JP2001279538A - Spinning machine such as ring spinning frame - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow winding-up of a yarn in a proper state from a start to an end of winding and in a state in which a space for piecing operation at the time of an end breakage is always secured even when rotational speed of a spindle is considerably increased than cases in conventional devices. SOLUTION: A spindle rail 4 is independent of a lifting system composed of a ring rail 19, a balloon guide 18 and a lappet 17 and configured so as to be freely liftable and lowerable and a driving means for driving the spindle rail 4 to lift and lower is installed. The cylindrical balloon guides 18 are installed to a rail arranged in the longitudinal direction at the intermediate position of the ring rail 19 and the lappet 17 at a prescribed interval on each spindle. The balloon guide 18 is formed so as to have the prescribed length allowing controlling an abnormal expansion of a balloon between the upper end thereof and the lappet 17 and between the lower end thereof and the ring rail 19 in a high-speed rotation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ring spinning machine for winding a yarn on a bobbin via a traveler traveling on a ring,
The present invention relates to a spinning machine such as a ring twisting machine.

[0002]

2. Description of the Related Art In a ring spinning machine, generally, FIG.
As shown in the figure, the yarn Y sent out from the front roller 71 has a snell wire 73 fixed to a wrappet 72 supported by a wrappet angle (not shown), a balloon control ring 74, and a ring 76 fixed to a ring rail 75. It is wound around a bobbin B which rotates integrally with a spindle 78 via a traveler 77 running above. The spun yarn tension is closely related to ballooning stability and yarn quality, and it is important to keep the spun yarn tension within a predetermined range.

[0003] The balloon control ring 74 prevents the yarn Y from bulging outwardly (balloon) between the snell wire 73 and the traveler 77 during spinning. Prevents the thread from being wound around the bobbin B and causing thread breakage. However, since the balloon control ring 74 is generally formed of a wire, if the spinning speed is to be further increased, the balloon becomes excessively large and the yarn Y is adjacent at high speed as shown by a chain line in FIG. Interference with the weight or the separator causes breakage of the yarn or deterioration of the yarn quality. Further, as the spinning speed increases, the contact pressure of the yarn Y with the balloon control ring 74 increases, and the quality of the yarn Y, such as fluffing of the yarn Y due to friction, and yarn breakage tend to occur. Further, in the case of spinning a synthetic fiber having a lower melting point than cotton, a molten yarn is generated and the yarn strength is reduced, so that a high quality yarn cannot be obtained. This phenomenon is remarkable in the case of thick yarns. For example, when spinning a 100% polyester thick yarn, the upper limit of the maximum rotation speed is about 13000 rpm for 16th yarn.

Japanese Utility Model Laid-Open Publication No. 53-144918 discloses a balloon control ring 74 for solving the above-mentioned problem of the balloon control ring 74 formed of a wire.
A balloon control ring having a cylindrical shape and a vertical width (length) of 40 to 80 mm has been proposed.

Further, as a method of increasing the yarn tension during spinning at a high speed to suppress the balloon from becoming larger, there is a method of making the traveler heavier.

[0006]

Problems to be Solved by the Invention
Use of a long balloon control ring which is cylindrical and long like the balloon control ring disclosed in Japanese Patent Publication No. 18 can prevent the balloon from becoming too large during high-speed operation.

In order for the yarn to be wound around the bobbin B in an appropriate state, the length L between the snell wire 73 and the front roller 71 on the bottom side needs to be within a predetermined range. When the cylindrical balloon control ring is applied to a conventional ring spinning machine, as shown in FIG. 11A, the wrappet at the start of winding is set so that the length L is within an appropriate range at the start of winding. When the positions of the 72 and the balloon control ring 74 are set, as shown in FIG. 11B, there is a problem that when the winding is completed, the length L is too short to secure a space necessary for the piecing operation. . Also, as shown in FIG. 12 (b), when the space required for the piecing operation can be secured even when the end of winding is approaching, as shown in FIG. However, there is a problem that it is too long to spin in an appropriate state.

In the method of increasing the yarn tension by increasing the weight of the traveler, the centrifugal force acting on the traveler increases, and the friction between the traveler and the ring increases, causing the traveler to wear out early. As a result, the traveler must be replaced frequently, which lowers the operation rate. Further, if the traveler becomes heavier, there is also a problem that thread breakage tends to occur at the start of winding.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has as its object to provide a yarn from the start of winding to the end of winding, even if the spindle rotational speed is greatly increased as compared with the conventional device. Of the present invention is to provide a spinning machine such as a ring spinning machine that can wind up the yarn in an appropriate state and can always secure a space for a splicing operation at the time of yarn breakage.

