JPH089104Y2 - Sliver cutting device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION This invention relates to a spinning device, and more particularly, to a sliver can, which is housed in a sliver can arranged behind each pneumatic spinning device for each weight, when the sliver is almost empty. The present invention relates to a sliver cutting device used as a sliver splicing device when a new filled can (hereinafter referred to as an actual can) is replaced.

[0002]

2. Description of the Related Art Conventionally, when a sliver in a sliver can arranged behind each spinning device is empty, a worker confirms and stops the sliver and manually replaces it with a new can. The sliver on the spinning device side and the sliver end on the actual can side are spliced together.

[0003]

Conventionally, since there was no device for automatically connecting the sliver, it was not possible to automatically replace the can in the spinning device.

An object of the present invention is to provide a sliver cutting device used for a sliver splicing device required for automatic replacement of cans in a spinning device.

[0005]

In order to achieve the above-mentioned object, the sliver cutting device of the present invention is arranged with a space larger than the maximum fiber length of the fibers constituting the sliver and 100 mm or less in the vertical direction, It consists of two sets of chucks that increase the distance between them when the sliver is cut.

[0006]

[Operation] In the sliver cutting device configured as described above, when the sliver is sandwiched between two sets of chucks and the distance between them is increased, the sliver is cut, and the cut end is not too long and the brush is cut. It becomes the shape of the tip of the squirrel and maintains the upright state.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An automatic can changing device, which adopts the sliver cutting device of the present invention and is capable of automatically changing cans, will be described with reference to FIGS.

The device, as shown in FIG. 1, is a can changing robot 1 which is self-propelled along a sliver can C arranged in parallel behind an air spinning device S to exchange cans.
A can exchange robot 1 arranged at one end of the pneumatic spinning device S
The can transfer station 2 for transferring the cans to and from the actual can storage 3 for supplying the actual can C to the can transfer station 2, and the can transfer station 2
Empty can storage 4 that discharges more empty can C ',
It is composed of a skylab (overhead traveling vehicle) 5 that runs along the real can storage 3 and the empty can storage 4 and transfers the can to and from them.

The cans C behind the pneumatic spinning device S are arranged in a line. The pitch between the spindles of the pneumatic spinning device is 215 mm
Therefore, to arrange the cans C in a line,
It is necessary to prepare a thing of ˜210 mm.

The conventional can has a diameter considerably larger than this, and when arranging the cans for each weight of the pneumatic spinning device, it was unavoidable to arrange them in two or three rows. Since it is not possible to do so, we have adopted the thin cans described above and arranged them in a line. Even with a can having such a small capacity, there is no problem because the can can be exchanged automatically.

As shown in FIG. 2, a rail 6 is provided in the lower part of the rear of the can row in the machine longitudinal direction, and a rail 7 is provided above it. On the other hand, the can exchange robot 1 is provided with wheels 8 placed on the rails 6 and wheels 9 and 10 sandwiching the rail 7 from the side, and the can exchange robot 1 according to the present invention is provided with a can row behind the air spinning device S. To be able to run along.
Reference numeral 11 is a creel that guides the sliver from the can to the air spinning device S.

FIG. 3 and FIG.
As shown in, a space for one empty can and a space for one real can C are provided.
In FIG. 4, the left side is the space for the real can C.

Further, the can exchange robot 1 has a sliver cutting part 12 and a sliver joint part 13 on the upper side, and a can operation device 14 on the lower side, and can exchange cans between the can transfer station 2 and the air spinning device S. Make a round trip to and from the required location.

The weight of the pneumatic spinning device S having the almost empty can C'provides a weight change request signal to cause the weight change robot 1 to move to the weight. The can replacement request signal is generated after a certain period of time has elapsed from the replacement of the can, when the weight of the can is below a certain value, and when the rise of the sliver receiver supported by the spring in the can is detected with a photoelectric tube or the like. There is something to be emitted, and any one may be used.

