JPH04279442A - Method and device for undoing bundled long objects - Google Patents

Abstract

PURPOSE:To enable undoing a bundle of long objects in an unmanned setup and with a high productivity. CONSTITUTION:In undoing a bundle of long objects 11 by cutting a band 12, the band 12 when the bundle 11 is being conveyed is cut at the part contiguous to a space 20 left by the bundling between the band 12 and an adjacent long object 11 by means of a cutting tool 15 provided in the path of the conveyance.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an unbundling method and apparatus for mechanically unbundling a binding material used to bind long materials such as steel pipes.

0002

2. Description of the Related Art Long materials such as steel pipes are temporarily stored in a roughly cut state after being rolled, and then bundled once before being moved. The device that mechanically performs this binding is
For example, various proposals have been made, such as in Japanese Patent Application Laid-Open No. 54-118078.

0003

[Problems to be Solved by the Invention] However, when the long materials are bound together as described above, it is necessary to cut the bundled material during subsequent processing. This unbundling is performed by a person using a cutter to cut the binding material such as a band plate or wire. Therefore, there are the following problems (1) and (2).

[0004] ■ Personnel are required.

(2) Since the binding materials are provided at multiple positions in the longitudinal direction of the long material, it takes a long time to cut the material, resulting in a decrease in productivity.

[0006] An object of the present invention is to make it possible to unbundle long materials unattended and with high productivity.

[0007]

[Means for Solving the Problems] The present invention as set forth in claim 1 provides an unbundling method for cutting a bundle of long materials, in which adjacent materials are A portion of the binding material corresponding to the gap formed between the long material and the binding material is cut by a blade provided during the conveyance process.

[0008] The present invention according to claim 2 provides an unbundling device for cutting a bundle of long materials, which includes a transport conveyor for transporting the bundled long materials, and a transport conveyor that transports the bundled long materials, and a It is configured to include a blade provided at a position capable of cutting a portion of the binding material corresponding to a gap formed between adjacent elongated materials and the binding material.

The present invention according to claim 3 provides an unbundling method for cutting a bundle of long materials, in which adjacent long materials are cut by the bundle upstream of the process of conveying the bundled long materials. A gap formed between the material and the binding material is detected, and downstream of the detection, a blade provided in the middle of the conveyance process is set on the binding material part corresponding to the gap, and the blade cuts the binding material part. It was designed to do so.

The present invention as set forth in claim 4 provides an unbundling device for cutting a bundle of long materials, which is provided with a transport conveyor for transporting the bundled long materials, and a transport conveyor provided upstream of the transport process, A sensor that detects the gap formed between adjacent long materials and binding material is installed downstream of the conveyance process, and can be raised and lowered above and below the conveyor surface level, and at right angles to the conveyor surface below the conveyor surface level. A blade that can be moved horizontally in the direction, and a blade that can be moved horizontally and vertically in accordance with the detection result of the sensor to set the blade at the binding material portion corresponding to the gap, and to cut the binding material portion with the blade. It is configured to include a control device for causing lateral movement.

[0011]

[Operation] According to the present invention as set forth in claims 1 and 2, the following
, ■ has the effect.

(2) When the binding material passes through a knife during the transportation process, it is automatically cut by the knife. Therefore,
It is uninhabited.

(2) Since the cutting operation with the blade is performed during the conveyance process, the time spent only for unbundling during the production process of the long material is zero, and productivity can be improved.

According to the present invention as set forth in claims 3 and 4, in addition to the effects (1) and (2) above, there is the effect (2) below.

■ Due to the presence of the sensor and the control device, the part of the binding material corresponding to the gap formed between the adjacent long materials and the binding material can be positioned at any position on the transport conveyor in the direction perpendicular to the transport direction. Even when passing through, the binding material portion can be cut by laterally moving the blade to an appropriate position.

[0016]

[Embodiment] Fig. 1 is a side view showing an example of the unbundling device of the present invention, Fig. 2 is a cross-sectional view taken along line II-II in Fig. 1, and Fig. 3 is Fig. 1 in Fig. 1.
4 is a side view showing the main parts of FIG. 1, FIG. 5 is a sectional view taken along line V-V in FIG. 4,
FIG. 6 is a block diagram showing the control system.

The unbundling device 10, as shown in FIGS. 1 and 6,
The binding material 12 of the long material 11 (such as a steel pipe) is cut.

The unbundling device 10 includes a conveyor 13, a sensor 14, a cutter 15, and a control device 16.

As shown in FIGS. 1 to 3, the conveyor 13 has a conveyor roller 18 driven by a drive unit 17, and side rollers 19 arranged on both sides of the conveyance area of the conveyor roller 18. .

As shown in FIGS. 1 and 2, the sensor 14 is provided upstream of the conveyance process by the conveyor 13, and is located in the gap (valley) formed between the adjacent long materials 11 and the binding material 12 due to binding. Detect the position of part) 20.

As shown in FIGS. 1 and 3, the cutter 15 is provided downstream of the conveyance process by the conveyor 13, and can rise and fall above and below the conveyor surface level of the conveyor 13, and can be conveyed below the conveyor surface level. Can move horizontally at right angles.

As shown in FIGS. 4 and 5, the cutter 15 is fixed to a tool rest 21, and the tool rest 21 rotates around a support shaft 23 provided on a pedestal 22. It is mounted so as to be linearly movable in the axial direction (direction perpendicular to the transport direction of the transport conveyor 13).

A servo motor 24 is installed on the pedestal 22, and a lateral moving table 25 is supported so as to be movable in the axial direction of the support shaft 23. Screw it onto the moving table 25,
Furthermore, the lateral movement table 25 and the tool rest 21 are linked so that they can move together in the axial direction of the support shaft 23, and as a result, the servo motor 24
The blade 15 can be moved laterally by the operation.

