JPH0718433Y2 - Molded product conveyor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a molded product transporting device for transporting a molded product formed by a transfer press.

[Conventional technology]

Conventional transfer presses are equipped with a pair of transfer bars that perform two-dimensional operation or three-dimensional operation to carry out a sheet material into the press body and carry out a molded product molded by the press body.

The transfer bars are arranged side by side in the conveying direction of the molded product, and the fingers for clamping the sheet material and the molded product are provided at the positions facing each other. It is designed to be carried out to the auto palletizer installed on the molded product carry-out side of the press body.

[Problems to be solved by the device]

However, in the case of molding in which two molded products are taken in the front-back direction of the press body in the final step, the fingers provided on the transfer bar could not carry out the molded product from the final step.

Conventionally, in the case of such molding, a molded product transport conveyor or the like is installed to carry out the molded product, but a lot of space is required to install the molded product transport conveyor, or there is space for installation. If not, there was a problem that it was difficult to carry out the molded product.

The present invention has been made for the purpose of remedying the above-mentioned problems, and an object thereof is to provide a molded product conveying device for carrying out molded products, two of which are taken in the front and back, from the press body.

[Means and Actions for Solving the Problems]

In order to achieve the above object, this invention is a transfer press in which a transfer bar sequentially conveys a work to each processing station of the press body. A sub bar having a work supporting member for holding the molded product is provided between the transfer bars so as to be parallel to this, and between the sub bar and the transfer bar,
It consists of a spline shaft that is rotated by the feed operation of the transfer bar, a clutch that transmits the rotation of this spline shaft to the subbar drive shaft, and a pinion and a rack that converts the rotation of the subbar drive shaft into reciprocating motion and transmits it to the subbar. It is linked by a synchronization mechanism, and the workpieces that were taken in the front and back in the final process are respectively supported by the workpiece support members of the sub bar driven by the transfer bar, and carried out to the take-out position of the molded product such as the auto palletizer. You can

〔Example〕

 An embodiment of the present invention will be described in detail with reference to the drawings.

In the figure, 1 is a transfer press body, and a bolster 2
Has a pair of transfer bars 4 arranged in parallel with each other in the conveying direction of the molded product 3 (direction of arrow A), and a finger 5 for clamping the sheet material or the molded product 3 is provided at a position facing these transfer bars 4. Is installed.

A clamp box 6 drives the transfer bar 4 in the clamping and unclamping directions, and two lift beams 7 are provided above the clamp box 6 in a direction orthogonal to the transfer bars 4.

Guide posts 8 are provided on the lower portions of both ends of these lift beams 7.
, And these guide posts 8 can be lifted freely by a lift mechanism 10 composed of a rack and a pinion (neither of which is shown), and the respective lift mechanisms 10 are interlocked by an interlocking rod 38. Thus, the front and rear guide posts 8 are synchronously moved up and down.

A clamp carrier 9 is provided on the lift beam 7 so as to move toward and away from the lift beam 7,
The transfer bar 4 is mounted on these clamp carriers 9.
The lower part of the is supported movably in the feed direction, and the sub-bar support member 11 is provided on the lift beam 7 between the clamp carriers 9.

The sub-bar support member 11 is vertically movable together with the lift beam 7, and a pair of sub-bars 13 are supported via a plurality of guide rollers 12 provided on the upper part.

Each of the sub-bars 13 has a roller 12 whose lower part is provided on the sub-bar support member 11 so as to be parallel to the transfer bar 4.
Is movably supported by the synchronous drive mechanism 14 and is driven in the feed direction in synchronization with the feed operation of the transfer bar.

The synchronous drive mechanism 14 has a spline shaft 15 below one of the transfer bars 4 so as to be orthogonal to it,
The spline shaft 15 is slidably engaged with the gear 16,
A pinion 18 meshing with a rack 17 laid on the bottom surface of the transfer bar 4 is meshed, and the spline shaft 15 is rotated via the pinion 18 and the gear 16 as the transfer bar 4 feeds. There is.

Further, one end side of the spline shaft 15 has a sub-bar support member 11
It is extended to the side and is connected via a clutch 20 to a rotary shaft 19 provided at the lower portion of the sub-bar support member 11.

One end side of the rotary shaft 19 is connected to a clutch cylinder 22 via a rotary joint 21, and the clutch cylinder 22 shifts the rotary shaft 19 to the spline shaft 15 side so that the spline shaft 15 and the rotary shaft 19 are connected to each other. The rotary shaft 19 and the sprocket 23 are connected via the clutch 20 by connecting them via the clutch 20 and shifting the rotary shaft 19 in the direction away from the spline shaft 15.
Sub bar evacuation motor 25 connected to chain 25 via
The rotating shaft 19 is thereby rotatable.

A gear 26 is spline-engaged with the rotary shaft 19,
The gear 26 is meshed with an intermediate gear 29 attached to a subbar drive shaft 28 via a torque relay 27.

