JPH0765252B2 - Full / empty bobbin transfer device for spinning machines - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Object of the Invention (Industrial field of application) The present invention is applied to a ring spinning machine, a ring twisting machine, etc.
The present invention relates to an empty bobbin transfer device.

(Prior art) In a ring spinning machine, etc., in order to facilitate the automatic pipe changing work by the pipe changing device, an empty bobbin is supplied to the front of the spinning machine in a state corresponding to the spindle pitch, and the full bobbin fried is discharged. A transfer device is required. As a transfer device of this type, a conveyor device is generally used in which endless conveyor belts are provided with projecting pegs for bobbin insertion at intervals of equal to or half the spindle pitch. However, the conveyor device has a disadvantage that the conveyor belt stretches due to long-term use and the stretch increases, and the peg interval is set, which causes the automatic pipe replacement work of the pipe changer to be supported. is there.

As a transfer device for solving the above-mentioned problems, JP-A-57-1611
As shown in FIGS. 16 and 17 in the publication No. 33, a guide rail 72 is arranged around a spinning machine 71, a peg 73a is projected on the upper surface of the guide rail 72, and a locking recess is formed on the lower surface. A large number of peg trays 73 formed with 73b and having the same diameter as the pitch of the spindle 74 are slidably mounted in contact with each other, and can be engaged with the locking recesses 73b below the guide rails 72. A feed device for reciprocally moving a rod 76 equipped with a plurality of locking claws 75 at predetermined intervals by a cylinder 77 is provided, and the peg tray 73 is guided by the guide device to the guide rail 72.
A transfer device has been proposed that moves sequentially along.

(Problems to be solved by the invention) In the apparatus for transferring bobbins using the peg tray, the diameter of the peg tray is formed to be the same as the spindle pitch, and the peg trays are in contact with each other along the spindle row. By moving and arranging, the pitch of the pegs corresponds to the spindle pitch. On the other hand, the spinning machine table currently has around 200 spindles on each side, but it is also aimed at multiple spindles. Even in the case of 200 weights on one side, if the manufacturing error of the peg tray is 0.1 mm, the peg and spindle of the peg tray will be arranged due to the accumulation.
An error of 200 mm occurs, which hinders the pipe replacement work by the pipe replacement machine. In order to eliminate the inconvenience due to the accumulation of the manufacturing error, in the conventional device, the locking recess of the peg tray 73 is used.
Plural locking claws 75 that engage with the 73b are provided at predetermined intervals, and each locking claw 75 presses and moves a plurality of peg trays on the guide rail 72 in groups. When a plurality of groups are pressed and moved as described above, the outer dimension tolerance ΔD of the peg tray, the number n of peg trays in the group, and the bobbin gripping allowable range ΔA of the pipe changing device must satisfy the following expressions.

ΔA ≧ ΔD × n That is, if ΔA = 2 mm and ΔD = 0.15, n = 13, and 13 must be positioned as one group. However, since the peg tray is usually made of plastic, the dimensional tolerance can only be obtained by molding.
It is difficult to reduce the thickness to 0.15 mm or less, and machining becomes indispensable, which increases the manufacturing cost of the peg tray. When using it as it is without machining, it requires a dimensional tolerance of about 0.3 mm. In this case, the number of peg trays in one group is 6, and the number of locking claws 75 for positioning in each group is increased. In the case of a machine stand having 200 weights on each side, 34 locking claws 75 are required on one side.

On the other hand, the locking claw 75 is swingably supported by a support shaft 78, and the tip of the locking claw 75 swings between a locking position in which the locking recess 73b of the peg tray 73 can be engaged and a retracted position in which the peg tray 73 is allowed to pass. It is configured to be possible. Therefore, there are as many rotating parts as there are locking claws 75 on one side of the machine base.
However, a large amount of fly cotton floats in the spinning factory, and when there are many rotating parts as described above, the probability that the cotton fly will enter the movable part becomes high, and even one of the movable parts will generate wind. When it becomes inoperable due to the biting of cotton or the like, it becomes impossible to transfer the peg tray, so that there is a problem that cleaning and maintenance work of the movable part is always required.