[0024] Also, an air cylinder 27 is installed on the lateral moving table 25.
is installed, and connects the rod tip of the air cylinder 27 and the tool rest 21 so that they can move together in the circumferential direction of the support shaft 23, and as a result, the blade 15 can be raised and lowered by the operation of the air cylinder 27.

The control device 16 controls the servo motor 24 and the air cylinder 27 according to the detection result of the sensor 14. As a result, the control device 16 allows the cutter 15 to be placed face down below the level of the conveyor surface of the conveyor 13.
The blade 15 is moved laterally by the operation of the servo motor 24, and the blade 15 is set at the portion of the binding material 12 corresponding to the gap 20. Then, the control device 16 moves the blade 15 set to the portion of the binding material 12 corresponding to the gap 20 to the air cylinder 2.
The binding material 12 is raised by the operation of 7, and during the conveyance process of the long material 11 by the conveyor 13, the binding material 12 is cut by the cutter 15.
Cut the pieces.

However, according to the unbundling device 10, the long material 1
The binding material 12 of No. 1 is cut and unbundled as shown in (1) to (3) below.

(1) Upstream of the process of conveying the bundled long materials 11 by the conveyor 13, the sensor 14 detects the gap formed between the adjacent long materials 11 and the binding materials 12 due to the bundling. 20 is detected.

(2) Cutting tool 15 provided downstream of the conveyance process
is set in a portion of the binding material 12 corresponding to the gap 20.

(3) During the transportation process, the binding material 12 is attached to the cutter 1.
5, the binding material 12 is caught on the cutter 15,
disconnected.

A plurality of binding materials 12 provided in the longitudinal direction of the long material 11 are sequentially cut and unbundled as described above.

The shape and cutting method of the blade 15 are appropriately selected depending on the weight of the long material 11, the coefficient of friction between the long material 11 and the conveyor 13, and the strength of the binding material 12.

According to the unbundling device 10, the following effects (1) to (4) are achieved.

■ The binding material 12 is attached to the cutter 1 during the transportation process.
5, it is automatically cut by the blade 15. Therefore, it is uninhabited.

[0034] Since the cutting operation of the blade 15 is performed during the conveyance process, the time spent only for unbundling in the process of producing the long material 11 is zero, and productivity can be improved. .

■ Due to the presence of the sensor 14 and the control device 16, the portion of the binding material 12 corresponding to the gap 20 formed between the long material 11 and the binding material 12 that are adjacent to each other due to binding is transported on the conveyor 13. Regardless of which position in the right angle direction the cutting tool 15 passes through, it becomes possible to cut the binding material 12 by moving the blade 15 laterally to the appropriate position.

The inventor of the present invention has recognized that bundled steel pipes having the following specifications can be automatically unbundled by the unbundling device 10.

Steel pipe standard: JIS STB35 Steel pipe size: outer diameter 114.3 mm, wall thickness 6.0 mm
, Length 12000mm Number of bundled steel pipes: 18 Bundling type: 3 positions in longitudinal direction Hoop Binding hoop type: Width 32mm, wall thickness 0.9mm, single wrap, material S
PCC hoop tensile strength: 70 kgf/mm2 Furthermore, in carrying out the present invention, the gap formed by the adjacent long materials and the binding material fixes the position in the direction perpendicular to the conveyance at a specific position during the conveyance process. In this case, detection of the gap and lateral movement of the cutter based on the detection result are not required.

[0038]

As described above, according to the present invention, long materials can be unbundled with high productivity and unmanned.

[Brief explanation of the drawing]

FIG. 1 is a side view showing an example of the unbundling device of the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG. 1;

FIG. 3 is a sectional view taken along line III-III in FIG. 1;

FIG. 4 is a side view showing essential parts of FIG. 1;

FIG. 5 is a cross-sectional view taken along line V-V in FIG. 4;

FIG. 6 is a block diagram showing a control system.

[Explanation of symbols]

10 Unbundling device 11 Long material 12 Binding material 13 Conveyor 14 Sensor 15 Cutlery 16 Control device

Claims (4)

[Claims] Claim 1: In an unbundling method for cutting a bundle of long materials, in the process of conveying the bundled long materials, a gap formed between adjacent long materials and the binding material due to the bundling. A method for unbundling long materials, characterized in that the part of the binding material corresponding to the above is cut by a cutter provided in the middle of the conveyance process. 2. An unbundling device for cutting bundles of long materials, comprising: a conveyor for transporting the bundled long materials;
A cutter is provided in the middle of the conveyor and at a position where it can cut the binding material portion corresponding to the gap formed between the adjacent long materials and the binding material due to the binding. An unbundling device for long materials, which is characterized by: [Claim 3] In the unbundling method of cutting the binding material of long materials, upstream of the process of conveying the bundled long materials, adjacent long materials and the binding materials are formed by the bundling. Detecting the gap, downstream of the gap, setting a cutter provided in the middle of the conveyance process to the binding material portion corresponding to the gap,
A method for unbundling long materials, characterized by cutting the binding material portion using the blade. 4. An unbundling device for cutting a bundle of long materials, comprising: a conveyor for conveying the bundled long materials;
A sensor is provided upstream of the conveyance process and detects a gap formed between adjacent long materials and the binding material by the binding, and a sensor is provided downstream of the conveyance process and is capable of raising and lowering the conveyor surface level. and a cutter that can move laterally in the direction perpendicular to the conveyor below the conveyor surface level, and a cutter that is set at the binding material portion corresponding to the above-mentioned gap according to the detection result of the sensor; 1. A device for unbundling a long material, comprising a control device that moves the blade up and down and laterally so as to cut the material.