JPH01159114A - Processing of steel work - Google Patents

Abstract

PURPOSE:To make a factory to more compact and effective by plotting it into a handling, a storage, a transfer and a production section, in order, carrying steel works to the storage rack with a transfer truck, transferring them to production line for processing then and storing the steel product together with the truck. CONSTITUTION:In a handling section 3, steel works on trucks 25A and 25B are enloaded on a transfer truck 7 with a crane 23, carried to a storage section 4, stored on a material rack 38, brought to a transfer section 5 together with the truck 7 and attracted to a crane 67 one by one. An H-shaped steel is transferred on a drilling line 51A to a drilling machine 70A via conveyors 55A and 52A, a shearing machine 71B via an arm 80 and conveyors 79 and 74, to a drilling machine 70B via arms 80 and 81 and conveyors 77, 79 and 74, while a column is transferred to the shearing machine 71A via conveyors 60A and 57, to a beveling machine 72 via conveyors 73, 79 and 75 and finally taken out to a transfer section. The product is returned to the truck 7 by the crane 67, transferred to the storage section 4 and stored to a production rack 39 or a part rack 43 via the pallet 46 of a stock frame 62.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a method for processing steel materials such as H-shaped steel for construction by drilling, cutting, forming grooves, etc.

Conventional technology In the past, for example, when processing H-shaped steel, the H-shaped steel was transported by truck and unloaded to the raw material storage area in the factory using a crane, and the required T1-shaped steel was taken out by the crane and passed to the drilling line, where the drilling was carried out. While transporting the H-beams on a line, a drilling machine would perform the desired perforation, and then the H-beams would be transferred to a processing line where they would be cut, beveled, etc., and then transferred to the product storage area using a crane.

Problems to be Solved by the Invention According to the above-mentioned conventional format, the
Steel shapes tend to be complicated and cannot be dealt with quickly when needed. Also, when processing a large number of pieces, the H-shaped steel does not flow smoothly.
Retention may occur in certain areas.

An object of the present invention is to provide a steel processing method that allows raw materials to be stored and managed in an orderly manner, allows the raw materials to flow smoothly during processing, and allows the entire factory to be made compact and efficient. be.

Means for Solving the Problems In order to achieve the above object, the method for processing steel materials of the present invention is as follows:
A material handling section, a storage section, a transfer section, and a processing section are arranged in this order, and a transport trolley is provided that can freely run from the material handling section to the transfer section, and multiple steel materials are transported in the material handling section. The steel material on the transport trolley is then moved to the storage section and stored in the shelf. A transfer device transfers the steel materials one by one to a perforation line, and this perforation line transports the steel materials to the processing section while the perforation machine performs perforation.Then, the steel materials are transferred laterally and passed to a processing line, and the steel materials are transferred to the processing line. The steel material is transported to the transfer section while being processed by the processing machine, and the processed steel material is placed on the transport trolley by the transfer device.

Effects According to the configuration of the present invention, the Il! The placed steel materials (raw materials) are stored on the shelf together with this transport trolley, so that they are stored and managed in an orderly manner within the shelf.

During processing, the required steel materials can be quickly taken out along with the conveyance truck, and transferred one after another to the drilling line using a transfer device. The steel material that has finished drilling on the drilling line is moved laterally and handed over to the processing line, and the steel material (product) that has been processed on the processing line is placed on a transport trolley, so there is no need for processing. Steel material flows smoothly. The products on the transport trolley are either stored in a shelf together with the transport trolley, or are transported to a cargo handling section and loaded onto a truck.

Example An embodiment of the present invention will be described below based on the drawings.

Inside the rectangular factory partitioned by side walls 1 and ceiling 2, a material handling section 3, a storage section 4, a transfer section 5, and a processing section 6 are arranged in this order. A transport platform 117 is provided that can freely run between the central portions from the material handling section 3 through the storage section 4 to the transfer section 5. The main body 8 of the transport trolley 7 is formed into a rectangular flat frame body which is long in the front and back direction by a plurality of front and back frames 9 and left and right frames 10, and has a punched metal plate (Fig. (not shown) etc. will be provided. Four front and rear wheels 11 and four left and right wheels 12 are attached to the lower surface of the main body 8 so as to be freely rotatable, and crane cocks 13 are erected from three locations on both sides, front and rear. A plurality of insertion holes 14 are formed in the left-right frame 10, and by inserting rods 15 into the insertion holes 14, the top of the main body 8 can be divided into a plurality of sections in the left-right direction (width direction).

Such transport tables 1i7 are usually used as a set of two, and the opposing front and back sides are connected by a connector 16 such as a bolt or nut.

