JPH01177045U - - Google Patents

Description

[Brief explanation of the drawing]

The drawing is a longitudinal sectional view showing an embodiment of the present invention. 5: Table, 6: Vent hole, 7: Model plate, 11: Cast flask, 15: Cover, 17: Squeeze plate, 18: Air supply pipe, 22: Pressure tank, 22
b: bottom wall, 23: exhaust hole, 25: valve, 27: lifting rod, 28: connecting member, 29: pneumatic cylinder, 34
: Hydraulic cylinder, 35: 3 position 4 way closed type switching valve.

Claims (1)

[Scope of utility model registration request] Attach the model plate 7 with vent holes 6 to the top surface,
A flask 11 is provided so as to be removable and enterable at a position directly above the table 5 which is movable up and down, and a space is formed in the upper end opening of the flask 11 at a position directly above the table 5 above the flask 11. A cover 15 and a sand container hopper, which are provided and can be closed, are disposed so as to be movable in and out and up and down, a squeeze mechanism 17 is provided in the cover 15 so as to be movable up and down, and an air supply pipe 18 communicating with the internal space of the cover 15 is provided. 18 is erected, and a pressure tank 22 that is connected to the compressor is fixedly installed at a position directly above the table 5 above the cover 15, and the bottom wall 2 of the pressure tank 22 is
2b are formed with exhaust holes 23, 23 that communicate with the air supply pipes 18, 18 when the cover 15 enters the position directly above the table 5 and is raised, and the exhaust holes 23, 23 are formed in the pressure tank 22. 23, 23
Lifting mechanisms 27, 28,
29, and a rising height adjustment mechanism 34, 34a for adjusting the rising height of the valves 25, 25 is provided at the upper part of the pressure tank 22, corresponding to the lifting mechanism 27, 28, 29 of the valves 25, 25. A mold making device characterized in that it is installed by