US20070235578A1 - Pay-off apparatus for winding machine - Google Patents
Pay-off apparatus for winding machine Download PDFInfo
- Publication number
- US20070235578A1 US20070235578A1 US11/705,199 US70519907A US2007235578A1 US 20070235578 A1 US20070235578 A1 US 20070235578A1 US 70519907 A US70519907 A US 70519907A US 2007235578 A1 US2007235578 A1 US 2007235578A1
- Authority
- US
- United States
- Prior art keywords
- carriage
- machine according
- arm
- bobbin
- axis
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H57/00—Guides for filamentary materials; Supports therefor
- B65H57/28—Reciprocating or oscillating guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H65/00—Securing material to cores or formers
Definitions
- This invention concerns winding machines and, in particular, a winding machine with a pay-off unit for unwinding a single- or multiple-end wire material from a feed bobbin.
- Known winding units provide take-up devices in which a strand of the wire is grasped by a gripper positioned at one end of the bobbin to be filled. Once the end of the wire is grasped, the rotation of the bobbin causes the wire to wind onto that same bobbin.
- this creates the so-called “bridge effect” problem: the section of wire extending between the gripper and the initial turns wound on the bobbin quill sticks out from the quill, as it is under tension by the flange of the bobbin. Consequently, some turns are wound onto the raised section of wire instead of directly onto the bobbin's quill, causing a bulge in the winding that can cause problems in subsequent manufacturing processes. Machines of the prior art do not offer a satisfactory solution to this problem.
- One of the objectives of this invention is therefore to provide a winding machine that resolves the aforementioned problems, running efficiently even at high operating speeds and preventing defects during the unwinding and winding of the bobbins.
- FIGS. 2 and 3 are a plan view from above and a side view, respectively, with cross sections, of an embodiment of a wire guide device included in the machine of FIG. 1 ;
- FIG. 4 is a longitudinal cross-sectional view of an embodiment of a take-up device according to the machine of FIG. 1 .
- FIG. 1 shows in its entirety a winding machine 1 , including a pay-off unit 2 , for unwinding a single- or multiple-end wire material 3 (metallic for example, though not necessarily so) off of feed bobbin 4 , snub and compensation unit 5 , and take-up unit 6 for rewinding material 3 onto one or more final bobbins.
- Pay-off unit 2 , snub and compensation unit 5 , and take-up unit 6 are arranged in series along a path P of material 3 .
- wire guide device 15 includes motorized coupled carriage 17 sliding along guide 18 and moved by motor 19 .
- Guide 18 is solidly fastened to rear rim 22 of case 10 , facing feed bobbin 4 , and extends along an axis A substantially parallel to a central axis of symmetry of feed bobbin 4 and delineating an axis of motion of carriage 17 .
- a straight arm 30 overhangs obliquely from carriage 17 extending towards feed bobbin 4 , substantially orthogonal to axis A.
- Arm 30 features a connecting end 31 hinged to carriage 17 and a free end 32 that supports an idler wheel 33 onto which material 3 unwound from feed bobbin 4 is wound.
- Arm 30 is made integral with carriage 17 and rotates with respect to carriage 17 .
- arm 30 is made integral with a pin 34 , which is inserted freely rotating in seat 35 supported by carriage 17 and extends substantially perpendicular to axis A, delineating an axis of rotation of arm 30 with respect to carriage 17 .
- Carriage 17 has an auxiliary wheel 36 , positioned so as to align with idler wheel 33 and mounted directly above connecting end 31 of arm 30 .
- Wire guide device 15 also consists of sensor means 40 for detecting the inclination of material 3 from feed bobbin 4 and idler wheel 33 and control unit 41 for controlling the movement of carriage 17 as a function of the signals supplied by sensor means 40 .
- sensor means 40 has an angular position sensor to detect the inclination of arm 30 with respect to carriage 17 .
- sensor 42 maybe a potentiometer (known) joined at connecting end 31 of arm 30 to detect the slope of arm 30 with respect to axis A. Sensor 42 is therefore supported by carriage 17 and is connected to rotating pinion 43 mounted on carriage 17 .
- Pinion 43 meshes with toothed disk 44 (semicircular, for example) which is attached at an upper end of pin 34 and rotates integrally with pin 34 and thus with arm 30 .
- Control unit 41 acts on motor 19 to govern the movement of carriage 17 along axis A so as to keep arm 30 substantially perpendicular to carriage 17 while material 3 unwinds from feed bobbin 4 .
- the electrical connections among the various components of pay-off unit 2 are not shown for simplicity.
- the functional connection between control unit 41 , sensor 42 , and motor 19 is only illustrated schematically in FIG. 2 .
- snub and compensation unit 5 is well known and is not described in detail for the sake of simplicity.
- snub and compensation unit 5 has a plurality of pulleys 47 borne by a support 48 and onto which the respective wires or bundles of wire 49 material 3 , taken-off from feed bobbin 4 , are wound.
