KR101798930B1 - Apparatus for supplying hat wind in tenter machine - Google Patents

Abstract

The present invention relates to a hot air supplying apparatus for a fiber drying setting device. According to an embodiment of the present invention, the hot air supplying apparatus for the fiber drying setting device comprises upper and lower hot air blowing ducts (100, 200), a first blowing hole (300A), a second blowing hole (300B), and a guide member (500). The hot air supplying apparatus for the fiber drying setting device according to the present invention can prevent damage on a lower surface of fiber fabric.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a hot air supply device for a fiber drying setter,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot air supplying device for a fiber drying setter, and more particularly, to a hot air supplying device for a fiber drying setter, in which a hot air is blown toward a fiber fabric passing through a chamber, The present invention also relates to a hot air supply device for a fiber drying setting device, which is improved in structure to prevent the occurrence of weight deviation on the left and right sides of the fabric.

Generally, the processing of fabric fabrics such as woven fabrics or knitted fabrics includes a heat setting process performed as a pre-dyeing process, a drying process performed as a post-dyeing process, And a tenter machine is mainly used as a device for carrying out such a process.

A conventional tenter device includes a chamber having a fabric fabric horizontally passing through the upper space and having fabric fabric inlet and fabric fabric outlet at the upstream side and the downstream end of the fabric in the conveying direction; 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 connected to the other side of the hot air generating duct and extending upward and having a plurality of hot air outlets opened on the upper side toward the one side of the hot air generating duct; An upper and a lower hot air spray nozzle coupled to a surface of the nozzle body facing the fabric end, and having a plurality of nozzle holes; The air in the chamber is sucked through the heater and the hot air generating duct to blow air into the hot air blowing nozzle through the hot air supply duct to blow hot air through the nozzle hole of the hot air blowing nozzle, And an air blower for blowing air to the upper and lower surfaces of the blower.

The entire length of the chamber is determined in accordance with the feed rate and processing conditions in the processing of the fabric raw material. The chamber is constructed by connecting a plurality of unit chambers having a length equal to the entire length. The cloth fabric inlet and the fabric fabric outlet are respectively provided in upper and lower end unit chambers provided at upper and lower ends of the unit chambers.

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

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

Prior art related to the hot air supply of existing tenter machines is disclosed in Korean Patent Registration No. 10-0613898 entitled " Hot Air Supply and Distribution Structure of Tenter Machine "(Registered Date: August 10, 2006) A circulation fan for forcedly circulating and supplying hot air to the air guide duct side, a circulation fan for circulating and supplying the hot air to the air guide duct side, a circulation fan for circulating the hot air to the air guide duct side, A duct member for guiding the air recovered in the chamber to the circulating fan side and a heating member for reheating air to be guided through the duct member, wherein the air guide duct comprises a circulation fan An upper branch duct and a lower branch duct for branching hot air forcedly transferred and guided to the upper and lower hot air blowing ducts, respectively, Ducts is to achieve a guidance channel of the same shape and length interconnected by the intermediate partition wall.

Other prior art related to conventional tentering machines are disclosed in Korean Patent Application No. 10-1497960 entitled " Hot Air Supply Device for Fiber Drying Setting Device "(Registered on Feb. 25, 2015) A duct member connected to the duct member and partitioned by an intermediate partition wall to have a first and a second guide passage and being communicated with a hot wind transmitted from the duct member, The upper and lower branch ducts are connected to the upper and lower branch ducts, respectively. The upper and lower branch ducts are connected to the upper and lower branch ducts. An upper and a lower hot air blowing duct for blowing hot air, and a hot air blower for blowing hot air, which is rotatably disposed inside the upper and lower branch ducts, A first and a second circulating fans for blowing air to the upper and lower hot air blowing ducts and forcibly circulating the air to the upper and lower hot air blowing ducts; And first and second drive motors.

However, in the conventional fiber drying setting apparatus, hot air blown from a plurality of nozzle holes formed on opposite facing surfaces of the upper and lower hot air blowing ducts is transmitted to the upper and lower sides of the fiber fabric to prevent deflection of the fiber fabric during transportation However, in the region where the nozzle hole is not formed, there is a fear that the fiber fabric is deflected in the process of transferring from the left side to the right side of the chamber. Therefore, when the deflection of the fiber fabric occurs, As shown in FIG. 1, when the underside of the drooping fabric comes into contact with a portion of the upper and lower hot air-blowing ducts inside the chamber, such as the edge, scratches are generated and a fabric damage such as a stripe is generated There was concern.