Structure of the Invention (Means for Solving the Problems) In order to solve the above problems, in the present invention, a peg tray having a peg for inserting a bobbin on the upper surface and a locking recess on the lower surface is arranged in one row. A tower-mounting transfer member that is formed so that it can be mounted on the tower and that is reciprocally movable along a spindle row, a drive device that reciprocally drives the tower-mounting transfer member, and a tower that extends in parallel with the tower-mounting transfer member. A guide member for suppressing lateral displacement of the peg tray mounted on the mounting / transporting member from the moving direction of the tower mounting / transporting member and a locking projection capable of being engaged with the locking recess of the peg tray are N times the spindle pitch (N: A plurality of them at intervals of a natural number), which extend along the longitudinal direction of the tower-mounted transfer member and are movably supported by springs so that the locking projections can be arranged in a state of entering the locking recesses, The tower-mounted transfer section Can be displaced to the retracted position that allows passage of the peg tray when moving forward, and to the locking position that engages with the locking recess to prevent its movement and holds the peg tray at the position corresponding to the spindle when returning. And a locking member arranged.

(Operation) In this device, the tower-mounted transfer member is reciprocally driven by the drive device with a stroke larger than the spindle pitch. The peg tray is moved integrally with the loading transfer member during the forward movement of the tower loading transfer member. At this time, the locking member arranged with the locking projection intruding into the locking recess of the peg tray is moved to the retracted position allowing the passage of the peg tray, and then again moves into the locking recess of the peg tray. It will be in the state of doing. When the tower-mounted transfer member is returned, the locking projection of the locking member engages with the locking recess of the peg tray to regulate the movement of the peg tray, so that the peg tray is held at the position corresponding to the spindle and transferred to the tower. Only the member moves to its original position. The locking member is supported movably up and down via a spring, and one locking member is provided with a plurality of locking projections. The number of movable parts is less than the number of locking projections, and Since it does not necessarily require a moving part, it is not easily affected by flies.

(Embodiment 1) A first embodiment in which the present invention is embodied in a ring spinning machine connected to a winder will be described below with reference to FIGS. As shown in FIG. 3, a peg tray FT with a full bobbin in which the full bobbin F fried in the fine spinning frame 1 is inserted and attached to one side of the fine spinning frame 1 and the winder 2 arranged side by side. The full bobbin carrying conveyor 3 for carrying and the empty bobbin carrying conveyor 4 for carrying the empty bobbin-equipped peg tray ET in which the empty bobbin E used in the winder 2 are inserted are arranged in parallel, and The empty bobbin-carrying peg tray ET on the empty bobbin-carrying conveyor 4 is supplied via the supply conveyor 5 arranged at one end of the No. 1 and the full-bobbin-carrying peg tray FT is transferred to the empty bobbin-carrying conveyor 6 via the peg tray take-out conveyor 6. 3 is to be transferred.

As shown in FIG. 2, a guide cover 10 as a guide member constituting the full / empty bobbin transfer device T is provided below the spindle rail 9 which vertically supports a large number of spindles 7 and intermediate pegs 8 in parallel. 5) and a support bracket 25 to extend along the spindle row. The guide cover 10 has one end extending near the supply conveyor 5 or the take-out conveyor 6 and the other end extending to a position corresponding to the direction changing rail 12. As shown in FIGS. 4 and 5, a peg tray for inserting a bobbin on the upper surface is provided inside the guide cover 10.
The brackets 11 are provided with transfer rails 14 and 15 as tower-mounting transfer members, which are formed so as to mount the peg tray 13 having a locking recess 13b on the lower surface thereof in a single row in a reciprocating manner along the spindle row. And the guide groove 11a of the support bracket,
It is supported on 25b. Both transfer rails 14 and 15 are connected via a connecting member 17 to a piston rod 16a of an air cylinder 16 arranged on the out-end OE side of the spinning machine base 1, and along the spindle row by the operation of the air cylinder 16. It is designed to reciprocate integrally with a stroke slightly larger than the spindle pitch.