[0010]

In order to achieve the above object, according to the first aspect of the present invention, the spindle rail is constructed so as to be able to ascend and descend independently of the ring rail, the balloon control guide and the elevating system of the lappet. A drive means for driving the spindle rail up and down, and the balloon control guide is provided for each weight at a predetermined interval on a support member disposed in a longitudinal direction at an intermediate position between the ring rail and the lappet; The guide was formed to have a predetermined length capable of suppressing abnormal inflation of the balloon between the upper end of the balloon control guide and the lappet and between the lower end of the balloon control guide and the ring rail during high-speed rotation of the spindle.

Therefore, in the present invention, the spun yarn is wound around the bobbin while the balloon is regulated by the balloon control guide having a predetermined length. In the path of the spun yarn, the length between the upper end of the balloon control guide and the lappet and the length between the lower end of the balloon control guide and the ring rail are determined even when the spindle is rotating at high speed. Is set so as not to be excessive, so that winding is performed normally. As the winding progresses, the positions of the ring rail and the balloon control guide with respect to the bobbin rise. Then, after the balloon control guide approaches the predetermined range with respect to the front roller, the spindle rail is lowered at a predetermined lowering speed, and the winding position of the yarn around the bobbin gradually increases even if the lifting range of the ring rail is the same.

According to a second aspect of the present invention, in the first aspect of the present invention, a descent start timing setting means for setting a descent start timing of the spindle rail driven by the driving means, and Control means for controlling the driving means so that the rail descends at a predetermined descending speed.

According to the present invention, the timing of starting the lowering of the spindle rail is set based on the yarn type and the maximum spindle rotational speed during operation. Therefore, it is easy to set an appropriate descent start timing corresponding to the yarn type and the maximum rotation speed of the spindle. The yarn type means the thickness of the yarn or the fiber type.

According to a third aspect of the present invention, in the first or second aspect, the balloon control guide is formed in a cylindrical shape. Therefore, in the present invention, the structure of the balloon control guide is simple,
Balloon regulation is also effectively performed.

According to a fourth aspect of the present invention, in the first aspect of the present invention, the balloon control guide is configured to be vertically movable independently of a ring rail. Therefore, according to the present invention, it is easy to make the range of raising and lowering the ring rail and the range of raising and lowering the balloon control guide more appropriate in accordance with the spinning conditions.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) FIG. 1 shows a first embodiment in which the present invention is embodied in a ring spinning machine.
This will be described with reference to FIG. As shown in FIG. 2, a gear 2 is fitted to an end of a rotating shaft 1a of a front roller 1 constituting a draft part. The rotating shaft 1a includes a gear 2 and a driving shaft 3 that is driven to rotate by a main motor M.
And is rotatably driven via a gear train (not shown) arranged between them. A sensor S1 that outputs a pulse signal in accordance with the rotation of the front roller 1 is provided near the gear 2. Sensor S1 is front roller 1
And a role as a spinning amount detecting means for detecting the spinning amount.

The spindle rail 4 can be moved up and down. As shown in FIG. 1, the spindle rail 4 has an upper part on a rod 5 having a screw part 5a formed on a lower side.
It is fixed via a bracket 4a. The screw portion 5a is screwed to a nut body (ball nut) 7 rotatably supported at a predetermined height position of the machine frame 6 via a support member (not shown). A plurality of rods 5 and one nut body 7 (only one is shown) are provided, and a screw gear 7 a is integrally formed on the outer periphery of the nut body 7. The screw gear 7a meshes with a screw gear 8a provided on a drive shaft 8 disposed along the longitudinal direction of the spinning frame. The drive shaft 8 is driven by a servo motor 9 to rotate forward and reverse. When the drive shaft 8 rotates forward, the spindle rail 4 moves up together with the rod 5, and when the drive shaft 8 rotates reversely, the spindle rail 4 moves down together with the rod 5. In addition, the draft part and the spindle rail 4 are disposed on the left and right sides of the spinning frame,
In the figure, only one side is shown. The rod 5, the nut body 7, the drive shaft 8 and the servomotor 9 constitute driving means for driving the spindle rail 4 up and down.

