JPS61194287A - Apparatus for heat treatment of rope - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a rope heat treatment apparatus.

(Prior art) Conventionally, as this type of heat treatment apparatus, there is one example, for example, JP-A-58.
- As shown in Publication No. 70728, there is a rope made by twisting multiple strands, which is heated and passed through a steam chamber while being kept under tension to the extent that it does not loosen. . In this conventional heat treatment apparatus, a plurality of pairs of guide rollers are arranged in the steam chamber,
The rope is reciprocated multiple times between these guide rollers, allowing the rope to be exposed to the steam in the steam chamber for a long period of time.

(Problem to be Solved by the Invention) However, in the conventional heat treatment apparatus as described above, the steam chamber is kept in a closed state, so the flow state of the rope conveying on the outer peripheral surface of each guide roller is different from that of the outside. I couldn't find out anything from him. Therefore, it is not possible to constantly monitor and prevent dust and fluff from forming on the rope during the heating process, and when problems arise such as untangling the rope on the guide rollers or removing broken ropes, the heating There was a problem in that the main body of the processing device had to be disassembled, which required a great deal of labor.

(Means for Solving the Problems) The present invention has been made by paying attention to the above-mentioned problems, and includes a plurality of pairs of guide rollers disposed in a steam chamber, and a gap between the guide rollers. In a rope heat treatment device that performs heat treatment by making the rope reciprocate a plurality of times and exposing it to steam in a steam chamber, monitoring the inside of the heat treatment device by penetrating an outer shell corresponding to at least two roller support shafts; This invention discloses a rope heat treatment apparatus characterized in that an inspection port for repairs is provided, and a lid is removably attached to the outside of the inspection port via a seal.

(Function) Therefore, in the rope heat treatment apparatus according to the present invention, by removing the lid and opening the inspection port, the flow state of the rope transferred on the outer peripheral surface of each guide roller can be checked through the inspection port. If a problem occurs, you can easily untangle the rope on the guide roller or remove a broken rope without dismantling the heat treatment equipment itself.

Further, inspection and replacement of the roller support shaft, bearing member, and guide roller can be easily performed through this inspection port without dismantling the heat treatment apparatus main body.

(Example) Hereinafter, an example of the present invention will be described in detail with reference to the drawings.

Now, FIG. 2.3 shows a net making machine equipped with the rope heat treatment apparatus of this embodiment. A cylinder (2) is supported rotatably around a horizontal axis on the left side of the base (1) of this net making machine, and a pitch voice (3
) are provided.

One strand bobbin (4) is supported on the base (1) on the left side of the cylinder (2), and two strand bobbins (4) are supported inside the cylinder (2). A strand coil (8) consisting of a strand (5) made of synthetic resin such as polyolefin is set in the bobbin (0).Three wooden strands (5) are pulled out from each strand bobbin (4).
) passes through the cylinder (2) and is guided to the pitch voice (3), and as the cylinder (2) rotates, the pitch voice (3)
The ropes are twisted together and made into a single rope (7).

On the right side of the pitch voice (3), a front capstan roller (8), a heat treatment device (9), and a rear capstan roller (10) are arranged on the base (1).

The rope (7) made from the three wooden strands (5) as described above is wound around the front capstan roller (8) multiple times, and then passed through the heat treatment device (9).
The material is introduced into the device (9) and heated with steam while being maintained at a predetermined tension state.

Moreover, the rope (7) led out from this heat treatment device (8)
) is wound around the rear capstan roller (10) multiple times, and after the attached moisture is evaporated by the residual heat of the rope (7) itself, it is led out of the net making machine as a product.

Next, details of the heat treatment apparatus (8) will be explained in detail according to FIGS. 1 and 4.

