged to be spaced apart from each other along the longitudinal direction of the first tread mold base segment 511, for example, along the circumferential direction (RT) of the tread mold base portion 510. Through this, a plurality of cuffs can be easily formed along the circumferential direction of the green tire.

Additionally, as an optional embodiment, a plurality of cuff control units 530 and a plurality of coupling control units 520 corresponding thereto may be disposed on each of the plurality of tread mold base segments of the tread mold base portion 510.

Although not shown, the structures of the coupling control unit 520 and the cuff control unit 530 can be selectively applied to the structures of the above-described embodiments, for example, the structures of FIGS. 3 to 5 (for example, the structure of FIG. 5). It can also be applied selectively.

Additionally, a control penetrating portion 511H may be formed to correspond to each coupling control portion 520.

Each of the plurality of coupling control units 520 can be separated from the first tread mold base segment 511 using the above-described handling tool member through the control penetration part 511H, and as a result, the cuff control unit 530 can also be separated. This can facilitate handling, replacement, repair or management.

FIG. 19 is a diagram illustrating an alternative embodiment of FIG. 18.

Referring to FIG. 19, the tire curing mold set 600 of this embodiment may include a tread mold base portion 610, a cuff control portion 630, a coupling control portion 620, and a control penetration portion 611H.

For convenience of explanation, the description will focus on differences from the above-described embodiments.

A plurality of cuff control units 630 may be disposed on the first tread mold base segment 611. For example, a plurality of cuff control units 630 may be arranged to be spaced apart from each other along the longitudinal direction of the first tread mold base segment 611, as a specific example, along the circumferential direction (RT) of the tread mold base portion 610. Through this, a plurality of cuffs can be easily formed along the circumferential direction of the green tire.

The coupling control unit 620 may be formed to correspond to at least two cuff control units 630. For example, as shown in FIG. 19, one common coupling control unit 620 may correspond to four cuff control units 630.

The coupling control unit 620 may be formed to have a length along the longitudinal direction of the first tread mold base segment 611, for example, along the circumferential direction (RT) of the tread mold base portion 610, for example, the first tread mold base segment 611. It may be formed to have a length smaller than the length of the tread mold base segment 611 and a width smaller than the width of the first tread mold base segment 611.

A control penetrating portion 611H may be formed to correspond to the coupling control portion 620.

The coupling control unit 620 can be separated from the first tread mold base segment 611 using the above-described handling tool member through the control penetrating portion 611H. Accordingly, a plurality of cuff control units 630 (for example, four in FIG. 19) coupled to a common coupling control unit 620 can be easily separated to facilitate handling, replacement, repair or management.

As an optional embodiment, a plurality of cuff control units 630 arranged along the circumferential direction (RT) of the tread mold base unit 610 can be easily managed by separating the common coupling control unit 620.

Figure 20 is a diagram schematically showing a tire curing device according to an embodiment of the present invention. Figure 21 is a schematic enlarged view of K in Figure 20.

Referring to FIGS. 20 and 21 , the tire curing device 1000 may include a tire curing mold set 500, a first side mold 1600, and a second side mold 1700.

The first side mold 1600 may be formed to correspond to the side of the green tire, for example, the side wall area, during the curing process using the green tire, to form the shape of the tire side adjacent to the tire tread after the curing process.

As an optional embodiment, the slide plate 1800 may be disposed adjacent to the first side mold 1600. Specifically, the slide plate 1800 is disposed around the first side mold 1600, for example, may be disposed to surround the bottom of the first side mold 1600, and may optionally be disposed around the bottom of the first side mold 1600. It may be connected to the mold 1600.

The second side mold 1700 may be arranged to face the first side mold 1600. The second side mold 1700 may be formed to correspond to the side of the green tire during the curing process using the green tire and form the shape of the tire side adjacent to the tire tread after the curing process. That is, the first side mold 1600 and the second side mold 1700 can form the shape of one side of the tire and the other side opposite to it.

The tire curing mold set 500 may be disposed between the first side mold 1600 and the second side mold 1700 to connect the first side mold 1600 and the second side mold 1700.

The tire curing mold set 500 may be the tire curing mold set 500 shown in FIG. 17 described above. In addition, this is an example, and of course, another tire curing mold set among the above-described embodiments can be applied.

During the curing process using a green tire, the concave portion 511T of the tread mold base portion 510 of the tire curing mold set 500 corresponds to one side of the green tire and is an area corresponding to the tire tread after the curing process, and has a plurality of grooves. A groove can be formed in the tread portion through the corresponding protruding pattern 511g.

Additionally, a cuff can be formed using one or more cuff control units 530, for example, a plurality of cuff control units 530, and as a specific example, one or more cuffs adjacent to a groove can be easily formed.

