JPS6257946A - Doffing machine in roving machine - Google Patents

Abstract

PURPOSE:To lower the level of a doffing machine, accelerate and miniaturize the doffing machine, by supporting a bobbin supporting member movably up and down on a supporting block. CONSTITUTION:Empty bobbins (EB) and full bobbins (FB) are placed on pegs of peg bars 18 and 19 to carry out bobbin delivery with a tube supporting tool 116. The upper delivering position of the peg bars can be lowered from the height of the tube supporting tool 116 by about the length of bobbins. The travel of a bobbin supporting member between the lower delivering position and the upper delivering position becomes larger than the travel of the supporting block and the travel of the supporting block can be reduced by the difference thereof. Thereby, the height of a doffing machine is reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a bobbin supporting member that supports a bobbin, which is connected to a lower transfer position where the bobbin is transferred between a bobbin wheel of a roving frame and a tube support above the roving frame. This invention relates to a tube changer for a roving frame equipped with an elevating device that raises and lowers the bobbin between an upper transfer position and a bobbin transfer position.

BACKGROUND OF THE INVENTION There have been many proposals regarding a tube changer for a roving frame. For example, Japanese Patent Laid-Open No. 89642/1989 discloses a tube changer that can be moved and stopped along the front surface of a roving frame. This tube changing machine has a bracket attached to a pair of pillars erected upward from the frame so that it can move up and down, an arm that can move forward toward the rover frame is attached to this bracket, and two
It is equipped with a tube support mechanism (bobbin support member) that can simultaneously support and hang down the upper part of the book bobbin. It is configured to be raised and lowered between an upper transfer position where the bobbin is transferred to and from the tube support.

Problems to be Solved by the Invention According to the above-mentioned conventional technology, the tube support mechanism can move back and forth with respect to the bracket supported vertically on the support column.
Since the structure is such that there is no relative movement in the downward direction, the amount of movement of the tube support mechanism that moves the bobbin up and down between the lower and upper delivery positions becomes the amount of movement of the bracket.
In particular, in a type of tube changer that supports the upper part of the bobbin, as in this conventional technology, the top end of the column is located below the bottom of the tube support, making the tube changer taller. This makes it difficult to speed up pipe replacement work, and
This posed many problems, including the need to increase the rigidity of the pillars.

Means for Solving the Problems In order to solve the above-mentioned problems, the present invention provides a block that is supported on the main body of a pipe changing machine so as to be able to be raised and lowered by a predetermined amount.

A lifting device for the bobbin support member is composed of this support block and a lifting support mechanism that supports the bobbin support member in a vertically movable manner, and as the support block rises, the bobbin support member is raised relative to the support block. The present invention is characterized in that, as the support block is lowered, the bobbin support member is lowered relative to the support block to be located at the lower delivery position.

According to the above configuration, when the bobbin support member is moved to the upper delivery position, as the support block is raised, the bobbin support member is further raised relative to the support block and positioned at the upper delivery position, and When the bobbin support member is moved to the lower delivery position, as the support block is lowered, the bobbin support member is further lowered with respect to the support block and is located at the lower delivery position, so that the amount of vertical movement of the bobbin support member is reduced. can be larger than the vertical movement of the support block,
When the bobbin support member is at the upper transfer position, the position of the support block is lower than that, and furthermore, the amount of vertical movement of the support block is shorter than that of the prior art.

Embodiments In FIGS. 1 to 3, reference numeral 1 indicates a roving frame, and top support type flyers 3... are suspended from the top rail 2 in a staggered manner in the front and rear rows, and the top support type flyers 3... Each staff has four flyers in a group, and the pinch of the adjacent flyers is kept at Pl, and the pitch between adjacent flyers in this group is kept at P2, and the distance between the front and back is set to L, and the flyers 3... It is rotated at high speed via a drive shaft and gears arranged inside the top rail 2. These flyers 3...
A bobbin rail 4 is disposed below the bobbin rail 4 so as to be movable up and down, and bobbin wheels 5a and 5b concentric with the flyer 3 are disposed on the bobbin rail 4 and are rotated at high speed via a drive shaft and gears.

Next, the pipe switching device will be explained. The pipe changing device is Rover 1
The roving machine 1 is composed of a tube changer AD that moves along the front surface of the roving frame 1, and a roving bobbin conveying device CR above the roving frame 1. First, the pipe changer AD will be explained.