As shown in FIG. 4, the spindle 10 rotatably supported on the spindle rail 4 at a predetermined pitch includes:
Chin pulley 11 fixed to driving shaft 3
And guide pulleys 13a and 13b supported by a support plate 12 fixed between the left and right spindle rails 4,
It is driven to rotate via a spindle tape 15 wound around a total of four spindles 10, two on each side, and a tension pulley 14 disposed above the spindle rail 4. The front roller 1 and the spindle 10 are rotated such that the amount of the fleece sent out from the front roller 1 (spinning amount) and the amount of the yarn wound by the bobbin B fitted to the spindle 10 are always the same. The ratio between the two is set according to the spinning conditions (number of twists). As the main motor M, a variable speed motor driven via an inverter 16 is used.

The yarn Y sent from the front roller 1
Is guided through a snell wire 17a attached to a lappet 17 and a balloon control guide (hereinafter, simply referred to as a balloon guide) 18 to a traveler 20 sliding on a ring 19a fixed to a ring rail 19. I have. Ring rail 19, balloon guide 1
The lifting device that constitutes a lifting system that raises and lowers the pallet 8 and the lappet 17 independently of the spindle rail 4 moves the ring rail 19, the balloon guide 18, and the lappet 17 through a line shaft 21.

As shown in FIGS. 3 and 5 (a) and 5 (b), the balloon guide 18 is formed in a cylindrical shape, and has a skirt portion 18 having a diameter gradually expanding downward at the lower end thereof.
a. The balloon guide 18 is formed to have a predetermined length capable of suppressing abnormal inflation of the balloon between the upper end of the balloon guide 18 and the lappet 17 and between the lower end of the balloon guide 18 and the ring rail 19 during high-speed rotation. I have. The distance between the upper end of the balloon guide 18 and the wrappet 17 (snell wire 17a) and the distance between the lower end of the balloon guide 18 and the ring 19a for suppressing abnormal inflation of the balloon are determined by the yarn count, the type of raw fiber, and the traveller 20. The appropriate length varies depending on the weight of the spindle and the spindle rotation speed.

The line shaft 21 is disposed along the longitudinal direction of the spinning frame, and at predetermined intervals, a screw gear 21a (FIG. 3).
Are fitted so as to be integrally rotatable. A set of nut bodies (ball nuts) 2 is provided on the machine frame 6 at positions corresponding to the screw gears 21 a of the line shaft 21.
2 and 23 are rotatably supported via support members (not shown). As shown in FIG. 3, a set of nut bodies 22,
Numeral 23 is arranged along the line shaft 21, and a screw gear 22 a meshing with the screw gear 21 a is integrally formed on the outer periphery of one nut body 22, and the other nut body 23 is formed.
A screw gear 23a meshing with the screw gear 22a is integrally formed on the outer periphery of the screw gear 22a. The line shaft 21 is driven by a servomotor 24, and the rotation speed and the rotation direction can be freely changed.

A plurality of pillars 25 (only one is shown in the figure) supporting the ring rail 19 via a support arm 19b (shown in FIG. 1) are supported by the machine frame so as to be movable in the vertical direction. A screw portion 25a screwed to the nut body 22 is formed on the lower side. A support rod 26 to which the lappet 17 is attached is mounted on the nut body 23.
The screw portions 27a of a plurality of pillars 27 (only one is shown in the figure) for supporting the screw are screwed. The screw portions 25a and 27a are formed so that the screw directions are opposite to each other, and the pillars 25 and 27 move in the same direction when the nut bodies 22 and 23 rotate in opposite directions. Further, the pitch between the screw portions 25a and 27a and the screw gears 22a and 22
The number of teeth 3a is set to a value at which the movement amount of the ring rail 19 and the lappet 17 has a predetermined ratio.

As shown in FIG. 3, the machine frame 6 has
A support shaft 28 is fixed horizontally below the ring rail 19 in a direction perpendicular to the machine base longitudinal direction, and two integrally formed pulleys 29 and 30 are rotatably supported on the support shaft 28. The support frame 31 is provided at predetermined intervals on the machine frame 6.
Are movably arranged in the vertical direction. A rail 32 for supporting a balloon guide as a support member is fixed to the upper end of the column 31 so as to extend in parallel with the ring rail 19 over substantially the entire length of the ring rail 19 at an intermediate position between the ring rail 19 and the lappet 17. . Balloon guides 18 are fixed to the rails 32 at predetermined intervals corresponding to the lappets 17 for each weight. The support 31 is supported via a bracket 34 by a belt 33 having a first end fixed to the pulley 29. The pulley 29 is
An end is fixed to the support rod 26 and a second end is a pulley 30.
The diameter of the support 31 is set so that it is rotated via a belt 35 wound around the support rod 26 and the column 31 is moved up and down by a predetermined amount of elevation larger than the amount of elevation of the support rod 26.
The construction of this lifting device is disclosed in Japanese Unexamined Patent Publication No. 7-258926.
This is basically the same as the device disclosed in Japanese Patent Publication No.

