JPH04246018A - Loading conveyor device - Google Patents

Abstract

PURPOSE:To correct a position simply by man power when a load is dislocated sideward at time of loading on a loading conveyor device available for loading a plate on a plate stacker and so on. CONSTITUTION:In a loading conveyor device 1 provided with a roller conveyor 17 on a truck 15, a ball table 16 is installed on the top of this truck 15. In addition, a frame 18 of the roller conveyor 17 is set up on this ball table 16 free of movement in a direction orthogonal with a conveyor traveling direction.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a loading conveyor device used for loading articles into a plate stocker or the like equipped with an elevator.

0002

2. Description of the Related Art Conventionally, sheet material stockers have been used in sheet metal processing lines such as punch presses and laser processing machines to stack and store sheet materials by type on pallets. This type of board material stocker consists of multiple shelves and an elevator for loading and unloading the shelves. Load.

A loading conveyor device 50 shown in FIGS. 7 and 8 is used for this loading. Loading conveyor device 50
In this example, a rotatable roller conveyor 52 is provided on a cart 51, and as shown in FIG.

[0004] During loading, this loading conveyor device 5
0 enters the inside of the elevator frame 54 (FIG. 7) and lowers the elevator frame 54 below the upper surface of the roller conveyor 52. In this state, the transfer conveyor (not shown)
is moved to a position following the roller conveyor 52, and the pallet 5 is transferred from the transfer conveyor onto the roller conveyor 52.
Transfer 3.

A frame-shaped movable shelf 55 is provided on the elevating frame 54 so as to move forward and backward in the depth direction, and the pallet 53 transferred to the roller conveyor 52 is lifted onto the movable shelf 55 by raising the elevating frame 54.

[0006]

[Problems to be Solved by the Invention] When the plate materials W are loaded onto the roller conveyor 52 from the transfer conveyor, they are pushed together with the pallet 53 by hand.
The mounting position of the elevator may be shifted in the lateral direction (X direction) with respect to the lift frame 54 of the elevator.

If the pallet 53 is shifted in the lateral direction as described above, the pallet 53 may not be placed on the movable shelf 55 of the elevating frame 54. Therefore, it is necessary to correct the lateral position of the pallet 53, but since the material W is a heavy object made of sheet metal, the lateral position cannot be corrected manually.

Therefore, once the pallet 53 is pulled out from the roller conveyor 52 to its original position and its lateral position is corrected using a forklift or the like, the pallet 53 is pulled out again from the roller conveyor 52.
You will need to push it up. Therefore, it takes a long time to correct the position, and the loading time into the plate material stocker becomes long, resulting in a problem that the operating rate of the processing line decreases.

[0009] An object of the present invention is to provide a loading conveyor device in which the position of loaded items can be easily corrected manually when the loaded items shift laterally.

0010

[Means for Solving the Problems] The present invention provides a loading conveyor device in which a roller conveyor is provided on a truck, in which a plurality of freely rotatable members are provided on the upper surface of the truck, and the frame of the roller conveyor is connected to the freely rotatable member. It is installed on the top of the conveyor so that it can move freely in a direction perpendicular to the direction of conveyance.

[0011]

[Operation] According to this structure, the loaded items are placed on the roller conveyor by hand or the like from another conveyor following the roller conveyor on the truck. At this time, if the lateral position of the loaded object is misaligned, the entire frame of the roller conveyor is manually moved on the freely rotatable member of the truck to correct the position.

0012

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. 1 to 6. FIG. 3 is a side view showing the relationship among the loading conveyor device 1, the transfer conveyor device 2, and the plate material stocker 3. The plate material stocker 3 includes an elevator 7 that raises and lowers an elevator frame 5 that cantileverly protrudes from the stocker body 4 using a hanging rope 6.
It is equipped with

As shown in FIG. 4, the stocker main body 4 is provided with a plurality of stacking shelves 9 each having a pair of guide rails 8 having an L-shaped cross section on the inner surface of a side frame 4a facing each other. A cart-shaped movable shelf 10 is placed on each shelf 9 so as to be freely put in and taken out.

As shown in FIG. 5, the elevator frame 5 of the elevator 7 is formed in a U-shape in plan view, and its opposite side portions 5
The movable shelf 10 is placed so as to be movable back and forth along a. The movable shelf 10 is formed into a frame shape, and two loading conveyor devices 1 can enter into positions where they do not interfere with the frame material 10a. Following these loading conveyor devices 1, two transfer conveyor devices 2 are arranged.

As shown in FIG. 3, the transfer conveyor device 2 includes a transfer conveyor 11 consisting of a rotatable roller conveyor.
is installed on a base 13 by a parallel link mechanism 12 so that it can be raised and lowered, and is provided with a handle 11a. Transfer conveyor 1
When 1 is located at the lower end, as shown by the solid line in the figure, the height of the loading conveyor 1 and the conveying surface are at the same level, and when it is raised as shown by the chain line, the lower part is loaded. The conveyor device 1 can now pass through. The base 13 is composed of a pair of parallel divided bases so that the loading conveyor device 1 can pass through the center.

The loading conveyor device 1 is composed of a truck 15 movably installed on rails 14 and a roller conveyor 17 installed on the truck 15 via a ball table 16. As shown in FIG. 1, two loading conveyor devices 1 are installed in parallel so that a wooden pallet 24 carrying board materials W can be placed across both.

The frame 18 of the roller conveyor 17 is composed of a bottom plate 18a and a side frame 18b, and the bottom plate 18a is placed on the freely rotatable member 16a of the ball table 16. The freely rotatable member 16a is made of a steel ball, and is installed so as to be freely rotatable with a portion protruding from the top surface of the top plate of the ball table 16. The cart 15 includes a stopper that restricts the movement range of the roller conveyor 16 in the lateral direction (X direction) to a certain degree of width, and a stopper that restricts the movement in the conveying direction to almost impossible (neither of which are shown). is provided.

A regulating rod 19 is suspended from the lower surface of the frame 18 of the roller conveyor 17, and is connected to an air cylinder 20 installed laterally on the truck 15. The air cylinder 20 applies a driving force to return the roller conveyor 17 to the center position (origin position) even if it deviates in any lateral direction, and a double-acting type is used as the air cylinder 20. . These regulating rods 19 and air cylinders 20
The origin return device 21 is constituted by the above.

The air cylinder 20 is connected to a pneumatic source (not shown) via a valve 22, and the valve 22 is normally open toward the pneumatic source so as to drive the air cylinder 20 to return to its home position. . The valve 22 has an operating element 22a, and when the operating element 22a rides on a dog 23 on the floor, the valve enters a valve operating position in which both ports of the air cylinder 20 are opened to the atmosphere. The dog 23 is arranged at a position where it hits the operator 22a of the valve 22 when the loading conveyor device 1 comes to the position of the elevator 7 of the plate stocker 3 (the position shown in FIG. 3).

The operation of the above configuration will be explained. When taking out materials from the plate material stocker 3, the transfer conveyor 11 is moved to an upper position as shown by the chain line in FIG.
1 to wait below. In this state, the board material stocker 3 can freely move up and down the elevator 7 and move the movable shelves 10 to any level.
(Fig. 4) onto the lifting frame 5 and lift it up to a predetermined height. The board material W on this lifted movable shelf 10 is
For example, a loader (not shown) running along an erected rail
etc., to adsorb and separate the sheets one by one and transport them.

At the time of loading, first, as shown in FIG. 6A, the loading conveyor device 1 is manually pushed under the elevator 7 of the plate material stocker 3, and the lifting frame 5 of the elevator 7 is moved to the loading conveyor device. Lower it below the conveyance surface of No. 1. Next, the transfer conveyor 11 is lowered as shown in the same figure (B), and the roller conveyor 1 of the loading conveyor device 1 is
7 and the transfer conveyor 11 are made continuous. In this state, the wooden pallet 24 on which the plate material W is placed is transferred onto the transfer conveyor 11 from a forklift 25 or the like, as shown in FIG. 2C. The pallet 24 placed on the transfer conveyor 11 is manually transferred from the transfer conveyor 11 onto the roller conveyor 17 of the loading conveyor device 1.

In the loading conveyor device 1, at the elevator 7 position, the operator 22a of the valve 22 in FIG.
The air cylinder 20 for returning to the origin is in a free state, and the roller conveyor 17 can freely move in the lateral direction (X direction) on the ball table 16 of the trolley 15.

Therefore, when the placement position of the pallet 24 is shifted in the horizontal direction, the pallet 24 can be moved in the horizontal direction together with the roller conveyor 17 by hand, and the lifting frame 5 can be moved.
The horizontal center position can be corrected. With the elevator frame 5 centered in this manner, the elevator frame 5 is raised, and the pallet 24 is transferred from the loading conveyor device 1 to the movable shelf 1 of the elevator frame 5.
0 (Figure 5).

When the loading is completed, the transfer conveyor 11 is raised to the position shown by the chain line in FIG. 3, and the loading conveyor device 1 is returned below the transfer conveyor 11 as shown by the chain line in the figure. When the loading conveyor device 1 is returned from the position of the elevator 7, the operator 22a of the valve 22 (FIG. 1) moves away from the dog 23, so the air pressure from the air pressure source acts on the air cylinder 20, and the roller conveyor 17 moves to the carriage. 15 to the horizontal center position. Therefore, the loading conveyor device 1 can be drawn below the transfer conveyor 11 without the roller conveyor 17 interfering with the base 13 or the parallel link 12 of the transfer conveyor device 2. Also, during the next loading, the roller conveyor 17 remains biased and the pallet 24 is placed on top of it.
is prevented from being loaded.

In this way, even if the pallet 24 placed on the roller conveyor 17 is displaced in the lateral direction, the loading conveyor device 1 can easily correct the position by pushing the pallet 24 by hand. efficiency can be improved. Furthermore, after loading, the roller conveyor 17 automatically returns to the center position, thereby preventing interference and deviation during loading.

[0026] In the above embodiment, the ball table 16
However, a roller may be used instead of the freely rotatable member 16a made of a steel ball. In addition, the origin return device 2
1 does not necessarily have to be provided.

[0027]

[Effects of the Invention] The loading conveyor device of the present invention has a freely rotatable member on the truck, and the frame of the roller conveyor.
Since it is installed on the freely rotating member so as to be movable in the direction orthogonal to the conveyor conveyance direction, even if the load placed on the roller conveyor is misaligned laterally, the entire frame of the roller conveyor can be moved laterally on the freely rotating member. It can be moved. Therefore, there is an effect that the position can be easily corrected manually.

[Brief explanation of the drawing]

FIG. 1 is a front view showing a loading conveyor device according to an embodiment of the present invention.

FIG. 2 is a side view of the loading conveyor device.

FIG. 3 is a side view showing the relationship between the loading conveyor device and the plate stocker.

FIG. 4 is a front view of the plate stocker.

FIG. 5 is a plan view showing the relationship between the loading conveyor device and the elevator of the plate material stocker.

FIG. 6 is an explanatory diagram of a loading operation.

FIG. 7 is a perspective view of a conventional example.

FIG. 8 is a front view of the conventional example.

[Explanation of symbols]

Claims (1)

[Claims] 1. A loading conveyor device including a roller conveyor provided on a truck, wherein a plurality of freely rotating members are provided on the upper surface of the truck, and a frame of the roller conveyor is mounted on the freely rotating members perpendicularly to the conveying direction of the conveyor. A loading conveyor device characterized in that it is installed so that it can move freely in the direction in which it moves.