SU1109322A1 - Apparatus for setting and removing dies on hydraulic presses - Google Patents

Abstract

DEVICE FOR MOUNTING AND REMOVE STAMP in a hydraulic press, comprising positioned on the movable part of the press yoke with guide installed in the guide traverses the carriage, and the carriage movement mechanism, characterized in that, with a view to the Enhance accuracy setting schtampa the table press and increasing the stability of the bearing surfaces of the press and the press table; the mechanism for moving the carriage is placed on the stationary part of the press and is made in the form of kinematically connected torsion springs, stop ratchet mechanism a snake, a flexible coupling drum, one end of which is connected to the carriage and the other end to the drum. i (L so 00 th

Description

The invention relates to forging and pressing machinery, in particular to the means of mechanization of hydraulic presses.

A device for mounting and removing dies on hydraulic presses, comprising a traverse with guides located on the movable part of the press, a carriage mounted in the guides of the traverse, and a mechanism for moving the carriage 1 are known.

A disadvantage of the known device is that it cannot ensure high accuracy of the installation of the stamp on the press table, and, moreover, the horizontal movement of the stamp stops as a result of the impact of the die's stamping surface against the support surface of the press table.

The aim of the invention is to improve the accuracy of the installation of the stamp on the press table and increase the durability of the bearing surfaces of the stamp and the press table.

This goal is achieved by the fact that in a device for mounting and removing dies on hydraulic presses, comprising a yoke with rails located on the movable part of the press, a carriage mounted in the traverse guides, as well as a carriage movement mechanism, the latter is placed on the stationary part of the press and made in the form of kinematically coupled torsion springs, a lock ratchet mechanism, a drum and a flexible coupling, one end of which is connected to the carriage and the other end to the drum.

FIG. Figure 1 shows a schematic of a device for mounting and removing dies on hydraulic presses; a variant of flexible coupling reserve for installing a stamp; in fig. 2 - the same, a variant of the flexible coupling rewrapping for removing a stamp.

The device consists of a yoke 1 with a system of blocks 2-4, mounted on the plate 5 of the press ram, a carriage 6 with two eye bolts moving along the yoke 1, a mechanism for moving the carriage mounted on the frame of the press 7. The carriage movement mechanism includes a flexible coupling 8, as well as a winding device arranged on one axis, made, for example, in the form of a drum 9, a torsion spring 10 and a ratchet stop

mechanism 11. A flexible link 8 connects the drum 9 to the carriage 6 through a system of blocks 2-4. Depending on the variant of the flexible communication reeving through the block system, the stamp is installed on the press table 12 (drum 9, block 2, right eyebolt of the carriage 6) or removed (drum 9, block 3, block 4, left eye) bolt carriage 6).

The device works as follows M.

The press is put into commissioning mode. In order to set the punch, the flexible link 8 is stockpiled accordingly, the slide is lowered from the crosspiece 1

in the lower position and the stamp, for example, on the trolley, is suspended from the carriage 6 so that the distance from the die base to the crosshead 1 is less than the height from the press table 12 to the crosshead 1, which is in the upper position. With

the upward movement of the slide increases the punch and relaxes the tension of the flexible coupling 8, which is selected by the coiling device, after which the flexible coupling 8 is locked by the ratchet mechanism 11.

When the slider is subsequently lowered, the carriage 6 with the stamp moves along the traverse 1 into the die space. The reciprocating movement of the slider is performed until the stamp is in the required position in the die space. Then, the flexible link 8 is disconnected from the carriage 6 and the stamp is lowered down by the movement of the slide on the press table 12.

To remove the punch, the flexible link 8 is stockpiled accordingly, the carriage 6 is on the yoke 1 in the extreme right position. The stamp is suspended from the carriage 6 and the reciprocating movement of the slider 5 is performed until it is removed from the strain space.

Compared with the known device, the proposed device for mounting and removing dies on hydraulic presses allows to increase the accuracy of stamp installation, as well as to increase the durability of the bearing surfaces of the stamp and press table,

In addition, the invention is more convenient to operate.

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Claims (1)

DEVICE FOR INSTALLING AND REMOVING STAMPS ON HYDRAULIC PRESSES, containing a traverse with guides located on the movable part of the press, a carriage installed in the guides of the traverse, and also a carriage moving mechanism, characterized in that, in order to increase the accuracy of the stamp on the press table and increase the durability supporting surfaces of the stamp and the press table, the carriage moving mechanism is located on the fixed part of the press and is made in the form of kinematically connected torsion springs, locking ratchet mechanism, b araban and flexible connection, one end of which is connected to the carriage, and the other to the drum. Figure 1>