For convenience of illustration, FIG. 2 shows the drive shaft 8 for raising and lowering the spindle rail 4 below the line shaft 21 for raising and lowering the ring rail 19 and the like. The nut body 23 and the pillar 27 for the wrappet, the rail 32 and the support 31 for the balloon guide 18 and the like are not shown. 1, illustration of the rail 32 for the balloon guide 18, the support 31 and the pulleys 29 and 30 is omitted.

The control device 36 for controlling the main motor M and the servo motors 9 and 24 constitutes a descent start timing setting means and has a CPU 37 as a control means. The control device 36 includes a ROM 38, a RAM 39, an input device 40 constituting a descent start time setting means, an input interface 41, an output interface 42, a main motor drive circuit 43, servo motor drive circuits 44 and 45, and a counter 4
6,47.

The CPU 37 is connected to the inverter 16 via the output interface 42 and the main motor drive circuit 43. The CPU 37 is connected to a servo driver 48 for controlling the servo motor 9 via the output interface 42 and the servo motor driving circuit 44, and a servo driver 49 for controlling the servo motor 24 via the output interface 42 and the servo motor driving circuit 45. It is connected to the.

The servo motors 9 and 24 are equipped with rotary encoders 9a and 24a.
Numeral 9 performs feedback control of the servo motors 9 and 24 based on the output signal of the rotary encoder 9a. The counter 46 is connected to the rotary encoder 9a and the CPU 37, and the counter 47 is connected to the rotary encoder 24a and the CP.
Connected to U37. Up / down counters are used as the counters 46 and 47. When output pulses from the rotary encoders 9a and 24a are input during normal rotation of the servo motors 9 and 24, the count value increases. When output pulses from the rotary encoders 9a and 24a are input, the count value is reduced.

The CPU 37 operates based on predetermined program data stored in the ROM 38. The ROM 38 stores the program data and various data necessary for executing the program data. As various data, data on correspondence between spinning conditions such as spun yarn count and maximum spindle speed during spinning operation, and the number of chase times of the ring rail 19 until full, the bobbin length used and the spindle rail at the start of winding. There are data corresponding to the position 4, data corresponding to the used bobbin length and the timing to start lowering the spindle rail 4 during the winding operation, and the like. In this embodiment, the timing at which the spindle rail 4 starts to descend is represented by the accumulated yarn length, that is, the amount of spun yarn.
The start timing of the lowering of the spindle rail 4 during the winding operation is
It is determined in advance by a test run.

The RAM 39 temporarily stores data input by the input device 40, results of arithmetic processing by the CPU 37, and the like. The RAM 39 has a backup power supply (not shown).

The input device 40 is used for inputting spinning condition data such as spun yarn count, fiber type (raw material), maximum spindle speed during spinning operation, spinning length, lift length, chase length, and used bobbin length. used.

The CPU 37 is connected to the sensor S1 and the rotary encoder 24a via the input interface 41. The CPU 37 calculates the spinning amount based on the output signal from the sensor S1. The CPU 37 recognizes the moving direction of the ring rail 19, that is, whether the ring rail is moving up or down, based on the output signal of the rotary encoder 24a. The CPU 37 determines the spindle rail 4 based on the count value of the counter 46.
Is recognized, and the position of the ring rail 19 is recognized based on the count value of the counter 47.

Next, the operation of the device configured as described above will be described. FIGS. 6A to 6D are views for explaining the positional relationship between the bobbin B, the ring rail 19, the balloon guide 18, and the lappet 17 from the start of winding to the end of winding (full).