- the distance between pulley pairs 47 varies in order to adjust the working speed of pay-off unit 2 to the working speed of take-up unit 6 .
- Take-up unit 6 has a case 51 and a plurality of bobbin winding devices 52 to wind the respective wires or bundles of wires 49 of material 3 (originating from snub and compensation unit 5 ) onto respective bobbins 53 .
- Bobbins 53 are drawn from loader 54 and carried to their respective take-up devices 52 by a mobile carriage (known and not shown). As shown in FIG.
- Bushing 56 is provided internally with a substantially cylindrical seat 65 in which rotating spindle 55 is housed, supported by bearings 66 .
- Bushing 56 is fastened to a frame 67 , which is in turn fastened to case 51 .
- Mobile element 61 is composed of two tubular telescopic components 71 , 72 , radially fitting one within the other, coupled together and sliding one over the other along axis R.
- Tubular telescoping component 71 fits radially over the outside of bushing 56 and slides along axis R with respect to bushing 56 .
- Frame 67 bears a mechanism 73 to regulate the axial movement of telescoping component 71 with respect to bushing 56 .
- Mechanism 73 has a small piston 74 a that can slide in a seat formed in frame 67 and terminates with a stopper cap 74 b and an actuator 74 c (of any known type and shown only schematically in FIG. 4 ).
- Telescoping component 72 slides with respect to telescoping component 71 along the axis R from a retracted position to an extracted position.
- a locking screw 95 composed of a radial peg fastened to telescoping component 71 and housed in a long groove 96 formed along telescoping component 72 parallel to axis R, limits the axial travel distance of telescoping component 72 with respect to telescoping component 71 to a pre-determined value.
- Springs 92 tend to move telescoping component 72 away from telescoping component 71 and to keep telescoping component 72 in the extracted position.
- Head 84 features a substantially planar frontal striking surface 98 that cooperates with a surface 99 of counterpart member 62 .
- Counterpart member 62 is integrally connected to and rotates around spindle 55 and is provided with a support 58 for empty bobbin 53 to be filled which, once inserted on support 58 , rotates integrally with support 58 and therefore rotates together with the counterpart member 62 and then with spindle 55 .
- each bobbin 53 then commences. After a few turns, an initial section of the wire (or bundle of wires) 49 stretches from gripper 57 and the turns themselves. At this point, control unit 100 automatically controls the loosening of the gripping force of gripper 57 . To do so, control unit 100 releases actuator 81 , which then ceases to exert its action on mobile member 61 . Despite the action of return spring 64 , telescoping component 71 is blocked by stopper cap 74 b cooperating with flange 75 . Telescoping component 72 is no longer driven by the action of actuator 81 but is pushed by springs 92 and is therefore kept abutted against counterpart member 62 by the force of springs 92 alone.
Abstract
A winding machine has a pay-off unit for unwinding a single- or multiple-end type wire material, a feed bobbin, and an optional take-up unit for rewinding the wire material onto one or more bobbins. The pay-off unit is associated with a wire guide device having a motorized carriage, which can slide along the axis of motion, and has an arm that rotates with respect to the carriage and is equipped with an idler wheel onto which material unwound from the feed bobbin is wound. An angular position sensor detects the inclination of the arm with respect to the carriage and a control unit governs the carriage movements as a function of the signals provided by the sensor. The optional winding unit features at least one take-up device with a gripper to grasp an end of the wire material and actuators to reduce the gripping force of the gripper during winding.
Description
- This application is a divisional application of co-pending U.S. patent application Ser. No. 10/842,330, filed May 10, 2004.
- This application claims priority under 35 U.S.C. 119(a)-(d) to foreign patent application number M12003A 000938, filed in Italy on May 9, 2003.
- This invention concerns winding machines and, in particular, a winding machine with a pay-off unit for unwinding a single- or multiple-end wire material from a feed bobbin.
- As is known, winding machines divide wire material coming from a feed bobbin, which is generally large-sized, onto smaller bobbins, which are then used in subsequent manufacturing processes. In the pay-off unit, the wire is unwound from the feed bobbin by passing it over a snub pulley. The pulley is generally stationary and positioned centrally with respect to the feed bobbin. Thus, while unwinding, the wire moves laterally, forming a variable angle with the pulley. In some cases, and especially for high-speed work with multiple-end wire (formed from a plurality of single wires wound together), this situation can lead to undesired crossing, overlapping and twisting, possibly resulting in breaks.
- The known solution for overcoming this problem is to mount the pulley so that it can freely slide along an axis parallel to the feed bobbin. The pulley is pulled by the wire and follows the movement of the wire itself. This solution is not however entirely satisfactory, since the friction resulting from the dragging of the pulley can lead to malfunctions and breakage of the wire. It is therefore necessary to ensure a careful take-up of the wire material (often multiple strand) onto the bobbins in order to prevent kinking, winding defects, etc., which could negatively influence the subsequent manufacturing processes.
- Known winding units provide take-up devices in which a strand of the wire is grasped by a gripper positioned at one end of the bobbin to be filled. Once the end of the wire is grasped, the rotation of the bobbin causes the wire to wind onto that same bobbin. However, this creates the so-called “bridge effect” problem: the section of wire extending between the gripper and the initial turns wound on the bobbin quill sticks out from the quill, as it is under tension by the flange of the bobbin. Consequently, some turns are wound onto the raised section of wire instead of directly onto the bobbin's quill, causing a bulge in the winding that can cause problems in subsequent manufacturing processes. Machines of the prior art do not offer a satisfactory solution to this problem.
- One of the objectives of this invention is therefore to provide a winding machine that resolves the aforementioned problems, running efficiently even at high operating speeds and preventing defects during the unwinding and winding of the bobbins.
- The present invention is a winding machine having a pay-off unit for unwinding single- or multiple-end wire material from a feed bobbin and a wire guide device for guiding the unwound material from the feed bobbin to an outlet of the pay-off unit. The wire guide device has a motorized carriage which can slide along an axis of motion and bears an idler wheel on which the material unwound from the feed bobbin is wound, a sensor means to detect the slope of the material between the feed bobbin and the idler wheel, and a control unit to control the movement of the carriage as a function of the signals supplied by the sensor means. The winding machine according to the invention makes it possible for the wire material to be very efficiently unwound from the feed bobbin, preventing defects and breaks, even at high operating speeds.
- According to a preferred embodiment, the present invention has at least one take-up device for wire material onto a bobbin, the take-up device comprising a gripper device for gripping a strand of the material and to hold the strand while the material is wound onto the bobbin. The machine of this embodiment further has actuator devices to reduce the gripping force of the gripper devices on the strand while the material winds onto the bobbin and holds the strand with less gripping force than the initial gripping force. This embodiment makes it possible to prevent defects in the take-up unit even in the bobbin formation phase, precluding, in particular, the onset of the so-called “bridge effect”.
- Further characteristics and advantages of this invention will become obvious from the following description of a non-limiting embodiment, with reference to attached illustrated drawings, wherein:
-
FIG. 1 is a schematic view of an embodiment of a winding machine in accordance with the present invention; -
FIGS. 2 and 3 are a plan view from above and a side view, respectively, with cross sections, of an embodiment of a wire guide device included in the machine ofFIG. 1 ; and -
FIG. 4 is a longitudinal cross-sectional view of an embodiment of a take-up device according to the machine ofFIG. 1 . -
FIG. 1 shows in its entirety awinding machine 1, including a pay-off unit 2, for unwinding a single- or multiple-end wire material 3 (metallic for example, though not necessarily so) off offeed bobbin 4, snub andcompensation unit 5, and take-up unit 6 for rewindingmaterial 3 onto one or more final bobbins. Pay-off unit 2, snub andcompensation unit 5, and take-up unit 6 are arranged in series along a path P ofmaterial 3. - Pay-off unit 2 consists of
case 10 within which, rotating onspecial supports 11,feed bobbin 4 is mounted, along withmotor 12 and transmission 13 (known) for rotatingfeed bobbin 4 at a controlled rate, andwire guide device 15 for guidingmaterial 3 unwound fromfeed bobbin 4 tooutlet 16 incase 10, toward snub andcompensation unit 5. - Referring to
FIGS. 2 and 3 as well,wire guide device 15 includes motorized coupledcarriage 17 sliding alongguide 18 and moved bymotor 19.Guide 18 is solidly fastened torear rim 22 ofcase 10, facingfeed bobbin 4, and extends along an axis A substantially parallel to a central axis of symmetry offeed bobbin 4 and delineating an axis of motion ofcarriage 17. -
Guide 18 consists of aprismatic body 23 featuring a pair oftracks 24 arranged on respective faces ofbody 23, orthogonal to each other, and coupled with respective slidingmembers 25 extending fromcarriage 17. Motor 19 is built intocase 10 and is connected to areduction gear 26. Carriage 17 is connected tomotor 19 and dragged alongguide 18 by apositive drive belt 27, in a manner well-known in the art and thus neither described nor illustrated for the sake of simplicity. - A
straight arm 30 overhangs obliquely fromcarriage 17 extending towardsfeed bobbin 4, substantially orthogonal to axis A.Arm 30 features a connectingend 31 hinged tocarriage 17 and afree end 32 that supports anidler wheel 33 onto whichmaterial 3 unwound fromfeed bobbin 4 is wound.Arm 30 is made integral withcarriage 17 and rotates with respect tocarriage 17. In a preferred embodiment,arm 30 is made integral with apin 34, which is inserted freely rotating inseat 35 supported bycarriage 17 and extends substantially perpendicular to axis A, delineating an axis of rotation ofarm 30 with respect tocarriage 17. Carriage 17 has anauxiliary wheel 36, positioned so as to align withidler wheel 33 and mounted directly above connectingend 31 ofarm 30. -
