JP2006138022A - Roll finishing machine for washed material to be treated and the same method for roll finishing - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent wrinkles from forming even for a material to be treated (e.g. a hospital gown) having a change in thickness dimension and a great dimension of difference in level by using a washed and dehydrated cloth product as the material to be treated and improving the so-called roll finishing machine carrying out ironing. <P>SOLUTION: A first main roll 1 is equipped with press rolls 9. In conventional examples, thin and slender guide tapes (not shown) are stretched around the press rolls 9. Heat-resistant belts 13 for preventing the wrinkles having a great thickness (1-2 mm) and a great breadth (5-20 cm) are stretched in place of the guide tape. The material 8A to be treated is inserted between the first main roll 1 and the heat-resistant belts 13 for preventing the wrinkles as an arrow b to receive uniform surface pressure in the manner of the nearly whole surface. Thereby, the material 8A to be treated is subjected to the roll finishing without the wrinkles. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a roll finishing technique for business use, and more particularly, to a calendar type roll finishing machine improved so as not to cause wrinkling even for a workpiece having a large thickness difference, and to the same method.

FIG. 3 is a schematic front view showing a conventional example of a calendar type roll finishing machine, with an arrow indicating an operation direction.
This example has three main rolls. That is, it has the 1st main roll 1, the 2nd main roll 2, and the 3rd main roll 3, and each main roll is the 1st heat resistant belt 4, the 2nd heat resistant belt 5, and the 3rd heat resistant belt. 6 is wound (however, the number of main rolls installed is not limited to 3 and is generally 2 to 5).

The first main roll 1 is heated by supplying steam, and is driven to rotate clockwise (clockwise) as indicated by an additional arrow R.
The first heat-resistant belt 4 wound around this rotates counterclockwise (counterclockwise) as indicated by an arrow L.
The second main roll 2 and the third main roll 3 are rotationally driven counterclockwise as indicated by an additional arrow L, and the second heat resistant belt 5 and the third heat resistant belt 6 wound around these are respectively indicated by an additional arrow R. It is rotating clockwise.

After the washing and dehydration, the workpiece 8A before roll finishing is transported as indicated by an arrow a, and is inserted between the first main roll 1 and the compression roll 9 as indicated by an arrow b.
The detailed structure in the vicinity of the compression roll 9 will be described later with reference to FIG. 4. As a general rule, the object to be processed is pressed by the compression roll 9 to be wrinkled, and the high-temperature first main roll 1 is allowed to dry.
In this example, three compression rolls 9 are provided. The number of the compression rolls installed is generally 4-7.

4A and 4B show details of the conventional example shown in FIG. 3 described above. FIG. 4A is an enlarged view of the vicinity of the compression roll, and FIG. 4B is a cross section of the vicinity of the facing portion between the compression roll and the first main roll 1. FIG. 4C is an enlarged cross-sectional view of the compression roll.
(A) Referring to the figure, the workpiece inserted as indicated by arrow b advances to the position indicated by reference numeral 8C as the first main roll 1 rotates (arrow R) and is pressed by the compression roll 9. At the same time, it is heated by the first main roll 1. The BB cross section arrow of this figure is a (B) figure. The reference numeral 11 indicates an air cylinder that presses the compression roll 9 toward the first main roll 1.

The compression roll 9 has a structure in which a steel tube 9a is used as a core material, a spring 9b is provided around the steel roll 9a, and the outer periphery thereof is covered with a felt and corneck cloth 9c as shown in FIG. is there.
(A) Referring to the figure, the workpiece inserted as indicated by the arrow b does not advance to the position shown in FIG. 8C and does not move around the compression roll 9 as indicated by the arrow m. A tape 10 is provided and is wound around the compression roll 9.
The guide tape 10 does not need to be a particularly strong member because it is sufficient to prevent winding. The thickness dimension is about 0.3 mm, the width dimension is about 15 mm, and 15 to 30 are arranged with respect to the total length of the first main roll 1.

