JP2592631Y2 - Bobbin holder for multi-thread winding machine - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bobbin holder of a multi-thread winding machine which winds a plurality of yarns simultaneously on a plurality of bobbins which are held on the same axis. The present invention relates to a bobbin holder that holds bobbins at predetermined intervals and positively grips a bobbin start end on a bobbin and releases the bobbin by a thread gripping means provided at a holding interval portion of each bobbin.

[0002]

2. Description of the Related Art In a multi-winding winding machine for simultaneously winding a plurality of yarns on a plurality of bobbins which are held in series on a single long holder, the starting end of the winding yarn on each bobbin is determined. one which fit held in the slit provided in the circumferential direction at one end of the bobbin (eg JP Tokuoyake flat 3-39949), and held at a predetermined distance bobbin in the length direction of the holder, the holding interval of the bobbins That catches the yarn by means of a separate yarn gripping means provided in the vehicle (for example, Japanese Utility Model Publication No. 60-26043)
There Ru disclosed Tei.

[0003] By the way, with respect to the winding of a yarn which is extremely vulnerable to bending as compared with the tensile strength, such as carbon fiber or glass fiber, the latter bobbin holder is provided on the latter bobbin holder rather than the former using the bobbin slit. The use of the thread holding means is advantageous in that the thread is not damaged.

[0004]

The thread gripping means provided on the conventional bobbin holder has a structure in which a claw for preventing the thread from coming out of the groove is attached to a V-shaped groove provided in the circumferential direction of the bobbin. Or a configuration in which the winding start end is bitten into the V-shaped opening between the ring-shaped gripping member elastically held by the spring and the holding surface of the holder by utilizing the winding tension of the yarn. There was a concern that the yarn end could not be held properly.

Further, in the case where the yarn is bitten into the V-shaped opening of the yarn gripping member elastically held by the spring, the starting end of the winding yarn is strongly pulled at the time of doffing, and the bunch winding portion formed at the end of the bobbin is unexpectedly solved. There was a problem that the yarn was wound or the yarn was broken.

[0006]

SUMMARY OF THE INVENTION The present invention overcomes the above-mentioned problems of the conventional multi-winding winder, makes the spacing between a plurality of bobbins held on a holder appropriate, and enables the winding by the yarn gripping means. aims at to perform actively the start of the grasping and release operation, mounted on a support spindle cantilevered, serially inserted through a plurality of bobbins to exist a predetermined holding intervals portion on its outer periphery A bobbin holder for holding, at a position adjacent to the holder distal end of the holding interval portion of each bobbin, providing a locking member that can protrude and retract in a radial direction from the outer surface of the holder,
At the position adjacent to the holder base end of the holding interval portion of each bobbin, it comes into contact with the inner diameter surface of the inserted preceding bobbin, detects the presence or absence of the preceding bobbin, and when the preceding bobbin exists, the locking member is later moved. A bobbin detecting member is provided that protrudes radially from the outer surface of the holder so as to be able to engage with the insertion end surface of the bobbin to be inserted, and when the preceding bobbin is absent, the locking member is immersed radially inward from the outer surface of the holder. Bobbin of multi-filament winder
In the holder, the holding interval of each bobbin is
Actively move in the axial direction of the spindle, winding each bobbin
When a ring-shaped yarn gripping member that holds the yarn
The locking member and the bobbin detecting member respectively
Centered on a fulcrum provided radially inside the holder from the member
Of the bobbin holder that can swing in the radial direction of the holder
Can alternately emerge from the outer surface of the holder via the swinging member along the direction
And the swinging member is connected to the swinging member and a bobbin holder.
A spring interposed between the inner surface of the
And the at least one of the locking member and the bobbin detecting member is formed separately from the rocking member, and is rocked via a spring. It is characterized by being connected to a moving member.

[0007]

The operation of the bobbin holder according to the present invention will now be described with reference to the drawings.

