TWI718954B - Dehydrator - Google Patents

Abstract

To provide a dehydrator that can increase the attraction and dehydration power of the moisture contained in the belt-shaped member. The dehydration part (51) is provided with: a suction part (60) having a plurality of suction ports (62a) on the upper surface that suck the moisture contained in the belt-shaped member (T); and a suction part (60) arranged on the upper surface of the suction part (60) A pair of adjustment members (70) for adjusting the suction width (W) of the suction part (60) with respect to the belt-shaped member (T), and the upper surface of the suction part (60) is arranged along the conveying direction of the belt-shaped member (T), By adjusting the interval between the pair of adjustment members (70) to match the width of the band member (T), the pair of adjustment members (70) opens and closes a part of the plurality of suction ports (62a) to adjust the suction portion (60) The suction width (W) for the belt-shaped member (T).

Description

Dehydrator

The present invention relates to, for example, a dehydrator that removes part of the moisture contained in a belt-shaped member.

As a conventional dehydrator, the following dehydrator is known, which is provided with a suction pipe and a pair of rotation adjustment members, wherein the suction pipe has a suction slot that takes into account the maximum width of the cloth to be dehydrated, and a pair of rotation adjustment members It is provided at both ends of the suction tube, and the suction width of the slot is changed (for example, refer to Patent Document 1). [Prior Art Literature] [Patent Literature]

Patent Document 1: Japanese Kokai Publication No. 63-030395

[The problem to be solved by the invention] However, in the dehydrator described in Patent Document 1, the rotation adjusting member is a bottomed cylindrical member having a tapered surface cut obliquely from the top end to the base end side. Therefore, the sucked air is removed from The gap between the tapered surface of the rotation adjusting member in the slot and the both ends of the cloth in the width direction leaks, and the attractive force is low. In addition, due to the small size of the slit in the conveying direction of the cloth, the contact time between the cloth and the slit during the conveying process is short, and the dehydration force is low.

The present invention has been completed in view of the foregoing circumstances, and its object is to provide a dehydrator that can increase the attraction and dehydration power of the moisture contained in the belt-shaped member. [Technical means to solve the problem]

The above-mentioned object of the present invention is achieved by the following structure. (1) A dehydrator that removes part of moisture contained in a fiber-made belt-shaped member that is transported in one direction, and is characterized by including at least one dehydration section, and the at least one dehydration section includes: a suction section The upper surface has a plurality of suction openings for sucking the moisture contained in the belt-shaped member; and a pair of adjustment members arranged on the upper surface of the suction portion to adjust the suction width of the suction portion with respect to the belt-shaped member, the The upper surface of the suction portion is arranged along the conveying direction of the belt-shaped member, and the interval between the pair of adjustment members is adjusted to match the width of the belt-shaped member, and the plurality of suction ports are separated by the pair of adjustment members. A part of is opened and closed to adjust the suction width of the suction portion with respect to the band-shaped member. (2) The dehydrator according to (1), characterized by further comprising a gas-liquid separator connected to the at least one dehydration unit, and a vacuum pump connected to the gas-liquid separator. (3) The dehydrator according to (2), characterized in that the suction part includes: a base part having a suction hole penetrating in the vertical direction; and a suction plate to block the upper opening of the suction hole The method is installed on the upper surface of the base portion, and the plurality of suction ports are provided on the suction plate. (4) The dewatering machine according to any one of (1) to (3), wherein the at least one dewatering section further includes a driving device that drives the pair of adjustments in the width direction of the belt-shaped member. part. (5) The dehydrator according to (4), wherein the drive device includes: a ball screw device that moves the pair of adjustment members; and a pair of guide rods that guide the movement of the pair of adjustment members. (6) The dehydrator according to (5), wherein the drive device further includes a motor that drives the ball screw device. (7) The dehydrator according to (2), further comprising: a drain tank connected to the gas-liquid separator; a first valve provided between the gas-liquid separator and the drain tank; and When the second valve between the drain tank and the drain port discharges the water in the drain tank, the first valve is closed and then the second valve is opened. After the drain is completed, the second valve is closed and the second valve is opened. 1 valve. [Effects of the invention]

According to the present invention, by adjusting the interval between the pair of adjustment members to match the width of the band-shaped member, the pair of adjustment members opens and closes part of the plurality of suction ports of the suction portion, thereby adjusting the suction portion against the band-shaped member. The suction width, therefore, can suppress the leakage of the sucked air, thereby increasing the suction force to the moisture contained in the belt-shaped member. In addition, since the upper surface of the suction portion is arranged along the conveying direction of the belt-shaped member, the contact time between the belt-shaped member and the plurality of suction openings during conveying can be extended, thereby increasing the dehydration power.