Korean Patent Registration No. 10-0613898 entitled " Hot Air Supply and Distribution Structure of Tenter Machine "(Registered Date: 2006.08.10) Korean Patent Registration No. 10-1497960 entitled "Hot Air Supply Device for Fiber Drying Setting Device" (Registered on Feb. 25, 2015)

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a blower for blowing fabrics on side portions of upper and lower hot air blowing ducts, There is provided a hot air supply device for a fiber drying setting device having an improved structure for preventing damages of a fiber fabric and preventing a weight deviation during transfer of the fiber fabric.

According to an aspect of the present invention, there is provided an apparatus for blowing a hot air, comprising: an upper and a lower hot air blowing duct having a plurality of nozzles spaced apart from each other by a plurality of rows of nozzles for spraying hot air, Wow; The upper and lower hot air blowing ducts are formed at the outer side portions of the upper and lower hot air blowing ducts at the outermost sides of the upper and lower hot air blowing ducts to open laterally so as to dry the fiber fabric and prevent sagging, A first blowing hole for blowing out hot air for blocking inflow of external air into the upper and lower hot air blast ducts; A width adjusting cover disposed in the middle of the lower hot air blowing ducts is formed in a shape of a long hole opened laterally on a side surface of a lower hot air blowing duct on both left and right sides facing each other to dry the fiber cloth, A second air blowing hole for blowing hot air to float the lower side of the fiber cloth passing through the fiber cloth to prevent sagging; And a guide member formed on a side surface of the upper and lower hot air blowing ducts in which the first and second blowing holes are formed and guiding the hot air discharged from the first and second blowing holes toward the fiber fabric end side. The guide member for guiding the hot air of the second blow hole has a fixing part having one end fixed to the side part and a guide part extending upward from the end of the fixing part to guide the hot air discharged from the second blowing hole upward And a bent portion extending from an end of the inclined surface and bent in a direction to return hot air to the other end portion of the inclined surface.

The upper and lower hot air discharge ducts are further provided with flange portions for forming a return flow path for returning hot air blown to the side end portions of the upper and lower hot air blast ducts.

The end portions of the flange portions 130 and 230 are bent in a direction in which hot air returns.

A guide member for guiding the hot wind of the first blow hole is provided with a coupling piece coupled to the side portion at one end thereof and a coupling piece extending from the side portion of the upper and lower hot air blast ducts extending from the end of the coupling piece, And a vertical piece for guiding the hot air discharged from the first ventilation hole in a vertical direction.

And third blowing holes for discharging hot air in correspondence with the second blowing holes are further provided on opposite side surfaces of the left and right upper hot air blowing ducts disposed on the left and right upper and lower side of the left and right lower hot air blowing ducts of the width adjusting cover .

The guide member includes a support piece fixed to an inner surface of a lower hot air blowing duct having the blow hole at one end thereof and a support piece extending from an end of the support piece at an opposite end to an inner side of the lower hot air blow duct, And a third bracket provided with an extension piece.

The present invention relates to a method and apparatus for fabricating fibers at a portion where no hot air is blown from the nozzle holes 105 of the upper and lower hot air blowing ducts 100 and 200 while the fiber fabric C is being conveyed in the chamber 10 of the fiber drying setter such as a tenter machine, It is possible to prevent the fabric C from being sagged so that the occurrence of the left and right weight deviations of the fabric fabric C can be prevented and the occurrence of damage on the lower side of the fabric fabric C can be prevented .

In the present invention, when the second bracket 500B is disposed in the first blowing hole 300A, the hot air discharged from the first blowing hole 300A is vertically guided to the inlet 12 and the outlet 14 Air blowing ducts 100 and 200. The air blowing ducts 100 and 200 are installed in the upper and lower hot air blowing ducts 100 and 200, respectively.