At the time of taking out the full bobbin from the bobbin holders 4 and 4 and performing the doffing operation for inserting the empty bobbin, the thread gripping members 5 and 5 'constituting the thread gripping means 7 and 7'.
Is moved in the axial direction with respect to the bobbin holders 4 and 4 to positively perform the releasing operation of the winding start end to the full bobbin and the holding of the winding start end to the empty bobbin. When the two bobbins W ₁ and W ₂ are newly mounted on the holders 4 and 4, the bobbin detecting member 22 has no bobbin at its upper part as shown by a solid line in FIG. It is in a state of being protruded by the tilting of the swing member 14 due to the urging and the urging of the spring 24. When newly inserted bobbin W ₁ is thus, first, the inner surface of the bobbin W _1, as shown in phantom in FIG. 2 (b), the bobbin detection member 22, against the bias of the spring 24 depressed Te, the swing member 14 is rotated in the clockwise direction by the moment difference of the fulcrum 16 about by the urging of the spring 24 and 27, during the insertion of the bobbin W ₁ has the locking member 19 of the left 14b side bobbin W they become a state of being restrained to the _first inner surface, the swinging member 14 as the tail end of the bobbin W ₁ is shown in FIG. 2 (b) if the result exceeds the locking member 19 is spring 2
7 is projected the locking member 19 of the left 14b side is further rotated in the clockwise direction by the biasing force of the large-made spring 24 of the spring load than the bobbin W ₁ is stopped is inserted to a predetermined position.

[0009] bobbin W ₂ to be inserted so as to follow the operation described above, engages the locking member 19 the insertion tip is projected a predetermined distance between the tail end of the preceding bobbin W ₁ from being restrained Is held.

[0010] Incidentally, when getting the bobbins W _1, W ₂ from the holder 4, 4, and releases the chucking of the bobbins, the subsequent bobbin W ₂ Sonomaゝretrieved may be, prior bobbin W ₁
When the rear end of the bobbin pushes down the inclined surface at the front end of the locking member 19, the bobbin can be taken out from the state shown by the imaginary line to the state shown by the solid line in FIG.

The above is the operation mode in the first embodiment shown in FIGS. 2A and 2B. In the second embodiment shown in FIGS. 3A and 3B, the bobbin detecting member in the first embodiment is used. 2
2 is brought into direct contact with the swing member 14 without the intervention of a spring, and the locking member 19 is formed separately from the swing member 14;
This is connected to the swinging member 14 with a required allowance by a long hole 28 and a protruding pin 29, and the locking member 19 is urged upward by a coil spring 30. There is almost no difference from the first embodiment.

In the third embodiment shown in FIGS. 4 (a) and 4 (b), an oscillating fulcrum is provided at the intermediate portion of the oscillating member 14 by a fulcrum pin 31 and a concave portion 32 which engages with the fulcrum pin 31. Although a spring 33 for urging the swing member 14 upward is provided, the operation in this case is almost the same as that of the first embodiment.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the bobbin holder according to the present invention is applied to a turret type winder will be described with reference to FIGS.

Reference numeral 1 denotes a known turret plate rotatably supported by several journals (not shown) whose outer peripheral edge is pivotally mounted on a frame. 4 shows a spindle rotatably supported in a state.

The spindle 2 is provided with two holders 4 and 4 for holding the bobbins W ₁ and W ₂ on the outer periphery thereof at a predetermined interval t, respectively, and the holding interval t and the base-side bobbin holder 4 of both bobbin holders are provided. In the interval t 'formed on the base end side, an annular thread gripping member 5, which can rotate integrally with the spindle 2 but can move in the axial direction by means such as a parallel key,
5 'is inserted, and the outer end surfaces of the thread gripping members 5, 5' and the end surfaces 6, 6 'of the bobbin holders 4, 4 adjacent to the end surfaces.
As a result, the yarn gripping means 7, 7 'for holding the yarn under pressure are formed. The end faces 6, 6 'of the bobbin holders 4, 4 are provided with friction members 8, 8' made of rubber or the like.