In the pipe changer AD, an axle 8 is mounted on the bottom plate 7 of the pipe changer main body 6.
A pair of running axles 9.9 are integrated with the front and rear in the running direction,
It is rotatably supported via a bearing 10, and one car lI!
A driven pulley 11 is integrally attached to 1l18 (left side in FIG. 3), and a timing belt 14 is suspended between it and the drive pulley 13 of the travel motor 12 on the bottom plate 7. Each running axle 9.9 is a running rail 1 laid on the front floor of the roving frame 1 over the entire length in the longitudinal direction of the roving frame 1.
5, 15 so as to roll. Bobbin wheels 5a and 5b are further disposed on the floor along the longitudinal direction of the machine.
1 staff center (hereinafter referred to as Rover 1 pipe changing center CLI)
, CL2, . On the other hand, on the bottom plate 7 of the tube changer main body 6, there is a center of the pitch of the second and third front and rear tube change arms of the tube change bar (described below) (hereinafter referred to as the tube change center CL of the tube changer 1). When a proximity switch 17 capable of detecting the nearby body 16 is installed and the running motor 12 is driven, the tube changer AD moves along the running rail 15.15 along the front surface of the roving frame. When the proximity body 16 and the proximity switch 17 face each other, they are stopped at a predetermined pipe change position.

Next, the full bobbin peg bars 18 and the empty bobbin peg bars 18 and 19, which are illustrated as bobbin support members of the tube changer main body 6, and their respective lifting and lowering devices will be explained. The full bobbin peg bar 18 has one row of pegs 2o on its upper surface, with the interval between adjacent pegs set to the bobbin pitch P of the spinning creel.
Each peg 20 is vertically slidable on the upper surface of the full bobbin peg bar 18, and is biased upward by a spring 21. Positioned. The peg 20 of the empty bobbin peg bar 19, which will be described later, also has the same structure (see FIG. 6). This full bobbin peg bar 18
is fixed with guide blocks 23 and 23 on both left and right ends,
This guide block 23.23 consists of two parallel guide bars 2 on the left and right extending from the bottom plate 7 of the pipe changer main body 6 to the top plate 24.
The second guide bar 27 is vertically slidably fitted to a slide block 26, shown as a support block 5.25, which is fitted so as to be vertically movable. One ends of the first and second link members 28.29 are vertically movably connected to the front surfaces of the left and right guide blocks 23.23 and the front surfaces of the left and right slide blocks 26.26, respectively. A pin 31 on the slide block 26 side is located vertically below the pin 30. The other ends of the first and second link members 28 and 29 are rotatably connected by a pin to the support shaft of the cam follower 32. On the other hand, the cam followers 32.32 are mounted on the left and right outer side plates 33.33 of the guide bar 25.25 of the pipe changer main body 6.
A cam plate 34.34 having a slope 34a that narrows upward as shown in FIG. Together with the second guide bar, an elevating support mechanism is configured to support the full bobbin peg bar 18 on the slide block 26 in a vertically movable manner. A drive m35 is rotatably supported on the bottom plate 7 between the side plates 33 and 33 along the traveling direction of the pipe changer AD, and the guide bar 25.
25 and the side plate 33. A drive sprocket 36 is located between the side plate 33 and 33.
．． 36 is fixed, and one end of the drive shaft 35 is fixed to the side plate 3.
The sprocket 37 protrudes further toward the running wheel than the sprocket 3 and is fixed at 9. This sprocket 37 and the drive motor 3
A chino 40 is suspended between the sprocket 39 and the rotating shaft of the rotor 8. Vertically above the driving sprockets 36, 36, driven sprockets 41, 41 are rotatably supported at positions close to the top plate 24, corresponding to the driving sprockets 36, 36, respectively, and the corresponding driving and driven sprockets 3
Between 6.41 and 41, lifting chains 42 and 42 are respectively suspended, and as shown in FIG. The slide blocks 26 and 26 are raised and lowered by a predetermined amount as the elevating chino 42 revolves. In this way, the elevating device for the full bobbin peg bar 18 is constructed, and as shown in FIG.
When the slide block 26.2G rises, the full bobbin peg bar 18 engages with the cam plate 34 to shorten the distance between the left and right cam followers 32, and the slide block 26.
．． 26, and is finally located at the upper transfer position @ (ascending end) S4 where a full bobbin FB is inserted into the bobbin conveyor 114, which will be described later, and the slide block 26 and 26 are lowered. Then slide block 26.2
6, the full bobbin peg bar 18 is lowered relative to the bobbin wheel 5a,
A receiving position S2 of the lower delivery position where the full bobbin F''B pulled out from b is attached to the peg 20 on the peg bar 18 for full bobbins, and a preparation position SL of the lower delivery position below this.
(lowering end).

Next, as shown in FIGS. 1 to 3 and 6 to 8, the empty bobbin peg bar 19, like the full bobbin peg bar 18, has its top surface connected to the respective begs 20 of the full bobbin peg bar 18, front and rear. Pegs 20 are arranged in a straight line in the direction, and the spacing between adjacent pegs is the pitch P of the spinning creel.Each peg 20 is provided for one staff, and each peg 20 is connected to a peg bar for an empty bobbin as described above. 19 to the upper surface, and is biased and prevented from being pulled out upwards. The lifting and lowering device for this empty bobbin bevel bar 19 is as follows. Second guide bars 43, 43 are installed slightly diagonally rearward of the guide bars 25, 25, respectively.
25, and lifting blocks 44.44 are fitted into each guide bar 43.43 so as to be movable up and down. A drive sprocket 57.57 is fixed to a drive shaft 58 and is rotatably supported on the bottom plate 7 of the pipe changer main body 6 at a position behind the guide bar 43.43. The sprocket 59 is fixed, and the drive chino 62 is incorrectly rotated between the sprockets 1 and 61 of the drive motor 6o. A driven sprocket 63.63 is pivotally supported near the top plate 24 vertically above the driving sprocket 57.57 in correspondence with the driving sprocket 57.57.
Between the driven sprockets 57 and 63, there are lifters 64, respectively.
is suspended, and its midway portion is connected to the rear surface of the lifting block 44, so that the lifting block 44 is raised and lowered by a predetermined amount as the lifting chino 64 revolves.

