US2949645A - Carding machine - Google Patents

Description

Aug. 23, 1960 SHOZO NODA 2,949,645

CARDING MACHINE Filed Jan. 4, 1954 2 Sheets-Sheet 1 Aug. 23, 1960 Filed Jan. 4, 195

SHOZO NODA CARDING MACHINE 2 Sheets-Sheet 2 2,949,645 Patented Aug. 23, 1959 CING MAC Shozo Noda, Nagoya-ski, Japan,

Kabushiki-Kaisha, Aichi-dren, Japan assignor to Howa Kogyo Japan, a corporation of The present invention relates to an improvement in a carding engine and more particularly to an improvement in the device which participates in the first step of opening the fiber to make slivers from lap.

The first object of this invention is to make the opening action of the licker-in more effective during transference of the fiber to the cylinder than in the ordinary licker-in heretofore in use.

The second object of this invention is to make the peripheral speed of the licker-in roller most suitable for opening the fiber from the lap by the garnett Wire Without breakage thereof.

The third object of this invention is to provide a device capable of obtaining freely a peripheral speed of the licker-in roller which will be most suitable for trans ferring the fiber from the licker-in to the cylinder with the least formation of neps.

The fourth object of this invention is to provide a device capable of reducing the requirement of the intense opening between the cylinder wire and the top flat vw're or the cylinder wire and the worker wire as is necessary in the ordinary carding system, said opening being necessary for feeding the opened fiber to the cylinder.

The fifth object of this invention is to provide a device capable of obtaining a delivered card web, the parallel state of the fiber in said web being better than that obtained in ordinary carding.

The sixth object of this invention is to provide a device capable of feeding again the lint or neps which ad here to the top fiat or worker to the cylinder in the formof opened fiber by passing said fiber wire of the licker-in.

Said objects and other objects of this invention have been accomplished by providing two licker-in rollers arranged in parallel between the cylinder and the feed roller so that they may be rotated towards the opposite direction of the cylinder.

The present invention will be more easily understood by reference to the following detailed description taken in connection with the accompanying drawings, wherein:

Fig. 1 is a diagrammatical side view of an embodiment of this invention;

Fig. 2 is a diagrammatical side view merit of this invention;

Fig. 2A is a fragmentary view of the upper portion of Fig. 2, on an enlarged scale; and

Fig. 3 is a diagrammatical side View of a further embodiment of this invention.

eferring to the illustration in Fig. l, the lap 17 which is carried on a lap roller 1 is fed'onto a dish plate 2 by rotation of said roller 1 as shown by the arrow a, and is then pushed between the feed roller 3 and said dish plate 2 and clamped by them. The lap 17 clamped as above is removed from the dish plate 2 by rotation of the feed roller 3 as shown by the arrow b. A high speed licker-in roller 5 provided with garnett wire 6 on the periphery thereof is arranged close to the dish plate 2, so

through the garnett of another embodithat the lap 17 discharged as above will be combed up and opened by garnett wire 6.

The lap 17 is transferred onto the garnett wire 6 and is thoroughly opened again between the garnett wire 6 of the licker-in roller 5 and the garnett wire 10 of the second high speed licker-in roller 9, the rotating direction d of said garnett wire 10 and the direction of the teeth thereof being the same as those of the garnett wire 6, whereby-most of the fiber in the lap 17 will be transferred from the garnett wire 6 to the surface of the garnett wire 10.

A small amount of the fiber remaining on the garnett wire 6 is transferred to the garnett wire 15 of the transfer roller 14 being rotated with a peripheral speed faster than the licker-in roller 5 and slower than the licker-in roller 9, the rotating direction of said roller 14 being shown by the arrow e.

The fiber transferred to the garnett wire 15 is then transferred to the garnett wire 10 of the licker-in roller 9. The fiber transferred to said wire 10 is opened again at the position at which the first licker-in roller 5 is close to the second licker-in roller 9.