Then, the pinions 31 attached to both ends of the sub-bar drive shaft 28 and the rack 30 fixed to the bottom of the sub-bar 13 are meshed with each other, and the rotation of the drive shaft 28 causes each sub-bar 13 to simultaneously feed in the feed direction via the pinion 31. It can be driven.

On the other hand, a work support member 32 composed of a vacuum cup is detachably attached to both ends of each sub-bar 13 as an attachment, and two molded products 3 taken in the final step 33 of the press body 1 are sucked from below. The sheet is conveyed to a molded product take-out position 36 of an automatic palletizer (not shown) via a temporary placing table 35 installed in the idle station 34.

Next, the operation will be described. The workpieces clamped by the fingers 5 provided on the transfer bar 4 and sequentially conveyed to each processing station of the press body 1 become the molded products 3 that are two pieces taken in the final step, and the sub bar It is adsorbed from below by a work support member 32 provided on one end side of 13.

Then, in synchronism with the feed operation of the transfer bar 4, the transfer bar 4 is conveyed to the temporary placing table 35 installed in the idle station 34.

That is, when the transfer bar 4 starts the feeding operation, the spline shaft 15 is rotated by the rack 17 laid on the bottom surface of the transfer bar 4 via the pinion 18 and the gear 16.

A rotary shaft 19 is connected to the spline shaft 15 via a clutch 20, and the rotation of the spline shaft 15 is rotated through a gear 26 provided on the rotary shaft 19 and an intermediate gear 29 meshing with the subbar drive shaft 28. Is transmitted to each sub-bar 13 in the same direction as the transfer bar 4 at the same speed by the pinion 31 provided on the sub-bar drive shaft 28, and the work supporting member
The molded article 3 adsorbed by 32 is conveyed to the idle station 34 and placed on the temporary placing table 35.

Then, when the transfer bar 4 returns, the sub-bar 13 also returns to its original position to adsorb the next molded product 3, and the work support member 32 provided on the other end of the sub-bar 13 is placed on the temporary placing table 35. The molded product 3 is adsorbed and conveyed to the molded product take-out position 36 of the auto palletizer in the next advance process.

After that, the above operation is repeated to convey the two molded products 3 taken in the final process to the molded product unloading position 36 of the auto palletizer. When the sub bar 18 is not used, the rotary shaft 19 is retracted by the clutch cylinder 22. Then, by connecting the rotating shaft 19 and the sprocket 23 side by the clutch 20, the sub-bar retraction motor 25 moves the sub-bar 13 to the first position.
It can be retracted to the retracted position 37 shown in the figure.

[Effect of device]

As described in detail above, this invention is designed to convey two molded products taken by the press body to a molded product take-out position such as an auto palletizer by a sub-bar which operates in synchronization with the transfer bar. A large-sized molded product can be easily transported, and a smaller installation space is required as compared with a conventional conveyor or other transportation means. Therefore, a press having a small space can be easily installed. In addition, since the transfer bar and subbar are linked by a synchronous mechanism and the transfer bar drives the subbar synchronously, a dedicated drive source is not required for the subbar, and the synchronous drive mechanism is also configured by a rack or pinion. Because of its simple structure, the operation is reliable, and it can be manufactured at low cost.

[Brief description of drawings]

The drawings show one embodiment of the present invention, FIG. 1 is a plan view, FIG. 2 is a side view, and FIG. 3 is a view taken in the direction of arrow III in FIG.
FIG. 4 is an enlarged side view of the main part, and FIG. 5 is a sectional view of the same. 1 is a press body, 3 is a molded product, 4 is a transfer bar,
13 is a sub bar, 14 is a synchronous drive mechanism, 15 is a spline shaft,
20 is a clutch, 25 is a sub-bar evacuation motor, 28 is a sub-bar drive shaft, 30 is a rack, 31 is a pinion.

Claims (2)

[Scope of utility model registration request] 1. A transfer press in which a work is sequentially conveyed to each processing station of a press body 1 by a transfer bar 4, and a plurality of moldings, which are taken in a final step of the press body 1, on a unloading side of a molded product of the press body 1. A sub-bar 13 having a work supporting member 32 for holding the article 3 is provided between the transfer bars 4 so as to be parallel thereto, and a space between the sub-bar 13 and the transfer bar 4 is rotated by a feeding operation of the transfer bar 4. Synchronization of a spline shaft 15, a clutch 20 for transmitting the rotation of the spline shaft 15 to the subbar drive shaft 28, a pinion 31 for converting the rotation of the subbar drive shaft 28 into reciprocating motion and transmitting the reciprocating motion, and a rack 30. A molded product conveying device characterized by being linked by a drive mechanism 14. 2. A subbar retracting motor 25 connectable to a subbar drive shaft 28 by the clutch 20 is provided,
The molded article conveying apparatus according to claim 1, wherein the 13 can be retracted.