JP2008119960A - Fluid jet apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fluid jet apparatus capable of appropriately controlling the temperature of jetting fluid. <P>SOLUTION: The fluid jet apparatus jets the fluid flowing in a flowing part 13 from a jetting part 12 to the resin film side through a flow path 11 in manufacturing long resin film. The fluid jet apparatus laminates a plate member 2 formed with a groove part used as the flow path 11 and has a temperature regulating mechanism 3 for regulating the temperature of the fluid passing through the flow path 11. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a fluid ejection device that ejects a fluid that has flowed into an inflow portion from an ejection portion to the resin film side through a flow path when a long resin film is manufactured.

This type of fluid ejection device is used, for example, for molding / stretching a resin film when producing a long resin film.
As such a fluid ejection device, for example, those described in Patent Literature 1 and Patent Literature 2 are known.

That is, in Patent Document 1 and Patent Document 2, an inner surface of a thermoplastic resin extruded in a tubular shape from a heating extruder using a fluid ejection device composed of a porous sintered metal or an inorganic porous material as a core member. The thermoplastic resin is formed into a tubular resin film while ejecting a fluid such as air whose temperature is adjusted by a temperature adjusting mechanism from the fluid ejecting apparatus.
In addition, the above-described document also describes that a fluid ejection device is used as a mandrel, and a tubular resin film is stretched while ejecting a fluid such as air whose temperature is regulated by a temperature regulation mechanism from the mandrel.
As described above, by forming and stretching the tubular resin film while ejecting the fluid, friction between the core member or mandrel and the tubular resin film can be reduced. Moreover, it is possible to prevent the tubular resin film from being scratched. Furthermore, by adjusting the temperature of the fluid by the temperature adjusting mechanism, it is possible to prevent a sudden temperature change of the thermoplastic resin. Thereby, it is possible to prevent the tubular resin film from being scratched or wrinkled.

JP 2004-314588 A (paragraph [0045] paragraph and FIG. 1) JP 2004-314589 A (paragraph [0037] paragraph and FIG. 1)

  However, since the conventional fluid ejection device is composed of a porous sintered metal, an inorganic porous material, or the like, the temperature of the fluid flowing through the flow path cannot be sufficiently adjusted and is supplied to the fluid ejection device. In some cases, there is a difference between the temperature of the fluid to be ejected and the temperature of the fluid ejected from the fluid ejection device, and the fluid having an appropriate temperature cannot be ejected.

  This invention is made | formed in view of the above-mentioned problem, and is providing the fluid ejection apparatus which can control the temperature of the fluid appropriately.

  A first characteristic configuration of the present invention is a fluid ejection device that ejects fluid that has flowed into an inflow portion from the ejection portion toward the resin film via a flow path when a long resin film is manufactured. In addition, a plate member in which a groove portion serving as the flow path is stacked, and a temperature adjustment mechanism for adjusting the temperature of the fluid passing through the flow path is provided.

  With this configuration, the temperature can be directly adjusted with respect to the fluid passing through the flow path. Therefore, as compared with the conventional case where the fluid whose temperature is adjusted in advance is supplied to the fluid ejection device, the ejection portion The temperature of the ejected fluid can be adjusted optimally.

  According to a second characteristic configuration of the present invention, the temperature adjusting mechanism is provided along at least one of a surface of each plate member on which the groove is formed and a back surface of the surface on which the groove is formed. It is in a certain point.

  With this configuration, the temperature adjustment mechanism is disposed close to the flow path, so that the temperature of the fluid can be adjusted more accurately.

  The third characteristic configuration of the present invention is that a region where the groove is formed is divided into a plurality of small regions for flow paths, and a groove is formed for each small region for flow paths.

  Since the flow rate of the fluid can be adjusted independently for each small area for the flow path by this configuration, the resin film in which the temperature of each part is different depending on the shape of the resin film, etc. In this case, fluids having different flow rates can be ejected for each position of the resin film.

  According to a fourth characteristic configuration of the present invention, the temperature adjustment mechanism is divided into a plurality of temperature adjustment subregions, and the temperature adjustment is possible for each of the temperature adjustment subregions.

