JPS60127811U - Rotary blade for cutting - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is an overall perspective view. Fig. 2 is a central vertical sectional view, Fig. 3 is a partially cutaway front view of one rotary cutter, Fig. 4 is a partially cutaway front view in the direction of arrow A in Fig. 2, and Fig. 5 is a cutter holder. An enlarged cross-sectional view of the main parts of
Figure 6 is a side view of the blade holder with the cutting blade removed;
The figure is a side view of the main parts with the cutting blades arranged in a staggered manner, Figure 8 is an explanatory view of the same, Figure 9 is a front view of the square cutting blade, and Figure 10 is the second
FIG. 11 is a perspective view of a conventional rotary cutter, FIG. 12 is a perspective view of a rectangular cutting blade, FIG. 13 is a plan view of the same, and FIG. 14 shows square cutting blades touching each other. FIG.
FIG. 6 is a plan view of the same in a state where they are spaced apart from each other. 1 is a square cutting blade, 5 is a blade holder, 8 is a mounting groove, 1
1 is a boss 1. 17 is a shaft hole, 18 is a keyway, and 20 is a rotating blade. 1 → 13, 10 11 / Dog ζ′17 ” - Figure 9 of 11 - Amendment to Figure 7 June 18, 1982 The scope of the utility model registration claims and the brief description of the drawings are amended as follows. O Utility Model Registration Claims A plurality of cutting blade mounting grooves are formed radially on the outer peripheral surface with a rake angle of a required angle, and at least one side surface of the mounting groove has a slight boss, and The blade holder consists of a plurality of disc-shaped blade holders with drive shaft mounting holes in the holder, and square cutting blades that have blade parts on the outer peripheral surface and can be individually attached to and removed from the mounting grooves of the holter. - When the above-mentioned bosses are pressed against each other, the drive shaft is placed in the appropriate position in the above-mentioned drive shaft mounting hole for fixing the cutter holder so that the cutting blades fixed to adjacent cutter holders are arranged in a staggered manner. Rotary blade for cutting with a locking part. Brief explanation of the drawings Figures 1 to 10 show two embodiments of the present invention.
The figure is a perspective view of the two rotary blades superimposed in use, Figure 2 is a front view of the same cut on the axis, and Figure 3 is a partial view of the rotary blade located on the left side of Figure 2. Figure 4 is a partially cut-away left side view as seen from the direction of arrow A in Figure 2, and Figure 5 is a partially cut-away left side view of the cutting blade mounting portion of the blade holder. Enlarged left side view, Figure 6 is the second
A front view of the blade holder located on the left side of the figure, Figure 7 is the first
A front view showing a staggered arrangement of cutting blades of the rotary blade shown in the figure, Fig. 8 is an explanatory view showing an overlapping state of left and right cutting blades from the left and right direction, Fig. 9 is a front view of a square cutting blade, 1st
Fig. 0 is a left side view showing the second embodiment, Fig. 11 is a perspective view of a conventional rotary blade, Fig. 12 is a perspective view of a conventional rectangular cutting blade, Fig. 13 is a plan view, and Fig. 14 is a perspective view of a conventional rectangular cutting blade. A perspective view showing two square cutting blades aligned in series, Figure 15 is a plan view, and Figure 16 is a diagram showing two square cutting blades aligned in series with a gap between them. FIG. 1... Square cutting blade, 3... Blade section, 5
, 5'...Blade holder, 8...Cutting blade mounting groove, 16, 16'...Boss, 17...
... Drive shaft mounting groove, 18, 18a ... Key groove, 20 ... Rotating knife.

Claims (1)

[Scope of utility model registration request] ゛ A plurality of cutting blade mounting grooves are formed radially on the outer peripheral surface with a rake angle of a required angle, and the above-mentioned mounting grooves'
consisting of a plurality of disc-shaped blade holders having slight bosses on at least one side surface thereof, and square cutting blades having lands on four outer circumferential surfaces and that can be individually attached to and detached from the mounting grooves of the holder, At the axial center of the above holder,
A rotary cutter for cutting that has a shaft hole with a small number of key grooves (one key groove at a time) so that when the same holders are stacked, the cutting blades fixed to adjacent holders can be arranged in a staggered manner.