JPS6039135Y2 - Workpiece supply or removal device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for supplying a workpiece processed by a press to a lower mold part on a table of the press, or for taking out the pressed workpiece.

For example, automatic devices that feed and take out workpieces to presses are known, but since these devices use cylinders, they require air pumps, solenoid valves, and associated piping parts. However, since it is a fairly complicated device, the equipment cost is high.

The present invention aims to eliminate such disadvantages and to provide a device for supplying or taking out workpieces that is simple and has good workability.

To explain the present invention with reference to an embodiment shown in drawings, 1 is a bevel gear mounted on a drive shaft 2 associated with a prime mover, 3 is a bevel gear meshed with the bevel gear 1, and a shaft 4 of the bevel gear is connected to the bevel gear. The base end of the crank arm 5 is attached to the front end.

Reference numeral 6 designates an interlocking loft with one end connected to the upper end of the crank arm 5, and the other end connected to one end of a sliding body 9 that slides along a guide track 8 on which a trochanter 7 is installed. A gear 11 is meshed with a rack 10 provided at.

The gear 11 is fixed on a shaft 12, and the shaft 12 is connected to the frame 1.
3, 14 is an arm whose lower end is fixed to the rear end of the shaft 12, and a vertically elongated hole 15 is bored in the back surface of the upper end, and an inner side of the arm is connected to the elongated hole 15. recessed hole 1
A coil spring 17 is housed inside 6, and 18 is a sliding body that is slidably installed on a guide rod 20 provided laterally along the inside of the frame 19 located at the rear of the arm 14. A pair of lifting rods 21 that slide in the vertical direction are installed on the sliding body, a mounting device 22 for mounting a workpiece gripper is attached to the lower end, and a connecting rod 23 attached to the upper end is integrally installed. A connecting pin 25 protruding from the front of the lower end of the connecting body 24 is fitted into an elongated hole 15 formed on the back side of the arm 14, and the upper end of the coil spring 17 is pressed into contact with the left and right sliding passage of the sliding body 18. Stoppers 26 are provided at both ends to adjust the sliding interval.

Since the present invention is constructed as described above, when the prime mover is started and the bevel gear 1 rotates, the bevel gear 3 meshing with the bevel gear 3 rotates, thereby rotating the crank arm 5 mounted on the shaft 4.

As a result, the interlocking rod 6 connected to the crank arm causes the sliding body 9 connected to the other end to reciprocate along the guide track 8, and the gear 11 meshed with the rack 10 on the upper surface.
Rotate left and right alternately.

When the gear 11 rotates left and right alternately, the arm 14, whose lower end is fixed to the rear end of the shaft 12 to which the gear is attached, rotates left and right about the shaft 12 as a fulcrum.

A connecting pin 25 at the lower end of the connecting body 14, which is integrally attached to the upper end of the lifting rod 21 and provided on the connecting rod 23, is fitted into the vertically elongated hole 15 provided at the back of the upper end of the arm 14. The upper end of a coil spring 17 housed in the notch 16 is pressed against a connecting pin, so that the arm 1
The left and right reciprocating rotation of 4 causes the lifting rod 21 integrated with the connecting body 24 to be moved left and right via the connecting pin 25, and the lifting rod 21 is moved along the guide rod 20 by the sliding body 18. Since the device is designed to be able to move up and down, when the arm 14 rotates left and right, the sliding body 18 also moves left and right, and during this sliding, the lifting rod 21 that is directly connected to the arm 14 is moved so that the arm 14 is in an arc. Since it rotates while drawing a figure, it moves up and down according to the movement of the arm.

Since the lifting and lowering of the lifting rod and the left and right sliding of the sliding body 18 are carried out simultaneously, the mounting device provided at the lower end of the lifting rod 21 is used to supply the workpiece to the press mold that is attached to the bed of the press. By attaching an instrument or a tool for taking out a pressed workpiece, it is possible to automatically feed the workpiece to the press mold device or to mount the workpiece.

When taking out or feeding the workpiece, the lifting rod 21
requires gradual vertical movement, but if the sliding movement of the sliding body 18 is adjusted by the stopper 26, the sliding body can be stopped by the stopper before the arm 14 reaches the end of rotation. The arm continues to rotate, but since the connecting pin 25 cannot rotate, it descends vertically while pressing against the coil spring built into the arm.

That is, the lifting rod slowly descends vertically to perform the desired operation.

The vertical descent interval of the lifting rod is determined by adjusting the sliding stop position of the sliding body with a stopper, so the workpiece can be installed or fed slowly, so there is no risk of damage to the workpiece. In addition, the risk of injury to the worker can be sufficiently prevented.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; Fig. 1 is a front view, Fig. 2 is a plan view, Fig. 3 is a side view taken longitudinally along the line A-A in Fig. 1, and Fig. 4 is a cross-sectional view. FIG. 3 is an explanatory diagram of the operation of the lifting rod.

Claims (1)

[Scope of utility model registration request] One end is connected to the crank arm, and the other end of the interlocking loft is connected to the crank arm.
A gear attached to the front end of a support shaft supported by a bearing on the frame is engaged with a rack that is connected to one end of a sliding body that is configured to be slidable along a guide track and is provided on the top surface of the sliding body. an arm with its lower end fixed to the rear end of the support shaft; a sliding body capable of sliding in the left-right direction along the guide loft is provided behind the arm device; and a lifting rod is attached to the sliding body. The lower end of the lifting rod is equipped with a mount for attaching a gripper for the workpiece, and the upper end is provided with a connecting pin protruding from the front of the lower end of the continuous body provided integrally with the lifting rod. The front end of the pin is fitted into a vertical hole provided on the back side of the upper end of the arm, and the upper end of a coil spring installed in the arm is pressed against the lower surface of the pin, thereby forming a guide loft for the sliding body at both ends of the rear frame. A device for supplying or taking out a workpiece, characterized in that a stopper for adjusting the movement interval of a sliding body is disposed at a predetermined position.