EP0148129B1 - Verfahren und Vorrichtung zum Auswechseln von Spulen an Flügerspinnmaschinen - Google Patents

Verfahren und Vorrichtung zum Auswechseln von Spulen an Flügerspinnmaschinen Download PDF

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Publication number
EP0148129B1
EP0148129B1 EP19840810660 EP84810660A EP0148129B1 EP 0148129 B1 EP0148129 B1 EP 0148129B1 EP 19840810660 EP19840810660 EP 19840810660 EP 84810660 A EP84810660 A EP 84810660A EP 0148129 B1 EP0148129 B1 EP 0148129B1
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EP
European Patent Office
Prior art keywords
bobbin
bobbin changing
changing
row
distance
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.)
Expired
Application number
EP19840810660
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English (en)
French (fr)
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EP0148129A3 (en
EP0148129A2 (de
Inventor
Yoshinori Saruwatari
Yoshio Kurachi
Kouichi Yamada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Howa Kogyo KK
Original Assignee
Howa Kogyo KK
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
Priority claimed from JP25096283A external-priority patent/JPS60139835A/ja
Priority claimed from JP25096383A external-priority patent/JPS60167940A/ja
Application filed by Howa Kogyo KK filed Critical Howa Kogyo KK
Publication of EP0148129A2 publication Critical patent/EP0148129A2/de
Publication of EP0148129A3 publication Critical patent/EP0148129A3/en
Application granted granted Critical
Publication of EP0148129B1 publication Critical patent/EP0148129B1/de
Expired legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
    • D01H9/02—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for removing completed take-up packages and replacing by bobbins, cores, or receptacles at take-up stations; Transferring material between adjacent full and empty take-up elements
    • D01H9/08—Doffing arrangements independent of spinning or twisting machines
    • D01H9/10—Doffing carriages ; Loading carriages with cores

Definitions

  • the present invention relates to a method for picking up full bobbins arranged in a zigzag arrangement from a roving frame and transferring the full bobbins to a bobbin conveying apparatus in a single row arrangement with a distance between bobbins the same as in a creel of a spinning frame, and vice versa, and an apparatus for performing the method.
  • a roving frame 1 usually has bobbin wheels 5a, 5b arranged in a zigzag arrangement in a front row and back row, each four bobbin wheels forming a group.
  • the distances between adjacent bobbins in the roving frame, i.e., bobbin pitch P1, P2, and the distance L2 between the front row and the back row are determined on the basis of the size of the full bobbins and other factors.
  • the distances P between bobbins of the creel of the spinning frame 501 differ from the distances P1, P2 in the roving frame as shown in Fig. 25.
  • a bobbin changing machine capable of picking up two full bobbins of a zigzag arrangement, i.e., a full bobbin in the front row of the bobbin wheels and a full bobbin in the back row of the bobbin wheels, having a distance in a lateral direction therebetween corresponding to the distance between the bobbins of the creel of the spinning frame, and conveying palettes having bobbin supporting members in a zigzag arrangement having the same distance as between the bobbins in the front row and the back row of the roving frame.
  • this bobbin changing machine can only doff two full bobbins in one doffing operation, so the efficiency of the doffing operation is low.
  • the conveying palettes have a large width corresponding to the width between the front row and the back row of the roving frame, so it is necessary to increase the distance between the roving frame and the bobbin changing machine.
  • problems regarding the strength of the bobbin changing machine, especially, the bobbin supporting mechanism for picking up the bobbins from the roving frame have occurred.
  • a conveying device slidably engaged on a rail arranged on a front side of the roving frame and having bobbin supporting members spaced at distances the same as bobbins in the creel of the spinning frame, and a bobbin changing machine, capable of moving in a direction parallel to the lengthwise direction of the roving frame.
  • the bobbins are transmitted from bobbin wheels of the roving frame to the bobbin supporting members of the conveying device by intermittently moving each bobbin supporting member to a position corresponding to the bobbin wheel of the roving frame.
  • the present invention aims to eliminate the above problems in the prior art and proposes a method and an apparatus for easily and efficiently changing roving bobbins from a double-row type roving machine having upper hanging flyers arranged in a zig-zag arrangement to a bobbin conveying apparatus and vice versa.
  • a bobbin changing machine of a roving frame capable of moving along a front face of a double-row type roving machine having upper hanging flyers arranged in a zigzag arrangement and capable of stopping at a predetermined position.
  • the bobbin changing machine is provided with at least one bobbin changing device capable of moving in a direction perpendicular to a lateral direction of the roving frame and in a vertical direction.
  • Each bobbin changing device includes a plurality of front row bobbin changing arms capable of approaching in parallel a plurality of the upper hanging flyers in a front row; a plurality of back row bobbin changing arms arranged alternately with the front row bobbin changing arms and capable of approaching in parallel a plurality of the upper hanging flyers in a back row; a lateral distance changing device capable of changing the distance in the lateral direction, i.e.,the lengthwise direction of the roving frame, between the front row bobbin changing arms and the back row bobbin changing arms; and a front and back distance changing device capable of changing the distance in the direction perpendicular to the lateral direction of the roving frame between the front row bobbin changing arms and the back row bobbin changing arms.
  • the lateral distance changing device and front and back distance changing device are operated and bobbins are changed when the bobbin changing machine is stopped at a predetermined bobbin changing position.
  • a plurality of upper hang type flyers 3 are hung in a front row and a back row on a top rail 2 of a roving frame 1.
  • Four flyers 3 per staff constitute a group.
  • the distance between adjacent flyers in the group in the lateral direction, i.e., the lengthwise direction of the roving frame, is defined as P1
  • the distance between a bobbin of one group and a bobbin of another group adjacent to former group is defined as P2
  • the distance between the front row and the back row is defined as L2.
  • the flyers 3 are rotated at a high speed by means of a driving shaft and gears arranged in the top rail 2.
  • a bobbin rail 4 is arranged below the flyers 3.
  • Bobbin wheels 5a, 5b concentric with each flyer and provided on the bobbin rail 4 are rotated at a high speed by means of the driving shaft and the gears. Top portions of the bobbin wheels 5a, 5b protrude from a top face of the bobbin rail 4.
  • a chain 14 surrounds the following sprocket wheel 11 and a driving sprocket wheel 13 associated with a driving motor 12 secured to the bottom plate 7.
  • Each travelling wheel 9, 9 rotatably rides on travelling rails 15, 15 arranged on a front side floor of the roving frame 1 and having at least a length corresponding to the length in a lateral direction of the roving frame.
  • Reference numeral 16 indicates a plurality of positioning members arranged at a point corresponding to a center of the distance P2 on a floor between the travelling rails 15,15 and the roving frame 1 and arranged every distance P3 in the lateral direction of the roving frame.
  • bobbin change centers CL1 and CL2 vertical planes including the positioning member 16 are indicated as bobbin change centers CL1 and CL2 in the roving frame.
  • a proximity switch 17 capable of detecting the approach of the positioning member is arranged on the bobbin changing machine main body 6. The proximity switch 17 is placed at a position corresponding to the center of the distance between the fourth front or back row bobbin changing arm and fifth back or front row bobbin changing arm in a bobbin changing device 18a or 18b, described hereinafter.