Next, in each of the lifting blocks 44, a cam lever 46 having a cam follower 45 at the tip on the side plate 33 side is connected to one end of a shaft 47 that rotates with respect to the lifting block 44, and swings in the front and rear direction. A fan-shaped sector gear 48 is connected to the other end of the shaft 47 with a key. This sector gear 48 meshes with a gear 51 of a swing arm 50 that is supported so as to be swingable in the front and back direction on a support shaft 49 that is fixed to the lifting block 44 in a non-rotatable manner. The swinging arm 50 has a fixed shaft 52 at its tip,
The fixed shaft 52 is rotatably fitted with timing belt pulleys 53 which are integrally fixed to the empty bobbin peg bar 19 on both left and right sides thereof. Further, a timing pulley 54 is connected with a key to the tip of the support shaft 49 so as not to rotate relative to the lifting block 44. A tension pulley is connected between the timing pulley 54 and the timing pulley 53. A timing belt 56 is suspended through the belt 55, so that the empty bobbin peg bar 19 is constantly maintained in a horizontal state even when the swing arm 50 swings. Sarashiko, left and right side plates 33.
A grooved cam plate 65 having a cam groove 65a into which the cam follower 45 is fitted and guided is fixed to the inside of each of the grooved cam plates 33. In this cam groove 65.1, as the lifting block 44 moves up and down, the empty bobbin grip bar 19 moves along a trajectory T as shown in FIG.
The peg center is located behind the guide bar 43 so that the peg bar 18 for full bobbin does not interfere with the full bobbin FB being placed thereon and rising vertically, and the peg bar 19 for empty bobbin as the lifting block 44 rises. is lifting block 4
4, and finally the bobbin conveyor 11
4 Upper delivery position (rising end) S for receiving empty bobbin EB
8, and when the lifting block 44 is lowered, the empty bobbin peg bar 19 is lowered relative to the lifting block 44, and the lower end height of the empty bobbin EB on the empty bobbin peg bar 19 is below the machine base. The bobbin wheel 5 of the bobbin rail 4 (the state shown in Figure 1) that has descended to the tube change state
a, 5b Located at a position slightly higher than the upper end height, the receiving position S6 is the lower delivery position for passing the empty bobbin EB to the front and rear row tube changing arms described later, and the completion position S5 is the lower delivery position below this. , Moreover, the upper delivery position S8, the lower delivery position of the peg bar 19 for empty bobbins, the receiving position S6, and the completion position S5 are the same as those of the peg bar 19 for full bobbins [1iS4
The cam groove shape is set to be in the same position as , S2, and Sl, and the transmission mechanism from the groove cam plate 65 and the cam lever 46 with the cam follower 45 to the empty bobbin peg bar 19 also moves the back and forth movement mechanism up and down. A support mechanism is configured, and this lifting support mechanism and the lifting block 44.44
This constitutes a lifting device for the empty bobbin peg bar 19.