In addition, the engagement control unit 520 can be easily separated from the tread mold base unit 510 to separate the engagement control unit 520 and the cuff control unit 530 without or reducing the impact on the tread mold base unit 510, and the cuff Various management tasks such as repairing or replacing the control unit 530 can be performed. As a result, when management of the cuff control unit 530 is required to form a cuff during, before or after the vulcanization process, work efficiency can be improved and the precision of the vulcanization process can be improved by stably maintaining the tread mold base 510. there is.

Additionally, as an optional embodiment, the container segment CS may be disposed around the tire curing mold set 500, for example, on the slide plate 1800. Additionally, a container outer ring (OR) may be disposed to surround the container segment (CS). At this time, the container segment (CS) may have various shapes, for example, it may have an inclined outer peripheral surface, and the container outer ring (OR) moves up and down with respect to this inclined surface and moves to the container segment (CS) accordingly. Force can be applied to cause the container segment (CS) to move inward.

Additionally, as an optional embodiment, the lower plate LP may be disposed below the first side mold 1600. That is, the first side mold 1600 may be placed on the lower plate LP, and the second side mold 1700 may be placed on the first side mold 1600.

In addition, as an optional embodiment, the upper plate UP may be disposed on the upper part of the second side mold 1700, that is, on the opposite side of the area of the second side mold 1700 facing the first side mold 1600. there is.

Figure 22 is a front view schematically showing a tire formed through a curing process using the tire curing device of Figure 20.

FIG. 23 is a schematic plan view seen from the P direction of FIG. 22.

Referring to FIG. 22, the tire PTR may have a shape extending in the traveling direction RT around the central axis AX.

Additionally, a wheel (not shown) may be coupled to the inside of the tire (PTR) in the radial direction (r) from the central axis (AX). When a tire (PTR) is coupled to such a wheel (not shown), the tire (PTR) can be easily mounted on the wheel (not shown) through the bead portion (not shown) of the tire (PTR), and can be separated when necessary. there is.

Referring to FIGS. 22 and 23 , the tread portion TRA of the tire PTR may include an area facing the road surface when the tire PTR is mounted on a means of transportation and driven. For example, the tread portion (TRA) may include an area that comes into contact with the road surface when the means of transportation is driven. The means of transportation may be a vehicle, or may include an airplane or other various means.

The tread portion (TRA) may be formed of various materials. For example, it can be manufactured by adding various additives to a rubber-based material base.

The tread portion TRA may be formed to have a surface corresponding to the concave portion 511T of the tire curing mold set 500 described above.

The groove GRW may be formed in one area of the tread portion TRA and, for example, may be formed to face the road surface.

The groove GRW may have a thickness and a depth, for example, may be formed to have a depth in the thickness direction of the tread portion TRA. As a specific example, the groove GRW may be formed on one surface of the tread portion TRA such that a portion of the thickness is removed toward the center of the tire PTR.

The groove GRW may be formed to correspond to the plurality of groove-corresponding protrusion patterns 511g of the tire curing mold set 500 described above.

The groove GRW may be formed to have a length in a direction intersecting the width direction of the tire PTR (for example, the It may have a length parallel to the circumferential direction (RT direction in FIGS. 22 and 23). As a specific example, the groove GRW may have a shape extending long along the circumferential direction of the tire PTR.

The tread portion (TRA) may have one or more patterns, and these patterns may be adjacent to one or more grooves (GRW). As an optional embodiment, the groove GRW may include a groove having a length that intersects or is perpendicular to the traveling direction RT of the tire PTR.

The number and shape of grooves (GRW) may be determined in various ways depending on the driving characteristics and purposes of the tire (PTR).

One or more cuff portions (KFU) may be formed, for example, adjacent to the groove (GRW). The cuff portion (KFU) is formed in the tread portion (TRA) and may be, for example, a groove having a smaller size (smaller width or smaller length) than the groove (GRW).

The cuff unit (KFU) can increase the driving and braking power of the tire (PTR) by absorbing moisture and breaking the water film when driving on a wet road surface.

As described above, when performing a curing process using the tire curing mold set 500, the cuff portion (KFU) can be easily formed using the cuff control unit 530. In addition, by accurately determining the shape of the cuff unit (KFU), for example, after the vulcanization process, various management tasks such as repairing or replacing the cuff control unit 530 can be performed if necessary. . As an example, the engagement control unit 520 can be easily separated from the tread mold base unit 510 to separate the engagement control unit 520 and the cuff control unit 530 without or reducing the effect on the tread mold base unit 510. Accordingly, after replacing the cuff control unit 530 or easily repairing the damaged or deformed part, the vulcanization process can be performed after coupling the coupling control unit 520 and the cuff control unit 530 to the tread mold base unit 510. You can.