The thread gripping members 5, 5 'are connected to each other by a rod 9 with a suitable allowance in the axial direction, and are respectively shown by arrows in FIG. It is urged and constantly pressed against the gripping end faces 6, 6 'of the holders 4, 4, and a rotatable sliding ring 12 is connected to the thread gripping member 5 on the spindle proximal side via a bearing 11. After the rod 13 attached to the sliding ring 12 is passed through the turret 1, the rod 13 is opposed to the springs 10 and 10 ′ by an air cylinder mechanism (not shown) or a cam mechanism linked to positive rotation of the turret 1. Is moved in the direction indicated by the arrow Y in FIG.
′ Are simultaneously separated from the grip end surfaces 6, 6 ′ of the bobbin holders 4, 4, so that the yarn drops into the grip gap at the time of yarn switching or the winding yarn start end is released at the time of doffing.

Next, 14 is positioned in the interval t of the bobbin W _1, W _2, the swinging member which is a main part of the thread gripping member 5 'and the interval holding mechanism 15 inserted in the gap between the spindle 2 Then, as shown in FIG. 2A, the lower protrusion 1 is slightly shifted rightward from the center.
6 is fitted into a fulcrum hole 18 of a holding sleeve 17 fitted to the spindle 2 and is supported so as to be swingable, and a locking member 19 projecting above the left end 14b is provided in a radial direction of a thick cylindrical holder base 20. as capable of haunt from hole 21 bored in, and so as to disengage the insertion end of the bobbin W ₂ to be inserted following the bobbin W ₁ that is inserted into the base end side bobbin holder 4 of the spindle 2.

Reference numeral 22 denotes a plunger type bobbin detecting member inserted into a sliding hole 23 formed in the holder base 20 of the base end side bobbin holder 4 in a radial direction, and the top has a substantially conical shape with a spherical tip at the top. was the right end 14a side of the swing member 14 via the coil spring 24 when retracted radially inwardly against the inner diameter surface of the prior bobbin W ₁ held on the base side bobbin holder 4 and against the pushing down so.

Reference numeral 27 denotes a state in which the locking member 19 is constantly
It is attached in the direction to be immersed radially inward from the outer surface of the holder 4.
The coil spring 2
7 Ru with a much smaller spring load than the coil spring 24. The spring 27 is connected to the swing member 1.
4 and the inner surface of the bobbin holder 4, specifically, the holder base 2
And the inner end surface of the screw plug 26 screwed into the screw hole 25 provided in
A locking member which is interposed between the moving member 14 and the left end portion 14b;
19 is always immersed radially inward from the outer surface of the holder.
Biased in a direction, the bobbin W as shown by a solid line in FIG. 2 (b)
₁ is inserted into the bobbin detecting member 22 when it is inserted.
And counterclockwise against the spring 27,
The locking member 19 provided on the swinging member 14 is
Projecting from the outer surface.

Further, as a locking member 19 is inclined faces its tip back, leading when withdrawing the bobbin W _1, the prior bobbin W ₁ is said against the projecting energizing force of the locking member 19 by the coil spring 24 The locking member 19 can be easily passed over.

In the embodiment shown in FIGS. 1 and 2,
The locking member 19 is integrally formed above the left end 14 b of the swinging member 14, and the holder detecting member 22 is formed separately from the swinging member 14, and this is connected to the swinging member 14 via a coil spring 24. Although the one that acts on the right end 14a side is shown, the configuration of the spacing mechanism 15 is not limited to this, and the locking member 19 is formed separately as shown in FIGS. This is connected above the left end 14b side of the swinging member 14 with a required play allowance by a long hole 28 and a protruding pin 29, and is urged upward by a coil spring 30. Although the swinging member 14 is separate from the swinging member 14, the swinging member 14 is operated integrally without interposing a coil spring between the swinging member 14 and the bobbin detecting member 22. It may be molded integrally with 14.

[0022]

The present invention is not limited to the one in which the _two bobbins W ₁ and W ₂ are inserted and held in the spindle 2 as shown in each of the above embodiments, and three or more bobbins are sequentially arranged in a predetermined manner. It is obvious that the present invention can be applied to the case where the distance is maintained.