Next, the empty bobbin delivery device will be explained with reference to FIGS. 1 to 3 and 9 to 11. Brackets 67.
A horizontal guide bar 68.68 is installed horizontally between the bracket 67.67 and the rear plate 66, and a support block 7o is fixed on the center axis of the pipe change. 6
A feed bar 69 parallel to the horizontal bars 68 and 68 is rotatably supported between the horizontal bars 68 and 6. A sprocket 71 is fixed to the rear plate 66 side end of the feed bar 69, and a chino 86 is suspended between the sprocket 71 and a sprocket 85 of a motor 84. A feed screw 72 is carved into the feed bar 69 over almost its entire length. A gate-shaped slide base 73 is attached to the horizontal guide bar 68.
The legs of the feed bar 69 are fitted so as to be freely movable back and forth, and a plate 74 is fixed to the lower surface of the leg, and a feed bracket 75 having a female thread into which the feed screw 72 of the feed bar 69 is screwed is fixed onto the plate 74. has been done. Lifting bars 77.77, which are vertically installed at the left and right lower portions of the tube change bar 76, are fitted into the upper part of the legs of the slide base 73 so as to be able to rise and fall freely. An elevating screw rod 78 is installed vertically in the middle, and this screw rod 78 is screwed into a feed screw portion 80 at the center of a drive sprocket 79 supported horizontally rotatably on the slide base 73, so that the screw rod 78 slides with the drive sprocket 79. A chino 83 is suspended between a sprocket 82 of a drive motor 81 fixed to a base 73. Therefore, the tube change bar 76 can move back and forth toward the front side of the roving frame and can be raised and lowered. As shown in FIG. 10, this tube change bar 76 has an open top surface and a sliding surface 84.
Front and rear row sliders 85 and 86 formed at 84 and having tube change arms (front and rear row tube change arms) to be described later are attached to this sliding surface 8.
4.84, as shown in FIG. 9, slider holders 87. for the front row, for the rear row, etc. are placed alternately from the left side when viewed from the rear side of the pipe changer main body 6, and are placed on the front and rear rows of the pipe change bar 76. 88, it is movable only in the left and right direction. Two spline shafts 89 and 90 are rotatably supported on this tube change bar 76 along the longitudinal direction of the machine.
．． 9° is connected to a drive motor 92 via a gear train 91 at one end.
is connected to. A grooved cam 93 with cylindrical cam grooves 93A and 93B carved on both sides corresponding to the space between the front and rear sliders 85 and 86 is slidably spline-fitted to the spline shaft 89, and a grooved cam 93 is slidably fitted into the groove in the center groove. A horizontal movement regulating member 94 of the grooved cam 93 that slides on both left and right ends of the cam 93 is fixed to the pipe change bar 76. Front and rear row sliders 85.8
6 are provided with cam followers 95 at positions corresponding to the cam grooves 93A and 93B, and these cam followers 95 engage with their corresponding cam grooves, and the front and rear row sliders 85 and 86 are It straddles two adjacent groove cams except those at both ends, and these groove cams 93
A, 93B are the predetermined angles θ (points A, B
The left-right distance changing device for the front and rear tube switching arms is configured to change the pinch between the sliders from Pl to P (or vice versa) when the slider rotates. The front row slider 85 is integrally equipped with a front row tube changing arm 96 that can face the row of bobbin wheels 5a of the roving frame 1, and has a two-pronged fork tip so as to support the flange B1 at the top of the bobbin from below. It's Nishide. Further, the rear row slider 8G is provided with a rear row tube change arm 97 that can face the bobbin wheel 5b row, and this rear row tube change arm 97 is connected to the left and right guide rods 98.9.
A two-pronged fork is provided at the tip of the slider 86 for the rear row.
The guide rods 98 and 98 are inserted into the slide holes 99 and 99 to be slidable in the front and rear directions. Guide rod 98.98
A rack 100 is carved on the lower side of each rack.
A pinion 101 rotatably supported by the rear slider 86 is engaged with the pinion 101, and the spline shaft 9o at the center of the pinion 101 is spline-fitted to the front slider 85. They are loosely fitted to form a surface interval changing device for the front and rear tube changing arms 96 and 97. The number of teeth of each gear in the gear train is set so that when the spline shaft 89 rotates by θ, the rear tube changing arm 97 moves by exactly L, and as shown in FIG. A single drive motor 92 is used to synchronously change the staggered arrangement of one staff to a state that matches the bobbin arrangement of the spinning creel in one row (or vice versa). In addition, proximity switches SWI to SW8 are arranged at predetermined positions in the vertical direction inside the left and right side plates 33 of the tube changer main body 6, and the proximity switches SWI to SW4 are attached to the slide block 26 of the peg bar 18 for full bobbin. The device detects the proximity object 102 that has been transferred, and detects, in order from the proximity switch SWI, the lower transfer position of the full bobbin peg bar 18 [which preparation position S1, the receiving position S2 of the lower transfer position slightly higher than that, the intermediate stop position S3, and the upper delivery position S4, and stop the drive motor 38 to stop the full bobbin peg bar 18 at each position, and the proximity switches SW5 to SW8 move the slide block 44 of the empty bobbin peg bar 19. Proximity body 103 protruding from the rear surface
It detects, in order from the proximity switch SW5, the completion position S5 of the lower transfer position of the empty bobbin peg bar 19,
After confirming the receiving position S6, which is the lower delivery position that is slightly higher than that, the standby position S7 shown in FIG. It's time to stop.

In addition, LS1 to LS3 shown in FIG. 3 are the retreating end of the slide base 73, the delivery position (full bobbin peg bar = 18, each peg 20 is lined up vertically, and the front and rear row tube change arms 96.97
), and staggered front and rear row tube change arms 9 on the staggered bobbin wheels 5a and 5b.
6.97 is a limit switch that confirms the corresponding forward end of the corresponding fork portion, and is actuated by a dog 104 attached to the leg portion of the slide base 73 so that the slide base 73 stops at each position. Furthermore, a dog 105 is attached to one slide bar 77 on the bottom surface of the tube change bar 76.
is installed, and a limit switch LS4.5 is placed above and below the slide base 73 via a rebracket. are stopped at their respective positions.

Next, using FIG. 2 and FIGS. 12 to 17, we will explain the braiding bobbin conveying device CR.6 A main conveying rail 110 connecting the roving frame 1 and the creel of a fine spinning frame (not shown) is constructed above the side of the machine frame end. A branch conveyance rail 111 on the roving machine side is connected to this main conveyance rail 110 via a switching device 112.