1 is an exemplary view showing deflection of a fiber fabric during conveyance of a conventional fiber drying setter;
FIG. 2 is a schematic view of a fiber drying setting device to which a hot air supply device for a fiber drying setting device according to the present invention is applied. FIG.
3 is a side view showing the configuration of the air blowing hole and the guide member of the present invention.
4 is a front view of the hot air supply device for the fiber setting device of the present invention.
5A, 5B and 5C are views showing various forms of the guide member of the present invention.
6 is a use state diagram of the present invention.
Figure 7 illustrates another embodiment of the present invention.

2 to 6, a hot air supply device for a fiber drying setter according to the present invention includes a plurality of nozzle holes (not shown) The upper and lower hot air blowing ducts 100 and 200 are formed so as to be separated from each other by a plurality of rows. The upper and lower hot air blowing ducts 100 and 200 have air holes 300 formed at one side or the other side thereof, And a guide member 500 for guiding hot air from the hot air blowing duct 300 through the blowing holes 300 to the fiber cloth C side.

2 and 4, the fiber drying setting device to which the hot air supplying device of the present invention is applied is provided with an inlet 12 and an outlet 14 at the front end and the rear end in the conveying direction of the fiber cloth C, (Not shown) coupled to one side of the hot air generating duct 20, a hot air generating duct 20 disposed in a lower space of the chamber 10, a hot air generating duct 20 A hot air supply duct 30 connected to the other side of the hot air supply duct 30 and extending upward and having a plurality of hot air outlets opened on one side of the hot air generating duct 20, A blowing motor 45 for sucking the air in the chamber 10 through the hot air generating duct 20 and blowing the air into the upper and lower hot air blowing ducts 100 and 200 through the hot air supplying duct 30, And a blowing fan (42).

The lower hot air jetting duct 200 has a nozzle hole 105 formed on an upper surface thereof and a nozzle hole 105 formed on a lower surface of the upper hot air jetting duct 100, The hot air blown from the plurality of nozzle holes formed on the opposed faces of the lower hot air blowing ducts 100 and 200 is transmitted to the upper and lower sides of the fiber cloth C to prevent deflection during conveyance of the fiber cloth C have.

Referring to FIG. 3, the blowing holes 300 formed in the side portions of the upper and lower hot air blowing ducts 100 and 200 are formed in the shape of a long hole so as to open laterally.

Referring to FIG. 4, the blowing hole 300 includes a first blowing hole (not shown) formed on an outer side surface of the upper and lower hot air blowing ducts 100 and 200 disposed on the outermost side of the plurality of upper and lower hot air blowing ducts 100 and 200, And the second hot air blowing duct 200 on the left and right sides facing each other toward the upper side of the width adjusting cover 50 disposed between the upper and lower hot air blowing ducts 100 and 200, And the ventilation hole 300 of the present invention may include one of the first and second ventilation holes 300A and 300B or the ventilation holes 300A and 300B of the present invention. .

5A, the guide member 500 includes a fixing piece 512 fixed to the side portion at one end thereof, a slope surface 514 extending from the end of the fixing piece 512 to be inclined upward, A first bracket 500A extending from an end of the inclined surface 514 at the other end and having a bent piece 516 bent in a direction in which hot air is returned, (Formed) in a vertical direction from the side portions of the upper and lower hot air blowing ducts 100 and 200 extending from the end of the coupling piece 522 and approaching from the first blowing hole 300A, A second bracket 500B having a vertical piece 525 for guiding the hot air discharged from the air blow hole 300 in the vertical direction or a second bracket 500B having a bottom air hole A support fixed to the inner surface of the injection duct 200 And an extension piece 535 extending inward from an end of the support piece 532 at an opposite end and extending in an angle direction inclined toward the inside of the lower hot air discharge duct 200 3 brackets (500C).

The first and third brackets 500A and 500C are preferably disposed in the second blowing hole 300B for blowing hot air to the upper side of the width adjusting cover 50 having a large gap between the nozzle holes 105 And the second bracket 500B is disposed at a position adjacent to the first ventilation hole 300A so that hot air discharged through the first ventilation hole 300A flows into the inlet 12 and the outlet 14 of the chamber 10. [ To the fiber fabric (C) passing through the fabric.