  • a vertical plane including the proximity switch 17 is indicated as a bobbin change center CL in the bobbin changing machine AD.
  • the bobbin changing devices 18a, 18b are capable of moving in a front and back direction, i.e., the direction perpendicualr to the lateral direction of the roving frame, approaching the roving frame 1 and leaving the roving frame 1, and ascending and descending.
  • the front bobbin changing device 18a is arranged near the roving frame 1 and is used for doffing full bobbins.
  • the back changing device 18b is arranged remote from the roving frame 1 and used for inserting empty bobbins.
  • the constitution of the bobbin changing device 18a and the front and back moving mechanism thereof and ascending and descending mechanism thereof are the same as those of the bobbin changing device 18b. Therefore, the description will be limited to the bobbin changing device 18a and the front and back moving mechanism and ascending and descending mechanism thereof.
  • the constitution of the bobbin changing device 18a and the front and back moving mechanism thereof and ascending and descending mechanism thereof are the same as those of the bobbin changing device 18b. Therefore, the description will be limited to the bobbin changing device 18a and the front and back moving mechanism and ascending and descending mechanism thereof.
  • reference numeral 19 indicates a cylinder for moving the bobbin changing device 18a in a front and back direction against the roving frame.
  • the bobbin changing device 18a is secured on a middle plate 20 which is secured on bearings 10, 10 of the travelling wheels 9, 9.
  • a cylinder rod 21 of the cylinder 19 is connected to a rack lever 22 for rotating a right side spline shaft.
  • This rack lever is called the right rack lever 22 hereinafter.
  • a bottom side of the right rack lever 22 is guided by guide wheels 23, 23 supported rotatably on a top face of the middle plate 20.
  • a rear side of the right rack lever 22 is pushed by the guide wheels 23, 23.
  • the right rack lever 22 can therefore be moved in a lateral direction on the horizontal plane.
  • the right rack lever 22 is provided with racks 24a, 24b at its two ends on the sides facing the roving frame.
  • Reference numeral 25 indicates a rack lever for .rotating a left side spline shaft.
  • This rack lever is called the left rack lever 25 hereinafter.
  • the left rack lever 25 is provided at its left end with a rack 26b on the side facing the roving frame, and with a rack 26a at its right end on a side facing the rack 24a.
  • the left rack lever 25 is guided by the guide wheels 23, 23 to move in the horizontal plane.
  • the rack 24a of the right rack lever 22 and the rack 26a of the left rack lever 25 opposite thereto are engaged with a pinion gear 27 mounted rotatably on the middle plate 20 by means of a vertical shaft. Therefore, movement of the right rack lever 22 can be transmitted to the left rack lever 25.
  • Reference numerals 28a, 28b indicate a left side spline shaft and a right side spline shaft, respectively.
  • upper ends and lower ends of each spline shaft are inserted into the upper bracket 30 and lower bracket 30 secured to side plates 29, 29 of the bobbin changing machine main body 6. Therefore, each spline shaft is rotatably supported as the predetermined vertical position.
  • Bottom ends of the spline shafts 28a, 28b are fixed with sector gears 31, 31 by a key and the like.
  • the sector gears 31, 31 are engaged with the rack 26b of the left rack lever 25 and the rack 24b of the right rack lever 22, respectively.
  • boss portions of swing arms 32, 32 engage slidably in the vertical direction with the left and right spline 28a, 28b.
  • the boss portions have small diameter portions at their Iwoer ends.
  • Ascent and descent guiding rings 33, 33 engage rotatably with these small portions.
  • the bobbin changing device 18a has slits 35, 35 arranged in the lengthwise dierction on a left portion and a right portion of a bottom plate 34 of the bobbin changing device 18a, respectively.
  • Guide rack levers 36, 36 are arranged on the bobbin changing device 18a in such way that they slidably contact inside faces of a front plate 37 and a back plate 38 and the bottom plate 34 and can be moved only in the lateral direction by guide rollers 39, 39, supported rotatably on the bottom plate 34 by a vertical shaft.
  • Each portion corresponding to a center of the bobbin changing device 18a of the guide rack levers 36, 36 is provided with mutually opposing racks 40, 40.
  • the racks 40, 40 engage with a carrier pinion gear mounted rotatably on the bottom plate 34 by a shaft, respectively.
  • the each other end portions of the guide rack levers 36, 36 are formed as attachment portions 36a, 36a having an L-shaped configuration and are also provided with attachment holes 36b, 36b.
  • Sliding pins 42, 42 are rotatably inserted to the attachment holes 36b, 36b, inserted also to the slits 35, 35 of the bobbin changing device 18a, and secured to top portions of the swing arms 32, 32.
  • Reference numeral 43 indicates an ascent and descent cylinder hung from a top plate 44 of the bobbin changing machine main body 6 at the left side of the left spline shaft 38a.
  • the top end of a cylinder rod 43a of the ascent and descent cylinder is provided with a sprocket holder 46 holding rotatably a pair of carrier sprockets 45a, 45b in the vertical direction.
  • An associated ascent and descent shaft 47 arranged in the horizontal direction in the lower portion of the bobbin changing machine main body 6 is supported rotatably by the bobbin changing machine main body 6. Both ends of the associated shaft 47 are connected to drive sprockets 48a, 48b by keys.
  • Reference numerals 49a, 49b are sprockets mounted rotatably on a horizontal shaft attached in the upper portions of the drive sprockets 48a, 48b to the left and right side plates 29, 29 of the bobbin changing machine main body 6.
  • the carrier sprockets 45a, 45b, the drive sprocket 48a, and the sprocket 49a are arranged so that they are positioned in the same vertical plane.
  • the drive sprocket 48b and the sprocket 49b are also arranged so that they are positioned in the same vertical plane.
  • Reference numeral 50 indicates an ascent and descent chain secured to the top plate 44 of the bobbin changing device main body 6.
  • An end of the ascent and descent chain 50 is wound on the upper sprocket 45a of the sprocket holder 46, the sprocket 49a, the drive sprocket 48a, and the lower sprocket 45b of the sprocket holder 46.
  • the other end of the chain 50 is secured to the bottom plate 7.
  • a following chain 51 is wound around the drive sprocket 48b and the sprocket 49b.
  • the ascent and descent chain 50 and the following chain 51 are connected with the ascent and descent guiding rings 33, 33 in the position between the sprockets 49a, 49b and the drive sprockets 48a, 48b, respectively.
  • the bobbin changing device has a box-type configuration with an open upper face. Sliding faces 52, 52 are formed on the upper face.
  • Reference numeral 53 indicates a front row slider including the front row bobbin changing arms, and reference numeral 54 a back row slider including the back row bobbin changing arms. These are arranged alternately on thd sliding faces 52, 52 in the sequence of a back row bobbin changing arm and a front row bobbin changing arm from the left and, as shown in Fig. 3.
  • Movement in the front and back direction of both bobbin changing arms is controlled by sliders 55, 55, secured to a front plate 37 and a back plate 38 of the bobbin changing device 18a, respectively.
  • the arms can, however move freely in the lateral direction.
