CN1098449A

CN1098449A - The nipper arrangement of combing machine

Info

Publication number: CN1098449A
Application number: CN 94103096
Authority: CN
Inventors: H·兰格
Original assignee: Maschinenfabrik Rieter AG
Current assignee: Maschinenfabrik Rieter AG
Priority date: 1993-03-29
Filing date: 1994-03-28
Publication date: 1995-02-08
Also published as: CH686627A5; DE59400081D1; EP0619389A1; EP0619389B1

Abstract

A kind of nipper arrangement comprises that one is equipped with the nipper frame 14 of nipper plate 15.Nipper plate is equipped with top comb 16,17.Upper clamp part forms by being hinged to the last tong arm 19 on the nipper frame and the nippers 20 of this arm attaching.Nippers disposes a gassing pipe 21, and this pipeline comprises the exhaust port 22 that is blown air towards the ejection of top comb direction.Upper clamp part comprises for being blown the device 18.2,24,23 that air circulation is supplied with gassing pipe.The air-flow of exhaust port ejection washed away the combing card wire 17.2 of top comb gently and removed foreign material from it in nipper arrangement unlatching and closing course.By blowing gas stream the fibre bundle that combs out is depressed on the combing machine rotation circular comb 11,26.

Description

The nipper arrangement of combing machine

The present invention relates to a kind of nipper arrangement that is used for combing machine, it has a nipper frame that a nipper plate is housed, one is contained on this nipper frame and the top comb of disposing the combing pin, a upper clamp part that has tong arm, should go up tong arm and be hinged on the nipper frame and a nippers with the nipper plate co-operate is housed, this nipper arrangement also has one and is used for being sprayed on air-flow on the combing card wire of top comb and being sprayed on the device of holding under the arm on the fibre bundle between nippers and the nipper plate.

Patent document DE-A-3722481 has described a kind of top comb that is used for combing machine, and this combing machine has one and is used for air-flow is sprayed onto device on the top comb card wire.Air-flow is used for cleaning the intermediate gaps between the top comb card wire.But, air-flow also can be used for being pressed downwardly onto on the rotation circular comb of carded fiber bundle holding under the arm at the fibre bundle on the nipper arrangement of combing machine.The device that is used for jet-stream wind comprises that one is attached to by an air chamber and a packaged air-flow guide plate of receiving on this cover plate in the top comb of a top comb cover plate restriction.Because of air chamber is attached to reason on the cover plate, it is huger that top comb not only becomes, and compare with a simple top pecten and to want much expensive, and this simple top pecten for example can only be attached to a combing card wire on the plate by a row and constitute, and when damaging, change easier, also more cheap.

The nipper arrangement that the purpose of this invention is to provide a kind of the above-mentioned type, the above-mentioned shortcoming that the type nipper arrangement is had can be overcome, and can obtain better top comb cleaning performance.

Nipper arrangement of the present invention, its objective is and reach with such feature: promptly nippers disposes a gassing pipe, this gassing pipe disposes the exhaust port that at least one air that is used for being blown sprays to the direction towards top comb, and upper clamp part disposes for the device in the air circulation supply inflow gassing pipe that is blown.

First advantage that the present invention has is: can use a top comb that has a top pecten, its produce easy and cost low, and can make things convenient on request and changed cheaply.Because in operating process, nippers is with respect to nipper frame and top comb campaign, therefore, the air-flow that sprays from the gassing pipe of nippers can flow through in top comb, and this can cause cleaning completely.

In preferred embodiment of the present invention, in addition can also be with simply, the effect that the device acquisition of pure machinery is controlled the air that is blown, this be by utilize upper clamp part with respect to the motion of nipper frame or in the operating process of combing machine the reciprocating motion of whole nipper arrangement realize, its control will be carried out by this way, promptly when separation equipment is caught the fibre bundle that combed out and it is pulled through top comb, make the air that blown only in the process that nipper arrangement is closed and/or opened or in the nipper arrangement closure, rather than nipper arrangement does not spray during complete opening

Followingly embodiments of the invention are described in detail with reference to accompanying drawing, wherein:

Fig. 1 is the upright cutaway view of several parts of the combing head of combing machine;

Fig. 2 is the schematic diagram of the nippers of combing head shown in Figure 1;

Fig. 3 is the phantom along Fig. 1 middle section 3-3 intercepting;

Fig. 4 is a upright cutaway view as shown in Figure 1, but wherein each parts is in the another location state;

Fig. 5 is similar to the such upright cutaway view of Fig. 4, and it is used for the second embodiment of the present invention; With

Fig. 6 is the schematic diagram of the nippers in embodiment illustrated in fig. 5.