Hereinafter, a dryer using an embodiment of the dehydrator of the present invention will be described in detail based on the drawings. It should be noted that in the following description, suppose that the upper side refers to the upper side relative to the paper surface of FIG. 1, the lower side refers to the lower side relative to the paper surface of FIG. 1, and the front side refers to the paper surface of FIG. The front side of the paper, the back side refers to the back side relative to the paper surface of Figure 1, the left side refers to the left side relative to the paper surface of Figure 1, and the right side refers to the paper surface of Figure 1 Right. Regarding the upstream side and the downstream side, the right side is the upstream side and the left side is the downstream side based on the conveying direction of the belt-shaped member.

The dryer 10 dries the fiber-made belt-shaped member T while conveying it. As shown in FIG. 1, the dryer 10 includes: a drying box 20 having a drying chamber 21 through which the belt-shaped member T passes through; and conveying the belt-shaped member T Device 30; a plurality of guide rollers 41 that are arranged in the drying chamber 21 and guide the conveyance of the belt-shaped member T; and a plurality of hot air supply ducts 42 that supply heated air to the drying chamber 21. In addition, in the dryer 10, the belt-shaped member T passes through the drying chamber 21 filled with high-temperature air, so that the belt-shaped member T containing moisture is heated and dried. In addition, the dryer 10 illustrated in the figure is configured to convey two belt-shaped members T in parallel in the front-rear direction (see FIG. 4 ), and to dry the two belt-shaped members T at the same time. In addition, the fiber-made belt-shaped member T is, for example, a fastener tape or a fastener chain of a slide fastener.

The conveying device 30 includes: a first feeding device 31 arranged on the upstream side (right side in FIG. 1) than the drying box 20, and a second feeding device 32 arranged on the downstream side (left side in FIG. 1) than the drying box 20 , And a tension measuring device 33 arranged between the first feeding device 31 and the second feeding device 32 and measuring the tension of the belt-shaped member T. According to the illustrated example, the tension measuring device 33 is arranged between the first feeding device 31 and the drying box 20. In addition, the tension measuring device 33 may be arranged between the drying box 20 and the second feeding device 32. The first feeding device 31 and the second feeding device 32 are provided with drive rollers 31a and 32a and pressure rollers 31b and 32b, respectively, and convey the belt-shaped member T therebetween.

The tension measuring device 33 has a measuring roller 33a that is in contact with the belt-shaped member T during transportation, and a sensor (not shown) that measures the load applied from the belt-shaped member T to the measuring roller 33a. The tension applied to the belt-shaped member T is measured based on the load applied to the measuring roller 33a. In addition, according to the illustrated example, the tension measuring device 33 has: a first guide roller 33b arranged on the upstream side in the conveying direction of the belt-shaped member T than the measuring roller 33a, and a first guide roller 33b arranged on the belt-shaped member than the measuring roller 33a The second guide roller 33c on the downstream side of the T conveying direction. Each guide roller 33b, 33c guides the conveyance of the belt-shaped member T so that the belt-shaped member T may be wound around the predetermined range around the measuring roller 33a.

In addition, as shown in FIG. 1, the dryer 10 further includes a dehydrator 50 arranged on the upstream side of the belt-shaped member T in the conveying direction of the first feeder 31. This dehydrator 50 removes part of the moisture contained in the belt-shaped member T before the belt-shaped member T is sent into the drying box 20.

As shown in FIG. 2, the dehydrator 50 of the present embodiment includes: two dehydration sections 51 that perform dehydration of two belt-shaped members T; a gas-liquid separator 52 connected to the two dehydration sections 51; and a gas-liquid separator The vacuum pump 53 connected to the upper end of 52; the drain tank 54 connected to the lower end of the gas-liquid separator 52; the first valve 55 provided between the gas-liquid separator 52 and the drain tank 54; and the drain tank 54 and the drain port 57 between the second valve 56. In addition, in this embodiment, there are two dewatering sections 51 for dewatering the two belt-shaped members T, but it is not limited to this, and one or three may be provided according to the number of belt-shaped members T to be dehydrated. More than one.

As shown in FIGS. 3 to 5, the dehydration unit 51 includes a suction unit 60 that sucks the moisture contained in the belt-shaped member T; and a pair of adjustment members 70 that are arranged on the upper surface of the suction unit 60 to adjust the suction The portion 60 is directed to the suction width W of the belt-shaped member T; and a driving device 80 that drives the pair of adjustment members 70 in the width direction of the belt-shaped member T. In addition, the two dehydration units 51 are arranged on the upper surface of the base plate 58 so that their front and rear directions are opposite to each other. In addition, the pair of adjustment members 70 also function as a guide member that guides the conveyance of the belt-shaped member T. Thereby, the movement of the band-shaped member T in the width direction (front-rear direction) is suppressed, and the deviation between the band-shaped member T and the suction portion 60 in the width direction of the band-shaped member T can be suppressed.

The suction part 60 includes: a rectangular parallelepiped base part 61, which is mounted on the upper surface of the base plate 58 and has a suction hole 61a penetrating in the vertical direction; and a suction plate 62 that blocks the upper opening of the suction hole 61a It is mounted on the upper surface of the base portion 61 and has a plurality of suction ports 62a penetrating in the vertical direction; and a suction tube 63, one end of which is connected to the lower opening of the suction hole 61a of the base portion 61. In addition, the other end of the suction pipe 63 is connected to the gas-liquid separator 52. In addition, the suction pressure (vacuum pressure) of the suction unit 60 is, for example, -10 kpa to -90 kpa.

Regarding the suction plate 62, the plurality of suction ports 62a of the suction plate 62 are arranged in a honeycomb shape in this embodiment. In addition, the suction plate 62 is arranged along the conveying direction of the belt-shaped member T. Thereby, the belt-shaped member T is conveyed while making surface contact with the upper surface of the suction plate 62. In addition, the plurality of suction ports 62a are not limited to the honeycomb shape, and may be arranged in a lattice shape. In addition, the shape of the suction port 62a is not limited to a circular shape, and may be a polygonal shape such as an oblong shape, an elliptical shape, and a quadrangular shape, and is not particularly limited. In addition, the number of suction ports 62a is not particularly limited. In addition, the shape of the suction hole 61a of the base portion 61 is formed into a substantially quadrangular shape so as to surround all of the plurality of suction ports 62a arranged in a honeycomb shape, but is not particularly limited.

In addition, as shown in FIG. 5, the strip-shaped member T to be dehydrated passes between the pair of adjustment members 70 and is conveyed so as to be in surface contact with the upper surface of the suction plate 62. In addition, the strip-shaped member T dehydrated in the dehydration section 51 on the other side is transported so as to pass between the second support stand 92 and the third support stand 93 described later.

The adjustment member 70 is a rectangular parallelepiped member, and is placed on the upper surface of the suction plate 62 so that the lower surface thereof is in surface contact with the upper surface of the suction plate 62. That is, the adjustment member 70 is arranged so as to be slidable with respect to the upper surface of the suction plate 62. Therefore, as shown in FIG. 6, by moving the pair of adjustment members 70 in the belt width direction (the left-right direction in FIG. 6), the pair of adjustment members 70 can open or close a part of the plurality of suction ports 62a of the suction plate 62, by In this way, the suction width W of the suction unit 60 can be adjusted in accordance with the belt-shaped member T to be dehydrated. At this time, the upper surface of the suction port 62a whose upper surface is not covered by the band-shaped member T in the width direction among the plurality of suction ports 62a can be covered by the adjustment member 70. Therefore, it is possible to prevent the sucked air from leaking from the suction port 62a whose upper surface is not covered by the belt-shaped member T in the width direction, thereby improving the dehydration power.

As shown in FIGS. 3 to 5, the driving device 80 includes: a ball screw device 81 that moves the pair of adjustment members 70; a pair of guide rods 85 that guide the movement of the pair of adjustment members 70; and a motor 86 that drives the ball screw device 81 ; The first support base 91 and the second support base 92 that support the ball screw device 81 and the third support base 93 that supports the motor 86 are respectively arranged in the front-rear direction via the suction portion 60.

The ball screw device 81 includes: a screw shaft 82 having a normal thread portion 82a formed on one end side and a reverse thread portion 82b formed on the other end side; and a nut 83 attached to the normal thread portion 82a and the reverse thread portion 82b, respectively On the shaft. In addition, the formation positions of the normal thread portion 82a and the reverse thread portion 82b may be reversed.

The screw shaft 82 is rotatably supported by ball bearings 94 attached to the first support base 91 and the second support base 92, respectively. The nut 83 is fitted and fixed to the center of the adjustment member 70 in the left-right direction.

