JPS6216911A - Coil conveyor - Google Patents

Abstract

PURPOSE:To shorten the time required for conveyance as well as to make installation so easy, by constituting a coil loading truck with a spare conveyor doing rapid traverse, a belt conveyor doing tact feed and progression, and an empty truck return conveyor for storage, in case of a coil conveyor for iron works. CONSTITUTION:A coil 8 is loaded on a truck 6 of a spare conveyor 2 at a mounting position K, and a pusher dock is engaged with this, traveling in direction of arrow. And, at the time of passing N point, an empty truck 6 is fed to the position K by a feeder 23 from a conveyor 3. If a preceding truck 6 exists at a position M on the spare conveyor 2, it is once stopped but if it is not there, it is shifted to a transfer position L. And, if making sure that the preceding truck 6 is not at an A point of a belt conveyor 1, the truck 6 is fed to the A point by a subconveyor 5, and these trucks are aligned on the belt conveyor 1 in consecutive order. And, a truck at a J point is unloaded and fed to the spare conveyor 3 for storage. With this constitution, conveying time is shortened and installation is easily performed.

Description

[Detailed Description of the Invention] (a) Industrial Use Public Funds The present invention relates to a coil conveying device mainly used in steelworks, and more specifically, a trolley carrying a coil is transported via a removable dock. The present invention relates to a conveyor system consisting of various conveyors, including a chain conveyor that is pulled by a chain.

(b) Conventional technology Conventional method (m) has a coil conveyor in which a predetermined link plate of a chain conveyor is shaped so that a coil can be placed thereon, and the coil is directly conveyed by the chain conveyor, and a trolley that runs on a rail. There is a method in which a coil is placed on a trolley and the trolley is pulled by a chain.

In addition, as shown in Japanese Utility Model Application No. 60-42407, the coil loading cart is configured to be pulled by a conveyor chain having a pusher dock, and the cart is fixed at the same interval as the chain pusher pitch. A coil-straight conveyor has been devised which is provided with a positioning fixing device for holding and a chain pusher engagement/disengagement device for operating engagement/disengagement between the bogie and the pushers.

←→ Problems to be Solved by the Invention In any of the coil conveyors, coils are conveyed by tact feeding that stops at a predetermined position in order to place or take out the coils. In a traction-type chain conveyor, the acceleration of the heavy coil acts on the chain each time it stops or starts, causing the chain to elongate considerably at a relatively early stage. As a result, in order to accurately stop the coil at a predetermined position, these types of coil conveyors require the chain to be rotated forward and reverse to adjust the stopping position, which results in time loss in the coil conveyance process and This is causing power loss.

On the other hand, the above-mentioned Coils!・A coil storage conveyor can relatively easily stop the coil in a predetermined position using a positioning and fixing device, but installing the coil storage conveyor over the necessary conveyance distance requires a relatively long conveyor, which imposes restrictions on equipment design. At the same time, fixing devices and chain pusher dock engaging/disengaging devices are installed at equal intervals throughout the long conveyor, which increases the number of these devices, leading to an increase in equipment costs and increasing the space between stations. Therefore, there is a possibility that the transportation time becomes longer.

Therefore, the present invention provides a coil that can be easily and accurately positioned and fixed in a predetermined position, can be installed easily and at low cost regardless of the conveyance distance, and can further shorten the conveyance time. The purpose of this invention is to provide a transport device.

(b) Means for solving the problem The present invention has been made in view of the above circumstances, and is
As shown in the figure, the conveyor system 5 includes a transport conveyor 1, a standby conveyor 2, an empty car return conveyor 3, and, if necessary, a sub-conveyor 5.