FIG. 5 is a view for explaining the state of an object to be processed during roll finishing, and (A) is a schematic diagram depicting a state in the middle of being rolled by a conventional roll finishing machine, (B). Is a schematic diagram depicting a state after being rolled by a conventional roll finishing machine, and (C) is a schematic diagram depicting a state in the middle of being rolled by one embodiment of the present invention.
JP-A-6-66596 JP 10-314499 A

As shown in FIGS. 3A and 3B, in the conventional example, the workpiece 8 </ b> C during the roll finishing is sandwiched between the first main roll 1 and the compression roll 9. For this reason, a linear compression line PL is generated as shown in FIG. Although it is not a geometric “thick line”, it is a narrow straight compression line.
When the workpiece 8C being finished with the roll is sent together with the first main roll 1 as indicated by the arrow f, the compression line PL is translated as indicated by the arrow r (relative to the workpiece 8C). To do.

For example, when the thickness dimensional change is large and there is a step, such as a collar of a sick clothes, wrinkles 12 are generated and remain on the collar as shown in FIG.
The present invention has been made in view of the circumstances described above, and the object is as follows.
An object of the present invention is to provide a roll finishing machine and a roll finishing method in which wrinkles are not generated even on a workpiece having a large thickness dimension change and a step.

The basic principle of the present invention created to achieve the above object will be briefly described in comparison with the conventional example (FIG. 3) with reference to FIG. 1 corresponding to the first embodiment. is there.
In the pressure roll 9 in the conventional example, there is no technical idea of “obtaining a wrinkle-free finish by pinching on a wide surface”, and an operation of rolling the heel with a roller has been added.
In the present invention, a measure is adopted in which a strong and flexible plate-like member is interposed between the compression roll 9 and the first main roll 1 to disperse the pressing force evenly and “press on the surface”.
The object to be processed pressed by the surface is formed into a flat shape and does not wrinkle.

As a specific configuration based on the above-described principle, the configuration of the invention according to claim 1 (see FIG. 1)
A heated main roll (1), a heat-resistant belt (4) wound around the main roll and rotated together, and installed in parallel with the main roll and pressed against the main roll to rotate together In a calendar type roll finishing machine having a compression roll (9)
A heat-resistant belt (13) for preventing wrinkles, which is sandwiched between the main roll (1) and the compression roll (9) and rotates together, is provided.

According to the first aspect of the present invention described above, the heat-resistant belt for preventing wrinkles is provided between the main roll and the compression roll. For this reason, the object to be processed receives the pressing force by the compression roll with the heat-resistant belt for preventing wrinkles interposed. Since this heat-resistant belt is a flexible and durable plate-like (sheet-like) member, the pressing force of the compression roll is dispersed to achieve a uniform surface pressure.
The object to be processed during the roll finishing is formed into a flat shape by the uniform surface pressure and does not wrinkle.

The configuration of the invention according to claim 2 is in addition to the configuration requirements of the invention of claim 1 (see figure ◎).
A plurality of main rolls (1, 2, 3) are provided, and a heat resistant belt (4, 5, 6) is wound around each of the main rolls,
In addition, the first contact with the compression roll (9) in which "the workpiece (8A) before roll finishing sent to the roll finishing machine" is located "near the place where it first contacts the main roll". The heat-resistant belt (13) for preventing wrinkles is sandwiched between the main rolls.

According to the invention of claim 2 described above, the wrinkles are stretched in the first stage of the roll finishing operation.
That is, for example, in a roll machine having three main rolls, the object to be processed is stretched stepwise, dried and sequentially finished. It is stretched almost completely in the process. It proceeds while being dried in this fully stretched form, and when the drying is finished, the roll finish is completed.
The workpiece once stretched completely does not wrinkle during drying. In this way, the generation of wrinkles is completely prevented.

The configuration of the invention method according to claim 3 is as follows (see FIG. 1): a main roll (1) that is heated and rotated, a heat-resistant belt (4) that is wound around the main roll and rotates together, and the main roll In a method of rolling a “washed and dehydrated article” using a calendar-type roll finisher having a pressing roll (9) that is pressed in parallel with the main roll and rotates together. ,
Wrapping a heat-resistant belt (13) for preventing wrinkles around the compression roll (9) and rotating together,
Between the main roll (1) and the heat-resistant belt (13) for preventing wrinkles, an object (8A) that has been washed and dehydrated is inserted (arrow b),
The object to be treated is sandwiched between the heat-resistant belt (13) for preventing wrinkles and the main roll (1),
A pressing force is applied by the compression roll (9) to prevent the generation of wrinkles.