The hot air guided by the first and third brackets 500A and 500C is guided in an inclined angle direction and the hot air guided by the second bracket 500B is guided in a vertical direction to guide the Up and down.

The upper and lower hot air blowing ducts 100 and 200 disposed at left and right ends of the upper and lower hot air blowing ducts 100 and 200 arranged in a plurality of rows and the upper and lower hot air blowing ducts 100 and 200 The blow holes 300 may be formed in the side surfaces of the other upper and lower hot air blowing ducts 100 and 200. [

6, the upper and lower ducts 110 and 210 and the lower ducts 120 and 220 are coupled in a superposed state so as to have a cavity, and the upper and lower ducts 110 and 210 and the lower ducts 120 and 220, 120 and 220 are formed at the ends of the side portions of the upper and lower hot air blowing ducts 100 and 200 so as to form return passages in which the hot air blown through the nozzle holes 105 is returned, .

Each of the flange portions 130 and 230 has a structure bent in a direction in which hot air returns.

The present invention having such a configuration is characterized in that the fiber cloth C passing through the inside of the chamber 10 in the left or right direction through the entry opening 12 and the exit opening 14 of the chamber 10, Is sucked through the hot air generating duct 20 and then blown into the upper and lower hot air blowing ducts 100 and 200 through the hot air supplying duct 30 and the hot air in the upper and lower hot air blowing ducts 100 and 200 And is blown onto upper and lower surfaces of the fiber cloth C through the air blowing hole 105 and the air blowing hole 300.

Since the upper and lower hot air blowing ducts 100 and 200 of the present invention have a plurality of nozzle holes 105 formed on opposite sides thereof facing each other, The fiber cloth C is dried by spraying hot air and when the ventilation hole 300 is formed in the side surface portion, the fiber cloth C in the section where the nozzle hole 105 is not located is lifted to prevent sagging .

As described above, in the first blowing hole 300A formed in the outer side surface of the upper and lower hot air blowing ducts 100 and 200 disposed at the outermost sides of the inlet 12 and the outlet 14 of the chamber 10, The guide member 500 which is the bracket 500B is closely arranged so that the hot air discharged to the side of the first blowing hole 300A is guided vertically while striking the vertical piece 525 of the second bracket 500B .

The hot air discharged from the first blowing hole 300A is transferred to the upper and lower sides of the fiber cloth C passing through the inlet 12 and the outlet 14 to dry the fiber cloth C, C, and also functions as an air curtain to block the introduction of outside air into the chamber 10.

Since the second blowing holes 300B are formed on the opposite sides of the lower hot air blowing duct 200 disposed on the left and right sides of the width adjusting cover 50, The hot air discharged through the first bracket 500A or the third bracket 500C is guided obliquely upward so that the air blown toward the upper side of the width adjusting cover 50 and passes through the upper side of the width adjusting cover 50 It is possible to float the lower side of the fabric C to prevent sagging.

At this time, the third bracket 500C protrudes inwardly from the inner surface of the side surface of the lower hot air blowing duct 200 and is formed in an inclined direction, so that the third bracket 500C does not protrude outside the upper and lower hot air blowing ducts 100 and 200 And there is no restriction on the installation space.

7 is a view showing another embodiment of the present invention in which the left and right upper airflow ducts 200 arranged on the upper side of the left and right lower airflow ducts 200 on the left and right sides of the width adjusting cover in which the second airflow hole 300B described above is formed, The third blowing hole 300C and the third blowing hole 300C are formed on the side surfaces of the jetting duct 100 facing each other.

The third blowing hole 300C is connected to the second blowing hole 300B and blows hot air on the upper and lower sides of the fiber fabric C to improve the drying performance of the fabric and increase the touch effect of the fabric .

To this end, in order to supply hot air in an inclined angle direction so as to blow hot air in the upper direction of the width adjusting cover 50, which is a wide space between the nozzle holes 105 in the third air hole 300C, One of the first and third brackets 500A and 500C formed to correspond to the guide direction of the hot air to the first bracket 500A or the third bracket 500C installed in the duct 200 is disposed.

