JPS61160427A - Dust removing apparatus for removing seed skin or trash in card or cotton comber - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application> The present invention is for use in carding or carding machines, and relates to a blade which is arranged above a dolpher and maintains a small gap from the drum in the direction of rotation of the drum; The present invention relates to a dust removal device for removing trash, rice hulls, etc., including a plate that maintains a circumferential spacing from the drum and a slight spacing from the drum in the radial direction, and a suction chamber that covers the gap between the plate and the blade.

BACKGROUND OF THE INVENTION In a known device, a shaped part 5 is provided whose radially forward face is chamfered and on which is fitted a blade whose distance from the drum clothing is adjustable. The housing part is part of this profile and surrounds a circular cavity which acts as a suction chamber.

A seat cover is screwed onto the free end of the housing part, and is configured such that the seat cover extends up to the plate and, together with the blades, defines a suction passage bounded by the blades and the gap between the blades.

<Problems to be Solved by the Invention> An object of the present invention is to provide a device that can avoid the above-mentioned drawbacks and has a particularly simple structure.

Means for Solving the Problems This object is achieved by a dust removal device characterized in that a blade and a suction chamber are integrated.

By integrally configuring the blade and the suction chamber, the structure of the device can be extremely simplified. This is a particularly noteworthy advantage in terms of construction technology. Moreover, the constructional technique of integrating the blade and the suction chamber allows the device to combine both dust removal and suction functions and is extremely simple to operate.

Preferably, the suction chamber is constructed of sheet metal which is curved so that one long side is formed as a blade, leaving an open gap between the long sides. Preferably, the blades are perpendicular to the boundary wall. This L-shaped configuration increases radial deflection resistance. Preferably, the cross section of the suction chamber including the blade is rectangular or square. In another preferred embodiment, the suction chamber consists of a tube. The tube is a commercially available material, and the gap is formed by a simple slot in the tube wall. Preferably, the distance of the suction chamber including the blade relative to the drum clothing is adjustable.

<Embodiments> The present invention will be described in detail below based on embodiments shown in the accompanying drawings.

FIG. 1 shows a feed roller 1, a take-in roller 2, a drum 3, a dosing roller 4, a stripper roller 5, squeeze rollers 6 and 7, a freeze guide element 8, a trumpet 9,
A carding machine is shown consisting of a rotary flat 12 including take-up rollers 10, 111 and a front flat guide roller 12m and a rear flat guide roller 12b. A dust removal device 13, shown in detail in FIG. 2, is arranged between the docker 4 and the front flat guide roller 12a. The device 13 is located behind the stationary carding element 14.

As is clear from FIG. 2, the device 13 includes a blade 15 and a suction chamber 16 which are integrally constructed. The blade 15 moves in the direction of rotation of the drum 3 (arrow)
They are placed at a small distance from a. The blade 15 also maintains a distance a in the circumferential direction from the blade near which is located in front of the blade 15 and maintains a small distance from the drum 3 or its clothing 3a, for example from 3 to 5 ml+. 1 between blade 17 and blade 15! A suction chamber 16 covers Jt-. A gap is left between the long sides 16a and 15m of the suction chamber 16, and one long side 15
It consists of a sheet metal curved so that a is formed as a blade 15. The blade 15 is perpendicular to the boundary wall 16b of the suction chamber 16.

The cross section of the suction chamber 16 containing the blade 15 is approximately square. The device 13 has a fixed carding element 14a attached thereto.
Located behind y14b. A discharge port 18 is provided at one end of the suction chamber 16 (FIG. 3) and is connected to a low pressure source (not shown). Dust enters and is discharged from the discharge port 18.

In the case of FIG. 3, an air supply port 19 for supplying air from the outside (arrow) to the other end of the suction chamber 16 faces the discharge port 18. The device 13 connects to the extension 21a (which is an extension of the flexible bend) of the carding machine via the lateral projections 20 m +20b.
, 21b. The projecting pieces 20m and 20b are provided with long holes 22a and 22b, and the long holes are hollowed out) 23
Insert the mounting screws including a r 23 b. Therefore,
the distance of the device 13 relative to the drum 3 or its clothing 3a;
That is, the distance of the suction chamber 16 can be adjusted.

FIG. 4 shows an embodiment in which the suction chamber 16 containing the blade 15 is formed of a tube. The entry of dust into the suction chamber 16 is indicated by an arrow.

[Brief explanation of the drawing]

Fig. 1 is a side view schematically showing a carding machine incorporating the device of the present invention, Fig. 2 is a sectional view of the device of the invention having an angular cross-sectional shape, and Fig. 3 is a carding machine incorporating the device of the present invention. FIG. 4 is a cross-sectional view schematically showing an embodiment of the apparatus of the present invention having a circular cross section. 3...Drum, 3&...Clothing, 15...Blade, 15m...Long side, 16...Suction chamber, 161
...Boundary wall surface, 17...Blade, 17m...Long side, a...Gap.

Claims (1)

[Claims] 1. For use in a carding or carding machine, a blade disposed above a doffer and keeping a small distance from the drum in the direction of rotation of the drum; and a blade keeping a distance from the blade in the circumferential direction; A blade (15) and a suction chamber (16) in a dust removal device for removing trash, seed coats, etc., comprising a plate keeping a small radial distance from the drum, said blade and a suction chamber overlying the gap between said blades. A dust removal device characterized by being integrally configured. 2. Leave a gap between the suction chamber (16) and the long sides (15a, 17a), and attach one long side (15a) to the blade (15
2. Device according to claim 1, characterized in that it consists of a sheet metal sheet which is curved so as to form a. 3. Device according to claim 1 or 2, characterized in that the blade (15) is at right angles to the boundary wall (16b). 4. Device according to one of claims 1 to 3, characterized in that the suction chamber (16) containing the blade (15) has a rectangular or square cross section. 5. Device according to one of claims 1 to 4, characterized in that the suction chamber (16) containing the blade (15) consists of a tube. 6. Any one of claims 1 to 5, characterized in that the distance of the suction chamber (16) containing the blade (15) to the drum (3) is adjustable.
The equipment described in section. 7. Claims 1 to 6 characterized in that an elongated air supply gap (b) spanning the entire width of the suction chamber (16) is formed between the edge (16a) and the plate (17).
The device according to any one of the preceding paragraphs. 8. The elongated gap (b) is adjusted by the gate (24) (
c) Device according to any one of claims 1 to 7, characterized in that it is capable of: