CN103193106B - Slack preventing device for wire rod wound around spool, and slack preventing method therefore - Google Patents

Slack preventing device for wire rod wound around spool, and slack preventing method therefore Download PDF

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Publication number
CN103193106B
CN103193106B CN201210505859.9A CN201210505859A CN103193106B CN 103193106 B CN103193106 B CN 103193106B CN 201210505859 A CN201210505859 A CN 201210505859A CN 103193106 B CN103193106 B CN 103193106B
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China
Prior art keywords
bobbin
wire rod
transfer roller
positive transfer
rotation
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Application number
CN201210505859.9A
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Chinese (zh)
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CN103193106A (en
Inventor
高木智博
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Nittoku Engineering Co Ltd
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Nittoku Engineering Co Ltd
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Priority to JP2012-000309 priority Critical
Priority to JP2012000309A priority patent/JP5797116B2/en
Application filed by Nittoku Engineering Co Ltd filed Critical Nittoku Engineering Co Ltd
Publication of CN103193106A publication Critical patent/CN103193106A/en
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Publication of CN103193106B publication Critical patent/CN103193106B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00Winding, coiling, or depositing filamentary material
    • B65H54/02Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/10Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers for making packages of specified shapes or on specified types of bobbins, tubes, cores, or formers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H49/00Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
    • B65H49/18Methods or apparatus in which packages rotate
    • B65H49/20Package-supporting devices
    • B65H49/24Rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00Forwarding filamentary material
    • B65H51/02Rotary devices, e.g. with helical forwarding surfaces
    • B65H51/04Rollers, pulleys, capstans, or intermeshing rotary elements
    • B65H51/08Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements
    • B65H51/10Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements with opposed coacting surfaces, e.g. providing nips
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00Forwarding filamentary material
    • B65H51/20Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00Forwarding filamentary material
    • B65H51/30Devices controlling the forwarding speed to synchronise with supply, treatment, or take-up apparatus
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/06Coil winding
    • H01F41/096Dispensing or feeding devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/30Handled filamentary material
    • B65H2701/37Tapes

Abstract

The invention prevents a slack of a wire rod in a spool by preventing the wire rod fed by rotation of the spool from returning to the spool. A wire rod slack preventing device (20) is installed parallel to a wire rod feeding machine (10) feeding a wire rod (11) by rotating a spool (12), around which the wire rod (11) is wound, and has a reverse rotation roller (26) having a rotating axis which is parallel to a rotating axis of the spool and rotating in a reverse direction to a rotating direction of the spool while being in contact with the spool, a forward rotation roller (27) having a rotating axis which is parallel to the rotating axis of the reverse rotation roller (26) and rotating in the same direction as the spool while being in contact with the reverse rotation roller (26), and a pinching roller (28) having a rotating axis which is parallel to the rotating axis of the forward rotation roller (27) and pinching the wire rod, which is fed out of the spool, together with the forward rotation roller (27). Further, a wire rod slack preventing method draws the wire rod which is fed out due to the rotation of the spool, while pinching the wire rod by the forward rotation roller (27), which rotates with the rotation of the spool, together with the pinching roller (28).

Description

Prevent the device and method of the line loose being wound in bobbin
Technical field
The present invention relates to and to rotate with the bobbin by making to be wound with wire rod and the wire rod of deriving wire rod is derived together with machine and arranged, prevent the device of the line loose being wound in bobbin and prevent from being wound in the method for line loose of bobbin.
Background technology
In the past, as the device for supplying wire rod to wire coiling machine etc., machine derived by known wire rod of being derived by wire rod by making the bobbin being wound with wire rod rotate, and illustrated that machine derived by this wire rod in Fig. 5.Machine 1 derived by wire rod shown in this Fig. 5, S. A. 2a is set to level and supporting bobbin 2, and possesses the motor 3 that this bobbin 2 is rotated.Utilize motor 3 that bobbin 2 is rotated, wire rod 4 can be derived thus from this bobbin 2, be wrapping with in pulley 5b from the wire rod 4 of bobbin 2 derivation and turn to, this pulley 5b axle is supported on the front end of the swing arm 5a as tension applying apparatus 5, thus makes this wire rod 4 be directed into the core 7 reeled for this wire rod 4 by wire guide part 6.Be configured to: on swing arm 5a, be provided with the spring 5c as tension-applying mechanism, this spring 5c exerts a force to the direction making pulley 5b be separated with core 7, utilizes the application force of this spring 5c and the wire rod 4 that turns on this pulley 5b is applied to the tension force of regulation.And motor 3 is configured to: when swing arm 5a is as indicated by chain dotted lines to core 7 side tilt rotation, bobbin 2 is made to rotate and derive wire rod 4, make swing arm 5a as shown in long and two-short dash line in the derivation by this wire rod 4, during to the direction tilt rotation be separated with core 7, the rotation of bobbin 2 is made to stop thus stopping the derivation of wire rod 4.
Patent documentation 1: Japanese Unexamined Patent Publication 3-159541 publication (Fig. 1 and Fig. 4)
But, to the spring 5c making pulley 5b leave the direction force of core 7, the power acted on away from the direction of core 7 is put on wire rod 4, therefore can become resistance relative to the not shown motor making core 7 rotate.Therefore, as long as wire rod 4 can be made loosely not to be wound in core 7, then the power acting on wire rod 4 towards the direction away from core 7 is preferably extremely weak.But, to the spring 5c making pulley 5b leave the direction force of core 7, also stretch towards the direction of extracting wire rod 4 from bobbin 2 out this wire rod 4, if therefore the power of this spring 5c is very weak, even if then make bobbin 2 rotate also cannot extract wire rod 4 out, thus there is following unfavorable condition: the situation that the wire rod 4 of this bobbin 2 is lax on this bobbin 2 can be wound in.Further, if wire rod 4 is lax on this bobbin 2, then can become the surplus being difficult to the wire rod 4 detected on bobbin 2, or this detection becomes unstable.
Wherein, in order to prevent the situation that wire rod 4 is lax on bobbin 2, have also contemplated that following technology: expand the interval between bobbin 2 and core 7, by the wire rod 4 between this bobbin 2 and core 7 deadweight and this wire rod 4 is extracted out from bobbin 2.But, when wanting the situation by making bobbin 2 avoid wire rod 4 lax on this bobbin 2 away from core 7, there is following unfavorable condition: the wire rod derivation machine 1 that can cause this bobbin 2 is rotated, the setting area of the equipment such as wire coiling machine that this core 7 is rotated enlarge markedly.
In addition, if the cross section such as the core 7 of wire rod 4 winding is formed as the such flat pattern of oblong, the coiling speed of the wire rod 4 being wound in this core 7 then can be made non-constant, and when the cross section of core 7 be oblong and its long limit more obvious than minor face longer, the speed of wire rod 4 can marked change, thus can carry out it move and stopping action to alternate repetition.So, also there is following unfavorable condition: the derivation of its wire rod 4 and stopping action being carried out even if derive in machine 1 at wire rod alternate repetition, the derivation speed of the wire rod 4 of machine 1 derived by wire rod to make in fact the threading speed of wire coiling machine depend on, when making larger bobbin 2 rotate, cause because of its inertia the quick derivation of wire rod to become difficulty, thus be difficult to improve threading speed.
In order to solve this problem, although can expect making more wire rod 4 be in the method for derivation state in advance, but there is following unfavorable condition: if to derive state maintaining line material 4, then the wire rod 4 of this derivation can turn back to bobbin 2 side because of its elasticity, thus can produce the situation that the wire rod 4 that is wound in this bobbin 2 can be lax on this bobbin 2.Therefore, derive in machine 1 at the wire rod of deriving wire rod 4 by making the bobbin 2 being wound with wire rod 4 rotate, if the wire rod 4 of this derivation can not be made to turn back to bobbin 2 side but reliably derived by this wire rod 4, prevent the wire rod 4 on this bobbin 2 from relaxing thus, then can be more convenient.
Summary of the invention
The object of the present invention is to provide a kind of method of device preventing from being wound in the line loose of bobbin and the line loose preventing from being wound in bobbin, wherein, bobbin can prevent the wire rod of deriving by making this bobbin rotate from returning to this bobbin, thus can prevent the lax of the wire rod on this bobbin.
The present invention derives the device preventing line loose arranged together with machine with wire rod, wherein wire rod machine of deriving makes to be wound with the bobbin rotation of wire rod and derived by wire rod.
The structural feature of the device of above-mentioned line loose is prevented to be, possess: reverse roll, this reverse roll has the S. A. parallel with the S. A. of bobbin, and contacts with bobbin or contact with the central portion that this bobbin rotates together thus rotate to the direction contrary with the hand of rotation of bobbin; Positive transfer roller, this positive transfer roller has the S. A. parallel with the S. A. of reverse roll, and contacts with reverse roll thus rotate to equidirectional with bobbin; And clamping roller, this clamping roller has the S. A. parallel with the S. A. of positive transfer roller, and clamps the wire rod of deriving from bobbin together with positive transfer roller.