In the cargo handling section 3, a rail 20 for supporting and guiding the longitudinal wheels 11 is disposed on a total fJi machine 21, and its measured value is input to a general monitoring panel in a control room 22.

The overhead crane 24 supported and guided by the ceiling rail 23 is
Steel materials (raw materials and products) are transported between the large truck 25A or medium-sized truck 25B that has entered the cargo handling section 3 and the transport platform 1i7.
deals with

The steel materials are a flat steel plate 28, a column 29, and an H-type tIA 30 for supporting the connecting plate, and the H-type $30 consists of a central web portion 31 and a pair of 7-run 9 portions 32. We can also handle other steel materials such as angle materials, channel materials, pipes, and deck plates.

In the storage section 4 , a rail 35 for supporting and guiding the longitudinal wheels 11 is arranged on a lifting platform 37 of an elevator facility 36 . Then, with the elevator path inside, a raw material shelf 38 is erected on the - side, and a product shelf 39 is erected on the other side.
Self as a whole! It forms the lJa storage. Both shelves 38.3
Reference numeral 9 is capable of storing a plurality of sets of conveyance carts 7 in the vertical and horizontal directions, and shelf rails 40 and 41 for supporting and guiding the left and right wheels 12 are installed at each stage.

Further, the lifting platform 37 is provided with a lifting platform rail 42 that can be freely connected to these shelf rails 40, 41. In addition, the lifting and lowering drive of the elevator equipment 36, both 1138.39 and the lifting platform 37
The carriage can be moved between the two using chain, winch, hydraulic, or screw methods. A pair of parts shelves 43 are provided outside the parts shelf 39, and both parts 4
A forklift truck 44 that can freely travel between 143 and 143 is provided. In addition, in the cargo handling section 3 after leaving the parts @ 43, there is a booster arm 45 and a temporary storage section 4 for the basket-like pallet 46.
7 are arranged. A second floor 48 is formed outside the raw material shelf 38, and a hoist device 49 is installed here.

A rail 50 for supporting and guiding the anti-impact wheels 11 is laid in the center of the transfer section 5, and two perforation conveyors forming perforation lines 51A and 513 are provided on the sides!
[52A, 52B and one conveyor device 54 for carrying out forming the carrying out line 53 are arranged in parallel along the rail 50. These conveyor devices 52A.

52B and 54 are arranged up to the processing section 6. A plurality of chain-type stock conveyors 55A, 553 are arranged in parallel in the respective intersecting directions in both the perforation conveyor devices 52A, 52B. The stock conveyor 55B on the center side reaches the unloading conveyor system [54]. Further, on the other side of the rail 50, one transport conveyor device 51 forming a forward and reverse transport line 56 and one transport conveyor device 59 forming a transport line 58 are arranged along the rail 50. will be established.

These conveyor devices 57, 59 also have stock conveyors 60A, 60B similar to those described above. An overhead crane (an example of a transfer device) 67 supported and guided by a ceiling rail 66 is a magnetic crane having a suction cup 68, and includes a transportation trolley 7 and each conveyor device 52A, 52B.

Steel materials will be transferred between 54 and 57.59. On the outside of the conveyor device 59 for carrying out, there is a stock stand 6 of a connecting plate.
2 is disposed, and an extrusion f163 is further disposed on the outer side. The stock stand 62 also reaches the processing section 6, and a booster arm 64 and a temporary storage section 65 are arranged on the storage section 4 side.

In the processing section 6, perforations 970A and 70B are provided in a portion of the conveyor device 52Δ and 52B for perforation at a position close to the transfer portion 5, and holes 970A and 70B are provided at the end of the conveyor device 57 and 59 on the opposite side. A cutting machine 71A is placed on the opposing part.
, 71B are disposed, and a beveling machine 72 is further disposed in the center. A conveyor device 73 for conveyance facing the conveyor device 57 for conveyance, a conveyor device 74 for carrying out facing the conveyor device 59 for carrying out, and a return conveyor @75 facing the beveling machine 72 are arranged in parallel. A rotating device 76 is provided in the return conveyor device 75 . A plurality of upper conveyors 77 are disposed in intersecting directions between the inner perforation conveyor device 52B and the transport conveyor device 73. At least a basement 78 is formed in the processing section 6, in which the upper moving conveyor 7 is installed.
A lower conveyor 79 similar to 7 is provided. A first chucking arm 80 for transferring the steel material from the perforating conveyor devices 52Δ, 52B to either of the moving conveyors 77, 79; A second chucking arm 81 for passing is provided on the first floor, and passing portions 82 and 83 are formed in the floor. Furthermore, in the basement 78,
Perforation! 170A, a grit conveyor 85 for conveying grit generated in 703 and the bevel machine 72 to the bit 84
Also, a scrap conveyor 86 is provided to similarly carry out the scrap produced by the cutting machine 71.

