CN112829354B - Rubber sole and preparation method thereof - Google Patents
Rubber sole and preparation method thereof Download PDFInfo
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- CN112829354B CN112829354B CN202011625921.9A CN202011625921A CN112829354B CN 112829354 B CN112829354 B CN 112829354B CN 202011625921 A CN202011625921 A CN 202011625921A CN 112829354 B CN112829354 B CN 112829354B
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- sole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
- B29D35/122—Soles
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/04—Plastics, rubber or vulcanised fibre
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a rubber sole and a preparation method thereof, which solve the technical problems of high cost and complex replacement operation of the existing sole trademark identification mold.
Description
Technical Field
The invention relates to the technical field of shoemaking, in particular to a rubber sole and a preparation method thereof.
Background
The sole structure needs to be designed when the shoe type is designed, usually, the trademark identification is designed on the sole, the sole sample of various brands is provided for different customers or the same customer with different trademarks after the shoe type is designed, so that the sole sample of the same style needs to be replaced by a mold for replacing different trademark identifications, the cost is high, and the operation is complex. The invention is different from the sole trademark identification mode, develops a completely different research on a novel sole with a trademark identification, and develops the scheme.
Disclosure of Invention
The invention aims to provide a sole and a preparation method thereof, which meet the requirement of brand identification of novel soles.
Therefore, the invention provides a rubber sole which is provided with a sole rubber layer and mark rubber, wherein the mark rubber is integrally connected with the bottom surface of the sole rubber layer in a hot pressing manner.
Preferably, the sole rubber layer is provided with an outer sole rubber layer and an inner sole rubber layer, the marking rubber is in integral hot-press connection with the bottom surface of the inner sole rubber layer, the outer sole rubber layer is of an annular structure, and the outer sole rubber layer surrounds the periphery of the inner sole rubber layer and is in integral hot-press connection.
Preferably, the marking rubber is a trademark marking rubber.
A preparation method of a rubber sole comprises the following steps:
selecting a rubber material: cutting a semi-finished rubber sole layer blank and a semi-finished rubber marking blank which are prepared to have corresponding sizes according to the size of a mold cavity of a sole mold;
and (2) successively laying the marked rubber semi-finished product blank and the sole rubber layer semi-finished product blank at corresponding positions in a die cavity of the lower die, and connecting the marked rubber layer semi-finished product blank with the bottom surface of the sole rubber layer semi-finished product blank.
Preferably, the preparation method of the rubber sole further comprises the following steps:
step (3), covering the upper die, putting the sole die into a hot-press forming machine, closing the die, hot-pressing, and carrying out complete curing vulcanization;
and (4) taking out the sole mold, and opening the upper mold to obtain the rubber sole.
Preferably, in the step (2), the method for marking the laying position of the rubber semi-finished product blank is arranged in the corresponding position in the die cavity of the lower die, and comprises the following steps:
(1) making a plate on the plate body to form a hollow structure, wherein the shape and the size of the hollow structure are consistent or approximately the same as those of the blank of the marking rubber semi-finished product;
(2) placing the plate body with the hollow structure obtained in the step (1) in a die cavity of a lower die, and enabling the hollow structure to be opposite to the laying position of the marked rubber semi-finished product blank;
(3) treating the surface of a die cavity of the lower die opposite to the hollow structure of the plate body by using Teflon;
(4) and taking out the plate body, baking the lower die, and generating a trace for marking the laying position of the rubber semi-finished blank at the corresponding position of the lower die after the Teflon is baked.
Preferably, in the method for setting the laying position of the marked rubber semi-finished blank in the die cavity of the lower die, the step (2) is to perform Teflon treatment on the die cavity of the lower die before the plate body is placed; step (3) using teflon for carrying out two times of treatment; and (3) controlling the baking temperature at 180 ℃.
