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
  • D01H9/18—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for supplying bobbins, cores, receptacles, or completed packages to, or transporting from, paying-out or take-up stations ; Arrangements to prevent unwinding of roving from roving bobbins
  • D01H9/187—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for supplying bobbins, cores, receptacles, or completed packages to, or transporting from, paying-out or take-up stations ; Arrangements to prevent unwinding of roving from roving bobbins on individual supports, e.g. pallets

Definitions

• the present invention relates to a device for transferring a fully-filled bobbin in a ring spinning machine, a ring twisting machine or the like.
• a bobbin transfer device of this type generally, an endless conveyor belt is provided with a bobbin insertion / removal bag having a pitch equal to or half the spindle pitch of the spinning machine. Bear equipment is used.
• Japanese Patent Application Laid-Open No. 57-161133 discloses a guide rail provided around a spinning machine, on which a diameter equal to the spindle pitch is provided. Multiple peg trays with a peg on the top and a locking recess on the bottom A bobbin transfer device placed in contact with each other is disclosed. Below the guide rail, there is provided a port that has a plurality of locking claws at predetermined intervals that can engage with the locking recesses of the peg tray, and that can be reciprocated by a cylinder. And constitute a feeder.
• the diameter of the tag tray is set to be equal to the spin dritch of the spinning machine, and each of the bag trays With the front and rear sides abutting on each other, they are moved along the row of spindles so that they are aligned with the positions of the spindles.
• the spinning machine is equipped with a spin dollar of 2 0 0 about weight at least on one side, in a state such as e that there is a tendency of further multi-Tsumuka recently, for example, Beck manufacturing tolerances of the sushi capital Leh Assuming that the yield is 0.1 (although this value is set to be very small as described later), the accumulated error of the 200 weights reaches 20 mm. This value exceeds the tolerance of the dimensional accuracy that can be accepted by the automatic refilling machine, and seriously hinders the refilling work.
• the locking claw of the feeding device which engages with the locking recess of the dog tray is provided.
• a plurality of locking pawls are provided at predetermined intervals, and each locking claw is Only the group of pegs that exist between the pegs that are engaged with the front pawls are shared, and they are moved forward. This makes it possible to keep the accumulation of manufacturing errors of the egg tray within each group.
• the outer diameter dimension tolerance of the tag tray ⁇ D, the number of the tag trays in the group. ⁇ , and the range of bobbin deviation ⁇ A that can be accepted by the pipe replacement device must satisfy the following formula.
• the ambient temperature at which the peg tray is used is in the range of 10 to 40, and the change reaches 30'C.
• the diameter is 75 cm, the dimensional change due to a temperature change reaches about 0.21 mm.
• the outer diameter error which is the sum of this and the manufacturing error described above, is 0.41 strokes, and the number n of the bunch trains that can be positioned as a group is further reduced by half, and the double Stop You will find that you need nails.
• the locking claw is pivotally supported by a support shaft, and by this swinging, the tip of the locking claw can be engaged with the locking concave portion of the tag tray and the locking position of the tag tray. It is designed so that it can selectively occupy any of the evacuation positions that allow passage. That is, the bobbin transfer device has the same number of moving parts as the number of locking claws below the guide rail. A large amount of fly wool floats in a spinning plant, and if the number of rotating parts is large, it is natural that the probability that these fly wool will be caught and the rotation part malfunctions increases. It is. To prevent this, the frequency of cleaning and maintenance work must be increased.
• An object of the present invention is to solve these problems associated with the prior art. Disclosure of the invention
• An empty bobbin transfer device of a spinning machine that moves on a moving path provided, and a moving bar that reciprocates in the transfer direction with a stroke larger than the spindle pitch of the spinning machine along the moving path.
• a plurality of engaging parts which can be engaged with the locking recesses of the beg tray.
• Tray positioning bars having locking projections of N (N is a natural number) times the spindle pitch are provided in a row in a row along the entire length of the drive bar. This is achieved by a full bobbin transfer device in a spinning machine, which is supported so as to be able to move up and down through a material, and is capable of reciprocating in the front-rear direction according to the reciprocating motion of a drive bar.