This branch conveyance rail 111 is suspended vertically above the full bobbin peg bar 18 of the tube changer AD during tube change along the bobbin wheels 5a and 5b of the roving frame 1, and bypasses the out-end side of the frame. It is located at the rear of the machine. As shown in FIG. 15, these conveyor rails 110, 111 have a rectangular cross-section with an open bottom, and the dLLl13 rolls within the conveyor rails 110, ]-11 to transfer the braided yarn bobbin. A bobbin conveyor 114 for conveyance runs along conveyor rails 110, 111.

This bobbin conveyor 114:3. A plurality of pipe supports 116 (six in this embodiment) are suspended from the lower side of the spinning creel in the longitudinal direction while maintaining the bobbin pitch P of the spinning creel. A long conveying device chain 118 is formed by connecting the yarn bobbins for one roving frame by means of the connecting threads. The pipe changing centers of the conveyor group 118 are Ll and L2 every 4·P from the center between the 2nd and 3rd pipes from the beginning. Next, 119 is
A plurality of sets of conveyor rails 110.11] are arranged at intervals shorter than the entire length of the conveyor group 118, and are used as transfer devices for transporting the conveyor group 118.

This transfer device 119 has vertical shafts 12 on both sides of a base 120 fixed astride the transfer rails 110, 111.
A swinging arm 122 is supported so as to be able to swing freely in the horizontal direction, and a rotating disk 123 is mounted on one side of the swinging arm 122.
A rotating disk 125 rotatably supported and connected to a drive motor 124 on the other side faces the rotating disk 123,
Spring 126
The rotating disk 125 is actively driven to transport the conveying tools. Next, some bobbin carriers 1 located behind this series of bobbin carriers (right side in Figure 19)
On the 14 substrates 115, there are the same number of index positioning pins 127 that protrude to both sides, as many as the number of index positioning pins 127 that are used to stop the tube change of one Rover frame.
The mutual pitch is defined as the one-time movement pitch of the pipe changer (
3・P1+P2) and the pipe change center pitch (4・P) of the bobbin conveyor 114 P4 (=4・P−3・PL−P2)
It is kept securely in place. Then, the proximity switch PX that detects this index positioning pin 127 is connected to the transport rail 1.
11 via a bracket 128, and on the opposite side of this proximity switch PX, a catcher 129 swings by the operation of a cylinder 130, and when the conveyor chain 118 is in the first pipe change position L1, the catcher 129 1 index positioning pin 12
7 faces the proximity switch PX and engages with and disengages from the index positioning pin 127, and the drive motor 124
The cylinder 130 is controlled by the control circuit 210 shown in FIG. 17 to feed the roving bobbin (full) by one pitch (P4) at the time of tube change, to send the roving bobbin (full) to the spinning machine after the tube change is completed, and to feed the roving bobbin (full) by one pitch (P4) at the time of tube change, or to feed the roving bobbin (full) to the spinning machine side after the tube change is completed, or to feed the cylinder 130 empty before the tube change starts. When conveying the conveyor chain 118 from which the bobbin EB is suspended to a predetermined front surface of the roving frame 1, continuous feeding is performed. Of this circuit, the controller SPC controls the drive motor 124, and controls the rotation speed, rotation speed, and rotation direction of the motor by opening and closing contacts RMH-l and the like. The switching device 112 includes a transport path switching plate 132 attached to the transport rail 110 so as to be able to swing in the horizontal direction about the support shaft 131 together with the support shaft 131. III 1
The swing arm 134 is attached to the upper end of the cylinder 31 and swings as the cylinder 133 moves back and forth.