As shown in detail in FIG. 2, the conveyor 1 is
It consists of a trolley 6 that runs on rails and can carry a coil 8, and a chain 7 that is wound between sprockets 1-12, 13 and has a pulley dock, and further includes a predetermined number of stages, for example, 10. Stop the trolley at
A dolly positioning/stopping device for holding the dolly and a dock engaging/disengaging device for attaching/disengaging the Punya dock to/from the dolly are provided. Also,
As shown in detail in FIG. 3, the spare conveyor 2 includes a trolley 6,
and a chain 9 which is wound around sprockets 1-15.16 and has a pusher dock. Whereas the previous conveyor conveyor 1 is a progressive conveyor with each station A-J, the preliminary conveyor 2 has a coil 8. Transferring the loaded cart 6 from the loading position aK to the sub-conveyor 5
It consists of a rapid feed conveyor that transports up to L. Similarly, the sub-conveyor 5 also includes a truck 6 and sprockets 17 and 1.
Chain 10 wrapped around 9 and having a pusher dock
The transport conveyor 1 and the preliminary conveyor 2 are 1
1, the sub-conveyor 3 consists of two chains, and the sub-conveyor 5 is located between the transfer conveyor 1 and the preliminary conveyor 2, and the trolley 6 is connected to the preliminary conveyor 2. It is possible to transfer from the transfer conveyor 1 to the transfer conveyor 1 without any interference. Note that the upper conveyor paths of the conveyor 1, preliminary conveyor 2, and sub-conveyor 3 are on the same horizontal plane, that is, the rails that run and guide the platform 1i [6] and the rails that run and guide the platform 1i[6]. - The upper running paths of the engines 7, 9, and 10 are arranged on the same horizontal plane. Further, as shown in detail in FIG. 4, the protrusion IIL return conveyor 3 is located below the conveyors 1 and 2.5, and has a chain 11 having a pusher dock and a rail for suspending and supporting the trolley 6. Furthermore, the chain 11 is connected to the discharge side sprocket 1 of the conveyor 1.
Sprocket located in 3 parts!・20 and spare conveyor 1
It is wound around the positional shift sprocket 21 at the introduction side sprocket 15 part, and the empty truck can be transferred from the conveyor 1 to the return conveyor 3 by the feeder 22 at the discharge side sprocket 13 part.
At the same time, it can be transferred from the return conveyor 5 to the preliminary conveyor 2 by the feeder 23.

(E) Effect Based on the above configuration, as shown in FIG. 3, the coil 8 is loaded from a conveying device such as an overhead crane onto the trolley 6 of the standby conveyor 2 waiting at the loading position K. Then, the pusher dock of the backup conveyor 2 is engaged, and the trolley 6 is driven in the direction of the arrow. If there is another trolley at the transfer position, the trolley 6 is brought to an emergency stop at the previous M position, and If there is no preceding cart at the transfer position, the cart 6 passes through the M position and is conveyed to the transfer position gL to the sub-conveyor 5.

At this time, when it is confirmed by the sensor that the coil truck 6 has passed the position N, it is transferred from the empty car return conveyor 3 to the feeder 2.
At step 3, feeding of the empty truck to the loading position gIK begins.

If there is a preceding truck on the first stage A of the conveyor 1, the sub-conveyor 5 stops and the coil truck 6
is kept on standby at the transfer position, but when there are no preceding carts on the first stage pnA, the sub-conveyor 5 is activated and the coil cart 6 is transported to the first station A.

Then, as shown in detail in FIG. 2, on the conveyor l, the coil carts 6 are carried from the sub-conveyor 5 to the first stage pnA, and the carts 6 are filled in each of the ten stations A-J. and fixed with a trolley positioning and fixing device. In this state, the coil can be unloaded from the trolley 6 at any stage 9, but the coil can be unloaded from the cart 6 at any stage 1.
Be sure to unload the coil. For example, a coil consisting of a predetermined plate thickness, plate width, inner diameter, and outer diameter is station I.
(The coils of other NwIs are set to be unloaded at stage 3 and J.) Then, when unloading is completed, the pusher docks at stations H, I, and J are raised, and each trolley 6 is sent one pitch and fixed by the cart positioning and fixing device.In other words, the empty cart of the last stage Shin J is sent to the empty cart return conveyor 3, the cart of station ■ is sent to station J, and the cart of station H are respectively sent to station I. Then, station E
. That is, the cart from station G is sent to stage thin H, the cart from station F is sent to station G, and the cart from station E is sent to stage thin F. After that, in the same way, the carts of stages B, C, and D are each sent one pitch by the pusher dock, and the carts of stage 1-D are sent to stage 1-E, the carts of station C are sent to station D, and the carts of stage 1-B are sent to stage 1-B. The carts are each sent to the stage center C and fixedly held by a cart positioning device. Then, the pusher dock of stage shin A rises and the cart of the stage is sent to station B, which is now an airspace, and station A becomes an airspace. In this state, the cart 6 is transferred from the sub-conveyor 5 to station 8.