A support bracket 18 is fixedly provided near the connecting portion between the transfer rail 14 and the direction changing rail 12 arranged on the front side indicated by R in FIG. 3, and the feed bracket 19 is provided on the support bracket 18 and the guide cover 10 and the direction. It is rotatably supported so as to pass directly above the conversion rail 12. The feed lever 19 is operatively connected to an air cylinder 20 attached to a support bracket 18, and comes into contact with a peg 13a of a peg tray 13 arranged at an end of the transfer rail 14 by the operation of the air cylinder 20 to form one peg tray. Each of them is fed onto the direction changing rail 12. At the front end of the feed lever 19, a regulation lever 21
Is rotatably supported so as to pass over the guide cover 10, and is operatively connected to the air cylinder 22 mounted on the feed lever 19, and the feed lever 19 is attached to the peg tray of the transfer rail 14.
When the 13 is fed onto the direction changing rail 12, the following peg tray 13 is regulated so as not to hinder the feeding work.

As shown in FIGS. 1 and 4, on the inside of the transfer rails 14 and 15, there are locking protrusions 23a that can be engaged with the locking recesses 13b of the peg tray 13.
A plurality of locking members 23 formed in a saw-tooth shape at the same interval as the spindle pitch extend along the longitudinal direction of the transfer rails 14 and 15, and at the positions where the locking protrusions 23a correspond to the spindle 7, the peg tray 13 It is supported by a leaf spring 24 so as to be movable up and down so that it can be arranged so as to enter the locking recess 13b. The leaf spring 24 has one end fixed to a support bracket 25 that also serves as a guide member for the transfer rails 14 and 15, and the other end fixed to an end side surface of the locking member 23. The support bracket 25 is formed with a pair of grooves 25a that allow the locking member 23 to move up and down.
A regulation plate 26 covering the upper opening of 5a is fixed by a screw 27. That is, the locking member 23 is supported by the pair of leaf springs 24 with both ends thereof being loosely inserted into the groove 25a of the support bracket 25 and the upper end thereof being in contact with the regulation plate 26. The arrangement position of the locking member 23 is set so that the peg tray 13 is arranged at the pipe replacement position corresponding to the spindle 7 in a state where all the locking projections 23a are in contact with the locking recesses 13b of the peg tray 13. Has been done.

It should be noted that the spinning machine base 1 is provided with a known all-mass simultaneous pipe changing device 32 having a bobbin catcher 31 that is vertically moved through a link mechanism 30 by the action of a drive rod 29 that is reciprocally moved by a hydraulic cylinder 28. It is arranged.

Next, the operation of the device configured as described above will be described. Now, when the machine stand is fully stopped, the pipe changing device 32 exchanges the empty bobbin E on the peg tray 13 with the full bobbin F on the spindle 7 via the intermediate peg 8, and after the pipe changing operation is completed,
Carry-out of full bobbins and carry-in of empty bobbins are started.

From the state shown in FIG. 3, first, the air cylinder 16 on the side (L side) corresponding to the peg tray take-out conveyor 6 is operated and the transfer rail 15 is reciprocally driven with a stroke slightly larger than the spindle pitch. During the forward movement of the transfer rail 15, the peg tray 13 on the transfer rail 15 moves together with the transfer rail 15, and the bottom surface of the peg tray 13 is a locking member during the movement.
When the transfer rail 15 is further advanced in the state of engaging with the locking projection 23a of 23, the peg tray 13 causes the locking member 23 to move to the leaf spring.
It moves downward against the force of 24, passes above it, and is transferred by the amount of forward movement of the transfer rail 15. When the transfer rail 15 is completely advanced (moved in the direction of arrow P in FIG. 3), the locking projection 23a of the locking member 23 is locked by the locking recess 13b of the peg tray 13.
It is arranged such that it enters the inside and a gap is formed between the locking concave receiver 13b and the locking projection 23a. When the transfer rail 15 is returned, the locking projections 23a protruding into the locking recesses 13b of the peg trays 13 engage with the locking recesses 13b to prevent the peg trays 13 from retreating, and each peg tray 13 corresponds to the spindle 7. It is located at the pipe replacement position. The return movement of the peg tray 13 following the return movement of the transfer rail 15 causes the locking member to move.
Although 23 also tries to retreat due to the expansion of the leaf spring 24, since the rear end of the locking member 23 contacts the groove 25a of the support bracket 25, the position can be secured by retreating only slightly.

