JPH03174021A - Combing machine - Google Patents

Abstract

PURPOSE: To completely remove neps and contaminants from fibers by supporting the fibers drawn out through the inside of top combs by a specific fiber supporting member. CONSTITUTION: The forward final position of a nipper frame 5 is provided with the fiber supporting member 18 movable to the final position approaching the top combs 15 and 16. While the nipper frame 5 occupies the forward final position, the fiber supporting member 18 moves to the final position in proximity to a top comb blade 15 and while the fibers are supported by the fiber supporting member, the fibers are drawn out through the inside of the top combs and are no longer drawn out through the lower side of the top combs without being sagging downward and without being combed.

Description

Detailed Description of the Invention [Industrial Field of Application 1] The present invention relates to a combing machine, which comprises a machine frame, a detaching roller rotatably supported within the frame, and a front combing machine that approaches the detaching roller. A nipper including a nipper frame capable of reciprocating within the frame between a final position and a rear final position away from the detaching roller, and a top comb disposed between the nipper and the detaching roller. Regarding the type of thing that has.

[Prior Art] In the above type of combing machine, when the fiber tact whose front end has been combed in advance by a rotating circular comb is separated from the wrap by a detaching roller and pulled out through a top comb, the nipper The rear end is combed by the top comb while being supported by the top comb. This further removes neps and contaminants from the rear end of the fiber duct. However, such combing machines do not completely remove neps and contaminants.

OBJECT OF THE INVENTION It is an object of the invention to provide a combing machine of the type mentioned at the outset, which allows more complete removal of neps and contaminants from the fiber than in known combing machines.

[Means for Solving the Problems] According to the present invention, in the combing machine of the type mentioned at the beginning, the fiber supporting member, which is movable to the final position in front of the nipper frame, approaches the top comb, This problem has been solved by being supported by this fiber support member.

[Operations and Effects] The rear end of the fiber released from the nipper is supported by the fiber support member of the present invention when it is separated from the wrap by the detaching roller. This prevents the fiber from hanging downwards and being pulled out through the underside of the top comb without being combed.

Further, the fiber support member may be located between the top comb and the detaching roller in its final position close to the top comb, but it may also be located on the opposite side of the top comb from the detaching roller. . Particularly if the fiber support member is located between the top comb and the detaching roller, advantageously a slight counter-rotation of the detaching roller will prevent the tightening of the detaching roller from the preformed comb running out of the line. They are guided backwards on detaching rollers so that they are only a short distance apart.

According to an advantageous development of the invention, the combing machine according to the invention has a clamping element which cooperates with the fiber support element in its final position. When the fiber tuft is pulled out through the top comb, this tightening is slightly compressed and damped by the member. As a result, more neps and contaminants are removed from the fiber tuft. In this case, the fiber support member and clamping member itself serves as a nep removal device.

[Example 1 The invention will now be explained with reference to the illustrated embodiment.

The combing head shown diagrammatically in FIGS. 1 to 4 each comprises two detaching rollers 1.2, a circular comb cylinder 3 rotatably mounted in a machine frame, not shown, and a nipper. It is composed of 4.

Further, the nipper 4 includes a nipper frame 5. The front end of this nipper frame 5 is connected to a circular comb cylinder 3.
The rear end of the nipper frame 5 is hinged to a front support member 6 which is pivotable about the axis of the nipper frame 5 to a nipper pivot arm 7 which is pivotably mounted in the machine frame. Thereby, the nipper frame 5 is reciprocated by the nipper pivot arm 7 between the forward final position shown and the rear final position away from the detaching roller 1.2. Further, the upper nipper plate 8 is supported by the upper nipper arm 9, and the upper nipper arm 9 is attached to the nipper frame 5 so as to be able to rotate around the shaft 10.
is combined with

In the embodiment according to FIGS. 1, 3 and 4, a lower nipper plate 11 is fixed to the nipper frame 5. In the embodiment shown in FIGS. On the other hand, in the embodiment shown in FIG.
The lower niraha plate 12 supported by the nipper frame 5 is movably guided within the guide 13 of the nipper frame 5,
Moreover, as described below, it serves as a fiber support member.