Further, as shown in FIG. 4, the empty truck 6 from station J on the transport conveyor 1 is sent to the empty truck return conveyor 3 via a sprocket 13 and a feeder 22. The return conveyor 3 is continuously operated,
The empty truck is stored in reverse until it collides with the preceding truck. Furthermore, when the loaded position K of the spare conveyor 2 becomes empty, the stored empty carts have their stoppers removed from their tips, are sent to the sprocket 15 of the spare conveyor 2 by the feeder 21, and are placed one by one at the loading position iK. Sent.

In addition, in the above explanation, the sub-conveyor 5 is provided, but
It is also possible to send the cart directly from the backup conveyor 2 to the transfer conveyor 1, omitting the sub-conveyor.

(F) Embodiments Hereinafter, embodiments of the present invention will be described with reference to FIGS. 5 to 10.

In addition, transport conveyor 1, spare conveyor 2 and service □
Since the conveyor 5 uses the same chain as the sub-conveyor 5, the only difference being the number of chain threads, the conveyor 5
Only this conveyor will be explained, and the explanation of other conveyors will be omitted.

The conveyor 1 includes a roller chain 7 as shown in FIG.
It also has a truck rail 30 and a chain rail 31 arranged on the base 29. As shown in FIGS. 6 and 7, the chain 7 is made up of an inner link 32 and an outer link 33 connected endlessly by a pin 35, and the pin 35 protrudes outward from the plate to form a roller 36. 3
6 is rotatably supported. In addition, the specified link 3
A bin 39 is disposed on the second link plate 32a, and plates 41 and 41 constituting the pusher dock 40 are rotatably supported on both outer portions of the link plate of the bin 39. The plate 41 has a dock engaging surface 41
a, the bolt 4 has a substantially upper shape having a jaw portion 41b, a leg portion 41c, and a protrusion 41d, and is located on the engagement surface 41a portion;
Both plates 41 are connected to each other at 2, and
An arm 45 is rotatably supported by a pin 43 provided on the protrusion 41d. The arm 45 is biased by a spring (not shown) so as to come into contact with a stopper 46 installed on the plate 41, and in the biased position, its tip engagement surface 45a sandwiches the axle 56 of the truck 6. Hold it like this. Further, a bin 47 is arranged at the tip of the leg 41'c of the plate 41, as shown in detail in FIG.
Further, auxiliary rollers 50, 50 are rotatably supported at both protruding parts 9. Further, a stop pin 51 is arranged on the link plate 32a, and when the rollers 49 and 50 are not in contact with a rail 52, which will be described later, the plate 41 is attached to the dock where the jaw 41b comes into contact with the stop pin 51 due to gravity. It is held in the non-engaged position (see the chain line in FIG. 7).

On the other hand, the chain rail 31 is made of steel having a U-shaped cross section, and rollers 36 at both ends of the chain 7 are fitted into and guided by the two rails 31, respectively. Further, a dock control rail 52 is installed at a lower intermediate position between these rails 31, 31, and the main roller 49 of the dock plate 41 rolls on this rail 52. The control rail 52 is swung vertically by air or hydraulic cylinders at each station A to J, and L, and constitutes a pusher dock attachment/detachment device.
It is designed to control the engagement and disengagement of the 0 from the trolley 6. Although not shown, a trolley positioning and fixing device operated by an air cylinder or the like is installed at each station A-J, and moves the trolley 6 removed from the dock 40 by a predetermined distance (for example, about 50+ m). It is configured to position and hold the cart at a regular position. Further, the rails 31 are disposed not only in the carriage feeding direction, that is, in the upper position but also in the lower position, and guide the chain 7 except for the sprocket position. In addition, in the return direction (lower position) of the chain 7, the dock plate 41 is attached to the bin 47 as shown in the lower part of FIG.
The portion is held back in a suspended position against plate 32a.

Further, the cart 6 includes an underframe 53 connected by a beam, and the underframe 53
The frame 55 projects upwardly at the four corners of the frame 53, and an axle 56 passes through and is supported by the front and rear portions of the underframe 53. Rolling rollers 57 are rotatably supported on both protruding end portions of the axle 56, and side rollers 58 are rotatably supported on bins installed vertically from the underframe 53. These rollers 57
, 58 transfer the truck rail 30, and the axle 56
is engaged with the pusher dock 40, so that the carriage 6
runs. Furthermore, an L-shaped tail metal fitting 54 is installed at the rear end of the truck 6, specifically at the center of the rear beam of the underframe 53, and at the front end of the truck 6, specifically at a portion away from the center of the front beam. A shock absorber 64 is installed.

In addition, the rail 30 is connected from the preliminary conveyor 2 to the sub-conveyor 5.
The conveyor 1 is continuously installed above it at the same level.

On the other hand, as shown in FIGS. 5 and 9, the empty car return conveyor 3 includes a chain 11 and a guide rail 59 for the chain.
and a truck rail 60 installed along the lower running portion of the chain 11.

The chain 11 consists of an inner link 61, an outer link 62, and a pin 63 connecting these links 61, 62, and a flanged four-wheeler 65, 65 is rotatably supported on the protruding portion of the pin 63. Furthermore, as shown in detail in FIG.
A protrusion 66a is formed at the tip of the predetermined inner link play 1, 66, 66 in the direction of movement of the chain 11,
A pin 67 is fixed to the protrusion 66n. An arm 70 constituting a pusher dock 69 is rotatably supported on the pin 67 via a bearing, and the arm 70 has an engaging recess 70a formed at its tip. The rotating position is regulated by contacting a stopper 71 fixed to the plate 62a. Furthermore,
The lower end surface of the dock arm 70 is a tapered surface 70b, and when the tapered surface 70b comes into contact with the tail metal fitting 54 at the rear end of the truck 6, the recess 70a is disengaged from the axle 56. On the other hand, the trolley rail 60 is made of a pair of shaped steel having a U-shaped cross section and is suspended and supported by the base 29, and the rolling rollers 57 of the trolley 6 are fitted and guided within the U-shaped rails 60, 60. At the same time, a side roller 58 rolls into contact with the side end surface. Furthermore, the chain rails 59, 59 are also made of a pair of shaped steel having a U-shaped cross section, and extend along the upper and lower running paths of the chain excluding the sprocket portion, and guide and support the flanged rollers 65, 65. .

Since the present embodiment has the above-described configuration, the coil loading cart 6 fast-forwarded by the preliminary conveyor 2 and the sub-conveyor 5 is further transferred to the 2nd to 10th stations at the first station A on the conveyor 1. It is stopped and held by the bogie positioning and fixing device at B-J. In this state, the control rail 52 is in the lowered position with the cylinder,
The dock 40 is not engaged with the axle 56, and the chain 7 is idle. Then, the coil 8 is unloaded from the predetermined cart 6,
Further, after the positioning and fixing device is released, when the control rails 52 of the predetermined station portions, for example, the 8th, 9th, and 10th stages 1 H, I, and J are raised, as shown in FIG.
The roller 4 on which the dock plate 41 moves on the rail 52
9 protrudes upward. In this state, when the pusher dock 40 portion of the chain 7 reaches the axle 56 of the trolley 6, the arm 45 first escapes downward against the spring, and the axle 56
6 is guided to the engagement surface 41a of the dock plate 41 and comes into contact with it. Then, the trolley 6 travels due to the engagement of the dock 40 and is sent to the next station, the traveling of the chain 7 is decelerated at a position close to the stage 1, and further stopped near the trolley positioning device, and Control rail 52 is lowered with a cylinder. Incidentally, the deceleration and stopping of the chain is performed using station G as a reference with respect to the stage hunches in front of a predetermined set of stage hunches, for example, the feed 9 of stations H, T, and J, and the tact feed of the next set is done accurately. Thereafter, the carriage positioning and fixing device is activated to stop and hold the coil carriage 6 at an accurate position.

In addition, the empty truck 6 sent from the 10th station J is
Together with the chain 7, it is held by the sprocket 13, reaches the lower part of the sprocket, and is further conveyed to the empty car return conveyor 3 by the air feeder 22.