Preferably, prevent the device of the line loose being wound in above-mentioned bobbin from also possessing: a pair support column, this pair support column is to erect setting from the axial both sides of the rotation of bobbin across the mode of bobbin, and the S. A. of wherein said bobbin is set to level; Horizontal support bar, it is erected between a pair support column; And a pair axle supporting mass, this pair axle supporting mass separates the interval wider than the axial width of the rotation of bobbin and is arranged at horizontal support bar, and the both ends of reverse roll, positive transfer roller and clamping roller are supported on a pair axle supporting mass in the mode that can rotate.
Preferably, above-mentioned wire rod export agency is configured to: possess the lax bend sensor detecting the wire rod be exported in a non-contact manner, then make bobbin rotate when bend sensor detects the lax minimizing of the wire rod be exported, then make the rotation of bobbin stop when bend sensor detects the specified amount of the wire rod be exported lax.
In addition, another technical characteristic of the present invention is the method for the line loose prevented in wire rod derivation machine, and wherein wire rod machine of deriving makes to be wound with the bobbin rotation of wire rod and derived by wire rod.
The feature of relaxation method that prevents of above-mentioned wire rod is, reverse roll is contacted with bobbin or contacts with the central portion that this bobbin rotates together thus rotate to the direction contrary with the hand of rotation of bobbin, wherein reverse roll has the S. A. parallel with the S. A. of bobbin; Make positive transfer roller contact with reverse roll thus rotate to equidirectional with bobbin, wherein positive transfer roller has the S. A. parallel with the S. A. of reverse roll; Utilize clamping roller and positive transfer roller to clamp the wire rod of deriving from bobbin, wherein clamping roller has the S. A. parallel with the S. A. of positive transfer roller; Positive transfer roller clamps and is drawn through the rotation of bobbin and the wire rod that is exported together with clamping roller, and wherein the rotation of positive transfer roller and bobbin rotates simultaneously.
Prevent the device of line loose of the present invention and prevent in the method for line loose, owing to clamping together with clamping roller with the positive transfer roller that the rotation of bobbin rotates simultaneously and being drawn through the rotation of bobbin and the wire rod be exported, therefore, it is possible to prevent the wire rod be exported by making bobbin rotate from returning towards bobbin, there will not be the situation that the wire rod be exported relaxes on bobbin thus, thus wire rod can be prevented lax on this bobbin.Further, because the rotation of this positive transfer roller and bobbin rotates simultaneously, therefore without the need to bobbin is rotated power beyond power.
Accompanying drawing explanation
Fig. 1 is the block diagram preventing the device of line loose that embodiments of the present invention are shown.
Fig. 2 is that this prevents the lateral plan of the device of line loose.
Fig. 3 is that this prevents the front view of the device of line loose.
Fig. 4 is the lateral plan that the state that wire rod is extracted out by its positive transfer roller together with niproll is shown.
Fig. 5 illustrates that the lateral plan of machine derived by existing wire rod.
Description of reference numerals: 10 ... machine derived by wire rod; 11 ... wire rod; 12 ... bobbin; 17 ... bend sensor; 20 ... prevent the device of the line loose being wound in bobbin; 21 ... support column; 23 ... horizontal support bar; 24 ... axle supporting mass; 26 ... reverse roll; 27 ... positive transfer roller; 28 ... clamping roller.
Detailed description of the invention
Next, be described in detail to for implementing mode of the present invention based on accompanying drawing.
The device 20 preventing line loose of the present invention shown in Fig. 1 ~ Fig. 3.This prevents the device 20 of line loose from being derive with wire rod the device arranged together with machine 10, and this wire rod is derived machine 10 and derived by wire rod 11 by making the bobbin 12 being wound with wire rod 11 rotate.Wire rod 11 in present embodiment, although illustrate the situation of so-called lenticular wire adopting its cross sectional shape to be rectangle, this wire rod 11 also can be its cross section is foursquare so-called side's line, can also be the rounded so-called round line in its cross section.In addition, this wire rod 11 also can be the bar that such as film (film) is such.The bobbin 12 reeled for such wire rod 11 has: columned main part 12a(Fig. 2 and Fig. 4), in fact above-mentioned wire rod 11 is wound in the periphery of this main part 12a; Discoid flange part 12b, this flange part 12b is formed at the two ends of the axis of this main part 12a coaxially.
Wire rod that this bobbin 12 is rotated is derived machine 10 and is possessed: a pair matrix 13, and this pair matrix 13 is with spaced apart with the flange part 12b of both sides of the bobbin 12 S. A. being set to level and arrange from outside across the mode of flange part 12b; A pair anvil roll 14, this pair anvil roll 14 is erected between above-mentioned a pair matrix 13, for loading for bobbin 12; Motor 16, this motor 16 makes either one or both rotation in above-mentioned a pair anvil roll 14.The situation possessing the motor 16 that the side in a pair anvil roll 14 is rotated is represented in figure.Further, motor 16 is configured to, and by making either one or both rotation in above-mentioned a pair anvil roll 14, the bobbin 12 be placed on this pair anvil roll 14 is rotated.
As shown in Figures 1 and 2, this wire rod is derived machine 10 and is possessed bend sensor 17, and this bend sensor 17 detects the bending situation of the wire rod 11 of deriving from this bobbin 12 in a non-contact manner.This bend sensor 17 possesses a pair support column 17a, and this pair support column 17a is with across this wire rod 11 and the mode separating predetermined distance erects the both sides of the Width being arranged on the wire rod 11 be exported.The bottom of this pair support column 17a is provided with lower sensor 17b, the top of this pair support column 17a is provided with upper sensor 17c, wherein, lower sensor 17b detects the situation that bending wire rod 11 declines because of deadweight in a non-contact manner, and upper sensor 17c detects the bending situation of wire rod 11 because being risen by pulling in a non-contact manner.And be configured to: if when the upper sensor 17c in bend sensor 17 detects the bending minimizing of the wire rod 11 be exported, then drive motor 16 and bobbin 12 is rotated, if when the lower sensor 17b in bend sensor 17 detects the specified amount of the wire rod 11 be exported bending, then by stopping the driving of motor 16, the rotation of bobbin 12 is stopped.
Derive with such wire rod the device 20 of line loose that prevents of the present invention arranged together with machine 10 and possess a pair support column 21, this a pair support column 21 is positioned at the outside of a pair matrix 13, and to erect setting from the axial both sides of the rotation of bobbin 12 across the mode of bobbin 12, wherein the S. A. of bobbin 12 is set to level and bobbin 12 is placed in a pair anvil roll 14.Carry out being elevated the movable member 22 also can fixed at an arbitrary position and be arranged at this pair support column 21 respectively, horizontal support bar 23 is set up between this movable member 22.That is, horizontal support bar 23 is erected between above-mentioned a pair support column 21 with the mode on even keel parallel with the S. A. of bobbin 12 via movable member 22.
As shown in Figure 3, a pair axle supporting mass 24 separates the interval wider than the axial width of the rotation of bobbin 12 and is arranged at this horizontal support bar 23.This pair axle supporting mass 24 is formed as tabular longer in vertical direction, and its top is installed on horizontal support bar 23.Further, the both ends of reverse roll 26, positive transfer roller 27 and clamping roller 28 are supported on this pair axle supporting mass 24 in the mode that can rotate.
As shown in Fig. 1 ~ Fig. 4, reverse roll 26 is arranged on a pair axle supporting mass 24 bottom.This reverse roll 26 is arranged to parallel with the S. A. of bobbin 12.Further, this reverse roll 26 is arranged to contact with bobbin 12 or contact with the central portion that this bobbin 12 carries out rotating equally.Reverse roll 26 in present embodiment, as shown in figures 2 or 4, shows the situation that its periphery contacts with the periphery of the flange part 12b of bobbin 12.This reverse roll 26 is configured to, and because its periphery contacts with bobbin 12 in the above described manner, therefore when bobbin 12 rotates, then this reverse roll 26 can rotate to the direction contrary with the hand of rotation of this bobbin 12.
Positive transfer roller 27 has the S. A. parallel with the S. A. of reverse roll 26, and this positive transfer roller 27 is in the top of above-mentioned reverse roll 26, and in the mode that periphery contacts with the periphery of reverse roll 26, two end axles is supported on a pair axle supporting mass 24.Thus, this positive transfer roller 27 is configured to, and when reverse roll 26 rotates to the direction contrary with the hand of rotation of bobbin 12, then this positive transfer roller 27 can to the reversing sense of the hand of rotation of this reverse roll 26, namely rotate to the direction identical with the hand of rotation of bobbin 12.
Clamping roller 28 has the S. A. parallel with the S. A. of positive transfer roller 27, this clamping roller 28 is positioned at the top of above-mentioned positive transfer roller 27, and in the mode clamping the wire rod 11 of deriving from bobbin 12 together with above-mentioned positive transfer roller 27, two end axles is supported on a pair axle supporting mass 24.A pair axle supporting mass 24 is aligning transfer roller 27 and carry out above the axle fulcrum of axle supporting, and be provided with the track 29 that above-below direction extends, being also provided with can along the sliding part 31 of this track 29 movement.The two end axles of clamping roller 28 is supported on this sliding part 31, and two end axles is supported on a pair axle supporting mass 24 via this sliding part 31 by clamping roller 28.
