KR101518665B1 - Apparatus for bending coil head - Google Patents

Apparatus for bending coil head Download PDF

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Publication number
KR101518665B1
KR101518665B1 KR1020140024996A KR20140024996A KR101518665B1 KR 101518665 B1 KR101518665 B1 KR 101518665B1 KR 1020140024996 A KR1020140024996 A KR 1020140024996A KR 20140024996 A KR20140024996 A KR 20140024996A KR 101518665 B1 KR101518665 B1 KR 101518665B1
Authority
KR
South Korea
Prior art keywords
coil
head
frame
bending
gripper
Prior art date
Application number
KR1020140024996A
Other languages
Korean (ko)
Inventor
안경순
심재근
Original Assignee
주식회사 포스코
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 포스코 filed Critical 주식회사 포스코
Priority to KR1020140024996A priority Critical patent/KR101518665B1/en
Application granted granted Critical
Publication of KR101518665B1 publication Critical patent/KR101518665B1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/16Unwinding or uncoiling
    • B21C47/18Unwinding or uncoiling from reels or drums
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/34Feeding or guiding devices not specially adapted to a particular type of apparatus

Abstract

One embodiment of the present invention relates to a coil head bending apparatus comprising a pair of cradle rolls for placing and rotating a coil; A frame disposed adjacent to the cradle roll; A magnetic opener movably installed on the frame to separate the head of the coil from the outer portion; And a gripper which is provided on the frame and rotates while receiving the head of the coil so as to bend the head of the coil so that the head of the coil can be automatically bent even if the head is brought into close contact with the coil, It is possible to proceed safely and there is no risk of scratches, such as scratches, on the surface of the coil during the bending process, so that high-quality products can be produced and productivity can be improved.

