KR102111724B1 - Tenter for film sheet - Google Patents

Abstract

The present invention relates to a tenter for a film sheet having an improved structure to supply hot air of uniform temperatures and wind strength to a left and right supply ducts by supplying the hot air through a hot air mix zone where hot air blown from a first and second air blowing fans is mixed in a process of supplying hot air to the supply duct side on both the left and right sides using one heater member and the first and second blowing fans.

Description

Film sheet tenter {TENTER FOR FILM SHEET}

The present invention relates to a tenter machine for a film sheet, in particular, by using a heater member and a first and second blowing fans to supply the hot air blown from the first and second blowing fans through a mixing hot air mix zone, thereby allowing the left, It relates to a tenter machine for a film sheet whose structure is improved so as to supply hot air of uniform temperature and wind intensity to the left and right supply ducts in the process of supplying hot air to the supply ducts of both right and left sides.

In general, in the processing process of fabric fabrics such as textiles or knitted fabrics, heat setting process performed as a pre-dyeing process, drying process performed as a post-dyeing process, and heat treatment There is a shrinking process, etc., and a tenter machine is mainly used as a device for performing this process.

In the conventional tenter, the fabric fabric horizontally passes through the upper space, and the chamber is provided with a fabric fabric inlet and a fabric fabric outlet at the upstream and downstream ends of the fabric fabric, respectively; A hot air generating duct disposed in a lower space of the chamber; A heater coupled to one side of the hot air generating duct; A hot air supply duct having a plurality of hot air outlets connected to the other side of the hot air generating duct and extending upwardly and opening toward one side of the hot air generating duct; A channel-type nozzle body having an inlet end mounted at the hot air outlet of the hot air supply duct and the other end closed, and upper and lower hot air spray nozzles coupled to surfaces facing the fabric fabric of the nozzle body and having a plurality of nozzle holes; Installed at the bottom of the hot air supply duct, the air in the chamber is sucked through the heater and the hot air generation duct and blown through the hot air supply duct to the inside of the hot air spray nozzle, so that the hot air blows through the nozzle hole of the hot air spray nozzle. It comprises a blower to be sprayed on the upper and lower surfaces of the.

The entire length of the chamber is determined in response to the feed rate and processing conditions for the processing of the fabric fabric. The chamber is configured by connecting a plurality of unit chambers having a length equal to the entire length. The fabric fabric inlet and the fabric fabric outlet are provided in the upper and downstream end unit chambers respectively installed at the upper and lower ends of the unit chamber.

In performing a heat setting process, a drying process, and a shrinking process by a conventional tenter, when the blower and the heater are operated while conveying the fabric fabric, the air inside the chamber is sucked through the heater through the heater and sucked by the blower. The heated air is heated by heat exchange while contacting the heater to generate hot air of about 180 ° C to 220 ° C, and the generated hot air is supplied to the inside of the hot air spray nozzle through a hot air supply duct by a blower.

The hot air supplied to the inside of the hot air spray nozzle is sprayed on the upper and lower surfaces of the fabric fabric through a plurality of nozzle holes formed on the nozzle plate of the hot air spray nozzle to perform a heat setting process, a drying process or a shrinking process.

As a prior art related to the supply of hot air from the existing tenter, as disclosed in Korean Patent Registration No. 10-0613898, "Tenter's hot air supply distribution structure" (registration date: 2006.08.10), the upper part of the transferred textile fabric and Upper and lower hot air injection ducts that simultaneously spray hot air from the bottom, air guide ducts installed on one side to guide the hot air to the hot air injection duct side, and a circulation fan for forcibly supplying hot air to the air guide duct side, A tenter device comprising a duct member for guiding air collected in the chamber toward the circulation fan and a heating member for reheating the air guided through the duct member, wherein the air guide duct is provided by a circulation fan. It is provided with an upper branch duct and a lower branch duct to guide the upper and lower hot air spray ducts by branching the forced hot air, respectively. Ducts is to achieve a guidance channel of the same shape and length interconnected by the intermediate partition wall.

The conventional tenter for film sheets is drawn in the machine direction (MD) in the process of drawing the film in the longitudinal direction, and is drawn in the transverse direction (TD) while gripping both ends of the film. Will stretch.