Wire guide device 15 also consists of sensor means 40 for detecting the inclination ofmaterial 3 fromfeed bobbin 4 andidler wheel 33 andcontrol unit 41 for controlling the movement ofcarriage 17 as a function of the signals supplied by sensor means 40. In a preferred embodiment, sensor means 40 has an angular position sensor to detect the inclination ofarm 30 with respect tocarriage 17. For example,sensor 42 maybe a potentiometer (known) joined at connectingend 31 ofarm 30 to detect the slope ofarm 30 with respect toaxis A. Sensor 42 is therefore supported bycarriage 17 and is connected to rotatingpinion 43 mounted oncarriage 17.Pinion 43 meshes with toothed disk 44 (semicircular, for example) which is attached at an upper end ofpin 34 and rotates integrally withpin 34 and thus witharm 30. - Control unit 41 (known) acts on
motor 19 to govern the movement ofcarriage 17 along axis A so as to keeparm 30 substantially perpendicular tocarriage 17 whilematerial 3 unwinds fromfeed bobbin 4. The electrical connections among the various components of pay-off unit 2 are not shown for simplicity. The functional connection betweencontrol unit 41,sensor 42, andmotor 19 is only illustrated schematically inFIG. 2 . - Again with reference to
FIG. 1 , snub andcompensation unit 5 is well known and is not described in detail for the sake of simplicity. In general, snub andcompensation unit 5 has a plurality ofpulleys 47 borne by asupport 48 and onto which the respective wires or bundles ofwire 49material 3, taken-off fromfeed bobbin 4, are wound. The distance betweenpulley pairs 47 varies in order to adjust the working speed of pay-off unit 2 to the working speed of take-up unit 6. - Take-up
unit 6 has acase 51 and a plurality ofbobbin winding devices 52 to wind the respective wires or bundles ofwires 49 of material 3 (originating from snub and compensation unit 5) ontorespective bobbins 53.Bobbins 53 are drawn fromloader 54 and carried to their respective take-up devices 52 by a mobile carriage (known and not shown). As shown inFIG. 4 , each take-up device 52 has rotatingspindle 55, supported around an axis of rotation R bycase 51 and connected to a motor in known manner not shown, abushing 56, fastened tocase 51 and within which rotatingspindle 55 is housed, and agripper 57, positioned at a free end of bushing 56 and havingsupport 58 for anempty bobbin 53 to be filled. Gripper 57 has amobile element 61 that cooperates when closed with itscounterpart member 62.Mobile element 61 andcounterpart member 62 delineate the respective jaws ofgripper 57 and slide one over the other along axis R to tighten anend 63 of material 3 (one wire or a bundle of wires 49) betweenmobile element 61 andcounterpart member 62 in order to holdend 63 whilematerial 3 is winding ontobobbin 53. At rest,mobile element 61 is kept detached fromcounterpart member 62 by the action of areturn spring 64. - Bushing 56 is provided internally with a substantially
cylindrical seat 65 in which rotatingspindle 55 is housed, supported bybearings 66.Bushing 56 is fastened to aframe 67, which is in turn fastened tocase 51. -
Mobile element 61 is composed of two tubulartelescopic components Tubular telescoping component 71 fits radially over the outside ofbushing 56 and slides along axis R with respect tobushing 56.Frame 67 bears amechanism 73 to regulate the axial movement oftelescoping component 71 with respect tobushing 56.Mechanism 73 has asmall piston 74 a that can slide in a seat formed inframe 67 and terminates with astopper cap 74 b and an actuator 74 c (of any known type and shown only schematically inFIG. 4 ).Stopper cap 74 b cooperates axially, abutting againstflange 75 on a radius external totelescoping component 71, in order to providetelescoping component 71 with a predetermined and adjustable axial travel distance.Telescoping component 71 is coupled to bushing 56 by inserting two mutually concentric 0-rings 76.Telescoping component 71 is equipped with one shoulder 77 within the internal radius, facing ashoulder 78 formed on the external lateral surface ofbushing 56 to delineate an annular 79 compartment positioned between O-rings 76.Compartment 79 is connected through aconduit 80 to a pneumatic actuator 81 (known and only schematically represented inFIG. 4 ).Telescoping component 71 also has acylindrical end portion 82 which houses slidingtubular telescoping component 72. -
Telescoping component 72 overhangs axially extending from telescopingcomponent 71 and has aportion 83 that inserts sleeve-like intoportion 82 oftelescoping component 71 and an annular 84 head axially integrated to and rotates aroundportion 83 by. means ofbearings 85.Portion 83 is loaded by a spring actuator 91 composed of a plurality ofsprings 92 arranged in parallel and circumferentially along anend rim 93 ofportion 83 and positioned between end rim 93 and astop 94 within the radius formed by telescopingcomponent 71. -
Telescoping component 72 slides with respect totelescoping component 71 along the axis R from a retracted position to an extracted position. A locking screw 95, composed of a radial peg fastened totelescoping component 71 and housed in along groove 96 formed alongtelescoping component 72 parallel to axis R, limits the axial travel distance oftelescoping component 72 with respect totelescoping component 71 to a pre-determined value.Springs 92 tend to movetelescoping component 72 away from telescopingcomponent 71 and to keeptelescoping component 72 in the extracted position. -