Next, the operation will be explained. First, in response to a full bobbin advance notice command from the Rover 1, the conveyor train 118 on which the empty bobbin EB has been suspended is moved from the main conveyor rail 110 to the branch conveyor rail 111 in front of the Rover 1.
to be transferred to. At this time, the transfer device 119 connects the contact I (i) of the high-speed switch of the circuit 205 shown in FIG.
Close contact R of reversing switch No. 7, then relay RTH
, RTHR are energized, and the normally closed contact RTH- of circuit 208 is energized.
1 opens, a solenoid SOL of a solenoid valve (not shown) connected to the catcher cylinder 130 switches, the cylinder 130 moves forward, and the catcher 129 moves upward. At the same time, the contact RTHR-1 connected to the controller SPC of the circuit 209 closes and the cylinder 1
30 is the forward end limit switch LSA (
circuit 200) is turned on, and relay RLSA is turned on. Then, contact RLSA-2 of circuit 206 closes and relay R
M HIJ < ON and the contact RM I of the circuit 209
-(-1, RM H-2 is closed, the drive motor 124 of the transfer device 119 is reversed at high speed, and the rotating disk 125 transfers the carrier group 118 at high speed, so that the tip of the carrier group 118 is shown in FIG. As shown, the proximity switch 135 confirms, opens the contact Hi of the circuit 205, switches the solenoid SQL, moves the cylinder 130 backward, the catcher 129 engages with the first index positioning pin 127, and the conveyor link 1
The tube changing center L1 of No. 18 coincides with the tube changing center CLI of the roving frame 1 and is stopped at the first tube changing position. Next, in response to a pipe full command from the roving frame 1, the pipe changer AD is joined to the front surface of the roving machine 1, and the first proximal body 16 and the proximity switch 17 are opposed to each other and stopped at the first pipe change position, and the pipe change is started. Machine AD, @feeder 11
8. The pipe changing centers CL, LL, and CLI of the roving frame 1 are aligned (Fig. 3, Fig. 18 (A)). Next, with the pipe changing bar 76 at the lower end and the backward end, change the front and rear row pipe changing arms 96 and 97 from a single row arrangement to a staggered arrangement, rotate the feed bar 69, and move the pipe changing bar 76 to the bobbin rail. 4
Move the bobbin forward toward the upper full bobbin FB, stop it at the forward end, and insert the fork parts of the front and rear row tube changing arms 96 and 97 above and below the upper flange part BT of the full bobbin FB to connect the lifting screw rod. 78 to raise the tube change bar 76 to the rising end, and suspend the full bobbin FB from the front and rear row tube change arms 96 and 97.

At this time, the full bobbin peg bar 18 is in the lower delivery position S1, and the empty bobbin peg bar 19 is moved from the standby position S7 to the cam follower 45 as the lifting block 44 is raised by the lifting chino 64. is guided by the grooved cam of the grooved cam plate 65, and the swinging arm 50 is swung forward and upward relative to the lifting block 44, thereby being moved forward and raised to the upper delivery position S8. Then, place the four empty bobbins EB of the carrier group 118 at the pipe change position iN onto the peg 2o (Fig. 18(B)).
). Next, the empty bobbin peg bar 19 descends and retreats with the empty bobbin EB placed thereon, and stops at the standby position S7, and at the same time, the tube change bar 76 moves back and moves the tube change arms 9 for the front and rear rows.
6.97 are arranged in a staggered row with the full bobbin FB hanging, and each peg 2 of the full bobbin begging bar 18 is exactly
It stops at the delivery position where each full bobbin FB taken out in the vertical direction of 0 is located, and here the full bobbin peg bar 18 rises slightly to place the full bobbin FB on each peg 2o at the receiving position S2. place (Figure 18(C)). Next, the tube changing bar 76 is retreated to the rear end, the elevating cheno 42 is driven, the full bobbin peg bar 18 is vertically lifted upward, and the full bobbin FB is inserted into the empty tube support 116. At this time, the full bobbin peg bar 18 is raised relative to the slide block 26 by the cam plate 34 and the link mechanism. At the same time, the empty bobbin bevel bar 19 in the standby position S7 is moved to the front and rear tube changing arms 96 of the empty bobbin EB, with the upper flange BT of the empty bobbin EB at the rising end and in a straight line at the retreating end of the tube changing bar 76. 97 is lowered and advanced to the receiving position S6 at which the height can be inserted (FIG. 18(D)). Next, the full bobbin peg bar 18 is lowered to intermediate stop position S3.
Also, the front and rear row tube changing arms 96 and 97, which are at the rising end and the retreating end in the - row state, are moved forward and stopped at the delivery position, and are moved below the upper flange portion BT of the empty bobbin EB. Then, lower the empty bobbin peg bar 19 slightly to position it at the completed position @S5 of the lower transfer position, and hang the empty bobbins EB in a line from the front and rear row tube change arms 96 and 97 (Fig. 18). (E)). Next, pipe change arm 96.9 for front and rear rows
7 from a single row to a staggered arrangement, position the tube change bar 76 to the forward end, lower the tube change bar 76, and insert the empty bobbin EB onto the empty bobbin wheels 5a and 5b of the rover 1 (
Figure 18 (F)). Next, the pipe changing bar 76 is moved back to the rear end, and there the arrangement of the front and rear pipe changing arms 96, 97 is changed from the staggered arrangement to the single row arrangement (FIG. 18(G)). Next, the empty bobbin peg bar 19 at the completion position S5 of the lower delivery position is raised and retreated to the standby position S7, and then the full bobbin peg bar 18, which was at the intermediate stop position S3, is lowered to the preparation position S1 of the lower delivery position.