As shown in FIG. 7, the sliver cut portion 12 has two crab-scissor chucks 1 arranged one above the other.
The upper chuck 15, which is composed of 5 and 16, is capable of advancing and retracting and is closed when advancing. In addition to these operations, the lower chuck 16 rotates downward after holding the sliver. Then, these operations are performed by the air cylinder.

As shown in FIG. 8, the sliver joint portion 13 includes two sets of upper and lower sliver sandwiches 1 which can be freely opened and closed.
7, 18 and a suction port 19 communicating with a blower that moves up and down above the can C, and a suction port 2 that is open at the upper rear portion of the sliver clip 17 and communicates with the blower 2
0, a chuck 21 below the sliver pinch 18, which moves forward and backward, and rotates downward, and a suction port 22 that is fixed in position and is open to the lower rear part of the chuck 21 and communicates with the blower. There is. Upper sliver clip 17
Can move in the vertical direction, and a net is provided at the mouthpiece 19 to prevent the sliver end from being sucked in. The operation of the chuck 21 is performed by an air cylinder.

The chuck 15 of the sliver cut section 12,
16 and the sliver clip 17 of the sliver joint 13,
Since 18 are arranged at intervals in the vertical direction,
When the sliver is sandwiched and torn by them, if the sliver is sandwiched too much, the lower sliver end cannot maintain the upright state and falls down, making it impossible to execute the next sliver joint.

In order to secure the uprightness of the sliver end after cutting, the chuck 15, the chuck 16 and the sliver clip 1 are used.
The distance between 7 and the sliver clip 18 must be greater than the maximum fiber length of the fibers forming the sliver and 100 mm or less. In this way, the cut end of the sliver does not become too long but has the shape of a brush tip.

Chuck 15, 16 and sliver clip 1
Each of the sandwiching portions 7 and 18 has a small gripping force when it is flat as shown in FIG. 10, but it has a large gripping force when one is projected and the other is depressed as shown in FIG. . However, the cut end of the sliver is prone to tipping. Therefore, in order to secure a large gripping force and to keep the end of the sliver upright after cutting, one of them may be thickened to serve as a sliver support wall as shown in FIG.

Sliver clip 1 of sliver joint 13
A sliver splicing device of the present invention shown in FIG. 9 is provided between 7 and the sliver clip 18. In this sliver joining device, the sliver end on the side of the actual cans C and the sliver end on the side of the pneumatic spinning device S that are overlapped are pierced with a needle several times in a direction orthogonal to the sliver to join them.

The sliver splicing device is composed of a group of two sets of comb bodies 33 and needles 34 that approach and separate from each other. Figure 9
Shows a group of one comb body 33 and needles 34, but the other group is also the same, and only the comb body 33 is shown by a dashed line.

The group of combs 33 and needles 34 is a comb support 36.
And the comb support 36 is slidably supported by the linear bars 35 that are vertically parallel to each other. The comb support 36 is reciprocated by an air cylinder or the like. Two attachment shafts 37 are slidably attached to the comb support 36, and the comb 33 is fixed to the attachment shaft 37. A spring 38 is provided around the attachment shaft 37 between the comb support 36 and the comb 33. The needle 34 is fixed to the comb support 36 so that the tip of the needle 34 is bifurcated so that the sliver can be spliced efficiently. The comb body 33 has a J-shaped cross section, and a plurality of needle holes 39 are provided in two rows on the intermediate surface. The needles 34 are alternately planted in a zigzag pattern so as to face the needle holes 39. On both sides of the comb body 33, there are several comb teeth 40,
41 is provided. The left and right comb bodies 33 are arranged so that the surfaces provided with the needle holes 39 face each other and are vertically displaced by one comb tooth.

When the sliver ends on the spinning device side and the actual can side are set in the state shown by the chain double-dashed line, when the comb body support members 36 are brought close to each other by an air cylinder or the like, the comb bodies 33 are separated from each other. The comb teeth 40 and 41 enter into the gap between the other comb teeth and approach each other, and stop by abutting the surfaces provided with the needle holes 39. When each comb body support 36 is further approached against the force of the spring in that state, the needle 34 pops out from the needle hole 39, penetrates each sliver end, and enters the needle hole 39 of the other comb body 33. When this sliver piercing operation is repeated several times, both sliver ends are spliced. The seam is flat, but the strength of the seam is strong and the draft of that part is also good.