In addition, the screw shaft 82 has an input shaft 82c extending from the reverse threaded portion 82b to the motor 86 side, and the rotating shaft 86a of the motor 86 is connected to the input shaft 82c via a coupling 95. Thereby, the motor 86 can rotate the screw shaft 82.

According to the dewatering unit 51 configured in this way, the motor 86 rotates the screw shaft 82 to one side, and the pair of adjustment members 70 move so as to approach each other in the band width direction, so that the suction width W of the suction unit 60 is narrowed (refer to FIG. 6). On the other hand, when the motor 86 rotates the screw shaft 82 to the other side, the pair of adjustment members 70 move so as to be away from each other in the band width direction, and the suction width W of the suction portion 60 becomes wider. That is, by adjusting the interval between the pair of adjustment members 70 to match the width of the band member T, the pair of adjustment members 70 opens and closes a part of the plurality of suction ports 62a, thereby adjusting the suction width of the suction portion 60 W.

In addition, a cover member 96 covering the periphery of the input shaft 82 c of the screw shaft 82 and the coupling 95 is attached to the second support base 92 and the third support base 93. Thereby, the strip-shaped member T dehydrated in the other side of the dehydration section 51 can be prevented from contacting the input shaft 82c of the screw shaft 82 and the coupling 95, and the strip-shaped member T can be prevented from being entangled. In addition, the belt-shaped member T passes through an opening formed by the base plate 58, the second support stand 92 and the third support stand 93, and the cover member 96.

The pair of guide rods 85 penetrate the pair of adjustment members 70 in the front-rear direction, and both ends thereof are supported by the first support base 91 and the second support base 92, respectively. In addition, a stopper bolt 97 is attached to the first support base 91, and the stopper bolt 97 stops the movement of the adjustment member 70 to the outside in the belt width direction by abutting against the side surface of the adjustment member 70. In addition, the stop bolt 97 can also be flexibly used as a reference when positioning the initial position of the adjustment member 70 when the machine is started (at the time of startup).

In addition, in the dehydrator 50 of the present embodiment, when the water in the drain tank 54 is discharged (when the water is full, etc.), in order to maintain the suction pressure (vacuum pressure) of the suction unit 60 constant, the first valve is closed. After 55, the second valve 56 is opened for control. Then, after the drainage is completed, the second valve 56 is closed and then the first valve 55 is controlled to be opened. Thereby, the suction pressure of the suction part 60 does not change, and therefore the amount of dehydration can be maintained constant.

In addition, when draining water, air is supplied into the drain tank 54 and pressure is applied to the water to drain water in a short time. In addition, the series of drainage operations described above are automatically performed based on a signal from a water level sensor provided in the drainage tank 54. In addition, instead of automatic drainage based on the water level sensor, manual drainage may be used.

As described above, according to the dehydrator 50 of the present embodiment, by adjusting the interval between the pair of adjustment members 70 to match the width of the belt-shaped member T, the pair of adjustment members 70 remove a part of the plurality of suction ports 62a. By opening and closing, the suction width W of the suction portion 60 is adjusted, so that leakage of the sucked air can be suppressed, and the suction force for the moisture contained in the band-shaped member T can be improved. In addition, since the suction plate 62 constituting the upper surface of the suction portion 60 is arranged along the conveying direction of the belt-shaped member T, the contact time between the belt-shaped member T and the plurality of suction ports 62a during conveyance can be extended, and the dehydration force can be improved.

Next, as a modified example of the dehydration section 51 of the present embodiment, as shown in FIGS. 7A and 7B, one of the pair of adjustment members 70 (the left side in the figure) may be set as a fixed section, and the other ( The right side in the figure) is set as a movable part. In this modification, the adjustment member 70 on the movable portion side is driven in the width direction of the belt-shaped member T by the cylinder device 80B as the driving device. Thereby, the suction width W of the suction part 60 can be adjusted in accordance with the belt-shaped member T to be dehydrated. In addition, the cylinder device 80B is a pneumatic or hydraulic cylinder device.

In addition, the present invention is not limited to the invention exemplified in the above-mentioned embodiment, and can be appropriately changed without departing from the gist of the present invention. For example, in this embodiment, the base part of the suction part and the suction plate are formed separately, but they may be formed integrally. In addition, the drive device that drives the pair of adjustment members may not include a motor. In this case, it is configured that a handle or the like is attached to the screw shaft of the ball screw device, and the screw shaft is manually rotated.