Further, as shown in Figure 3, axle supporting mass 24 is provided with spring 32, this spring 32 pairs of sliding parts 31 positive transfer roller 27 downward exerts a force, and clamping roller 28 is configured to utilize the application force of this spring 32 and clamp the wire rod 11 of deriving from bobbin 12 together with positive transfer roller 27.Thus, be configured to: when positive transfer roller 27 rotates to the direction identical with the hand of rotation of bobbin 12, the then clamping roller 28 of wire gripper 11 together with positive transfer roller 27, rotate to the direction contrary with this positive transfer roller 27, thus the wire rod 11 clamped by them is extracted out from bobbin 12 by this positive transfer roller 27 together with this clamping roller 28.Further, the periphery of reverse roll 26, positive transfer roller 27 and clamping roller 28 is formed by resins such as polyurethane, even if thus such as contact with wire rod 11 and rub, also can not produce this wire rod 11 and damage.
In addition, as shown in Figure 2, the wire rod 11 extracted out from bobbin 12 by being clamped with clamping roller 28 by the positive transfer roller 27 carrying out rotating, passes through, then this wire rod 11 is directed to the equipment using this wire rod 11 between a pair support column 17 of bend sensor 17.In the present embodiment, as shown in Figure 2, citing shows will extract out from bobbin 12 and the wire rod 11 of deriving is supplied to the situation of wire coiling machine 33, and wire rod 11 is directed into above-mentioned core 33b after by the wire guide part 33a of wire coiling machine 33.And show following situation: by making the core 33b of wire coiling machine 33 rotate, the wire rod 11 of deriving from bobbin 12 is wound in this core 33b.
Next, the method for line loose that prevents of the present invention is described.
As shown in Figure 4, the lax method of wire rod 11 that prevents of the present invention is the method preventing the wire rod 11 in wire rod derivation machine 10 lax, and wherein, machine 10 derived by wire rod makes the bobbin 12 being wound with wire rod 11 rotate and be derived by wire rod 11.And, its feature is, contact with bobbin 12 by making the reverse roll 26 with the S. A. parallel with the S. A. of bobbin 12, this reverse roll 26 is rotated to the direction contrary with the hand of rotation of bobbin 12, and contact with reverse roll 26 by making the positive transfer roller 27 with the S. A. parallel with the S. A. of this reverse roll 26, make this positive transfer roller 27 to the rotation with bobbin 12 equidirectional, utilize clamping roller 28 and the positive transfer roller 27 with the S. A. parallel with the S. A. of positive transfer roller 27, clamp the wire rod 11 of deriving from bobbin 12, and then the positive transfer roller 27 simultaneously to rotate with the rotation of bobbin 12, clamp together with clamping roller 28 and be drawn through the rotation of bobbin 12 and the wire rod 11 be exported.
Be specifically described employing the above-mentioned lax method of wire rod 11 that prevents of the present invention of the device 20 of line loose that prevents, owing to wire rod 11 being derived by making bobbin 12 rotate, therefore first the above-mentioned device 20 of line loose that prevents is arranged near wire coiling machine 33 side of wire rod derivation machine 10.This setting is carried out in the following manner: being arranged on preventing a pair support column 21 of relaxation device 20 from erecting the outside that a pair matrix 13 of machine 10 derived by wire rod, utilizing this pair support column 21 to clip bobbin 12 from the both sides S. A. direction thus.Then make a pair axle supporting mass 24 clamping roller 28, positive transfer roller 27 and reverse roll 26 being carried out to axle supporting be elevated, reverse roll 26 is contacted with the periphery of the flange part 12b of the circle of bobbin 12.The lifting of this pair axle supporting mass 24 is carried out in the following manner: be elevated by the movable member 22 allowing to be arranged at up and down a pair support column 21, makes the lifting of this pair axle supporting mass 24 and horizontal support bar 23 1 lifting being set up in above-mentioned movable member 22 thus.
Now, as shown in Figure 2, when making to prevent a pair support column 21 of the device 20 of line loose from offseting from wire rod derivation machine 10 to wire coiling machine 33 side (left of Fig. 2), then reverse roll 26 declines with the contact position of flange part 12b, when make this pair support column 21 away from wire coiling machine 33 to wire rod derive machine 10 side (right of Fig. 2) skew and close to bobbin 12 central time, then reverse roll 26 rises with the contact position of flange part 12b.Therefore as illustrated particularly in figure 2, derive wire coiling machine 33 side of machine 10 at wire rod and carry out position adjustment to preventing a pair support column 21 of the device 20 of line loose, to make to be positioned between clamping roller 28 and positive transfer roller 27 track that the wire rod 11 from bobbin 12 towards wire coiling machine 33 draws.