When the - times of pipe changing operations are completed in this way, the pipe changing machine \1) moves to the next pipe changing position, and at this time, the contact P1 (1 pitch feed signal) of the circuit 201 shown in Fig. 17 is closed, Relay RTP turns ON. Then, the contact R of the circuit 208
TP-1 is turned OFF, the solenoid SOL of the solenoid valve of the cylinder 130 is switched, the cylinder 130 moves forward, the catcher 129 swings upward, and the engagement with the first index positioning pin 127 is disengaged, and then the cylinder 1
30 is at the forward end and limit switch LSA is turned on, relay RLSA is turned on and contact R of circuit 202 is turned on.
LSA-1 is ON, relay RMP is ON, therefore circuit 2
09 controller SPC contacts RMP-1, RMP
2 is turned ON, the drive motor 124 is rotated forward at low speed, and the conveyor group 118 is moved in the direction of arrow B in FIG. Next, when the second index positioning pin 127 is confirmed by the proximity switch PX, the proximity switch contact PX of one circuit 203 is turned on, and the relay RPX is turned on (at this time, the contact P
i is set to be OFF. ), contact RPX-1 of circuit 201 is OFF, relay RTP is also OFF, circuit 2
04(7) RPX-2 turns ON and timer TR turns ON. Then, the contact point RTP-1 of the circuit 208 is turned ON, the solenoid SQL is switched, the cylinder 130 is retracted, the catcher 129 is lowered, and during this time, the conveyor assembly 11
8 moves at low speed, the catcher 129 catches the moving second index positioning pin 127, and the catcher 1
In order to ensure that the index positioning pin 127 is in pressure contact with the front end of the drive motor 12 for a predetermined period of time, the drive motor 12 is
Rotate 4 forward. When timer TR times out, timer contacts TR-1 and TR-2 turn OFF, and relay R
MP and RPX are turned OFF, the timer TR is reset, and the drive motor 124 is stopped. As a result, the conveyor group 118 moves by one pitch P4, and as shown in FIG. 19(B), the pipe changing machine AD changes the pipe. Center CL, roving frame 1 and conveyor unit 11
The second pipe switching center CLI, L2 of No. 8 coincides and starts the second pipe switching. After repeating the above operations and completing the pipe change for one roving frame, in order to convey the conveyor chain 118 to the spinning frame at high speed, contact Hi is closed in circuit 205, relay RTH is turned ON, and contact RTH is -1 is turned OFF, solenoid SOL is switched, cylinder 130 for catcher 129 moves forward, catcher 129 is raised, and at the forward end, switches E and S H are turned ON and relay R is turned on.
LSA turns on, relay RMH turns on, and circuit 2
Contacts RMH-1 and RM connected to the controller of 09
Since H-2 is closed and contact RTHR-2 is also closed at this time, the drive motor 124 rotates forward at high speed, and the full bobbin FB
A conveyor chain 118 suspending one roving frame is conveyed to the spinning frame creel.

In this embodiment, the bobbin is transferred to and from the tube support by placing the bobbin on the peg using a peg bar, so even if the height of the tube support is the same as before, the upper part of the peg bar is The delivery position can be lowered by the length of the bobbin than the height of the tube support, and therefore the height of the tube changer itself from the floor can be lower than the bottom end of the bobbin when the bobbin is supported by the tube support. The machine can be used extremely stably, as shown in Figure 18 (A).
) or (H), there is a sufficient vertical gap between the lower end of the bobbin suspended from the carrier chain 118 and the upper end of the pipe changer AD, and therefore, as shown in FIG. In the part CP where the transport rails 110 and 111 intersect with the running rail 15 of the pipe changer AD, even if the transport tool group 118 on which the bobbin is suspended and the pipe changer AD overlap in a plane, the upper and lower Because they do not overlap in the direction, the transport rail and the running rail of the pipe changer in the factory or the running rail 136 of the trolley on which the pipe changer is mounted and moved along the side of the roving machine stand.
(Fig. 12) has the advantage that the layout becomes easier, but as described in the prior art, the present invention is applied to a lifting device that lifts and lowers a bobbin support member that supports and hangs the upper part of the bobbin. By applying this, the amount of movement of the bobbin support member between the lower delivery position and the upper delivery position becomes larger than the amount of movement of the support block, and the amount of movement of the support block can be made smaller than before by this difference in movement amount. The height of the replacement machine will be lower.

In addition, in this embodiment, the conveying tools are arranged in one row at the pitch of the spinning machine creel, but the arrangement is not limited to this, and is the most preferable arrangement for conveying to the spinning machine creel (for example, a staggered row on a roving frame). The arrangement may be as is, or it may be staggered, but the front/back and left/right spacing between each bobbin may be changed as appropriate).If the staggered arrangement of the roving machine is acceptable, it may be in front of the tube change bar.

The left and right and front and back spacing changing devices for the rear row tube switching arm may be omitted. Furthermore, in this embodiment, the staggered arrangement of the roving frame is changed to the bobbin arrangement (-row) of the creel of the spinning frame only by the doffing operation of the tube changer, so that when the doffed full bobbins are transported to the skein spinning machine, post-processing can be simplified. Furthermore, in this embodiment, the lower transfer positions of the peg bars for full and empty bobbins are the same, so the tube change bar can be controlled in three locations (front, rear end, and intermediate position). In addition, the required space in the forward and backward movement direction of the pipe change bar can be reduced.

