JPH0818670B2 - Work transfer device - Google Patents

Description

TECHNICAL FIELD The present invention relates to a work transfer device capable of efficiently transferring a work between stations.

[Conventional technology]

For example, in a building of a dry construction method, panels used to form walls, floors, and roofs are formed by adding face materials to the front and back of a frame structure in which frame materials are joined in a rectangular shape. In such a frame material for forming a panel, for example, as shown in FIG. 9, for example, connecting narrowed portions B, B are formed at both ends of a base body A obtained by cutting a long channel steel. It is produced by forming appropriate through holes C, screw holes D ..., Welding a mounting metal E if necessary, and applying rust preventive coating, finish coating, and the like.

In addition to the mounting site, various panels are used for such panels in accordance with the recent diversification of the preferences of residents, and thus it is necessary to prepare various types of frame materials W1, W2 ....

The processing line for such frame materials W1, W2 ...
Since there are a wide variety of necessary processing such as the through holes C, screw holes D, mounting hardware E, rust prevention, and finish coating provided in W1, W2 ..., independent processing equipment for each processing is installed in the factory. After arranging them, the frame materials W1, W2 ... Are processed while being transferred between the processing devices. Moreover, at this time, each frame material W1, W2 ...
The frame materials W1 and W2 located on the downstream side of the line are transferred to the upstream side processing device again or transported to the downstream side processing device due to the necessary processing procedure of ... and the temporary overloading of the processing device. It is also necessary.

For example, in such a panel frame processing device,
In order to improve the productivity, it is important to facilitate the transportation of the frame materials W1, W2 ... Between the respective processing devices or stations.

The present invention provides a horizontal feed conveyor on the upper surface of a vertically moving carriage and an operation panel arranged at each station, a reservation button for calling the carriage, a destination button for sending the carriage to another station, and a reference station. Basically, the completion reset button for sending the trolley and the enable button for enabling only the operation of the operation panel and disabling the operation of other operation panels are provided. The object of the present invention is to provide a work transfer device capable of improving the workability.

[Means for solving the problem]

In order to achieve the above-mentioned object, the work transfer device of the present invention is provided with a horizontal feed conveyor which feeds on a long rail arranged in a vertical direction and which transfers a work in a horizontal direction orthogonal to the rail on the upper surface thereof. , Which is provided with a bumper having a sensor for detecting the collision with an obstacle, and a receiving station which is arranged along the rail and receives a work from the dolly, and a transmitting and receiving station which sends and receives the work to and from the dolly While having a plurality of stations including, a reservation button located near each transmitting and receiving station for instructing each transmitting and receiving station to call the trolley, a destination button for instructing movement of the trolley to another station, and a work Return the truck to the reference station, which is one of the stations, together with the push button upon completion of the transmission / reception of With arranging the operation panel having a Shimesuru complete reset button, each control panel is provided with a valid button to enable only operation of the operation panel invalidates the operation of the other operation panel.

[Action]

The horizontal feed conveyor provided on the upper surface of the carriage traveling on the rails arranged in the vertical direction facilitates the transfer of the work to and from the stations arranged along the rails.
Further, the station includes the receiving station for receiving the work and the transmitting / receiving station for transmitting / receiving the work, whereby the arrangement of the stations in the line can be rationalized, and the productivity of processing the work is enhanced. Further, since an operation panel having a reservation button for instructing the call of the carriage to the transmitting / receiving station is arranged in the vicinity of the sending / receiving station, the carriage can be easily called and the work can be received and sent out smoothly.

Since the trolley has a bumper that detects collision with obstacles, it prevents danger and enhances safety, and the operation panel also has a destination button that directs the trolley to move to another station. Further, since the completion reset button for instructing the return to the reference station as the reference upon completion of the transmission and reception is provided, the operability is further enhanced, the trolley can be efficiently used, and the transfer of the work can be made efficient.

〔Example〕

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

1 and 2, the work transfer device 1 includes a carriage 3 traveling on a long rail 2 arranged in a vertical direction, and a plurality of stations S arranged along the rail 2 and a carriage. Operation boards T1 to T4 for operating the movement of the carriage 3 are provided, and the carriage 3 has a transverse feed conveyor 4 on its upper surface.
And bumpers 5 and 5 are arranged in the longitudinal direction. In this example, the frame members W1, W2 ... Are handled as the work W.