  With this configuration, since the temperature of the fluid can be adjusted independently for each of the temperature adjustment subregions, the resin film in which the temperature of each part varies depending on the shape of the resin film. For example, fluids having different temperatures can be ejected for each position of the resin film.

  The fifth characteristic configuration of the present invention is that the temperature adjusting small region is provided for each of the flow channel small regions.

  With this configuration, the fluid flows independently for each small region for temperature adjustment. For this reason, since it does not receive to the influence of the fluid which distribute | circulates the other small area for temperature control, the temperature of the fluid can be adjusted reliably for every small area for temperature control.

  A sixth characteristic configuration of the present invention is that the groove is formed by bending or bending.

  With this configuration, the flow path length can be made longer than when the inflow portion and the ejection portion are connected in a straight line. For this reason, the area | region which can adjust the temperature of a fluid becomes long, and can adjust the temperature of a fluid reliably.

  A seventh characteristic configuration of the present invention is that the groove portion is formed so that a plurality of flow paths are communicated with one of the ejection portions.

  As in this configuration, by supplying fluid from a plurality of flow paths to a specific ejection portion, even if the temperature of the fluid flowing through each flow path varies, the temperature of the fluid can be reduced. It can be made uniform.

  According to an eighth feature of the present invention, the fluid ejection device has at least one of a cylindrical outer peripheral surface and a cylindrical inner peripheral surface, and at least one of the cylindrical surfaces of the fluid ejection device. It exists in the point which has provided the ejection part about any one.

  With this configuration, the substantially cylindrical outer peripheral surface is opposed to the inner peripheral surface of the tubular resin film, or the substantially cylindrical inner peripheral surface is opposed to the outer peripheral surface of the tubular resin film, and the outer periphery of the tubular resin film is opposed to the tubular resin film. A fluid can be ejected to the resin film.

[Embodiment 1]
A first embodiment of the present invention will be described below with reference to the drawings. Here, the fluid ejection device 1 according to the present invention is disposed so as to face the outer peripheral surface of the thermoplastic resin extruded into a tubular shape from the heating extruder 7 when the tubular resin film 6 is formed as shown in FIG. An example used as an outer member will be described.

The fluid ejection device 1 according to the present invention has a substantially cylindrical shape, and an ejection portion 12 that ejects fluid is formed on the inner circumferential surface of the cylindrical shape.
The fluid ejection device 1 ejects air as a fluid supplied from a fluid supply means (not shown) such as an air compressor to the inflow portion 13 from the ejection portion 12 via the flow path 11 and is made of thermoplastic resin. The tubular resin film 6 is formed while ejecting fluid to the outer periphery. When the fluid flows through the flow path 11, the temperature is adjusted to a desired temperature by the temperature adjustment mechanism 3.

  Thus, by forming the tubular resin film 6 while ejecting the fluid whose temperature is adjusted from the fluid ejection device 1 to the outer periphery of the thermoplastic resin, a sudden change in the temperature of the thermoplastic resin due to the influence of outside air is prevented. It is possible to prevent the molded tubular resin film 6 from being scratched or wrinkled.

As shown in FIG. 1, the fluid ejection device 1 is configured by periodically laminating a plate member 2 and a plate-like heater member 31 (an example of the temperature adjustment mechanism 3).
An inflow portion 13 through which fluid flows is formed on the outer peripheral surface of the fluid ejection device 1, and an ejection portion 12 for ejecting fluid is formed on the inner peripheral surface. Moreover, the flow path 11 which connects the inflow part 13 and the ejection part 12 is formed. A fluid supply means is connected to the inflow portion 13, and the fluid supplied from the fluid supply means to the inflow portion 13 is ejected from the ejection portion 12 through the flow path 11.