Note that each conveyor device 52A, 52B, 54.57.
59°73, 74.75 are of the roller conveyor type, for example. In addition, it is possible to make the transport trolley 7 run in forward and reverse directions by providing a chain conveyor in each section 3, 4, 5, or by providing a self-propelled member that can be freely connected.

A repair crane 89 can freely run on a ceiling rail 88 arranged from the transfer section 5 to the processing section 6.

Next, the processing work of steel materials in the above-mentioned factory will be explained.

Trucks 25A and 25B loaded with steel materials (raw material n) stop at the cargo handling section 3. At this time, an empty transport table [17 is located in the load handling section 3, and a rod 15 is set by insertion. Track 25A.

The steel material on 25B is unloaded onto the transport trolley 7 by the overhead crane 23. Here, in FIG. 7, for convenience, various steel materials, ie, H-shaped steel 30. Flat plate! We sell products such as g28 and column 29, which are usually of the same type. The amount of steel material to be unloaded is measured and limited by a weighing machine 21. The transport platform 117 loaded with steel materials travels to the storage section 4 and stops on the lifting platform 37 of the elevator equipment 36, but may travel to the transfer section 5 depending on the situation. The conveyance cart 7 on the four-descend platform 37 is raised to the target stage, and is carried into the raw material shelf 38 by lateral movement using the left-right wheels 12 and stored there. Therefore, the steel materials are stored and managed in an orderly manner within the raw material shelf 38. During processing, the necessary steel materials are taken out onto the lifting platform 37 together with the transporting trolley 7, and then the transporting trolley 7 is driven to the transfer section 5. Next, the steel material on the transport trolley 7 is moved to the suction cup 6 of the overhead crane 67.
They are served and transferred one by one by 8,
The unloading position differs depending on the type of steel material.

In other words, in the case of the H-type 930, the items are unloaded and stocked one after another on the outside stock conveyor 55A, and then the items placed on the inside are sequentially transferred to the outside perforation conveyor device 52A.
passed to. Next, the H type $130 has a perforation line 51A.
It is conveyed in the length direction on the top, and when it stops, it is perforated @ 70A
A predetermined perforation is made by this method.

The H-shaped @30 that has passed through the perforation fi 70A is received by the first chucking arm 80 and passed through the passage portion 82 to the lower moving conveyor 79. Then, the H-type W430 that has reached the end of transport is passed through the passage section 83 by the second chucking arm 81 to the unloading competition 17 device 74, and when the transport is stopped, a predetermined portion is cut by the cutting machine 713. After the excess material is removed as scrap, it is transferred to an unloading conveyor device 59. Note that when cutting rs71A etc. is not used for other types, the first chucking arm 80]] type steel 3
0 is passed to the upper gvJ competition 1777, and cut while being conveyed by the conveyor device 73.
It can also be cut and taken out to the conveyor device 57.

In the case of flat steel 28, the inner stock conveyor 55B
conveyor device 5 for perforation.
While being transferred to 2B and being conveyed, when it stops, the punching machine 7
Predetermined drilling is performed by 0B.

A flat plate that passed through the drilling machine 703! 2g is either the moving conveyor 77, 79 or the chucking arm 80
, 81, etc., and then, based on the conveyance and stopping, a predetermined cut is made by the cutter 71B, thereby producing a connecting plate and taking it out onto the carrying out conveyor device 1f59.

In the case of column 29, pipes, deck plates, etc.
While being unloaded to the stock conveyor 60A, stocked, and transferred to the conveyor device 57 for conveyance,
At the time of stopping, a predetermined cut is performed by cut fs71A. The column 29 and the like that have passed through the cutting machine 71A are transferred onto the conveyor device 73, and are then laterally transferred by the upper conveyor 79 in the opposite direction to that described above. When bevel work is required for this column 29, etc., it is passed to the return conveyor [W175, and the beveling machine 72g1! 1, the intended beveling operation is performed, and after being reversed by the rotating device 76, the beveling operation on the opposite side is performed. Note that when only beveling work is performed, the cutting machine 71A may be allowed to pass without being operated. Column 29 and the like that have completed such work are transferred to conveyor 8 and 54 for carrying out.
It is taken out to the transfer section 5.

