JPH01127626U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a schematic diagram of the deck plate caulking device according to the present invention, Fig. 2 is a sectional view thereof, Fig. 3 is a perspective view of a part of the processed deck plate, and Figs. 4 and 5 are the present device. FIG. 6 is a schematic diagram of a conventional caulking device, and FIGS. 7 and 8 are cross-sectional explanatory diagrams of a caulking portion formed by the conventional caulking device. 1 is a cutting roll, 2 is a receiving roll, 3 is an inner roll of the receiving roll 2, 4, 4', 5, 5' are cutters, 6 is a deck plate, 6a is a vertical part, 7, 8
9 is the folding roll, 9 is the inner roll of the folding roll, 10 is the folding roll.
is a bending bar, 11 and 16 are caulking pieces, 12 and 13
The caulked parts 14 and 15 are initial cut pieces.

Claims (1)

[Scope of utility model registration request] In the device capable of caulking the vertical part of a deck plate, which comprises a cutting roll and a receiving roll capable of making a cut in the vertical part, and a pair of folding rolls capable of bending the cut piece, the above-mentioned A cutting roll, a receiving roll, and a pair of bending rolls are arranged to face each other with a gap approximately equal to the thickness of the vertical portion to be processed, and two sets of cutting cutters, totaling four pieces, are bored on the outer peripheral surface of the cutting roll. A ring groove approximately equal to the height of the notch cutter is formed on the outer circumferential surface of the receiving roll to form an inner roll, and a ring groove approximately equal in height to the vertical portion is formed on the outer circumferential surface of one of the folding rolls. A deck plate caulking device characterized by forming equal ring grooves.