JPH0466658B2 - - Google Patents

Description

[Detailed description of the invention] <Industrial application field> The present invention relates to an article transport and sorting device.

<Prior art and problems> In an assembly line for products, it is considered to have one loading point for some products in order to keep the line layout compact and to reduce the number of conveyance devices. ing. For example, on a truck assembly line, there is a process for assembling suspension springs on both left and right sides of the front and rear parts of the frame, and it is intended that these springs be carried into one location. If the springs are to be carried into one place, the springs must be delivered to the other side of the line, but since there is a truck frame on the line and the springs are heavy, it is not possible to carry them using a crane or the like. However, the task is quite difficult.

The present invention has been made in view of the above circumstances, and provides a device for transferring articles carried into one side of a line to the other side of the line, thereby facilitating the article delivery work and making the line more compact. The purpose is to make it a reality.

<Means for Solving the Problems> In order to achieve the above-mentioned object, in the present invention, in order to assemble objects from both sides of the assembly line with respect to the objects being sent on the assembly line, A device for distributing supplied articles to both sides of an assembly line, which determines a traveling line for a self-propelled cart that conveys the articles to one side of the assembly line, and also determines a stop position for passing the articles on the traveling line. A running trolley is moved along a running line and stopped, and the moving trolley is moved forward and backward from the moving trolley stopped at the article transfer stop position, and the goods are transferred from the moving trolley to the other side of the assembly line. A first receiving device is provided on the same side of the assembly line to receive the articles held on the side, and an article receiving device is provided on the same side of the assembly line, and the first receiving device receives the article received first and moves forward and backward toward the upper part of the assembly line. A second device is provided on the same side of the assembly line, and on the other side of the assembly line, moves forward and backward toward the upper part of the assembly line to receive the articles carried above the assembly line by the article delivery device.
The present invention provides an article conveying and sorting device that is equipped with a receiving device, so that articles conveyed to one side of an assembly line can be sorted to both sides of the assembly line.

<Operation> According to the above device, the articles conveyed by the self-propelled cart on one side of the assembly line are delivered to the second receiving device via the first receiving device and the article delivery device, and are also transferred to the first receiving device. Goods are handed over and held. In other words, articles to be assembled from both sides onto the target object on the assembly line are kept on standby on both sides of the assembly line.

<Embodiment> The perspective appearance of an embodiment of the article sorting device according to the present invention is shown in the accompanying drawing. The embodiment shown here is an application of the present invention to the transportation of springs on a truck assembly line.

Reference numeral 1 denotes a truck assembly line, the main component of which is a chain conveyor 2. A frame, which is an object, is placed on the chain conveyor 2 and transported. On one side of the assembly line 1, a travel line for the self-propelled carts 3 is defined on the floor, and an article delivery stop position is determined in the travel line. In this embodiment, the self-propelled trolley 3
consists of a towing vehicle 4 with a self-propelled function and a plurality of towed carts 5 pulled by the towing vehicle 4, and two springs 6, which are articles, are placed on each towed cart 5. A guide line 7 is laid on the floor corresponding to the travel line, and the towing vehicle 4 moves along the guide line 7 while detecting the guide line 7. Towing vehicle 4
There are various possible guidance functions for the guide wire 7, such as a method in which the tow vehicle 4 detects a predetermined frequency emitted by the guide wire 7, a method in which the tow vehicle 4 detects a colored guide wire 7, and so on. The towing vehicle 4 is adapted to be stopped when the towed cart 5 reaches the article delivery position. A limit switch or the like is used as this stopping means.

A first receiving device 8 is provided between the assembly line 1 and the self-propelled trolley traveling line at the article delivery position. The first receiving device 8 has two parallel claws 9.
These claws 9 are designed to move up and down as well as to move forward and backward relative to the towed truck 5. Conventional mechanisms for moving the pawls 9 up and down and forward and backward can be used as they are; for example, the pawls 9 can be attached to the tops of crossed links and the links can be opened and closed using cylinders or the like. Therefore, the link 9 may be moved up and down, and the link itself may be moved forward and backward using a cylinder or the like.

An article delivery device 10 is installed near the first receiving device 8. This delivery device 10 is
A rail 11 laid perpendicular to the assembly line 1 to the vicinity of the assembly line, a bogie 12 mounted on the rail 11 so as to be freely movable, and a bogie 12 mounted on the rail 11.
It consists of a cylinder 13 that moves forward and backward with respect to the assembly line 1, and an article receiving section 14 that is provided at the front of the truck 12 so as to be movable up and down. The receiving part 14 has a structure that protrudes forward from the front part of the truck.

On the other side of the assembly line 1 is a second receiving device 15.
is provided. This receiving device 15 includes a rail 16 that is in a straight line between the rail 11 of the delivery device 10 and the assembly line 1, and a cart 17 that moves forward and backward with respect to the assembly line 1 on the rail 16.
, a pedestal 19 which is movable in and out of the trolley 17 and has an article receiving part 18;
It consists of a drive source that drives the pedestal 19.

Next, the conveyance and distribution of the springs 6 by the conveyance and distribution device having the above configuration will be explained.

The self-propelled truck 3 transporting the spring 6 is stopped when the towed truck 5, which directly supports the spring 6, reaches a predetermined stop position.

The claw 9 of the first receiving device 8 enters the towed truck 5 in a lowered state and enters under the spring 6 on the towed truck 5. The pawl 9 is then raised and the pawl 9 lifts the spring 6. In this state, the claw 9 retreats and returns to its original position.

The spring 6 on the claw 9 is attached to the receiving part 14 of the delivery device 10 in the retracted position using a hoist, crane, etc.
Translated above. At this time, the receiving portion 14 is in the raised state.

After the spring 6 has been taken out, the first receiving device 8 operates in the same manner as described above and waits to receive the other spring 6 on the towed truck 5. This spring 6 becomes a spring to be assembled on one side of the frame.

After the two springs 6 have been taken out from one towed truck 5, the self-propelled truck 3 is self-propelled along the travel line to the next transfer position. That is, a front spring assembly position and a rear spring assembly position of the frame each receive a spring.

In the delivery device 10, when the gap between the frames on the chain conveyor 2 of the assembly line 1 is detected, the cart 12 is moved on the rail 11 toward the assembly line 1 and stopped at the front end thereof. At this time, the receiving part 14 that supports the spring 6 is located above the chain conveyor 2. The receiving part 14 may not be raised in advance when receiving the spring 6, but may be raised at this time.

Next, the cart 17 of the second receiving device 15 on the other side of the assembly line 1 moves forward toward the assembly line 1, and when the cart 17 reaches the forward end, the cradle 19 extends and the receiving portion 18 of the second receiving device 15 moves forward toward the assembly line 1. into the underside of the spring 6 on the receiving part 14 of.

Next, the receiving part 14 of the delivery device 10 is lowered, and during the descent, the spring 6 on the receiving part 14 is moved to the second position.
It is transferred onto the receiving section 18 of the receiving device 15. When the receiving portion 14 is lowered, the cart 12 of the delivery device 10 returns to the retracted position.

When the spring 6 is moved onto the receiving part 18, the receiving stand 19 and the truck 17 of the second receiving device 15 return to the retracted position and stand by for transporting the frame. This second
The spring 6 on the receiving device 15 becomes the spring to be assembled on the other side of the frame.

In the above-mentioned conveyance sorting operation, all operations are performed automatically and continuously so that the end of one operation is detected by a limit switch and the next operation is started accordingly.

Although the above embodiment is applied to the transportation and distribution of springs, the present invention can be applied to the transportation and distribution of any article. Articles with special shapes can be accommodated by changing the shapes of the receiving parts and claws.

Further, in the embodiment described above, the receiving section 14 of the delivery device 10 and the receiving section 18 of the second receiving device 15 may be configured such that the receiving section 14 does not move up and down, but the receiving section 18 moves up and down.

<Effects of the Invention> According to the article conveying and sorting device according to the present invention, articles conveyed to one side of the line can be easily distributed to both sides of the line, and the article conveying device can be omitted and the entire line can be divided. Can be made compact.

[Brief explanation of the drawing]

The drawing is a perspective external view of an embodiment of the article conveying and sorting device according to the present invention. In the drawings, 1 is an assembly line, 2 is a chain conveyor, 3 is a self-propelled cart, 6 is a spring, 8 is a first receiving device, 9 is a claw, 10 is a delivery device, 14 is a receiving part, 1
5 is a second receiving device, and 18 is a receiving section.

Claims (1)

[Scope of Claims] 1. A device for distributing articles supplied to one side of the assembly line to both sides of the assembly line in order to assemble articles from both sides of the assembly line to the object being sent on the assembly line. , determining a running line for a self-propelled trolley for transporting articles on one side of the assembly line, and determining a stop position for passing the article in the running line, so that the self-propelled trolley moves and stops along the running line; A first receiving device that moves forward and backward with respect to a self-propelled trolley stopped at an article transfer stop position and sequentially receives an article to be delivered from the self-propelled trolley to the other side of the assembly line and an article held on one side. are installed on the same side of the assembly line, and an article delivery device is installed on the same side of the assembly line, in which the first receiving device receives the article received first and moves it forward and backward toward the upper part of the assembly line, while on the other side of the assembly line. An article transport and sorting device comprising a second receiving device that moves forward and backward above the assembly line and receives the articles carried above the assembly line by the article delivery device.