Accordingly, the present invention can be applied to the case where the hot air is not blown from the nozzle holes 105 of the upper and lower hot air blowing ducts 100 and 200 while the fiber fabric C is being conveyed in the chamber 10 of the fiber drying setter such as a tenter machine, It is possible to prevent the fiber cloth C from being sagged at the lower end of the fiber cloth C, thereby preventing the occurrence of the left and right weight deviations of the fiber cloth C, And the like.

When the second bracket 500B is disposed in the first blowing hole 300A, the hot air discharged from the first blowing hole 300A is guided in the vertical direction and flows into the inlet 12 and the outlet 14, Air blowing ducts 100 and 200 from the upper and lower hot-air blowing ducts 100 and 200, respectively.

10: chamber 20: hot air generating duct
30: hot air supply duct 42: blowing fan
45: Blower motor 50: Width adjustment cover
100, 200: upper and lower hot air blowing duct 105: nozzle hole
300: ventilation holes 300A and 300B: first and second ventilation holes
500: guide member 500A: first bracket
500B: second bracket 500C: third bracket
512: fixed piece 514: inclined surface
516: Bending piece 522:
525: vertical piece 532:
535: Extension piece C: Textile fabric

Claims (6)

The upper and lower hot air blowing ducts 100 and 200 having a plurality of nozzle holes 105 arranged to be spaced apart from each other by a plurality of rows to spray hot air on upper and lower sides of the textile fabric C, Wow;
The upper and lower hot air blowing ducts 100 and 200 disposed at the outermost side of the upper and lower hot air blowing ducts 100 and 200 are formed in the shape of a long hole opened laterally on the outer side surface of the upper and lower hot air blowing ducts 100 and 200, A first blowing hole (300A) for discharging hot air to prevent the outside air flowing through the inlet (12) and the outlet (14) from flowing into the upper and lower hot air blowing ducts (100, 200) side;
A width adjusting cover 50 disposed in the middle of the lower hot air blowing ducts 200 is formed in the shape of a slit opening laterally at side portions of the lower hot air blowing duct 200 on the left and right sides facing each other, A second blowing hole (300B) for drying the fabric (C) and discharging hot air for lifting the lower side of the fabric (C) passing through the upper side of the width adjusting cover (50) to prevent sagging; And
The first and second ventilation holes 300A and 300B are formed at the side portions of the upper and lower hot air blowing ducts 100 and 200 to generate hot air discharged from the first and second ventilation holes 300A and 300B, And a guide member (500)
The guide member 500 for guiding the hot wind of the second air blowing hole 300B includes a fixing part 512 having one end fixed to the side part and a second fixing part 512 extending upward from the end of the fixing part 512, And a bent piece 516 extending from an end of the inclined surface 514 and bent in a direction to return hot air to the other end of the inclined surface 514 guiding the hot air discharged from the ventilation hole 300B in an upward inclined direction Wherein the first bracket (500A) is a first bracket (500A). The method according to claim 1,
Further comprising a flange part (130,230) formed on a side end of the upper and lower hot air blowing ducts (100,200) to form a return flow path for returning hot air blown. The method of claim 2,
Wherein the end portions of the flange portions (130, 230) are bent in a direction of returning hot air. The method according to claim 1,
The guide member 500 for guiding the hot wind of the first blowing hole 300A includes a coupling part 522 coupled to the side part at one end and a coupling part 522 extending from the end of the coupling part 522, And a vertical piece 525 arranged vertically from the side portions of the upper and lower hot air blast ducts 100 and 200 from the upper and lower air blow holes 300A to guide the hot air discharged from the first air blow hole 300A in the vertical direction, Wherein the bracket is a bracket (500B). The method according to claim 1,
The left and right upper hot air blowing ducts 100 disposed on the upper side of the left and right lower side hot air blowing ducts 200 on the left and right sides of the width adjusting cover 50 are provided on opposite side surfaces of the left and right upper hot air blowing ducts 100, Further comprising a third blowing hole (300C) for discharging the hot air. The method of claim 5,
The opposite side surfaces of the left and right upper hot air blowing ducts 100 provided with the third blowing hole 300C are arranged in such a manner that the hot air discharged from the third blowing hole 300C is discharged from the second blowing hole 300B Further comprising a first bracket (500A) for guiding the hot air in a direction corresponding to the hot air to be guided.

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