  • the front row slider 53 and the back row slider 54 adjacent thereto are secured at lower side faces to threaded bodies 56, 57 such that the two threaded bodies face each other, as shown in Fig. 10 and 11.
  • the thread groove of the threaded bodies 56, 57 is right-handed.
  • the above double thread construction in this portion enables distances between the bobbins to be changed from the distance P2 between the flyers of the roving frame 1 to the distance P between the bobbins of the creal of the spinning frame (determined by the above secured connecting nut 61), or vice versa.
  • a spline shaft 62 is rotatably supported along the lengthwise direction of the bobbin changing device 18a.
  • the spline shaft 62 is freely engaged with the front row slider 53, the back row slider 54, the threaded body 56, and the threaded body 57 and is slidably engaged with the intermediate threaded bodies 59, 60 and central holes 59a, 60a, and 58a of the connecting nut 58.
  • a drive gear 63 is connected to an end of the spline shaft 62 by a key and connected through a coupling 64to a motor 65 for changing the arrangement of the bobbin changing arms.
  • the motor 65 When the motor 65 is rotated by an angle corresponding to the distance (P­P1)/(2 ⁇ p), the motor 65 is stopped by a suitable brake.
  • the mark "p" indicates the thread pitch of the threaded bodies 56, 57.
  • a pitch P1 of the outer thread is determined by the following expression:
  • the front row slider 53 is provided with a front row bobbin changing arm 66 capable of facing the upper hanging type flyers of the front row of the roving frame, i.e., the flyers facing the bobbin wheel 5a.
  • the top end of the front row slider 53 is formed into a fork having two fingers and can be engaged from below with a rib of the top portion of the bobbin
  • a back row bobbin changing arm 68 is capable of facing the upper hanging type flyers of the back row of the roving frame, i.e., the flyers facing the bobbin wheel 5b.
  • the back row bobbin changing arm 68 includes two guiding levers 69, 69 arranged on the sides of the arm 68.
  • the levers 69, 69 have forks having two fingers arranged on top portions thereof.
  • the guiding levers 69,69 are inserted through sliding holes 70, 70 of the back row slider 54 and are slidable in the front and back direction.
  • the guiding levers 69, 69 have racks 71 on bottom sides thereof, respectively.
  • a pinion 72 supported rotatably in the back row slider 54 is engaged with the racks 71 and is slidably engaged with another spline shaft 73 arranged rotatably along the bobbin changing device 18a.
  • the spline shaft 73 is freely engaged wiht the front row slider 53.
  • the front and back distance changing device includes a driven gear 74 engaged with the drive gear 63 arranged at an end of the spline shaft 73.
  • the numbers of teeth and the like are determined so that the relation between the module M of the pinion, the number of teeth of the pinion M, the number of teeth N1 of the drive gear 63, the number of teeth N2 of the driven gear 74, and the distance L2 between the front row and the back row of the bobbin wheel 5a, 5b of the roving frame satisfies the following expression: Therefore, the operation of changing the state shown in Fig. 12(a), in which the arrangement of the bobbins coincides with the zigzag arrangement of the bobbin wheels 5a, 5b on the bobbin rail 4, to the state shown in Fig. 12(b), in which the arrangement of the bobbins coincides with the single-row bobbin arrangement of the creel of the spinning frame, and vice versa, can be synchronously performed by an arrangement changing motor.
  • LE1 and LE2 shown in Fig. 4 are an upper ascent end limit switch and a lower ascent end limit switch, respectively
  • LS3 and LS4 shown in Fig. 4 are an upper descent end limit switch and a lower descent end limit switch, respectively.
  • the upper ascent end limit switch LS1 and the lower ascent end limit switch LS2 are arranged on the side plate 29 of the bobbin changing machine main body 6 and can detect a moving position in the vertical direction of the bobbin changing arms 66, 68when the bobbin changing arms 66, 68 change the bobbins between a bobbin supporting member of a bobbin conveying device described hereinafter and the bobbin changing machine.
  • the upper descent end limit switch LS3 and the lower descent end limit switch LS4 are also arranged on the side plate 29 of the bobbin changing machine main body 6 and can direct a moving position in the vertical direction of the bobbin changing arms 66, 68 when the bobbin changing arms 66, 68 change the bobbins between the bobbin rail 4 and the bobbin changing machine.
  • Those four limit switches LS1, LS2, LS3, and LS4 are engaged with the ascent and descent guiding ring 33 on the right side.
  • a foward end limit switch LS5 and a backward end limit switch LS6 arranged on the middle plate 20 are engaged with a convex portion 22a of a back face of the right rack lever 22 and can detect a forward end or backward end of the bobbin changing device 18a.
  • positioning cylinders 75, 75 having positioning pins 76, 76 engaged with a positioning block of the bobbin conveying apparatus, described hereinafter, at the top ends thereof are arranged on the left side plate 29 and the right side plate 29 of the bobbin changing machine main body 6.
  • Reference numeral 78 indicates conveyor rail hung from a base plate 77 connected to a ceiling above the bobbin wheel 5a of the front row of the roving frame 1.
  • the conveyor rail 78 has a hollow and rectangular cross-section with an open lower side.
  • the bobbin conveying device 81 is arranged movably in the conveyor rail 78 and includes wheels 79, 79, supported by a horizontal shaft, and wheel 80 supported by a shaft passed through the lower opening of the conveyor rail 78.
  • a plurality of bobbin supporting members 83 arranged at distances corresponding to the distance P between the bobbins of the creel of the spinning frame in the lengthwise direction of the conveyor rail 78 are hung below a base plate 82 of the bobbin conveying device 81.
  • six bobbin supporting members 83 are used.
  • These index pins 84 having a twice the length P4 of the distance between the bobbin supporting member 83 are secured on an upper face of the base plate 82 as shown in Fig. 14. Both ends of each index pin 84 protrude from both sides of the base plate 82.
  • the bobbin conveying devices 81 are connected through a connecting lever 85 by pins to maintain the distances between bobbin supporting members 83 in one bobbin conveying device 81 and another adjacent bobbin conveying device 81 at the distance P of the creel of the spinning frame.
  • Several connected bobbin conveying devices 81 are conveyed along the conveyor rail 78 by a suitable transferring device.
  • the bobbin change center L1 of the bobbin conveying device 81 is defined as the center of the distance between the fourth bobbin supporting member 83 and the fifth bobbin supporting member 83 of the bobbin conveying device 81.
  • the bobbin changing centers L2, L3, and the like are defined every eight distances between the bobbin supporting members 83.
  • this stopping position determining device includes a swing hook 87 having an L-shaped configuration, swing- ably supported by a horizontal shaft 88 and urged in the counterclockwise direction in Fig. 1.
  • a roller 90 attached to an upper portion of the swing hook 87 engages with a cylinder rod of a cylinder 91.
  • the swing hook 87 is swung in the counterclockwise direction by a spring, and an end hook 92 of the swing hook 87 catches a first index pin, the bobbin conveying device 81 stops in the delivery position. After that, the piston rod is protruded and engagement between the end hook 92 and the index pin 84 is released.
  • a rail 83 having a hollow rectangular cross-section is arranged in the lengthwise direction of the roving frame on the base plate 77 arranged on the upper area of the roving frame.