• the tray positioning bar when the reciprocating drive bar moves in the forward direction, the tray positioning bar is lifted upward by the urging force of the spring member, and a plurality of locking projections provided on the tray positioning bar correspond to the tray positioning bar. Engage with the locking recess of the tag tray to advance the tag tray together with the drive bar. At the most advanced position, each egg tray occupies a position advanced by one spindle pitch from its original position. Then, when the drive bar moves in the retreating direction, the spring member supporting the tray positioning bar deflects downward, and the locking protrusion passes below the peg tray, so that the peg tray is moved there. Only the tray positioning bar is returned to the original position together with the driving bar.
• the positioning of the peg tray is performed by the plurality of locking projections provided on the tray positioning bar with reference to N times the spindle pitch of the spinning machine. Therefore, even if there is a manufacturing error in the egg tray, only a limited N errors are accumulated, and extremely accurate positioning can be performed as compared with the conventional apparatus.
• a tray positioning bar can be installed for each span of the spinning frame, and the correspondence with the spinning spindle is determined by each positioning bar. —Since it can be performed at once, the labor required for adjustment can be greatly reduced.
• the locking projections of the tray positioning bar are provided at an interval equal to the spindle bitch so as to correspond to each spindle of the spinning machine.
• the outside diameter of the beg tray is smaller than the spindle pitch (75 mm) in advance (for example, 74.6-
• FIG. 1 is a sectional view of a main part of an embodiment of the present invention
• Fig. 2 is a sectional view taken along the line H-
• FIG. 3 is a front view of a spinning machine to which the present invention is applied;
• FIG. 4 is an exploded perspective view of a main part of the embodiment shown in FIG. 1,
• FIG. 5 is a schematic front view of a part of FIG. 3,
• FIG. 6 (a) to 6 (d) are cross-sectional views for explaining the operation of the present invention.
• FIG. 7 is a perspective view of another embodiment of the present invention.
• FIG. 3 shows a spinning machine to which the present invention is applied.
• a spindle rail 9 extending in the longitudinal direction of the machine frame, a large number of spindles 7 and middle pegs 8 are arranged in two rows vertically.
• a guide cover 10 is provided along the spindle row, and one end (the left end in the figure) is adjacent to the supply or takeout conveyor 5, and the other end is a turning rail. (Not shown). Since this configuration is not related to the present invention, the detailed description is omitted here.
• a bracket 2 projects from the frame 1 of the spinning frame at a predetermined interval, and the bracket 2 forms a pair of rails 14 having a U-shaped cross section. Are supported so as to face each other with a small space therebetween.
• the guide cover 10 has an L-shaped cross section, is screwed to the side of both rails 14, and has a tag between the upper surface of the rail 14 and the back of the guide cover, 110 O. A space extending in the longitudinal direction for transporting the tray 13 is formed.
• the pig tray 13 has a circular main body formed by molding a plastic material, a bobbin insertion beg 13a is provided on an upper surface thereof, and a locking recess 13b is provided on a lower surface thereof. Is provided.
• both guide covers 10 are spaced so as to allow passage of besog trays 13 and to regulate the position in the width direction.
• a recess 2a is provided in the bracket 2 corresponding to the gap between the lower portions of the pair of rails 14, and a drive bar 3 having a U-shaped cross section extends in the longitudinal direction of the frame of the spinning machine. are doing.
• a guide port 15 for the drive bar 3 is supported on the machine base so as to be free to roll.
• a bracket 3a is fixed in the vicinity of the end of the drive bar 3 so as to protrude downward, and the piston cylinder of the hydraulic cylinder 16 installed in the horizontal direction is mounted.
• a head 16a is connected to the bracket 3a by a pin 17 via a length adjusting turnbuckle 18 attached to the end of the head 16a.
• the cylinder 16 can reciprocate the piston rod 16a with a stroke slightly larger than the spindle pitch of the spinning machine. Therefore, when the hydraulic cylinder 16 is operated, the driving bar 3 can reciprocate at a predetermined stroke ⁇ along the longitudinal direction of the frame of the spinning machine.
• a plurality of positioning stoppers 4 are fixed to the driving bar 3 with screws at pitches equal to the span interval of the spinning frame (see FIGS. 1 and 5).
