JPS62129031U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a schematic explanatory diagram of a glass forming apparatus equipped with an embodiment of the apparatus according to the present invention, Fig. 2 is an enlarged perspective view of the main part of Fig. 1, and Fig. 3 a and b are the same as Fig. 2. FIG. 4 is a perspective view showing another embodiment of the configuration shown in FIG.
FIGS. 5 and 6 are explanatory diagrams of the prior art. 6... Magazine, 7... Optical glass material, 8... Preheating furnace, 9... Main heating furnace, 11... Molding point, 6
2... Upper drive section, 63... Lower drive section, 66, 78
...Rotless cylinder, 67...Jig cylinder, 68...Transport arm.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A cylinder that fixedly holds a transport arm for transporting optical glass materials and molded products and moves it forward and backward;
A transport arm drive device for a glass forming apparatus, comprising an upper drive section equipped with a jig cylinder that moves the cylinder forward and backward, and a lower drive section that moves the upper drive section forward and backward. (2) The glass forming apparatus according to claim 1, wherein the cylinder for fixedly holding the transfer arm and moving it forward and backward is a rodless cylinder consisting of a cylinder tube and a mover. Transfer arm drive device. (3) The jig cylinder moves the transfer arm to a position where the optical glass material on the magazine that has been preheated in the preheating furnace is transferred onto the transfer arm, and to the transfer position where the molded product after molding is transferred from the forming point. The cylinder of the upper stage drive section is set so as to be able to drive the transport arm to move the optical glass material at the transfer position to the inside of the main heating furnace. A transport arm drive device for a glass forming apparatus according to claim 1, characterized in that: (4) The lower stage drive section is composed of a rodless cylinder consisting of a cylinder tube and a moving element, and a pedestal for supporting the upper stage part is fixed to the moving element. A conveyance arm drive device for a glass forming apparatus as claimed in claim 1. (5) The rodless cylinder of the lower stage drive unit is configured to hold the transport arm, which is moved into the main heating furnace by the upper stage drive unit, so that the center of the optical glass material placed thereon coincides with the molding point position in the molding chamber. A conveying arm drive device for a glass molding apparatus according to claim 1 or 4, characterized in that the device is configured to be able to convey the glass molding device to a certain position. (6) A heater is installed around the gob plate support part of the transfer arm, and at the position where the optical glass material is transferred from the top of the magazine to the top of the transfer arm, the optical glass material is pushed up by a push-up member equipped with a heater. 4. The transport arm drive device for a glass molding apparatus according to claim 1 or 3, wherein the transport arm drive device is configured to transfer the glass material to the gob plate support portion of the transport arm. (7) The utility model registration request is characterized in that the supporting pedestals of the upper and lower drive units are fixed with rails for guiding guide members that assist the movement of the mover of the rodless cylinder. A transport arm drive device for a glass forming apparatus according to the first, second, fourth, or fifth scope.