Next, each member which comprises the fluid ejection apparatus 1 is demonstrated.
As shown in FIG. 2, the plate member 2 includes, for example, a first plate member 2a and a second plate member 2b. The first plate member 2a has a flat washer-like shape in which a hole 22 constituting the inner peripheral surface of the fluid ejection device 1 is formed at the center of a circular metal plate. Further, a plurality of holes (four in this embodiment) for inserting the rod member 41 are formed in the vicinity of the outer periphery of the plate member 2. On one surface of the first plate member 2a, a groove portion 21 that forms the inflow portion 13, the flow path 11, and the ejection portion 12 is provided so as to communicate the inner periphery and the outer periphery of the first plate member 2a. A plurality of the groove portions 21 are provided and formed radially. The groove 21 is not particularly limited, but can be formed by, for example, machining or electric discharge machining. The second plate member 2b has the same shape as the first plate member 2a, but differs from the first plate member 2a in that the groove 21 is not formed.

  As shown in FIG. 2, the heater member 31 has a flat washer shape like the plate member 2, for example, and is formed with a hole 31 a for inserting the bar member 41. The heater member 31 is not particularly limited, and a plate heater in which a resistance member such as a nichrome wire is insulated with an insulating member such as mica and covered with a heat-resistant metal plate can be used. The heater member 31 is connected to a power source (not shown). The heater member 31 only needs to be provided along the plate member 2 and does not necessarily have the same shape as the plate member 2. The heater member 3 does not necessarily have to be provided over the entire range of the plate member 2.

  As shown in FIG. 2, the surface of the first plate member 2 a where the groove portion 21 is formed and the second plate member 2 b are opposed to each other, and the two plate members 2 and the heater members 31 are alternately stacked. The rod member 41 is inserted into each of the holes 23 and 31a. Both ends of the bar member 41 are formed with male screws, and nuts 42 are fastened to both ends. The laminated plate member 2 and heater member 31 are integrally fixed by a nut 42 to constitute the fluid ejection device 1.

  As described above, by laminating the plate member 2 and the heater member 31, the heater member 31 is disposed close to the flow path 11, and the temperature is directly adjusted with respect to the fluid passing through the flow path 11. be able to. For this reason, compared with the case where the fluid which adjusted the temperature beforehand is supplied to the fluid ejection apparatus 1 like the past, the temperature of the fluid ejected from the ejection part 12 can be adjusted reliably.

  Moreover, in this fluid ejection apparatus 1, since the plate member 2 and the heater member 31 are periodically laminated, the adjustment temperature of the heater member 31 is changed to change the longitudinal direction of the fluid ejection apparatus 1 respectively. Thus, the temperature of the fluid can be changed. Therefore, for example, on the upstream side where the temperature of the thermoplastic resin 6 is high, the temperature of the fluid is set high, and the temperature of the fluid is lowered toward the downstream side where the temperature of the thermoplastic resin 6 is lowered to some extent. The temperature of the fluid can be appropriately controlled according to the state.

[Embodiment 2]
The second embodiment of the present invention will be described below with reference to the drawings. Here, the case where the fluid ejection device 1 according to the present invention is applied to a core member used for forming the tubular resin film 6 as shown in FIG. 3 will be described as an example.
The fluid ejection device 1 according to the present invention is arranged so as to face the inner periphery of a thermoplastic resin tubularly extruded from the heating extruder 7. The fluid ejection device 1 ejects air as a fluid supplied to the inflow portion 13 by a fluid supply means (not shown) from the ejection portion 12 via the flow path 11, and flows into the inner periphery of the thermoplastic resin. The tubular resin film 6 is formed while jetting out. Thus, by forming the tubular resin film 6 while ejecting the fluid from the fluid ejection device 1, the friction between the fluid ejection device 1 and the thermoplastic resin can be reduced, and the molded tubular resin film is formed. Scratches, wrinkles, etc. can be prevented from occurring.