• the positioning stopper 4 is formed with rectangular parallelepiped vertical grooves 4a and 4b, and a pin 4c is mounted on the upper portion thereof so as to cross each groove.
• a tray positioning bar 23 is provided between adjacent positioning ribs 4, and guide portions 23b formed in front and rear regions thereof (see FIG. 4). Are loosely fitted in the vertical grooves 4a and 4b so that the vertical movement can be performed within a predetermined range. ing.
• each tray positioning bar 23 As shown in Fig. 1, a number of serrations equal to the number of spindles of one span at intervals equal to the spindle pitch of the spinning machine.
• a stop projection 23a is provided at the top of each tray positioning bar 23, as shown in Fig. 1, a number of serrations equal to the number of spindles of one span at intervals equal to the spindle pitch of the spinning machine.
• a stop projection 23a is provided at the top of each tray positioning bar 23, as shown in Fig. 1, a number of serrations equal to the number of spindles of one span at intervals equal to the spindle pitch of the spinning machine.
• a stop projection 23a is provided at the top of each tray positioning bar 23, as shown in Fig. 1, a number of serrations equal to the number of spindles of one span at intervals equal to the spindle pitch of the spinning machine.
• a stop projection 23a is provided at the top of each tray positioning bar 23, as shown in Fig. 1, a number of serrations equal to the
• a leaf spring 19 is attached to the upper surface of the drive bar 3, whereby the tray positioning bar 23 is urged upward.
• This leaf spring can be replaced with another elastic means, for example, a coil spring '.
• the left end surface of the tray positioning bar 23 contacts the vertical wall that forms the bottom surface of the right vertical groove 4a of the positioning stopper 4 when the drive bar 3 moves, and determines the rear position. And is restricted by pin 4c not to jump out.
• the right end face of the tray positioning bar 23 has a slight gap between it and the vertical wall forming the bottom surface of the left vertical groove 4b of another positioning stopper 4. It is configured.
• FIG. 6 (a) shows the initial state of the positional relationship between the rows of the bag toys 13 and the tray positioning bars 23, and each of the locking projections 23a has a corresponding one of the corresponding tray trays.
• 13 Enter the locking recess 13b of 3 and stop at a position at a certain distance from the right wall surface of the locking recess 13b. I have. In this position, each of the egg drains 13 occupies a position corresponding to each spindle of the spinning frame.
• each beg tray 13 is moved to its original position force, and the next spindle shifted by one spindle pitch. It is positioned at the corresponding position. If the outer diameter of the tag trays 13 is made smaller than the positioning pitch, ie, the spindle pitch, the outer diameter of the tag trays 13 can be adjusted as shown in the figure. It is aligned with the gap formed.
• the moving bar 3 moves to the retreating motion, and the tray positioning bar-23 also moves to the left with the movement.
• the inclined surface of the locking projection 23 a is moved to the peg tray.
• the tray positioning bar 23 descends against the urging force of the leaf spring 19, and as shown in FIG. a passes below the hegg tray 13 and returns to the position shown in Fig. 6 (a) again.
• FIG. 7 shows another example of the positioning rod used in the present invention.
• the two flutes 4 a and 4 b shown in FIG. 4 they are put together to form one flute 4 d, and a pin 4 c crossing this flute is provided. ing. Then, an elongated slot 23c in the vertical direction is formed toward the guide portion 23b of the tray positioning bar 23. In this way, the pin 4c is passed through this, thereby restricting the position of the tray positioning bar 23 in the longitudinal direction, and is movable within a certain range in the vertical direction.
• ⁇ D is the tolerance of the outer diameter of the pig tray, and ⁇ is the allowable range of the bobbin grip of the gripper of the pipe changer.
• the present invention is applicable not only to bobbin transport in spinning machines, but also to any field in which bobbins such as twisting machines and draw-twisting machines are arranged in a line at a predetermined pitch and transported. It is.

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

Applications Claiming Priority (2)

Publications (1)

Family

ID=11709728

Family Applications (1)

Country Status (3)

Citations (2)

Family Cites Families (2)

• 1988
  • 1988-01-27 JP JP904788U patent/JPH052623Y2/ja not_active Expired - Lifetime
• 1989
  • 1989-01-27 EP EP19890901740 patent/EP0371134A4/en not_active Withdrawn
  • 1989-01-27 WO PCT/JP1989/000076 patent/WO1989007164A1/ja not_active Application Discontinuation

Patent Citations (2)

Non-Patent Citations (1)

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