[0024]

When due to the invention of claim 1 of the present patent application, according to the invention] is provided with a thread gripping member for opening and closing positively to a plurality of bobbin holding interval unit that respectively inserted in the holder, the thread gripping member Adjacent to the bobbin insertion direction, at the front and rear positions, abuts against the inner surface of the previously inserted bobbin, a bobbin detecting member for detecting the presence or absence thereof, and in response to the movement of the bobbin detecting member The locking members that protrude and retract from the outer surface of the holder
Alternately from the outer surface of the holder via a pivoting member
And the swing member is connected to the swing member so that the swing member
Normally a spring which is interposed between the bobbin holder inner surface
When the locking member is inserted radially inward from the outer surface of the holder.
The bobbin can be easily
The detecting member and the locking member are alternately protruded and retracted from the outer surface of the holder.
When the bobbin is attached or detached, the bobbins are held on the holder at predetermined intervals only by inserting the plurality of bobbins into the holder in order. The start end is positively gripped and released by the yarn gripping portion by the opening and closing operation of the yarn gripping member in the interval portion, so that the empty bobbin can be mounted on the holder and the full bobbin can be easily and quickly taken out. smoothly it can be performed, especially when applied to a turret type winding yarn machine to accurately switching operation of the yarn to an empty bobbin from full bobbin, and Ru can perform doffing operation efficiently. Claims of the present application
According to the invention described in claim 2, the effect of claim 1 is obtained.
At least one of the locking member and the bobbin detecting member.
One of the two components is separate from the swinging member, and
The bobbin by bobbin holder
When mounting on a bobbin, the bobbin
The push-in detection member and locking member into the holder at the same time
Forces the spring to absorb this force
To prevent damage to the pivots of the swinging member.
No.

[Brief description of the drawings]

FIGS. 1A and 1B are partially cutaway side views showing an embodiment of a bobbin holder according to the present invention.

FIGS. 2A and 2B are enlarged cross-sectional views of a main part in the embodiment of FIG.

FIG. 3 (a) and (b) are enlarged sectional views of a main part showing another embodiment.

[Explanation of symbols]

 2 spindle 4 bobbin holder 5, 5 'thread gripping member 14 rocking member 19 locking member 22 bobbin detecting member W1, W2 bobbin

Claims (2)

(57) [Scope of request for utility model registration] Claims: 1. A spindle mounted on a cantilevered spindle,
A bobbin holder that inserts and holds a plurality of bobbins in series with a predetermined holding interval on the outer periphery thereof, and can protrude and retract in the radial direction from the outer surface of the holder at a position adjacent to the holder distal end of the holding interval of each bobbin. a locking member provided with a respective volume
At the position adjacent to the holder base end side of the holding interval of the bin, it comes into contact with the inner diameter surface of the inserted preceding bobbin, detects the presence or absence thereof, and when the preceding bobbin exists, inserts the locking member later. A bobbin detecting member that protrudes in the radial direction from the outer surface of the holder so as to be able to engage with the insertion end surface of the bobbin to be inserted, and when the preceding bobbin is absent, the locking member is inserted radially inward from the outer surface of the holder. Bobbinhol of multi-thread winding machine
In the bobbin, the holding interval of each bobbin is
Actively move in the axial direction of the
Provide a ring-shaped thread gripping member that holds the end, and
The locking member and the bobbin detecting member are each
Holder is provided at the inner position in the radial direction of the holder
Along the longitudinal direction of the bobbin holder that can swing in the
It can alternately emerge from the outer surface of the holder via the swinging member
The swinging member and the swinging member and the bobbin holder.
A spring interposed between the spring and the
A multi-filament winder bobbin holder that is urged in the direction of immersion from the outer surface of the rudder. 2. The multi-thread winding according to claim 1, wherein at least one of the locking member and the bobbin detecting member is formed separately from the swinging member, and is connected to the swinging member via a spring. Bobbin holder for the machine.