Prior to the operation of the spinning machine stand, first, spinning condition data such as spun yarn count, fiber type, maximum spindle speed during spinning operation, spinning length, lift length, chase length and bobbin length. Is input by the input device 40. The CPU 37 calculates the position of the spindle rail 4 at the start of winding based on the data stored in the ROM 38 from the spinning conditions input by the input device 40, and drives the servomotor 9 prior to the winding operation to drive the spindle motor 4. The rail 4 is moved to a predetermined position corresponding to the spinning conditions. Also, the CPU 37
Calculates the start timing of the lowering of the spindle rail 4 during the winding operation and stores it in the RAM 39.

Next, the CPU 37 controls the drive of the servo motor 24 in synchronization with the main motor M in accordance with the spinning conditions stored in the RAM 39. The driving shaft 3 is rotated by the drive of the main motor M, and the yarn Y
Is sent out, and the spindle 10 is rotated. After the rotation speed of the spindle 10 reaches the maximum rotation speed, the spindle 10 is maintained at the maximum rotation speed until it is full.

When the servo motor 24 is driven, the line shaft 21 is rotated via the gear train, and the screw gear 21 is rotated.
The nut bodies 22 and 23 are rotated via a, 22a and 23a. Then, the pillars 25 and 27 screwed to the nut bodies 22 and 23 are raised or lowered, and the ring rail 1
9 and the lappet 17 are raised and lowered synchronously. Further, the balloon guide 18 is moved up and down in synchronization with the lappet 17.
The ring rail 19 and the like are raised when the servo motor 24 rotates forward, and are lowered when the servo motor 24 rotates reversely. And the front roller 1
The yarn Y sent out from the bobbin B is wound on the bobbin B via the snell wire 17a, the balloon guide 18 and the traveler 20.

The CPU 37 recognizes the moving direction of the ring rail 19 based on the output signal of the rotary encoder 24a, and recognizes the position of the ring rail 19 based on the count value of the counter 47. Then, the CPU 37 changes the rotation direction of the servo motor 24 when the ring rail 19 moves by a distance corresponding to the amount of rise or fall of one chase input in advance, and changes the ring rail 1
The drive control of the servomotor 24 is performed so that the ascending / descending range of 9 rises by a predetermined amount. Until the spinning amount of the yarn Y reaches a predetermined set value, the servo motor 9 is not driven, and the spindle rail 4 is kept stopped at a predetermined position.

The CPU 37 calculates the spinning amount of the yarn Y based on the output pulse of the sensor S1. Then, when the spinning amount reaches a value corresponding to the spindle rail descent start timing, the CPU 37 starts controlling the servo motor 9 from that point. Then, the servo motor 9 is intermittently driven to rotate in the reverse direction, and the spindle rail 4 is intermittently lowered by an amount corresponding to one shaper step amount.

On the other hand, when the spinning amount reaches a value corresponding to the start timing of the lowering of the spindle rail, the servo motor 24 moves up and down so that the lowering amount of the lappet 17 and the ring rail 19 becomes smaller by one shaper step than the raising amount. Unlike the previous control, the descending amount and the ascending amount are controlled to be the same.

That is, as shown in FIG.
The balloon guide 18 and the ring rail 19 gradually rise until the accumulation of the spun yarn length from the start of winding reaches the predetermined value BL, but within the same range when the accumulation of the spun yarn length exceeds the predetermined value BL. Repeat raising and lowering. Even if the ring rail 19 is repeatedly moved up and down in the same range, the winding position of the yarn Y on the bobbin B is gradually increased by one shaper step as the spindle rail 4 is sequentially lowered.

FIG. 6 is a schematic diagram showing the positional relationship between the bobbin B, the wrappet 17, the balloon guide 18 and the ring 19a from the start of winding (a) to the full tube (d). In addition,
6B to 6D, illustration of the spindle rail 4, the spindle 10, and the ring rail 19 is omitted.

Most of the travel path of the yarn Y from the snell wire 17a to the traveler 20 is inside the balloon guide 18, and even if the balloon tries to expand due to the high-speed rotation of the spindle 10, it comes into contact with the balloon guide 18 to make the wire rod. Unlike the case of a ring-shaped balloon guide,
It is not swung by a large centrifugal force. Then, the excessive tension acting on the yarn Y is suppressed. Further, since the distance between the upper end of the balloon guide 18 and the lappet 17 and the distance between the lower end of the balloon guide 18 and the ring 19a are short, abnormal inflation of the balloon therebetween is suppressed. The distance between the upper end of the balloon guide 18 and the lappet 17 has a size that secures a value that allows the slab yarn to wind around the snell wire 17a when an excessive slab occurs. Further, the length L between the bottom front roller 1 and the snell wire 17a is maintained at a value that can secure a space required for the piecing operation.

