JPS6018467Y2 - Heat treatment equipment for synthetic fiber tow - Google Patents

Description

[Detailed description of the invention] This invention is a device in which synthetic fiber tow is placed on a conveyor and transferred to a horizontal dryer or heating machine that generates an air flow to continuously dry or heat treat it. Regarding.

Generally, synthetic fiber tow is fed to a crimping device after stretching and crimped, and then continuously loaded onto a conveyor via a J-type chute, etc., and sent to a heat treatment device that circulates heated gas. Drying 1. After being subjected to heat setting, etc., it is taken out from the other end and further transferred to the next process.

As shown in FIG. 1, such a heat treatment apparatus includes a number of partitioned heat treatment chambers 2 provided across a conveyor 1.
A conveyor-type heat treatment device that generates an aeration circulation flow A, or a so-called band-type or tunnel-type dryer, is usually used. After being transported through heat treatment such as drying, heat setting, and cooling in each heat treatment chamber 2, it is taken out from the rear end.However, recently, production conditions have changed due to the production of multiple brands or products in small quantities. As the tows are frequently changed, the placement of the stand-shaped tows placed on the conveyor also changes, resulting in the following problems.

That is, when tows T from two processes are placed in parallel on a conveyor and heat-treated at the same time, the two sets of placed tows T are shown in a cross section perpendicular to the direction of movement of the conveyor 1 as shown in FIG. A gap 3 in between or a gap 3' in which no tow T is loaded is created between the tow T and both ends of the conveyor 1.

When the tow T is transferred to the heat treatment chamber 2 in this state, the ventilation flow in the heat treatment chamber 2 mainly passes through the gap 3 which has relatively low resistance, which may reduce the heat treatment efficiency of the tow T or cause heat treatment spots. A problem has arisen.

The present invention was developed in view of this problem, and is a device in which synthetic fiber tow is continuously placed on a conveyor, transferred into the main body of a horizontal band type or tunnel type dryer, and heat-treated with a hot air flow. The dryer is characterized in that a regulating body for blocking part of the ventilation flow is provided inside the dryer body along the conveyor and just above the conveyor, and the regulating body is installed so as to be adjustable in the width direction of the conveyor. .

Hereinafter, the present invention will be explained based on the drawings.

3 and 4 are schematic longitudinal and cross-sectional views showing an embodiment of the present invention, and FIG. 5 is an enlarged perspective view of section A in FIG. 4.

In the figure, 11 is an endless wire mesh or perforated plate 12, and a sprocket 13 for moving this.
．． 14, etc., and the conveyor 11 is arranged to pass through the dryer main body 15, which consists of a large number of heat treatment chambers 17 partitioned by partition plates 16.

A heater 18 is installed in the heat treatment chamber 17 from above. Rectifying plate 19 made of a porous plate. A filter 20 is arranged, a side plate 21 and a circulation fan 22 are provided on the side,
A wire mesh 12a located above the conveyor 11 is configured to run below the current plate 19 with the tow placed thereon.

Reference numeral 23 denotes regulating bodies provided in the dryer main body 15 along the conveyor 11, that is, on both ends of the wire mesh 12a located above, and located on both ends of the wire mesh 12a to block the ventilation flow circulating from above. It restricts people from passing through the area.

This regulating body 23 consists of an upper surface 24 that slopes downward toward the center of the conveyor, a side surface 25 that extends downward following the upper surface 24, and a folding surface 26 that is close to the conveyor 11. A bracket 27 is fixed.

A long hole 28 is bored in the bracket in the width direction of the conveyor 11, and a bolt 2 hanging from the current plate 19 is inserted into the long hole 28.
9 is inserted and fixed by a nut 30'&, thereby suspending the regulating body 23.

The bolts 29 are fixed to the current plate 19 with nuts 31.

Therefore, the regulating body 23 has a long hole 28. It is attached movably in the width direction and up and down direction of the conveyor 11 by bolts 29 and 30.

Reference numeral 32 denotes a partition body disposed at the center of the width direction of the conveyor 11, which is suspended from the rectifying plate 19 via bolts 33 like the regulator body 23, and has the same effect as the regulator body 23.
This is not necessarily required.

In a heat treatment apparatus having such a configuration, for example, when two series of tows are loaded and transferred in a forest shape on a conveyor via a J-type chute (not shown) as shown in FIG. Since the tow is not placed in the center and a gap is created, hot air flows through the gap, resulting in poor drying or thermal efficiency. However, in the present invention, as described above, the regulating body 23 or the partition body 32 is used to fill these gaps. Because there is a tow T
moves between these, and therefore the hot air flows almost like a forest tow T
The heat passes through the entire surface uniformly, greatly improving thermal efficiency and eliminating heating spots.

Here, since the regulating body 23 is fixed so as to be movable in the width direction of the conveyor 11, it is optimally adjusted according to the stand width W of the tows T to be supplied, and therefore even if the stand width changes due to a change in brand, etc. This can be accommodated.

Note that, as shown in FIG. 6, the partition body 32 may be fixed and adjustable so as to be movable in the width direction of the conveyor 11, similarly to the regulation body 23.

Furthermore, as shown in FIG. 7, the regulating body 23 may be provided with a slidable plate-like member 23', or the plate-like member 23' may be used alone or in combination with the regulating body 23 itself to be extendable in the width direction of the conveyor.

Further, as shown in FIG. 8, the partition 32 may be removed depending on the width of the forest.

In this embodiment, the regulating body 23 and the partition plate 32 are arranged inside the dryer main body 15, but it goes without saying that they may extend outside the main body 15.

Further, it is preferable that the regulating body 23 and the partitioning body 32 be inclined as shown in FIG. 4 so that the hot air is dispersed toward the toe side, but the present invention is not limited thereto.

As explained above, according to the present invention, the regulating body is provided along both ends of the conveyor and is movably fixed in the width direction, so that the gap between both ends of the conveyor is blocked according to the tows to be supplied. This greatly improves the efficiency of heat treatment of tow and enables homogeneous heat treatment, which is extremely effective in terms of product quality, energy saving, and cost.

[Brief explanation of drawings]

1 and 2 are schematic vertical and horizontal sectional views showing a conventional embodiment, FIGS. 3 and 4 are schematic vertical and horizontal sectional views showing an embodiment of the present invention, and FIG. is an enlarged perspective view of section A in FIG. 4, and FIGS. 6 to 8 are schematic diagrams showing other embodiments. 11... Conveyor, 15... Dryer main body, 17... Heat treatment chamber, 23... Regulation body, 27... Bracket, 28 ...Long hole, 32...Partition body.

Claims (1)

[Claims for Utility Model Registration] 1. Drying in an apparatus in which synthetic fiber tow is continuously placed on a conveyor, transferred to a horizontal band type or tunnel type dryer, and heat-treated with a hot air flow. A heat treatment device for synthetic fiber tow, characterized in that a regulating body for blocking part of the ventilation flow is provided in the machine body directly above the conveyor along the conveyor, and the regulating body is attached so as to be adjustable in the width direction of the conveyor. . 2. The heat treatment apparatus for synthetic fiber tow according to claim 1, wherein the regulating body is located directly above both measuring sections of the conveyor.