Now, in this device, the main steam chamber (
13) is formed, and a rope (7) is formed on both end plates (12).
) is formed with an inlet (14) and an outlet (15) for the inlet (10).
B) is provided, and the outlet (15) is provided with an outlet side labyrinth (17), so that the steam in the main steam chamber (13) leaks to the outside from the inlet (14) and the outlet (15). It is designed to reduce the amount of

A pair of steam ejection pipes (18) are installed in the upper part of the main steam chamber (13).
) are arranged in such a way that they extend over almost the entire length of the main steam chamber (13), and there are numerous steam ejection holes (18a) on the outer periphery of the main steam chamber (13).
are formed at predetermined intervals in the longitudinal direction, and each steam supply pipe (19) is connected to a branch pipe (20).
Steam at a predetermined temperature and pressure is supplied from this steam supply pipe (IS) into the main steam chamber (13) via a steam jet pipe (18).

A cylindrical enclosure (21) is provided on the outer periphery of the outer shell (11).
is fixed, and the main steam body (1
3), a sealed auxiliary steam chamber (22) is sectioned and formed into a so-called double structure.

A steam supply port (23) is formed approximately in the center of the outer periphery and side surface of the enclosure (21), and the steam is supplied from the steam supply pipe (24) into the auxiliary steam chamber (22) through this steam supply port (23). Steam at a higher temperature and higher pressure than the steam is supplied into the main steam chamber (13) to heat and maintain the steam within the main steam chamber (13) at a predetermined temperature. Incidentally, in this example, the pressure inside the main steam chamber (13) is 0.5 kg/cm.
relatively low-pressure, low-temperature steam with a temperature of 110°C is supplied and sealed in the auxiliary steam chamber (22), and the pressure is increased to 3.
．． High-pressure, high-temperature steam at a temperature of 150°C is supplied and sealed at 5 kg/crn', so that the steam in the main steam chamber (13) reaches a temperature of 127-128°C, which is suitable for the heat treatment of the rope (7).
It is designed to be heated and maintained.

A safety valve connection port (25) for the main steam chamber (13), a heat-sensitive port (2B),
A pressure gauge mounting port (27), a thermometer mounting port (28), and a cold air blowing port (29) are formed to protrude through the enclosure (2), and the main steam Room (
13) is formed to protrude through the enclosure (21).

In addition, auxiliary steam chambers (2
A safety valve connection port (31), a heat-sensitive port (32), a pressure gauge installation port (33), and a thermometer installation port (30) for 2) are formed protrudingly, and an auxiliary steam A drain port (35) for the chamber (22) is formed in a protruding manner.

In the main steam chamber (13), support frames (36) are attached to the inner surfaces of both end plates (12), and a pair of roller supports is provided between both side plates (Ha) of each support frame (36). The shaft (37) is installed and supported so as to extend parallel to the front and rear directions.The front and rear ends of each support shaft (37) are supported by a plurality of bearing members (3
8) on both side plates (38a) of the support frame (3B), and these bearing members (3B) are arranged in an isolated and sealed state in the main steam chamber (13).

That is, in this embodiment, each bearing member (38) includes a cylindrical body (39) that is fixed through the side plate (38a), and an outer side of the cylindrical body (38), as shown in FIG. A pair of seals (42), (43) and a spacer (40) were attached to the inner end of the outer lid body (41) and the cylindrical body (39), which were attached to the outer lid body (41) through a seal (40). The inner lid body (45) is configured in a sealed manner.

Then, the inner periphery of the cylindrical body (39) and the roller support shaft (3
7) There are two needle bearings (4B) between the outer periphery of both ends.
A thrust bearing (47) is interposed between the inner surface of the outer lid (41) and both end surfaces of the support shaft (37).
) is interposed with.

Each roller support shaft (37) has a plurality of shafts (5 in the embodiment).
The guide rollers (49) are fitted at the cylindrical metal (50) at the center thereof, and are arranged in a stacked state with a spacer (5I) interposed therebetween. Further, a predetermined clearance (about 0.3 layer 1 in the embodiment) is provided over the entire circumference between the inner circumference of the cylindrical metal (50) and the outer circumference of the roller support shaft (37) in each guide roller (49). 52)
are provided, each guide roller (49) can rotate relative to the support shaft (37), and the support shaft (37)
7) can move in the left and right directions perpendicular to the axis.