Further, the station S is located on the downstream side of the rail 2 and receives the work W from the trolley 3, and the station S is located on the upstream side and receives and sends the work W to and from the trolley 3. In addition to the stations ST1 to ST4, a reference station SS is provided on the upstream side thereof, on which the work W is loaded on the carriage 3 and which indicates an original position which serves as a reference for the movement of the carriage 3. The work W is loaded on the pallet p and is transported for each pallet p.

The trolley 3 is driven by the reduction motor 12 on the base 11.
Wheels 13 that roll on the rails 2 are provided, and the transverse feed conveyor 4 is a chain conveyor that rotates a plurality of endless chains 16 ... In this example. Further, the endless chain 16 is, for example, a conveyor chain having an attachment 16A as illustrated in FIG. 3, and the endless chain 16 is a recess provided on the upper surface of the base 11 in the direction orthogonal to the rail 2. Attachment in the groove and on the upper running line
By projecting 16A from the upper surface of the base 11 and circling,
The work W on the endless chain 16 can be moved laterally via the pallet p.

The bumpers 5 and 5 are provided at the front and rear ends of the base 11 in the traveling direction. The bumpers 5 and 5 use a spring or the like for a contact plate 17 extending over the lateral length of the base 11. A sensor 19 is provided so as to be able to move backward toward the base 11 due to a collision, and a sensor 19 for detecting the backward movement is provided. In addition, a warning device provided with a rotating lamp and a buzzer that sounds while the truck 3 is running.
20 are provided.

The reduction motor 12 and the transverse feed conveyor 4 are supplied with electric power from a trolley wire 21 arranged between the rails 2, and the trolley wire 21 sends and receives control signals for controlling the entire operation of the carriage 3. .

Each of the stations S ... is a feed conveyor in the vicinity of the rail 2 and having a conveyance surface at the same height as the transverse feed conveyor 4.
It consists of a moving table 24 provided with 23. The feed conveyor 23 is
It can also be formed by using an endless chain 16 similar to the transverse feed conveyor 4.

Further, in the transmission / reception station ST1, a processing machine M1 for processing the narrowed portion B on the frame material W1 shown in FIG. 6, and in the transmission / reception station ST2, a processing machine M for processing the through hole C and the screw hole D.
2 and the processing station M3 for welding the mounting hardware E to the transmission / reception station ST3, and the processing machine M4 for rust prevention and finish coating is adjacent to the transfer table 24 at the transmission / reception station ST4. The transfer table 24 of the receiving stations SA1 and SA2 classifies the frame members W1 and W2 into different types and conveys them to a temporary assembling device (not shown) for temporarily assembling the frame members W1 and W2. Further, the reference station SS can carry the work W into the carriage 3 by the transfer table 24.

Operation panels T1, T2, T3, and T4 are arranged near the transmission / reception stations ST1 to ST4, respectively.

FIG. 4 exemplifies the arrangement of buttons and lamps on the operation panel T2 arranged near the transmission / reception station ST2. In FIG. 4, a circle indicates a lamp, a double circle indicates a push button switch with illumination, and the lamp indicates a push button of the push button switch or a push button of a corresponding push button of another operation panel. Can be turned on as appropriate.

In the upper part of the operation panel T2, there is an abnormality such as the operation of the sensor 19 due to the contact between the operation preparation lamp L1 indicating the completion of the operation preparation by turning on the main switch of the control panel (not shown) and the obstacle of the bumper 5. Abnormal lamp that lights up when it occurs
Only the operation of L2 and operation panel T2 is valid, other operation panel T1,
Valid button P3 for invalidating the operations of T3 and T4 and the operation panel T2
Loading of a work W between the station S and the trolley 3, and an effective lamp L3 that lights up only when
Along with pushbuttons for completion of sending and receiving such as loading and unloading, trolley 3
A completion reset button P4 for instructing return to the reference station SS and a completion reset lamp L4 lit by a push button of the completion reset button P4 are provided.

Further, on the upper stage of the operation panel T2, a manual button P5 used for manually operating the carriage 3 and a manual lamp L5 illuminated by a push button of the manual button P5, and a conveyor for operating the transverse conveyor 4 to the right when manually operated. Right button P6 and its lamp L6, conveyor left button P7 and its lamp L7 moving to the left, carriage upstream button P8 and its button L8 moving the truck 3 to the upstream side, truck downstream button moving the truck to the downstream side
P9 and its lamp L9 are arranged in a horizontal row.