The forward movement of the transfer rail 15 creates a space for one peg tray at a position on the transfer rail 15 corresponding to the direction changing rail 12. On the other hand, the forward movement of the transfer rail 15 causes the air cylinder 20 to project, and the feed lever 19 is shown by a solid line in FIG. 3 and from a position shown by a chain line in FIG. 7 (a) by a solid line in FIG. 7 (a). The peg tray 13 is pivotally arranged at the position shown, and the peg tray 13 can enter the space for one peg tray at a position corresponding to the direction changing rail 12 of the transfer rail 14. The air cylinder 16 disposed on the R side of the machine frame is almost at the same time as the air cylinder 16 disposed on the L side of the spinning frame 1 is immersed.
Is moved in and out, and the transfer rail 14 moves forward in the direction of arrow Q in FIG. As a result, the frontmost peg tray 13 on the transfer rail 14 shown in FIGS. 2 and 3 enters the connecting portion between the transfer rail 14 and the direction changing rail 12 as shown in FIG. 7 (a).
Next, the air cylinder 20 is retracted, the feed lever 19 is rotated clockwise, and the frontmost peg tray 13 on the transfer rail 14 is fed to the direction change rail 12 side as shown in FIG. 7 (b). The frontmost peg tray 13 on the turning rail 12 is moved to the rearmost position on the transfer rail 15. Next, the air cylinder 16 disposed on the R side of the machine base is operated to project so that the transfer rail 14 returns to the original position shown in FIG. When the transfer rail 14 is returned, the locking member 23 is used as described above.
The locking projection 23a of the above is engaged with the locking recess 13b of the peg tray 13 to prevent its movement, and is positioned at a position corresponding to the spindle 7. Locking protrusions corresponding to each peg tray 13
Since 23a is provided, the positioning accuracy of the peg tray 13 is performed with the accuracy of the dimensional tolerance when the peg tray 13 is manufactured. Reciprocating movement of transfer rails 14 and 15 and feed lever 19
By repeating the reciprocating rotation operation of the peg tray 13 on the transfer rails 14 and 15 and the direction change rail 12, the spindle 7 is moved to
Transferred by pitch. As a result, the full bobbin-equipped peg tray FT is discharged to the peg tray unloading conveyor 6 side, the empty bobbin-equipped peg tray ET on the supply conveyor 5 is sent to the transfer rail 14, and the empty bobbin-equipped peg tray ET is placed on the transfer rails 14 and 15. It is replaced with a peg tray FT with a full bobbin. Since the locking member 23 provided with a large number of locking projections 23a is supported at both ends thereof by the leaf springs 24 so as to be vertically movable, the number of movable parts is different from the number of locking projections 23a unlike the conventional device. Remarkably less.

In the device of this embodiment, since the mechanism for moving the locking member 23 up and down does not have a rotating portion or a sliding portion,
The interval between maintenance work is long without being affected by the accumulation of fly dust, and the work is easy. Also, the number of feeds of the peg tray, that is, the number of reciprocating movements of the transfer rails 14 and 15 is 1
Although it is 0 to 30 times / minute, when the moving speed is increased, the locking member 23 may vibrate and the peg tray 13 may shake up and down. However, in the device of this embodiment, the locking member 23 is moved upward. Since the movement is regulated by the regulation plate 26, the vibration is suppressed and the shaking of the peg tray 13 is also reduced.