In the conventional apparatus, spinning was carried out with 100% polyester raw fiber under the high-speed rotation condition of the spindle 10 at which a molten yarn was generated. However, no phenomenon that the yarn strength was reduced by the generation of the molten yarn was observed.

This embodiment has the following effects. (1) By forming the balloon guide 18 to be long, the balloon between the upper end of the balloon guide 18 and the lappet 17 and between the lower end of the balloon guide 18 and the ring rail 19 (ring 19a) when the spindle 10 rotates at high speed. The abnormal expansion of the spindle rail 4
Is lowered during winding. Therefore, even if the spindle rotation speed is dramatically increased as compared with the conventional device, the yarn tension does not become excessively large from the start of winding to the end of winding.
Can be wound in an appropriate state, and a space for the piecing operation at the time of yarn breakage can always be secured. As a result, even when spinning a synthetic fiber (for example, polyester) having a lower melting point than cotton, winding at a higher speed than before can be performed. In addition, the winding rotation speed that has reached the maximum rotation speed can be maintained until the full tube is filled, and the operation time until the full tube is filled can be reduced.

(2) Since the balloon guide 18 is formed in a cylindrical shape, the shape of the balloon guide 18 is simple, and the balloon regulating action is effectively performed. (3) A skirt portion 18a is provided below the balloon guide 18.
Is provided, the shape of the balloon is stabilized when the spindle 10 rotates at a high speed, and the resistance to the yarn Y becomes smaller than that of a simple cylinder.

(4) Since the descent start timing of the spindle rail 4 is set by the CPU 37, the descent start timing can be more appropriately adjusted depending on the thickness of the yarn and the type of the raw fiber.

(5) Since the lowering of the spindle rail 4 is started during the winding operation, the lowering of the spindle rail 4 is started as compared with the case where the lowering is started from the start of winding.
The moving distance of the spinning machine is shortened, and the size of the spinning machine stand can be suppressed.

(6) The balloon guide 18 can be raised and lowered independently of the ring rail 19. Therefore,
More appropriate lifting and lowering movement of the balloon guide 18 can be performed.

(7) Since the position of the spindle rail 4 at the start of winding can be changed, even if the length of the bobbin B to be used is changed, the spindle rail 4 is kept at the proper winding start position. The winding operation can be started from the arranged state. In addition, the combination of the change of the winding start position and the change of the descent start time enables winding in an appropriate balloon state for more yarn types.

(8) Based on the spinning conditions input by the input device 40, the CPU 37 sets an appropriate winding start position and lowering start timing of the spindle rail 4. Therefore, it is easy to set an appropriate winding start position and a lowering start timing of the spindle rail 4.

(9) A driving means for raising and lowering the spindle rail 4 is a screw gear meshed with a driving shaft 8 driven by a motor (servo motor 9) and a screw gear 8a provided so as to be integrally rotatable with the driving shaft 8. A nut body 7 having an outer periphery 7a and a rod 5 having a screw portion 5a screwed to the nut body 7 are completely independent of the ring rail 19, the balloon guide 18, and the lifting / lowering system of the lappet 17. . Therefore, it is easy to change the start timing of the lowering of the spindle rail 4 and the winding start position.

The embodiment is not limited to the above, and may be embodied as follows, for example. The shape of the balloon guide 18 is not limited to a cylindrical shape. For example, as shown in FIG. 8, a band-shaped member may be processed into a spiral shape. In this case, the sliding resistance when the yarn Y moves while being pressed against the surface of the balloon guide 18 by the centrifugal force is smaller than when the wire is formed in a spiral shape. The same length (height) as compared to the cylindrical balloon guide 18
In this case, the weight is reduced, and the energy consumption for raising and lowering the balloon guide 18 is reduced.

The skirt portion 18a at the lower end of the cylindrical balloon guide 18 may be omitted, or a slit may be formed in the balloon guide 18 to reduce the weight. The slit needs to be formed so that the resistance when the yarn Y slides on the inner surface of the balloon guide 18 while rotating is small, and the one parallel to the longitudinal direction of the balloon guide 18 is not preferable, and the one extending obliquely, that is, Spiral is preferred. The direction of the helix is reversed between the S twist and the Z twist.

