JPH081439Y2 - Cloth drying equipment - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drying device for continuously drying a long fabric with hot air.

[0002]

2. Description of the Related Art As a cloth drying device, endless perforated conveyors composed of nets, perforated plates, etc. are arranged in a plurality of upper and lower stages, and the rotation directions thereof are opposite to each other, and they are vertically adjacent to each other. It is known that hot air is blown to both upper and lower surfaces of the cloth while the cloth is sandwiched between the perforated conveyors (see Japanese Patent Laid-Open No. 59-107182). In this drying device, a long fabric is supplied onto one end of the second-stage multi-pass conveyor from the top, and this fabric is sandwiched between the first-stage and second-stage multi-pass conveyors and transferred to the other end.
The other end of the second-stage multi-passive conveyor drops onto the other end of the third-stage multi-passive conveyor, and then it is sandwiched between the second- and third-stage multi-passive conveyors and transferred to one end side. It drops from one end of the perforated conveyor of the second stage onto one end of the perforated conveyor of the fourth stage, and after repeating this to reach the other end of the perforated conveyor of the lowest stage, it is sent to the next step.

[0003]

In the above-mentioned conventional fabric drying apparatus, there is no one for controlling the fabric falling from the end of the upper side multi-stage conveyor to the end of the lower side multi-stage conveyor. Just before the fabric falls from the upper side multi-stage conveyor, it is blown by the hot air blown from above and below and bulges in the length direction of the multi-stage conveyor, or shifts in the width direction, so that the transfer to the lower side multi-stage conveyor does not occur. Inaccurately, and the above-mentioned multi-layer conveyor is covered with a drying chamber leaving a part thereof, but there is a problem that the cloth comes into contact with the inner surface of the chamber or the chain at the edge of the multi-layer conveyor to be soiled. there were.

[0004]

The present invention controls the fabric falling from the end of the upper multi-stage conveyor to the end of the lower multi-stage conveyor to limit the fabric from bulging or shifting in the width direction. Ru der as to prevent fouling.

In the cloth drying apparatus according to the present invention, endless multi-pass conveyors composed of nets, perforated plates, etc. are arranged in a plurality of upper and lower stages, and the rotation directions thereof are opposite to each other. The cloth fed to one end of the second-stage multi-pass conveyor is sandwiched between the first-stage and second-stage multi-pass conveyors and transferred to the other end side, and the third-stage multi-pass from the other end of the second-stage multi-pass conveyor. Drop it on the other end of the conveyor,
While sandwiching between the multi-stage multi-stage conveyors, transferred to one end side, dropped from one end of the third-stage multi-stage conveyor onto one end of the fourth-stage multi-stage conveyor, and repeating the following, while transferring the above cloth, the drying apparatus of the fabric which is adapted to blow hot air to the upper and lower surfaces of the fabric, towards the fabric facing the upper end of the upper and lower perforated conveyor adjacent falling the lower end portion from the upper end wherein the substantially horizontally it was only set the hot air nozzles for blowing hot air Te.

[0007]

[0008]

[Function] For the cloth falling from the upper end of the adjacent upper and lower multi-layer conveyors to the lower end thereof ,
Because hot air is blown almost horizontally from the opposite position ,
The above-mentioned cloth is pushed toward the end rollers of the upper side multi-hole conveyor, and the expansion of the cloth is suppressed. Therefore, the above fabric smoothly falls to the end of the lower stage multi-stage conveyor,
It is introduced between the lower stage multi-stage conveyor and the multi-stage conveyor below it without meandering as in the conventional case .
And since the cloth is dried by the hot air,
Drying efficiency is improved.

[0009]

[0010]

1 is a chamber for drying, which is formed in a box shape elongated in the front-rear direction. Inside this chamber 10, there are endless multi-hole conveyors 11, 12, 13,
14, 15, 16 are arranged in multiple stages. However, the even-numbered multi-stage conveyors 12, 14, 16 are arranged in a zigzag pattern so as to be positioned forward (to the left in the figure) with respect to the odd-numbered multi-stage conveyors 11, 13, 15 from the top,
Further, a small gap is formed between the upper and lower multi-pass conveyors 11 and 12, which are adjacent to each other, 12 and 13, 13 and 14, 14 and 15, and 16 respectively. Then, the multi-stage conveyors 11, 13, 15 of the odd-numbered stages are driven counterclockwise, and the multi-stage conveyors 12, 14, 16 of the even-numbered stages are driven clockwise.

The multi-pass conveyors 11 to 16 are
A net woven with a synthetic fiber yarn such as polyester or polyamide or a wire made of stainless steel is wound between the drive roller 17 and the driven roller 18, and rollers are abutted on both ears of the net. Further, a pair of left and right drive sprockets are provided instead of the drive rollers, and a pair of left and right driven sprockets are provided instead of the driven rollers, and the left and right endless chains wound between the drive sprockets and the driven sprockets are spaced at predetermined intervals. A support rod may be spanned and a net may be stretched over this support rod. Further, as described in JP-A-59-107182, rectangular perforated plates can be formed by connecting a pair of left and right endless chains.

Hot air ducts 19, 20 and 21 are provided between the upper and lower traveling portions of the multi-hole conveyors 11 to 16, respectively. However, the hot air duct 19 provided in the uppermost multi-stage conveyor 11 has a hot air outlet only in the downward direction.
The hot air ducts 20 provided on the multistage conveyors 12 to 15 on the fifth to fifth stages have hot air outlets both upward and downward, and the hot air ducts 21 provided on the multistage conveyor 16 on the lowermost stage blow hot air only upward. Have a mouth The hot air outlets are provided between the vertically adjacent multi-hole conveyors 11 and 12, 12, 13 and 13, 14 and 14,
Between 15 and between 15 and 16, the hot air outlets in the upper stage and the hot air outlets in the lower stage are arranged in a staggered manner.