Description

[0001] Apparatus for bending coil head [0002]
The present invention relates to a coil head bending apparatus, and more particularly, to a coil head bending apparatus which is capable of improving the productivity by preventing the efficiency of the continuous process from being lowered by bending the head of the coil to smoothly enter the head of the coil, The present invention relates to a coil head bending apparatus.
It should be noted that the contents described in this section merely provide background information on the present invention and do not constitute the prior art.
For example, a continuous pickling rolling facility has a payoff reel. Such a pay-off reel is a device for loosening a coil in which a steel sheet is wound in a roll form. A coil head bending apparatus as shown in FIG. 1 is used to unload the coil by using the payoff reel and transfer it to the next process.
The conventional coil head bending apparatus advances and withdraws the extension table 7 assembled to be movable forward and backward on a guide table 8 assembled so as to be pivotable up and down and moves the filler knife 6 Of the outer surface of the outer surface of the outer tube.
When the coil 1 is rotated in one direction (clockwise direction in the figure) by a power source (not shown), the steel plate on the outer periphery of the coil 1 is released, Is guided to the table 8 and continuously guided to the next process.
The head 2 of the coil 1 is bent toward the direction opposite to the winding direction of the steel plate by the pressing roll 9 descending from the top when the steel plate of the outer shell starts to be loosened. As a result, the head 2 of the coil 1 is prevented from being lifted up, so that it can be smoothly conveyed toward the next step.
However, when the head 2 is in close contact with the coil 1, scratches due to contact are generated on the surface of the coil 1 in the process of bringing the filler knife 6 into close contact with the outer periphery of the coil 1, Especially when the thickness of the steel sheet is large, the head 2 of the coil 1 can not be bent by the pressing roll 9, so that the next step can not be carried out. As a result, .
The present invention can automatically bend the head of the coil, and can easily and safely proceed with such a bending process. In addition, since there is no risk of scratches such as scratches on the surface of the coil during the bending process, There is a main purpose of providing a coil head bending apparatus capable of improving productivity.
A coil head bending apparatus according to an embodiment of the present invention includes: a pair of cradle rolls for placing and rotating a coil; A frame disposed adjacent the cradle roll; A magnetic opener movably installed on the frame for separating the head of the coil from the outer portion; And a gripper installed on the frame and pivoting while holding the head of the separated coil to bend the head of the coil, wherein the gripper includes a carriage having a wheel capable of moving on the frame, ; A support table installed on the truck; A third drive unit having a main body fixed on one side of the bogie and fixed on one side thereof, and a working rod reciprocable from the main body; And a bending member having a receiving portion rotatably installed at one end of the support and a connecting link extending integrally from the receiving portion and connected to one end of the actuating rod of the third driving portion.
As described above, according to the present invention, even if the head is brought into close contact with the coil, the head of the coil can be automatically bent, the bending process can be performed easily and safely, and scratches, such as scratches, There is an effect that production of high quality products and improvement of productivity can be achieved.
1 is a perspective view showing a conventional coil head bending apparatus.
2 is a side view showing a coil head bending apparatus according to an embodiment of the present invention.
Fig. 3 is a rear view of Fig. 2. Fig.
4 is a block diagram schematically illustrating a control relationship of a coil head bending apparatus according to an embodiment of the present invention.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. It should be noted that, in adding reference numerals to the constituent elements of the drawings, the same constituent elements are denoted by the same reference numerals even though they are shown in different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.
FIG. 2 is a side view showing a coil head bending apparatus according to an embodiment of the present invention, and FIG. 3 is a rear view of FIG. 2. FIG.
As shown in these drawings, a coil head bending apparatus according to an embodiment of the present invention includes a pair of cradle rolls 10 for raising and rotating a coil 1; A frame 20 disposed adjacent to these cradle rolls 10; A magnetic opener 30 movably installed on the frame 20 to separate the head 2 of the coil 1 from the outer portion; And a gripper 40 which is installed on the frame 20 and rotates while receiving the head 2 of the coil 1 to bend the head 2 of the coil 1.
The wound coil 1 is placed on the pair of cradle rolls 10. At least one of the pair of cradle rolls 10 is connected to a cradle motor 11 for transmitting a rotational force to the roll so that the cradle roll 10 and the coil 1 are rotated by the operation of the cradle motor 11 do.
The transmission of the rotational force between the cradle roll 10 and the cradle motor 11 is performed by connecting the motor shaft directly to the cradle roll 10 or indirectly via the transmission mechanism 12 such as a gear, Lt; / RTI >
A magnetic opener (30) and a gripper (40) are movably installed on the frame (20). The frame 20 is positioned adjacent to the cradle roll 10 and is positioned to maintain proper spacing with the coil 1.
The magnetic opener 30 includes a main body 32 fixed on one side of a frame 20 and a first driving part 31 having an operating rod 33 reciprocable from the main body 32; A magnetic force generating portion 35 mounted on one end of the operating rod 33; And a support wheel 36 for movably supporting one end of the operation rod 33 on the frame. Here, the magnetic force generating section 35 may be formed of a permanent magnet or an electromagnet.