Head 84 features a substantially planar frontalstriking surface 98 that cooperates with asurface 99 ofcounterpart member 62.Counterpart member 62 is integrally connected to and rotates aroundspindle 55 and is provided with asupport 58 forempty bobbin 53 to be filled which, once inserted onsupport 58, rotates integrally withsupport 58 and therefore rotates together with thecounterpart member 62 and then withspindle 55. -
Actuator 81 is controlled by a control unit 100 (known and only schematically shown inFIGS. 1 and 4 ), which also commands actuator 74 c.Actuators 81, 91 act ongripper 57 to reduce the grasping force ofgripper 57 onstrand 63 whilematerial 3 is being wound ontobobbin 53 and holdstrand 63 with a lesser grasping force than the initial gripping force, bringinggripper 57 from an initial operational condition, in which gripper 57 holdsstrand 63 with a pre-determined gripping force, to a second operational condition, in which gripper 57 holdsstrand 63 with a gripping force less than the pre-determined gripping force.Actuators 81, 91 may be any suitable such device known in the art including, but not limited to, pneumatic and spring-loaded devices. - In the non-limiting embodiment referred to herein,
actuators 81, 91 act ontelescoping components control unit 100, to exert a primary and secondary gripping force, respectively, onstrand 63. The secondary gripping force is less than the initial gripping force, has a non-zero value, and is substantially equal to the force exerted onstrand 63 from the winding of material ontobobbin 53. -
Machine 1 operates as follows:Feed bobbin 4 is positioned incase 10 of pay-off unit 2. One ormore strands 63 ofmaterial 3 wound ontofeed bobbin 4 are positioned onidler wheel 33 and onauxiliary wheel 36 ofwire guide device 15. They then pass ontopulley 47 of snub andcompensation unit 5 and are finally fastened onto their respective windingdevices 52, being gripped withrespective grippers 57. - As
material 3 is unwound fromfeed bobbin 4, it moves in parallel to the same axis offeed bobbin 4.Arm 30 tends to follow this movement, inclining with respect tocarriage 17.Sensor 42 detects the angular displacement ofarm 30 with respect tocarriage 17, a displacement that is also a measure of the slope ofmaterial 3 with respect to feedbobbin 4. The signal detected bysensor 42 goes to controlunit 41, which governsmotor 19 movingcarriage 17 so as to keeparm 30 substantially perpendicular to axis A at all times. - As regards take-up
unit 6, the operator places eachstrand 63 betweenmember 61 and thecounterpart member 62 ofgripper 57. Control unit 100 (actuated by the operator) then governs the activation ofpneumatic actuator 81, which acts on telescopingcomponent 71 to securely grip telescopingcomponent 71 againstcounterpart member 62 with the intervention oftelescoping component 72. The emission of pressurized fluid incompartment 79 in fact causes the displacement of the entiremobile member 61 along axis R and bringsgripper 57 to the operational condition in which gripper 57 holdsstrand 63 with a relatively high, pre-determined gripping force.Telescoping component 72 is essentially clamped againstcounterpart member 62 by the action ofpneumatic actuator 81.Control unit 100 then activatesmechanism 73, governing the advance of thesmall piston 74 a driving thestopper cap 74 b to abut againstflange 75. - The take-up onto each
bobbin 53 then commences. After a few turns, an initial section of the wire (or bundle of wires) 49 stretches fromgripper 57 and the turns themselves. At this point,control unit 100 automatically controls the loosening of the gripping force ofgripper 57. To do so,control unit 100 releases actuator 81, which then ceases to exert its action onmobile member 61. Despite the action ofreturn spring 64,telescoping component 71 is blocked bystopper cap 74 b cooperating withflange 75.Telescoping component 72 is no longer driven by the action ofactuator 81 but is pushed bysprings 92 and is therefore kept abutted againstcounterpart member 62 by the force ofsprings 92 alone. The force ofsprings 92 is less than the force exerted byactuator 81 and of a magnitude that allows the slipping ofwire 49 ingripper 57. In this way,wire 49 flattens on the bobbin'squill 53 without causing bulging. When the whole initial section of thewire 49 is wound beneath the turns being formed,control unit 100 again activatesactuator 81, restoring the initial gripping force that is maintained until the end of the winding process, andmechanism 73, retracting thesmall piston 74 a. - Each of the various embodiments described above may be combined with other described embodiments in order to provide multiple features. Furthermore, while the foregoing describes a number of separate embodiments of the apparatus and method of the present invention, what has been described herein is merely illustrative of the application of the principles of the present invention. Other arrangements, methods, modifications, and substitutions by one of ordinary skill in the art are therefore also considered to be within the scope of the present invention, which is not to be limited except by the claims that follow.
