SU1484555A1 - Arrangement for securing work in automated machine tool - Google Patents

Abstract

The invention relates to the field of machining materials by cutting, namely, devices for securing parts to automated machines, for example aggregate machines with a rotary table. The invention makes it possible to expand technological capabilities by providing oriented fastening of non-circular parts. Clamping jaws 12 with a yoke 10 with a drive made in the form of a two-chamber power cylinder are placed in the housing 28, in the chambers 8 and 9 of which the pistons 35 and 36 are mounted with independent movement. The piston rod 15 of the piston 36 is made in steps 29 and 30 and is connected with its end 32 with rocker 10. The piston rod 14 of the piston 35 is made in the form of a cup with a stepped hole and communicates with the outer end 32 with the rocker arm 10, and the inner end 33 with the end face 34 of the shaft 15. When the workpiece 27 is fixed, the working fluid is fed into the rod end of the chambers 8 and 9 and moving the piston 35 minutes and 36 via rocker arm 10 by the jaws 12, 27. The clip parts is provided yl 8.

Description

FIG. eight

butt J2 with rocker arm 10. The piston rod 14 of the piston 35 is made in the form of a cup with a stepped hole and interacts with the outer end 32 with the rocker arm 10, and the inner end 33 with the end face 34 of the shaft 15. When fastened,

Hoist 27, the working fluid is supplied to the starting cavities of chambers 8 and 9 and by moving the pistons 35 and 36 through the rocker arm 10 by means of the clamping jaws 12, the workpiece 27 is clamped. 8 Il.

The invention relates to machining cutting materials, namely, devices for securing parts on automated machines, for example, an aggregate machine with a rotary table.

The purpose of the invention is the expansion of technological capabilities by providing oriented fixing of non-circular parts.

Figure 1 shows an aggregate machine with a device for securing parts, a general view; Fig. 2 is a view A in Fig. 1 (the position of the clamping jaws at the moment of clamping the parts); on fig.Z - view B in figure 1; figure 4 is a view In figure 1; figure 5 is a view of G in figure 2 (the position of the clamping jaws at the time of unloading parts); figure 6 is a view of G in figure 2 (the position of the clamping jaws at the time of loading parts); figure 7 - section dD in fig.Z; on - section 6.

On the frame 1 there are rotary dividing table 2 with pneumatic distributor 3, power head 4 with tool holder 5 equipped with cutters for trimming the butt. On the table 2 there are devices 6 for fastening parts with a tray

7 unloading, driven - by a power cylinder with the upper 8 and lower chambers 9, the yoke 10, the thrust pad 11, the clamping jaws 12 with the rollers 13.

The 8 upper chamber 8 is installed in the form of a glass with a stepped bore, a rod 14, and in the lower chamber ™

Re 9 has a rod 15 connected by an end to a yoke 10. On the bed 1 there is a loading mechanism consisting of a rack 16 on which the tray 17 is fixed, a fork 18, a power cylinder 19, on the bracket 20 which is fixed on the bed 1, a stop 21 is mounted, swinging on the axis 22. A double-arm lever 23, which swings on the axis 24 and interlocks, contacts the stop 21; It operates with a spring 25 and a limit switch 26. The device secures part 27. Clamping jaws 12 are placed in housing 28. The stem 15 of the lower chamber 9 is made of two stages: a larger diameter 29 and a smaller one 30. Butt 31, the stem 15 interacts with the rocker 10 Rod 14, the outer end 32 interacts with the yoke 10, and the inner end 33 - with the end 34 of the stepped stem 15. In this case, the area of the piston 35 in the rod part of the chamber 8 is larger than the area of the piston 36 in the rod part of the chamber 9.

Aggregate machine with devices for fixing parts works as follows.

The rotation of the electric actuators of the power head 4 and the rotation-dividing table 2 is turned on. Parts 27 of the bunker loading device (not shown) are fed into tray 17. At the loading position, the stem 14 of the chamber 8 is in the upper position, and the stem 15 of the chamber 9 presses the rocker 10 until it stops at end 33 of stem 14. Since the diameter of piston 35 of chamber 8 is larger than the diameter of piston 36 of chamber 9, the rocker arm 10, and therefore the clamping jaws 12, are with a gap relative to the load piece 27. When fixing the rotary-separating table 2 at the loading position by a command is issued to turn on the power cylinder 19 connected to the fork 18, which, turning, gives ONE part 27 to the device 6. The part fixed in the tray 17, not changing its position relative to the faces, is installed on the supporting platform 11. Next, the command to turn the table 2 and the removal of the power cylinder 19 to its original position. When rotated from the pneumatic distributor 3, air is supplied to lower the rods 14 and 15 of chambers 8 and 9. The yoke 10 is displaced downwards and, via the rollers 13, engages the clamping jaws 12 and clamps the rod 14 with its end face 33.

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Claims (1)

SUMMARY OF THE INVENTION A device for securing parts .5 on an automated machine, in the housing of which there are clamping jaws with a beam connected to the drive, characterized in · 10 that, in order to expand technological capabilities by providing oriented fastening of non-circular parts, the drive is made in the form of a two-chamber power a cylinder with 15 placed in each chamber with the possibility of independent movement of two coaxially arranged pistons, while the piston rod of the lower chamber is made stepwise and connected the torus is a lower stage with a beam, and the piston rod of the upper chamber is in the form of a glass with a stepped hole designed to accommodate the corresponding steps of the rod of the lower chamber 25, the piston rod of the upper chamber being installed with the possibility of interaction with the outer end c. rocker, and the inner end - with the end face of the piston stage of the lower chamber, 30 the area of the piston in the rod cavity of the upper chamber is larger than the similar area of the piston in the lower chamber. Type A fi g View 5 of FIG. 5 view G j ....... t 1 I G fi g. B FIG. 7