JP2733792B2 - Yarn winding machine - Google Patents

Description

Description: BACKGROUND OF THE INVENTION The present invention relates to a yarn winding machine in which a plurality of bobbins are mounted on a bobbin holder and a yarn is wound on the bobbin. More specifically, the present invention relates to a yarn winding machine in which a bobbin is forgotten to be mounted on a bobbin holder or is incompletely mounted to prevent an accident caused by starting.

[Conventional technology]

JP-A-51-26344 discloses that the presence or absence of a take-up bobbin is detected by detecting the amount of movement of a rod-shaped member that operates a member that chucks the inside of the bobbin of a bobbin holder.

However, in the above-described conventional apparatus, the presence or absence of the take-up bobbin is detected based on the amount of movement of the operation member of the chuck member that grips the bobbin. If the presence or absence of the bobbin is not properly reflected, such as in the position, a malfunction occurs.

However, in recent years, the winding machine tends to be multi-end (mounting a large number of bobbins on one bobbin holder) and increasing the speed.

[Problems to be solved by the invention]

However, in recent years, the number of winding machines has increased (8 to 16
p) In the conventional apparatus, since the number of bobbins to be mounted on the bobbin holder is large, it is not possible to detect even if the moving amount of the chuck member is forgotten about one variation due to the variation of the bobbin inner diameter. Was.

Therefore, there is a risk that the bobbin may be forgotten to be mounted or the chuck member of the bobbin holder may be damaged by centrifugal force and the chuck member may be scattered.

[Object of the invention]

Accordingly, an object of the present invention is to improve the safety by reliably detecting the presence or absence of the number of all bobbins even in a multi-end bobbin holder.

[Means for solving the problem]

In the present invention, in a yarn winding machine having a bobbin holder equipped with a chuck mechanism for gripping a plurality of bobbins, a moving member that moves along the axial direction of the bobbin holder; Detecting means for detecting the presence or absence of the bobbin by engaging with the bobbin, and moving the detecting means over substantially the entire length of the bobbin holder in the axial direction of the bobbin holder, detecting a signal generated from the detecting means, The above object is achieved by a yarn winding machine comprising control means for detecting the presence or absence of a bobbin.

In this case, the moving member having the detecting means fixed thereto is a bobbin pushing device, and the pushing plate of the pushing device is a yarn winding machine capable of being retracted with respect to the bobbin. And bobbin extrusion device
The winding machine for the yarn is compact and preferable.

Further, the present invention provides a yarn winding machine having a bobbin holder having a chuck mechanism for gripping a plurality of bobbins, wherein the supporting member is movable between a detection position near the bobbin holder and a standby position away from the bobbin holder. Detecting means for engaging with the bobbin and detecting the presence or absence of the bobbin is provided on the support member corresponding to each of the plurality of bobbins, and the support member is moved between a detection position and a standby position. The above object is achieved by a yarn winding machine characterized in that a moving means to be moved is connected to the support member.

[Action]

In the present invention, a detection unit is provided which engages outside of the plurality of bobbins mounted on the bobbin holder and directly detects the presence or absence thereof, and moves the detection unit in the axial direction of the bobbin holder over substantially the entire length of the bobbin holder, or Since the detection means is provided for each of the plurality of bobbins and is moved between the detection position and the standby position, the presence or absence of the bobbin on the bobbin holder can be reliably detected regardless of the operation state of the operation member.

Further, in the present invention, the presence or absence of the mounting of a plurality of bobbins can be directly detected, so that the number of bobbins in the multi-end winding machine is one.
Even when this is not mounted, it can be detected reliably.

Further, in the present invention, the detecting means is engaged with the bobbin from outside the bobbin to detect the presence or absence of the bobbin.
The adjustment can be easily performed as compared with the case where the amount of movement of the chuck operating member in the bobbin holder is detected as in the mounting described in JP-A-26344.

〔Example〕

FIG. 1 is a front view of an automatic switching winder incorporating the device of the first embodiment of the present invention, FIG. 2 is a cross-sectional view of FIG.
FIG. 4 shows a signal diagram of the limit switch.

In FIG. 1, the machine casing 1 has two bobbin holders 7,
A turret table 6 having a rotatable projection 8 is incorporated rotatably via a bearing 21 (FIG. 2).

A plurality (eight in the illustrated embodiment) of paper tubes 9, 10 are mounted on the bobbin holders 7, 8. In FIG. 2, a plurality of paper tubes are represented as 9A to 9H.

A slide block 2 is provided on a machine frame 1 so as to be vertically movable, and a contact roller 5 is rotatably supported on a frame 3 protruding from the slide block 2. The traverse device 4 rolls up the yarn as a package 22 on a bobbin 10 that rotates in contact with the traverse contact roller 5.

At the bottom of the machine frame 1 are two channel-shaped bases 14, 1
4 'is fixed. A plate 11 for discharging the full bobbin 8 is disposed below the bobbin holder 7 located at the standby position, and the piston rod of the fluid pressure cylinder 12 and the guide bar 3 are attached to the plate 11, as shown in FIG. The bobbin holder 7 can move in a direction perpendicular to the plane of the paper and in parallel with the bobbin holder 7.

