Automatic tool exchanger of machine tool
Affiliated technical field
The present invention relates to machine tool field, the device of institute's tool using on especially a kind of automatically replaceable machine tool chief axis.
Background technology
CN2004100238321 discloses a kind of lathe automatic tool exchange device, be provided with discoidal instrument cutterhead, the storage hole that is used for storing tools is installed on the instrument cutterhead, the inboard of instrument cutterhead is provided with a gyroaxis vertical with the guarded blade utility knife disk axis, the upper end of gyroaxis and expansion link is hinged, the lower end of expansion link and the end of pole are fixed, the other end of pole points to the instrument hand of cutter, expansion link is vertical with pole, the other end of pole is hinged with instrument exchange arm through turning cylinder, this hinge point is positioned at the centre of instrument exchange arm, the axis normal of instrument exchange arm and pole, the two ends of instrument exchange arm are separately installed with claw, and the turning cylinder that is connected with instrument exchange arm can be flexible along the axis direction of pole.The instrument cutterhead is positioned at the higher position of automatic tool exchange apparatus, causes on cutterhead handling instrument very inconvenient.
Summary of the invention
In order to overcome the technical deficiency of existing lathe with the instrument apparatus for automatic change, the invention provides a kind of lathe automatic tool change device, this instrument apparatus for automatic change is not only simple in structure, can fast automatic realization cutterhead and machine tool chief axis between instrument directly change, make and on cutterhead, carry out the instrument charge and discharge operations and be more prone to.
The technical solution adopted for the present invention to solve the technical problems is: be provided with the tool magazine support, on the tool magazine support cam box is installed, be provided with the rotating shaft of instrument exchange arm in the cam box, the rotating shaft of instrument exchange arm is parallel with the axis between the machine tool chief axis, the lower end of instrument exchange arm rotating shaft is vertically fixed on the centre of instrument exchange arm, be fixed with and the vertical tubular cylinder jacket of instrument exchange arm rotating shaft on the tool magazine support of instrument exchange arm rotating shaft one side, be symmetrily processed with the pass-through type helical guide slot on the casing wall of cylinder jacket, angle is 90 degree between the initiating terminal of gathering sill and the end, the cylinder jacket inner chamber is equipped with piston type cylinder, one sidewall of piston type cylinder is slidingly matched through cam follower and a gathering sill, another sidewall of piston type cylinder and an end of connecting plate are fixed, and connecting plate passes corresponding gathering sill and pneumatic-finger and is fixed together.
The invention has the beneficial effects as follows that simple in structure, instrument is directly changed between fast automatic realization cutterhead of energy and machine tool chief axis.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1-the 1st, the integrally-built side schematic view of the present invention.
Fig. 1-2 is the integrally-built front schematic view of the present invention.
Fig. 1-the 3rd, schematic diagram above the present invention is integrally-built.
Fig. 2-the 1st, the front view of instrument exchanging decice of the present invention.
Fig. 2-the 2nd, the vertical view of instrument exchanging decice of the present invention.
The flow chart of Fig. 3-1, Fig. 3-2, Fig. 3-3, Fig. 3-4, Fig. 3-5, Fig. 3-6, Fig. 3-7 tool changing operation process of the present invention.
1. cutter-head mechanisms among the figure, 2. tool magazine support, 3. cutter 4. falls cutter mechanism, 5. cam box, 6. machine body, 7. instrument exchange arm, 8. pneumatic-finger, 9. gathering sill, 10. cam follower, 11. connecting plates, 12. cylinder jacket, 13. cylinders.