As a conventional prior art related to a tenter for drying a film, as disclosed in Korean Patent Registration No. 10-0861540, “Tenter Device and Film Drying Method” (Registration Date: 2008.09.26), clipping the side edge of the film A clip for clipping the film between the clip start position and a clip retracting position that retracts the clipping of the film and conveying the film; A dry air blower for drying the film while feeding the dry air toward the film and conveying the film; A clip cover that covers the travel path of the clip when clipping the film; And a fresh air blower supplying fresh air to the inside of the clip cover to prevent the dry air outside the clip cover from entering the inside of the clip cover.

As another prior art related to the existing film tenter, Korean Patent Publication No. 92-5555, "Method and Apparatus for Drawing Plastic Film in Tenter Frame" (Date of Publication: 1992.07.06), uses linear motors. As a method of drawing a plastic film in a tenter frame, the film processing place of the tenter frame pulls the film by propagating the active carriages in opposing loops with tenter clips attached to the carriages in a symmetrical manner with a predetermined speed. Step to do; Forming carriage stacks; And pushing the carriage stacks at carriage collection locations before the tenter frame enters the film processing site.

However, in the case of the existing film tenter, the hot air supply device for supplying hot air is the intensity of the hot air (wind velocity) supplied to the upper and lower hot air injection ducts through the left and right supply ducts when the heater is composed of one fan having a large capacity. ) And temperature, there is a possibility of deviation in left and right balance.

Particularly, in the case of a film sheet having a large width, when a temperature deviation occurs in the left and right supply ducts, there is a fear that deformation occurs easily due to variation in the drying efficiency of each part of the film sheet.

Korean Patent Registration No. 10-0861540 "Tenter device and film drying method" (Registration date: 2008.09.26) Korean Patent Publication No. 92-5555 "Method and device for drawing plastic film in tenter frame" (Date of publication: 1992.07.06)

The present invention was created to solve the above problems in consideration of the above-mentioned problems, and its purpose is to create a hot air mix zone in which hot air blown from the first and second air blowing fans is mixed using one heater member and the first and second air blowing fans. Provides a tenter machine for a film sheet whose structure is improved so as to supply hot air of uniform temperature and wind strength to the left and right supply ducts in the process of supplying hot air to the supply ducts of both the left and right sides through the supply. Has to do.

The present invention for achieving the above object is a hot air supply chamber and the hot air spray chamber is divided into upper and lower by a partition wall and the air of the hot air spray chamber is circulated to the upper hot air supply chamber through the circulation duct formed in the partition wall As a tenter for a sheet, the hot air supply chamber includes a heater member disposed close to the circulation duct; A suction duct through which the heater member is received and air passing through the circulation duct is sucked; First and second blowing fans disposed on both the left and right sides of the suction duct and rotationally driven by driving of the motor to blow heated air passing through the heater member to the hot air mix zone side; A hot air mix zone provided in the hot air supply chamber and in which hot air blown from the first and second air blowing fans is mixed; And left and right supply ducts arranged on both the left and right sides of the hot air mix zone and connected to supply hot air from the hot air mix zone to upper and lower hot air injection duct sides of the hot air spray chamber, respectively. .

The first and second blowing fans are disposed close to each other so that the blowing direction of the wind is blown toward the center direction of the outlet side of the suction duct, respectively.

The hot air supply chamber is further provided with a filter member in a path supplied from the hot air mix zone to the left and right supply duct sides.

The hot air supply chamber is provided in the suction duct and is connected to the hot air injection chamber through the circulation duct, the heater member is accommodated therein, and a first supply zone provided with a supply damper for supplying new air, and provided in the suction duct The first supply zone is partitioned into a first plate, and a flow path is connected to communicate with the first supply zone, the other side is connected to communicate with the hot air mix zone, and the first and second blowing fans are disposed therein. It consists of a supply zone and a third supply zone which is divided into a second plate on both the left and right sides of the hot air mix zone and is connected to a flow path so as to communicate with the hot air mix zone and connected to the left and right supply duct sides.

A fan inspection hole formed on the suction duct and capable of checking the first and second blowing fans inside the hot air mix zone, and an upper inspection hole that allows an operator to enter and exit the hot air mix zone above the hot air supply chamber It is provided.

In the present invention, the air heated through one heater member is blown through the first and second blowing fans, even if the intensity and temperature of the wind blown from the first and second blowing fans are different. Since the hot air blown from each other is mixed in the hot air mix zone, it is possible to reduce variations in temperature and wind strength of the hot air, thereby making the drying of each sheet of the film sheet that passes through the interior of the hot air spraying chamber evenly, so that the heater or heater Regardless of the performance of the blower fan, it has the advantage of preventing the occurrence of variations in left and right balance of the intensity (wind velocity) and temperature of the hot air and improving the drying performance of the film sheet having a great deal.