(Second Embodiment) Next, a second embodiment will be described with reference to FIGS. In the apparatus of this embodiment, instead of the peg tray 13 pushing down the locking member 23 when the transfer rails 14 and 15 move forward, the movement of the transport rails 14 and 15 is used to push down the locking member 23. It differs from the device of the previous embodiment. That is, the support member 33 has two support shafts 33 projecting from one side thereof, and a cam 34 is rotatably supported on the support shaft 33. A detent pin 35 is provided obliquely behind the support shaft 33, and the cam 34 is urged to rotate counterclockwise in FIG. 8 by a torsion spring (not shown) and abuts against the detent pin 35. In this state, the transfer rails 14 and 15 are arranged so as to extend obliquely downward in the backward direction. Meanwhile, the transfer rail
The anti-rotation pin 35 is provided inside the 14, 15 in the standby position.
An engagement pin 36 capable of engaging with the cam 34 is provided at a lower position and a position spaced from the spindle 33 by a distance smaller than the spindle pitch.

Therefore, in the apparatus of this embodiment, as shown in FIG.
As shown in (b), during the forward movement of the transfer rails 14 and 15, the engaging pin 36 engages with the upper surface of the cam 34 during the movement, and the transfer rails 14 and 15 further advance in that state. The locking member 23 is moved down as shown in FIG. 11 (b). Then, when the engagement between the engagement pin 36 and the cam 34 is released, the locking member 23 is moved up to the original position by the elastic force of the leaf spring 24. Then, during the downward movement and the upward movement of the locking member 23, the peg tray 13 mounted on the transfer rails 14 and 15 is moved by a distance slightly longer than the spindle pitch,
The locking projection 23a of the locking member 23 is the locking recess 1 of the peg tray 13.
It has entered the inside of 3b. When the transfer rails 14 and 15 are returned, the engagement pins 36 are moved during the movement of the transfer rails 14 and 15.
Comes into contact with the lower surface of the cam 34, and when the transfer rails 14 and 15 further move from that state, the engagement pin 36 passes under the cam 34 while rotating the cam 34 upward and returns to the original position. . Therefore, the device of this embodiment also exhibits the same effect as the device of the above embodiment. Further, in the apparatus of this embodiment, the peg tray 13 and the locking projection 23 of the locking member 23.
Since there is no engagement friction with the inclined surface, the bottom of the peg tray 13 is not worn so that the peg tray does not tilt, and the bobbin inserted into the peg tray 13 is always held in a vertical state.
Further, since the peg tray 13 does not come into contact with the locking protrusion 23a of the locking member 23 when the transfer rails 14 and 15 move forward, the peg tray 1
The mounting position of 3 does not change. Therefore, even when the peg tray 13 having an outer diameter smaller than the spindle pitch is used, the peg tray 13 is reliably positioned at the position corresponding to the spindle by the locking projection 23a of the locking member 23.

(Third Embodiment) Next, a third embodiment will be described with reference to FIGS. In the device of this embodiment, the support structure of the locking member 23 is different from that of the both embodiments. That is, each locking member 23 is supported at both ends thereof so as to be vertically movable via the link 37, and one end is fixed to the lower surface of the link 37 and the other end is brought into contact with the end surface of the support bracket 25 by the leaf spring 38. The locking projection 23 is held at the position where it has entered the locking recess 13b of the peg tray 13. Therefore, in the apparatus of this embodiment, even if the locking projection 23a receives a pressing force in the diagonally forward direction by the peg tray 13, the locking member 23 does not move.
Moved vertically downwards, orthogonal to 4,15.

The present invention is not limited to the above-described embodiment. For example, as shown in FIG. 14, the contact position of the leaf spring 38 in the third embodiment is changed, or the transfer rails 14 and 15 are replaced by towers. As shown in FIG. 15, two belts 41 wound around a pair of pulleys 39 and 40 that can be driven to rotate in the forward and reverse directions may be used as the transfer member. Furthermore, in each of the embodiments described above, as the locking member 23, the number of the locking projections 23a that engage with the locking recesses 13b of the peg trays 13 are formed at intervals equal to the spindle pitch. The distance between the protrusions 23a may be freely changed within the range of N times the spindle pitch. However, N must be a natural number that satisfies ΔA ≧ ΔD × N, where ΔD is the outer dimension tolerance of the peg tray and ΔA is the gripper allowable range for gripping the bobbin. Further, as the direction changing rail 12 for connecting the transfer rails 14 and 15 arranged on both the left and right sides of the machine base, a feed lever 19 which is operated by the air cylinder 20 is used which has a large arc at both end connecting portions. May be omitted.