  • Two wheels 95, 95 supported by a horizontal shaft are arranged on two points of an upper plate of a transferring device main body 94, respectively. The two wheels move along the rail 93.
  • Supporting brackets 96, 96 are secured to an inner face of an upper plate of the transferring device main body 94.
  • a shaft 97 is supported rotatably on the supporting brackets 96, 96, as shown in Fig. 13.
  • Swing arms 98, 98 having L-shaped configurations and capable of swinging in the front and back direction (lateral direction in Fig. 14) are freely engaged with the shaft 97 in the outer positions from the supporting brackets 96, 96.
  • a feed drum 100 provided with a feed cam groove 99 on its outer circumference is rotatably supported by a supporting shaft 105 on lower portions of the swing arms 98, 98 such that the feed drum 100 is between the swing arms 98, 98.
  • a stationary shaft 101 connecting the other ends of the swing arms 98,98 is engaged with a broken engagement portion 104 of a connecting arm 103 secured to a top end of a solenoid 102, which is hung from the inside face of the upper plate of the transferring device main body 94.
  • Driving sprockets 107, 107 are connected to positions of the shaft 97 facing the following sprockets 106, 106 by means of keys.
  • Chains 108 are arranged between the sprockets 106, 106 and the sprockets 107, 107, respectively.
  • a following gear 109 is connected to an outer position of the driving sprocket 107 at an end of the shaft 97 by means of a key, while a worm gear 110 is connected to an outer position of the driving sprocket 107 at the other end of the shaft 97 by means of a key.
  • the following gear 109 engages with a driving gear 112 of a driving motor 111 and the worm gear 110 engages with a worm wheel 113 supported rotatably on the inside face of the upper plate by a shaft.
  • a cam plate 114 is concentrically fixed with the worm wheel 113.
  • a limit switch 116 is arranged on the upper plate so that the limit switch 116 can engages with an engaging segment 115 secured to the cam plate 114 in the horizontal direction.
  • a solenoid 117 attached to the inner face of a front plate of the transferring device main body 94 has a positioning pin 118 on its own top end and can move in the vertical direction.
  • a positioning member 120 having a positioning hole 119 is secured to a front side of the rail 93 so that the positioning pin 118 can engage with the positioning hole 119 facing the positioning pin 118 when the transferring device main body 94 arrives at a waiting position on the rail 93, i.e., a position facing the bobbin changing machine AD at a higher position than that when the bobbin changing machine is at the first bobbin changing position (Fig. 1).
  • Connecting blocks 122, 122 having connecting holes 121, 121 are secured to the side portions of the transferring device main body 94.
  • the connecting holes 121, 121 of the connecting blocks 122, 122 facing to upper position of the positioning cylinder 75, 75 can engage with the positioning pins 76,76 provided on the top end of the cylinder rod when the transferring device main body 94 is in the waiting position on the rail 93 and the bobbin changing machine AD is in the first bobbin changing position (Fig. 16(a)).
  • the angle of rotation of the feed drum 100 is determined so that the feed drum groove 99 of the feed drum 100 engages with the index pin 84 of the conveying device 81 when the transmitting device main body 94 is in the waiting position, the conveying device 81 is in the delivery position, and the feed drum 100 arrives from the unoperable position illustrated by a two-dot chain line in Fig. 4to an engaging position.
  • the worm gear 110 and the worm wheel 113 are constructed such that the worm wheel 113 turns just once and the limit switch 116 emits a stop signal to the driving motor 111 when the feed drum 100 is rotated and the index pin 84 moves by four distances, i.e., four times P4.
  • the transferring device is positioned and stopped at the predetermined waiting position on the rail 93 by engagement of the positioning pin 118 to the positioning hole 119 of the positioning member 120.
  • the solenoid 102 is removed and the feed drum 100 is in the unoperable position.
  • the swing hook 87 is held such that it protrudes to a moving path of the index pin 84 by spring 89.
  • the conveying device 81 from which the empty bobbin EB hangs is moved by another suitable transferring device other than the bobbin conveying device transferring device.
  • a limit dog 123 provided on an end of the conveying device 81 engages a limit switch (not shown)
  • driving of the above suitable transferring device is stopped at a position just before the first delivery position of the conveying device 81 by a signal of the limit switch.
  • the conveying device 81 moves by inertia, and the first index pin 84 engages with the hook 92 of the top end of the swing hook 87.
  • the bobbin change center L1 of the conveying device 81 then coincides with the bobbin change center CL1 of the roving frame 1, and the conveying device 81 stops at the first delivery position.
  • the bobbin changing machine AD When a full bobbin instruction is emitted in the roving frame where the conveying device 81 is in the first delivery position and the transferring device main body 94 is in the waiting position, the bobbin changing machine AD approaches a front face of the roving frame 1 and is stopped at the first bobbin changing position where the first positioning member 16 faces the proximity switch 17. Then, each bobbin change center CL, L1, CL1 of the bobbin changing machine, the conveying devices 81, and the roving frame 1 coincide, and the bobbin changing device 18a and the bobbin changing device 18b are aligned at a position corresponding to eight empty bobbings EB at the delivery position as shown in Fig. 12(b), respectively.
  • the positioning cylinders 75, 75 protrude upward, the positioning pins 76, 76 engage with the connecting holes 121, 121 of the connecting blocks 122, 122, and the bobbin changing machine main body 6 is connected with the transferring device main body 94.
  • the swing arm 98 is swung through the connecting arm 103 toward the conveyor rail 78 by operating the solenoid 102 of the transferring device main body 94, the feed drum 100 provided on the swing arm 98 is moved from the unoperative state to the engaging state, and the feed cam groove 99 of the feed drum 100 is engaged with the index pin 84 of the conveying device 81.
  • the positioning pin 118 of the solenoid 117 of the transferring device main body 94 is then moved rearward to release, at a suitable timing, the state wherein the transferring device main body 94 is positioned.
  • the cylinder rod of the cylinder 91 of the stop position detecting device 86 of the conveying device 81 protrudes to turn the hook 92 of the swing hook 97 against the spring 89 in the clockwise direction.
  • the positioning of the conveying device 81 is released by disengagement of the index pin 84 and the hook 92.
  • the spline shaft 62 in the bobbin changing device 18a is rotated in the clockwise direction viewed from the arrangement changing motor 65 by a predetermined number of rotations, i.e., P-P1/2xp, and the connecting nut 58 connecting the threaded bodies 56, 57 and the intermediate threaded bodies 59, 60 of the double threaded portion are rotated in the clockwise direction.
  • the front row slider 53 and the back row slider 54 connected with the former by the connecting nut 58 slide to approach each other so that the distances between the slider 53 and the slider 54 are changed from P to P1.
  • the threaded bodies 56, 57 are screwed into the intermediate bodies 59, 60, respectively and the intermediate bodies 59, 60 are screwed out from the fixed connecting nut 61. Then, the front row slider 53 and the back row sliders 54 are moved in the left direction and the right direction by an equal distance from the bobbin change center CL of the bobbin changing machine AD so that the distances between the slider 53 and the slider 54 are changed from P to P2.