In addition, as the first and second blowing fans of the present invention are disposed close to each other so that the blowing direction of the wind is blown toward the central direction of the outlet side of the suction duct, the hot air blown from the first and second blowing fans is a hot air mix zone. It has the advantage of being easily mixed in.

The hot air supply chamber of the present invention is partitioned into first, second, and third supply zones by suction ducts and first and second plates, and guided to blow air along a predetermined flow path, by a heater member in the suction duct. While the heated air passes through the hot air mix zone by the first and second air blow fans, the wind strength and temperature of the hot air are equalized.

In addition, since the present invention is provided with a filter member on the second plate, the hot air in the hot air mix zone is not only able to filter foreign substances while being supplied to the left and right supply duct sides, but also the hot air in the hot air mix zone is supplied to the left and right sides. By delaying the supply to the duct side, heat exchange and wind intensity in the hot air mix zone are equalized.

In the present invention, a fan inspection hole capable of inspecting the first and second blowing fans inside the hot air mix zone is formed in the suction duct, and an upper inspection hole that allows an operator to enter and exit the hot air mix zone is formed above the hot air supply chamber. Therefore, it has the advantage that the operator can easily check the inside of the first and second blowing fans and the hot air mix zone by entering and exiting the hot air mix zone.

1 is a front view schematically showing the configuration of a tenter for a film sheet according to the present invention.
FIG. 2 is a plan view of FIG. 1;
3 is a left side view of FIG. 1.
Figure 4 is a state of use of the present invention.

Hereinafter, a tenter for a film sheet according to the present invention will be described in more detail through detailed description of embodiments with reference to the drawings.

In describing the present invention, when it is determined that detailed descriptions of related known technologies or configurations may unnecessarily obscure the subject matter of the present invention, detailed descriptions thereof will be omitted. In addition, terms to be described later are terms defined in consideration of functions in the present invention and may vary according to a user's intention or custom. Therefore, the definition should be made based on the contents throughout this specification. In addition, "including" a component means that other components may be further included, not excluded, unless otherwise stated.

When the tenter for a film sheet according to the present invention is described with reference to FIGS. 1 to 4, the hot air supply chamber 110 and the hot air spray chamber 120 are divided into upper and lower sides by a partition wall 130 and the hot air spray chamber As the tenter 100 for a film sheet in which the air of 120 is circulated to the upper hot air supply chamber 110 through the circulation duct 150 formed in the partition wall 130, the hot air supply chamber 110 is the A heater member 200 disposed close to the circulation duct 150; A suction duct 300 through which the heater member 200 is accommodated and air passing through the circulation duct 150 is sucked; First and second blowing fans disposed on both the left and right sides of the suction duct 300 and rotationally driven by driving of a motor to blow heated air passing through the heater member 200 to the hot air mix zone 500 side. (410,420); A hot air mix zone 500 provided in the hot air supply chamber 110 and in which hot air blown from the first and second blowing fans 410 and 420 are mixed; And it is disposed on both the left and right sides of the hot air mix zone 500 and connected to supply the hot air of the hot air mix zone 500 to the upper and lower hot air spray duct (10, 20) side of the hot air spray chamber 120, respectively Left, right supply duct 170; is made to include.

1, the hot air supply chamber 110 is provided to be separated from each other by a partition 130 on the upper side of the hot air injection chamber 120, the air of the hot air injection chamber 120 through the circulation duct 150 Has a structure that is supplied to the hot air supply chamber 110 side.

Referring to FIG. 2, the hot air supply chamber 110 includes first and second supply zones 610 and 620 in which the inside of the suction duct 300 is divided by a first plate 615 and the hot air mix zone 500. ), And a third supply zone 630 communicating with the left and right supply ducts 170 on both the left and right sides of the hot air mix zone 500.

The first supply zone 610 is provided in the suction duct 300 and is connected to the hot air spray chamber 120 through the circulation duct 150, the heater member 200 is accommodated therein, and new air is supplied. The supply damper 710 is provided.

The second supply zone 620 is provided in the suction duct 300 and is divided into the first supply zone 610 and the first plate 615, and a flow path is connected to communicate with the first supply zone 610. The other side is connected to communicate with the hot air mix zone 500 and the first and second blowing fans 410 and 420 are disposed therein.

The third supply zone 630 is divided into a second plate 625 on both the left and right sides of the hot air mix zone 500, and flow paths are connected to the hot air mix zone 500 and the left and right sides are supplied. It is connected to the duct 170 side.

