CN104550699A - Brod for fabricating casting rubber mold and fabricating method for fabricating casting rubber mold - Google Patents
Brod for fabricating casting rubber mold and fabricating method for fabricating casting rubber mold Download PDFInfo
- Publication number
- CN104550699A CN104550699A CN201410232962.XA CN201410232962A CN104550699A CN 104550699 A CN104550699 A CN 104550699A CN 201410232962 A CN201410232962 A CN 201410232962A CN 104550699 A CN104550699 A CN 104550699A
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- Prior art keywords
- brod
- rubber
- casting mold
- rubber pattern
- body portion
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a brod for fabricating a casting rubber mold and a fabricating method for fabricating the casting rubber mold employing the brod for fabricating the casting rubber mold, increased cost and poor operating environment are prevented, and the productivity is improved. The brod for fabricating the casting rubber mold is employed during the fabrication of the casting rubber mold, the brods for fabricating the casting rubber mold are arranged in an opposite manner, specified intervals are arranged between a master mold and the brods, liquid rubber injected into the spaces between the brods and the master mold is hardened, and a rubber layer for duplicating the surface shape of the master mold in an overturning manner is formed on an opposite surface of the master mold. The brod is provided with a central main body portion with specified width and length and two movable portions respectively arranged at two sides of the central main body portion, the central main body portion is provided with injection holes for the liquid rubber, the two movable portions can slide in the width direction along the opposition surface of the central main body portion, the width corresponding to the width of the master mold is adjusted, and the central main body portion and the movable portions are formed by synthetic woods.
Description
Technical field
The manufacture method of the making casting mold rubber pattern of the brod that the present invention relates to the brod of the pedestal as rubber pattern (making casting mold rubber pattern), i.e. making casting mold rubber pattern and the brod employing described making casting mold rubber pattern, described rubber pattern is used for making the moulds such as tyre vulcanized mould by casting.
Background technology
In the past, tyre vulcanized mould can be used in airtyred vulcanization forming process.Generally, this tyre vulcanized mould manufactures according to the operation shown in Fig. 5.First, the parent form of picture on surface corresponding to the surface configuration of being processed the tires such as (Numerical control machining Digit Control Machine Tool) carve and tread contour by NC is manufactured.Then, manufacture the picture on surface being formed at this parent form carried out overturn, the rubber pattern (making casting mold rubber pattern) of transfer printing.Next, by casting gypsum is injected rubber pattern make the picture on surface being needed on this parent form carried out overturn, the casting mold of transfer printing.Then, the casting mold by aluminium being injected gypsum makes the tyre vulcanized mould (such as patent document 1) being formed with the picture on surface corresponding with the surface configuration of tire.
In above-mentioned situation, make casting mold rubber pattern was that the brod of gypsum is made into pedestal in the past.
Patent document 1: Japanese Unexamined Patent Publication: 2006-51636 publication
But, when parent form segmentation is made sheet mould etc., because respective segmentation angle is different, therefore manufacture the brod corresponding with each segmentation angle, and each brod manufactured by use manufactures rubber pattern.And used brod can be discarded after manufacture rubber pattern.Like this, because each brod produced can go out of use after manufacture rubber pattern, therefore cost increase is caused.
Further, when using gypsum to manufacture brod, there is the problem that gypsum disperses or the heavier problem of the brod produced, thus causing operating environment to be deteriorated.In addition, the dried floral of gypsum is time-consuming, also becomes the reason that productivity ratio declines.In addition, the gypsum gone out of use becomes trade waste, therefore causes cost increase further.
Summary of the invention
Therefore, problem of the present invention is to provide one to cause cost increase, also operating environment can not be caused to be deteriorated, the manufacture method of the making casting mold rubber pattern of the brod that can realize the making casting mold rubber pattern that productivity ratio improves and the brod using described making casting mold rubber pattern.