  • the spline shaft 73 is rotated through the drive gear 63 and the driven gear 74, and the back row bobbin changing arms 68 and moved through the pinions 72 of the back row sliders 54 and racks 71, 71 of the back row bobbin changing arms 68 from the alignment state by the distance L2.
  • the bobbin changing device 18a is changed from the single row arrangement shown in Fig. 12(b) to an arrangement corresponding to the zigzag arrangement of the bobbin wheel 5a, 5b of the roving frame 1 shown in Fig. 12(a) and faces the full bobbins in the two staffs.
  • the bobbin changing device 18a advances straight without shifting in the lateral direction, and the forks 67 of the front row bobbin changing arms 66 and the back row bobbin changing arms 68 enter the lower portion of the rib B1 of the top portion of the full bobbins of the first two staffs, i.e., 8 spindles arranged on the front row and the back row of the bobbin rail 4 in the zigzag state.
  • the forward end limit switch LS5 detects a convex portion 22a of the right rack lever 22, the front and back moving cylinder 19 stops and the bobbin changing device 18a stops at the forward end (Fig. 15(c)).
  • the ascent and descent cylinder 43 stops and the bobbin changing devices 18a stop in the upper descend end position (Fig. 15(d)).
  • the cylinder rod 21 of the front and back moving cylinder 19 moves to the right direction to rotate the left spline shaft 28a and the right spline shaft 28b in the dierction opposite to the former oera- tion.
  • the bobbin changing device 18a is moved backward with full bobbins FB held on the front row bobbin changing arms 66 and the back row bobbin changing arms 68.
  • the bobbin changing device 18a stops at the backward end (Fig. 15(e)).
  • the arrangement changing motor 65 rotates in the direction opposite to the former operation to rotate the spline shaft 62 in the left direction viewed from the motor 65.
  • the spline shaft 73 is rotated to operate the lateral distance changing device in the mode opposite the former operation.
  • the sliders 53, 54 are changed from the zigzag arangement shown in Fig. 12(a) to the single-line arrangement shown in Fig. 12(b) (Fig. 15(f)).
  • the lower ascent end limit switch LS2 detects the right ascent and descent guiding ring 33, and the ascent and descent cylinder 43 is stopped to stop the bobbin changing device 18a at the lower ascent end position (Fig. 15(g)).
  • the bobbin changing device 18a advances by moving leftward the cylinder rod 21 of the front and back moving cylinder 19 and the forward end limit switch LS5 detects the convex portion 22a of the right rack lever 22, the bobbin changing device 18a stops at the forward end, and the eight full bobbins FB hung in the single-row arrangement are positioned at the downward position corresponding to the eight bobbin supporting members 83 of the conveying device 81 with empty bobbins removed (Fig. 15(h)). Then, the bobbin changing device 18a ascends by a slight descent of the cylinder rod 43a of the ascent and descent cylinder 43, and each bobbin supporting member 83 is inserted with the full bobbins FB.
  • the full bobbins FB are hung on the bobbin supporting member 83, and the upper faces of the forks 67 of the front bobbin changing arms 66 and the back bobbin changing arms 68 leave the under face of the rib portion B1 of the top portion of the full bobbins FB (Fig. 15(j)).
  • the cylinder rod 21 of the front and back moving cylinder 19 advances and the bobbin changing device 18a moves rearward.
  • the backward end limit switch LS6 detects the convex portion 22 of the right rack lever 22 the bobbin changing device 18a stops at the backward end and waits for the next operation (Fig. 15(k) and (I)).
  • the doffing operation of the full bobbins FB is accomplished.
  • the bobbin changing device 18b, front row bobbin changing arms 66, back row bobbin changing arms 68, lateral distance changing device, a front and back distance changing device, and the like used in the empty bobbin inserting operation have an identical constitution to those described before. Therefore, the description of those constitutions will be made from the standpoint of the state of arrangement and upper and lower positions of the front row bobbin changing arms 66 and the back row bobbin changing arms 68.
  • the front row bobbin changing arms 66 and the back row bobbin changing arms 68 aligned in single-row state at the lower ascent end position move from the rearward end position (hereinafter, original position) (Fig. 15(a)) toward a forward end position (Fig. 15(b)).
  • Those arms 66, 68 ascend slightly, stop at the upper ascent end position, and pick up the empty bobbins (Fig. 15(c)).
  • the forks 67 hook eight empty bobbins EB from the bobbin supporting members 83 in the delivery position by a descent movement of the arms (Fig. 15(d)).
  • the arms 68 still in the single-row arrangement, move backward to await the next operation (Fig. 15(e) and (f)).
  • the arms 68 descend a long distance and stop at the upper descent end position.
  • the arrangement of the front row bobbin changing arms 66 and the back row bobbin changing arms 68 is changed from the single-row arrangement shown in Fig. 12(b) to the zigzag arrangement shown in Fig. 12(a) by operating the lateral distance changing device and the front and back distance changing device (Fig. 15(g) and (h)).
  • the arms 68 advance to a position which corresponds to the bobbin wheels 5a, 5b in the zigzag state and is at a slightly higher position from the bobbins, and stop in that position.
  • the arms 68 descend slightly, stop at the lower descend end position, and insert the empty bobbins EB into the bobbin wheels 5a, 5b (Fig. 15(j)). After that, they move backward to the backward end position. At this position, the front row bobbin changing arms 66 and the back row bobbin changing arms 68 are changed from the zigzag arrangement to the single-row arrangement (Fig. 15(k) and (I)).
  • the driving motor 12 of the bobbin changing machine AD is operated at a suitable timing, the sprocket wheels 11, 13 are rotated, and the travelling wheels 9, 9 are rotated through the chain 14. Then, the bobbin changing machine AD runs along the roving frame 1 with the transferring device main body 94.
  • the proximity switch 17 detects a next positioning member 16 arranged at a position remote from the first position by the distance the driving motor 12 stops and the bobbin changing machine AD stops at a second bobbin change position (Fig. 16(b) and Fig. 1).
  • the bobbin changing devices 18a, 18b return to the original positions, respectively, during movement of the bobbin changing machine.
  • the feed drum 100 is rotated until the engaging segment 115 on the cam plate 114 rotated by the driving motor 111 of the transferring device main body 94 is detected by the limit switch 116. Then, the conveying device 81 is moved in the direction opposite to the moving direction of the bobbin changing machine AD by the length 4xP4 by engaging the feed drum 100 with the index pin 84. Therefore, the conveying device 81 moves by the length 4xP4-P3 against the roving frame 1 each bobbin change operation.
  • the next eight empty bobbins EB hung on the conveying device 81 stop at the second delivery position; the bobbin change centers CL2, CL, and L2 of the roving frame 1, the bobbin changing machine AD, and the conveying device 81 coincide with each other; and the second bobbin changing operation is performed.
  • the solenoid 102 of the transferring device main body 94 moves rearward at a suitable timing, the swing arms 98, 98 are swung, and the engagement between the cam groove 99 of the feed drum 100 provided on the end of the swing arms 98, 98 and the index pins 84 of the conveying device 81 is released.
  • the bobbin changing machine AD is moved to the right by reverse rotation of the driving motor 12 and stops at the first bobbin change position.
