JPH04121994U - A device for attaching and removing anti-fall pins for forklifts used to transport printing press cylinders. - Google Patents

Abstract

(57) [Summary] [Structure] In a forklift for transporting cylinders of a printing press having a vertically movable support base 2 having a fork 1,
An actuating rod 5 is provided with a fall prevention pin 4 that can freely protrude and retract from the article placement surface of the fork 1, and is rotatably pivoted 3 to the fork 1 by an operating lever 11 provided near the driver's seat.
is rotated, and the movement causes the anti-fall pin 4 to appear and disappear. [Effect] When transporting a plate cylinder with a forklift, the anti-fall pin attached to the fork can be attached and removed simply by operating a lever from the driver's seat of the forklift, which quickly and reliably prevents damage to the plate cylinder. It can be exchanged and transported without any problems.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention is suitable for forklifts for transporting printing press cylinders, especially for rotary printing presses. A cylinder used for attaching and detaching plate cylinders, etc. supported on the side frames of the printing department. The present invention relates to an anti-fall pin attachment/detachment device for a transportation forklift.

0002

[Conventional technology]

Changing plate cylinders in rotary printing presses, especially gravure printing machines, is done manually. Or, if the plate cylinder is heavy, use a dedicated cylinder transport frame as shown in Figures 2(a) and (b). This is done using Oaklift. As shown in the figure, this type of conventional The lift supports the support base 2 having the fork 1 so as to be able to move at least vertically. It consists of a movable trolley and an equipment operation section with a driver's seat S. A plate is installed on the plate cylinder transport surface of the lift to prevent the plate cylinder from falling from the fork. The anti-rolling pin 4 of the trunk was removably fitted into the support portion 4'.

0003 Using this forklift for transporting the linter, the plate cylinder 12 is moved to the plate cylinder storage area and rotary. When transporting to and from the printing machine, the driver must first get off the driver's seat S and press the fork 1. To prevent the plate cylinder from falling after moving to the position and placing the plate cylinder 12 on the fork. After installing pin 4 and moving the forklift to the specified location, lower the plate cylinder. I got out of the driver's seat S again to remove pin 4. This is true for many Not only is this a time loss, but the plate cylinder may move unexpectedly when the pins are attached or removed, causing the plate cylinder to become damaged. This could cause damage to the machine and even injure the worker.

0004 Figure 2(b) shows a case in which two plate cylinders 12 are conveyed at the same time, but the anti-rolling pin is The procedure for attaching and detaching the plate cylinder to the fork is explained based on Figure 3. Fit the pin into the hole in the fork, transport in that state, and arrive at the specified position. After that, always perform work such as removing the anti-fall pin and lowering the plate cylinder from the fork. It needed to be done.

[0005]

[Problem that the idea aims to solve]

In view of this, the present invention allows one worker to quickly and reliably damage cylinders such as plate cylinders. A fork for the cylinder plate cylinder of a rotary printing press that can be exchanged and transported safely without being attached. An object of the present invention is to provide a device for attaching and detaching an anti-fall pin for a lift.

[0006]

[Means to solve the problem]

As a means to achieve the above object, the present invention provides a mechanism for transporting plate cylinders to be replaced. Only a lever device from the driver's seat of the oaklift is used to prevent falls attached to the fork. An operating rod associated with the lever operation allows the locking pin to be attached and removed. And I installed a fall prevention pin on the fork.

[0007] That is, the present invention supports a support base having forks so that it can at least move up and down. At the same time, a movable trolley and a fork that can freely appear and retract from the article placement surface of the fork. a provided anti-fall pin; and a anti-fall pin rotatably pivoted to the fork. an operating rod for actuation, and an operating lever provided on the support base for rotating the actuation rod; In a forklift for conveying cylinders of a printing press, characterized in that it is equipped with a Discloses and provides an anti-fall pin attachment/detachment device. What is the anti-fall pin and the operating rod? It may also be configured as one.

[0008]

【Example】

Embodiments of the present invention will be described below with reference to the drawings. Figure 1 shows a forklift for transporting cylinders of a printing press equipped with the configuration of the present invention. One of the pair of forks 1, 1 is shown. Do the same for the other fork. The mechanism is equipped and both are driven in synchronization. Attached to a trolley (not shown) The supported stand 2 is moved vertically by a normal jack device. Also, the file In addition to the vertical direction, the fork can also be used horizontally (back and forth, left and right) depending on the environment in which it is used. ) may also be used. In addition, the cylinder of the printing machine used here The configuration of the forklift for transportation is as follows, except for the mechanism of the anti-fall pin, which is explained below. Since the configuration is similar to a conventionally known one, detailed explanation will be omitted here.