Invention described in technical scheme 1 is a kind of brod making casting mold rubber pattern, use when manufacturing described making casting mold rubber pattern, the brod of described making casting mold rubber pattern is so that and parent form separates the interval of regulation and opposed mode configures, harden by making the aqueous rubber be injected in the space between described brod and described parent form, thus with the opposed faces of described parent form on be formed with the rubber layer of the surface configuration copying described parent form turningly, the feature of the brod of described making casting mold rubber pattern is to possess:
Central body portion, it has width and the length of regulation, and is provided with the hand-hole of described aqueous rubber; With
Two movable parts, they are arranged on the both sides of described central body portion respectively, can slide in the direction of the width, thus be adjusted to the width corresponding with the width of described parent form along the described opposed faces of described central body portion,
Described central body portion and described movable part are formed by synthetic wood.
Invention described in technical scheme 2 is a kind of manufacture method making casting mold rubber pattern, it is characterized in that,
By the brod of making casting mold rubber pattern according to claim 1 with and described parent form separate regulation interval and opposed configure after, by injecting aqueous rubber from the hand-hole of described aqueous rubber, between described brod and described parent form, be formed with the rubber layer of the surface configuration copying described parent form turningly thus, thus produce making casting mold rubber pattern.
Invention described in technical scheme 3 is on the basis of the manufacture method of the making casting mold rubber pattern described in technical scheme 2, it is characterized in that,
Described rubber layer is formed to make the mode that the thickness of both sides is 10.0mm ~ 15.0mm.
Invention described in technical scheme 4 is on the basis of the manufacture method of the making casting mold rubber pattern described in technical scheme 2 or 3, it is characterized in that,
Fill solder is manufactured between described central body portion and described movable part described making casting mold rubber pattern in advance.
According to the present invention, the manufacture method of the making casting mold rubber pattern of a kind of brod that cost increase and operating environment variation can not be caused also can to realize the making casting mold rubber pattern that productivity ratio improves and the brod using described making casting mold rubber pattern can be provided.
Accompanying drawing explanation
Fig. 1 is the stereogram of the shape of the brod of the making casting mold rubber pattern schematically showing an embodiment of the invention.
Fig. 2 is that the brod of the making casting mold rubber pattern schematically showing use an embodiment of the invention is to make the stereogram of the situation of rubber pattern.
The making casting mold of an an embodiment of the invention part for the side of the brod of rubber pattern is amplified the stereogram represented by Fig. 3.
Fig. 4 is the figure that the generation defect caused by the ladder difference produced between movable part and central body portion is in an embodiment of the invention described.
Fig. 5 is the flow chart of the manufacturing process that general tire-mold is described.
Description of reference numerals: 1,6 ... the brod of rubber pattern; 2 ... assembly jig; 3 ... parent form; 3a ... the outer peripheral face of parent form; 5 ... side plate; 7 ... packing material; 11 ... central body portion; 11a ... bolt; 11b ... rubber hand-hole; 11c ... opposed faces; 12 ... movable part; 12a ... elongated hole; G ... rubber pattern; T ... the thickness of rubber pattern.
Detailed description of the invention
Below, the brod (hereinafter also referred to " brod of rubber pattern ") of the making casting mold rubber pattern of an embodiment of the invention is described.
1. the brod of rubber pattern
The brod of the rubber pattern of present embodiment is described.Fig. 1 is the stereogram of the shape of the brod of the rubber pattern schematically showing present embodiment.In FIG, 1 be rubber pattern brod, 11 for central body portion, 11a be that bolt, 12 is movable part, 12a is elongated hole.
Central body portion 11 has length and the width of regulation, and is provided with rubber hand-hole 11b.And adopt synthetic wood as the material of central body portion 11.
The inner surface of central body portion 11 face of upside (in the Fig. 1) is when making rubber pattern and the outer peripheral face of parent form separates the interval of regulation and opposed opposed faces 11c, and it is formed as the circular shape corresponding with the circular shape of parent form (circular shape of tire tread).
The brod 1 of the rubber pattern of present embodiment possesses two movable parts 12, two movable parts 12 can be arranged on the both sides of central body portion 11 in the direction of the width slidably respectively along the circular shape of opposed faces 11c, thus freely can adjust the width of brod 1 entirety of rubber pattern.This movable part 12 is also same with central body portion 11 is that synthetic wood is made.In addition, the length of movable part 12 is set to and central body portion 11 equal length.