As shown in FIG. 2, a fluid pressure cylinder 15 is fixed to the machine frame 1 via a plate 16 near the root side of the bobbin holder 7 on the standby side. The cylinder 15 is movable in the axial direction of the bobbin holder 7, and the piston rod of the cylinder 15
15a is provided with a rotation stop by a known method so as not to rotate.

Limit switches 19 and 20 are respectively provided on the base 14 near the root and the tip of the bobbin holder 7.

A kicker 17 having a triangular tip 17a is fixed to the piston rod 15a of the fluid pressure cylinder 15 to operate the limit switches 19 and 20. A limit switch 18 is further fixed to the kicker 17. With the above configuration, the limit switch 18 is operated by the operation of the fluid pressure cylinder 15.
Of the bobbin holder 7 can be moved from the base to beyond the tip.

Immediately before or immediately after the kicker 17 is moved to the left by the cylinder 15 and the presence or absence of the root bobbin 9H is checked by the limit switch 18, the limit switch 19 is operated by the tip 17a of the kicker 17 near the root of the bobbin holder 7. On the other hand, the limit switch 20 is actuated by the tip 17a of the kicker 17 immediately before or immediately after the limit switch 18 is disengaged from the bobbin 9A at the tip near the tip of the bobbin holder 7 by moving the kicker 17 to the left.

Next, the operation of the present embodiment will be described. The operation of the present embodiment described below is controlled by control means (not shown).

When the package 22 wound around the bobbin 10 mounted on the bobbin holder 8 reaches a predetermined amount, the piston rod 15a of the cylinder 15 advances leftward, the limit switch 19 is turned on by the tip 17a of the kicker 17, and a one-pulse signal is generated. When issued (FIG. 3), timer A (not shown) starts counting. Next, the limit switch 18 is connected to the root bobbin 9H.
When the limit switch 18 reaches the tip of the bobbin holder 7, the limit switch 18 turns off and the timer B (not shown) starts counting.
Time limit switch 18 has been turned on (not shown) T _B is counted. Then limit switch 20
Is turned on, one pulse is transmitted, timer A is turned off,
Kicker 17 is time T _A required to move between the limit switches 19 and 20 is counted. Next, the cylinder 15 is returned to the original position.

If there is a gap between each bobbin or a chamfered portion at the end of the bobbin and the limit switch 18 is turned off or is repeatedly turned on and off, the limit switch 19 is turned on and then the limit switch 20 is turned on. Until the limit switch 18 is turned on, the on time T _{B1 to} T _B8 is added every time the limit switch 18 is turned on to obtain ΔT _Bi (4th
Figure).

Next, the ratio I between the time T _A and the time T _B or ΔT _Bi is determined, and if the ratio I is within a predetermined value, it is determined that the bobbin is completely mounted.

Next, the bobbin holder 7 is activated, and when a predetermined number of rotations is reached, the turret table 6 is rotated, the thread is switched from the bobbin holder 8 to the bobbin holder 7, and the bobbin holder 8 is braked when it comes to the reserve side. The package 22 is pushed out of the bobbin holder 8. Next, an empty bobbin is mounted on the bobbin holder 8. If the ratio I is out of the predetermined value, the bobbin holder 7 is not activated, and a mounting command is issued.

In the above embodiment, the moving means of the detecting means is provided separately from the bobbin extruder, but the extruding apparatus may be used as the moving means of the detecting means as shown in FIG. In this case, the bobbin pushing plate 30 of the pushing device can be retracted with respect to the bobbin. That is, pin the push plate 30
31 supports the knocker 17 so as to be swingable, and an electromagnetic solenoid, a fluid pressure cylinder 32 is provided between the plate 30 and the knocker 17.
And the like.

To detect the presence or absence of the bobbin, the push plate 30 is retracted by an electromagnetic solenoid, a fluid pressure cylinder 32, etc. (solid line in FIG. 5), and is moved in the axial direction of the bobbin holder 7 as a moving means of the detecting means (limit switch 18). .

On the other hand, when the bobbins 9A to 9H are pushed out of the bobbin holder 7, the push plate 30 is moved by the cylinder 32 or the like to the state shown by the broken line in FIG. Extrude ~ 9H.

Still another embodiment of the present invention will be described with reference to FIGS.

FIG. 6 is a front view of an automatic switching winder incorporating the device of the third embodiment of the present invention, and FIG. 7 is a view taken in the direction of arrow B in FIG. FIG. 8 is a front view in which the detection means is set to a detection position.

A turret table 6 is rotatably incorporated into the machine frame 1 via a bearing (not shown). The turret table 6 has two bobbin holders 7 and 8 rotatably protruding therefrom.

A plurality of bobbins 9 and 10 are chucked on the bobbin holders 7 and 8, and a package 22 is wound on the bobbin 10. A slide block 2 is movably provided on a machine frame 1, a contact roller 5 is rotatably supported on a frame 3 protruding from the slide block 2, and a yarn is wound by a traverse device 4 protruding from the slide block 2. shake.

