CN100522544C - Pressure-inverse molding manufacture mould - Google Patents
Pressure-inverse molding manufacture mould Download PDFInfo
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- CN100522544C CN100522544C CNB2006100214326A CN200610021432A CN100522544C CN 100522544 C CN100522544 C CN 100522544C CN B2006100214326 A CNB2006100214326 A CN B2006100214326A CN 200610021432 A CN200610021432 A CN 200610021432A CN 100522544 C CN100522544 C CN 100522544C
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Abstract
The invention discloses an inversed-pressurizing moulding mold, which consists of assembly with flow non-metal part and aerating core mold, wherein the assembly is composed of upper mould seat and lower mould seat, which forms the sealing mould cavity, the size of aerating core mould is the same with aerating core mould basically with core rod plugging in the pressure equipment hole in the mould cavity, which is sealed in the closed mould cavity, the radial vent pressurizes the inner wall of bulking core mould along inversed direction.
Description
Technical field
The present invention relates to a kind of under certain pressure (generally also heating) simultaneously, by mould or mouthful mold forming processing rubber, plastic product forming mfg. moulding die.
Background technology
Make the molding manufacture mould tool of rubber pattern goods in the known technology, mainly form by the punch of steel or die and overflow circle and the die cavity that can adorn the rubber module.The sulfuration of its rubber adopts matched molds to be combined to form die cavity, utilizes the flow fluid press vertical compression moulding of sizing material in mold cavity.The forward unit pressure that punch, die produce acts directly on the workpiece.Earlier core is placed in the die cavity of movable matrix before the moulding, the starting pressure machine strengthens the volume under pressure of punch then, makes punch descending, thereby to core pressurization shaping workpiece.Take out workpiece and core after unclamping movable matrix after the moulding.This hot vertical compression mould can only the easy demoulding of moulding rubber or plastic products.For the rubber workpiece goods of outsourcing fabric or shape abnormal shape, after finishing with such rubber matched molds sulfidization molding such as bellows rubber pattern goods, can't take out and be mounted in it the core of making liner.Even if can adopt the hot vertical compression mould of above-mentioned prior art, the bellows rubber pattern goods of the outsourcing fabric that goes out by various additional means glue moldings, it is low to overcome goods applying tightness, the defective that bubble is many.Could realize but also need to make the exigent splicing formpiston of workmanship.This employing ordinary-temp sulfurizing process, high temperature vulcanized manufactured must be located with core rod, and particularly small size or the inner surface quality prior art that do not allow the rubber pattern goods of lapping defect is made mould and is difficult to moulding or even can't makes.At present, finish the mould pressing technology of this rubber pattern goods and the technology of pressure-inverse molding both at home and abroad and yet there are no relevant bibliographical information.
Summary of the invention
The objective of the invention is can't moulding outsourcing fabric or the deficiency of special-shaped rubber and must use the drawback of matched molds moulding at the hot vertical compression rubber mold of prior art technology, can not extract the problem of plug from special-shaped moulded parts out, a kind of special equipment that do not need is provided, need not formpiston, pressure-inverse molding manufacture mould that can convenient extraction plug core.
The technical solution adopted for the present invention to solve the technical problems is: a kind of pressure-inverse molding manufacture mould, comprise, give the assembly and the inflation core of the nonmetal shape used unit that flows in the moulding, it is characterized in that: described assembly is by forming closed mould cavity, can totally enclosed upper bolster and die shoe form; Described inflation core is and the essentially identical inflation bulging of described closed mould cavity size core moulded parts, be fitted with the plug that can connect air pressure or hydraulic test pressurising mouth in the die cavity of this bulging core moulded parts, plug is sealed in the described closed mould cavity, oppositely pressurizes to bulging core moulded parts inwall by the rod radial air vent that is shaped on it.
The present invention has following beneficial effect than existing malleation rubber mold technology.
The present invention utilizes traditional rubber mold equipment and traditional rubber mold shaping female mold structure, die cavity space by totally-enclosed and die for molding rubber fit in the set of molds formed by upper and lower die holder, and be contained in the semi-finished product bulging core moulded parts in the die cavity space and be inserted in the interior plug of its die cavity, be beneficial to the special-shaped workpiece that the pressure-inverse technology is finished, fit closely, smoothly do not have bubble.Be pressurized to formed product from inflation, once finish, do not need special equipment and formpiston, also need not additional aid, whole process is accomplished without any letup.Fundamentally having solved special-shaped moulded parts plug can not be from the problem of its extraction, particularly the manufacturing of outsourcing fabric or special-shaped rubber (goods inwall and mould can form closed die cavity) must be used the drawback of matched molds moulding, avoid moulding outsourcing fabric or special-shaped rubber (goods inwall and mould can form closed die cavity) to need splicing formpiston and formpiston splicing to stay rubber product surface splicing trace, caused product surface to have the problem of its corresponding vestige.The body of inflating and pressure can select arbitrarily, unrestricted.After the formed product, it is convenient and swift to loose core.
Description of drawings
In order to further specify rather than limit above-mentioned implementation of the present invention, the present invention is further described below in conjunction with drawings and Examples, but therefore do not limit the present invention among the described practical range.All these designs should be considered as the disclosed content of present technique and protection scope of the present invention.
Fig. 1 is the vertical section structural map of the embodiment of the invention.
Fig. 2 is the left view of Fig. 1.