Next, the wire rod 11 of deriving from bobbin 12 is inserted through between clamping roller 28 and positive transfer roller 27, thus utilizes the clamping roller 28 with the S. A. parallel with the S. A. of positive transfer roller 27 and positive transfer roller 27 to clamp the wire rod 11 of deriving from bobbin 12.Specifically, make clamping roller 28 overcome the application force of spring 32 and rise, thus expand the gap between clamping roller 28 and positive transfer roller 27, and make the wire rod 11 of deriving from bobbin 12 be inserted through the gap after this expansion.Then, the clamping roller 28 after rising is declined again, utilize the application force of spring 32 and make the gap shrinks between clamping roller 28 and positive transfer roller 27, thus utilize clamping roller 28 and positive transfer roller 27 to clamp the wire rod 11 of deriving from bobbin 12.Terminate thus to prevent the device 20 of line loose from deriving the setting near machine 10 to wire rod.
Further, as shown in Figure 2, derive wire rod 11 actually by making bobbin 12 rotate, and this wire rod is passed through from the wire guide part 33a of wire coiling machine 33 via bend sensor 17, then make the end of wire rod 11 be locked to its core 33b.For the derivation of wire rod 11 from bobbin 12, by making wire rod 11 in its core 33 and preventing from more bendingly between relaxation device 20 more being derived by more wire rod 11, then stop the rotation of bobbin 12 in advance.In this condition, start to carry out coiling by wire coiling machine 33, wire rod 11 is wound in the core 33b of rotation.More in advance the wire rod 11 of derivation is wound in core 33b due to more bending, the wire rod 11 that therefore can not be wound this applies the power being withdrawn into bobbin 12 side.Therefore with in the past apply compared with the mode of the power being withdrawn into bobbin side, the resistance relative to the not shown motor making core 33b rotate can be reduced to reeled wire rod.In addition, the rotative speed of this core 33b can also be improved and carry out coiling with higher speed.
When starting coiling, due to wire coiling machine 33 and prevent the wire rod 11 between relaxation device 20 to be wound in core 33b, therefore the degree of crook of wire rod 11 therebetween reduces gradually.Further, as shown in the long and short dash line in Fig. 2, when the upper sensor 17c of bend sensor 17 detects that the degree of crook of the wire rod 11 be exported reduces, then wire rod derivation machine 10 makes bobbin 12 again rotate, thus again derives wire rod 11.Namely, when the upper sensor 17c of bend sensor 17 detects that the degree of crook of the wire rod 11 be exported reduces, then make one or both rotation in pair of rolls 14 by driving wire rod to derive the motor 16 of machine 10, thus to make to be placed in this pair of rolls 14 and the bobbin 12 being wound with wire rod 11 rotates, again derive the wire rod 11 being wound in the amount of more than the amount of core 33b.
As shown in Figure 4, when in order to derive wire rod 11 bobbin 12 is rotated as shown in solid arrow time, then the outer weekly assembly of reverse roll 26 contacts with the periphery of the round flange portion 12b of bobbin 12, and therefore this reverse roll 26 rotates to the direction contrary with the hand of rotation of bobbin 12.In addition, because reverse roll 26 has the S. A. parallel with the S. A. of bobbin 12, and the positive transfer roller 27 with the S. A. parallel with the S. A. of this reverse roll 26 contacts with reverse roll 26, therefore positive transfer roller 27 rotates to the direction identical with bobbin 12 together with the rotation of reverse roll 26.
Wherein, the wire rod 11 of deriving from bobbin 12 is clamped by the clamping roller 28 and positive transfer roller 27 with the S. A. parallel with the S. A. of positive transfer roller 27, and the hand of rotation of positive transfer roller 27 is identical with the hand of rotation of bobbin 12, therefore be exported and the wire rod 11 clamped by positive transfer roller 27 and clamping roller 28 by the rotation of bobbin 12, utilize the positive transfer roller 27 that rotates to the direction identical with above-mentioned bobbin 12 and above-mentioned wire rod 11 is extracted out from its bobbin 12.In it is possible to prevent the wire rod 11 be exported by making bobbin 12 rotate from returning towards bobbin 12, the wire rod 11 of deriving thus can not be produced on bobbin 12 lax, thus wire rod 11 can be prevented lax on this bobbin 12.Further, owing to configuring clamping roller 28 and positive transfer roller 27 at wire rod 11 from bobbin 12 towards the direction of wire coiling machine 33, therefore above-mentioned direction can be kept unchangeably towards wire coiling machine 33 by the wire rod 11 that this positive transfer roller 27 and clamping roller 28 clamp.Therefore can not there is the situation making the direction marked change of wire rod 11 because of this clamping roller 28 or positive transfer roller 27, thus wire rod 11 will be made to produce flaw because of the change of this direction.In addition, because this positive transfer roller 27 rotates together with the rotation of bobbin 12, therefore without the need to bobbin 12 is rotated power beyond power.
