JPS5838624A - Clutch device of transfer feed device - Google Patents

Abstract

PURPOSE:To easily take out a test-hit work from a metallic die, by providing a clutch between a crank shaft and a transfer feed device, and releasing the interlock of both by the clutch. CONSTITUTION:In case of a regular operation of a press machine, the right end part of a key member 4 of an operating lever 9 is inserted into a key insertion hole 13 of a driving pulley 12, the operation is executed, the driving pulley 12 is rotated together with an intermediate shaft 1, and accordingly, a feed cam shaft 14 of a transfer device, and a release cam shaft 15 are also interlocked. Subsequently, in case of test-hitting, the press machine is stopped once, and the interlock of the intermediate shaft 1 and the driving pulley 12 is released by drawing the key member 4 of the operating lever from the key insertion hole 13 of the driving pulley 12. As a result, the interlock between the intermediate shaft 1, and the feed cam shaft 14 and the release cam shaft 15 is released, the transfer feed device is set to a release attitude, and only the intermediate shaft 1 and a crank shaft S are rotated, by which test-hitting can be executed.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a clutch device in a transfer feed device of a press machine.

In a conventional press? isl/As shown in the figure, the l->l axis S, the intermediate shaft l, the feed cam shaft 14c of the transfer feed device, and the release cam shaft l!
It is structured so that it is directly linked to welfare. However, with such a configuration, the release mechanism of the transformer 7 feed device is driven by a positive cam. There were problems such as workpieces that could not be machined or that failed to be machined.

In view of the above, it is an object of the present invention to provide a clutch mechanism that enables engagement and disengagement between a crankshaft and a transfer feed device.

The present invention will be described in detail below based on the illustrated practice. In Figs. The key member is slidably fitted. The key member is cylindrical in shape, and on its left end side there is a notch j that is parallel to each other and has opposing surfaces that are parallel to each other, and on the right side of the notch j there is a spring storage hole that is concentric with the center axis. 6 is drilled, and a spring guide groove ja continuous with the storage hole 6 is drilled on the opposite surface of the notch j, and a compression coil spring 7 is stored in the spring guide groove ja and the spring storage hole B. .

It is fixed to the drive member by a spring holding member th, and is slidably fitted into the notch j of the key member DA, thereby forming a rotation prevention tube for the key member. is the operating lever, and the notch part j
It is fitted inside and pivoted to the key part near the left end. The operating panel has a first end surface lO and a second end surface // which are in pressure contact with the holding member l, and these end surfaces are mutually ?
0'' angle and the first IIIWJIO is in pressure contact with the spring holding member t, the other end of the key member is a key insertion hole drilled in the drive pulley /- as a drive wheel protruding from the drive part λ. 13, and as shown by the chain line in Figure 3, when the operating lever 9 is turned 900 times to press the end surface of the lever against the spring holding member L, the key member DA will be pulled out from the drive pulley 12. The outer periphery of the drive pulley 12 has a tooth profile l that meshes with the timing bell F.
Driven pulleys /4 and /7 each having a core a carved therein and fixed to the feed cam shaft /4C and the release mechanism shaft lj, respectively.
A timing pel)/I is wrapped between the

Next, this invention will be explained in detail. During normal operation of the press, the first end surface i of the operating lever 9t.

It rotates together with the shaft 1 of the key member 1 in a posture in which it is in pressure contact with the crab presser member 1, and therefore the feed cam shaft/$ of the transfer device and the five release shafts 1j are also interlocked.

When making a trial run, stop the press once, change the angle until the operating lever's first and second end faces come into pressure contact with the spring holding member, and move the key member to the drive pulley's key. When it is pulled out from the insertion hole 13, the sound of engagement between the intermediate shaft l and the driving pulley lλ is interrupted. Then, the connection between the intermediate shaft L, the feed cam shaft L, and the release gear 5 axis/1 is severed, and the transformer 7 feed device is placed in the release position, and the intermediate shaft L is disconnected.
It is also possible to perform a test hit by rotating only the crankshaft S.

According to this invention, as described above, the crankshaft and the transformer 7
Since it is necessary to install a clutch between the crankshaft and the transfer feed device, even in a transfer feed device that uses a positive cam mechanism for the release mechanism, the clutch can be disengaged and the interlock between the crankshaft and the transfer feed device can be released. By discontinuing the break, it is possible to perform a test drive by rotating the crankshaft Yr in a released state without gripping the workpiece, and it is possible to perform a test drive by rotating the crankshaft Yr in a released state. It can be taken out. Further, the clutch device is attached to the crankshaft independently of the machine frame, and the clutch can be engaged and disengaged by a simple operation of angular displacement of the operating lever, and the structure and handling are simple.

[Brief explanation of the drawing]

Figure 1 is an explanatory diagram showing the arrangement of the main shafts in a press machine.
#I2~Tei drawings show an embodiment of the present invention, Fig. 2 is a partially sectional front view, Fig. 3 is a sectional view taken along line 8A-A in Fig. 1, and Fig. *4c is a perspective view of a key member. l・
...Intermediate shaft, λ...Drive member, 3...Guide hole, Hiro・
...Key member, j...Notch, ≦...Spring storage hole, 7...Compression coil spring, l...d Pressing member, 9
...Operation lever, 10...First end surface, /I...Cth end surface, Ll...Drive pulley (drive wheel) /$...
Feed cam shaft, lj...Release cam shaft, /4. /
7... Driven pulley. Patent applicant Yama Co., Ltd. 1) Dobby il1 11zH #13 Figure JI4 Figure

Claims (1)

[Claims] (The crankshaft of the repress machine and the transformer 7 feed device are configured to work together, and in the transformer 7 foot feed device, it is possible to remove the retaining layer between the crankshaft and the transfer feed device. A clutch device in a transformer 7 air feed device characterized by the following structure. A safety key member is slidably fitted into the guide hole, and a lengthwise notch is formed at one end of the key member, and a compression coil spring is inserted in the lengthwise direction from this one end side. An insertable spring storage hole is drilled, the spring presser member is fixed to the drive member by intersecting with the notch of the service key member, and the notch &:Fi operation lever is pivotally attached, and the spring presser is attached to the operation lever. has an 871111 surface that presses against the λ-th end surface and t;
These end surfaces are formed at a predetermined angle with each other.
When the first end surface is in pressure contact with the pressing member, the other end of the key member protrudes from the drive member and is inserted into the key insertion hole of the drive wheel that is loosely engaged with the intermediate shaft, and is inserted into the key insertion hole of the drive wheel that is loosely engaged with the intermediate shaft. A clutch device in a transfer feed device according to claim 1111117, characterized in that the other end of the safety key member 0 is in pressure contact with the cover spring holding member and the other end thereof is configured to be pulled out from a key insertion hole.