JPS6371327A - Automatic exchanging device for chuck attachment of removing device - Google Patents

Abstract

PURPOSE:To make it possible to install and remove a chuck attachment of an installing plate of a removing device by releasing a lock device of the chuck attachment by means of an unlock device. CONSTITUTION:An unlock device 5 is equipped with a first cylinder 7 fixed on a support bed 4, while a hook 19 is supported pivotally with a support pin 21 on a bracket 20 fixed to a base plate 10. By the reciprocating movement of a slider 16, a hook 19 moves and swings reciprocally between the working position shown by a solid line and non-working position shown by a chain dash. At the working position of the hook 19, an engaging pawl 24 can be engaged with a pawl 23 of lock device, while at the non-working position of the hook 19, the engaging pawl 24 is released from the engagement with the pawl 23 of the lock device. A first cylinder 7 is actuated under the condition that the engaging pawl 24 at the working position is engaged with the pawl 23 of the lock device, and when a base plate 14 moves to the right side of the drawing, the engaging pawl 24 of the hook 19 pulls the pawl 23 to the right side of the drawing to release the lock device.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a chuck attachment changing device for taking out and forming.

The take-out machine of the Wjji Token injection molding machine requires the chuck attachment to be replaced, and when replacing the chuck attachment, it is necessary to attach and detach the fluid coupler that connects the take-out machine body and the chuck attachment, and the chuck attachment. The present applicant has developed a device that automatically performs
It was proposed by No. 58712.

In this known device, specific means for automatically attaching and detaching the coupler were clarified, but the means for automatically attaching and detaching the chuck attachment to and from the mounting plate of the extractor was not clarified.

2) An object of the present invention is to provide an automatic chuck attachment exchange device that automatically exchanges a chuck attachment with respect to a mounting plate of a take-out machine.

The above object of the present invention is to use a chuck attachment that has a mounting hole provided on a mounting plate of a take-out machine into which a support pin can be inserted, and a device that engages and locks the support pin. The chuck attachment is characterized in that at least one pair of supports supporting both ends of the chuck attachment and a lock release device attached to the supports and capable of acting on the locking device are arranged on a pedestal as a set. The problem was solved with a device.

According to the present invention, by unlocking the locking device of the chuck attachment placed on the support base using the unlocking device, it is possible to attach and detach the mounting plate of the take-out machine to and from the chuck attachment.

The structure and operation of the present invention will be explained in detail based on the embodiments shown in the drawings.

In FIGS. 1 to 3, two sets of automatic exchange devices 2 are arranged side by side on a pedestal l. One automatic exchange device automatically removes the chuck attachment from the mounting plate of the mounting machine, and the other automatic exchange device continuously attaches a new chuck attachment to the mounting plate of the extractor. This allows quick replacement of the chuck attachment to the take-out machine.

Each automatic exchange device 2 includes one or more pairs of supports 4 (one pair in the figure) arranged oppositely at an appropriate interval so as to be able to support the chuck attachment 3 at both ends, and the supports 4.
The unlock device 5 attached to the unlock device 5 is one set. One of the supports 4 may further be provided with a coupler holding device 6 for supporting a coupler for connecting a fluid conduit to a coupler of the main body of the extractor, if necessary.

The unlocking device 5 is shown in FIGS.
It has a first cylinder 7 fixed on top of the cylinder.

The first cylinder 7 has a cylinder case 8 fixed to the support base 4 and a piston rod 9 protruding from both ends of the cylinder case 8, and is fixed to or integrally formed with both piston rods 9 on the lower surface of the base plate 10. The bent ears 11 are fixed. The base plate 10 reciprocates to the left and right in the figure in response to the movement of the piston rod 9.

A stopper bracket 12 is fixed to the support base 4, and a stopper screw 13 is screwed onto the stopper bracket 12. The stopper screw 13 is formed to abut against the lug 11 of the base plate 10 and limit the movement stroke of the base plate 10. The movement stroke of the base plate 10 can be adjusted by the screwing amount of the stopper screw 13.

An operating cylinder 15 is fixed to the base plate 10 directly or via an intermediate plate 14. A slider 16 is fixed to the rond of the operating cylinder 15, and the slider 16 reciprocates on the base plate 10 or the intermediate plate 14 in accordance with the operation of the operating cylinder 15. The slider 16 has a recess 17
is formed, and a pin 18 is engaged with the recess 17.

The pin 18 is fixed to one end of the hook 19 and
The support pin 21 is attached to the bracket 20 fixed to the base plate lO.
It is rotatably supported by. By reciprocating the slider 16, the hook 19 can swing back and forth between an operating position shown by a solid line and a non-operating position shown by a chain line.

The hook 19 has the claw 2 of the locking device of the chuck attachment 3 supported by the locate pin 22 fixed to the support 4.
3 is formed, and in the operating position of the hook 19, the engaging claw 24 engages with the opening.

In the inoperative position of the hook 19, the engaging pawl 24 is disengaged from the pawl 23 of the locking device.

When the first cylinder 7 is operated with the engaging pawl 24 engaged with the pawl 23 of the locking device in the operating position and the base plate 14 moves to the right in the figure, the engaging pawl 24 of the hook 19 engages the pawl 23. The locking device is configured to be released when the locking device is pulled to the right in the figure.

A bracket 25 is further fixed to the support base 4, and a clamp lever 27 is rotatably supported on the bracket 25 by a support shaft 26. One end of the clamp lever 27 is pivotally connected by a pin 30 to the rond of a clamp cylinder 29 which is pivotally supported by a pin 28 to the pedestal 1 to which the support 4 is fixed. The clamp lever 27 is moved up and down around the support shaft 26 by the operation of the clamp cylinder 29, and the free end of the clamp lever 27 is in the operating position shown by the solid line to prevent the vertical attachment 3 from floating upward. Guarantees reliable removal of the extractor body.