  As shown in FIG. 3, the fluid ejection device 1 has a substantially cylindrical shape in which a plurality of plate members 2 and a heater member 31 are stacked and lid members 4 are provided at both ends thereof. A fluid reservoir 14 extending in the longitudinal direction is formed at the center of the fluid ejection device 1. An inflow portion 13 that opens to the fluid storage portion 14 is formed on the inner peripheral surface of the fluid ejection device 1, and an ejection portion 12 that ejects fluid is formed on the outer peripheral surface. Moreover, the flow path 11 which connects the inflow part 13 and the ejection part 12 is formed. A fluid supply means (not shown) is connected to the fluid storage section 14, and the fluid supplied from the fluid supply means to the fluid storage section 14 flows into the flow path 11 from the inflow section 13 and passes through the flow path 11. It is ejected from the ejection part 12. Here, the cross-sectional area of the fluid reservoir 14 is set to be very large compared to the cross-sectional area of the channel 11 so that the flow resistance of the fluid reservoir 14 can be ignored compared to the fluid resistance of the channel 11. is there. By setting the fluid reservoir 14 in this way, fluid can be supplied to each channel 11 with substantially the same supply pressure regardless of the position of the channel 11. In addition, since the fluid is adjusted to a temperature close to the desired temperature in the fluid storage unit 14 and then supplied to the flow path 11, the temperature of the fluid in the flow path 11 is reliably adjusted.

Hereinafter, the detail of each member which comprises the fluid ejection apparatus 1 is demonstrated.
As shown in FIG. 4, the plate member 2 includes a first plate member 2a and a second plate member 2b, as in the case of the first embodiment. The first plate member 2a has a flat washer-like shape in which a hole 22 constituting the fluid reservoir 14 is formed at the center of a circular metal plate. On one surface of the plate member 2, a groove portion 21 that forms the inflow portion 13, the flow path 11, and the ejection portion 12 is provided so that the hole portion 22 of the plate member 2 communicates with the outer periphery. As in the first embodiment, a plurality of grooves 21 are formed radially. The second plate member 2b has the same shape as the first plate member 2a, but differs from the first plate member 2a in that the groove 21 is not formed. In the first plate member 2a and the second plate member 2b, a hole 23 for inserting the bar member 41 is formed as in the case of the first embodiment.

  As shown in FIG. 4, the heater member 31 has the same shape as in the first embodiment. The lid member 4 has a disk shape with the same diameter as the plate member 2 and the heater member 31, and a hole 43 for inserting the rod member 41 is formed in the same manner as the plate member 2 and the heater member 31. .

  As shown in FIG. 4, the surface of the first plate member 2 a where the groove portion 21 is formed and the second plate member 2 b are opposed to each other, and the two plate members 2 and the heater members 31 are alternately stacked. Lid members 4 are provided at both ends, and rod members 41 are inserted into the holes 23, 31 a, 43. Both ends of the bar member 41 are formed with male screws, and nuts 42 are fastened to both ends. The laminated plate member 2 and heater member 31 are sandwiched and fixed integrally with the lid member 4.

  In this fluid ejection device 1, since the plate member 2 and the heater member 31 are periodically stacked, by changing the adjustment temperature of the heater member 31 respectively, along the longitudinal direction of the fluid ejection device 1, The temperature of the fluid can be changed. Therefore, for example, a high-temperature fluid is ejected to a thermoplastic resin having a high temperature immediately after being extruded from the heating extruder 7, and the temperature of the fluid is lowered toward the downstream side where the temperature of the thermoplastic resin is lowered to some extent. For example, the temperature of the fluid can be appropriately controlled according to the state of the thermoplastic resin.

[Embodiment 3]
The third embodiment of the present invention will be described below with reference to the drawings. In the above-described embodiment, the example in which the fluid ejection device 1 is applied to the formation of the tubular resin film has been described. However, the fluid ejection device 1 can be applied to other than the tubular resin film.
As shown in FIG. 5, the fluid ejection device 1 can be used when a flat resin film 9 formed by, for example, a T-die 8 is cooled. The fluid ejection device 1 is provided to face the resin film 9 and ejects air as a fluid to the resin film 9.
The fluid ejection device 1 is configured by stacking, for example, a rectangular plate member 2 and a heater member 31. An inflow portion 13 and an ejection portion 12 are separately formed on a pair of side surfaces facing the fluid ejection device 1, and a flow path 11 is formed so as to communicate the inflow portion 13 and the ejection portion 12. . A fluid is supplied from the inflow portion 13, and the fluid flows through the flow path 11 and is ejected from the ejection portion 12.