As shown in FIGS. 2 and 4, the can operation device 14 is located behind the space for empty cans of the can exchange robot 1 and has a linear motion actuator 23.
Two upper and lower rubber vacuum pads 25 that move forward and backward by
a, 25b, and two upper and lower rubber vacuum pads 26a, 26b which are located in the rear of the space for the actual cans and which are moved forward and backward by the linear motion actuator 24. The suction of each vacuum pad is performed not only when the can is exchanged but also when the can exchange robot 1 is moved so as to prevent the can from falling during the movement.

The opening of the can is covered with a transparent cap 27 having a shape as shown in FIG. 5 and FIG. 6 for protecting the stored sliver from collapsing or coming into contact with other objects. The diameter of the cap 27 decreases toward the central hole 28, and several windows 28 are provided on the peripheral surface. The central hole 28 is for leaving the sliver end from the outside, and the peripheral window 29 is a working hole for putting in a hand for exposing the sliver end.

The cans transfer station 2 is on the extension line of the cans row behind the pneumatic spinning device S, and the endless conveyor belt and the direction changing device running along the extension line toward the cans row or in the opposite direction. It consists of 30. Here, the can operation device 14 of the can exchange robot 1 transfers the real can C to the can exchange robot 1 and the empty can C ′ from the self-propelled robot 1.

The actual can storage 3 is arranged at a right angle adjacent to the can transfer station 2 and has a direction changing device 30.
It consists of an endless belt conveyor running toward.

When a can request signal is issued at the can transfer station 2, the real can C carried to the real can storage 3 by the skylab 5 having two real cans is a conveyor of the real can storage 3. And it is carried to the can transfer station 2 by the direction changing device 30 in the solid line position in FIG. At this time, the conveyor of the cans transfer station 2 is traveling to the right side in FIG.

The empty can storage 4 comprises an endless belt conveyor which is arranged at a right angle adjacent to the can transfer station 2 and runs away from the direction changing device 30.

The empty cans C'transferred from the can exchange robot 1 onto the conveyor of the can transfer station 2 are changed in direction from the conveyor of the can transfer station 2 traveling to the left side of FIG. It is carried to the empty can storage 4 by the device 30. The stored empty cans C ′ are carried by the Skylab 5 to different places.

As shown in FIG. 2, a cable bear 31 is used for supplying power and supplying compressed air to the can exchange robot 1 so as not to hinder the traveling of the can exchange robot 1.
Power supply and compressed air supply are performed above the pneumatic spinning device S.

On the can side of the pneumatic spinning device S, a curved contact 32 is provided along the shape of the can C so that the can exchange robot 1 can easily position the can C.

The structure of the automatic can changing device is as described above. Next, the can changing procedure when the cans arranged behind the pneumatic spinning device S become empty will be described.

A can exchange robot 1 having an actual can C in advance stands by in the can transfer station 2 or near the center of the can group behind the pneumatic spinning device S (hereinafter referred to as the origin).

When the can of the weight of the pneumatic spinning device S approaches the sky, the spinning of the weight is stopped and a can request signal is issued.
The can exchange robot 1 runs on the back surface of the weight.

A can exchange robot 1 that has arrived at the weight
First cuts the sliver of almost empty can C '. That is, as shown in FIG. 7, the chucks 15 and 16 move forward to sandwich the sliver indicated by the chain double-dashed line at upper and lower portions, and rotate the lower chuck 16 downward to tear it off. When both chucks 15 and 16 are opened, the sliver end on the can side hangs down from the cap 27, and the sliver end on the air spinning device S side hangs down from the creel 11.

