CN104416878A - Rubber forming device - Google Patents
Rubber forming device Download PDFInfo
- Publication number
- CN104416878A CN104416878A CN201410433125.3A CN201410433125A CN104416878A CN 104416878 A CN104416878 A CN 104416878A CN 201410433125 A CN201410433125 A CN 201410433125A CN 104416878 A CN104416878 A CN 104416878A
- Authority
- CN
- China
- Prior art keywords
- joint
- joint component
- rubber
- opening portion
- extruder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/302—Extrusion nozzles or dies being adjustable, i.e. having adjustable exit sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2021/00—Use of unspecified rubbers as moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a rubber forming device. The rubber forming device can easily perform manufacturing and replacement of joints. The overflow of rubber does not easily occur. The rubber forming device (10) is provided with an extruder (12) used for uniformly mixing and conveying rubber materials and a joint (16) which is arranged on a die head portion (14) of the extruder (12) and used for extruding rubber conveyed out of the extruder (12) from an opening part (28) arranged on the joint (16) such that a rubber part is formed. The joint (16) is combined with a first joint part (24) and a second joint part (26) in order to form an opening part (28). A baffle plate (36) across matched surfaces (30a, 30b) of the first joint part (24) and the second joint part (26) at two side portions of the opening part (28) is arranged at the downstream side of the joint (16) in an extruding direction.
Description
Technical field
The present invention relates to a kind of rubber molding device, it possesses and to be mixed by elastomeric material and the extruder sent and the joint be arranged in extruder die portion.
Background technology
In the past, in the manufacture of green tire, use the rubber molding device be shaped by the rubber components of sheet or band shape.This rubber molding device possesses and to be mixed by elastomeric material and the extruder sent and the joint be arranged in extruder die portion, the rubber sent by extruder is extruded from the opening portion be arranged on joint, the microscler rubber components of the cross sectional shape making formation corresponding with the opening portion of joint is shaped, the rubber components of shaping is wrapped in assembly drum designed grade, manufactures green tire.
In such rubber molding device, in order to change the cross sectional shape of the rubber components formed or carry out qualitative control, sometimes change from the die section dismounting joint of extruder.Now, in order to make replacing operation easy, the split type joint the first joint component and the second joint component being combined to form opening portion is sometimes adopted.
But, in split type joint, due to the first joint component and the mating surface of the second joint component be configured to elastomeric material to extrude direction parallel, therefore there are the following problems, be subject to the extrusion pressure of rubber, first joint component and the second joint component expand earth deformation to extruding downstream, direction, and in the both sides of opening portion, rubber easily overflows from the mating surface of the first joint component and the second joint component.
If the size that the rubber overflowed acquires a certain degree, the downward one stroke in rubber components upper reaches extruded from the opening portion of joint can be attached to, there is exceptions such as causing block in next stroke, or enter in final products as foreign matter, the problem of infringement tire characteristics or exterior quality.
To this, by adopting the Integral joint of the opening portion arranging this plate through on one sheet in the die section of extruder, the spilling of rubber as above can be prevented, but compared with split type joint, there is replacing operation and become numerous and diverse, or become the shape being difficult to adjust opening portion, the problem that the replacing activity duration is elongated.
Therefore, in following patent document 1, propose in split type joint, what make the first joint component rubber relative to the mating surface of the second joint component extrudes direction, but such joint is when manufacturing joint, except opening portion, also must process mating surface, the manufacture that there is joint becomes numerous and diverse problem.
Prior art document
Patent document
Patent document 1: Japanese Patent Publication 2011-25408 publication
Summary of the invention
(1) technical problem that will solve
The present invention puts in view of the above problems and completes, and its object is to provide a kind of rubber molding device, and this rubber molding device easily can carry out the manufacture of joint and change operation, and the spilling of rubber not easily occurs.
(2) technical scheme
Rubber molding device of the present invention possesses and to be mixed by elastomeric material and the extruder sent and the joint be arranged in the die section of described extruder, the rubber sent from described extruder is extruded from the opening portion be arranged on described joint, rubber components is shaped, described splice combinations first joint component and the second joint component form described opening portion, in the both sides of described opening portion, what the baffle plate crossing over the mating surface of described first joint component and described second joint component was arranged on described joint extrudes downstream, direction.
As preferred embodiment of the present invention, described second joint component is configured to relatively described die section and dismantles, cave in the direction be formed to leaving with the mating surface of described first joint component, the recess of opening portion described in zoning, described baffle plate can be arranged on described second joint component, in this case, the mating surface of described first joint component and described second joint component forms flat shape, opening portion described in zoning between the mating surface and the described recess being arranged on described second joint component of described first joint component.In addition, alternatively, described baffle plate also can be configured to move on the width of described opening portion.
(3) beneficial effect
According to the present invention, cross over the baffle plate of the mating surface of the first joint component and the second joint component in the both sides of the opening portion of joint, the rubber overflowed from mating surface can be blocked, the spilling of rubber can be prevented.And, because the downstream, direction of extruding at joint arranges baffle plate, therefore while easily can manufacturing joint, also can easily be applicable to existing joint.
Accompanying drawing explanation
Fig. 1 is the sectional view of the rubber molding device schematically showing the first embodiment.
Fig. 2 is the stereogram of joint.
Detailed description of the invention
First embodiment
With reference to the accompanying drawings, the first embodiment of the present invention is described.
The joint 16 that the rubber molding device 10 of the present embodiment shown in Fig. 1 possesses extruder 12, is arranged on the die section 14 in extruder 12 downstream and is arranged in die section 14.
Extruder 12 possesses the screw rod 20 of the rubber dropped into from hopper 18 for mixing and is used for the screw drive portion 22 of this screw rod 20 of rotary actuation.The rubber mixed by screw rod 20 is admitted to the die section 14 being arranged on extruder 12 downstream.
Die section 14 is provided with in inside extrudes the thinner stream 23 in its front end, downstream, direction more toward rubber, the rubber extruded is guided to the joint 16 being arranged on front from extruder 12.
Joint 16 is the split type joints possessing the first joint component 24 and the second joint component 26.First joint component 24 and the second joint component 26 are the thick plate-shaped member of thickness, side is combined up and down, is arranged in die section 14, in this embodiment, respectively the first joint component 24 is set in the downside of die section 14 front, the second joint component 26 is set in upside.
First joint component 24 is fixed in die section 14, and the mating surface 30a of itself and the second joint component 26 forms flat shape.
Second joint component 26 can be releasably arranged in die section 14 by bolt etc., mating surface 30b between the first joint component 24 is formed with the recess 32 caved in upward, under the state the first joint component 24 and the second joint component 26 combined, formed the opening portion 28 of the cross sectional shape with regulation by mating surface 30a and the recess 32 be arranged on the mating surface 30b of the second joint component 26 of the first joint component 24.
The opening portion 28 formed between the first joint component 24 and the second joint component 26 specifies the cross sectional shape of the rubber components of shaped object, in the present embodiment, if observe from die section 14 front, is formed as lower edge lengths and is greater than the trapezoidal of top.
On such joint 16, be provided with the baffle plate 36 of the rectangular flat shape of mating surface 30a, 30b of leap first joint component 24 and the second joint component 26.
Baffle plate 36 is separately positioned on the both sides (parallel with mating surface 30a, 30b of the second joint component 26 with the first joint component 24, and with the both ends of extruding vertical direction, direction of rubber) being formed in the first joint component 24 and the opening portion 28 between mating surface 30a, 30b of the second joint component 26.Described baffle plate 36 relative first tab parts 24 are not fixed, and are fixed on the second joint component 26 by welding etc.
In the rubber molding device 10 of present embodiment as above, due to the both sides of the opening portion 28 of the joint 16 at extruded rubber parts, what the baffle plate 36 crossing over mating surface 30a, 30b of the first joint component 24 and the second joint component 26 was arranged on joint 16 extrudes downstream, direction, therefore, it is possible to prevent rubber from overflowing from the boundary member between mating surface 30a, 30b and opening portion 28.
And, what be arranged on joint 16 due to baffle plate 36 extrudes downstream, direction, therefore, while can easily manufacturing joint 16, by installing baffle plate 36 to existing joint 16, can prevent rubber from overflowing from the boundary member between mating surface 30a, 30b and opening portion 28.
In addition, when having made new joint 16, take the rubber components extruded from the opening portion 28 of joint 16 sometimes, observe the shape of the rubber components taked, the shape of trickle adjustment opening portion 28, but in present embodiment, because joint 16 is for possessing the split type of the first joint component 24 and the second joint component 26, therefore, compared with the Integral joint of opening portion is set on one sheet, easily carry out the trickle adjustment of opening portion 28 shape, adjustment can be terminated in the short time.
And then, in the present embodiment, dismantle because the second joint component 26 being provided with baffle plate 36 is configured to relative die section 14, possesses the recess 32 of zoning opening portion 28 simultaneously, baffle plate 36 is not fixed on the first joint component 24, therefore the rubber components that the second joint component 26 just can form different cross section shape is only changed, can the replacing construction of shortening joint 16.
In addition, about size and the material of baffle plate 36, as long as have size and the intensity of the degree can blocking the rubber overflowed from mating surface 30a, 30b when rubber components is shaped, be not particularly limited, but preferably possess the equal above intensity with joint 16, and possess the coefficient of thermal expansion with joint 16 same degree.If enumerate an example, the thickness of baffle plate 36 (size in rubber extruding direction) can be made to be more than 1/4 of the thickness of the first joint component 24 and the second joint component 26, with on the direction that overlaps (above-below direction) of mating surface 30a, 30b, more than 5mm is respectively with lap B1, B2 of the first joint component 24 and the second joint component 26, preferably, by the material identical with the first joint component 24 and the second joint component 26 that form joint 16, the steel such as such as SS400 form baffle plate 36.
In addition, in the present embodiment, be illustrated in the situation being configured to the second joint component 26 that relative die section 14 dismantles is arranged baffle plate 36, but also can be arranged on the first joint component 24.
Second embodiment
In the first above-mentioned embodiment, to by welding, the situation that baffle plate 36 is fixed on joint 16 is illustrated, but, such as, also can by the opposing tabs such as bolt 16 fixed dam 36, in this case, can by the hole of inserting the bolt be arranged on baffle plate 36 being set to the elongated hole-shape extended along opening portion 28 width, the position that baffle plate 36 is fixed on joint 16 is moved on the width of opening portion 28.
In such embodiment, implement the processing such as cutting and grinding without butt joint 16, just can carry out fine adjustments to the width dimensions of the rubber components that the opening portion 28 from joint 16 is extruded easily.About the second embodiment, other structures and action effect identical with the first embodiment, omit the description.
Description of reference numerals
10-rubber extruding device
12-extruder
14-die section
16-joint
24-the first joint component
26-the second joint component
28-opening portion
30a-mating surface
30b-mating surface
32-recess
36-baffle plate
Claims (4)
1. a rubber molding device, it possesses and to be mixed by elastomeric material and the extruder sent and the joint be arranged in the die section of described extruder, is extruded by the rubber sent, rubber components is shaped from described extruder from the opening portion be arranged on described joint, it is characterized in that
Described splice combinations first joint component and the second joint component form described opening portion, and in the both sides of described opening portion, what the baffle plate crossing over the mating surface of described first joint component and described second joint component was arranged on described joint extrudes downstream, direction.
2. rubber molding device according to claim 1, is characterized in that, described second joint component is configured to relatively described die section and dismantles, with the mating surface of described first joint component on be formed with the recess of opening portion described in zoning;
Described baffle plate is arranged on described second joint component.
3. rubber molding device according to claim 2, it is characterized in that, the mating surface of described first joint component and described second joint component forms flat shape, opening portion described in zoning between the mating surface and the described recess being arranged on described second joint component of described first joint component.
4. rubber molding device as claimed in any of claims 1 to 3, is characterized in that, described baffle plate is configured to move on the width of described opening portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-181476 | 2013-09-02 | ||
| JP2013181476A JP6147613B2 (en) | 2013-09-02 | 2013-09-02 | Rubber molding equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104416878A true CN104416878A (en) | 2015-03-18 |
Family
ID=52698217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410433125.3A Pending CN104416878A (en) | 2013-09-02 | 2014-08-28 | Rubber forming device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6147613B2 (en) |
| CN (1) | CN104416878A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108115914A (en) * | 2016-11-30 | 2018-06-05 | 东洋橡胶工业株式会社 | The mouth mold and extruder of extruder |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106426861B (en) * | 2016-12-08 | 2018-11-23 | 北京工商大学 | It is a kind of can automatic Regulation multipurpose extruder die head |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011025408A (en) * | 2009-07-21 | 2011-02-10 | Sumitomo Rubber Ind Ltd | Die plate for rubber extruder |
| CN201816202U (en) * | 2010-10-09 | 2011-05-04 | 陈建华 | Extruding die and edge alignment device thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8810470U1 (en) * | 1988-08-18 | 1988-11-03 | A-Z Formen- und Maschinenbau GmbH, 8000 München | Tread spray head |
| JPH03284926A (en) * | 1990-03-30 | 1991-12-16 | Sekisui Chem Co Ltd | Extrusion of thermoplastic resin film or sheet |
| US5830391A (en) * | 1996-07-17 | 1998-11-03 | E. I. Du Pont De Nemours And Company | Adjustable, leak-free sealing device for polymer dies |
| CA2330159A1 (en) * | 1998-05-28 | 1999-12-02 | E.I. Du Pont De Nemours And Company | Adjustable, leak-free sealing device for polymer dies |
| JP2004243732A (en) * | 2003-02-17 | 2004-09-02 | Toyo Tire & Rubber Co Ltd | Method for molding rubber layer by variable die head and variable die head |
| JP4212923B2 (en) * | 2003-02-27 | 2009-01-21 | 横浜ゴム株式会社 | Tire tread rubber molding equipment |
| WO2008117823A1 (en) * | 2007-03-27 | 2008-10-02 | Bridgestone Corporation | Unvulcanized rubber extruder and process for producing unvulcanized rubber |
| JP5651504B2 (en) * | 2011-03-08 | 2015-01-14 | 東洋ゴム工業株式会社 | Sheet rubber molding apparatus and method |
-
2013
- 2013-09-02 JP JP2013181476A patent/JP6147613B2/en active Active
-
2014
- 2014-08-28 CN CN201410433125.3A patent/CN104416878A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011025408A (en) * | 2009-07-21 | 2011-02-10 | Sumitomo Rubber Ind Ltd | Die plate for rubber extruder |
| CN201816202U (en) * | 2010-10-09 | 2011-05-04 | 陈建华 | Extruding die and edge alignment device thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108115914A (en) * | 2016-11-30 | 2018-06-05 | 东洋橡胶工业株式会社 | The mouth mold and extruder of extruder |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6147613B2 (en) | 2017-06-14 |
| JP2015047791A (en) | 2015-03-16 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150318 |
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| WD01 | Invention patent application deemed withdrawn after publication |