A feed roller 14 is supported on the nipper frame 5. This feed roller 14 rotates intermittently during operation of the combing machine, thereby feeding the wrap to be combed (not shown) to the front edge of the lower nipper plate 11 or 12. Now, since the nipper 4 is in the rear final position of the nipper frame 5, the fiber act of the wrap is tightly tightened between the lower nipper plate 11 or 12 and the upper nipper plate 8. This fiber tuft is then combed by a circular comb segment (not shown) fixed to a rotating circular comb cylinder 3. Thereafter, when the nipper 4 is moved to the forward final position shown and opened, the front end of the fiber tuft is aligned with the end of the preformed combed fleece on the lower detaching roller l. It can be summarized as follows. This fiber act is then separated from the wrap by rotation of the detaching roller 1.2,
It is pulled out through the top comb.

The top comb is fixed to a support plate 16 and has a t-nid comb blade 15.

Further, the support plate 16 is fixed to the top comb holder. This top comb holder is Nipper Frame 5
Alternatively, it may be adjustable and fixed to the machine frame, but it may also be held movable up and down with respect to the machine frame by a drive device. In FIG. 1, for example, a top comb holder 1 is adjustably fixed to a nipper frame 5.
7 is shown.

While the nipper frame 5 occupies the forward final position, the seven-fiber support member according to the invention
Move to a final position close to 5. Thereby, the fibers are drawn out through the top combs 15 and 16 while being supported by the fiber support members. Different embodiments of such fiber support members are shown in FIGS. 1-4.

In the embodiment according to FIG. 1, a fiber support element l8 is provided. The fiber support member 18 moves within the machine VC frame in the direction of the double arrow until it reaches the final position shown. In the final position shown, the upper end surface of the fiber support member 18 is located between the top comb blade 15 and the front edge of the lower nipper plate 11.
The combing head according to FIG. 1 additionally has a clamping element 19. The upper end face of the movable fiber support member 18 is then pressed against the clamping member 19 by means of an adjustable predetermined force by a drive (not shown) for the movable fiber support member 18 . As a result, the fiber tufts drawn through the top comb 15, 16 are slightly compressed between the fiber support member 18 and the clamping member 19. This tightening means that the element 19, which in the embodiment according to FIG.
．． 16, it may advantageously be held adjustable on the nipper frame 5 and may also be fixed to the machine frame or guided so as to be movable up and down within the machine frame. .

In the embodiment according to FIG. 2, the lower nipper plate 12 itself acts as a fiber support member.

That is, while the nipper frame 5 occupies the front final position, the lower nipper plate 12 is moved from the rear final position shown by the solid line to the front final position shown by the dashed line by a drive device (not shown). It is moved relative to the nipper frame 5. In this final forward position, the front edge of the lower nipper plate 12 is located close to the top comb blade 15, so that the top comb 15.
16 to support the fiber being drawn out.

Now, the combing head according to FIG. 2 also additionally has a clamping element 19, which is fixed to the dog comb 15, 16, for example. Further, the top comb holder 17,1 is movably guided by a member 20 fixed to the frame, and is moved up and down by a drive device 21. In this case, the drive 21 acts via a compression spring 22 on the top comb holder 17.1. the result,
In the embodiment according to FIG. 3, the member 19 is crimped against the front edge of the lower nipper plate 12 with an adjustable predetermined force, the fiber support member being movably held or guided by the nipper frame 5. 23 are provided. Now, while the nipper frame 5 occupies the final front position, the fiber support member 23 moves from the final rear position shown by the solid line to the final front position shown by the dashed line.
It is moved relative to the nipper frame 5 by a drive device (not shown).

In this forward final position, the fiber support member 23 is located between the top comb blade 15 and the front edge of the lower nipper plate 11, thereby supporting the fiber being drawn through the top comb 15.16. are doing. Also in the embodiment according to FIG. 3, a clamping member 19 is provided which cooperates with the fiber support member 23.