Claims (20)
1. A winding machine comprising:
a pay-off unit for unwinding single- or multiple-end wire material from a feed bobbin; and
a wire guide device for guiding the unwound material from the feed bobbin to an outlet of the pay-off unit, the wire guide device comprising:
a motorized carriage, which can slide along an axis of motion;
an arm bearing an idler wheel on which the material unwound from the feed bobbin is wound, the arm being rotatably attached to the carriage and rotating angularly along the axis of motion of the carriage;
sensor means to detect the slope of the material between the feed bobbin and the idler wheel; and
a control unit to control the movement of the carriage as a function of the signals supplied by the sensor means.
2. A machine according to claim 1 , wherein the sensor means comprises an angular position sensor to detect the slope of the arm with respect to the carriage.
3. A machine according to claim 2 , wherein the control unit governs the movement of the carriage along the axis of motion to keep the arm substantially perpendicular to the axis of motion while the wire material is being unwound from the bobbin.
4. A machine according to claim 3 , wherein the arm extends cantilever-like from the carriage substantially perpendicular to the axis of motion and features a connecting end hinged to the carriage and a free end bearing the idler wheel.
5. A machine according to claim 4 , wherein the sensor is a potentiometer associated with the connecting end of the arm to detect the slope of the arm with respect to the axis of motion.
6. A machine according to claim 1 , further comprising:
at least one take-up device for winding wire material onto a bobbin, the take-up device comprising:
at least one gripper device for gripping a strand of the material and to hold said strand while the material is wound onto the bobbin; and
at least one actuator device to reduce the gripping force of the gripper devices on said strand while the material winds onto the bobbin and holds said strand with less of a gripping force than the initial gripping force.
7. A machine according to claim 6 , wherein the actuator device acts on the gripper device to bring the gripper device from an initial operational condition, in which the gripper device holds onto said strand with a pre-determined gripping force, to a second operational condition, in which the gripper device retains said strand with a gripping force less than said pre-determined gripping force.
8. A machine according to claim 7 , wherein the take-up device comprises both a primary and a secondary actuator device that may be activated selectively to exert an initial and secondary gripping force, in that order, less than the initial gripping force, on said strand.
9. A machine according to claim 8 , wherein said secondary gripping force has a value other than zero and is substantially equal to the force exerted on said strand from the winding of the wire material onto the bobbin.
10. A machine according to one of claim 6 , wherein the gripper device comprises a moving member that cooperates when closed with a counterpart member to grip said strand between the moving member and the counterpart member, said moving member comprising a primary and a secondary element that are coupled and which slide over each other along an axis.
11. A machine according to claim 8 , wherein the primary actuator device is a pneumatic actuator device and the secondary actuator device is a spring-loaded actuator device.
12. A machine according to claim 8 , wherein the secondary element extends axially and cantilever-like from the primary element and features an abutting surface cooperating with the counterpart member and the primary actuator device acts on said primary element to firmly grip the primary element against the counterpart member with the intervention of the secondary element.
13. A machine according to claim 12 , wherein the secondary element slides with respect to the primary element for a pre-determined travel distance between a retracted position and an extracted position and is propelled by a an elastic device located between the primary and secondary elements to keep the secondary element in said extracted position.
14. A machine according to claim 10 , wherein the primary element is supported by a frame and can slide along said axis with respect to the frame and the take-up device comprises a mechanism to regulate said axial travel distance for the element with respect to the frame to provide the primary element with a pre-determined and adjustable axial travel distance.
15. A machine according to one of the claim 7 , wherein the actuator devices are controlled by a second control unit.
16. A pay-off unit for single- or multiple-end wire material from a feed bobbin, comprising:
a feed-bobbin support device and a wire guide device to guide the unwound wire material from the feed bobbin to an outlet of the pay-off unit, the wire guide device comprising:
a motorized carriage that can slide along an axis of motion;
an arm bearing an idler wheel on which the material unwound from the feed bobbin is wound, the arm being rotatably attached to the carriage and rotating angularly along the axis of motion of the carriage;
sensor means to detect the slope of the material between the feed bobbin and the idler wheel; and
a control unit to control the movement of the carriage as a function of the signals supplied by the sensor means.
17. A machine according to claim 16 , wherein the sensor means comprises an angular position sensor to detect the slope of the arm with respect to the carriage.
18. A machine according to claim 17 , wherein the control unit governs the movement of the carriage along the axis of motion to keep the arm substantially perpendicular to the axis of motion while the wire material is being unwound from the bobbin.
19. A machine according to claim 18 , wherein the arm extends cantilever-like from the carriage substantially perpendicular to the axis of motion and features a connecting end hinged to the carriage and a free end bearing the idler wheel.