10: Dryer 20: Drying box 21: Drying room 30: Conveying device 31: The first feeding device 31a, 32a: drive roller 31b, 32b: pressure roller 32: The second feeding device 33: Tension Tester 33a: Measuring roller 33b: 1st guide roller 33c: 2nd guide roller 41: Guide roller 42: Hot air supply pipe 50: dehydration machine 51: Dehydration Department 52: Gas-liquid separator 53: Vacuum pump 54: Drain tank 55: 1st valve 56: 2nd valve 57: Drain 58: base plate 60: Attraction Department 61: Base 61a: suction hole 62: Attraction board 62a: suction mouth 63: Suction tube 70: Adjust parts 80: drive device 80B: Cylinder device 81: Ball screw device 82: screw shaft 82a: Normal thread 82b: Reverse thread part 82c: input shaft 83: Nut 85: guide rod 86: Motor 86a: Rotation axis 91: The first support platform 92: The second support platform 93: 3rd support platform 94: Ball bearing 95: Coupling 96: cover parts 97: stop bolt W: Attraction width T: Ribbon parts

Fig. 1 is a schematic front view illustrating a dryer adopting an embodiment of the dehydrator of the present invention. Fig. 2 is a schematic front view of the dehydrator shown in Fig. 1. Fig. 3 is a perspective view of the dehydration section shown in Fig. 2. Fig. 4 is a plan view of the dehydration section shown in Fig. 2. Fig. 5 is a cross-sectional view taken along line A-A in Fig. 4. Fig. 6 is a cross-sectional view illustrating the operation of a pair of adjustment members shown in Fig. 5. Fig. 7A is a schematic plan view illustrating a modification of the dehydration section. Fig. 7B is a schematic plan view illustrating the operation of a pair of adjustment members shown in Fig. 7A.

10: Dryer

20: Drying box

21: Drying room

30: Conveying device

31: The first feeding device

31a, 32a: drive roller

31b, 32b: pressure roller

32: The second feeding device

33: Tension Tester

33a: Measuring roller

33b: 1st guide roller

33c: 2nd guide roller

41: Guide roller

42: Hot air supply pipe

50: dehydration machine

Claims (7)

A dehydrator (50) that removes part of the moisture contained in a fiber-made belt-shaped member (T) conveyed in one direction, and is characterized in that: Equipped with at least one dehydration part (51), The at least one dehydration part (51) includes: A suction part (60) having a plurality of suction ports (62a) on the upper surface that suck the moisture contained in the belt-shaped member (T); and A pair of adjustment members (70) arranged on the upper surface of the suction portion (60) and adjust the suction width (W) of the suction portion (60) with respect to the belt-shaped member (T), The upper surface of the suction part (60) is arranged along the conveying direction of the belt-shaped member (T), By adjusting the interval between the pair of adjustment members (70) to match the width of the belt-shaped member (T), the plurality of suction ports (62a) are adjusted by the pair of adjustment members (70). A part of is opened and closed to adjust the suction width (W) of the suction part (60) with respect to the belt-shaped member (T). The dehydrating machine (50) according to claim 1, wherein: It also includes a gas-liquid separator (52) connected to the at least one dehydration unit (51), and a vacuum pump (53) connected to the gas-liquid separator (52). The dehydrating machine (50) according to claim 2, wherein: The suction portion (60) includes: a base portion (61) having a suction hole (61a) penetrating in the vertical direction; and a suction plate (62) that seals the upper opening of the suction hole (61a) Is installed on the upper surface of the base part (61) in a blocking manner, The plurality of suction ports (62a) are provided on the suction plate (62). The dehydrating machine (50) according to any one of claims 1 to 3, wherein: The at least one dehydration unit (51) is further provided with a driving device (80) that drives the pair of adjustment members (70) in the width direction of the belt-shaped member (T). The dehydrating machine (50) according to claim 4, wherein: The driving device (80) includes: a ball screw device (81) that moves the pair of adjustment members (70); and a pair of guide rods (85) that guide the movement of the pair of adjustment members (70) ). The dehydrating machine (50) according to claim 5, wherein: The driving device (80) further includes a motor (86) that drives the ball screw device (81). The dehydrating machine (50) according to claim 2, wherein: It also includes: a drain tank (54) connected to the gas-liquid separator (52); a first valve (55) provided between the gas-liquid separator (52) and the drain tank (54); And a second valve (56) provided between the drain box (54) and the drain port (57), When the water in the drain tank (54) is drained, the first valve (55) is closed and then the second valve (56) is opened. After draining is completed, the second valve (56) is closed and then opened The first valve (55).

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