The specific embodiment
Fig. 1, Fig. 2 have described an a kind of embodiment by pressure-inverse molding mould molding processing rubber goods outsourcing fabric of the present invention or special-shaped rubber.Wherein giving the assembly of the nonmetal shape used unit that flows in the moulding is made up of the upper bolster 8 and the die shoe 1 of activity respectively.Upper bolster 8 and die shoe 1 inboard are shaped on according to molded item article shape size or the special-shaped shape closed mould cavity 13 of product.Inflation core product wherein and closed mould cavity are the special-shaped shape closed spaces of same shape size.It is the bellows-shaped shown in Fig. 1 that described special-shaped shape closed mould cavity is not limited to, so long as exceed goods molded item ontology rule geometry, can not extract out after the moulding and be contained in product wherein to make the shape of the core plug of model liner be exactly the alleged special-shaped shape of the present invention.The special-shaped shape closed mould cavity of present embodiment is a bellows-like structure.The inflation core that is contained among the figure in the closed mould cavity 13 is one and the essentially identical semi-finished rubber bellows product of closed mould cavity shape size, and cooperation is contained in the closed mould cavity 13 of upper and lower mould die cavity as inflation bulging core moulded parts for it.The plug 3 that has end cover 2 normally is inserted in the die cavity of bulging core moulded parts.The rod radial air vent 12 that is shaped on axial admission passage 4 on the plug 3 and pressurizes to bulging core bellows product 14 inwalls.The distribution of steam vent can be according to bulging core moulded parts shape size along its axial a plurality of settings or multidirectional setting.Plug 3 is sealed in the closed mould cavity 13, by end cap 2 and end cover 11 compression fit in the both sides of upper and lower mould, by locking nut 6 lockings.The end face inboard of end cap is shaped on closure gasket groove, and O-ring seal 7 or sealing gasket are housed.For ease of technology assembling, the other end of plug 3 is connected with the sealing nut 9 of band step axle, and it passes the seal gasket 10 that is contained on the end cover 11 plug 3 that is spirally connected.The suction nozzle pressurising mouth 5 of plug 3 connects air pressure or hydraulic test during use.
Semi-finished product are put into mould, sealing, fill the gaseous species of required pressure to product inside, utilize poor (can be aided with and vacuumize) of internal gas moulding pressure and ambient pressure, steam vent 15 on the mould (design as required) is discharged the gas between semi-finished product and the mould, utilize the elasticity of rubber and the ductility of fabric to make semi-finished product reach the purpose of the mould of fitting fully, sulfuration is finalized the design under the effect of uniform temperature and time.Do not need specialized apparatus.
Claims (5)
1. a pressure-inverse molding manufacture mould comprises, gives the assembly and the inflation core of the nonmetal shape used unit that flows in the moulding, it is characterized in that: described assembly is by forming closed mould cavity, can totally enclosed upper bolster and die shoe composition; Described inflation core is and the essentially identical inflation bulging of described closed mould cavity size core moulded parts, be fitted with the plug that can connect air pressure or hydraulic test pressurising mouth in the die cavity of this bulging core moulded parts, plug is sealed in the described closed mould cavity, oppositely pressurizes to bulging core moulded parts inwall by the rod radial air vent that is shaped on it.
2. according to claims 1 described pressure-inverse molding manufacture mould, it is characterized in that: described inflation core is one and the essentially identical nonmetal semi-finished product moulded parts of closed mould cavity shape size.
3. according to claims 1 described pressure-inverse molding manufacture mould, it is characterized in that: the inflation bulging core moulded parts cooperation of making the inflation core is contained in the closed mould cavity of upper and lower mould die cavity.
4. according to claims 1 described pressure-inverse molding manufacture mould, it is characterized in that: the rod radial air vent that described plug is shaped on the axial admission passage and pressurizes to bulging core moulded parts inwall.
5. according to claims 1 described pressure-inverse molding manufacture mould, it is characterized in that: described inflation core product and closed mould cavity are the special-shaped shape closed spaces of same shape size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100214326A CN100522544C (en) | 2006-07-19 | 2006-07-19 | Pressure-inverse molding manufacture mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100214326A CN100522544C (en) | 2006-07-19 | 2006-07-19 | Pressure-inverse molding manufacture mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1919575A CN1919575A (en) | 2007-02-28 |
| CN100522544C true CN100522544C (en) | 2009-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100214326A Active CN100522544C (en) | 2006-07-19 | 2006-07-19 | Pressure-inverse molding manufacture mould |
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| CN (1) | CN100522544C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009451B (en) * | 2010-11-22 | 2014-01-29 | 宁波锦浪新能源科技有限公司 | Vacuum closing hollow wind power generation blade forming die and forming process thereof |
| CN103507279B (en) * | 2012-06-15 | 2017-06-20 | 辽宁辽杰科技有限公司 | A kind of ripple hollow sheeting and preparation method thereof |
| CN113696534A (en) * | 2021-08-18 | 2021-11-26 | 湖北航天化学技术研究所 | Medicament pressing process |
| CN113829642B (en) * | 2021-09-17 | 2023-06-27 | 西北橡胶塑料研究设计院有限公司 | Hollow surface fabric sealing piece and forming die and method thereof |
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2006
- 2006-07-19 CN CNB2006100214326A patent/CN100522544C/en active Active
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| Publication number | Publication date |
|---|---|
| CN1919575A (en) | 2007-02-28 |
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