According to the method of the invention of claim 3 described above, the object to be treated that has been washed and dewatered is made up of “a heat-resistant belt that is a flexible and strong member” and “a first main roll that is a member that is smooth at high temperature”. Since it is sandwiched between them and the pressing force of the compression roll is applied, the roll is finished without causing wrinkles.
The invention method of claim 3 can be carried out easily and reliably when the roll finishing machine according to claim 1 is used.

The configuration of the inventive method according to claim 4 is in addition to the configuration requirements of the inventive method of claim 3.
(Refer to FIG. 1) The pressure roll (9) around which the heat-resistant belt (13) for preventing wrinkles is wound can be used regardless of the number of main rolls installed in the roll finisher. The compression roll facing the main roll
And the arrangement | positioning position of the said compression roll (9) is set to the vicinity of "the location where the sent to-be-processed object contacts a main roll first".

According to the method of the invention of claim 4 described above, the workpiece to be processed while being pressed against the heated main roll and gradually dried is still in a state where it contains a relatively large amount of water in the first step. Wrinkles are stretched.
Since the object to be processed, which has been subjected to the roll finishing after washing and dehydration, is first wrinkled and pressed against the first main roll, there is no possibility that wrinkles will occur during the subsequent drying.
As a result of the inventor's many years of experience and numerous research experiments, it has been confirmed that it is effective to apply surface pressure at the beginning of the roll finishing process.

The configuration of the inventive method according to claim 5 is in addition to the configuration requirements of the inventive method of claim 3 or claim 4 (see FIG. 1 and FIG. 3 together).
When finishing multiple types of washed and dehydrated workpieces,
When roll finishing a normal workpiece, remove the wrinkle-preventing heat-resistant belt (13) wound around the compression roll (9) and replace it with a normal guide tape (10).
When finishing a workpiece having a step of varying thickness, remove the guide tape (10) wound around the compression roll (9) and replace it with a heat-resistant belt (13) for preventing wrinkles. It is characterized by.

  According to the method of the invention of claim 5 described above, it is possible to perform the finishing operation for both normal laundry and laundry with a large step by using a single roll finishing machine, and the equipment cost is reduced. Is.

The structure of the invention which concerns on Claim 6 is installed in parallel with the main roll (1) heated and rotated, the heat-resistant belt (4) wound around this main roll, and rotating together, and the said main roll. In a calendar type roll finisher having a compression roll (9) that is pressed against the main roll and rotates together,
Means for supporting and guiding the guide tape (10) wound around the compression roll (9);
A means for supporting and guiding the heat-resistant belt (13) for preventing wrinkles wound around the compression roll (9) is provided,
The guide tape (10) and the heat-resistant belt (13) for preventing wrinkles can be attached and detached in accordance with the level difference in thickness of the laundered and dewatered roll finished workpiece. Features.

According to the invention of claim 6 described above, an ordinary workpiece having a small thickness dimension step can be specially provided with a large thickness dimension step by installing only one roll finishing machine, which is an expensive machine. The object to be processed can also be roll-finished without leaving wrinkles.
For this reason, equipment cost is reduced and it is economical.

According to the invention of claim 1, the heat-resistant belt for preventing wrinkles is provided between the main roll and the compression roll. For this reason, the object to be processed receives the pressing force by the compression roll with the heat-resistant belt for preventing wrinkles interposed. Since this heat-resistant belt is a flexible and durable plate-like (sheet-like) member, the pressing force of the compression roll is dispersed to achieve a uniform surface pressure.
The object to be processed during the roll finishing is formed into a flat shape by the uniform surface pressure and does not wrinkle.

According to the invention of claim 2, the wrinkles are stretched in the first stage of the roll finishing operation.
That is, for example, in a roll machine having three main rolls, the object to be processed is stretched stepwise, dried and sequentially finished. It is stretched almost completely in the process. It proceeds while being dried in this fully stretched form, and when the drying is finished, the roll finish is completed.
The workpiece once stretched completely does not wrinkle during drying. In this way, the generation of wrinkles is completely prevented.

According to the method of the invention of claim 3, the laundry / dehydrated object to be processed is sandwiched between “a heat-resistant belt that is a flexible and strong member” and “a first main roll that is a high-temperature and smooth member”, Since the pressing force of the compression roll is applied, the roll is finished without causing wrinkles.
The invention method of claim 3 can be carried out easily and reliably when the roll finishing machine according to claim 1 is used.