After that, the vacuum pads 25a and 25b are activated to draw the empty cans C'to the can exchange robot 1 side, and the can exchange robot 1 inserts the actual cans C held therein into the empty position as shown in FIG. As shown by the alternate long and short dash line in FIG.
While pushing the actual cans C held in a and 26b, push them into the empty position.

On the cap 27 of the actual can C, the suction port 19 descends from the sliver joint portion 13 and sucks the sliver end on the cap 27 which is set at another place in advance.
It rises to a predetermined position shown in FIG. 8 and stops.

After that, the mouthpiece 20 is activated and the mouthpiece 19 is stopped, and the sliver is sucked into the mouthpiece 20. When the mouthpiece 20 sucks the sliver for a certain period of time (constant length), the sliver pinch 17 and the sliver pinch 18 are activated and the sucking port 20 stops sucking. Then, the sliver clip 17 is lifted up by about 40 mm to tear off the sliver between the sliver clip 17 and the sliver clip 18. When the sliver clip 17 is opened, the remaining sliver end is sucked into the suction port 20. Then sliver clip 1
7 returns to its original position. The sliver clip 18 is secured by sandwiching the sliver end on the can side. This state is shown in FIG.

There, the chuck 2 of the sliver joint 13
1 opens while advancing, and chucks the sliver end on the side of the pneumatic spinning device S. Then, as the chuck 21 retracts, the sliver pinch 17 closes and grasps the sliver end on the side of the pneumatic spinning device S. Then, the chuck 21 rotates downward to cut the sliver. The sliver end on the side of the pneumatic spinning device S is secured to the sliver pinch 17. Chuck 2
The excess sliver piece on the first side is sucked into the mouthpiece 22.

Sliver clip 17 and sliver clip 18
Both sliver ends secured between and are joined by the above-mentioned needle stick operation of the sliver joining device. Then, the sliver clamps 17 and 18 are opened, the spliced sliver is released, and the splicer joining is completed.

Then, the can exchange robot 1 that has picked up the empty can C'runs itself up to the can transfer station 2 at the end of the air spinning device S, and moves the empty can C'to the conveyor of the can transfer station 2 there. List. The empty cans on the conveyor are carried to the empty can storage space 4 by traveling to the left of the conveyor. Thereafter, one real can C moves from the real can storage 3 to the can transfer station 2, and then the real can C is transferred to the can exchange robot 1. Then, the can exchange robot 1 returns to the origin.

[0043]

Since the present invention is constructed as described above, it has the following effects.

That is, since the sliver ends on the actual can side and the spinning device side can be made into the shape of the tip of a brush without being too long and prepared in an upright state, automatic sliver splicing is possible. It was

Therefore, the replacement of the can of the spinning device can be automated, and the operating rate of the spinning device can be increased.

[Brief description of drawings]

FIG. 1 is a schematic layout of an automatic can changing device.

FIG. 2 is a side view of the can change robot.

FIG. 3 is a rear view of the can exchange robot.

FIG. 4 is a plan view of a can change robot.

FIG. 5 is a plan view of a can cap.

FIG. 6 is a side view of the can cap.

FIG. 7 is a side view of a sliver cut portion of the can change robot.

FIG. 8 is a side view of a sliver joint of the can change robot.

FIG. 9 is a perspective view of a sliver splicing device.

FIG. 10 is a view of a chuck having a flat holding part and a sliver end cut by the chuck.

FIG. 11 is a view of a chuck having an unevenness in a holding portion and a sliver end cut by the chuck.

FIG. 12 is a diagram of a chuck having concavities and convexities and a sliver support portion in a holding portion and a sliver end cut by the chuck.

[Explanation of symbols]

 12 Sliver cut part 13 Sliver joint part 15 Chuck 16 Chuck 17 Sliver sandwich 18 Sliver sandwich

Claims (1)

[Scope of utility model registration request] 1. A sliver cutting device comprising two sets of chucks arranged in the vertical direction at intervals of 100 mm or less, which are larger than the maximum fiber length of the fibers forming the sliver, and which increase the mutual intervals when cutting the sliver.