The suction duct 300 is provided with a fan inspection hole 810 for checking the first and second blowing fans 410 and 420 provided therein in the hot air mix zone 500.

The first and second blowing fans 410 and 420 are rotationally driven by driving of the first and second blowing motors 415 and 425 mounted on the upper side of the hot air supply chamber 110, and when rotating, the first supply zone 610 ) Through the second supply zone 620 to perform the function of supplying to the hot air mix zone 500 side.

The first and second blowing fans 410 and 420 are disposed above the middle height of the suction duct 300, and each other so that the blowing direction of the wind is blown toward the center direction of the outlet 305 side of the suction duct 300, respectively. They are placed close together.

Accordingly, since the blowing direction of the wind discharged from the first and second blowing fans 410 and 420 to the hot air mixing zone 500 is blown in a direction close to the center of the outlet 305 side of the suction duct 300, A smooth mixing of hot air occurs at the central portion of the outlet 305 side of the suction duct 300, so that the hot air in the hot air mix zone 500 has a uniform temperature and uniform wind strength.

That is, the air heated by the heater member 200 of the first supply zone 610 is transferred to the hot air mix zone 500 through the second supply zone 620 through the first and second blowing fans 410 and 420. After supplying, the intensity and temperature of the hot air discharged to the hot air mix zone 500 through the outlet 305 side of the suction duct 300 in this process are uniformed in the hot air mix zone 500, and then the second It is supplied to the left and right third supply zones 630 through the plates 625.

The second plate 625 includes a filter member 650 provided in a path of a flow path for supplying hot air in the hot air mix zone 500 to the left and right supply ducts 170.

The filter member 650 may employ a hepa filter.

The upper portion of the first supply zone 610 is provided with a supply damper 710 for introducing fresh air from the outside into the first supply zone 610.

An upper inspection hole 820 is provided on the upper side of the hot air supply chamber 110 to allow an operator to enter the hot air mix zone 500.

2 and 3, the hot air supply chamber 110 and the hot air injection chamber 120 are internal to each other through the circulation duct 150 and the left and right supply ducts 170. The heater member provided inside the first supply zone 610 is connected to circulate the air, and the air in the hot air injection chamber 120 is introduced into the hot air supply chamber 110 through the suction duct 300. 200).

Subsequently, when the first and second blowing motors 415 and 425 are driven to rotate, the first and second blowing fans 410 and 420 provided in the second supply zone 620 are rotated to drive the hot air in the first supply zone 610. As shown in Figure 2, through the second supply zone 620 is blown to the hot air mix zone 500 outside the suction duct 300.

The suction duct 300 provided with the first and second supply zones 610 and 620 is heated by the first and second blowing fans 410 and 420 through the outlet 305 side communicating with the hot air mixing zone 500. In the process, they are mixed.

The hot air blown from the first and second blowing fans 410 and 420 is mixed in the hot air mix zone 500 and passes through a mixing process in which the intensity and temperature of the hot air are equalized, and then passes through the second plate 625 to supply the left and right sides. It is supplied to the duct 170 side.

Accordingly, the present invention is the strength of the wind blown from the first and second blowing fans 410 and 420 in the process in which air heated through one heater member 200 is blown through the first and second blowing fans 410 and 420, and Even if the temperature is different, since the hot air blown from the first and second blowing fans 410 and 420 are mixed in the hot air mix zone 500, it is possible to reduce variations in temperature and wind intensity of the hot air, thereby reducing the temperature of the hot air spray chamber 120. The film sheet having a large amount by preventing the occurrence of variations in the left and right balance of the intensity (wind velocity) and temperature of the hot air regardless of the performance of the heater or blower fan, by making the drying of each portion of the wide film sheet passing through the interior evenly. It has the advantage of improving the drying performance.

In addition, as the first and second blowing fans 410 and 420 of the present invention are disposed close to each other so that the blowing direction of the wind is blown toward the central direction of the outlet 305 side of the suction duct 300, the first and second blowing fans The hot air blown from the fans 410 and 420 has the advantage of being easily mixed in the hot air mix zone 500.

The hot air supply chamber 110 of the present invention is divided into first, second, and third supply zones 610,620,630 by the suction duct 300 and the first and second plates 615,625, and guides air to be blown along a predetermined flow path As it becomes possible, while the air heated by the heater member 200 in the suction duct 300 passes through the hot air mix zone 500 by the first and second blowing fans 410 and 420, the wind strength and temperature of the hot air Has the advantage of being even.