Hereinafter, each member which comprises the fluid ejection apparatus 1 is demonstrated.
As shown in FIG. 6, the plate member 2 includes a first plate member 2a and a second plate member 2b. The first plate member 2a has, for example, a rectangular shape, and a plurality of groove portions 21 are formed on one surface of the first plate member 2a so as to communicate a pair of opposing sides of the first plate member 2a. It is. The second plate member 2b has the same shape as the first plate member 2a, but differs from the first plate member 2a in that the groove 21 is not formed. The first plate member 2a and the second plate member 2b are formed with holes 22 into which the bar members 41 are inserted.

As shown in FIG. 6, the heater member 31 has the same shape as the first plate member 2a and the second plate member 2b, and is formed with a hole 31a for inserting the rod member 41.
The first plate member 2a, the second plate member 2b, and the heater member 31 are stacked in the same manner as in the above-described embodiment, and are integrally held by the bar member 41 and the nut 42, and the fluid ejection device 1 is configured. The

[Another embodiment 1]
The shape of the groove 21 is not limited to the above-described embodiment. The other shape of the groove part 21 is demonstrated to the case where the fluid ejection apparatus 1 is utilized as an outer member. In addition, the shape of these groove parts 21 is applicable also when using the fluid ejection apparatus 1 other than an outer member.

As shown in FIG. 7, the groove 21 communicates with the outer periphery of the plate member 2 and meanders along the circumferential direction of the plate member 2 while extending in the radial direction of the plate member 2; The second portion 21b communicates with the first portion 21a and extends in the circumferential direction of the plate member 2, and the third portion 21c communicates with the second portion 21b and the inner periphery of the plate member 2. . A plurality of the third portions 21 c are formed along the circumferential direction of the plate member 2. Here, the third portion 21c is set to have a smaller width and depth than the first portion 21a and the second portion 21b.
A plurality (four in this embodiment) of the above-described groove portions 21 are formed along the radial direction of the plate member 2. In this embodiment, the groove portions 21 are formed so as not to communicate with each other. That is, the region of the plate member 2 in which the groove 21 is formed is divided into a plurality of small flow passage regions (four in this embodiment), and the groove 21 is formed for each small flow passage region. It is.

  By comprising in this way, compared with the case where the groove part 21 is made into linear shape, the flow path 11 length can be ensured large. For this reason, since the area | region for adjusting the temperature of the fluid can be enlarged, the temperature of the fluid can be adjusted reliably. In addition, since the flow resistance of the third portion 21c is larger than that of the first portion 21a and the second portion 21b, the variation in the fluid ejection amount in the circumferential direction of the fluid ejection device 1 can be reduced. In addition, since the flow rate and temperature of the fluid can be adjusted independently for each small area for the flow path, depending on the shape of the resin film, the resin film having a difference in the temperature of each part has Fluids with different flow rates and temperatures can be ejected at each position.

As shown in FIG. 8, the groove 21 includes a plurality of concentric annular first portions 21a, a second portion 21b communicating the outer periphery of the plate member 2 and the first portion 21a, and the first portion 21a. The first portion 21a has a third portion 21c that communicates with each other, and a fourth portion 21d that communicates the first portion 21a with the inner periphery of the plate member 2, and is formed in a mesh shape. That is, the groove part 21 is formed so that the several flow path 11 may be connected to the one ejection part 12. FIG.
With this configuration, fluid from the plurality of flow paths 11 is supplied to the specific ejection portion 12. For this reason, even when there is a variation in temperature between the fluids flowing through the respective flow paths 11, the temperature of the fluid can be made uniform.