The machine casing 1 is fixed to two channel bases 14, 14 '. A fluid pressure cylinder 12 that is movable in parallel with the bobbin holder 7 is attached to a support portion of the bobbin holder 7 of the machine frame 1. A plate 11 for discharging the bobbin 9 is attached to the tip of the piston rod 12 of the hydraulic cylinder 12,
The guide bar 3 parallel to the cylinder 12 is fixed to 11.

As shown in FIG. 8, bearings 29a and 29b fixed to the channel base 14 'are provided near the bobbin holder 7 on the retaining side.
A shaft 26 is supported so as to be swingable, and a swing cylinder 25 is connected to one end of the shaft 26.

An arm 27 is fixed to the shaft 26, and a bobbin is
Limit switches 18a at positions corresponding to 9A to 9H respectively
~ 18h are provided. The limit switches 18a to 18h are connected in series.

A limit switch 20 is provided at a position corresponding to the base 7a of the bobbin holder 7 of the arm 27, and detects that the arm 27 is located at a detection position near the bobbin holder 7.

When the arm 27 swings as shown in FIG. 8 and the limit switch 20 is engaged with the base 7a, the limit switch
Signals when all of 18a-18b engage paper tubes 9A-9H.

 Hereinafter, the operation of the present embodiment will be described.

When the package 22 wound on the bobbin 10 mounted on the bobbin holder 8 reaches a predetermined amount, the swing cylinder 25 operates to move the arm 27 from the standby position shown in FIG. 6 to the detection position shown in FIG. Then, the limit switch 20 and the root 7a of the bobbin holder 7 are engaged. When all the bobbins 9A to 9H are mounted, the limit switches 18a to 18h engage with the bobbins 9A to 9H. Therefore, limit switches 18a-1
8h and the output of the limit switch 20 were confirmed, and when there were outputs of the limit switch 20 and the limit switches 18a to 18h, it was confirmed that all the bobbins 9A to 9H were mounted.

Next, the bobbin holder 7 is activated, and when a predetermined number of rotations is reached, the turret table 6 is rotated, the thread is switched from the bobbin holder 8 to the bobbin holder 7, and the bobbin holder 8 is braked when the bobbin holder 8 comes to the reserve side. 22 is pushed out, and an empty bobbin is mounted on the bobbin holder 8.

If there is no output from any of the limit switches 18a to 18h (if it is not turned on), the bobbin holder 7 is not activated, and a bobbin mounting command is issued.

In each of the above embodiments, the presence or absence of the bobbin is checked immediately before the standby bobbin holder is activated. However, the presence or absence of the bobbin may be checked immediately after the empty bobbin is mounted and chucked.

Although a limit switch is used as the detecting means in each of the above embodiments, a photoelectric detector or other known detecting means may be used.

In the above embodiment, the automatic switching winder has been described, but a manual winder may be used.

〔The invention's effect〕

According to the present invention, in the multi-end winding machine, the presence or absence of each of the plurality of bobbins is directly detected, so that the chuck member of the bobbin holder is damaged or scattered by centrifugal force due to forgetting to install the bobbin. Can be prevented and safety is improved.

[Brief description of the drawings]

FIG. 1 is a front view of an automatic switching winder incorporating the device of the present invention, FIG. 2 is a sectional view of FIG. 1A, FIG. 3 and FIG. FIG. 5 is a sectional view of another embodiment, FIG. 6 is a front view of an automatic switching winder incorporating the device of the third embodiment of the present invention, and FIG. 6 is a diagram in which the arrangement position of the bobbin is added to the upper part of FIG. 6, and FIG. 7, 8 ... bobbin holder, 9, 10 ... paper tube, 15 ... fluid pressure cylinder, 18 ... limit switch.

Claims (3)

(57) [Claims] 1. A yarn winding machine having a bobbin holder having a chuck mechanism for gripping a plurality of bobbins,
A moving member that moves along the axial direction of the bobbin holder;
Detecting means provided on the moving member to detect the presence or absence of the bobbin by engaging with the bobbin; and moving the detecting means over substantially the entire length of the bobbin holder in the axial direction of the bobbin holder, A yarn winding machine comprising control means for detecting a generated signal to detect the presence or absence of a bobbin. 2. The yarn according to claim 1, wherein the moving member to which the detecting means is fixed is a bobbin pushing device, and a pushing plate of the pushing device is retractable with respect to the bobbin. Strip winder. 3. A yarn winding machine having a bobbin holder having a chuck mechanism for gripping a plurality of bobbins,
A support member is provided so as to be movable between a detection position near the bobbin holder and a standby position away from the bobbin holder, and detection means for engaging with the bobbin and detecting the presence or absence of the bobbin is provided for each of the plurality of bobbins. A yarn winding machine, wherein a moving means disposed on a support member and moving the support member between a detection position and a standby position is connected to the support member.