In addition, and being rotated by bobbin 12 and compared with the amount of wire rod 11 that is exported, when the amount of the wire rod 11 extracted out when being undertaken rotating by positive transfer roller 27 reduces, then can produce the wire rod 11 of deriving from bobbin 12 in the lax such situation of this bobbin 12.But, because reverse roll 26 rotates in the mode contacted with the periphery of bobbin 12, positive transfer roller 27 rotates in the mode contacted with reverse roll 26, therefore the moving velocity of the outside face of the wire gripper 11 of positive transfer roller 27, the moving velocity of the periphery of the round flange portion 12b of the bobbin 12 contacted with reverse roll 26 is identical.
On the other hand, because the flange part 12b of bobbin 12 does not depart from from this rolled body portion 12a for making the wire rod of the rolled body portion 12a being wound in bobbin 12, therefore generally, the external diameter of this flange part 12b is greater than the external diameter of the wire rod 11 of the rolled body portion 12a being wound in bobbin 12.So, carry out rotating with bobbin 12 and the wire rod 11 being wound in above-mentioned rolled body portion 12a is disassembled and compared with the amount of the wire rod 11 of deriving, wire gripper 11 together with the reverse roll 26 and amount of the wire rod 11 extracted out to the positive transfer roller 27 that equidirectional rotates with bobbin 12 is larger.Therefore, carry out rotating with bobbin 12 and compared with the amount of the wire rod 11 be exported, undertaken rotating by positive transfer roller 27 and the amount of the wire rod 11 extracted out can not reduce, as long as the external diameter of the flange part 12b that reverse roll 26 contacts is greater than the external diameter of the wire rod 11 of the rolled body portion 12a being wound in bobbin 12, the situation that the wire rod 11 of deriving from bobbin 12 relaxes at this bobbin 12 just effectively can be prevented.
Like this, when the external diameter of the flange part 12b that reverse roll 26 contacts is greater than the external diameter of the wire rod 11 of the rolled body portion 12a being wound in bobbin 12, carry out rotating with bobbin 12 and compared with the amount of the wire rod 11 be exported, undertaken rotating by positive transfer roller 27 and the amount of wire rod 11 of extracting out is larger, thus error can be produced between this derived quantity and extracted amount.But, due to the reverse roll 26 making positive transfer roller 27 rotate, contact with the periphery of the flange part 12b of bobbin 12, therefore just can absorb this error by the slip between this reverse roll 26 and flange part 12b of bobbin 12 or the slip between this reverse roll 26 and positive transfer roller 27.In addition, also there is following situation: wire rod 11, with and clamping roller 28 together with clamp this wire rod 11 positive transfer roller 27 between produce and slide, thus the error produced between the derived quantity of wire rod 11 and extracted amount is absorbed.But, because the periphery contacted with wire rod 11 of at least this positive transfer roller 27 is by the resins such as the polyurethane of damage being caused to be formed to this wire rod 11, therefore can not to be clamped by positive transfer roller 27 and clamping roller 28 and the wire rod 11 extracted out brings damage, reliably can prevent lax at bobbin 12 of wire rod 11.
In addition, by making the amount of the wire rod 11 of deriving from bobbin 12 more than the amount of wire rod 11 being wound in core 33, make wire coiling machine 33 thus and prevent the amount of bow of the wire rod 11 between relaxation device 20 from increasing, as solid line in figure 2, if the lower sensor 17b of bend sensor 17 detects the lax of the specified amount of the wire rod 11 be exported, then can forbid deriving new wire rod 11 from this bobbin 12 by making the rotation of bobbin 12 stop.And can prevent wire rod 11 on bobbin 12 from relaxing, and as shown in Figure 2, the state deriving more wire rod 11 in advance can be formed as all the time.Therefore the cross section of the core 33b being wound with wire rod 11 is such as made to be formed as the flat pattern of oblong and so on, even if move it and stop the coiling speed marked change of wire rod 11 reeled to this core 33b and alternate repetition, the threading speed of this wire coiling machine 33 also can not depend on that the derivation speed of machine 10 pairs of wire rods 11 derived by wire rod, even if when making larger bobbin 12 rotate, by making more wire rod 11 be in derivation state in advance, the threading speed of wire coiling machine 33 just fully can be improved.