The specific embodiment
At Fig. 1-1, Fig. 1-2, Fig. 1-3, Fig. 2-1, among Fig. 2-2, cutter-head mechanism 1 is fixed on the tool magazine support 2, tool magazine support 2 is fixed on this machine of lathe 6, the cutterhead of forming cutter-head mechanism 1 can rotate around the rotating shaft of himself, in the storage hole of circular beater plate periphery cutter 3 is installed, cutter mechanism 4 also is installed down on the tool magazine support 2, fall cutter mechanism 4 by cylinder jacket 12, piston type cylinder 13, pneumatic-finger 8 is formed, cam box 5 is installed on the tool magazine support 2, be provided with the rotating shaft of instrument exchange arm in the cam box 5, the rotating shaft of instrument exchange arm is parallel with the axis between the machine tool chief axis, the lower end of instrument exchange arm rotating shaft is vertically fixed on the centre of instrument exchange arm 7, instrument exchange arm 7 is between cutter-head mechanism 1 and machine tool chief axis, the cutter mechanism 4 that falls is delivered to cutter 3 on the instrument exchange arm 7 after cutterhead takes off, by instrument exchange arm 7 cutter is exchanged on the machine tool chief axis then, and used cutter 3 on the main shaft exchanged through falling cutter mechanism 4 send back in the storage hole of cutterhead, for tool changing next time ready.Be fixed with and the vertical cylinder jacket 12 of instrument exchange arm rotating shaft on the tool magazine support 2 of instrument exchange arm rotating shaft one side, be symmetrily processed with two pass-through type helical guide slot 9 on the casing wall of cylinder jacket 12, angle is 90 degree between the initiating terminal of gathering sill 9 and the end, cylinder jacket 12 inner chambers are equipped with piston type cylinder 13, one sidewall of piston type cylinder 13 is slidingly matched through cam follower 10 and a gathering sill 9, another sidewall of piston type cylinder 12 and an end of connecting plate 11 are fixed, connecting plate 11 passes corresponding gathering sill 9 and is fixed together with pneumatic-finger 8, cam follower 10 moves along gathering sill 9, thereby plays the effect that locating pneumatic is pointed 8 movement locus.
Fig. 3-1, Fig. 3-2, Fig. 3-3, Fig. 3-4, Fig. 3-5, Fig. 3-6, Fig. 3-the 7th, the flow chart of tool changing operation process of the present invention.Pneumatic-finger 8 on the preceding cutter mechanism 4 of tool changing is in open configuration, and cutterhead can rotate freely, and after system received the tool changing instruction, the cutterhead rotation was delivered to tool change position with cutter 3 to be changed, and pneumatic-finger 8 is connected and is in closure state, finishes the clamping process of instrument; Behind the holding action of finishing instrument, the piston type cylinder left side chamber ventilation in the cutter mechanism 4, piston type cylinder 13 drives the pneumatic-finger 8 and the cutter to be changed that are installed on it and moves right together and turning anticlockwise, cutter 3 is delivered to the tool change position of machine tool chief axis side; After cutter 3 to be changed arrives main shaft side tool change position, instrument exchange arm 7 an angle of 90 degrees that turns clockwise, the paw at instrument exchange arm 7 both ends is caught cutter to be changed on the pneumatic-finger 8 and the old cutter on the main shaft respectively, pneumatic-finger 8 is connected and is decontroled, after treating the automatic clamping mechanism loosening cutter on the lathe main shaft, instrument exchange arm 7 descends, extract the cutter on main shaft and the pneumatic-finger 8 simultaneously, instrument exchange arm 7 dextrorotation turnback angles, make old cutter on the machine tool chief axis and the cutter switch to be changed on the pneumatic-finger 8, instrument exchange arm 7 rises, and cutter is inserted in the broach shell of tapered bore of machine tool spindle and pneumatic-finger 8 respectively, finishes the instrument exchange; Pneumatic-finger 8 is connected, and the finger closure will be submitted the old cutter that brings from machine tool chief axis and clamp, and instrument exchange arm 7 is rotated counterclockwise an angle of 90 degrees and returns the home position; Piston type cylinder 13 right chambeies ventilations in the cutter mechanism 4, piston type cylinder 13 drives old cutter and returns cutter holder position on the cutterhead; Pneumatic-finger 8 is connected, and finger is decontroled, and cutterhead can rotate freely, and prepares to select cutter next time.