The driving roller 17 of the uppermost multi-stage conveyor 11 and the driven roller 1 of the second multi-stage conveyor 12
A hot air jet nozzle 22 is provided so as to face each of the drive roller 17 of the eighth and third stages of the multi-pass conveyor 13 and the driven roller 18 of the fourth stage of the multi-pass conveyor 14 and the drive roller 17 of the fifth stage of the multi-pass conveyor 15. , The outlet of the drive roller 17 or the driven roller 1 as shown by the arrow.
Pointed at 8. However, in this embodiment, the hot air outlet of the uppermost stage is directed slightly downward, and the remaining second to fifth stages
The hot air outlet of the stage is oriented almost horizontally.

The introduction port 10a of the fabric F is opened in the form of a thin slit in the front part of the ceiling of the chamber 10, that is, in the middle upper part of the driving roller 17 and the hot air duct 22 of the uppermost multi-stage conveyor 11, and above and below it. A pair of supply rollers 23 is provided. Further, the outlet port 10b of the cloth F is opened in the form of a thin slit in the lower portion of the rear wall of the chamber 10, that is, at substantially the same height as the upper surface of the lowermost multi-stage conveyor 16, and a pair of upper and lower delivery ports are provided behind the outlet port 10b. A roller 24 is provided.

In the above structure, the long fabric F is supplied into the chamber 10 from the inlet 10a via the supply roller 23, and the hot air blown from the hot air jet nozzle 22 on the one end side of the uppermost stage drives the uppermost drive roller. While being pushed toward the bottom of 17, it drops onto the upper surface of the second-stage multi-stage conveyor 12,
With the rotation of the multi-hole conveyors 11-16, the topmost stage and 2
It is lightly sandwiched between the multistage conveyors 11 and 12 of the stage and advances to the other end side, and is dried by the hot air blown from the upper and lower hot air ducts 19 and 20 therebetween. Then, from the other end of the second-stage multi-pass conveyor 12 to the other end of the third-stage multi-pass conveyor 13,
The hot air blown out from the hot air jet nozzle 22 on the other end side of the second stage pushes the driven roller 18 side of the second stage to drop while the bulge is limited.

Next, it is sandwiched between the second-stage and third-stage multi-passive conveyors 12 and 13 and advances toward one end, while being dried by hot air in the same manner as described above, the third-stage multi-passive conveyor 13 from the fourth end to the fourth stage. It drops on one end of the multi-hole conveyor 14 in the same manner as above. Below, the third and fourth multi-stage conveyors 13,
Between 14th, 4th and 5th multi-stage conveyors 14, 15 and between 5th and 6th (lowermost) multistage conveyors 15, 1
6 are sequentially sandwiched and proceed in a zigzag shape, while being dried by the hot air blown out from the hot air ducts 20 and 21 in the same manner as above, the outlet 10b is provided from the other end of the lowermost perforated conveyor 16.
Is fed to the outside of the chamber 10 through the delivery roller 2
In step 4, it is sent to the next process.

[0017]

According to the invention as set forth in claim 1, hot air is blown substantially horizontally from the facing position of the upper stage multi-stage conveyor toward the cloth falling from the upper stage side of the vertically adjacent multi-stage conveyor to the lower stage side. since the one in which the upper and lower porous
Up or down for the fabric that is sandwiched between the conveyors
The swelling of the above-mentioned cloth, which was generated by the hot air blown from the bottom of the cloth, is smoothly dropped onto the end of the lower-side porous conveyor, and the lower-side perforation does not meander as in the conventional case. It is introduced between the conveyor and the multi-pass conveyor below it. Therefore, unlike the conventional case, the above-mentioned cloth does not come into contact with the inner wall of the chamber or the conveyor chain to be contaminated. Then, since the cloth is also dried by the hot air in the horizontal direction, the drying efficiency is improved.

[0018]

[Brief description of drawings]

FIG. 1 is a vertical sectional view of an embodiment of the present invention.

[Explanation of symbols]

 F: cloth 10: chamber for drying 10a: inlet for cloth 10b: outlet for cloth 11, 12, 13, 14, 15, 16: perforated conveyor 17: drive roller 18: driven roller 19, 20, 21: hot air duct 22: Hot air jet nozzle 23: Supply roller 24: Sending roller

Claims (1)

[Scope of utility model registration request] 1. An endless multi-pass conveyor comprising a net, a perforated plate and the like is arranged in a plurality of upper and lower stages, and the rotation directions thereof are opposite to each other, and one end of the second-stage multi-pass conveyor from the top. The fabric supplied above is sandwiched between the first and second perforated conveyors and transferred to the other end side, and dropped from the other end of the second perforated conveyor to the other end of the third perforated conveyor. ,
This cloth is sandwiched between the second and third perforated conveyors, transferred to one end side, dropped from one end of the third perforated conveyor onto one end of the fourth perforated conveyor, and so on. while transferring the fabric to the drying apparatus of the fabric as blowing hot air to the upper and lower surfaces of the fabric, the lower side from the upper end opposite the upper end of the upper and lower perforated conveyor adjacent drying device of a fabric, wherein the setting digit the hot air nozzle for blowing substantially horizontally hot air toward the fabric falls on the end.