According to Fig. 1 to Fig. 4, the combing head of combing machine comprises that a circular combing roller 11 is contained in rotationally and separates

cylinder

12,13 in the frame (not shown) with two, and a nipper arrangement that has a nipper frame 14, this nipper frame can reciprocating motion between back-end location shown in Figure 1 and front position shown in Figure 4 in frame.Nipper frame 14 is equipped with a nipper plate 15.In addition, a top comb is seated on the nipper frame 14, and this top comb comprises a top comb carriage 16 and a top pecten 17, and this top pecten 17 is screwed on the top comb carriage regularly and replaceably.Top pecten 17 is made of plate 17.1 and numerous combing card wire 17.2 that is attached on this plate." top comb is supported on the nipper frame " this section literal and also should gives expression to such meaning, i.e. top comb movably is contained on the nipper frame and can be controlled arbitrarily.

Each face attaching at nipper frame 14 has bolt of bearing cap 18, all is hinged with one on each bolt of bearing cap 18 and goes up tong arm 19.Last tong arm is equipped with a nippers 20, and according to the present invention, this nippers disposes a gassing pipe, and this gassing pipe sprays the exhaust port that goes by air that at least one is used for being blown to the direction towards top comb 16,17.In Fig. 1 to 4 illustrated embodiment, gassing pipe is the shape of a vestibule 21, and this vestibule is nippers 20 inboard extensions.Vestibule 21 disposes exhaust port, and the form of this exhaust port is that a row is distributed in the exhaust vestibule 22 on nippers 20 length.

According to the present invention, the upper clamp part that is formed by nippers 20 and last tong arm 19 disposes the device in the gassing pipe 21 that the air circulation that is used for being blown is fed to nippers 20.In Fig. 1 to Fig. 4, described device is by constituting at the inboard supply vestibule 23 that extends of nippers.Supply with vestibule 23 from the end that is attached to the nippers 20 on the tong arm 19 in the initial and feeding gassing pipe 21.Be provided with supply vestibule 24 in the inboard of last tong arm, it leads to the air inlet openings that is used to supply with vestibule 23.It is initial from the dead eye on the last tong arm 19 to supply with vestibule 24, and they are used tong arm and are fixed on the bolt of bearing cap 18.Described bolt of bearing cap 18 all include one with nipper frame 14 on compressed air communication part 25(see Fig. 3) hollow chamber 18.1 that is connected.A radially exhaust port 18.2 is all extended at hollow chamber 18.1 places of each bolt of bearing cap 18, and it leads on the periphery of bolt of bearing cap.

In the process of combing machine work, nipper frame 14 reciprocating motion between back-end location shown in Figure 1 and front position shown in Figure 4.At back-end location shown in Figure 1, nipper arrangement is closed.Held a fibre bundle (not shown) under the arm between the leading edge of the feather edge of nippers 20 and nipper plate 15, this fibre bundle is to be combed out in 26 minutes by the circular comb sections on the circular combing roller 11 of rotation.In this closing position of nipper arrangement, the air inlet openings of the supply vestibule 24 on the last tong arm 19 is to aim at the exhaust port 18.2 of bolt of bearing cap 18.Like this, the air that is blown enters supply vestibule 24 from inner cavity chamber's 18.1 discharges of bolt of bearing cap 18, flows through the supply vestibule of supplying with on vestibule 24 and the nippers 20 23 subsequently, enters in the gassing pipe 21.The air that is blown flows through exhaust vestibule 22 from gassing pipe 21 ejections.The air-flow of ejection is pressed downwardly onto fibre bundle on the circular comb sections 26.

Nipper arrangement is opened in the front position (see figure 4) of nipper frame 14.Before the fibre bundle that is combed out was caught by separating

cylinder

12,13, and was pulled out top pecten 17.The operation of grabbing the folder fibre bundle with

separation cylinder

12,13 can not damaged by the air-flow of exhaust in the exhaust vestibule 22 of nippers 20, this be because, when nipper arrangement was in opening state, the air inlet openings of the supply vestibule 24 on the last tong arm 19 was not aimed at the exhaust port 18.2 of bolt of bearing cap 18.

Exhaust port 18.2 also is arranged on the bolt of bearing cap that is secured on the nipper frame 14 with pivotable supply vestibule 24 co-operate that go up on the tong arm 19, and the air that just can guarantee to supply with the gassing pipe 21 of nippers 20 in a simple manner can circulation-supplied.Air supply and by the discharging by exhaust vestibule 22 of the air that blown only when nipper arrangement is closed and in the process of nipper arrangement opening and closing, take place.When nipper arrangement is closed, the air-flow of discharge as described above, the fibre bundle that will be combed out is pressed downwardly onto on the circular comb sections 26.In the process of nipper arrangement unlatching and closure, air-flow washed away the combing card wire 17.2 of top pecten gently and washed away any foreign material that may be stained with effectively above them.By this way, top comb can need not be keeped in repair in a very long time, thereby can give full play to its efficient in the longer time.