  • the transferring device main body 94 is positioned at the waiting position by protrusion of the positioning pin 118 and insertion of the positioning pin 118 to the positioning hole 119.
  • the bobbin changing machine main body 6 moves to the roving frame 1, which emits the next full bobbin instructions.
  • the row of bobbin wheels of the roving frame in the case of the bobbin conveying apparatus installed in the factory may be used as a standard for actual installation of the apparatus. Therefore, installation work can be made easier and more precise and effective use can be made of the space above the roving frame. Further, the bobbins hung from the bobbin conveying devices 81 do not disturb the installation work.
  • the forks 67 of the back row bobbin changing arms 68 arranged on the bobbin changing device 18b for inserting the empty bobbins can pass among the left guiding lever and the right guiding lever of the back row bobbin changing arms 68 arranged on the bobbin changing device 18a for doffing the full bobbins. Therefore, the distance in the front and back direction between the front bobbin changing device 18a and the back bobbin changing device 18b may be made small, as shown in Fig. 3.
  • the bobbin conveying device in this embodiment is a peg conveyor 201 arranged on a floor of a factory and can run around the roving frame 1 as shown in Fig. 18. Portions the same or equal to the portions used in the first embodiment are given the same reference numerals, and descriptions thereof are omitted.
  • the peg conveyor 201 includes peg plates 203 moving slidably on a supporting plate 202 and pegs 204 arranged on the supporting plates 202. The distance between adjacent pegs 204 coincides with the distance P between the bobbins of the creel of the spinning frame.
  • the peg plates 203 are connected to a conveyor chain 205 moved by a suitable driving source.
  • a full bobbin and empty bobbin handling apparatus 206 is arranged at an end of the rear portion of the roving frame 1.
  • This apparatus 206 can feed empty bobbins EB to the peg conveyor 201, pick up full bobbins form the peg conveyor 201, and insert full bobbins to conveying devices associated with the creel of the spinning frame.
  • swing arms 32, 32 provided slidably in the vertical direction on the left and right spline shafts 26a, 28b on the bobbin changing machine main body 6 are attached with bobbin changing devices 18a, 18b beneath the swing arms 32, 32.
  • Each bobbin changing device has front row bobbin changing arms 66, back row bobbin changing arms 68, a lateral distance changing device, and a front and back distance changing device.
  • a guide rail 207 secured on a position in front of flyers of the roving frame 1 is mounted with guide rollers 208 supported rotatably on the upper portion of the roving frame 1.
  • the empty bobbins EB are fed from the full bobbin and empty bobbin handling apparatus 206 to the peg conveyor 201 before the full bobbins are formed in the roving frame and are kept waiting behind the roving frame 1.
  • the bobbin changing machine AD stops at a first bobbin change position upon a full bobbin instruction from the roving frame 1, and the peg conveyor 201 moves and stops at a delivery position where the first sight pegs are in the same positions as positions in the first embodiment.
  • the bobbin changing device 18a for doffing the full bobbins changes the front row bobbin changing arms 66 and the back row bobbin changing arms 68 from a single-row arrangement to a zigzag arrangement in the original position and advances to pick up the full bobbins from the bobbin wheels 5a, 5b.
  • the bobbin changing device 18b advances from the original position in the single-row arrangement and picks up eight empty bobbins in a single-row arrangement on the peg conveyor 201 (Fig. 19(a) and (b)).
  • the bobbin changing device 18a for doffing the full bobbin moves rearward and changes the bobbin changing arms 66, 68 from the zigzag arrangement to the single-row arrangement, and descend, while the bobbin changing device 18b moves rearward and ascend and then advances and descends (Fig. 19(c) and (d)).
  • the bobbin changing device 18a for doffing the full bobbins advances and descends to insert the full bobbins FB to the pegs 204 of the peg conveyor 201, then moves rearward and ascends to the original position.
  • the bobbin changing device 18b for inserting the empty bobbin changes the bobbin changing arms 66, 68 from the single-row arrangement to the zigzag arrangement, advances and descends to insert the empty bobbins EB onto the bobbin rail 4, moves rearward, changes the bobbin changing arms 66, 68 from the zigzag arrangement to single-row arrangement, and descends to the original position (Fig. 19(e) and (f)).
  • the bobbin changing machine AD moves to a next bobbin changing position by the predetermined distance P3.
  • the peg conveyor 201 also moves to stop next to eight empty bobbins at a next delivery position.
  • the bobbin changing operations are repeated in accordance with the above described method.
  • the bobbin changing machine AD moves to the waiting position W indicated in Fig. 18.
  • the peg conveyor 201 is moved to move the doffed full bobbins to behind the roving frame 1, and the roving frame 1 is reactivated.
  • the full bobbins FB are picked up from the pegs 204 by means of the full bobbin and empty bobbin handling apparatus 206.
  • the lateral distance changing device of the front row bobbin changing arms 66 and the back row bobbin changing arms 68 may be constituted so that standard cylinders 302 having a stroke of (P2-P)/2 are provided on each opposite face at a lower portion of fourth front row slider 53 and fifth back row slider 54 from the left side: each cylinder rod is connected to a screen-like plate 18 extending from a lower plate of the bobbin changing device 18a in a place coinciding with a center of distance of the fourth slider 53 and the fifth slider 54; and cylinders 301 having a stroke of (P­P1) are provided on a cylinder rod, as shown in Fig. 20.
  • the lateral distance changing device of the front row bobbin changing arms 66 and the back row bobbin changing arms 68 can be constituted by using a cylindrical cam 401 as shown in Figs. 21 to 23.
  • a motor 65 is connected to the cylindrical cam 401 and a plurality of cam grooves 4021a, 402b-(in this embodiment, groups of four cam grooves are arranged symmetrically on both sides of the bobbin change center CL of the bobbin changing machine) are cut.
  • the pitch at the other end portion rotated by an angle 8 (Fig.
  • FIG. 24 Another embodiment of the lateral distance changing device of the front row bobbin changing arms 66 and the back row bobbin changing arms 68 is illustrated in Fig. 24.
  • the front row sliders 53 and the back row sliders 34 are engaged with the spline shaft 73, respectively.
  • Two cam followers 604 each are provided on the bottom faces of the sliders 53, 54.
  • Grooved cams 601 having cam grooves on both sides are spline-engaged slidably with the other spline shaft 62.
  • a ring groove 605 is formed in a grooved cam 602 arranged on the center portion of the spline shaft 62.
  • the two cam grooves of the grooved cam 602 are formed such that the distance between the grooves is changed by a distance P-P1 when the grooved cam 601 is rotated by a predetermined angle, i.e., an angle corresponding to angle 8 in Fig. 23. It is preferable to form symmetrically two grooves on a circumferential surface of the grooved cam 601, but it is possible to make the two grooves different shapes, e.g., grooves having different inclination angles against an axis of the grooved cam.
  • the cam followers of the front row slider 53 and the back row slider 54 are engaged with the adjacent grooved cams, e.g., one grooved cam 601 and another grooved cam 601, or a grooved cam 601 and a grooved cam 602, so that, for example, a cam follower of a certain front row slider engages with a groove of a grooved cam and the other cam follower of the same front row slider engages with a groove of the other grooved cam adjacent to the former grooved cam.