The start timing of the lowering of the spindle rail 4 is not limited to the time during the winding operation, but may be from the start of the winding operation. In this case, as shown in FIGS. 9A to 9D, the bobbin B continues to descend to the full tube together with the spindle 10. In the case of this configuration, the length of the lower end side of the balloon guide 18 is
By extending to the ring rail side to the lowest position that does not hinder the piecing operation (such as threading to the traveler 20), not only the spinning conditions but also the lowering conditions of the spindle rail 4 can be made the same, and the control is simple. become. In addition, FIG.
(D) corresponds to FIGS. 6 (a) to 6 (d).

Instead of expressing the start time of the lowering of the spindle rail 4 by the accumulation of the spun yarn length, it may be represented by the operation time of the spinning machine from the start of winding, or by the position of the ring rail 19 or the wrappet 17. . When expressed in operation time, CP
U37 starts the lowering of the spindle rail 4 when the operation time from the start of winding reaches a predetermined time. When the position is indicated by the ring rail 19 or the lappet 17, the counter 47 indicates that the ring rail 19 has reached a predetermined height.
When the confirmation is made based on the count value of the above, the lowering of the spindle rail 4 is started.

From the maximum spindle rotation speed and the yarn type during the winding operation input by the input device 40, C
In place of the configuration in which the PU 37 calculates the lowering start time and the winding start position of the spindle rail 4, the input device 4
0 may be input directly. In this case, the input device 40 functions as a descent start timing setting unit and a winding start position setting unit, and stores data indicating the relationship between the spinning conditions and the descent start timing and the winding start position of the spindle rail 4 in the ROM 38. No need. It is easy to set the descent start time by setting the winding amount.

The lowering start timing of the spindle rail 4 and the range of raising and lowering of the ring rail 19 at the start of lowering can be changed, and the winding start position may be the same. Also in this case, it is possible to wind up various kinds of yarn in a proper state and at a high speed with one spinning machine as compared with the conventional apparatus.

The driving force for raising and lowering the balloon guide 18 may be obtained from the ring rail 19 instead of being obtained from the support rod 26 of the lappet 17. In this case, the first end of the belt 35 is fixed to the ring rail 19. In addition, the diameters of the pulleys 29 and 30 are set such that the amount by which the balloon guide 18 moves up and down once is smaller than the chase length of the ring rail 19.

The ring rail 19, the lappet 17 and the balloon guide 18 can be driven completely independently. For example, a line shaft driven by another motor is provided for each of the ring rail 19, the lappet 17, and the balloon guide 18, and a lifting device including a pillar having a nut body and a screw portion is provided as in the above-described embodiment. In this case, it is easy to make the ascending and descending range of the ring rail 19 and the ascending and descending range of the balloon guide 18 and the lappet 17 more appropriate in accordance with the spinning conditions.

○ Ring rail 19, balloon guide 1
The lifting device such as 8 is composed of the line shaft 21 and the nut 2
Not limited to the configuration using 2, 23, etc., a known lifting device using a heart cam may be used.

Instead of the configuration in which the spindle 10 is driven by the spindle tape 15 wound around the chin pulley 11, a so-called single spindle drive type configuration in which a spindle drive motor is provided for each spindle may be used. In this case, it is easy to increase the speed of the spindle 10.

The present invention is not limited to the ring spinning machine but may be applied to a ring twisting machine. Inventions (technical ideas) other than those described in the claims that can be grasped from the embodiment will be described below together with their effects.

(1) In the first aspect of the present invention,
The driving means is driven to lower the spindle rail from the start of the winding operation. In this case, the length of the balloon control guide can be made longer, and there is no need to change the start timing of the descending of the spindle rail according to the spinning conditions, so that the structure and control are simplified.

(2) In the second aspect of the present invention,
The descent start timing setting means is configured to be able to set the descent start timing by the winding amount. In this case, the setting becomes easy even when the worker directly sets the descent start time.

(3) For each weight of a spinning machine such as a ring spinning machine, when the spindle rotates at a high speed, the balloon is moved between the upper end of the balloon control guide and the lappet and between the lower end of the balloon control guide and the ring rail. During the winding operation, a balloon control guide formed to a predetermined length capable of suppressing abnormal expansion is provided, and a ring rail, a balloon control guide and a spindle rail configured to be able to ascend and descend independently of the elevating system of the lappet,
A winding method for a spinning machine such as a ring spinning machine in which a spindle rail is moved down and wound so as to secure an interval between the lappet and a front roller so as not to hinder the splicing operation. In this case, even if the spindle rotation speed is dramatically increased as compared with the conventional device, the yarn can be wound in an appropriate state from the start of winding to the end of winding, and the yarn joining operation at the time of yarn breakage can be performed. Space can always be secured.