[0009] In this embodiment, a fulcrum pin 3 is provided in the middle of the fork 1, An operating rod 5 having an anti-slip pin 4 at its front end is pivotally supported via the fulcrum pin 3. There is. A pair of left and right support rods 7 are fixed to a shaft 6 provided between the left and right forks 1, 1. The end 8 of this support rod 7 and the rear end 9 of the operating rod 5 are connected by a link 10. Ru. A change lever 11 is provided on the driver's seat side of the support base 2. 11 back and forth, the shaft 6 is set at the required angle via the gear transmission mechanism 12. It is configured to rotate.

0010 The rotational movement of the shaft 6 is converted into vertical movement by a support rod 7 fixed to the shaft, The movement is further transmitted via the link 10 to the rear end 9 of the actuating rod 5. That's it The operating rod 5 is rotated around the fulcrum pin 3, and the anti-fall pin 4 at the front end is in the operating position. position. In other words, the plate cylinder is placed on the fork. When doing so, position the anti-roll pin 4 to the operating position and lower the plate cylinder from the fork. Then, position the anti-fall pin 4 to the inactive position.

[0011] Here, the operating position is the position of the anti-fall pin above the product placement surface of the fork. The inactive position is the position below the fork's product placement surface to prevent it from falling. Refers to the position where the pin is positioned. The driver operates this forklift and positions it at the location of the plate cylinder to be replaced. Ru. Operate the change lever 11 from the driver's seat of the forklift and move the anti-fall bin 4. Set it in its inactive position and move the forklift forward slightly to release the fork. After positioning the article placement surface under the plate cylinder, raise the support stand 2 and place the plate cylinder on the fork 1. To support. After that, operate the change lever 11 again to move the anti-fall bottle 4 to its operating position. Preparation for transportation is completed by setting it in the position. The driver is this forklift drive the machine, go to the machine where the plate cylinder needs to be replaced, and perform the same operation to replace the plate cylinder. The torso replacement work is now complete.

0012 In the above explanation, if the anti-roll pin is configured as an integral part of the operating rod, Although we explained about the combination, the anti-fall pin and the operating rod do not necessarily have to be integrated. Alternatively, it may be composed of another member. In other words, the The anti-fall pin, which is provided so as to be able to move in and out, is connected to the actuating rod, which is constructed as a separate member. It can also be configured so that it can be operated by At that time, both cam mechanisms, links Interlocking movement is performed through an arbitrary mechanism such as a mechanism or a gear mechanism.

[0013] Also, a gear transmission means is shown as a means for rotating the operating rod 6 by the operating lever 11. However, this transmission means is not limited to this, and can also impart rotation to the operating rod 6. If it is a mechanism, for example, a link mechanism, a rotation mechanism using an electric motor, or a hydraulic manual. Of course, it is also possible to perform this through means such as a rotating mechanism using steps. In addition, although this example describes the conveyance of the plate cylinder, other cylinders of the printing press may also be used. When transporting the paper (winding shaft of the web, ink forming roller, impression cylinder, etc.) Of course it can be used.

[0014]

[Effect of the idea]

As mentioned above, the forklift for transporting cylinders of the present invention is designed to prevent falls. According to the pin removal device, when transporting the plate cylinder with a forklift, the forklift The anti-fall pin attached to the fork can be attached and detached by operating a lever from the driver's seat. This allows for quick and reliable exchange and transportation without damaging the plate cylinder. This effect is achieved.

[Brief explanation of drawings]

FIG. 1 shows a diagram of main parts of an anti-fall pin attachment/detachment device according to the present invention.

FIG. 2 shows a perspective view of a fork of a conventionally used forklift.

FIG. 3 is an explanatory diagram of a conventional procedure for attaching and detaching the anti-roll pin. 1...fork 7...
Support rod 2... Support stand 10... Link 3... Fulcrum pin 11... Change lever 4... Anti-slip pin 12... Plate cylinder 5... Operating rod 13... Plate shaft 6...
shaft

Claims (2)

[Scope of utility model registration request] 1. A support base having a fork is supported at least vertically movably and is also movable; an anti-fall pin provided so as to be able to protrude and retract from the article placement surface of the fork; A forklift for transporting cylinders of a printing press, characterized in that it is provided with an operating lever that is pivotably mounted to actuate a fall prevention pin, and an operating lever provided on the support base that rotates the operating lever. Fixing pin attachment/detachment device. 2. The anti-fall pin attachment/detachment device for a forklift for conveying cylinders of a printing press according to claim 1, wherein the anti-fall pin and the operating rod are integrated.