For this tightening, the element 19 is pressed against the fiber support element 23 by the drive 21 via the compression spring 22 and the top comb holder 17.1, as in the embodiment according to FIG. In the exemplary embodiment shown, in contrast to the exemplary embodiment according to FIG. In other words, the first
In the illustrated embodiment, the fiber support member 18 and the tightening member 9 are connected to the top comb blade 15 and the lower nipper plate l.
It was located between 1 and 1. However, also in the embodiment according to FIG. 4, the fiber support member 18.1 is movably guided relative to the machine frame, so that in the forward end position of the nipper frame 5, this fiber support member 18.1 is moved into the forward end position shown. In the forward final position, the upper end surface of the fiber support device 18.1 is located between the line and the top comb blade 15 with the clamping of the detaching roller l2. Now, the above-mentioned tightening element 19.1 is advantageously adjustably fastened to the top comb 15.16;
Nipper frame 5 regardless of top comb 15.16
It may be held in the machine frame, or it may be fixed to the machine frame or guided in a vertically movable manner within the machine frame.

Furthermore, the clamping can be effected by means of the mutually facing surfaces of the element 19 or 19.1 and the fiber support element 18 or 23 or 18.1 being toothed or covered by a cover made of rubber-elastic material. In FIG. 5, a front view of the clamping member 19 and fiber support member 18 is shown. As can be seen from this figure, the lower end surface of the tightening member 19 has a tooth row V. In this case, the upper end surface of the fiber support member 18 may be formed smoothly as shown, but the fastening member 19 may have a tooth row similar to the tooth row V of the member 19. However, the fiber support member 18
Only the upper end surface may have teeth. In FIG. 6, an alternative embodiment is shown in which the tightening is with respect to mutually facing surfaces of member 19 and fiber support member 18. In this case, the lower end surface of the tightening member 19 is covered with a cover 24 made of a rubber elastic material. Further, the upper end surface of the fiber support member 18 may be covered with a cover similar to the cover 24.

[Brief explanation of the drawing]

The drawings show a plurality of embodiments of the combing machine according to the present invention, in which FIG. 1 is a vertical partial cross-sectional view of the combing head of the combing machine of the first embodiment, FIGS. 2, 3 and 4. are vertical partial cross-sectional views of the combing head of the combing machine of the second, third and fourth embodiments, respectively, and FIGS. 5 and 6 are respectively different embodiments of a part of the fiber support member and the tightening member. FIG.

Claims (1)

[Claims] 1. A combing machine, which includes a machine frame, a detaching roller (1, 2) rotatably supported within the frame, and a front part approaching the detaching roller (1, 2). Final position and this detaching roller (1, 2)
Nippers (4) equipped with a nipper frame (5) capable of reciprocating within the frame between a rear final position away from the
This nipper (4) and the detaching roller (1,
2) with a top comb (15, 16) disposed between the nipper frame (5), in which the fiber is movable to a final position approaching the top comb (15, 16) in its final position in front of the nipper frame (5); Support member (18; 12;
23; 18.1) and a top comb (18.1).
A combing machine characterized in that the fiber drawn out through the fiber support member (18; 12; 23; 18.1) is supported by the fiber support member (18; 12; 23; 18.1). 2. The fiber support member (18.1) is connected to the top comb (
15, 16) in the final position close to the top comb (1
2. The combing machine according to claim 1, wherein the combing machine is located between the combing roller (5, 16) and the detaching roller (1, 2). 3. The fiber support member (18; 12; 23) is located on the side of the top comb (15, 16) opposite the detaching roller (1, 2) in said final position. combing machine. 4. Combing machine according to claim 1, wherein the fiber support member (18; 18.1) is movably guided in a machine frame. 5. Combing machine according to claim 3, characterized in that the fiber support member (12; 23) is movably guided in the nipper frame (5). 6. A clamping member (19; 19.1) is provided which cooperates with the fiber support member (18; 12; 23; 18.1) in its final position close to the top comb (15, 16). The combing machine according to any one of items 5 to 5. 7. Fiber support member (18; 12; 23; 18.1)
6. Means are provided for pressing the and the clamping member (19; 19.1) together with an adjustable force.
Combing machine as described. 8. The tightening member (19; 19.1) is attached to the top comb (1
Combing machine according to claim 6 or 7, supported by 5, 16). 9. At least one of the opposing surfaces of the fiber support member (18; 23; 18.1) and the tightening member (19; 19.1) has a tooth row (V);
Combing machine according to any one of claims 6 to 8. 10. At least one of the opposing surfaces of the fiber support member (18; 23; 18.1) and the clamping member (19; 19.1) is covered with a cover (24) made of a rubber elastic material. Claims 6 to 9
The combing machine described in any one of the preceding items.