  • the grooved cams arranged on both ends of the spline shaft 62 are made half the length of ordinary grooved cams and have only one groove.
  • the bobbin changing machine in accordance with the present invention can be adapted to a roving frame having equal distances between all bobbin wheels.
  • the lateral distance changing device may be constituted such that the distances in the lateral dierction of the bobbin changing arms are changed from P to P1 and vice versa.
  • the bobbin changing machine in accordance with the present invention is not limited to two staffs, and can be also used for a bobbin changing machine having one staff or a multiple of two bobbin wheels. Further, the standard position for limiting the lateral movement of the lateral distance changing device may be properly changed.
  • the doffing operation of the full bobbins and the feeding operation of the empty bobbins are performed simultaneously by the bobbin changing devices.
  • the bobbin changing device for feeding the empty bobbins may be omitted by performing the feeding operation of the empty bobbins by manual operation.
  • the present invention is constituted as described hereinbefore, it is possible to perform the operation for doffing the full bobbins from the roving frame, aligning the full bobbins from the zigzag arrangement to a single-row arrangement and matching the distance between the bobbins with the distance between the bobbins of the creel of the spinning frame by one doffing operation of the bobbin changing machine. Therefore, it is possible to simplify the operation for conveying the doffed full bobbins to the spinning frame. Further, since it is possible to make a small size bobbin conveying device by shortening the distances between the full bobbins in the front and back direction and the lateral direction, the space occupied by the bobbin conveying device can be decreased.
  • the operations can be performed by one inserting operation of the bobbin changing machine.
  • the bobbin changing machine is constituted as a portable type
  • the bobbin changing machine in accordance with the present invention can be used for a plurality of roving machines.
  • the bobbin alignment device necessary for each roving frame in the known doffing operation becomes unnecessary.
  • the operation for doffing the full bobbins and the operation for inserting the empty bobbins can be performed in parallel. Therefore, it is possible to perform an effective bobbin change operation.
  • this invention has the further feature of decreased cost of the equipment.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (11)

1. Verfahren zum Auswechseln von Spulen an einer Doppelreihen-Vorspinnmaschine mit zick-zack-artig angeordneten oberen Hängslfügeln, dadurch gekennzeichnet, daß eine Mehrzahl voller Spulen durch Wiederholen folgender Verfahrensschritte an Spulenträger überführt werden, die in einer einzigen Reihe einer Spulenüberführvorrichtung angeordnet sind:
a. Anhalten einer Spulenauswechselvorrichtung, die in einer vorbestimmten Spulenauswechselstellung zur Bewegung entlang einer Vorderseite der Vorspinnmaschine ausgeiegt ist;
b. gleichzeitiges Herausnehmen einer Mehrzahl von benachbarten vollen Spulen, die an der Vorderreihe und der zurückgesetzten Reihe einer Spulenbank der Vorspinnmaschine durch jeden Spulenauswechselarm der Spulenauswechselvorrichtung angeordnet sind;
c. Verändern des Abstands zwischen vollen Spulen in der Seitenrichtung der Vorspinnmaschine auf einen Abstand zwischen Spulen in jeder Gatterreihe auf einer Spinnmaschine;
d. Ausrichten der Vorderreihe und der zurückliegenden Reihe der vollen Spulen in eine einzige Reihe, indem gleichzeitig mit dem Verfahrensschritt c oder anschließend an den Verfahrensschritt c entweder die Vorderreihe oder die zurückgesetzte Reihe in einer Richtung verikal zur Seitenrichtung der Vorspinnmaschine bewegt wird; und
e. Oberführen der vollen Spulen von der einzigen Reihe an Spulenträger einer Spulenüberführvorrichtung, die mit demselben Abstand wie der Spulenabstand in jeder Gatterreihe der Verspinnmaschine angeordnet sind.
2. Verfahren zum Auswechseln von Spulen in einer Vorspinnmaschine nach Anspruch 1, dadurch gekennzeichnet, daß leere Spulenträger der Spulenüberführvorrichtung jedesmal in eine entsprechende nächste Spulenauswechselstellung bewegt werden, wenn die Spulenauswechselvorrichtung volle Spulen aus der Spulenbank der Vorspinnmaschine herausnimmt und volle Spulen auf die Spulenträger der Spulenüberführvorrichtung aufsetzt, wobei volle Spulen dann auf die Spulenträger der Spulenüberführvorrichtung aufgesetzt werden, wenn die Spulenauswechselvorrichtung in der Spulenauswechselstellung angehalten wird.
3. Vorspinnmaschinen-Spulenauswechselvorrichtung, die zur Bewegung längs einer Vorderseite einer Doppelreihen-Vorspinnmaschine ausgelegt ist, die zick-zack-artig angeordnete obere Hängsflügel aufweist, sowie dazu, in einer vorbestimmten Stellung anzuhalten, und die mit wenigstens einer Spulenauswechseleinrichtung versehen ist, die zur Bewegung in einer Richtung vertikal zu der Seitenrichtung der Vorspinnmaschine sowie in einer lotrechten Richtung ausgelegt ist, dadurch gekennzeichnet, daß jede Spulenauswechseleinrichtung mit einer Mehrzahl von Vorderreihen-Spulenauswechselarmen versehen ist, die zur parallelen Annäherung an eine Merhzahl der oberen Hängeflügel in einer Vorderreihe ausgelegt sind, mit einer Mehrzahl zurückgesetzter Spulenauswechselarme, die abwechselnd mit den Vordereihen-Spulenauswechselarmen angeordnet und zur parallelen Annäherung an eine Mehrzahl der oberen Hängeflügel in einer zurückgesetzten Reihe ausgelegt sind, mit einer Seitenabstand-Veränderungseinrichtung, die zum Verändern eines Abstands in der Seitenrichtung der Vorspinnmaschine zwischen den Vorderreihen-Spulenauswechselarmen und den Spulenauswechselarmen der zurückgesetzten Reihe ausgelegt ist, und mit einer Einrichtung zum Verändern des Abstandes in Vorwärts-und Rückwärtsrichtung, die zum Verändern eines Abstandes in der richtung vertikel zur Seitenrichtung der Vorspinnmaschine zwischen den Vorderreihen-Spulenauswechselarmen und der zurückgesetzten Reihe der Spulenauswechselarme ausgelegt ist, wobei die Seitenabstand-Veränderungseinrichtung sowie die Einrichtung zum Verändern des Abstands in Vorwärts- und Rückwärtsrichtung dann betrieben wird, und Spulen ausgewechselt werden, wenn die Spulenauswechselvorrichtung in der vorbestimmten Stellung angehalten wird.
4. Vorspinnmaschinen-Spulenauswechselvorrichtung, nach Anspruch 3, dadurch gekennzeichnet, daß ein Paar von Spulenauswechseleinrichtungnen an einer Vorderseite und an einer Rückseite vorgesehen sind.
5. Spulenauswechselvorrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Einrichtung zum Verändern des Abstands in Vorwärts- und Rückwärtsrichtung mit einer von einer Antriebseinrichtung drehantreibbaren Keilwelle versehen ist, die längs der Spulenauswechseleinrichtung auf dieser angeordnet ist, wobei jeder Spulenauswechselarm der zurückgesetzten Reihe in Vorwärts- und Rückwärtsrichtung freibeweglich durch die Spulenauswechseleinrichtung gelagert ist, und wobei eine Zahnstange in einer Vorwärtsund Rückwärtsrichtung bewegbar sowie auf dem Spulenauswechselarm der zurückgesetzten Reihe angeordnet und im Zahnradeingriff mit einem Ritzel steht, das in Verschiebeeingriff mit der Keilwelle steht.
6. Spulenauswechselvorrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Seitenabstand-Veränderungseinrichtung mit einer von einer Antriebseinrichtung drehangetriebenen Keilwelle versehen ist, die längs der Spulenauswechseleinrichtung auf dieser angeordnet ist, wobei jeder Spulenauswechselarm der vorderen und der zurückgesetzten Reihe in einer seitlichen Richtung freibeweglich gelagert ist, wobei die Spulenauswechselarme der vorderen und der zurückgesetzten Reihe mittels Gewindskörpern befestigt sind, die jeweils in freiem Eingriff mit der Keilwelle stehen, wobei jeder der Gewindskörper mit dem benachbarten dadurch verbunden ist, daß die Gewindekörper von beiden Seiten mit Verbindungsmuttern verschraubt sind, wobei eine zentrale Öffnung der Verbindungsmutter mit der Keilwelle verschiebbar verbunden ist, und wobei eine Bewegung einer der Verbindungsmuttern in seitlicher Richtung begrenzt ist.
7. Spulenauswechselvorrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Seitenabstand-Veränderungseinrichtung, jeder der Spulenauswechselarme der vorderen und der zurückgesetzten Reihe auf der Spulenauswechseleinrichtung in der Seitenrichtung freibeweglich gelagert ist, wobei jeder Spulenauswechselarm der vorderen und der zurückgesetzten Reihe benachbart zu jedem anderen durch einen Zylinder verbunden sind, und wobei die Seitenbewegung eines Zylinders als eine Standard-Zylinderseitenbewegung begrenzt ist.
8. Spulenauswechselvorrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Seitenabstand-Veränderungseinrichtung mit zwei Keilwellen versehen ist, die an der Spulenauswechseleinrichtung drehbar angebracht und an eine Antriebseinrichtung angeschlossen sind, wobei eine Mehrzahl von beidseitig mit Kurvennuten versehene, gerillte Kurvenscheiben mit einer der Keilwellen in Keileingriff steht, wobei eine der gerillten Kurvenscheiben eine Ringnut aufweist, die in Eingriff mit einem Bewegungsbegrenzungselement steht, das an der Spulenauswechseleinrichtung befestigt ist, wobei eine weitere Keilwelle dem Vorderreihen-Spulenauswechselarm und dem Spulenwechselarm der zurückgesetzten Reihe zugeordnet ist, von denen jeder zwei Kurvenscheiben-Eingriffsglieder aufweist, und wobei die beiden Kurvenscheiben-Eingriffsglieder des Vorderreihen-Spulenauswechselarms und des Spulenauswechselarms der zurückgesetzten Reihe im Eingriff mit zwei Kurvenscheibennuten stehen, von denen eine der einen gerillten Kuvenscheibe und die andere der anderen, der zur zuletzt genannten benachbarten gerillten Kurvenscheibe angehöhrt.
9. Spulenauswechselvorrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Seitenabstand-Veränderungseinrichtung aus einer zylindrischen Kurvenscheibe besteht, die eine Mehrzahl von Kurvennuten aufweist, die kontinuierlich derart geschnitten sind, daß eine Ganghöhe zwischen benachbarten Kurvennuten einer Gatter-Ganghöhe der Spinnmaschine an einem bestimmten Ort der Umfangsfläche der zylindrischen Kurvenscheibe entspricht, sowie einer Ganghöhe des Abstands zwischen Spulen auf der Vorspinnmaschine an einem Ort, der gegenüber dem vorgenannten Ort um einen vorgegebenen Winkel verdreht liegt.
10. Spulenauswechselvorrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Seitenabstand-Veränderungseinrichtung und die Vorwärts-Rückwärtsabstand-Veränderungseinrichtung durch eine Antriebseinrichtung angetrieben sind, die über einen Transmissionsmechanismus an eine Keilwelle für die Seitenabstand-Veränderungseinrichtung und an eine Keilwelle für die Vorwärts-Rückwärtsrichtung-Veränderungseinrichtung angeschlossen ist.
11. Spulenauswechseleinrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß eine Einrichtung zum Bewegen der Spulenauswechseleinrichtung in einer Richtung vertikal zu einer Seitenrichtung der Vorspinnmaschine ein Ritzel aufweist, das drehbar an der Spulenauswechseleinrichtung angebracht ist, sowie zwei Zahnstangenhebel, die verschiebbar an der Spulenauswechseleinrichtung gehalten sind und in Eingriff mit dem Ritzel in Gegenüberlage stehen, und zwei Kniehebel, welche dieselbe Länge aufweisen und verschiebbar an jeder aufrechtstehenden Keilwelle angebracht sind, die an der linken und rechten Seite der Spulenauswechseleinrichtung angeordnet sind, wobei einer der Kniehebel an den einen Zahnstangenhebel und der andere Kniehebel an den anderen Zahnstangenhebel angeschlossen ist, und wobei die Spulenauswechselvorrichtung in einer Richtung vertikal zu der Seitenrichtung der Vorspinnmaschine bewegt wird, wenn die beiden aufrechtstehenden Keilwellen gleichzeitig in entgegengesetzten Richtungen in Drehung versetzt sind.
EP19840810660 1983-12-28 1984-12-28 Verfahren und Vorrichtung zum Auswechseln von Spulen an Flügerspinnmaschinen Expired EP0148129B1 (de)

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JP250962/83 1983-12-28
JP250963/83 1983-12-28
JP25096283A JPS60139835A (ja) 1983-12-28 1983-12-28 粗紡機の管替機
JP25096383A JPS60167940A (ja) 1983-12-28 1983-12-28 粗紡機における玉揚方法

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EP0148129A2 EP0148129A2 (de) 1985-07-10
EP0148129A3 EP0148129A3 (en) 1987-05-27
EP0148129B1 true EP0148129B1 (de) 1989-05-31

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US4821504A (en) * 1987-06-25 1989-04-18 Howa Machinery, Ltd. System for controlling displacement of carriage working machines
CN107268127B (zh) * 2017-06-07 2019-11-29 铜陵松宝智能装备股份有限公司 智能落纱机器人插管用自调节定位装置及智能落纱机器人

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US4145868A (en) * 1978-02-17 1979-03-27 Howa Kogyo Kabushiki Kaisha Mobile type auto-doffer provided with doffing device and donning device for ring spinning machine and the like
JPS57106729A (en) * 1980-11-20 1982-07-02 Howa Mach Ltd Method of exchanging bobbins in fly frame and device therefor

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EP0148129A3 (en) 1987-05-27
DE3478479D1 (en) 1989-07-06
EP0148129A2 (de) 1985-07-10

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