Fig. 5 shows in the similar uprightly mode of cutaway view and separates

cylinder

12,13 as shown in Figure 4, has the nipper frame 14 and the

top comb

16,17 of nipper plate 15.The last tong arm 19 that has air supply vestibule 24 is contained on the hollow bearing bonnet bolt 18 that is installed on the nipper frame 14 pivotly, and last tong arm 19 is equipped with a nippers 120 that disposes a gassing pipe.In this embodiment, gassing pipe is a hollow chamber 121 in case 27, and this case 27 is placed on the surface of nippers 120.The termination of the supply vestibule 24 on the service 123 of hollow chamber 121 in being arranged on case 27 and the last tong arm 19 is connected.Gassing pipe or hollow chamber 121 dispose an air exhaust openings, and the form of this opening is a sealing that extends on the length of nippers 120 122.When nipper arrangement closed and nipper arrangement open and closed process in, the air that is blown is by described sealing 122 ejections, this has same effect with top to Fig. 1 to 4 illustrated embodiment is described basically.

Case 27 covers the part of discharging sealing 122 and has done to cut sth. askew at two ends, and as shown in Figure 6, it indicates with label 28.By this way, formed the additive air exhaust openings of coming out from gassing pipe or hollow chamber 121, on the middle section of nippers 120 length, the cross section of this additive air exhaust openings is greater than the air discharging cross section of sealing 122.The air-flow that sprays in by the additive air exhaust openings in the end of gassing pipe 121 is used to make the side of the fibre bundle that is just being combed out to keep in touch.

Fig. 1 to 4 illustrated embodiment and embodiment illustrated in fig. 5 in, the quilt of supplying is blown air to be controlled by this way, promptly nipper arrangement as described like that by on when tong arm 19 reaches unlatching with respect to the motion of nipper frame 14, the air-flow that is blown is blocked.When nipper arrangement was opened, the air supply hole chamber 24 on the last tong arm 19 was no longer aimed at the exhaust port 18.2 of bolt of bearing cap 18.

Obviously, also there is other possible scheme, reaches in such a way the air that is blown is controlled, promptly only in the process of nipper arrangement closure and/or unlatching and/or in the nipper arrangement closure, spray the air that is blown.For example, nipper arrangement can be used to carry out this control with respect to the reciprocating motion of combing machine frame.

Claims

1, a kind of nipper arrangement that is used for combing machine, it has a nipper frame (14) that a nipper plate (15) are housed, a top comb that is contained on the nipper frame and disposes combing card wire (17.2) (16,17), one has tong arm (19; 119) upper clamp part, the described tong arm of going up is pivotably connected on the nipper frame and a nippers (20 with nipper plate (15) co-operate is housed; 120), this nipper arrangement also has one and is used for the combing card wire (17.2) that air-flow is sprayed onto top comb (16,17) gone up and be sprayed on holding under the arm at nippers (20; 120) and the device on the fibre bundle between the nipper plate (15), it is characterized in that: nippers (20; 120) dispose a gassing pipe (21; 121), this gassing pipe disposes at least one air that is used for being blown to the exhaust port (22 that sprays towards the top comb of fixing (16,17) direction; 122), upper clamp part (19,20; 19; 120) dispose and be used for for the air that blown at gassing pipe (21; 121) device (18.2,24,23) of circulation-supplied in.

2, nipper arrangement as claimed in claim 1 is characterized in that: described gassing pipe is to be formed by the hollow chamber (21) in the last tong arm (20).

3, nipper arrangement as claimed in claim 1 is characterized in that: described gassing pipe is contained in the case (27), and this case is placed on the surface of nippers (120).

4, as each described nipper arrangement in the claim 1 to 3, it is characterized in that: described exhaust port (122) is a sealing shape, and it extends on the length of nippers (120).

5, as each described nipper arrangement in the claim 1 to 3, it is characterized in that: described gassing pipe (21) disposes a plurality of exhaust ports (22) that are distributed on the nippers (20).

6, as each described nipper arrangement in the claim 1 to 5, it is characterized in that: described gassing pipe (121) disposes additional exhaust port (28) in its end, and the cross section of described exhaust port (28) is bigger at the cross section at nippers (120) length middle section place than exhaust port (122).

7, as each described nipper arrangement in the claim 1 to 6, it is characterized in that: be used to supply with the device that is blown air and comprise groove (23) on the nippers (20), described groove is connected with the vestibule (24) of last tong arm (19) and leads to gassing pipe (21; 121) in.

8, nipper arrangement as claimed in claim 7, it is characterized in that: begin in the bearing vestibule of described vestibule (24) on last tong arm (19), the hollow bearing bonnet bolt (18) that is installed on the nipper frame (14) is inserted in this bearing vestibule, and each bearing vestibule all disposes a radially exhaust port (18.2) that pass-out is come from this hollow chamber (18.1).