A preparation method of a rubber sole comprises the following steps:
(1) selecting a rubber material: cutting the semi-finished rubber layer blank outside the sole, the semi-finished rubber layer blank inside the sole and the semi-finished rubber mark blank of the rubber mark in corresponding sizes according to the size of the mold cavity of the sole mold;
(2) successively laying the semi-finished rubber layer blank outside the sole, the marking semi-finished rubber layer blank and the semi-finished rubber layer blank inside the sole at corresponding positions in a die cavity of a lower die, connecting the marking semi-finished rubber layer blank with the bottom surface of the semi-finished rubber layer blank inside the sole at the moment, wherein the semi-finished rubber layer blank outside the sole is of an annular structure, and the semi-finished rubber layer blank outside the sole surrounds the periphery of the rubber layer inside the sole and is connected with the rubber layer inside the sole;
(3) covering the upper die, putting the sole die into a hot-pressing forming machine, closing the die, hot-pressing, and completely curing;
(4) and taking out the sole mold, and opening the upper mold to obtain the rubber sole.
Preferably, in the step (1), the thickness of the semi-finished rubber layer blank outside the sole is 3-4 mm, the thickness of the semi-finished rubber layer blank inside the sole is 2-3 mm, and the thickness of the semi-finished rubber layer blank for the mark rubber is 1-2 mm.
Preferably, the hot press molding machine is an oil press, the hot press temperature of the oil press is controlled at 160 ℃, and the pressure is controlled at 140kg/cm 2 。
The invention has the beneficial effects that: the invention provides a novel sole and a preparation method thereof, which are completely different from the traditional process, and the requirement of sole trademark identification is met by vulcanizing and molding a semi-finished rubber product blank and a semi-finished sole rubber product blank together through trademark identification, so that the technical problem that a sole sample of the same style needs to be replaced by a mold for replacing different trademark identifications is completely solved. In addition, the invention adopts the mold trademark identification to assist the production process operation, and the designated position at the bottom of the lower mold cavity is provided with a physical trace which does not damage the mold, so that the trademark identification rubber semi-finished product blank can be conveniently placed at the designated position, the technical problem of disordered trademark identification arrangement is avoided, the operation guide is clear, the realization method is very simple, the operation time is saved, and the production capacity is improved; reduce the defective rate, promote the product quality and control, realize better product effect.
Drawings
FIG. 1 is a schematic view of a sole structure in an embodiment of the present invention;
fig. 2 is a schematic view of the structure of the sole mold.
The labels in the figure are:
1. the method comprises the following steps of marking rubber, 2, an outer sole rubber layer, 3, an inner sole rubber layer, 4, a lower die, 41, a die cavity of the lower die, 5, an upper die and 6, marking.
Detailed Description
The invention will be further described in connection with the drawings and the preferred mode of operation of the preferred embodiment to assist in understanding the invention. The method used in the invention is a conventional method if no special provisions are made; the raw materials and the apparatus used are, unless otherwise specified, conventional commercially available products.
Example 1
The invention provides a rubber sole which is provided with a sole rubber layer and mark rubber 1, wherein the mark rubber 1 is integrally connected with the bottom surface of the sole rubber layer in a hot pressing manner.
In this embodiment, the marking rubber 1 is made of a marking rubber semi-finished blank, the sole rubber layer is made of a sole rubber layer semi-finished blank, the marking rubber semi-finished blank and the sole rubber layer semi-finished blank are hot-pressed and vulcanized to form an integrated structure, the marking rubber 1 is the trademark marking rubber 1, the requirement of sole trademark identification is met, the technical problem that a sole sample of the same style needs to be replaced by a mold for replacing different trademark identifications is completely solved, the invention only needs to replace the shape of the trademark marking rubber semi-finished blank, and the method is simple, time-saving, labor-saving and low in cost.
In this embodiment, the rubber semi-finished rubber layer and the rubber sole semi-finished rubber layer are marked and can be semi-finished rubber prepared by the existing rubber sole formula.
In the present embodiment, the marking rubber 1 may be not only a trademark logo, but also a character, a pattern, or the like.
As a preferred embodiment, as shown in figure 1, the sole rubber layer is provided with an outer sole rubber layer 2 and an inner sole rubber layer 3, the marking rubber 1 is integrally connected with the bottom surface of the inner sole rubber layer 3 in a hot pressing way, the outer sole rubber layer 2 is of an annular structure, and the outer sole rubber layer 2 surrounds the periphery of the inner sole rubber layer 3 and is integrally connected in a hot pressing way.
In this embodiment, the inner rubber layer 3 of the sole is made of a semi-finished rubber layer blank of the inner rubber layer of the sole, the outer rubber layer 2 of the sole is made of a semi-finished rubber layer blank of the outer rubber layer of the sole, and the inner rubber layer blank of the sole, the outer rubber layer blank of the outer rubber layer of the sole and the semi-finished rubber mark blank are integrally hot-pressed.
In this embodiment, the semi-finished rubber layer blank inside the sole, the semi-finished rubber layer blank outside the sole, and the semi-finished rubber marking blank may be semi-finished rubber blanks prepared by the existing sole rubber formula.
In the embodiment, the inner rubber layer 3 of the sole is positioned in the sole and is used for hot-pressing and attaching the marking rubber 1; the outer rubber layer 2 of the sole is positioned around the sole and is used as a transition part of the sole, which is equivalent to the outer sole and is used for connecting the inner rubber layer 3 of the sole and the upper.
Example 2
The invention provides a preparation method of a rubber sole, which comprises the following steps:
selecting a rubber material: cutting a semi-finished rubber sole layer blank and a semi-finished rubber marking blank which are prepared to have corresponding sizes according to the size of a mold cavity of a sole mold;
and (2) successively laying the marked rubber semi-finished product blank and the sole rubber layer semi-finished product blank at corresponding positions in a die cavity 41 of the lower die 4, and connecting the marked rubber 1 layer semi-finished product blank with the bottom surface of the sole rubber layer semi-finished product blank.
In this embodiment, the above method for preparing a rubber sole further includes the following steps:
step (3), covering the upper die 5, putting the sole die into a hot-press forming machine, closing the die and hot-pressing, and carrying out complete curing vulcanization;
and (4) taking out the sole mold, and opening the upper mold 5 to obtain the rubber sole.
In this embodiment, the rubber semi-finished blank of the mark corresponds or is substantially identical to the shape of the mark. The semi-finished product blank of the marking rubber is vulcanized into the marking rubber 1, and the marking rubber 1 not only can be a trademark mark, but also can be marks such as characters, patterns and the like.
In this embodiment, the marked rubber semi-finished product blank and the sole rubber layer semi-finished product blank in step (2) are sequentially laid in the corresponding positions in the mold cavity 41 of the lower mold 4, and the corresponding positions correspond to the produced rubber sole structures one by one.
As a preferred embodiment, in the step (2), the method for marking the position where the rubber semi-finished blank is laid in the cavity 41 of the lower mold 4 includes the following steps:
(1) and (3) making a plate on the plate body to form a hollow structure, wherein the hollow structure is consistent or approximately the same as the shape and the size of the marking rubber semi-finished blank. The plate body can be made of a hard board, letters or other patterns to be formed are copied or printed on the hard board, and then the letters or other patterns are carved into a hollow structure by using an art designing knife or a laser engraving machine.
(2) And (3) placing the plate body with the hollow structure obtained in the step (1) in a mold cavity 41 of the lower mold 4, so that the hollow structure is opposite to the laying position of the marked rubber semi-finished product blank.
(3) Treating the surface of a die cavity 41 of the lower die 4 opposite to the hollow structure of the plate body by using Teflon; the treatment is usually carried out by uniformly spraying with a teflon spray.
(4) Taking out the plate body, baking the lower die 4, and after the Teflon is baked, generating a trace 6 for marking the laying position of the rubber semi-finished blank at the corresponding position on the surface of the die cavity 41 of the lower die, wherein the trace 6 generated after the Teflon is baked is sprayed in the die cavity of the lower die 4 and has a color different from the colors of other positions.
In the embodiment, a release agent Teflon is sprayed at a designated position in the die cavity of the lower die 4, and physical traces 6 appearing after the release agent Teflon is dried are utilized, so that the semi-finished product blank of the trademark identification rubber is conveniently placed at the designated position, the technical problem of disordered arrangement of trademark identifications is avoided, the operation guide is clear, the implementation method is very simple, the operation time is saved, and the production capacity is improved; reduce the defective rate, promote the product quality and control, realize better product effect.