In the return conveyor 3 section, the cart 6 is in the reverse position,
The rollers 57 are fitted and guided by the U-shaped rails 60, and as shown in FIG.
- 70 rotates downward around the pin 67 due to gravity, and the axle 56 of the truck 6 engages with the engagement recess 70a. Then, the trolley 6 is pulled by the continuously running chain 11 and transported together with the chain 11. The cart 6 is stored at a stopper at the tip of the conveyor 5, but as shown in FIG. The surface 70b comes into contact with the tail metal fitting 54 of the leading truck, the plate 70 rotates upward, and the engagement between the recess 7On and the axle 56 is released, and the shock absorber 64 at the tip of the truck comes into contact with the leading truck. and stop. Then, the truck 6 is transferred from the tip of the empty truck return conveyor 3 to the sprocket 15 of the spare conveyor 2 by the air feeder 23, and waits at the loading position K of the spare conveyor 2 to be loaded with a coil.

(G) As described in detail, according to the present invention, since the coil loading cart 6 is rapidly transported by the preliminary conveyor 2 to the transport conveyor 1 for tact feeding, the coil cart 6 can be accurately stopped at a predetermined position. However, the installation distance of the transport conveyor 1 is short enough, and by setting the length of the spare conveyor 2 appropriately, it is possible to easily design a rational conveyor system that suits the factory, and it is possible to easily adjust the positioning of the cart. The number of fixing devices and button engaging/disengaging devices can be set to the minimum necessary, resulting in a significant cost reduction.

Furthermore, the stage interval can be set short, and in combination with the presence of the preliminary conveyor 2, which is a fast-forwarding conveyor, the coil conveyance time can be shortened. In addition, since the empty car return conveyor 3 consisting of a storage conveyor is installed from the car discharge part 13 of the transport conveyor 1 to the spare conveyor 20 car introduction part 15, the number of stages can be reduced due to the spare conveyor 2. , the number of trolleys can be significantly reduced.

By combining the above effects, it is possible to construct an inexpensive and efficient conveyor system S for conveying coils.

[Brief explanation of drawings]

FIG. 1 is a schematic diagram showing a conveyor system according to the present invention;
FIG. 2 is a schematic diagram showing the transport conveyor, FIG. 3 is a schematic diagram showing the backup conveyor, and FIG. 4 is a schematic diagram showing the empty car return conveyor. 5 to 10 are views showing embodiments of the present invention, in which FIG. 5 is a sectional view taken along the line ■-■ in FIG. 1, FIG. 6 is a side view showing the conveyor, and FIG. 8 is an enlarged side view showing the dock portion, and FIG. 8 is a sectional view taken along the line ■--■ in FIG. 7. FIG. 9 is a side view showing the empty car return conveyor, and FIG. 10 is an enlarged side view showing the dock portion thereof. 1... Transfer conveyor, 2... Spare conveyor,
3... Empty truck return conveyor, 5... Sub conveyor, 6... Dolly, 8... Coil,
7゜9.10,11...Chain, 13...
Carriage discharge part (sprocket), 15... Carriage introduction part (sprocket), 30.60... Carriage rail, 31... Chain rail, 40...
・Pusher dock, 52... Dock control rail, 69... Pusher dock, AA-J・
...Station, K...Coil ggt position
, L... Cart transfer position, S... Coil transfer device (conveyor system) 0

Claims (1)

[Claims] (1) It consists of a trolley on which a coil can be placed and runs guided by a rail, and a chain having a pusher dock that engages and disengages from the trolley, and the trolley is pulled by the chain by engagement with the pusher dock, and A coil conveying device configured to release the traction by the chain when the dock is detached, the device comprising at least a transfer conveyor, a spare conveyor, and an empty car return conveyor, and the spare conveyor moves the car loaded with coils to the coil loading position. The transport conveyor is a rapid transport conveyor that rapidly transports the carriage from the carriage to a position where it can be transferred to the transport conveyor, and the transport conveyor is a progressive conveyor that transports the carriage in tact and fixes and holds the carriage at a predetermined number of stations. A coil conveying device characterized in that the return conveyor is a storage conveyor that conveys an empty truck from a truck discharge section of a transfer conveyor to a truck introduction section of a backup conveyor.