Furthermore, in the middle, there is a trolley 3 at the reference station SS.
With the push button, a reservation button P10 for calling to the transmission / reception station ST2 and a reservation lamp L10 lit up by the push button of the reservation button P10 are arranged. A destination button PS that sends the cart 3 to the reference station SS along with the reservation button P10
And its destination lamps LS, destination buttons PT1 to PT4 for instructing the movement of the trolley 3 to the transmission / reception stations ST1 to ST4, and destination lamps LT1 to LT4 lit by these push buttons, and the trolleys 3 to the receiving stations SA1 and SA2. Destination buttons PA1 and PA2 for instructing movement and destination lamps LA1 and LA2 lit by their push buttons are arranged.

Along with them, a start button P11 and its start lamp L12 for starting the trolley 3 by a push button, a clear stop button P12 for releasing the command to the trolley 3 and stopping the trolley 3 and its clear stop lamp L12 are arranged. To be done. Position lamps LLS, LLT1 to LLT4, LLA1, LLA2, which indicate the current position of the trolley 3 for each station SS, ST1, ST2, ST3, ST4, SA1, SA2, are arranged in the lower row, and an emergency stop button is also provided. P13 is installed.

Such operation panels T1 to T4 are connected to the central processing unit CT as shown in FIG.
Is transmitted to the control device of the carriage 3 via the trolley wire 21 to control the traverse conveyor 4 while the carriage 3 travels and stops, while the central processing unit CT also controls each station S
The feed conveyor 23 is also appropriately controlled, and the transfer of the work W is automated by using the operation panels T1 to T4.

The operation using the operation panels T1 to T4 of the work transfer device 1 will be described below by taking the operation panel T2 as an example.

(A) When the carriage 3 is called and transported to the reference station SS after the work.

(A-1) When the trolley 3 is at the reference station SS.

As shown in FIG. 6, the operation preparation lamp L1 of the operation panel T2 is turned on by the input of the power source in the control panel. The position lamp LLS is lit because the carriage 3 is located at the reference station SS. As described above, as the carriage 3 moves, the position lamps LLS, LLT1 to LLT4, LLA1, LLA2 of the station S where the carriage 3 is located are sequentially turned on.

In this state, by pressing the reservation button P10, the reservation lamp L10, destination lamp LT2, start lamp
At the same time as L11 lights up in sequence, the carriage 3 moves and arrives at the transmission / reception station ST2. Booking lamp L1 upon arrival
0, the destination lamp LT2 is extinguished, only the operation panel T2 is effective, and the effective lamp L3 for disabling the operation by the other operation panels T1, T3, T4 is turned on. During this period, the work W
The loading and unloading operations are automatically performed with the detection of the stop of the trolley 3 by the proximity switch (not shown) arranged at the sending / receiving station ST2.

Next, for example, to move to the transmission / reception station ST4, the destination button PT4 is pushed. Destination lamp LT4 lights up. By turning on the start button P11, the start lamp L11 is turned on and the valid lamp L3 is turned off. Further, the dolly 3 arrives at the transmitting / receiving station ST4. Upon arrival, the effective lamp L on the control panel T4 of the station ST4
Along with 3, the completion reset lamp L4 lights up. Further, after confirming that the loading and unloading of the works are completed, the completion reset button P4 of the operation panel T4 is pushed. By the push button, the destination lamp LS is turned on, the truck 3 is moved to the reference station SS, the destination lamp LS is turned off, and the truck 3 stands by at the reference station SS.

When the destination is designated to the receiving stations SA1 and SA2 instead of the transmitting / receiving stations ST1 to ST4, it is possible to automatically move to the reference station SS when the work is completed without pressing the completion reset button P4.

(A-2) When the trolley 3 is in a place other than the reference station SS or is running, and when the trolley 3 is loaded with works, after moving to a station S designated in advance and receiving the work W, It moves to the station S reserved by the reservation button P10 together with the push button of the completion reset button P4.

Further, when the trolley 3 is moving to the reference station SS by an empty load by the completion reset button P4, it can be moved to the reserved station S together with the push button of the reservation button P10.

(B) When operating the trolley 3 remotely, (B-1) When the trolley 3 is running.

As shown in FIG. 7, the clear stop button P12 is pushed to stop the trolley 3 and then the valid button P3 is pushed to light the valid lamp L3 and the manual button P5 is used to manually switch. The manual lamp L5 is turned on, and the truck 3 is moved to the nearest station S using the truck upstream button P8 and the truck downstream button P9. Then the manual button P5
Is turned off to turn off the manual lamp L5, and a desired destination button, for example, the destination button PT4 is pressed to light the destination lamp LT4. Further, by pressing the start button P11 to light the start lamp L11, the effective lamp L3 is turned off. Further, as the carriage 3 moves to the transmission / reception station ST4, the effective lamp L3 and the completion reset lamp L4 are turned on. After the work of receiving the work W is completed, the destination lamp LS is turned on by the push button of the completion reset button P4, and the destination lamp LS is turned off at the same time when the carriage 3 arrives at the reference station SS.

