JPH03100048U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の第１実施例を示す排塵筒の閉
塞状態を示す要部断面図、第２図はその開口状態
を示す要部断面図、第３図は第２図の−断面
図、第４図は本考案の第２実施例を示す第３図相
当の要部側面図、第５図は本考案の第３実施例を
示す第１図相当の要部側面図、第６図は工作機の
要部を示す一部断面正面図、第７図はその−
断面図、第８図はその排塵筒の閉塞状態を示す要
部断面図である。 １……Ｚ軸シレー、２……Ｘ軸レール、３……
Ｘ軸シレー、４……ネジ軸、５……メネジ、６…
…ヘツドベース、７……ツールチエンジシリンダ
、８……ヘツド、９……カツタ、１０……ブラシ
、１１……排塵筒、１２……ダクトブラケツト、
１３……集塵ダクト、１４……集塵管、１５……
スライドシヤツタ、１６……スライド片、２２…
…開閉装置、２３……回転軸、２４……スロツト
ルバルブ、Ａ……駆動機構、２５……アーム、２
５ａ……先端部、２６……コイルスプリング、２
７……規制体、２９……ロータリーアクチユエー
タ、３０……アーム、３１……エアシリンダ。 Fig. 1 is a sectional view of the main part showing the closed state of the dust exhaust pipe showing the first embodiment of the present invention, Fig. 2 is a sectional view of the main part showing the open state, and Fig. 3 is the - cross section of Fig. 2. Fig. 4 is a side view of the main part corresponding to Fig. 3 showing the second embodiment of the present invention, Fig. 5 is a side view of the main part corresponding to Fig. 1 showing the third embodiment of the invention, Fig. 6 The figure is a partial cross-sectional front view showing the main parts of the machine tool, and Figure 7 is the -
FIG. 8 is a cross-sectional view of a main part showing a closed state of the dust exhaust pipe. 1...Z-axis relay, 2...X-axis rail, 3...
X-axis relay, 4...screw shaft, 5...female thread, 6...
...Head base, 7...Tool change cylinder, 8...Head, 9...Cut, 10...Brush, 11...Dust exhaust tube, 12...Duct bracket,
13...dust collection duct, 14...dust collection pipe, 15...
Slide shutter, 16... Slide piece, 22...
...Opening/closing device, 23... Rotating shaft, 24... Throttle valve, A... Drive mechanism, 25... Arm, 2
5a...Tip, 26...Coil spring, 2
7... Regulator, 29... Rotary actuator, 30... Arm, 31... Air cylinder.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 上下動可能のヘツドの上部に、ヘツド内を上下
方向に貫通形成した塵埃通路と連通する排塵筒を
起立固定し、排塵筒の上部を吸塵機に接続された
集塵ダクトに摺動可能に接続し、ヘツドの下降時
および上昇時に排塵筒を開口および閉塞する開閉
装置を設けてなる工作機用切り屑排出路の開閉装
置において、開閉装置は、排塵筒内に円板状のス
ロツトルバルブを排塵筒の軸心と直交する軸心を
中心として回転自在に設け、スロツトルバルブの
回転軸の一端を排塵筒から側方に突出させ、回転
軸の突出端部に排塵筒の下降時および上昇時にス
ロツトルバルブを開作動および閉作動させる駆動
機構を設けてなることを特徴とする工作機用切り
屑排出路の開閉装置。 A dust exhaust tube that communicates with a dust passage formed vertically through the head is fixed upright on the top of the vertically movable head, and the top of the dust exhaust tube can be slid into a dust collection duct connected to a dust suction device. The opening/closing device for a chip discharge path for a machine tool is equipped with an opening/closing device that opens and closes the dust exhaust pipe when the head descends and rises. A throttle valve is provided to be rotatable about an axis perpendicular to the axis of the dust exhaust pipe, and one end of the rotating shaft of the throttle valve is made to protrude sideways from the dust exhaust pipe, and the end of the rotating shaft is made to project sideways from the dust exhaust pipe. An opening/closing device for a chip discharge path for a machine tool, comprising a drive mechanism that opens and closes a throttle valve when a dust tube is lowered and raised.