JPS588129A - Sucking and removing method of waste fiber in textile machine - Google Patents

Abstract

PURPOSE:To remove waste fibers with certainty and prevent the occurrence of mechanical accidents, by sucking and removing the waste fibers through suction nozzles provided near shaft openings of a textile machine with a sucking force increased at an interval of a given time. CONSTITUTION:Suction nozzles 5 are provided near the respective shaft openings 12, and waste fibers passing through the shaft openings 12 to the outside of the macnine are sucked and removed. The opening and closing of a solenoid valve 8 is controlled by a controlling apparatus 9 containing a timer, etc. If the waste fibers are partially stuck to and accumulated in the tip openings of the nozzles 5 in applying a low sucking pressure to the respective sucking nozzles 5, materials stuck to the nozzles 5 are powerfully sucked to the nozzles 5 by a variation in pressure and a high pressure to prevent the accumulation of the waste fibers.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for suctioning and removing fiber waste exiting from a shaft opening in a textile machine such as a carding machine.

For example, in a spinning factory, fibers (wraps) that have gone through various processes such as opening, blending, and batting are passed through a carding machine by a conveyor α0.
1), where it is carded into string-like slivers (Figure 1).

This carding machine (1) has a comb c! A number of rollers (3) each having a similar comb cill on the curvature are arranged around the outer periphery of a drum (2) having 1), and carding is performed between the drum (2) and each roller (3). When rubbing, foreign matter contained in the plastic wrap, fiber waste such as rectangular fibers (referred to as "fly" in field terminology)
It is intended to remove. The mounting shaft (2) of the roller (3)
), as shown in Figure 2, protrudes outside the machine from the shaft opening of the side cover (Ill), and the shaft end is supported by a bearing (4). It comes out of the machine through the opening d, and in the gap 0 between the cover (Ill and the bearing (4)), it adheres to or becomes entangled with the circumferential surface of the mounting shaft □□□, and it gradually becomes coarse.

This obstructs the rotation of the mounting shaft and causes accidents such as burnout of the bearing (4) due to friction.In each factory, the operation of the carding machine (1) is periodically stopped and the Work such as scraping off the fiber waste is being carried out.

The present invention proposes a new method for reliably removing the above-mentioned fiber waste, thereby preventing the occurrence of machine accidents, eliminating the need for scraping off fiber waste, reducing the burden on workers, and improving work efficiency. The purpose is to achieve improvement.

The present invention will be specifically described below based on embodiments shown in the drawings.

The method for removing fiber waste according to the present invention is, for example, as shown in FIG. This is to suction and remove the fiber waste that comes out of the machine through the opening. The distal end (51) of the suction nozzle (5) is formed into a conical shape with a slightly enlarged diameter, and a flexible tube (branch) is connected to the proximal end to communicate with the suction device (6).

FIG. 3 shows how each suction nozzle (5) and the suction device (6) are connected. The suction device (6) is Roots blower +6
11. A motor (consisting of ribs, etc.) is connected to a branch pipe (7) on the suction side of the blower, while each suction nozzle (5) has a solenoid valve (8) for each group (A, D). It is connected to the branch pipe (7) via the branch pipe (7).

The opening and closing of each electromagnetic valve (8) is controlled by a control device (9) including a timer and the like. That is, at all times, all solenoid valves (8) are opened simultaneously, and therefore all suction nozzles (5) are opened simultaneously.
Applying a negative suction pressure (P2) of about 1500 mAq to When the valve is closed, a negative suction pressure (Pl) of about 4000 mAq is applied to the nozzle (5) applied to the open valve (4th
Figures A-D).

However, all the solenoid valves (8) open and each suction nozzle (5)
When a low suction pressure (P2) is applied to the machine, most of the fiber waste coming out of the machine through the shaft opening U21 is sucked into the nozzle (5) and removed, but some is attached and deposited at the tip opening of the nozzle (5). In this way, when the suction pressure of the suction nozzle (5) changes and becomes high suction pressure (Pl), the deposits are strongly sucked into the nozzle (5) due to the pressure fluctuation and the high pressure, causing the accumulation of fiber waste. is to be prevented.

In addition, in the above, each suction nozzle (
5), the suction pressure of the suction device (6) is changed, but the present invention is not limited to this.
An appropriate method may be adopted depending on the situation.

As described above, the present invention disposes a suction nozzle close to the shaft opening of a textile machine and suctions and removes the fiber waste through the shaft opening, thereby preventing the fiber waste from adhering to or becoming tangled with the shaft circumferential surface. Moreover, since the suction force is increased at regular intervals and the suction force is changed, the fiber waste can be reliably removed without clogging the nozzle, and the occurrence of mechanical accidents can be completely suppressed. became possible. Therefore, there is no need to periodically stop the operation of the machine and scrape off fiber waste, thereby reducing the burden on the operator and improving work efficiency.

Furthermore, since a low suction pressure is always applied to the suction nozzle (5) and the suction pressure is increased at regular intervals, it has many excellent effects such as contributing to energy savings compared to the case where high pressure is applied all the time. .

[Brief explanation of the drawing]

Figure 1 is an explanatory diagram showing the carding process, Figure 2 is an enlarged diagram showing the positional relationship of the suction nozzle with respect to the shaft opening of the carding machine, and Figure 3 is an explanatory diagram showing the carding process.
The figure is an explanatory diagram showing the connection status between each suction nozzle (5) and the suction device (6), and FIG. 4 is an explanatory diagram showing the suction pressure acting on the suction nozzles for each group and its change. ~ d2...Shaft opening (5)...Suction nozzle patent applicant Morita Industries Co., Ltd. Diagram 2 Diagram//Yellow, 4' mouth

Claims (1)

[Claims] A method of disposing a suction nozzle close to a shaft opening in a textile machine to suction remove textile waste that comes out of the machine through the shaft opening, the method comprising constantly applying a constant suction force to the nozzle, and A method for suctioning and removing fiber waste in a textile machine, characterized by increasing the suction force at regular intervals to vary the suction force.