As shown in FIG. 9A, the groove portion 21 of the first plate member 2a is spirally formed along the circumferential direction in communication with the first portion 21a communicating with the outer periphery of the plate member 2 and the first portion 21a. It has the 2nd part 21b extended and the 3rd part 21c connected to the inner periphery of the board member 2 cyclically | annularly.
In this embodiment, the 1st part 21a is distributed and formed in four places of the circumferential direction of the plate member 2, and the 2nd part 21b is extended from each 1st part 21a in the shape of a spiral. A third portion 21c is formed in the vicinity of the hole portion of the plate member 2 so as to communicate with the inner periphery over the entire circumference of the hole portion, and each second portion 21b communicates with the third portion 21c. is doing. In addition, as shown in FIG.9 (b), the depth of the 3rd part 21c is set small compared with the depth of the 1st part 21a and the 2nd part 21b. Thereby, it is comprised so that the distribution resistance of the 3rd part 21c may become larger than the distribution resistance of the 1st part 21a and the 2nd part 21b.
When this 1st board member 2a and the 2nd board member 2b are laminated | stacked, the edge part of the outer peripheral side of the 1st part 21a will comprise the inflow part 13, and the 3rd part 21c will comprise the ejection part 12. FIG. In this embodiment, four inflow parts are formed in the outer peripheral part of the fluid ejection apparatus 1, and one ejection part continuous over the whole area | region of the inner peripheral part of the fluid ejection apparatus 1 is formed.
As described above, since the length of the flow path 11 can be increased by forming the groove portion 21 in a spiral shape along the circumferential direction of the plate member 2, the temperature of the fluid can be reliably adjusted. it can.

In the above-described embodiment, the example in which the groove portion 21 is formed only in the first plate member 2a has been described. However, the groove portion 21 may be formed also in the second plate member 2b.
Moreover, you may comprise the flow path 11 by making the surface in which the groove part 21 of the some 1st plate member 2a formed and the surface in which the groove part 21 is not formed facing each other, without using the 2nd plate member 2b.

  Further, in the above-described embodiment, the plate member 2 has a shape other than those described above, such as being divided into a plurality of parts in the circumferential direction of the plate member 2 and being divided for each predetermined region of the plate member 2. May be.

[Another embodiment 2]
In the above-described embodiment, the case where the heater member 31 is used as the temperature adjustment mechanism 3 to heat the fluid has been described as an example. However, the temperature adjustment mechanism 3 is not limited to the one described above, and may be a cooling mechanism. For example, a Peltier element or a jacket in which a cooling fluid is circulated may be used. In this case, the temperature of the fluid flowing through the flow path 11 can be adjusted by adjusting the temperature of the fluid flowing through the jacket. In addition, as a fluid which distribute | circulates a jacket, it can select suitably according to the temperature to adjust, such as air, water, water vapor | steam, liquid nitrogen, for example.

[Another embodiment 3]
In the above-described embodiment, the temperature adjustment mechanism 3 may be configured to be temperature adjustable for each predetermined region of the plate member 2. That is, the temperature adjustment mechanism 3 may be divided into a plurality of temperature adjustment subregions and configured to be temperature adjustable for each temperature adjustment subregion.

For example, in the first embodiment and the second embodiment described above, the temperature adjustment mechanism 3 is configured so as to be temperature-adjustable for each predetermined region in the radial direction, such as being configured by dividing the temperature adjustment mechanism 3 into small regions for temperature adjustment in the radial direction You may do it. In the third embodiment described above, for example, the temperature adjustment mechanism 3 is divided into a plurality of temperature adjustment subregions from the inflow portion 13 side toward the outflow portion 12 side. You may comprise so that temperature adjustment is possible for every predetermined area | region of the extending direction.
By configuring the temperature adjusting mechanism 3 in this way and adjusting the temperature so that, for example, the temperature increases from the inflow portion 13 side of the fluid ejection device 1 toward the ejection portion 12 side, the fluid is ejected from the ejection portion 12. Since it expands and the volume increases as it approaches the side, the fluid can be reliably ejected.

  In the first embodiment and the second embodiment described above, the temperature adjustment mechanism 3 may be composed of a plurality of small regions for temperature adjustment divided in the circumferential direction. In this case, for example, the temperature adjusting small region may be provided for each of the flow channel small regions. By comprising in this way, a fluid will distribute | circulate independently for every small area | region for temperature control. For this reason, since it does not receive to the influence of the fluid which distribute | circulates the other small area for temperature control, the temperature of the fluid can be adjusted reliably for every small area for temperature control.