According to the method of the invention of claim 4, the workpiece to be finished while being pressed against the heated main roll and gradually dried is still wrinkled in the first step while still containing a relatively large amount of moisture. .
Since the object to be processed, which has been subjected to the roll finishing after washing and dehydration, is first wrinkled and pressed against the first main roll, there is no possibility that wrinkles will occur during the subsequent drying.
As a result of the inventor's many years of experience and numerous research experiments, it has been confirmed that it is effective to apply surface pressure at the beginning of the roll finishing process.

  According to the invention method of claim 5, it is possible to perform finishing operation for both normal laundry and laundry having a large step by using a single roll finishing machine, and the equipment cost is reduced.

According to the sixth aspect of the present invention, an ordinary workpiece having a small thickness dimension step or a special workpiece having a large thickness dimension step can be obtained by installing only one roll finishing machine, which is an expensive machine. The roll finish can be processed without leaving wrinkles.
For this reason, equipment cost is reduced and it is economical.

FIG. 1 is a schematic front view showing a roll finishing machine according to an embodiment of the present invention, with arrows indicating operation.
In this embodiment, the present invention is applied to the conventional roll finishing machine shown in FIG. 3 and improved.
In FIG. 1, the same reference numerals as those in FIG. 3 denote the same or similar components as in the conventional example.
Next, FIG. 1 (embodiment) is different from FIG. 3 (conventional example), that is, items improved by applying the present invention will be extracted and described.

Means (guide roller 14) for supporting and guiding wrinkle-preventing heat-resistant belts 13 around four compression rolls 9 arranged at locations where the first main roll 1 faces the feed conveyor 7 Is provided.
The wrinkle-preventing heat-resistant belt 13 is a member similar to the first heat-resistant belt 4 to the third heat-resistant belt 6 as a single product, and forms an endless ring having a thickness dimension of 1 to 2 mm and a width dimension of 50 to 200 mm. Yes.
The material is a known heat-resistant belt material.

FIG. 2 is an enlarged detail view showing the vicinity of the compression roll in the embodiment shown in FIG. 1, and FIG. 2A shows a part of the first main roll, a heat-resistant belt for preventing wrinkles, and the compression roll. (B) is the figure which added the air cylinder for a compression roll drive to the typical side view.
As can be understood from FIG. 2B, a large number of heat-resistant belts 13 for preventing wrinkles are arranged close to each other. This arrangement body corresponds to a compression area Pe in FIG.

(See FIG. 5) (A) and (B) in this figure have already been described (paragraph numbers 0007 to 0009). The effect of the present invention on the workpiece 8C in the middle of roll finishing is shown in FIG.
As described above with reference to FIG. 2B, the wide (5 to 20 cm) wrinkle-preventing heat-resistant belts 13 are arranged close to each other, so that the wide (as shown in FIG. 5C) A compression area Pe of 5 to 20 cm) is formed.

When the workpiece 8C during the roll finishing moves as indicated by the arrow f along with the rotation of the first main roll, a large number of compression areas Pe expand as indicated by the arrow r, and the workpiece 8C during the roll finishing is almost the same as the workpiece 8C being rolled. Cover and press everything.
Immediately after finishing washing and dehydration, the object 8C still having a high water content is entirely pressed by the heated first main roll by the compression area Pe without wrinkling (because it is pressed all over). ), Shaped into a flat plate and dried.

(See FIG. 1 and FIG. 3 together.) The guide roller 14 shown in FIG. 1 is appropriately configured so that the guide tape 10 and the heat-resistant belt 13 for preventing wrinkles can be attached and detached. By changing according to the properties of the workpiece (change in thickness dimension, size of step size)
Specifically, when a normal object to be processed, the heat-resistant belt 13 for preventing wrinkles is replaced with a guide tape 10,
When the object to be processed has a large step size (for example, sick clothes), the guide tape 10 is replaced with a heat-resistant belt 13 for preventing wrinkles,
With a single roll finishing machine, both normal workpieces and special workpieces with large step sizes can be finished without leaving wrinkles.
According to such a configuration, only one roll finishing machine, which is an expensive device, can be provided to perform roll finishing of various objects to be processed, so that the equipment cost can be reduced and it is very economical. is there.