When the carriage 3 is re-moved to another station prior to the above work, the clear stop button P12 is turned on, the effective lamp L3 is turned off, and the effective button P3 is pushed again as shown in the line (U). Return to (a) in FIG.

(B-2) When the trolley 3 is waiting at the reference station SS, as shown in FIG. 8, after confirming that the driving preparation lamp L1 is lit, the enable button P3 of the operation panel T2 is turned on and the desired destination is reached. A button, for example, the destination button PT4 is pushed and then the start button P11 is pushed to return to the line (i) in FIG.

C Manual operation By pressing the valid button P3 and manual button P5 on the control panel T2, the conveyor can be operated manually using the right and left buttons P6 and P7, the truck upstream and downstream buttons P8 and P9, and the manual button P5. Automatic operation can be achieved by turning off.

In this way, the transfer of the work between the stations S can be automated, and the carriage 3 can be freely called up when necessary.

〔The invention's effect〕

By a transverse feed conveyor provided on the upper surface of a carriage traveling on a rail arranged in the vertical direction, it is possible to send and receive a work between a station arranged along the rail, and the station, a receiving station for receiving the work, By including a transmission / reception station for transmitting and receiving the work, the arrangement of the stations in the line can be rationalized in accordance with the processing process, and by appropriately arranging the stations, the productivity of the processing of the work is improved. Further, since an operation panel having a reservation button for instructing the call of the carriage to the transmitting / receiving station is arranged in the vicinity of the transmitting / receiving station, the carriage can be easily called and the work can be smoothly received and sent.

In addition, the truck is equipped with a bumper that detects collisions with obstacles, which prevents danger and enhances safety.
The operation panel is further provided with a destination button for instructing the movement of the dolly to another station and a completion reset button for supporting the return to the reference station that is the reference when the transmission and reception are completed. The efficiency of the carriage can be improved and the work can be efficiently transferred. Also, since each operation panel is provided with an enable button that enables only the operation of that operation panel and disables the operation of other operation panels,
It becomes possible to remotely operate the trolley from the nearest operation panel while eliminating erroneous operations by other operation panels, further improving safety and further improving operability of the apparatus.

[Brief description of drawings]

FIG. 1 is a perspective view illustrating a truck and a station, and FIG.
FIG. 3 is a plan view showing the outline of the apparatus, FIG. 3 is a perspective view illustrating a chain used in a lateral feed conveyor, FIG. 4 is a front view illustrating the button arrangement of the operation panel, and FIG. 5 is an operation panel of the apparatus. FIG. 6 is a plan view schematically showing a connected state, FIGS. 6 to 8 are schematic diagrams showing an operation procedure, and FIG. 9 is a perspective view illustrating a work. 2 ... rails, 3 ... trucks, 4 ... transverse conveyors, 5
…… Bumper, P3 …… Valid button, P4 …… Complete reset button, P5 …… Manual button, PS, PST1 to PT4, PA1, PA2…
… Destination button, P10 …… Reservation button, S …… Station, SA1, SA2 …… Receiving station, SS …… Reference station, ST1 to ST4 …… Transmitting station, T1 to T4 ……
Operation board.

Claims (1)

[Claims] 1. A horizontal feed conveyor for feeding on a long rail arranged in a vertical direction and for transferring a work in a horizontal direction orthogonal to the rail is provided on an upper surface thereof, and is provided with an abutment against an obstacle in front and rear of the vertical direction. While comprising a carriage provided with a bumper having a sensor for detecting, and a plurality of stations including a receiving station arranged along the rail and receiving a work from the carriage and a transmission / reception station for transmitting and receiving the work to and from the carriage, A truck with a reservation button located near each transmission / reception station to instruct each of the transmission / reception stations to call the truck, a destination button to instruct the movement of the truck to another station, and a push button upon completion of the transmission / reception of the work. A completion reset button that directs the return to one of the stations, which is the reference station. That with arranging the control panel, to the operation panel, the workpiece transfer device formed by providing an effective button to enable only operation of the operation panel invalidates the operation of the other operation panel.