  Further, in the third embodiment described above, the temperature adjustment mechanism 3 includes a plurality of small regions for temperature adjustment along the direction perpendicular to the extension direction of the flow path, and so on in the extending direction of the flow path 11. You may comprise so that temperature adjustment is possible for every predetermined area | region of a perpendicular direction. When the fluid is ejected onto the planar resin film 9 as in the present embodiment, the fluid ejecting apparatus 1 is configured such that, for example, the temperature of the fluid to the end of the resin film 9 is set higher than the temperature of the fluid at the center. It may be necessary to change the temperature of the fluid in the width direction. Therefore, by configuring the temperature adjustment mechanism 3 in this way, the temperature of the fluid in the width direction of the fluid ejection device 1 can be appropriately adjusted.

  Moreover, in the above-mentioned embodiment, although the example which laminates | stacks the 1st board member 2a and the 2nd board member 2b, and the temperature control mechanism 3 alternately was shown, for example, the 1st board member 2a and the 2nd board member 2b are carried out several times. A configuration other than that described above, such as stacking the temperature control mechanism 3 after stacking, may be used.

  Moreover, in the above-mentioned embodiment, although the example using the temperature control mechanism 3 of the shape substantially the same as the board member 2 was shown, the surface in which the groove part 21 of the plate member 2 is formed, for example, the temperature control mechanism 3, and its back surface In addition to the above, a configuration other than the above may be employed, such as a configuration along the side surface of the plate member 2.

[Another embodiment 4]
Although the above-mentioned embodiment demonstrated the example which shape | molds the tubular resin film 6, this fluid ejecting apparatus 1 can be utilized also when extending the tubular resin film 6 biaxially.
When the tubular resin film 6 is biaxially stretched, for example, the diameter of the plate member 2 is continuously changed in the fluid ejection device 1 of the above-described embodiment 2 to configure the frustoconical fluid ejection device 1. Also good.

  Moreover, in the above-mentioned embodiment, the case where air was ejected as a fluid was described as an example. However, the fluid is not limited to air, and can be appropriately selected according to the type of resin film, for example, a liquid such as water or alcohol, a gas such as water vapor or nitrogen.

  The fluid ejection device 1 of the present invention can be used when a long resin film is produced.

The figure which shows the fluid ejection apparatus of this invention. The figure which shows each member which comprises the fluid ejection apparatus The figure which shows another embodiment of the fluid ejection apparatus of this application The figure which shows each member which comprises the fluid ejection apparatus The figure which shows another embodiment of the fluid ejection apparatus of this application The figure which shows each member which comprises the fluid ejection apparatus The figure which shows another embodiment of a groove part The figure which shows another embodiment of a groove part The figure which shows another embodiment of a groove part

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Fluid ejection apparatus 11 Flow path 12 Ejection part 13 Inflow part 2 Plate member 21 Groove part 3 Temperature control mechanism

Claims (8)

When producing a long resin film, a fluid ejection device that ejects the fluid that has flowed into the inflow portion from the ejection portion to the resin film side through a flow path,
A fluid ejecting apparatus including a temperature adjusting mechanism for laminating plate members having grooves formed as the flow paths and adjusting the temperature of the fluid passing through the flow paths.   2. The fluid according to claim 1, wherein the temperature adjustment mechanism is provided along at least one of a surface of each plate member on which the groove is formed and a back surface of the surface on which the groove is formed. Spouting device.   3. The fluid ejection device according to claim 1, wherein an area for forming the groove is divided into a plurality of small areas for flow paths, and the groove is formed for each of the small areas for flow paths.   The fluid ejection according to any one of claims 1 to 3, wherein the temperature adjustment mechanism is divided into a plurality of temperature adjustment subregions, and the temperature adjustment is possible for each of the temperature adjustment subregions. apparatus.   The fluid ejection device according to claim 4, wherein the temperature adjusting small region is provided for each of the flow channel small regions.   The fluid ejection device according to claim 1, wherein the groove is formed by bending or bending.   The fluid ejection device according to any one of claims 1 to 6, wherein the groove portion is formed so that a plurality of flow paths communicate with one ejection portion.   The fluid ejection device has at least one of a cylindrical outer peripheral surface and a cylindrical inner peripheral surface, and an ejection portion is provided on at least one of the cylindrical surfaces of the fluid ejection device The fluid ejection device according to any one of claims 1 to 7.

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