A center 32 is supported by a support plate 31 on the support base 4, and it is possible to detect whether or not the chuck attachment 3 is present on the rocket bin 22.

Chuck attachment 3 that can be automatically replaced with this device
An example of the structure is shown in FIGS. 7 and 8. It has a mounting hole 35 into which a support bin 34 of a mounting plate 33 provided on the main body of the extractor can be inserted, and a locking device 36. The locking device includes a rond plate 38 that is slidably supported on the chuck plate 37 of the chuck attachment 3 and a spring 39 that holds the lock plate 38 in the locked position. A lock hole 40 provided in the lock plate 38, for example, a daruma hole, engages with the support pin 34 in the locked position to prevent the support pin 35 from coming out of the mounting hole, and in the unlocked position, the support pin 35 is inserted into the mounting hole 35. Makes it easy to put on and take off. A pawl 23 is formed on the lock plate 38 so that the engaging pawl 24 of the hook 19 can be engaged with the gap 41 between the pawl 23 and the chuck plate 37 in the locked position. It is formed.

The present invention will be described in detail.

When replacing the chuck attachment, the takeout machine body moves to one of the two sets of devices shown in FIG. 1 and positions the chuck attachment on the locate pin 22 ii! place A new chuck attachment to be replaced has already been placed on the locating pin 22 of the other device, or will be placed there during the removal operation from the take-out machine main body.

With the clamp lever 27 and the hook 19 in the non-operating position, the base plate 10 is stopped at a predetermined position determined by the stopper screw 13 by the operation of the first cylinder 7, and the slide 16 is moved to the right in the figure by the operation of the actuating cylinder 15. The moved bottle 18 is moved by engagement with the recess 17, and the engaging claw 24 of the hook 19 engages with the claw 23 of the locking device 36 of the chuck attachment, for example, the claw 23 of the locking plate 38 in FIG.

Furthermore, the clamp cylinder 29 is operated and the clamp lever is
The free end of the chuck attachment 3, for example, the chuck plate 37, is held between the free end of the chuck attachment 3 and the locate pin 22.

Next, the first cylinder 7 is operated to move the base plate 10 to the right in the figure. At this time, the hook 19 is moved together and the engaging claw 24 pulls the claw 23 of the lock plate 38. Due to the movement of the lock plate 38, the lock hole 40 is aligned with the support pin 34.
Release the engagement with.

A sensor detection portion 42 is provided on the intermediate plate 14 fixed to the base plate 10 as shown in FIGS. 4 and 5, and is detected by front, middle, and rear sensors 43, 44, and 45, respectively. The front sensor 43 is at the unlocking start position of the plywood 10,
That is, detecting the position where the hook engages with the locking device,
The intermediate sensor 44 detects that the nail is pulled to the unlocked position of the locking device, and the rear sensor 45 detects when the plywood 10 is moved by the actuation of the first cylinder 7 and the hook 19 is detected.
When the locking device is not engaged with the locking device, since there is no resistance from the locking device, it is detected that the locking device has moved more than necessary, and it is detected that the lock has not been released.

When unlocking is detected by the signal from the intermediate sensor 44, the main body of the takeout machine is moved to separate the mounting plate from the chuck plate. At this time, the clamp lever 27 helps ensure the removal of the mounting plate from the chuck plate.

The main body of the take-out machine from which the chuck attachment has been removed is moved to an adjacent device, and the support pin of the mounting plate is attached to the chuck plate with the locking device held in the unlocked state using the same operating method as described above. After the support pin is attached, the first cylinder 7 is operated and the base plate 10 is attached to the stopper screw 1.
When the locking device is moved back to the position where it contacts 3, the locking device enters the locked state. Then, by operating the operating cylinder 15 and clamp cylinder 29 and moving the hook 19 and clamp lever 27 to the non-operating position, the chuck attachment replacement is completed. After that, repeat the above operation.

An example of a locking device is shown in FIGS. 7 and 8, but the present invention is not limited thereto, and any structure may be used as long as the lock can be switched between locking and releasing by means of a reciprocating member.

Although only one side of the lock release device has been described, it is sufficient to operate both sides at the same time.Of course, if the lock release device can be switched to release by reciprocating only one member of the lock device, only one lock release device may be activated.

The present invention has made it possible to automatically replace chuck attachments through simple and reliable cylinder operation.

According to the present invention, the mechanism for attaching and detaching the chuck attachment is all built into the automatic exchanger, so the take-out machine only needs to move up and down. Therefore, any type of takeout machine can be used as long as it moves up and down.

According to the present invention, it has become possible to automatically supply and discharge the chuck attachment of the automatic exchanger, since it is only necessary to position and place the chuck attachment on the support.

[Brief explanation of the drawing]

Fig. 1 is a plan view showing a schematic shoulder arrangement of the automatic exchange device according to the present invention, Fig. 2 is a front view, Fig. 3 is a side view, Fig. 4 is a front view of the lock release device, and Fig. 5 is a front view. FIG. 6 is a plan view, FIG. 6 is a side view, FIG. 7 is a front view of an example of a locking device for a chuck attachment, and FIG. 8 is a bottom view.

Claims (2)

[Claims] (1) Use a chuck attachment that has a mounting hole provided on the mounting plate of the takeout machine body into which a support pin can be inserted, and a locking device that engages and locks the support pin, and that both ends of the chuck attachment are An automatic chuck attachment exchange device for a take-out machine, characterized in that the set includes at least one pair of support stands and a lock release device attached to the support stands and capable of acting on the locking device, arranged on a stand. . (2) The automatic chuck attachment exchange device for a take-out machine according to claim 1, wherein two sets of devices are arranged side by side on a stand.