The fiber remaining on the garnett wire 10 of the locker-in roller 9 can be combed up by the wire cloth 13 of the cylinder 12 being rotated as shown by the arrow 7.

In the illustration in Fig. l, a mote-knife 7, lower screens 8, 1i and a steel sheet cover 16 are arranged as shown in the drawing.

In. the case of an ordinary carding engine provided with no second licker-in roller and transfer roller as shown at 9 and 14 in the illustration in Fig. 1, when out staple of 2" is to be treated, the following speeds are adopted for the cylinder and lickenin roller of the following dimensions;

R.p.m. Cylinder of 50" diameter Licker-in roller of 9 /2" diameter 380 However, the preferable speeds of the various parts of the carding engine of this invention are as follows.

Comparison between said two cases: In the ordinary typeperipheral speed of the cylinder 50.75 XrrX l65 244 peripheral speed of the 9.82 1r 380 licker-in roller In the new construction of this inventionperipheral speed of the cylinder 50.75" X 1r 165 P ipheral speed of the 9.82 1r 525 L624 second licker-in roller It is well-known that when the ratio of the cylinder speed and the licker-in speed approaches unity, then the fiber neps being formed during transference of the fiber from the l-icker-in to the cylinder become very few. However, combing of the lap from the feed roller with a high speed as indicated above causes the generation of much broken fiber making it impossible to obtain effective combing.

According to this invention, however, as will be understood from the description in connection with the illustration in Fig. 1, two licker-in rollers are used, one adjacent the feed roll and one adjacent the main cylinder and the liclr'e'r-in roller adjacent the cylinder can be 1 feed roll and the li'cker-in may etfected without the 7 formation of broken fiber.

The embodiment of Fig. 1 is particularly suitable for treating three denier 3" cut staples, because fiber breakage decreases remarkably. In this construction it becomes possible to obtain a good result even when the peripheral speed ofthe first licker-in roller is reduced to 85 r.p.m.

Furthermore, the direction of the garnett teeth and the direction of rotation of the first licker-in roller are opposite to those of the second licker-in at their point of adjacency, so that opening is carried out during transference of the fiber on the first licker-in roller to the garnett teeth of the second licker-in roller, whereby it becomes possible to maintain the fiber in a more uniformly distributed condition than is the case with any other type of licker-in.

According to this invention, the following additional advantages will be obtained. The fiber can be fed to the cylinder in a more opened state than in the case of ordinary carding, so that the wire clothing of the cylinder, the top flat or the worker will receive a relatively low load resulting in an increase in the life of the wire cloth- In other words, it becomes possible to obtain a well carded web with less broken fiber and neps, due to the uniform distribution of the fiber in the web, which results in an increase in the strength and uniformity of the yarn produced. I

The invention is not only applicable to a carding engine of the ordinary type, but also to the type embodying moving flat strips as shown in Fig. 2 and to the type ei'nploying' a worker as shown in Fig. 3. In Figs. 2 and 3, the same numerals as those used in. Fig. 1 denote the same parts.

In the embodiment of Fig. 2, flat strips are not transferred directly to the licker-in or cylinder and rather they are transferred to the stripping roller first and then to the licker-in through the transfer roller. That is, the flat strips are transferred to the cylinder through the stripping roller, transfer roller, and the second licker-in.

During said transference the fiber passes through the opposing surfaces of the first and second licker-in, so that the fiber will be transferred to the cylinder after it is well opened into very small pieces.

Such an arrangement is illustrated in Fig. 2. In this embodiment, a top fiat 19 is provided with a fiat wire 20 at its periphery and is adapted to be rotated in the direction shown by the arrow i, and a stripping roller 18 is disposed close to the top flat wire 20 and between top flat l9 and the garnett wire of a transfer roller 14 so that it inay be rotated in the same direction as the lickerin rollers, as shown by the arrow g, a suitable gap being left between it and the transfer roller 14.