In addition, although be illustrated the situation that reverse roll 26 contacts with the periphery of the flange part 12b of bobbin 12 in the above-described embodiment, although not shown, but also can the central portion rotated together with bobbin 12 be arranged to this bobbin 12 coaxial, and reverse roll 26 is contacted with the not shown central portion that this bobbin 12 rotates together, make this reverse roll 26 rotate to the direction contrary with the hand of rotation of bobbin 12 thus.

Claims (4)

1. one kind prevents the device (20) of the line loose being wound in bobbin, derive together with machine (10) with wire rod and arrange, described wire rod is derived machine (10) and is made to be wound with bobbin (12) rotation of wire rod (11) and derived by described wire rod (11), the described feature of the device of the line loose being wound in bobbin that prevents is to possess:
Reverse roll (26), this reverse roll (26) has the S. A. parallel with the S. A. of described bobbin (12), and contacts with described bobbin (12) or contact with the central portion that described bobbin (12) rotates together thus rotate to the direction contrary with the hand of rotation of described bobbin (12);
Positive transfer roller (27), this positive transfer roller (27) has the S. A. parallel with the S. A. of described reverse roll (26), and contacts with described reverse roll (26) thus rotate to equidirectional with described bobbin (12); And
Clamping roller (28), this clamping roller (28) has the S. A. parallel with the S. A. of described positive transfer roller (27), and clamps the wire rod (11) of deriving from described bobbin (12) together with described positive transfer roller (27).
2. the device preventing the line loose being wound in bobbin according to claim 1, is characterized in that also possessing:
A pair support column (21), this pair support column (21) erects setting with the axial both sides of rotation from bobbin (12) across the mode of bobbin (12), and the S. A. of wherein said bobbin (12) is set to level;
Horizontal support bar (23), this horizontal support bar (23) is erected between described a pair support column (21); And
A pair axle supporting mass (24), this pair axle supporting mass (24) separates the interval wider than the axial width of rotation of described bobbin (12) and is arranged at described horizontal support bar (23),
The both ends of reverse roll (26), positive transfer roller (27) and clamping roller (28) are supported on described a pair axle supporting mass (24) in the mode that can rotate.
3. the device preventing the line loose being wound in bobbin according to claim 1 and 2, is characterized in that,
Wire rod is derived machine (10) and is configured to: possess the lax bend sensor (17) detecting the wire rod (11) be exported in a non-contact manner, then make bobbin (12) rotate when described bend sensor (17) detects the lax minimizing of the described wire rod (11) be exported, then make the rotation of described bobbin (12) stop when described bend sensor (17) detects the specified amount of the wire rod (11) be exported lax.
4. one kind prevents the method for the line loose being wound in bobbin, it is the method preventing wire rod from deriving the line loose in machine (10), described wire rod is derived machine (10) and is made to be wound with bobbin (12) rotation of wire rod (11) and derived by described wire rod (11), the described feature of the method for the line loose being wound in bobbin that prevents is
Reverse roll (26) is made to contact with described bobbin (12) or contact with the central portion that described bobbin (12) rotates together, thus rotate to the direction contrary with the hand of rotation of described bobbin (12), wherein said reverse roll (26) has the S. A. parallel with the S. A. of described bobbin (12)
Make positive transfer roller (27) contact with described reverse roll (26) thus rotate to equidirectional with described bobbin (12), wherein said positive transfer roller (27) has the S. A. parallel with the S. A. of described reverse roll (26),
Utilize clamping roller (28) and described positive transfer roller (27) to clamp the wire rod (11) of deriving from described bobbin (12), wherein said clamping roller (28) has the S. A. parallel with the S. A. of described positive transfer roller (27),
Described positive transfer roller (27) clamps and is drawn through the rotation of described bobbin (12) and the wire rod (11) that is exported together with described clamping roller (28), and wherein said positive transfer roller (27) rotates with the rotation of described bobbin (12) simultaneously.
CN201210505859.9A 2012-01-05 2012-11-30 Slack preventing device for wire rod wound around spool, and slack preventing method therefore Active CN103193106B (en)

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JP2012000309A JP5797116B2 (en) 2012-01-05 2012-01-05 Loosening prevention device for wire wound around spool

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EP2612834B1 (en) 2018-08-01
JP5797116B2 (en) 2015-10-21
JP2013139320A (en) 2013-07-18
KR20130080759A (en) 2013-07-15
EP2612834A2 (en) 2013-07-10
EP2612834A3 (en) 2014-09-17
CN103193106A (en) 2013-07-10
KR101361573B1 (en) 2014-02-12

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