The H-shaped steel 30 Yacolumn 29, etc. that have been made into products and taken out to the transfer section 5 are returned onto the transport trolley 7 by the overhead crane 67, and the transport trolley 7 travels to the storage section 4 and is placed on the lifting platform 37. Although the vehicle stops, it may travel to the material handling section 3 depending on the situation. The transport cart 7 on the lifting platform 37 is raised to the target stage, and then moved laterally to the parts shelf 39.
will be transported and stored. Further, the connecting plate which has been made into a product and taken out to the transfer section 5 is transferred to the stock stand 62, and then extruded by the extruder f163. The connecting plate thus pushed out is received by the booster arm 64 and placed into the pallet 46 on the temporary storage section 65. The pallet 46 is transported by the forklift 1i44 and stored in the parts shelf 39, and other parts such as bolts and nuts are also stored in the parts 41139.

Note that a part of the pallet 46 in the parts@39 is taken out to a temporary storage section 47 by a forklift truck 44, so that orders can be quickly responded to.

Stocking in accordance with an order is performed as follows.

That is, the target conveying cart 7 in the product [39 is taken out onto the lifting platform 7, and the conveying platform 111!7 is moved to the material handling section 3. The products are loaded onto the trucks 25A and 25B by the overhead crane 24, but at this time only the products may be loaded, or the crane cock 13 may be used to load each transport platform $7. In the latter case, loading can be carried out quickly, but the empty transport trolley 7 must be returned. Pallet 46 on temporary storage section 47
A-da picking work is performed on the group using the booster arm 45, and the connecting plates, bolts, and
After nuts and the like are placed on another pallet 46, this pallet 46 is loaded onto trucks 25A and 25B.

Each of the above-mentioned operations is managed by a ¥22 control computer, and everything is automatically controlled.

Effects of the Invention According to the present invention having the above configuration, the steel materials (raw materials) placed on the transport trolley at the material handling site are stored in the shelf together with the transport trolley, so that they can be stored in an orderly manner within the shelf. Therefore, during processing, the required steel material can be quickly taken out together with the transport trolley.

Then, the steel materials taken out with the transportation trolley can be transferred one after another to the perforation line by a transfer device, and at this time, the steel materials that have finished perforating on the perforation line are moved laterally and delivered to the processing line, and then Since the steel products (products) that have been processed on the line are placed on a transport trolley, the flow of steel materials for processing can be carried out smoothly without any side blockage. Further, the products on the transport trolley can be neatly stored in a shelf together with the transport trolley, or they can be transported to a material handling section and loaded onto a truck.

By pouring and storing steel materials as described above,
The entire factory can be made compact and efficient.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention; FIG. 1 is an overall plan view, FIG. 2 is a view taken along arrow A-A in FIG. 1, and FIG.
-C arrow view, Fig. 4 is a C-C arrow view, Fig. 5 is a partially cutaway side view of the transport trolley, Fig. 6 is a plan view of the main part, and Fig. 7 is the same part. It is a notch front view. 3... Cargo handling department, 4. ...Storage section, 5.Transfer section, 6.Processing section, 7.Transportation trolley, 11.Fore-and-aft wheels, 12.Left-right wheels, 15.Rod. , 21... Hanging machine, 22... Control seedling, 2
4... Overhead crane, 28... Flat steel (steel material), 2
9... Column (steel material), 30... H type l1lI (I
lll material), 36... Elevator equipment, 37... Lifting platform, 38... Raw material shelf, 39... Parts shelf, 43.
...Parts shelf, 46...Pallet, 51A, 51B.
... Perforation line, 52A, 52B ... Conveyor device for perforation, 54 ... Conveyor device for carrying out, 57 ... Conveyor device for carrying out, 59 ... Conveyor device for carrying out, 6
1... Overhead crane (transfer device), 68... Suction cup, 70A. 70 (3... punching machine, 71A, 71B... cutting machine, 72... leading machine, 73... carrying out conveyor device,
74... Carrying out conveyor device, 75... Return conveyor device, 76... Rotating device, 77... Upper moving conveyor, 79... Lower moving conveyor, 80...
・1st chucking arm, 81...2nd chucking arm, 85...Zaraiko conveyor, 86...Scrap conveyor A1° Agent Yoshihiro Morimoto

Claims (1)

[Claims] 1. A load handling section, a storage section, a transfer section, and a processing section are arranged in this order, and a transport trolley is provided that can freely run from the load handling section to the transfer section, and multiple The steel materials are placed on a transport trolley, the transport trolley is driven to the storage section and stored in the shelf, the transport trolley taken out from the shelf is run to the transfer section, and then the steel material is placed on the transport trolley. The steel materials are transferred one by one to the perforation line by a transfer device, and the perforation machine performs perforation while transporting the steel materials to the processing section on this perforation line.Then, the steel materials are transferred laterally and passed to the processing line, where they are transported to the processing section. A method for processing steel materials, which comprises processing the steel materials using a processing machine while transporting the steel materials to a transfer section in a processing line, and placing the treated steel materials on a transportation trolley using a transfer device.