Accordingto the above arrangement, an air current flowing in the same direction g as the rotation of the stripping roller 18 is induced between the stripping roller 18 and the cover thereof as a result of the high-speed rotation of roller 18 and the suctionjng force of said current at the upper end of said cover sucks the fiat strips from the top flat 19 towards stripping roller 18. However, the stripping action is weak because the flat strips are retained fast on the flat wire 20 of the top flat 19. This drawback can be avoided by providing a pre-pressing attachment 21 which is rotated in the direction of the arrow h and which is capable of pushing up the top strips laid across two adjacent flat teeth of the top flat, whereby said strips are lengthened so as to form an inverse V and are also released from adherence to the top flat. When, as shown in Fig. 2A, the strips of said inverse V form come to said air suctioning portion, said strips can be efiectively drawn by the air stream towards the teeth of the stripping roller 18 so as to form a V, as shown at F, whereby the wire of the high speed stripping roller efiectively catches the fiat strips, resulting in satisfactory stripping. In this case, it is preferable to drive said prepressing member by the driving shaft of the top fiat through a gearing (not shown).

In the construction of Fig. 3, when a worker 22 which is rotated in the same direction as the cylinder is employed in place of the top flat 19, as shown in Fig. 3, the fibers on the worker can be returned again to the cylinder after passing through the stripping roller 18, transfer roller 14 and second licker-in roller 9.

The systems illustrated in Figs. 2 and 3 are remarkably effectivefor carding synthetic fiber consisting of relatively long staples.

Since it is obvious that many changes and modifications can be made in the above-described details without departing from the nature and spirit of the invention, it is not limited to the specific embodiments illustrated.

I claim:

1. In a carding engine, the combination of a feed roller, 21 main cylinder, a first licker-in roller disposed adjacent said feed roller, a second licker-in roller dis posed between said first licker-in roller and said main cylinder, said second licker-in roller cooperating with said first licker-in roller and said main cylinder, a transfer roller cooperating with said two licker-in rollers to form a triangle with said licker-in rollers, a worker cooperating with said cylinder and a stripping roller cooperating with said worker and said transfer roller, said licker-in rollers being mounted for rotation in a direction opposite to that of said cylinder, said transfer roller being mounted for rotation in the same direction as said cylinder, said transfer roller and said two licker-in rollers each being provided with garnett wire, the direction of the garnett wire of said transfer roller being opposite to that of said two licker-in rollers, said worker being mounted for rotation in the same direction as said cylinder and said stripping roller being mounted for rotation in a direction opposite to that of said transfer roller.

2. In a carding engine, the combination of a feed roller, a main cylinder, a first licker-in roller disposed adjacent said feed roller, a second licker-in roller disposed between said first licker-in roller and said main cylinder, said second licker-in roller cooperating with said first licker-in roller and said main cylinder, a transfer roller cooperating with said two licker-in rollers to form a triangle with said licker-in rollers, a worker cooperating with said cylinder and a stripping roller cooperating with said worker and said transfer roller, said licker-in rollers being mounted for rotation in a direction opposite to that of said cylinder, said transfer roller being mounted for rotation in the same direction as said cylinder, said trans-' fer roller and said two licker-in rollers each being provided with garnett wire, the direction of the garnet wire of said transfer roller being opposite to that of said two licker-in rollers, said Worker being mounted for rotation in the same direction as said cylinder and said stripping roller being mounted for rotation in a direction opposite to' that of said transfer roller, said rollers and said cylinder being rotatable so that the peripheral speed of said transfer roller is greater than that of the first licker-in roller and slower than that of the second licker-in roller, and the peripheral speed of said cylinder is greater than that of said second licker-in roller.

3. In a carding engine, the combination of a feed roller,

I a main cylinder, a first licker-in roller disposed adjacent said feed roller, a second licker-in roller disposed between said first licker-in roller and said main cylinder, said second licker-in roller directly cooperating with said first licker-in roller and with said main cylinder, and a transfer roller directly cooperating with said two licker-in rollers, whereby said transfer roller forms a triangle with said lickerin rollers, said licker'in rollers being mounted for rotation in a direction opposite to that of said cylinder, and said transfer roller being mounted for rotation in the same direction as said cylinder, said transfer roller and said two licker-in rollers each being provided with garnett wire, the direction of the garnett wire of said transfer roller being opposite to that of said two lickerin rollers.

4. 'In a carding engine, the combination of a feed roller, a main cylinder, a first licker-in roller disposed adjacent said feed roller, a second licker-in roller disposed between said first licker-in roller and said main cylinder, said second licker-in roller directly cooperating with said first licker-in roller and with said main cylinder, a transfer roller directly cooperating with said two licker-in rollers, whereby said transfer roller forms a triangle with said licker-in rollers, a top fiat cooperating with said main cylinder and a stripping roller cooperating with said top flat and with said transfer roller, said licker-in rollers being mounted for rotation in a direction opposite to that of said cylinder, said transfer roller being mounted for rotation in the same direction as said cylinder, said transfer roller and said two licker-in rollers each being provided with garnett wire, the direction of the garnett wire of said transfer roller being opposite to that of said two licker-in rollers, said top fiat being mounted to rotate in the same direction as said cylinder and said stripping roller being mounted to rotate in a direction opposite to that of said transfer roller.

5. A carding engine as defined in claim 4, further comprising a prepressing member positioned to push the fiber laid across two adjacent teeth of the top flat to lengthen said fiber, said member being disposed at the position immediately ahead of the position at which the fiber is stripped from said top fiat on to the stripping roller.

6. In a carding engine, the combination of a feed roller, a main cylinder, a first *licker-in roller disposed adjacent said feed roller, 21 second licker-in roller disposed between said first licker-in roller and said main cylinder, said second licker-in roller directly cooperating with said first licker-in roller and with said main cylinder, and a transfer roller directly cooperating with said two lickerin rollers, whereby said transfer roller forms a triangle with said licker-in rollers, said licker-in rollers being mounted for rotation in a direction opposite to that of said cylinder, and said transfer roller being mounted for rotation in the same direction as said cylinder, said transfer roller and said two licker-in rollers each being provided with garnett Wire, the direction of the garnett wire of said transfer roller being opposite to that of said two licker-in rollers, said rollers and said cylinder being rotatable so that the peripheral speed of said transfer roller is greater than that of the first licker-in roller and slower than that of the second licker-in roller and the peripheral speed of said cylinder is greater than that of said second licker-in roller.

7. -In a carding engine, the combination of a feed roller, a main cylinder, a first licker-in roller disposed adjacent said feed roller, a second licker-in roller disposed between said first licker-in roller and said main cylinder, said second licker-in roller directly cooperating with said first licker-in roller and with said main cylinder, a transfer roller directly cooperating with said two licker-i-n' rollers, whereby said transfer roller forms a tiangle with said licker-in rollers, a top fiat cooperating with said cylinder and a stripping roller cooperating with said top flat and with said transfer roller, said licker-in rollers being mounted for rotation in a direction opposite to that of said cylinder, said transfer roller being mounted for rotation in the same direction as said cylinder, said transfer roller and said two licker-in rollers each being provided with garnett wire, the direction of the garnett wire of said transfer roller being opposite to that of said two licker-in rollers, said top flat being mounted to rotate in the same direction as said cylinder and said stripping roller being mounted to rotate in a direction opposite to that of said transfer roller, said rollers and said cylinder being rotatable so that the peripheral speed of said transfer roller is greater than that of the first licker-in roller and slower than that of the second licker-in roller, and

the peripheral speed of said cylinder is greater than that of said second licker-in roller.

References Cited in the file of this patent UNITED STATES PATENTS 1,103,649 Bates July 14, 1914 1,380,022 Rooney May 31, 1921 1,441,850 Hamilton Jan. 9, 1923 2,600,969 Clapperton June 17, 1952 FOREIGN PATENTS I 6,701 Great Britain of 1889 23,584 Great Britain of 1909 11,050 Germany Mar. 21, 1880

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