JPH0375947U

JPH0375947U -

Info

Publication number: JPH0375947U
Application number: JP13493989U
Authority: JP
Priority date: 1989-11-22
Filing date: 1989-11-22
Publication date: 1991-07-30
Anticipated expiration: 2004-11-22
Also published as: JPH0751225Y2

Description

[Brief explanation of drawings]

第１図は本考案の一実施例のアーバおよび枠体
の構造を示す軸断面図、第２図は第１図の矢視
の平面図、第３図は実施例のエアシリンダまわり
の構造を示す正面図、第４図は第３図の矢視の
平面図、第５図は実施例のコンパクトシリンダと
把持アームとの連結状態を示す軸断面図、第６図
は実施例のアーバとコンパクトシリンダとの連結
状態を示す軸断面図である。１……アーバ、２……主軸、３……テーパシヤ
ンク、４……把持部、５，９，２３……係止部、
６，２４……シート座面、７……枠体、８……器
具等、１０……コンパクトシリンダ、１１，２５
……シリンダ、１２……ピストン、１３，２６…
…ピストンロツド、１４……係止頭、１５，１６
……室、１７……ビス、１８，１９……プラグ、
２０，２１……面取り部、２２……把持ロツド、
２７……連結具、２８……固定側。 Fig. 1 is an axial sectional view showing the structure of the arbor and frame body of an embodiment of the present invention, Fig. 2 is a plan view taken in the direction of the arrow in Fig. 1, and Fig. 3 shows the structure around the air cylinder of the embodiment. 4 is a plan view taken in the direction of the arrow in FIG. 3, FIG. 5 is an axial cross-sectional view showing the connection state between the compact cylinder of the embodiment and the gripping arm, and FIG. 6 is the arbor and compact of the embodiment. FIG. 3 is an axial sectional view showing a state of connection with a cylinder. 1... Arbor, 2... Main shaft, 3... Taper shank, 4... Gripping part, 5, 9, 23... Locking part,
6, 24... Seat bearing surface, 7... Frame, 8... Equipment, etc., 10... Compact cylinder, 11, 25
...Cylinder, 12...Piston, 13, 26...
... Piston rod, 14 ... Locking head, 15, 16
... Chamber, 17... Screw, 18, 19... Plug,
20, 21... Chamfered portion, 22... Gripping rod,
27... Connector, 28... Fixed side.

Claims

[Scope of utility model registration request]

The main spindle of a machine tool with an automatic tool changer is
In a high-speed attachment/detachment structure for tools, etc. to the spindle, in which instruments, devices, and other objects placed at a position away from the spindle are attached to or removed from the spindle at high speed, the tool is stored in an existing magazine and has the same shape as the tool. An arbor having a tapered shank and having a stepped locking part and a seat seating surface formed on the distal end thereof, and holding the instruments, devices, and other objects firmly therein, and inserting the apparatus into the locking part of the arbor. a frame body having a locking portion with an opening on one side to be engaged; and a chamfer on the end of a piston rod fixed within the frame body and protruding from the inside that has a diameter larger than the diameter of the piston rod and abuts and engages with the seat surface of the arbor. a compact cylinder provided with a locking head having a locking head; a locking portion with an opening on one side that is removably inserted into and engaged with a stepped portion of the locking head of the compact cylinder and the piston; An instrument for a main shaft, characterized in that it is provided with a gripping rod having a seat surface that abuts and engages with the chamfer, and an air cylinder that moves the gripping rod at high speed in a direction approaching or away from the main shaft. High-speed attachment/detachment structure.