20. A machine according to claim 19 , wherein the sensor is a potentiometer associated with the connecting end of the arm to detect the slope of the arm with respect to the axis of motion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/705,199 US20070235578A1 (en) | 2003-05-09 | 2007-02-12 | Pay-off apparatus for winding machine |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000938A ITMI20030938A1 (en) | 2003-05-09 | 2003-05-09 | WINDING MACHINE |
ITMI2003A000938 | 2003-05-09 | ||
US10/842,330 US7175125B2 (en) | 2003-05-09 | 2004-05-10 | Take-up apparatus for winding machine |
US11/705,199 US20070235578A1 (en) | 2003-05-09 | 2007-02-12 | Pay-off apparatus for winding machine |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/842,330 Division US7175125B2 (en) | 2003-05-09 | 2004-05-10 | Take-up apparatus for winding machine |
Publications (1)
Publication Number | Publication Date |
---|---|
US20070235578A1 true US20070235578A1 (en) | 2007-10-11 |
Family
ID=33446429
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/842,330 Expired - Fee Related US7175125B2 (en) | 2003-05-09 | 2004-05-10 | Take-up apparatus for winding machine |
US11/705,199 Abandoned US20070235578A1 (en) | 2003-05-09 | 2007-02-12 | Pay-off apparatus for winding machine |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/842,330 Expired - Fee Related US7175125B2 (en) | 2003-05-09 | 2004-05-10 | Take-up apparatus for winding machine |
Country Status (4)
Country | Link |
---|---|
US (2) | US7175125B2 (en) |
CN (2) | CN101492135A (en) |
IT (1) | ITMI20030938A1 (en) |
WO (1) | WO2004101403A2 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101343004B (en) * | 2008-07-30 | 2012-07-04 | 林军华 | Winding device for tubular shaped medical instruments |
CN102360943B (en) * | 2011-09-14 | 2012-10-03 | 天津市滨海电器有限公司 | Wire winding machine for annular coil |
US8882081B2 (en) * | 2012-03-31 | 2014-11-11 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Line guiding structure |
US20140132693A1 (en) * | 2012-11-13 | 2014-05-15 | Klein Tools, Inc. | Method and System for Marking a Fish Tape Using a Laser Marking System |
CN103072847B (en) * | 2013-01-24 | 2015-09-30 | 山东胜通钢帘线有限公司 | Divide dish admission machine |
CN107682805B (en) * | 2016-08-02 | 2023-03-21 | 北京清大天达光电科技股份有限公司 | Pre-paying-off device and method for spool |
CN106672696B (en) * | 2017-03-14 | 2019-10-11 | 中原工学院 | A kind of electret silk thread automatic winding machine and its winding method |
CN106933152A (en) * | 2017-04-01 | 2017-07-07 | 深圳市红昌机电设备有限公司 | Coil winding machine control method and system based on action |
KR102160074B1 (en) * | 2018-08-30 | 2020-09-25 | (주)이티에스 | Wire handler |
KR102160073B1 (en) * | 2018-08-30 | 2020-09-25 | (주)이티에스 | Wire handler |
CN112623855B (en) * | 2020-03-31 | 2022-04-29 | 广州珠江电缆有限公司 | Cable paying-off method with online monitoring and buffering functions |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3368772A (en) * | 1966-12-19 | 1968-02-13 | Western Electric Co | Wire feed control apparatus |
US3592399A (en) * | 1969-08-04 | 1971-07-13 | Morgan Construction Co | Front end catcher |
US3670988A (en) * | 1970-08-03 | 1972-06-20 | Boeing Co | Winch apparatus for faired towline |
US3833164A (en) * | 1972-07-20 | 1974-09-03 | Somerville Ind Ltd | Decorative container |
US4181267A (en) * | 1978-04-25 | 1980-01-01 | Schmitz Steger Werner | Arrangement for compact winding of a continuously fed wire |
US4695010A (en) * | 1986-06-12 | 1987-09-22 | Beebe International, Inc. | Levelwind mechanism |
US5205890A (en) * | 1989-02-28 | 1993-04-27 | At&T Bell Laboratories | Method for providing stable package of elongated optical fiber with bonded convolutions |
US20030029214A1 (en) * | 2001-08-10 | 2003-02-13 | Steudle Ernst W. | Method and apparatus to uncoil and dekink coiled material |
US6601793B2 (en) * | 2000-03-30 | 2003-08-05 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Filament winding apparatus and yarn end processing method for the apparatus |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5233269B2 (en) * | 1971-12-18 | 1977-08-26 | ||
US4355526A (en) * | 1980-03-24 | 1982-10-26 | Wean United, Inc. | Method and apparatus for uncoiling and straightening material for processing thereof |
US4580738A (en) * | 1983-12-05 | 1986-04-08 | The Goodyear Tire & Rubber Company | Controlled tension unwinding system |
-
2003
- 2003-05-09 IT IT000938A patent/ITMI20030938A1/en unknown
-
2004