As a result, work efficiency during the vulcanization process is improved and precise pattern formation, including the formation of grooves and cuffs formed in the tread portion, can be easily performed.

As such, the present invention has been described with reference to the embodiments shown in the drawings, but these are merely illustrative, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. . Therefore, the true scope of technical protection of the present invention should be determined by the technical spirit of the appended claims.

Specific implementations described in the embodiments are examples and do not limit the scope of the embodiments in any way. For the sake of brevity of the specification, descriptions of conventional electronic configurations, control provision methods, software, and other functional aspects of the provision methods may be omitted. In addition, the connections or connection members of lines between components shown in the drawings exemplify functional connections and/or physical or circuit connections, and in actual devices, various functional connections or physical connections may be replaced or added. Can be represented as connections, or circuit connections. Additionally, if there is no specific mention such as “essential,” “important,” etc., it may not be a necessary component for the application of the present invention.

In the specification of the embodiment (particularly in the claims), the use of the term “above” and similar referential terms may refer to both the singular and the plural. In addition, when a range is described in an example, the invention includes the application of individual values within the range (unless there is a statement to the contrary), and is the same as describing each individual value constituting the range in the detailed description. . Lastly, unless the order of the steps constituting the method according to the embodiment is clearly stated or there is no description to the contrary, the steps may be performed in an appropriate order. The embodiments are not necessarily limited by the order of description of the steps above. The use of any examples or illustrative terms (e.g., etc.) in the embodiments is merely for describing the embodiments in detail, and unless limited by the claims, the scope of the embodiments is not limited by the examples or illustrative terms. That is not the case. Additionally, those skilled in the art will recognize that various modifications, combinations and changes may be made depending on design conditions and factors within the scope of the appended claims or their equivalents.

100, 200, 300, 400, 500, 600: Tire curing mold set
110, 210, 310, 410, 510, 610: Tread mold base portion
130, 230, 330, 430, 530, 630: Cuff control unit
120, 220, 320, 420, 520, 620: Combined control unit

Claims (10)

A tire curing mold set configured for use in a curing process for green tires, comprising:
a tread mold base portion including a first tread mold base segment and a second tread mold base segment arranged to be at least adjacent to each other;
a cuff control unit coupled to a region of the first tread mold base segment to control cuff formation on the green tire; and
A tire curing mold set comprising a coupling control part disposed between the cuff control part and the first tread mold base segment and configured to couple the cuff control part to the first tread mold base segment. According to claim 1,
A tire curing mold set, wherein the coupling control unit is formed separately from the first tread mold base segment. According to claim 1,
The first tread mold base segment includes a concave portion facing the green tire during the curing process,
A tire curing mold set, including a receiving portion formed on one surface of the concave portion and the engagement control portion being disposed in the receiving portion. According to claim 1,
The tire curing mold set includes a plurality of cuff control units arranged on the first tread mold base segment to be spaced apart from each other. According to claim 1,
A tire curing mold set, wherein the cuff control unit is provided in plural numbers and is disposed on the second tread mold base segment to be distinguished from that disposed on the first tread mold base segment. According to claim 1,
A tire curing mold set, wherein the coupling control unit is formed to be separated in a direction away from the first tread mold base segment. Pertaining to a tire curing device configured to perform a curing process for green tires,
A tire curing mold set arranged to face one side of the green tire during the curing process;
a first side mold disposed on one side of the tire curing mold set; and
A second side mold disposed on the other side of the tire curing mold set to face the first side mold,
The tire curing mold set is,
a tread mold base portion including a first tread mold base segment and a second tread mold base segment arranged to be at least adjacent to each other;
a cuff control unit coupled to a region of the first tread mold base segment to control cuff formation on the green tire; and
A tire curing device comprising a coupling control unit disposed between the cuff control unit and the first tread mold base segment and configured to couple the cuff control unit to the first tread mold base segment. According to clause 7,
A tire curing device, wherein the cuff control unit is arranged to face the green tire when the green tire is placed. It relates to a tire manufacturing method for manufacturing tires using green tires,
comprising placing the green tire in a tire curing device,
The tire curing device includes at least one cuff control unit disposed on a tread mold base portion having a plurality of tread mold base segments and disposed on the first tread mold base segment to couple the cuff control unit to the first tread mold base segment. It includes a coupling control unit formed to
A tire manufacturing method comprising forming one or more kerf parts for the green tire using the kerf control part. According to clause 9,
The method of manufacturing a tire, wherein the coupling control unit controls a process of selectively separating from the first tread mold base segment before or after a curing process using the tire curing device.

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