The magnetic opener 30 is configured such that the magnetic force generating portion 35 is extended to the magnetic force generating portion 35 after the operating rod 33 of the first driving portion 31 is stretched so that the magnetic force generating portion 35 is attached near the head 2 of the coil 1, The first drive portion 31 is operated to contract the operation rod 33 while the first drive portion 31 is attached to the vicinity of the head 2. The movement of the magnetic force generating portion 35 and the operation rod 33 can be smoothly performed by the support wheel 36. [ As a result, the magnetic opener 30 separates and opens the head 2 of the coil 1 from the outer periphery.
On the frame 20, a first limit switch 22 or a position sensor for restricting the movement of the support wheel 36 and ultimately the magnetic force generating portion 35 may be additionally provided. The position sensor may be an optical sensor or an ultrasonic sensor, but is not limited thereto.
The gripper (40) includes a plurality of support legs (41) installed upright on the frame (20); A pair of rails (42) arranged on the support legs (41) at regular intervals and in parallel; A carriage (45) with wheels (44) movable on these rails (42); A main body 52 having one side fixed on a horizontal plate 46 formed extending from the support leg 41 and an operation rod 53 reciprocable from the main body 52, A second driving part 51 connected to one end of the bogie 45; A support table 61 provided at the other end of the carriage 45; A third driving part 71 having a main body 72 standing upright on the bogie 45 and fixed on one side and an operation rod 73 reciprocable from the main body 72; A receiving portion 63 rotatably installed at one end of the supporting base 61 via a hinge shaft 62 and a receiving portion 63 extending integrally from the receiving portion 63 to be connected to the operating rod 73 of the third driving portion 71, And a bending member 65 having a connection link 64 connected to one end of the bending member 65.
A pair of rails 42 are arranged horizontally and parallel on the plurality of support legs 41. Each of the rails 42 is preferably formed in a substantially U-shaped cross section so that the wheels 44 of the truck 45 are not separated.
The rail 42 may be provided with a second limit switch 24 or a position sensor for restricting the movement of the wheel 44 and ultimately the bending member 65. The position sensor may be an optical sensor or an ultrasonic sensor, but is not limited thereto.
Actuators such as a hydraulic cylinder, a pneumatic cylinder, a solenoid, and a linear actuator may be applied to the first to third driving units used in the coil head bending apparatus according to an embodiment of the present invention. The second driving part 51 is for moving the carriage 45 and the third driving part 71 is for moving the magnetic force generating part 35. The first driving part 31 is for moving the magnetic force generating part 35, 65).
A receiving portion 63 having a substantially U-shaped cross section is rotatably mounted on one end of a support table 61 provided at an inclined angle on the carriage 45 at a predetermined angle. The opened free end of the accommodating portion 63 is formed into a curved portion having a predetermined curvature so that the head 2 of the coil 1 can be smoothly bent in a direction opposite to the winding direction of the steel plate.
The connecting link 64 extending substantially at right angles to the free end of the accommodating portion 63 is connected to one end of the operating rod 73 of the third driving portion 71. By this reciprocating movement of the operating rod 73 The connecting link 64 is rotated so that the receiving portion 63 integrated with the connecting link 64 is also rotated by the same angle so that the head 2 of the coil 1 accommodated in the receiving portion 63 ).
4 is a block diagram schematically illustrating a control relationship of a coil head bending apparatus according to an embodiment of the present invention. For example, if the magnetic force generating section 35 of the coil head bending apparatus according to the embodiment of the present invention is formed of an electromagnet and the first to third driving sections can be driven by a pump, a motor, Can be achieved.
4, the control unit 80 receives the position of the magnetic force generating unit 35 and the truck 45 from the first limit switch 22 and the second limit switch 24, respectively, 31 and the second drive unit 51 to control the movement of the first and second drive units 51 and 51. Electric power is supplied to operate the electromagnets to cause the magnetic force generating unit 35 to generate magnetic force and to control the third drive unit 71 Thereby causing the bending member 65 to rotate. As a result, the control unit 80 controls the operation of the magnetic opener 30 and the gripper 40.
Hereinafter, the operation of the coil head bending apparatus according to an embodiment of the present invention will be briefly described.
The coil 1 placed on the cradle roll 10 is rotated at a certain angle by using the cradle motor 11 to find the head 2 of the coil 1. The first driving part 31 is operated to extend the operating rod 33 to advance the magnetic force generating part 35 and the magnetic force generating part 35 is provided in the vicinity of the head 2 of the coil 1, Respectively. At this time, the magnetic force generating portion 35 can be easily moved by the support wheel 36, and the position can be sensed by the first limit switch 22 and stopped in front of the coil 1.
The head 2 of the coil 1 is opened by the magnetic force of the electromagnet when the first driving part 31 is operated to retract the magnetic force generating part 35 to shrink the operating rod 33. [
The second driving portion 51 is operated and the operating rod 53 is extended so that the bogie 45 advances toward the coil 1. The bogie 45 can smoothly move by the wheel 44 moving on the rail 42 and can be stopped by the second limit switch 24 and stopped in front of the coil 1.
The cradle motor 11 is used to further rotate the coil 1 placed on the cradle roll 10 at a certain angle so that the head 2 of the coil 1 enters the space of the receiving portion 63 . The second drive portion 51 is operated to shrink the operation rod 53 to prevent scratches on the surface of the coil 1 by the accommodating portion 63. As a result, (1).
In this state, when the third driving portion 71 is operated and the operation rod 73 is contracted, the connecting link 64 and the receiving portion 63, that is, the bending member 65 rotate, The head 2 can be bent and the head 2 can be easily separated from the outer periphery of the coil 1, thereby making it possible to smoothly enter the coil in the next step.
The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.
10: cradle roll 20: frame
30: magnetic opener 40: gripper
80:

Claims (8)

  1. A pair of cradle rolls for placing and rotating the coil;
    A frame disposed adjacent the cradle roll;
    A magnetic opener movably installed on the frame to separate the head of the coil from the outer portion; And
    A gripper which is installed on the frame and rotates while receiving the head of the separated coil to bend the head of the coil,
    Lt; / RTI >
    The gripper
    A carriage having a wheel capable of moving on the frame;
    A support table installed on the truck;
    A third drive unit having a main body fixed on one side of the bogie and fixed on one side thereof, and a working rod reciprocable from the main body; And
    A receiving portion rotatably installed at one end of the support, and a bending member extending integrally from the receiving portion and connected to one end of the actuating rod of the third driving portion,
    The coil head bending apparatus comprising:
  2. The method according to claim 1,
    And a cradle motor for transmitting a rotational force is connected to at least one of the pair of cradle rolls.
  3. The method according to claim 1,
    The magnetic opener
    A first driving unit having a main body having one side fixed to the frame and an operation rod reciprocable from the main body;
    A magnetic force generator mounted on one end of the operation rod; And
    A support wheel movably supporting one end of the operation rod on the frame,
    And the coil head bending device.
  4. The method of claim 3,
    And a first limit switch or a position sensor for restricting movement of the magnetic force generating unit is additionally provided on the frame.
  5. The method according to claim 1,
    The gripper
    A plurality of support legs provided upright on the frame;
    A pair of rails arranged parallel to each other at a predetermined interval on the support leg and on which the wheels of the bogie move; And
    And a second driving part connected to one end of the carriage, one end of which is connected to one end of the carriage moving along the rail,
    Further comprising:
  6. 6. The method of claim 5,
    And a second limit switch or a position sensor for restricting the movement of the truck is additionally provided on the rail.
  7. The method according to claim 1,
    Further comprising a control unit for controlling operation of the magnetic opener and the gripper.
  8. 8. The method of claim 7,
    Wherein the control unit controls the operation of the first driving unit for the activation of the electromagnet and the movement of the magnetic force generating unit when the magnetic force generating unit of the magnetic opener includes an electromagnet,
    The operation of the second driving portion for moving the carriage of the gripper and the operation of the third driving portion for rotating the bending member of the gripper are controlled.
KR1020140024996A 2014-03-03 2014-03-03 Apparatus for bending coil head KR101518665B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020140024996A KR101518665B1 (en) 2014-03-03 2014-03-03 Apparatus for bending coil head

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Application Number Priority Date Filing Date Title
KR1020140024996A KR101518665B1 (en) 2014-03-03 2014-03-03 Apparatus for bending coil head

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KR101518665B1 true KR101518665B1 (en) 2015-05-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106586665A (en) * 2016-12-02 2017-04-26 宝钢工程技术集团有限公司 Device and method for detecting folding head of steel coil

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020043031A (en) * 2000-12-01 2002-06-08 이구택 An apparatus for peeling the end of coil
KR20040024177A (en) * 2002-09-13 2004-03-20 주식회사 포스코 Device for inducing the end of a coil strip
KR20130019662A (en) * 2011-08-17 2013-02-27 주식회사 포스코 Device for guiding top of coil strip and method of controlling the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020043031A (en) * 2000-12-01 2002-06-08 이구택 An apparatus for peeling the end of coil
KR20040024177A (en) * 2002-09-13 2004-03-20 주식회사 포스코 Device for inducing the end of a coil strip
KR20130019662A (en) * 2011-08-17 2013-02-27 주식회사 포스코 Device for guiding top of coil strip and method of controlling the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106586665A (en) * 2016-12-02 2017-04-26 宝钢工程技术集团有限公司 Device and method for detecting folding head of steel coil

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