- 2004-05-10 CN CNA2009100054759A patent/CN101492135A/en active Pending
- 2004-05-10 WO PCT/US2004/014625 patent/WO2004101403A2/en active Application Filing
- 2004-05-10 US US10/842,330 patent/US7175125B2/en not_active Expired - Fee Related
- 2004-05-10 CN CNB2004800191944A patent/CN100467363C/en not_active Expired - Fee Related
-
2007
- 2007-02-12 US US11/705,199 patent/US20070235578A1/en not_active Abandoned
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3368772A (en) * | 1966-12-19 | 1968-02-13 | Western Electric Co | Wire feed control apparatus |
US3592399A (en) * | 1969-08-04 | 1971-07-13 | Morgan Construction Co | Front end catcher |
US3670988A (en) * | 1970-08-03 | 1972-06-20 | Boeing Co | Winch apparatus for faired towline |
US3833164A (en) * | 1972-07-20 | 1974-09-03 | Somerville Ind Ltd | Decorative container |
US4181267A (en) * | 1978-04-25 | 1980-01-01 | Schmitz Steger Werner | Arrangement for compact winding of a continuously fed wire |
US4695010A (en) * | 1986-06-12 | 1987-09-22 | Beebe International, Inc. | Levelwind mechanism |
US5205890A (en) * | 1989-02-28 | 1993-04-27 | At&T Bell Laboratories | Method for providing stable package of elongated optical fiber with bonded convolutions |
US6601793B2 (en) * | 2000-03-30 | 2003-08-05 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Filament winding apparatus and yarn end processing method for the apparatus |
US20030029214A1 (en) * | 2001-08-10 | 2003-02-13 | Steudle Ernst W. | Method and apparatus to uncoil and dekink coiled material |
Also Published As
Publication number | Publication date |
---|---|
CN1819963A (en) | 2006-08-16 |
WO2004101403A3 (en) | 2006-04-06 |
US20050103919A1 (en) | 2005-05-19 |
CN101492135A (en) | 2009-07-29 |
US7175125B2 (en) | 2007-02-13 |
CN100467363C (en) | 2009-03-11 |
ITMI20030938A1 (en) | 2004-11-10 |
WO2004101403A2 (en) | 2004-11-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20070235578A1 (en) | Pay-off apparatus for winding machine | |
EP1807335B2 (en) | Method and device for operating a work station of a textile machine that produces cross-wound bobbins | |
EP1460015B1 (en) | Yarn winder | |
EP0916610B1 (en) | Winding apparatus | |
CA1155820A (en) | Wire take-off device | |
CN1163395C (en) | Spooling machine | |
JP5287992B2 (en) | Yarn winding device | |
CN103124629A (en) | Filament winding device | |
CN1509972A (en) | Method and device for starting working position of apparatus for manufacturing cross winding bobbins | |
CN101759062A (en) | Yarn winding device and automatic winder | |
EP2072440B1 (en) | Unwinding assisting device and method for operating an unwinding assisting device | |
EP0334359B1 (en) | Method and apparatus for passing threadlike pieces through tubular products | |
DE102012016854A1 (en) | Method of connecting coil with winding at winding station of winding machine, involves inserting upper thread into thread link assembly, if tubular connector of suction nozzle is in thread insertion position | |
EP2279976B1 (en) | Method for operating workplaces on a textile machine for creating cross-wound spools | |
EP1457446B9 (en) | Tension control and slack eliminating device for a yarn winder | |
JP2542181B2 (en) | Bobbin reserve winding method and apparatus | |
EP0852216A2 (en) | Textile machine for making cross-wound bobbins | |
US3717311A (en) | Apparatus for packaging linear material | |
EP2028149A2 (en) | Winding tension control device | |
CN1136097A (en) | System for handling and distributing spools to coning stations of automatic coning machine | |
DE4414180C2 (en) | Process for winding an elastic thread and a winding machine therefor | |
EP2097346B1 (en) | Bobbin brake for a winding apparatus of a textile machine which produces crosswound bobbins | |
CN104555574A (en) | Yarn winding machine | |
CN1833973B (en) | Yarn traversing device for a winding device of a textile machine producing cross-wound bobbins | |
US4103833A (en) | Yarn winding apparatus |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: WARDWELL BRAIDING MACHINE CO., RHODE ISLAND Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:REDAELLI, LUIGI;REEL/FRAME:019068/0983 Effective date: 20030513 |
|
AS | Assignment |
Owner name: KELTIC FINANCIAL PARTNERS, LP, NEW YORK Free format text: RIDER TO GENERAL SECURITY AGREEMENT - PATENTS;ASSIGNOR:WARDWELL BRAIDING MACHINE COMPANY;REEL/FRAME:021876/0780 Effective date: 20081119 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |