KR100395230B1 - Methods of Making Bundle Tubes And Appartus for Use in Such Method - Google Patents

Abstract

SUMMARY OF THE INVENTION An object of the present invention is to provide a method and apparatus for manufacturing a multi-core tube which improves workability and productivity by automating the entire process.

The present invention is the size of the steel sheet (Slitless Steel) cut into a predetermined width released from the first winding process (Stainless Steel) from the process of forming a tube having a predetermined diameter by the tube sizing (seal), flaw (探傷) ) Consistent line-up of processes such as oil cleaning, heat treatment, second inspection (pressure test), color coating, stranded wire, endothelial, outer skin, cooling, marking, cutting, winding, and packaging An automated arrangement not only improves workability due to reduced worker movement, but also increases productivity by enabling mass production at safety.

Description

Method of making multicore tubes and apparatus therefor {Methods of Making Bundle Tubes And Appartus for Use in Such Method}

The present invention relates to a method for manufacturing a multi-core tube and a device thereof, and in particular, to improve the workability and productivity, the multi-core tube employing a consistent automatic sequence line as well as improving the equipment used at each step. It relates to the manufacturing method and apparatus of (多心 管).

In general, a cable structure that condenses pipes used for supplying oil and pneumatics in an industrial facility or a ship such as a ship or condenses several pipes into one for convenience of management, that is, a multi-core pipe or a multi-pipe The use of pipes, multi pipes, multicore tubes or bundle tubes) is well known (hereinafter referred to as "multi-core tubes"), and examples of such multi-core tubes are disclosed in Korean Patent Publication No. 1993-5689. Pipe and its manufacturing method ".

However, in the manufacturing process of the multi-tube disclosed in the prior art, since most of the processes are dependent on manual operation, there is a disadvantage that results in deterioration of workability and consequently, product quality and productivity. In particular, some manual processes result in a high rate of defects of the product, which makes the economy less economical.

Accordingly, an object of the present invention is to solve the above-mentioned shortcomings, and to make all the processes automated, that is, the automatic automatic sequence line, to obtain high productivity according to the improvement of workability, and furthermore, to reduce the defective rate, thereby improving product quality. The present invention provides a method for manufacturing a multicore tube and a device thereof.

In order to achieve the above object, the apparatus for manufacturing a multicore tube of the present invention includes a first winder wound around a steel plate slitted to a predetermined width according to the invention of claim 1, wherein the first winder After passing through the rollers of the tube, the steel sheet released from the tube to form a tube, and then heat-treated through a heat treatment machine, the heat-treated tube is a color coating on the surface of each tube by a color coater, a plurality of color coated After covering the fillers with the inner shell, the outer shell is covered with one shell as the outer shell. Then, after passing through the cooler, the surface of the outer shell is formed with a marking unit as a marking unit to form a multi-pipe. In the manufacturing apparatus of the, the tube is mounted to form an eddy current (Eddy Current) passage in the discharge path of the tube, the tube when the tube passes through the vortex passage Pipe inspection means for inducing a vortex change according to whether the sieve cracks, and generating an operation signal of an applicator to fill the cracks of the pipe; It is provided with a drawing hole of a diameter smaller than the diameter of the pipe passing through the pipe inspection means to uniformly size the diameter of the pipe passing through the drawing hole to an appropriate diameter, the pipe for smooth penetration of the pipe through the drawing hole Sizing means consisting of a die detachably supported by a support frame body having a lubricating oil chamber formed in the diesel passage; A winding part which is disposed on the same line as the sizing means and withdraws the tubular body that has passed through the sizing means, and is axially supported to rotate in an oblique state on an expectation to wind the tubular body, in a position adjacent to the winding portion; A second winder provided with a guide roller installed to guide the tube drawn out from the winding part; A base having a moving wheel which is movably supported on the same line as the second winder and which is drawn out of the second winder, and supplies the cleaned and supplied to the heat processor; Washing unit consisting of a washing oil discharge port having a washing oil supply pump for cleaning the oil adhered to the surface of the tube during the drawing process and a washing brush and a dryer, disposed in the lower part of the washing unit in the base and washed from the tube An oil cleaning means comprising a filter net for filtering out the foreign substances and a waste bin for collecting the foreign substances filtered by the filter net and a waste oil collecting unit having a discharge valve; A rectangular box having two or more compartments arranged on the same line as the oil washing means and accommodating a crack detection coolant for detecting cracks in pipes passing through the oil washing means and the heat treatment unit; It is installed in contact with the air compressor and the air compressor which is installed on the outside of the enclosure to supply air for generating water droplets for checking whether cracks in the pipes stored in the compartments to separate any one end of the pipe A second tube flaw detection means comprising an air supply portion formed of an air supply pipe; Rotated on a gas supported on the floor, which is disposed at an end of the collar coater disposed adjacent to the second tube flaw detection means and is wound from the second flaw detector to the collar coater to wind up a collar-coated tube. An installed winding drum holder support shaft, a pressurized cylinder installed to be connected to the drum holder support shaft in the base to move the drum holder relative to the base, and mounted on a lower portion of the base on which the press cylinder is mounted to support the drum holder. A third winder comprising a geared motor for transmitting a driving force to the shaft and a driving device made of transmission means; A die frame which is disposed on the same line as the collar coater and is twisted with each other by applying a torsional force to the collar coated tubes moved from the third winder, the die frame supported on the bottom, and a main shaft rotatably installed on the die frame (Main Shaft), the driving wheel is mounted at a predetermined interval on the main shaft and integrally rotated, a plurality of tubular winding for interconnecting in a state orthogonal to the driving wheels between the driving wheels to be rotated together with the driving wheels Bobbin, a guide holder having a guide hole which is installed at the end of the main shaft and guides the collar-covered pipes drawn out from the pipe winding bobbins twisted with each other, the pipes through the guide holder to twist each other A driving motor and a motor crank for imparting a driving force for driving the main shaft for imparting rotational force. Twisting machine consisting of two drive device; And a plurality of cores wound through the rail and installed in a direction perpendicular to the twisting machine in a direction perpendicular to the twisting machine via the endothelial, the sheller cooler and the marking machine as a predetermined unit length, and then transferred to the packaging machine. The holder is arranged upright on the rail, the holder shaft is installed to be movable up and down along the gas to support the multi-winding winding drum to be rotated, respectively installed at positions spaced apart from the gas to drive the holder shaft It characterized in that it comprises a fourth winder made of a third driving device for imparting a driving force for.

In another aspect, the present invention, the first tube flaw detection means of claim 2 is provided with a coil for forming a vortex passage through the tube, the flaw detector mounted on the tube, the flaw detector and the applicator electrically connected to detect the flaw detector And a controller for controlling the applicator to spray paint on the crack of the pipe according to the crack detection signal of the pipe.

The present invention is also characterized in that the applicator of claim 3 comprises a paint discharging nozzle integrated with a paint discharging pump driven by the controller, and a paint storage tank connected to the paint discharging nozzle side. do.

The present invention is also characterized in that the collection box of claim 4 is detachably installed from the base.

In another aspect, the present invention, the driving wheel of claim 5 is provided with guide holes for guiding the collar-coated tubular body drawn out from the winding bobbins, the guide holes and the inside of the guide holder is formed of a flexible material A ring-shaped guide member is further installed.

According to another aspect of the present invention, the gas of the fourth winder of claim 6 includes uprights spaced apart from each other, and a horizontal body connecting upper ends of the uprights, wherein any one of the uprights is with respect to the horizontal body. It is characterized by being connected to the movable.

In another aspect, the present invention is characterized in that the filler of claim 7 is a mixture of EPM, stabilizer to any one selected from EPDM and EP rubber.

In addition, the manufacturing method of the multi-core tube of the present invention for achieving the above object by sequentially passing through the rollers of the steel tube (Stainless Steel) cut into a predetermined width released from the first winder of claim 8 After forming the tube, heat treatment is carried out through a heat treatment machine, and the heat treated tube is subjected to color coating on the surface of each tube by a color coater. In the method of manufacturing a multi-core tube which is covered with an outer sheath, and then passes through a cooler to form a multi-tube while forming a marking portion on the surface of the outer sheath as a marking machine, detecting whether the tube formed from the tube is cracked. A first tube flaw detection process for generating an operation signal of an applicator for bridging cracks; A sizing process for uniformly sizing the diameters of the tubes passing through the first tube flaw detection process to maintain an appropriate diameter; A second winding step of winding the tubular body that has passed through the sizing step to be withdrawn to an oil washing step; An oil washing step of cleaning the oil on the outer surface of the sized tube drawn out by the second winding step; A second tube flaw detection process for detecting cracks in the tube by induction of pressure and water droplets while injecting pressurized air into the cooling water after the heat treatment of the cleaned tubes moved from the oil washing process; A third winding step of winding the collar-coated body moved from the second tube body flaw detection step with a driving force of a driving device; In order to twist each other while applying rotational power to the driving wheels rotated like a main shaft to the tubes drawn through the guide holder in the winding drum of the collar coated tubes wound through the third winding process. Twisting process; And a multi-core tube which is disposed to be movable along the rail with respect to the twisting process and is formed by passing twisted tubes continuously transferred from the twisting process through an inner and outer skin process as a predetermined unit length to a packaging process. And a fourth winding process for transferring.

According to the present invention having the above-described configuration, mass production is possible in an easy manner as well as improvement of workability due to reduced movement of workers by automated batching of all processes in one line. It is possible to have the effect of improving the productivity.

1 is a block diagram schematically showing all the processes of the present invention,

2 is a perspective view showing a wound state of the slitting steel sheet used in the present invention,

Figure 3 is a view showing an example of a cross-section of the tube used in the present invention,

4A is a block diagram schematically showing a flaw detector used in the present invention,

4B is a view showing in detail the equipment of the control unit in the flaw detector,

Figure 5 is a schematic view from above of a die for sizing (sizing) of the tube used in the present invention,

6 is a view schematically showing a tube washer used in the present invention,

7 is a view showing a second winding machine used in the washing machine of FIG.

8A and 8B are a plan view and a side view of a heat processor used in the present invention,

9 is a perspective view schematically showing a crack and pressure test apparatus used in the present invention,

10A and 10B are plan views and side views of the collar coating apparatus used in the present invention,

11A to 11C are a plan view, a front view and a side view of a winder used in the color coating apparatus,

12A and 12B are a plan view and a side view showing a disposition state of a twisted pair, an inner and outer coating machine, a marking indicator, a cutting machine, and a winding machine;

13A and 13B are side views and front views thereof, in which only the twisted pair machine is separated and displayed in FIG. 12.

14A and 14B are front and enlarged side views showing only the winding machine in FIG. 12 in an enlarged manner.

* Description of the symbols for the main parts of the drawings *

22: Tube 24: Tuber

300: first pipe flaw detector 320: flaw detector

400: sizing machine 420: die for sizing

500: second winder 600: oil washer

700: heat treatment unit 800: second tube flaw detector

900: color coating device 920: third winder

1100: twisting machine 1200: inner end

1300: jacketing machine 1500: marking machine

1600: cutter 1700: 4th winder

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram schematically showing all the processes of the present invention.

Hereinafter, with reference to Figure 1 to help understand the manufacturing apparatus of the multi-core tube according to the present invention will be described step by step by each process.

<Slitting process; 10>

2 is a perspective view showing a wound state of the slitting steel sheet used in the present invention. The slitting process is a step of preparing a material 12 for making a tube having a predetermined diameter used in the manufacture of a multi-core tube, as shown in FIG. 2, and is generally a process of slitting a predetermined width from a stainless steel sheet. The cut material is generally wound and supplied on a roll around the drum 14, as shown in FIG. 2, for the convenience of movement or operation.

<Forming; 20>

Figure 3 is a view showing an example of a cross section of the tube used in the present invention.

As shown in FIG. 3, the pipe forming process allows the cut material 12 to pass continuously between the forming rollers 26a and 26b provided in the pipe canister 24. (22), the tuber 24 is a general technique, so in this drawing, only the end portion of the tube 22 is finally formed in the tuber 24 as an example.

Defectomat EP; 30

4A is a block diagram schematically showing a flaw detector used in the present invention.

The vortex flaw detector 300 is provided with the vortex flaw detector 320 which is attached to the discharge path of the pipe 22 finally made by the pipe | tube tube 24, and forms the vortex passage 322, The vortex flaw detector 320 ), A vortex generating coil 324 is incorporated. Therefore, when the pipe 22 discharged from the tube tube 24 has a crack in the portion of the pipe 22 when passing through the vortex passage 322, the vortex induced in the vortex passage 322 is a tube 22. ), And a signal is inputted to the controller 310 (see FIG. 4B), which will be described later, and the controller 310 drives the applicator 340 connected to the controller 310. The paint is applied to the cracked portion of the pipe 22 to fill the crack. The applicator 340 has a paint discharging pump 342 driven by the controller 310 and a paint discharging nozzle 344 integrated with the pump 342. A paint storage tank 346 installed to be in contact with the nozzle 344 through the paint discharge pump 342 is connected.

4B is a view showing in detail the equipment of the controller in the flaw detector.

The controller 310 includes a control box 312 directly connected to the flaw detector 320 and the applicator 340 by a connector, and the computer 318 is connected to the control box 312. have. The control box 312 is connected to the monitor 314 and the oscilloscopes 315a and 315b for viewing the vortex changes of the flaw detector 320. That is, when there is no abnormality in the pipe 22 passing through the vortex flaw detector 320, the vortex wavelength of the flaw detector 320 always shows a waveform having a constant height, but if there is damage such as cracks in the pipe 22. The waveform, which was constant at all times, has an unbalanced waveform as shown in the monitor 314 or the oscilloscopes 315a and 315b due to the variation of the vortex. At this time, the manager can see that there is a crack in the pipe 22 through the monitor 314. The computer 318 may analyze and display or store the crack generation trend of the pipe 22, and the data may be output through the printer 316.

<Sizing process; 40>

FIG. 5 is a schematic view from above of a die for sizing of a tube used in the present invention. FIG.

The pipes 22 passing through the vortex flaw detector 300 maintain a constant diameter of the pipe while passing through the sizing machine 400. That is, the sizing machine 400 is provided with a drawing hole 422 having a diameter smaller than the diameter of the pipe 22 body passing through the vortex flaw detector 300, and passing through the drawing hole 422. The die 420 is uniformly sized to a proper diameter. The die 420 is detachably attached to the support frame 410 in which the lubricating oil chamber 412 is formed in the passage of the pipe 22 so that the pipe 22 can smoothly proceed through the drawing hole 422. The die 420 is detachably attached to the die 420 by the groove 414 formed on the inner wall of the support frame 410. In addition, since the lubricating oil is always contained in the lubricating oil chamber 412, oil is deposited on the surface of the pipe 22 passing through the lubricating oil chamber 412. Reference numeral 430 denotes a guide roller for guiding the pipe 22 continuously formed and discharged from the tuber 24 toward the dice 420.

Oil Cleaning Process (60)

FIG. 6 is a view schematically showing a tubular washing machine used in the present invention, and FIG. 7 is a view showing a second winder used in the washing machine from the back.

The tube 22 passing through the sizing machine 400 is disposed on the same line as the sizing machine 400 through the second winder (winder) 500 of the winding process 50. Supplied by. The second winder 500 retractably winds the continuous pipe 22 passed through the sizing machine 400, and is disposed on the same line as the cleaner 600. That is, the second winder 500 is provided with a drum-shaped winding portion 520 that is axially supported to rotate in an oblique state on the base 510. The tube 22 is wound around the winding unit 520 so that the tube 22 can be pulled out, and when the tube 22 is pulled, the winding unit 520 is rotated and rotated around the base 510 as a support point. 22) can be withdrawn from the winding 520. Reference numeral 530 denotes a guide roller for guiding the pipe 22. The pipe 22 released from the second winder 500 is transferred to the washer 600 which is movably supported on the same line as the second winder 500, and thus, the pipe 22 of the pipe 22 in the sizing process. Clean the oil on the surface thoroughly. The reason for the oil washing is to remove the defective rate caused by the oil attached to the surface of the tube 22 in the heat treatment process described later.

The washer 600 has a base 610 having a moving wheel 612 on which a sized pipe 22 withdrawn from the second winder 500 is located. In the upper portion of the tube 610 passing through the base 610 is provided with a washing unit 650 for cleaning the oil on the surface of the tube 22 during the sizing process. The washing unit 650 includes a washing oil discharge port 620, a washing brush 630, and a dryer 640. The washing oil discharge port 620 is installed to be in contact with the washing oil pump 622 installed inside the base 610. Therefore, the pipe 22 passing through the washing unit 650 of the base 610 is first showered by the washing oil discharged through the washing oil discharge port 620 during operation of the pump 622 while removing oil from the sizing process. By the frictional force of the washing brush 630 is rotated by the rotating oil as well as lubricating oil attached to the surface of the pipe 22, as well as the foreign matter is to be removed more clean. The washed tube 22 is then dried by the wind supplied from the dryer 640. The foreign matter or waste oil generated during the washing of the washing unit 650 falls to the lower portion of the base 610 by the filtering network 660 disposed to be inclined downward on the lower portion of the washing unit 650. After being filtered, it is accommodated in the foreign matter collection box 670 installed at the lower part of the filtering net 660, and the waste oil is passed through the filtering net 660 as it is stored in the lower part of the base 610, and then discharge valve 664. It can be discharged through. Since the collection box 670 can be detachably detached from the base 610, foreign matters contained in the collection box 670 can be easily disposed.

<Annealing; 70>

8A and 8B are top and side views of a heat processor used in the present invention. The pipe 22 passing through the washer 600 is transferred to the side of the heat treatment machine 700 disposed adjacent to the same line as the washer 600. The tube 22 continuously passing through the heat processor 700 is heat treated at a temperature of approximately 1100 ° C. by the heat treatment machine 700. The main reason for the heat treatment of the tube 22 is to give flexibility. Since the heat treatment unit 700 is a general technology, a detailed description thereof will be omitted.

<Second Tube Crack Detection and Hydrostatic Testing Process 80>

9 is a schematic perspective view of a hydraulic and crack test apparatus used in the present invention.

The flaw detector 800 of the secondary pipe finally detects whether the pipes 22 via the oil washer 600 and the heat treatment machine 700 that are disposed on the same line as the oil washer 600 are cracked. In addition to pressure testing. That is, the flaw detector 800 of the secondary tube includes a rectangular tank 810 in which two or more compartments 812a and 812b are formed to accommodate the crack detection coolant 860. Equipped. The enclosure 810 is preferably formed of a steel plate such as stainless steel, which has high strength and corrosion resistance to withstand the hydraulic pressure of the cooling water 860, and the amount of the cooling water 860 is completely formed in the pipe 22 wound in a roll shape. It is preferable if it can be stored. The size of the compartments 812a and 812b or the amount of water can be arbitrarily modified as necessary.

An outside of the enclosure 810 is provided with an air compressor 820 for supplying compressed air for testing cracks or pressure in the pipe 22 stored in the compartments 812a and 812b. An air supply nozzle 830 having an air supply pipe 840 and an opening / closing valve 842 is connected to the compressor 820 so as to be positioned in the compartments 812a and 812b. The compartments 812a and 812b of the enclosure 810 are preferably accommodated in a state in which the tube 22 is wound in a roll shape. The reason for this is to store and test a longer tube 22 in limited compartments 812a and 812b. One end of the pipe 22 stored in the compartments 812a and 812b is connected to the air supply nozzle 830, while the other end is preferably closed, so as to prevent leakage of air. . After connecting the test tube 22 to the air supply nozzle 830 and operating the air compressor 820 and opening the valve 842, the compressed air generated by the air compressor 820 is the air. It enters into the inside of the said pipe 22 through the supply pipe 840 and the opening / closing valve 842. The air pressure applied to the inside of the tube 22 is preferably maintained at about 200kg / ㎠, it is to test whether to withstand the pressure while performing about two to three minutes in a single test. If there is an abnormality, that is, cracks in the tube 22, water droplets due to air pressure rise to detect the crack of the tube 22.

<Hydrostatic Testing; 90>

10A and 10B are plan views and side views of the collar coating apparatus used in the present invention.

A collar coating device 900 is disposed at a position adjacent to the flaw detector 800 of the second pipe to cover the surface of each pipe 22 transferred from the flaw detector 800 of the second pipe. . When the configuration of the color coating apparatus 900 is roughly divided, the third winders 910 and 920 are disposed before and after, and the calibrator 940 and the high frequency heater 950 are sequentially arranged between the third winders 910 and 920. ), A color coating machine 930 and a take-up machine 960 are arranged. One of the third winders 910, 920, that is, the third winder 910 disposed on the right side of the drawing, carries a tube 911 transferred from the flaw detector 800 of the second pipe. While the drum is coupled to the drum coupled to the support shaft 912 of the supporter in a roll form, the third winder 920 on the left side has the collar by forcibly rotating the support shaft 922 by a driving motor described later. The coated tube 22 is wound around the winding drum 924 held on the support shaft 922. The detailed configuration of the third winder 920 will be described in detail with reference to FIGS. 11A to 11C described later. The tube 22 drawn out from the winding drum 914 held in the winder 910 by the rotation of the winder 920 passes through the calibrator 940 and the high frequency heater 950 and then the color coater ( The color paint extruded through the extruder 934 from the hopper 932 of the color coater 930 at the moment of introduction to the side 930 is coated around the tube 22 while the tube 22 that has been heated at a high frequency in the meantime. The coil 22, which is integrally coated on the surface of the crankcase, is cooled through the water tank 936 and then pulled through the drawer 960 while being wound on the third winder 920. The collar covering process is completed while winding around 924. Since the configuration of the calibrator 940, the high frequency heater 950, the color coater 930 and the drawer 960 in the above embodiment is a general technology, a detailed description thereof will be omitted.

11A to 11C show top, front and side views, respectively, of the third winder used in the color coating apparatus.

The third winder 920 serves to wind the pipe 22 which is moved from the collar coater 930 and is color-coated, and is supported by the base 921 and the base 921 supported on the bottom. Support shafts 922a and 922b of the winding drum 924 installed in the second gas 925 rotated to the rotation, and support shafts 922a and 922b of the drum 924 in the body 921. Is installed to be connected to the installed second gas 925 to rotate the second gas 925 up and down with respect to the base 921 together with the support shafts 922a and 922b of the drum 924. Geared motor for transmitting a driving force to the support shafts (922a, 922b) mounted on the lower portion of the body 921, the first cylinders (926a, 926b), the first cylinders (926a, 926b) is mounted 927, the transmission means for transmitting power to the support shafts 922a, 922b in association with the geared motor 927, that is, composed of a transmission shaft 928 and a belt 929 have.

After inserting the winding drum 924 to the support shafts 922a and 922b in this configuration, and holding one end of the pipe 22 via the collar coating device 900 on the outer circumference of the drum 924. When the motor 927 is driven, the driving shafts of the motor 927 support shafts 922a and 922b to which the drum 924 is coupled as it is through the transmission shaft 928 and the transmission belt 928. By rotating), a collar-coated tube 22 is wound around the drum 924 which is rotated together with the support shafts 922a and 922b. On the other hand, the second gas 925 is installed to rotate relative to the body 921, so that when the expansion operation of the first cylinder (926a, 926b) is performed, the second gas 925 is the first gas (921) ) As a support point. The reason for causing the second gas 925 to be rotated up and down with respect to the first gas 921 by the expansion and contraction operation of the first cylinders 926a and 926b is relative to the support shafts 922a and 922b. In order to facilitate the attachment and detachment of the 924, when the first cylinders 926a and 926b are contracted, the second gas 925 having the support shafts 922a and 922b faces the bottom. This facilitates the detachment of the drum 924. On the contrary, when driving, the first cylinder 921 may be extended.

The second cylinder 923 installed in the second gas 925 is used in a desorption operation such as fitting or detaching the winding drum 924 with respect to the support shafts 922a and 922b. In 11A, the second cylinder 923 is in a fully retracted state when the drum 924 is held on the support shafts 922a and 922b, and the drum 924 is connected to the support shafts 922a and 922b. When the second cylinder 923 is elongated while being positioned therebetween, the support shafts 922a and 922b connected to the second cylinder 923 are moved to the opposite side to firmly support the drum 924.

<100; Twisting (110) ~ Winding process (Winding; 170)>

After the color-coated tube 22 as described above is indicated by reference numeral 100 of FIG. 1, that is, a plurality of color-coated tubes 22 are collected and stranded together 110, and then the inner and outer coatings 120 and 130 are cooled. Each process 140, marking 150, cutting 160, and winding 170 are arranged in the form of a single, automatic sequence line. Therefore, hereinafter, the process indicated by the reference numeral 100 will be described with reference to Figs.

12A and 12B are plan views and side views illustrating arrangement states of a stranded wire, an inner and outer coating machine, a marking indicator, a cutting machine, and a winding machine.

<Twisted Pair Process; 110>

13A and 13B are side views and front views thereof, in which only the twisted pair machine in FIG. 12 is separated and displayed.

The drum 924 wound around the collar coated tube 22 is transferred to a twisting machine, that is, the twisting machine 1100 and mounted on winding bobbins 1120 provided in the twisting machine 1100, respectively. The twisting machine 1100 is configured as follows.

The twisting machine 1100 is disposed on the same line as the collar coating device 900 to twist the collar coated pipe 22 moved from the third winder 920 to twist each other. The die frame 1110 is supported on the bottom. Correspondingly, the main shaft 1140 is rotatably installed over the entire length of the die frame 1110, and the driving wheel 1150 is spaced apart from the main shaft 1140 at a predetermined interval. It is installed to rotate as shown. In addition, between the driving wheels 1150 is provided with a plurality of drum 924 mounting bobbins 1120 are interconnected in a state orthogonal to the driving wheels 1150 and rotated together with the driving wheels 1150. It is. The bobbin 1120 is rotatably mounted with a drum 924 wound around the tube 22 by the third winder 920. The drum 924 is moved by a crane or a hoist. do. Since the drum 924 is moved by a crane or a hoist and mounted on each bobbin 1120, a general description thereof will be omitted. A plurality of collar-coated tubes 22 drawn out from the drums 924 of the bobbins 1120 are described below through a guide holder 1170 installed on the left side of the die frame 1110 as shown in FIG. It is transferred to (1300) side. The guide holder 1170 is formed with a guide hole 1172 for guiding a plurality of color-coated pipes 22, the guide hole 1172 is a flexible material for reducing friction with the pipes 22 Guide member (not shown) is provided. In addition, the driving wheel 1150 is formed with a guide hole 1152 for guiding the collar-coated pipes 22 drawn out from the bobbins 1120 toward the guide holder 1170, wherein the guide hole 1152 is formed. The ring-shaped guide member 1154 formed in a flexible material, such as the guide holder 1170, is also installed inside the field. In this case, the main shaft 1140 is driven by a driving force transmitted from a driving device 1160 composed of a driving motor 1162 and an electric crank 1164 disposed at the right end of the die frame 1110, as shown in FIG. 12. do.

In this configuration, when the driving force generated from the driving device 1160 including the driving motor 1162 and the electric crank 1164 rotates the main shaft 1140, the driving wheel 1150 and the bobbin 1120. They are integrally rotated in the direction of the arrow as indicated in FIG. 13B. Accordingly, the guide hole 1172 of the guide holder 1170 is passed through the guide hole 1152 of the driving wheel 1150 while being released by the dispenser 1300 from the drum 924 mounted on the bobbins 1120 to be rotated. The plurality of pipes 22 passing through) are twisted with each other to pass through the guide holder 1170. The number of strands to twist the pipes 22 in the above can be freely modified depending on the number of the winding drum 924 mounted to the bobbin 1120. For example, if only two of the winding drum 924 is mounted on the bobbin 1120, it can be twisted into two strands, and if three are mounted, three strands and four can be formed into four strands.

<Tubes Sheathing> 120>

The tube twisted by the twisting machine 1100 is pulled by the general drawer 1300 and transferred to the endothelial machine 1200 disposed on the same line as the twisting machine 1100. The stranded pipe that is to pass through) is integrally wrapped by the filler supplied from the hopper 1210 of the endothelial machine (1200). The filler is obtained by mixing an appropriate amount of stabilizer in any one selected from EPM (Ethylene Propylene Methylene), EPDM (Ethylene Propylene Diene Methylene) and EP (Ethylene Propylene) rubber. Since the technique of coating the rubber filler on the pipe in which two or three or more pipes are stranded by the endothelial device 1200 is a general technology in the art, a detailed description thereof will be omitted.

Bundle Tubes Sheathing; 130

The tube primarily coated by the endothelial vessel 1200 passes through the outer shell apparatus 1300 disposed on the same line as the endothelial vessel 1200. As the outer surface of the primary coated tube passing through the sheller 1300 is coated with a flame-retardant PVC, which is the final shell supplied from the hopper 1310 of the sheller 1300, a final multicore tube is obtained. Flame retardant PVC is coated by the sheller 1300 is also a general technique in the art, so a detailed description thereof will be omitted.

<Colding process (Cold); 140, Marking process (150), Cutting process (160); 160>

The multi-core tube of the final product passing through the sheller 1300 is cooled through the cooler 1400 sequentially disposed on the same line as the sheller 1300, and then passes through the marking machine 1500. On the surface of the tube shell, a desired display part such as a company logo or a numerical value is displayed, and then, the second drawing machine 1800 is transferred to the cutting machine 1600 side, and the multi-core tube passing through the cutting machine 1600 is a predetermined length. Is cut. The cut multi-core pipe is transferred to the fourth winder 1700, which will be described later, is wound up by a predetermined length, and finally packed.

Winding Process 170

14A and 14B are front views and side views thereof in which only the fourth winder is separated and displayed in FIG. 12.

The fourth winder 1700 is a function of winding the winding drum by a predetermined length in order to supply finally produced multi-core tubes to consumers. That is, the fourth winder 1700 is disposed to be movable along the rail 1780 installed in the direction orthogonal to the twisting machine 1100 on the same line, so that the endothelial machine (1) from the twisting machine 1100 may be formed. The multi-core tube via the 1200 and the outer shell 1300, the cooler 1400 and the marking machine 1500 are wound as a predetermined unit length and transported to a packaging machine (not shown) as follows.

The fourth winder 1700 includes a substantially gate-shaped gas 1710 disposed to be movable along the rail 1780, and the gas 1710 is spaced at a predetermined distance. The uprights 1711a and 1711b which are oppositely positioned, and a horizontal body 1711c which interconnects the uprights 1711a and 1711b, wherein the one upright 1711a is the horizontal body 1711c. It is possible to adjust the gap with the upright body 1711b while moving in the direction of the arrow b with respect to). The distance adjustment of the uprights 1711a and 1711b facilitates detachment of the winding drum 1716 to the holder axes 1714a and 1714b to be described later.

The base 1710 may move freely along the rail 1780 by free rotation of the driving wheels 1712a and 1712b rotatably supported at the lower end of the base 1710. The driving wheels 1712a and 1712b are rotated by a driving force generated from the geared motor 1718 installed in the base 1710, and the driving force of the geared motor 1718 is driven through the transmission belt 1917. The motor 1710 can move on the rail 1780 because the rotation of the shaft 1714 is rotated together with the motor 1714, and thus the driving wheels 1712a and 1712b are rotated together. The drive of the geared motor 1718 can be easily adjusted by a switch, not shown, and the movement amount of the base 1710 can be adjusted.

Holder bases 1714a and 1714b for fitting the multi-pipe winding drum 1716 are rotatably supported with respect to the base 1710. The rotation of the holder shafts 1714a and 1714b is rotated by a driving force transmitted from the third driving device 1720 directly connected to the holder shaft 1714a. Therefore, the winding drum 1716 coupled to the holder shafts 1714a and 1714b is also rotated together, and a multi-core tube as a final product is wound around the winding drum 1716 that is rotated. The desorption operation of the winding drum 1716 on the holder shafts 1714a and 1714b is performed while moving the upright body 1711a on the left side of the body 1710 in the direction of arrow b with respect to the horizontal body 1711c. . That is, when the upright body 1711a on the left side is moved outward with respect to the horizontal body 1711c, the upright body 1711a can be moved to a position spaced apart from the upright body 1711b, so that the holder shaft The winding drum 1716 can be easily coupled to the fields 1714a and 1714b. On the contrary, when the upright body 1711a is moved closer to the upright body 1711b, the winding drum 1716 is moved. The holder shafts 1714a and 1714b can be firmly fitted.

The third drive device 1720 is also the same structure as the geared motor is employed, the rotational speed of the third drive device 1720 can be arbitrarily adjusted, and the third drive device 1720 The adjustment of can be carried out through the above control switch or other control, this method is a general technique.

The holder shafts 1714a and 1714b may be coupled to the driving motors 1732a and 1732b mounted on an upper end thereof in a slidably coupled state with respect to the uprights 1711a and 1711b constituting the base 1710. Due to the structure in which the screw shafts 1734a and 1734b are integrally coupled to each other, the holder shafts 1714a and 1714b are vertically moved in the direction of arrow a when the driving motors 1732a and 1732b are driven. The reason why the holder shafts 1714a and 1714b are moved by the rotation of the screw shafts 1734a and 1734b by the driving motors 1732a and 1732b is because of the winding drum (1) in the holder shafts 1714a and 1714b. 1716) to facilitate bonding. When the winding drum 1716 is coupled, the holder shafts 1714a and 1714b may move downward with respect to the uprights 1711a and 1711b constituting the base 1710. The on / off means of the geared motor 1718, the third driving device 1720 and the driving motors 1732a, 1732b is preferably installed in one control panel by the user to easily operate. In addition, in the above embodiment has been described step by step for better understanding, in practice it is operated continuously as long as the material for manufacturing the multi-core tube is supplied, and the processes can be operated individually, but for the efficiency of work It is preferable to configure the control panel to be controlled automatically.

As described above, according to the present invention, by improving the equipment of the equipment used in each process and adopting a consistent automatic sequence line, it is of course possible to improve workability due to the reduction of moving lines of workers. As a result, it is possible to mass-produce and improve productivity.

Claims (8)

A first winder is wound around a steel plate slitted to a predetermined width, and the steel sheet released from the first winder is sequentially passed through the rollers of the tube making machine to form a tube, and then a heat treatment machine The heat-treated tube is subjected to color coating on the surface of each tube by a color coater, and a plurality of color coated tubes are coated with a filler to cover the filler with one shell as an outer shell. In the manufacturing apparatus of the multi-core tube, and then to form a multi-tube while forming a display portion as a marking machine on the surface of the outer skin after passing through the cooler, The tube is mounted to form an eddy current path in the discharge path of the tube in the tube, the tube induces a vortex change according to whether the tube cracks when passing through the vortex passage, the applicator to fill the crack of the tube Tube flaw detection means for generating an operation signal; It is provided with a drawing hole of a diameter smaller than the diameter of the pipe passing through the pipe inspection means to uniformly size the diameter of the pipe passing through the drawing hole to an appropriate diameter, the pipe for smooth penetration of the pipe through the drawing hole Sizing means consisting of a die detachably supported by a support frame body having a lubricating oil chamber formed in the diesel passage; A winding part which is disposed on the same line as the sizing means and withdraws the tubular body that has passed through the sizing means, and is axially supported to rotate in an oblique state on an expectation to wind the tubular body, in a position adjacent to the winding portion; A second winder provided with a guide roller installed to guide the tube drawn out from the winding part; A base having a moving wheel which is movably supported on the same line as the second winder and which is drawn out of the second winder, and supplies the cleaned and supplied to the heat processor; Washing unit consisting of a washing oil discharge port having a washing oil supply pump for cleaning the oil adhered to the surface of the tube during the drawing process and a washing brush and a dryer, disposed in the lower part of the washing unit in the base and washed from the tube An oil cleaning means comprising a filter net for filtering out foreign substances and a waste bin for collecting the foreign substances filtered by the filter net and a waste oil collecting unit having a discharge valve; A rectangular box having two or more compartments arranged on the same line as the oil washing means and accommodating a crack detection coolant for detecting cracks in pipes passing through the oil washing means and the heat treatment unit; It is installed in contact with the air compressor and the air compressor which is installed on the outside of the enclosure to supply air for generating water droplets for checking whether cracks in the pipes stored in the compartments to separate any one end of the pipe A second tube flaw detection means comprising an air supply portion formed of an air supply pipe; A gas supported on the floor, which is disposed at an end of the collar coater disposed adjacent to the second tube flaw detection means and is wound from the second flaw detector to the collar coater side to wind up a collar-coated tube, the top and bottom of the body being A support shaft of a winding drum rotatably installed on a second gas installed to be rotated in a rotational manner, and the support shaft of the drum is connected to the second gas in which the support shaft of the drum is installed. A first cylinder which rotates up and down with respect to the gas, a second cylinder which is mounted on the second gas connected to the first cylinder, and which allows the support shaft to move forward and backward, and wherein the first and second cylinders are mounted. Geared motor that is mounted on the lower portion to transfer the driving force to the support shaft and the electric motor for transmitting power to the support shaft in conjunction with the geared motor Third winder consisting of a drive unit with; A die frame which is disposed on the same line as the collar coater and is twisted with each other by applying a torsional force to the collar coated tubes moved from the third winder, the die frame supported on the bottom, and a main shaft rotatably installed on the die frame (Main Shaft), the driving wheel is mounted at a predetermined interval on the main shaft and integrally rotated, a plurality of tubular winding for interconnecting in a state orthogonal to the driving wheels between the driving wheels to be rotated together with the driving wheels Bobbin, a guide holder having a guide hole which is installed at the end of the main shaft and guides the collar-covered pipes drawn out from the pipe winding bobbins twisted with each other, the pipes through the guide holder to twist each other A driving motor and a motor crank for imparting a driving force for driving the main shaft for imparting rotational force. Twisting machine consisting of two drive device; And Arranged to be movable along the rail installed in the direction orthogonal to the twisting machine on the same line, the multi-core pipe from the twisting machine via the endothelial and the outer shell cooler and the marking machine is wound as a predetermined unit length and transported to the packing machine. And a holder shaft for rotatably supporting a multi-pipe winding drum, the holder shaft being installed to be movable up and down along the gas, the gate-shaped gas being disposed on the rail to be moved up and down, respectively. And a fourth winder comprising a third driving device for imparting a driving force for driving the shaft. The flaw detector according to claim 1, wherein the first flaw detector has a coil for forming a vortex passage through which the flap passes, and the flaw detector mounted on the tube is electrically connected to the flaw detector and the applicator to detect the flaw of the tubular body. And a controller for controlling the applicator to spray the paint on the crack in the tube according to the crack detection signal. 3. The multi-core as claimed in claim 2, wherein the applicator includes a paint discharging nozzle integrated with a paint discharging pump driven by the controller, and a paint storage tank connected to the paint discharging nozzle side. Manufacturing equipment of pipe. The multi-core tube manufacturing apparatus according to claim 1, wherein the collection box is detachably installed from the gas. According to claim 1, The drive wheel is provided with guide holes for guiding the collar-coated tubular body withdrawal from the take-up bobbins, the inside of the guide hole and the guide holder ring-shaped molded of a flexible material Apparatus for manufacturing a multi-core tube characterized in that the guide member is further installed. According to claim 1, wherein the gas of the fourth winder comprises a spaced apart upright body, a horizontal body connecting the upper end of the upright body, any one of the upright body to be movable relative to the horizontal body Multi-core tube manufacturing apparatus characterized in that connected. The apparatus of claim 1, wherein the filler is a mixture of an EPM and a stabilizer selected from EPDM and EP rubber. After passing through the rollers of the tuber in order to form a tube by sequentially passing the steel plate cut into a predetermined width released from the first winder, heat treatment is performed through a heat treatment machine, and the heat treated tube is subjected to a color coater. The surface of each tube is color-coated, and a plurality of color-coated tubes are filled with a filler and then coated with a single outer shell. Then, after passing through the cooler, the surface of the shell is marked as a marking machine. In the manufacturing method of the multi-core tube to form a multi-tube while forming a, A first tube flaw detection step of detecting whether the tube formed from the tube is cracked and generating an operation signal of an applicator to fill the crack of the tube; A sizing process for uniformly sizing the diameters of the tubes passing through the first tube flaw detection process to maintain an appropriate diameter; A second winding step of winding the tubular body that has passed through the sizing step to be withdrawn to an oil washing step; An oil washing step of cleaning the oil on the outer surface of the sized tube drawn out by the second winding step; A second tube flaw detection process for detecting cracks in the tube by induction of pressure and water droplets while injecting pressurized air into the cooling water after the heat treatment of the cleaned tubes moved from the oil washing process; A third winding step of winding the collar-coated body moved from the second tube body flaw detection step with a driving force of a driving device; In order to twist each other while applying rotational power to the driving wheels rotated like a main shaft to the tubes drawn through the guide holder in the winding drum of the collar coated tubes wound through the third winding process. Twisting process; And It is arranged to be movable along the rail with respect to the twisting process, and the twisted pipes continuously transferred from the twisting process are wound by a predetermined unit length of the multi-core tube formed by the inner and outer shell processes and transported to the packaging process. Method for producing a multi-core tube characterized in that it comprises a fourth winding step.