That is, the rope (7) introduced into the main steam chamber (13) from the introduction port (14) is connected to the pair of left and right roller support shafts (3).
7), it is sequentially reciprocated by the plurality of guide rollers (49) and led out from the outlet (15).

Then, as shown in FIGS. 1 and 4, the outer body (11)
In this embodiment, there are six inspection holes (53) according to the present invention on the outer peripheral surface of the roller support shafts (37), namely, at both front and rear ends of the roller support shafts (37) and at the guide rollers (48) on the support shafts (37). An outer body (11) and an enclosure body (21) correspond to the upper part, respectively.
), and a lid body (50) is removably attached to the outer end of each inspection port (53) via a seal body (55).

If this lid body (50) is removed and the inspection port (53) is opened, the flow condition of the rope can be constantly checked through the inspection port (53), and if a problem occurs, the flow condition of the rope can be checked on the guide roller (48). The rope (7) can be untangled, and the roller support shaft (37) and bearing member (38) can be untangled.
Also, the guide roller (48) can be inspected and replaced.

In addition, during normal operation, the lid is attached to the outside of this inspection port via the seal as described above, so this seal prevents steam leakage from the heat treatment equipment and prevents the necessary leakage. Temperature and pressure can be maintained at all times.

However, it goes without saying that the inspection port according to the present invention is not limited to the net making machine and the heat treatment device in these embodiments.

That is, in addition to the embodiments described above, the present invention can be embodied by arbitrarily changing the number of inspection days, locations, etc. without departing from the spirit of the invention.

(Effects of the Invention) As detailed above, in this invention, an inspection hole is provided in the outer shell of the rope heat treatment device, so that the flow state of the rope transferred on the outer peripheral surface of each guide roller can be checked. You can inspect the rollers through the inspection port and constantly check for dust and lint on the rollers.

If the rope gets tangled or breaks inside, you can simply remove the lid attached to this inspection port and open the inspection port, without dismantling the heat treatment equipment body like in the past. It has the remarkable effect of being extremely easy to release and remove.

Furthermore, not only when a problem occurs, but also inspection and replacement of the roller support shaft, bearing members, and guide rollers can be easily performed from this inspection port without dismantling the heat treatment equipment main body. .

[Brief explanation of drawings]

Fig. 1 is a partial cross-sectional view showing a rope heat treatment device embodying the present invention, Fig. 2 is a plan view showing the entire net making machine equipped with the heat treatment device, and Fig. 3 is a net making machine as well. Fig. 4 is a longitudinal sectional view of the heat treatment equipment shown in Fig. 1, and Fig. 5 is a front view of the machine.
The figure is a partial cross-sectional view showing an enlarged view of the configuration of the roller support shaft and the support shaft of the guide roller. Code explanation 5...Strand, ? ···rope. 8... Heat treatment device, 13... Main steam chamber, 14...
-Inlet, 15...outlet. 37...Roller support shaft, 38...Bearing member. 46... Needle, 47... Thrust bearing, 49...
...Guide roller, 53...Inspection port, 54...Lid body, 55...Seal body.

Claims (1)

[Claims] A rope heat treatment device in which a plurality of pairs of guide rollers are arranged in a steam chamber, the rope is made to reciprocate a plurality of times between the guide rollers, and is heated by being exposed to steam in the steam chamber. An inspection port is provided for monitoring and repairing the inside of the heat treatment apparatus by penetrating the outer shell corresponding to at least two roller support shafts, and a lid body is removed from the outside of the inspection port via a sealing body. A rope heat treatment device, characterized in that the rope is attached in a manner that allows the rope to be heated.