In the present embodiment, in the method of setting the position for laying the marked rubber semi-finished blank in the cavity 41 of the lower mold 4, before the plate body is placed in the step (2), the cavity 41 of the lower mold 4 may be subjected to a teflon treatment once, and the step (3) may be subjected to a teflon treatment twice. By three times of Teflon treatment, on one hand, the durability of the Teflon to the protection of the mold is increased; and on the other hand, the trace 6 in the mold after the Teflon is baked in the step (4) is deepened, so that the Teflon is easier to identify and view in the production process.
In this embodiment, can use the sand blasting machine to handle the mould surface in advance, get rid of surface impurity, clean mould surface makes preparation for spraying the teflon spray.
In this embodiment, the baking temperature in step (3) is controlled at 180 ℃.
In this example, a rubber sole having a sole rubber layer and a marker rubber 1 as described in example 1 was finally produced.
Example 3
The invention provides a preparation method of a rubber sole, which is mainly different from the embodiment 2 in that the produced rubber sole has a different structure and comprises the following steps:
selecting a rubber material: cutting the semi-finished rubber layer blank outside the sole, the semi-finished rubber layer blank inside the sole and the semi-finished rubber mark blank of the rubber mark in corresponding sizes according to the size of the mold cavity of the sole mold;
step (2) successively laying the semi-finished rubber layer blank outside the sole, the marked semi-finished rubber layer blank and the semi-finished rubber layer blank inside the sole at corresponding positions in a die cavity 41 of a lower die 4, wherein the semi-finished rubber layer blank of the marked rubber 1 layer is connected with the bottom surface of the semi-finished rubber layer blank inside the sole, the semi-finished rubber layer blank outside the sole is of an annular structure, and the semi-finished rubber layer blank outside the sole surrounds the periphery of the rubber layer 3 inside the sole and is connected with each other;
covering the upper die 5, putting the sole die into a hot-press forming machine, closing the die, hot-pressing, and carrying out complete curing;
and (4) taking out the sole mold, and opening the upper mold 5 to obtain the rubber sole.
In this embodiment, in the step (1), the thickness of the semi-finished rubber layer blank outside the sole is 3.5mm and may range from 3mm to 4mm, the thickness of the semi-finished rubber layer blank inside the sole is 2.5mm and may range from 2mm to 3mm, the thickness of the semi-finished rubber layer blank is 1.5mm and the thickness of the semi-finished rubber layer blank is 1 mm to 2 mm.
In this embodiment, the hot press forming machine is an oil press, the hot press temperature of the oil press is controlled at 160 deg.C, and the pressure is controlled at 140kg/cm 2 . The mold clamping time may be 10 minutes.
As a preferred embodiment, in the step (2), the marking rubber semi-finished product blank is laid in the corresponding position in the cavity 41 of the lower die 4, and the method steps for setting the position of laying the marking rubber semi-finished product blank in the cavity 41 of the lower die 4 are the same as in the embodiment 2, and will not be described again.
In this embodiment, a sole mold is used as shown in fig. 2. In the step (2), the semi-finished rubber layer blanks outside the soles, the marked semi-finished rubber products and the semi-finished rubber layer blanks inside the soles are sequentially laid in corresponding positions in the die cavity 41 of the lower die 4, and the corresponding positions correspond to the structures of the produced rubber soles one by one.
In this example, a rubber sole having the outer sole rubber layer 2, the inner sole rubber layer 3, and the marking rubber 1 as described in example 1 was finally produced.
In this embodiment, the other contents are the same as those of embodiment 2, and will not be described in detail here.
In the description of the present invention, it is to be understood that the terms "left", "right", "upper", "lower", "top", "bottom", "front", "rear", "inner", "outer", "back", "middle", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
However, the above description is only exemplary of the present invention, and the scope of the present invention should not be limited thereby, and the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.
Claims (4)
1. The preparation method of the rubber sole is characterized by comprising the following steps:
selecting a rubber material: cutting a semi-finished rubber sole layer blank and a semi-finished rubber marking blank which are prepared to have corresponding sizes according to the size of a mold cavity of a sole mold;
step (2), successively laying the marking rubber semi-finished product blank and the sole rubber layer semi-finished product blank at corresponding positions in a die cavity (41) of a lower die (4), and connecting the marking rubber layer semi-finished product blank with the bottom surface of the sole rubber layer semi-finished product blank;
step (3), covering an upper die (5), putting the sole die into a hot-press forming machine, closing the die, hot-pressing, and carrying out complete curing;
step (4), taking out the sole mold, and opening the upper mold (5) to obtain the rubber sole;
in the step (2), the method for marking the laying position of the rubber semi-finished product blank is arranged in the corresponding position in the die cavity (41) of the lower die (4), and the method for marking the laying position of the rubber semi-finished product blank is arranged in the die cavity (41) of the lower die (4), and comprises the following steps:
in the method for arranging the laying position of the marked rubber semi-finished blank in the die cavity (41) of the lower die (4), before the plate body is placed, the die cavity (41) of the lower die (4) is subjected to Teflon treatment for one time; using teflon to carry out two times of treatment; said step (c) is
The baking temperature was controlled at 180 ℃.
2. The preparation method of the rubber sole is characterized by comprising the following steps of:
(1) selecting a rubber material: cutting the semi-finished rubber layer blank outside the sole, the semi-finished rubber layer blank inside the sole and the semi-finished rubber mark blank of the rubber mark in corresponding sizes according to the size of the mold cavity of the sole mold;
(2) successively laying the semi-finished rubber layer blank outside the sole, the semi-finished rubber marking blank and the semi-finished rubber layer blank inside the sole at corresponding positions in a die cavity (41) of a lower die (4), wherein the semi-finished rubber marking blank is connected with the bottom surface of the semi-finished rubber layer blank inside the sole, the semi-finished rubber layer blank outside the sole is of an annular structure, and the semi-finished rubber layer blank outside the sole surrounds the inner rubber layer (3) of the sole and is connected with the inner rubber layer;
(3) covering an upper die (5), putting the sole die into a hot-press forming machine, closing the die, hot-pressing, and completely curing;
(4) taking out the sole mold, and opening the upper mold (5) to obtain the rubber sole;
in the step (2), the method for marking the laying position of the semi-finished rubber blank is arranged in the corresponding position in the die cavity (41) of the lower die (4), and comprises the following steps:
plate making is carried out on a plate body to form a hollow structure, and the shape and the size of the hollow structure are consistent or approximately the same as those of the blank of the semi-finished product of the marked rubber; the plate body is made of a hard board, letters or other patterns to be formed are copied or printed on the hard board, and then the letters or other patterns are carved by an art knife or a laser engraving machine to form the hollow structure;
secondly, the plate body with the hollow structure obtained in the first step is placed in a mold cavity (41) of the lower mold (4), so that the hollow structure is opposite to the laying position of the marked rubber semi-finished blank;
uniformly spraying the surface of a die cavity (41) of the lower die (4) which is just opposite to the hollow structure of the plate body by using Teflon;
fourthly, taking out the plate body, baking the lower die (4), and enabling marks (6) for marking the laying position of the rubber semi-finished blank to appear at corresponding positions on the surface of the die cavity (41) of the lower die (4) after Teflon is baked;
and secondly, performing Teflon treatment on the die cavity (41) of the lower die (4) before the plate body is placed.
3. The method for preparing a rubber sole according to claim 2, wherein in the step (1), the thickness of the semi-finished rubber layer blank outside the sole is 3-4 mm, the thickness of the semi-finished rubber layer blank inside the sole is 2-3 mm, and the thickness of the semi-finished marked rubber layer blank is 1-2 mm.
4. The method for preparing a rubber sole according to claim 2, wherein the hot press forming machine is an oil press, the hot press temperature of the oil press is controlled at 160 ℃, and the pressure of the oil press is controlled at 140kg/cm 2 。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011625921.9A CN112829354B (en) | 2020-12-31 | 2020-12-31 | Rubber sole and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011625921.9A CN112829354B (en) | 2020-12-31 | 2020-12-31 | Rubber sole and preparation method thereof |
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| CN112829354A CN112829354A (en) | 2021-05-25 |
| CN112829354B true CN112829354B (en) | 2022-09-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3742211B2 (en) * | 1998-02-09 | 2006-02-01 | シャープ株式会社 | Mold and marking method for semiconductor device |
| CN100400276C (en) * | 2005-09-08 | 2008-07-09 | 刘坤钟 | Manufacture method of sole with rubber decoration |
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