The typical front view which added the arrow which shows the roll finishing machine which concerns on one Embodiment of this invention, and showed operation | movement. In the embodiment shown in FIG. 1 described above, an enlarged detail drawing showing the vicinity of the compression roll is shown. (A) is a schematic view of a part of the first main roll, a heat-resistant belt for preventing wrinkles, and the compression roll. (B) is a schematic side view of the air cylinder for driving the compression roll. A schematic front view showing a conventional example of a calendar type roll finishing machine with an arrow indicating the direction of operation. 3 shows details of the conventional example shown in FIG. 3, (A) is an enlarged view of the vicinity of the compression roll, (B) is a cross-sectional view of the vicinity of the facing portion of the compression roll and the first main roll 1, (C ) Is an enlarged cross-sectional view of the compression roll It is shown in order to explain the state of the workpiece during roll finishing, (A) is a schematic diagram depicting the state in the middle of being rolled by a conventional roll finishing machine, (B) is a conventional example Schematic drawing depicting the state after being rolled by the roll finisher, (C) is a schematic drawing depicting the state in the middle of being rolled by one embodiment of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... 1st main roll 2 ... 2nd main roll 3 ... 3rd main roll 4 ... 1st heat resistant belt 5 ... 2nd heat resistant belt 6 ... 3rd heat resistant belt 7 ... Feeding conveyor 8 ... To-be-processed object
8a: Workpiece before roll finishing
8b: Roll finished workpiece
8c: Workpiece being rolled
9 ... Pressure low 9
9a ... Steel pipe
9b ... Spring
9c ... cloth
10 ... Guide tape
11 ... Air cylinder
12 ... Wrinkles
13 ... Heat-resistant belt for preventing wrinkles

Claims (6)

A heated main roll (1), a heat-resistant belt (4) wound around the main roll and rotated together, and installed in parallel with the main roll and pressed against the main roll to rotate together In a calendar type roll finishing machine having a compression roll (9)
A roll finisher comprising a heat-resistant belt (13) for preventing wrinkles, which is sandwiched between the main roll (1) and the compression roll (9) and rotates together. A plurality of main rolls (1, 2, 3) are provided, and a heat resistant belt (4, 5, 6) is wound around each of the main rolls,
And the compression roll (9) in which "the object to be processed (8A) before roll finishing sent to the roll finishing machine (8A)" is located "near the place where it first contacts the main roll";
The first main roll in contact;
The roll finisher according to claim 1, wherein the heat-resistant belt (13) for preventing wrinkles is sandwiched between the two. A heated main roll (1), a heat-resistant belt (4) wound around the main roll and rotated together, and installed in parallel with the main roll and pressed against the main roll to rotate together. In a method of roll-finishing a “processed and dewatered object” using a calendar type roll finisher having a compression roll (9),
Wrapping a heat-resistant belt (13) for preventing wrinkles around the compression roll (9) and rotating together,
Between the main roll (1) and the heat-resistant belt (13) for preventing wrinkles, an object (8A) that has been washed and dehydrated is inserted,
The object to be treated is sandwiched between the heat-resistant belt (13) for preventing wrinkles and the main roll (1),
A roll finishing method, characterized in that a pressing force is applied by a compression roll (9) to prevent generation of wrinkles. The pressure roll (9) around which the heat-resistant belt (13) for preventing wrinkles is wound is a "main roll in which the object to be treated first comes into contact" regardless of the number of main rolls installed in the roll finisher. With the opposing pressure roll,
The roll finish according to claim 3, wherein the disposing position of the compression roll (9) is set in the vicinity of “a place where the object to be treated first comes into contact with the main roll”. Method. When finishing multiple types of washed and dehydrated workpieces,
When roll finishing a normal workpiece, remove the wrinkle-preventing heat-resistant belt (13) wound around the compression roll (9) and replace it with a normal guide tape (10).
When finishing a workpiece having a step of varying thickness, remove the guide tape (10) wound around the compression roll (9) and replace it with a heat-resistant belt (13) for preventing wrinkles. The roll finishing method according to claim 3 or 4, characterized in that: A heated main roll (1), a heat-resistant belt (4) wound around the main roll and rotated together, and installed in parallel with the main roll and pressed against the main roll to rotate together In a calendar type roll finishing machine having a compression roll (9)
Means for supporting and guiding the guide tape (10) wound around the compression roll (9);
A means for supporting and guiding the heat-resistant belt (13) for preventing wrinkles wound around the compression roll (9) is provided,
It is characterized in that the guide tape (10) and the heat-resistant belt (13) for preventing wrinkles can be attached and detached in accordance with the level difference in thickness of the laundry / dehydrated workpiece. Roll finishing machine.

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