[0065]

As described in detail above, claims 1 to 4 are provided.
According to the invention described in (1), even if the spindle rotation speed is dramatically increased as compared with the conventional device, the yarn can be wound in an appropriate state from the start of winding to the end of winding, and when the yarn breaks, The space for the piecing operation can always be secured.

According to the second aspect of the present invention, it is easy to set an appropriate descent start time corresponding to the yarn type and the maximum rotation speed of the spindle. According to the third aspect of the present invention, the structure of the balloon control guide is simple, and the balloon regulating operation is effectively performed.

According to the fourth aspect of the invention, it is easy to make the range of raising and lowering the ring rail and the range of raising and lowering the balloon control guide more appropriate in accordance with the spinning conditions.

[Brief description of the drawings]

FIG. 1 is a partial schematic front view of a spinning machine according to an embodiment.

FIG. 2 is a schematic configuration diagram similarly.

FIG. 3 is a partial schematic perspective view of a lifting device.

FIG. 4 is a partial schematic perspective view of a spindle drive unit.

5A is a plan view of a balloon guide, and FIG. 5B is a front view of the same.

FIG. 6 is an explanatory view showing an operation.

FIG. 7 is an explanatory view showing a vertically moving state of a ring rail, a balloon guide, and the like.

FIG. 8 is a cross-sectional view of a balloon guide according to another embodiment.

FIG. 9 is an explanatory view showing the operation of another embodiment.

FIG. 10 is a schematic view showing a winding state of a conventional device.

11A is an explanatory diagram at the start of winding when a cylindrical balloon ring is used, and FIG. 11B is an explanatory diagram at the end of winding.

12A is an explanatory diagram at the start of winding when a cylindrical balloon ring is used, and FIG. 12B is an explanatory diagram at the end of winding.

[Explanation of symbols]

Reference numeral 4 denotes a spindle rail, 5 denotes a rod constituting a driving means of the spindle rail, 7 denotes a nut body, 8 denotes a drive shaft, 9 denotes a servomotor, 10 denotes a spindle,
Reference numeral 17 denotes a lappet, 18 denotes a balloon guide, 19 denotes a ring rail, 32 denotes a rail as a support member, and 37 denotes a descent start time setting means and C as a control means.
PU.

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor ▲ Hama ▼ Yoshihiro 1-1-1 Oe, Otsu-shi, Shiga Toray Industries, Inc. Seta Plant (72) Inventor Nori Fujii 2-Chome Toyota-cho, Kariya-shi, Aichi Prefecture No. 1 Inside Toyota Industries Corporation (72) Inventor Tsutomu Nakano 2-1-1 Toyota-cho, Kariya City, Aichi Prefecture Inside Toyota Motor Corporation (72) Inventor Motohiro Kawai 2-Chome Toyotamachi, Kariya City, Aichi Prefecture No. 1 F-term in Toyota Industries Corporation (reference) 4L056 AA02 BD46 BD92 DA32 DA42 EB12 EB18

Claims (4)

[Claims] 1. A spindle rail is configured to be able to move up and down independently of a ring rail, a balloon control guide and a lifting / lowering system of a lappet, and drive means for driving the spindle rail up and down is provided. A weight is provided at a predetermined interval on a support member disposed in the longitudinal direction at an intermediate position between the balloon control guide and the lappet, and the balloon control guide is provided between the upper end of the balloon control guide and the lappet when the spindle rotates at a high speed and the balloon. A spinning machine such as a ring spinning machine having a predetermined length capable of suppressing abnormal balloon inflation between the lower end of the control guide and the ring rail. 2. A descent start time setting means for setting a descent start time of a spindle rail driven by the drive means, and controlling the drive means so that the spindle rail descends at a predetermined descent speed from the descent start time. 2. A spinning machine such as a ring spinning machine according to claim 1, further comprising control means for performing the spinning. 3. The spinning machine according to claim 1, wherein the balloon control guide is formed in a cylindrical shape. 4. The balloon control guide is configured to be able to move up and down independently of a ring rail.
A spinning machine such as a ring spinning machine according to any one of claims 1 to 3.