Effects of the Invention As described in detail above, according to the present invention, unlike the conventional device, the number of movable portions that support the locking member that regulates the movement of the peg tray so as to be vertically movable is significantly smaller than the number of the locking projections. Therefore, it is possible to obtain an excellent effect that it is not easily affected by fly flies and the inspection cycle for maintenance and the like can be extended.

[Brief description of drawings]

1 to 7 show a first embodiment embodying the present invention. FIG. 1 is a sectional view showing a supporting state of a locking member, and FIG. 2 is a spinning frame and a full / empty machine. A partially omitted front view showing the bobbin transfer device, FIG. 3 is a schematic plan view showing an arrangement relationship between a spinning machine and a winder, FIG. 4 is a partially cutaway partial plan view of the full / empty bobbin transfer device, and FIG. FIG. 6 is a side sectional view, FIG. 6 is a partial perspective view, FIGS. 7 (a) and 7 (b) are plan views showing the action of the transfer device for changing direction, and FIGS. 8-11 show the second embodiment. FIG. 8 is a partial front view, FIG. 9 is a partial plan view, FIG. 10 is a sectional view taken along the line AA of FIG. 9, and FIG.
(F) is a schematic partial front sectional view showing the operation, FIGS. 12 and 13 show a third embodiment, and FIG. 12 is a partial plan view.
13 is a sectional view taken along the line BB in FIG. 12, FIG. 14 is a sectional view showing a modified example, FIG. 15 is a partial front view showing another modified example, and FIG. 16 is a schematic plan view of a conventional device. FIG. 17 is a sectional view of the same main part. The spindle 7, the guide cover 10 as a guide member, the peg tray 13, the peg 13a, the locking recess 13b, the transfer rails 14 and 15 as the tower transfer member, the belt 41, the locking member 2
3, locking protrusion 23a, leaf springs 24, 38, cam 34, engagement pin 36.

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Yoshiharu Yasui 2-chome, Toyota-cho, Kariya city, Aichi Stock company Toyota Industries Corporation (56) Reference JP-A-62-69834 (JP, A) Sho 62-243835 (JP, A)

Claims (3)

[Claims] 1. A tower-mounted transfer in which a peg tray having a peg for inserting a bobbin on an upper surface thereof and a locking recess on a lower surface thereof is formed so as to be mounted in a tower in a single row and is reciprocally movable along a spindle row. A member, a guide member extending parallel to the tower-mounted transfer member, for suppressing lateral displacement of the peg tray mounted on the tower-mounted transfer member from the moving direction of the tower-mounted transfer member, and a locking recess of the peg tray. A state in which a plurality of locking projections that can be fitted are provided at intervals of N times the spindle pitch (N is a natural number), and extend along the longitudinal direction of the tower-mounted transfer member, and the locking projections enter the locking recess. It is supported by a spring so that it can be moved up and down via a spring, and when the tower-mounted transfer member moves forward, it is in a retracted position that allows passage of the peg tray, and when it returns, it engages with a locking recess to prevent its movement. Do with Mitsuru empty bobbin transport device in a spinning machine or the like provided with a locking member which is displaceably arranged in the locking position to hold the tray in positions corresponding to the spindle. 2. The full / empty bobbin transfer device in a spinning machine or the like according to claim 1, wherein the locking projections of the locking member are formed at equal intervals to the spindle pitch. 3. A full / empty bobbin transfer device in a spinning machine or the like according to claim 1 or 2, wherein said locking member is supported by leaf springs at both ends thereof.