In addition, since the present invention is provided with a filter member 650 on the second plate 625, it is possible to filter foreign substances while hot air in the hot air mix zone 500 is supplied to the left and right supply ducts 170 side. Rather, the hot air in the hot air mix zone 500 is delayed from being supplied to the left and right supply ducts 170 so that the heat exchange and wind strength in the hot air mix zone 500 are equalized.

In the present invention, a fan check opening 810 capable of checking the first and second blowing fans 410 and 420 in the hot air mix zone 500 is formed in the suction duct 300, and the upper side of the hot air supply chamber 110 is formed. In the hot air mix zone 500, an upper inspection hole 820 that can be accessed by an operator is formed, so that the worker enters and exits the hot air mix zone 500, and the first and second air blowing fans 410,420 and the hot air mix zone ( 500) It has the advantage of being able to easily inspect the interior.

As described above, although specific embodiments have been described in the detailed description of the present invention, various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the above-described embodiment, but should be defined by the claims and equivalents as well as the claims below.

That is, the present invention as described above is not limited to the specific preferred embodiments described above, and who has ordinary knowledge in the technical field to which the present invention belongs without departing from the gist of the present invention claimed in the claims. Of course, various modifications are possible, and such changes are within the scope of the claims.

10, 20: Upper and lower hot air spray duct 100: Tenter machine
110: hot air supply chamber 120: hot air injection chamber
130: partition wall 150: circulating duct
170: left and right supply duct 200: heater member
300: suction duct 305: outlet
410,420: 1st and 2nd blower fan 415,425: 1st and 2nd blower motor
500: Hot air mix zone 610,620,630: 1st, 2nd, 3rd supply zone
615: first plate 625: second plate
650: filter member 710: supply damper
810: fan inspection hole 820: upper inspection hole

Claims (5)

The hot air supply chamber 110 and the hot air spray chamber 120 are divided into upper and lower sides by a partition wall 130, and the air of the hot air spray chamber 120 is upward through a circulation duct 150 formed in the partition wall 130. As the tenter 100 for the film sheet circulated to the hot air supply chamber 110,
The hot air supply chamber 110 includes a heater member 200 disposed close to the circulation duct 150;
A suction duct 300 through which the heater member 200 is accommodated and air passing through the circulation duct 150 is sucked;
First and second blowing fans disposed on both the left and right sides of the suction duct 300 and rotationally driven by driving of a motor to blow heated air passing through the heater member 200 to the hot air mix zone 500 side. (410,420);
A hot air mix zone 500 provided in the hot air supply chamber 110 and in which hot air blown from the first and second blowing fans 410 and 420 are mixed; And
The left and right sides of the hot air mix zone 500 are arranged to supply hot air from the hot air mix zone 500 to the upper and lower hot air spray ducts 10 and 20 of the hot air spray chamber 120, respectively. , Right supply duct 170; tenter machine for a film sheet comprising a. The method according to claim 1,
The first and second blowing fans 410 and 420 are tenter machines for film sheets, characterized in that they are arranged close to each other so that the blowing direction of the wind is blown toward the center direction of the outlet 305 side of the suction duct 300, respectively. The method according to claim 1,
The hot air supply chamber 110 is a tenter machine for a film sheet, characterized in that a filter member 650 is further provided in a path supplied from the hot air mix zone 500 to the left and right supply ducts 170 side. The method according to claim 1,
The hot air supply chamber 110 is provided in the suction duct 300 and is connected to the hot air spray chamber 120 through the circulation duct 150, the heater member 200 is accommodated therein, and new air is supplied. A first supply zone 610 provided with a supply damper 710,
It is provided in the suction duct 300, is divided into the first supply zone 610 and the first plate 615, the flow path is connected to communicate with the first supply zone 610, the other side is the hot air mix zone 500 ) And the second supply zone (620) in which the first and second blowing fans (410,420) are disposed and connected to communicate with each other.
It is divided into a second plate 625 on both the left and right sides of the hot air mix zone 500, and a flow path is connected to communicate with the hot air mix zone 500 and connected to the left and right supply ducts 170. 3 A tenter machine for a film sheet, characterized by consisting of a supply zone (630). The method according to claim 1,
A fan inspection port 810 formed on the suction duct 300 and capable of checking the first and second blowing fans 410 and 420 inside the hot air mix zone 500;
A tenter machine for a film sheet, characterized in that an upper inspection tool 820 that is accessible to an operator is provided inside the hot air mix zone 500 above the hot air supply chamber 110.

Images