In this embodiment, the full bobbin peg bar is raised from its preparation position to the receiving position at the lower delivery position, and the full bobbin is placed on the full bobbin peg bar.
The full bobbin peg bar may be stopped and set at the receiving position of the lower delivery position, and the full bobbin may be transferred onto the full bobbin peg bar by moving the tube change bar up and down. Furthermore, the transport device associated with the carrier may also be of the type known in the art, such as a battery car. Further, the delivery arms for the front and rear rows are not limited to those of this embodiment, but are, for example,
As shown in No. 940, a screw feeding mechanism, a cylinder, etc. may be used.

Further, although the empty bobbin lifting device has been described using a chain and a chain sprocket, it may be driven by a belt or the like. In addition, in this example, the pipes were changed by four spindles, but
An appropriate number of spindles may be processed at one time depending on the bobbin wheel arrangement of the roving frame. Furthermore, the upper delivery position of the peg bar for full and empty bobbins is the same, but for example, the vertical movement mechanism of the peg bar for empty bobbins is omitted, and a vertical lifting device similar to that of the peg bar for full bobbins is used, and the transport rail is Conveyance rails for full bobbins and empty bobbins may be arranged above the peg bars for full bobbins and the peg bars for empty bobbins in one row, respectively. In this case, take out the full bobbin to the full bobbin peg bar, attach it to the pipe support of the full bobbin transport rail vertically above, then raise the empty bobbin peg bar to receive the empty bobbin from the empty bobbin transport rail, and lower it. This can also be carried out by moving the pipe changing arm forward and supplying the pipe to the roving frame. Furthermore, although peg bars for full and empty bobbins are provided separately, one peg bar may be provided as long as it can be used for both.

Effects of the Invention As described above, the present invention includes a support block in which an elevating device for elevating and lowering a bobbin support member that supports a bobbin between a lower delivery position and an upper delivery position is supported on a main body of a pipe changing machine so as to be able to be raised and lowered by a predetermined amount; The support block includes an elevating support mechanism that supports the bobbin support member in a vertically movable manner, and as the support block rises, the bobbin support member is raised relative to the support block and positioned at the upper delivery position. ,Also.

As the support block lowers, the bobbin support member is lowered relative to the support block and positioned at the lower delivery position, so when the bobbin support member is at the upper delivery position, the position of the support block is It can be made lower than the bobbin support member, and the vertical movement vA of the support block can be made shorter than before, and the height of the pipe changer as a whole can be made lower than before, and the speed of the pipe changer can be increased. Miniaturization can be achieved.

[Brief explanation of drawings]

Figure 1 is a side view of the tube changer of the roving machine, Figure 2 is a front view of the tube changer, Figure 3 is a plan view, Figure 4 is a side view of the lifting device for the peg bar for full bobbins, and Figure 5. Figure 6 is a side view of the elevating device for the peg bar for empty bobbins, Figure 7 is a developed view taken along line I-1 in Figure 6, and Figure 8 is the peg bar for empty bobbins. A diagram showing the movement trajectory of
Figure 9 is a cross-sectional view of the tube change bar, and Figure 10 is from ■-■ in Figure 9.
Fig. 11 is a cross-sectional diagram, an explanatory diagram of the operation of the rear row pipe changing arm, Fig. 12 is a plan view of the conveyance device, traveling rail, and roving frame, Fig. 13 is a plan view of the transfer device, and Fig. 14 is a plan view of the transfer device and the roving frame. A side view of the positioning device, FIG. 15 is a sectional view taken along the line ■-■ in FIG. 14, FIG. 16 is a plan view of the switching device, FIG. 17 is a control circuit for the transfer device and positioning device, and FIG. 18 is an explanation of pipe switching operation. FIG. 19 is a relationship diagram of the roving frame, tube changer, and conveying device. 1...Rovering machine, 3...Top supported flyer, 5
a, 5b...Bobbin wheel, 18.19...Peg bar for full bobbin and empty bobbin, 20...Peg, 76...Tube change bar, 96.97...Tube change for front and rear rows Arm, 111... Conveyance rail, 115...
Board, 116...Pipe support, 118...Transportation tool group,
119... Transfer device, 125... Rotating disk, 1
27...Positioning pin, FB...Full bobbin, ZB...
・Empty bobbin, AD...tube changer, CR...conveying device, PX...detection switch Patent applicant: Howa Kogyo Co., Ltd. Figure 5 Figure 8 F/.

Claims (1)

[Claims] 1. Raise and lower the bobbin support member that supports the bobbin between the lower transfer position where the bobbin is transferred between the bobbin wheel of the roving machine and the upper transfer position where the bobbin is transferred between the tube support above the roving frame. In a tube changing machine for a roving frame, the lifting device is supported on a main body of the tube changing machine so as to be able to rise and fall by a predetermined amount, and the bobbin support member is supported on this support block so as to be movable up and down. As the support block rises, the bobbin support member is raised relative to the support block to be located at the upper delivery position, and as the support block descends, the bobbin support member is raised relative to the support block. 1. A tube changer for a roving frame, characterized in that the bobbin support member is relatively lowered to be located at the lower transfer position.