The elongated hole 12a of the circular shape along opposed faces 11c is formed at two lateral surfaces of the length direction of movable part 12, by bolt 11a to be arranged on each lateral surface of the length direction of central body portion 11 with the state of passing this elongated hole 12a, movable part 12 can slide in the direction of the width along opposed faces 11c thus.
According to the present embodiment, by installing the movable part 12 that can slide in the direction of the width along opposed faces 11c, thus the width of the parent form used when making rubber pattern can be coordinated to adjust the width of the brod 1 of rubber pattern, even if therefore such as when segmentation angle each as multi-split sheet mould is different, also the brod of a Reusability rubber pattern can manufacture multiple rubber pattern, thus manufacturing cost can be cut down significantly.
In addition, the brod 1 possessing the central body portion 11 of synthetic wood and the rubber pattern of movable part 12 more than existing gypsum brod lightweight and there is enough hardness, because dust can not disperse in manufacturing process, operating environment therefore can not be caused to be deteriorated.
In addition, as such synthetic wood, such as, can list the Sunmodule TW-1510W etc. that Sanyo changes into Inc..And these synthetic woods are also the materials that manufacture parent form uses, and the tailing produced time therefore by being used in and making parent form makes central body portion, movable part, can cut down manufacturing cost by a larger margin thus.
In addition, this brod 1 can be used continuously by the brod 1 of the rubber pattern after the cleaning rubber pattern G demoulding, therefore, it is possible to omit the time making gypsum harden like that in the past, thus can reduce work hours.Its result can realize the raising of productivity ratio.
2. the making of rubber pattern
Next, the operation using the brod of rubber pattern of said structure to make rubber pattern is described.Fig. 2 is that the brod of the rubber pattern schematically showing use present embodiment is to make the stereogram of the situation of rubber pattern.
First, as shown in Figure 2, manufacture makes side plate 5 along the assembly jig 2 being split into the both sides of multiple parent forms 3 as sheet mould.
Then, separate the opposed mode in the interval of regulation with the outer peripheral face 3a of the opposed faces 11c and parent form 3 that make the brod 1 of rubber pattern, the brod 1 of rubber pattern is arranged in assembly jig 2.Now, the mode abutted with side plate 5 with the side of the width of the movable part 12 of the brod 1 of rubber pattern makes movable part 12 slide, after the width adjustment of the brod 1 by rubber pattern is the width corresponding with the width of parent form, carry out fasteningly fixing movable part 12 with bolt 11a.
Next, with plate by the side of assembly jig 2 (Fig. 2 above and the back side) blocking, inject aqueous black rubber from the rubber hand-hole 11b of the brod 1 of rubber pattern, in the space be arranged between the opposed faces of brod 1 of rubber pattern and the outer peripheral face of parent form 3, fill black rubber thus.
Then, the black rubber of filling is hardened, manufacture the rubber pattern possessing the rubber layer upset of the picture on surface of the outer peripheral face 3a of parent form 3, transfer printing copied thus.
In addition, as shown in Figure 3, although there is the situation producing gap because of the position of movable part 12 slip between movable part 12 and central body portion 11, by imbedding this gap with packing material 7 thus can preventing rubber from leaking aptly.As this packing material 7, preferably use the solder of hot melt.
In addition, as shown in Figure 1, when making movable part 12 slide in the direction of the width, then ladder difference can be produced between movable part 12 and central body portion 11.In this condition, when forming rubber pattern G on the opposed faces 11c of the brod 1 of rubber pattern, then as shown in Figure 4, the thickness t being formed in the rubber pattern G between movable part 12 and parent form 3 is greater than the thickness be formed between central body portion 11 and parent form 3.In this case, the elasticity of the thicker rubber pattern G be formed on movable part 12 can be affected, become the reason that when making casting mold, cun method precision reduces thus.Therefore design movable part 12 so that the ladder reduced between central body portion 11 and movable part 12 is poor, preferably the thickness t of the rubber pattern G be formed in the opposed faces of movable part 12 is adjusted to 10.0mm ~ 15.0mm in advance.
Above, describe the present invention based on embodiment, but the present invention is not limited to above-mentioned embodiment.In the scope identical and equal with the present invention, various change can be applied to above-mentioned embodiment.
Claims (4)
1. one kind makes the brod of casting mold rubber pattern, use when manufacturing described making casting mold rubber pattern, the brod of described making casting mold rubber pattern is so that and parent form separates the interval of regulation and opposed mode configures, harden by making the aqueous rubber be injected in the space between described brod and described parent form, thus with the opposed faces of described parent form on be formed with the rubber layer of the surface configuration copying described parent form turningly, the feature of the brod of described making casting mold rubber pattern is to possess:
Central body portion, it has width and the length of regulation, and is provided with the hand-hole of described aqueous rubber; With
Two movable parts, they are arranged on the both sides of described central body portion respectively, can slide in the direction of the width, thus be adjusted to the width corresponding with the width of described parent form along the described opposed faces of described central body portion,
Described central body portion and described movable part are formed by synthetic wood.
2. make a manufacture method for casting mold rubber pattern, it is characterized in that,
By the brod of making casting mold rubber pattern according to claim 1 with and described parent form separate regulation interval and opposed configure after, by injecting aqueous rubber from the hand-hole of described aqueous rubber, between described brod and described parent form, be formed with the rubber layer of the surface configuration copying described parent form turningly thus, thus produce making casting mold rubber pattern.
3. the manufacture method of making casting mold rubber pattern according to claim 2, is characterized in that,
Described rubber layer is formed to make the mode that the thickness of both sides is 10.0mm ~ 15.0mm.
4. the manufacture method of the making casting mold rubber pattern according to Claims 2 or 3, is characterized in that,
Fill solder is manufactured between described central body portion and described movable part described making casting mold rubber pattern in advance.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-220768 | 2013-10-24 | ||
| JP2013220768A JP5832505B2 (en) | 2013-10-24 | 2013-10-24 | Rubber mold core for mold production and method for producing rubber mold for mold production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104550699A true CN104550699A (en) | 2015-04-29 |
| CN104550699B CN104550699B (en) | 2018-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410232962.XA Active CN104550699B (en) | 2013-10-24 | 2014-05-29 | Make the brod of casting mold rubber pattern and make the manufacture method of casting mold rubber pattern |
Country Status (2)
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| JP (1) | JP5832505B2 (en) |
| CN (1) | CN104550699B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87103197A (en) * | 1986-04-25 | 1987-11-18 | 米什林公司(米什林企业总公司) | The rigid film tool that is used for tire moulding and sulfuration |
| CN1106746A (en) * | 1993-11-12 | 1995-08-16 | 塞德普鲁公司 | Mold of tyre and molding of tyre |
| US6143223A (en) * | 1997-12-24 | 2000-11-07 | Compagnie Generale Des Etablissements Michelin - Michelin & Cie | Process and molding element for molding a groove in a tire tread |
| JP2006051636A (en) * | 2004-08-10 | 2006-02-23 | Ngk Insulators Ltd | Manufacturing method of tire mold |
-
2013
- 2013-10-24 JP JP2013220768A patent/JP5832505B2/en active Active
-
2014
- 2014-05-29 CN CN201410232962.XA patent/CN104550699B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87103197A (en) * | 1986-04-25 | 1987-11-18 | 米什林公司(米什林企业总公司) | The rigid film tool that is used for tire moulding and sulfuration |
| CN1106746A (en) * | 1993-11-12 | 1995-08-16 | 塞德普鲁公司 | Mold of tyre and molding of tyre |
| US6143223A (en) * | 1997-12-24 | 2000-11-07 | Compagnie Generale Des Etablissements Michelin - Michelin & Cie | Process and molding element for molding a groove in a tire tread |
| JP2006051636A (en) * | 2004-08-10 | 2006-02-23 | Ngk Insulators Ltd | Manufacturing method of tire mold |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5832505B2 (en) | 2015-12-16 |
| JP2015080926A (en) | 2015-04-27 |
| CN104550699B (en) | 2018-01-12 |
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