Patent Application
20160059467
The present invention relates to a mold structure in which a molding plate and an isolation washer are removed from the first mold easily.
With reference to
However, the heating device 15 heats the molding plate 10 through the first mold 11 and the second mold 14 at the heating temperature to deform the molding plate 10, but the molding plate 10 melts into the closing rib 12 of the first mold 11, thus removing the molding plate 10 difficulty.
In addition, the molding plate 10 can be only removed after cooling.
The present invention has arisen to mitigate and/or obviate the afore-described disadvantages.
The primary object of the present invention is to provide mold structure by which after a molding plate is pressed by a first mold and the second mold and is heated by a heating device, a high-pressure gas device inputs a high-pressure gas into a close chamber via a gas supply pipe to blowing mold a close chamber, and the molding plate does not stick on the first mold by using an isolation washer but sticks on the isolation washer, hence since a melting point of the isolation washer is higher than the molding plate, the isolating washer does not stick on a cavity, such that after molding the molding plate, the molding plate and the isolation washer are removed from the first mold easily.
Another object of the present invention is to provide mold structure in which after molding the molding plate, it sticks with the isolation washer to enhance structural strength.
To obtain the above objects, a mold structure provided by the present invention contains: a first mold, an isolation washer, and a second mold.
The first mold includes a ring-shaped closing rib arranged on a top surface thereof and a cavity defined in the closing rib.
The isolation washer is formed in a ring shape and includes a melting point higher than a molding plate, wherein when the isolation washer retains with the fixing slot of the closing rib, and a top surface of the isolation washer is higher than that of the closing rib, the molding plate is held by the isolation washer.
The second mold moves relative to the first mold to press a top surface of the molding plate, the second mold includes a close chamber defined on a bottom surface thereof and corresponding to the cavity and includes a gas supply pipe communicating with the close chamber and connecting with a high-pressure gas device.
With reference to
The first mold 20 includes a ring-shaped closing rib 21 arranged on a top surface thereof, a cavity 22 defined in the closing rib 21, and a fixing slot 23 formed around a peripheral side of a top surface of the closing rib 21.
The isolation washer 30 is formed in a ring shape and includes a melting point higher than a molding plate 60. For example, when the molding plate 60 is made of aluminum, the isolation washer 30 is made of stainless steel or copper; when the molding plate 60 is made of rubber or plastic, the isolation washer 30 is made of aluminum. When the isolation washer 30 retains with the fixing slot 23 of the closing rib 21, and a top surface of the isolation washer 30 is higher than that of the closing rib 21, the molding plate 60 is held by the isolation washer 30.
The second mold 40 moves relative to the first mold 20 to press a top surface of the molding plate 60. The second mold 40 includes a close chamber 41 defined on a bottom surface thereof and corresponding to the cavity 22 and includes a gas supply pipe 42 communicating with the close chamber 41 and connecting with a high-pressure gas device (not shown), such that the high-pressure gas device inputs high-pressure gas via the gas supply pipe 42.
The heating device 50 includes a first heater 51 disposed on a bottom surface of the first mold 20 and a second heater 52 mounted on a top surface of the second mold 40, such that the first heater 51 heats the first mold 20, and the second heater 52 heats the second mold 40, the molding plate 60 retained between the first mold 20 and the second mold 40 is molded at a heating temperature of the first heater 51 and the second heater 52.
Referring to
Preferably, an anti-sticking layer (not shown) is plated on the cavity 22 of the first mold 20, such that the molding plate 60 forms patterns thereon by ways of the anti-sticking layer.
Thereby, the mold structure of the present invention has advantages as follows:
1. After the molding plate 60 is pressed by the first mold 20 and the second mold 40 and is heated by the heating device 50, the high-pressure gas device inputs the high-pressure gas into the close chamber 41 via the gas supply pipe 42 to blowing mold the close chamber 41, and the molding plate 60 does not stick on the first mold 20 by using the isolation washer 30 but sticks on the isolation washer 30. Since the melting point of the isolation washer 30 is higher than the molding plate 60, the isolating washer 30 does not stick on the cavity 20, such that after molding the molding plate 60, the molding plate 60 and the isolation washer 30 are removed from the first mold 20 easily.
2. After molding the molding plate 60, it sticks with the isolation washer 30 to enhance structural strength.
While the preferred embodiments of the invention have been set forth for the purpose of disclosure, modifications of the disclosed embodiments of the invention as well as other embodiments thereof may occur to those skilled in the art. Accordingly, the appended claims are intended to cover all embodiments which do not depart from the spirit and scope of the invention.
